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WO2012146030A1 - Processing method and system for access node to adjust carrier frequency - Google Patents

Processing method and system for access node to adjust carrier frequency Download PDF

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Publication number
WO2012146030A1
WO2012146030A1 PCT/CN2011/083578 CN2011083578W WO2012146030A1 WO 2012146030 A1 WO2012146030 A1 WO 2012146030A1 CN 2011083578 W CN2011083578 W CN 2011083578W WO 2012146030 A1 WO2012146030 A1 WO 2012146030A1
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WO
WIPO (PCT)
Prior art keywords
access node
terminal
carrier frequency
information
frequency adjustment
Prior art date
Application number
PCT/CN2011/083578
Other languages
French (fr)
Chinese (zh)
Inventor
鲁照华
陈琳
郁光辉
郝鹏
梁春丽
夏树强
戴博
刘锟
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2012146030A1 publication Critical patent/WO2012146030A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a processing method and system for an access node to adjust a carrier frequency. Background technique
  • the data service is mainly for Internet services, and the requirements for service quality are relatively simple, and far lower than the requirements for service quality of traditional telecommunication services.
  • the cellular mobile communication system is mainly designed for high-speed mobile, seamless telecommunication traditional telecommunication service design. When it carries large-flow and low-speed IP (Internet Protocol) packet services, the efficiency is low and the cost is too high.
  • the main purpose of the present invention is to provide a processing method and system for adjusting an carrier frequency of an access node, and solve the problem of unbalanced load and co-channel interference of the working carrier frequency by carrier frequency adjustment, thereby improving the overall service of the system. quality.
  • a method for processing an access node to adjust a carrier frequency comprising:
  • the access node sends carrier frequency adjustment information to the terminal; the terminal performs corresponding processing according to the received carrier frequency adjustment information.
  • the terminal performs corresponding processing according to the received carrier frequency adjustment information, including: when the terminal determines the processing mode by the terminal itself, if the terminal determines to perform carrier frequency adjustment, the terminal adjusts the information according to the carrier frequency.
  • the carrier frequency adjustment is performed; if the terminal decides to perform the handover, the terminal actively initiates an operation of switching to another access node.
  • the terminal performs corresponding processing according to the received carrier frequency adjustment information, including: when the access node determines the processing mode of the terminal, if the access node determines that the terminal needs to perform carrier frequency adjustment, then The terminal performs carrier frequency adjustment according to the carrier frequency adjustment information. If the access node determines that the terminal needs to perform handover, the access node actively initiates an operation of switching the terminal to another access node.
  • the carrier frequency adjustment information includes: an operating frequency selected by the access node and an adjustment effective time.
  • the access node sends the carrier frequency adjustment information to the terminal, where the access node sends the carrier frequency adjustment information to the terminal by means of broadcast or proprietary signaling.
  • the method further includes: the access node sends the neighboring area information to the terminal, and the terminal performs scanning measurement on the neighboring access node according to the neighboring area information.
  • the terminal actively initiates an operation of switching to another access node, including: According to the measurement result of the neighboring access node, the appropriate target access node is selected, and the handover to the target access node is initiated; the access node sends the context information of the terminal to the target access node when the terminal switches.
  • the access node determines the terminal that needs to perform the handover and initiates the operation of the terminal to switch to the other access node, including: the access node reports the measurement result according to the terminal. And selecting a suitable target access node for the terminal, and actively initiating handover of the terminal to the target access node; the access node sends the context information of the terminal to the target access node when the terminal switches.
  • the transmitting node sends the carrier frequency adjustment information to the terminal by means of broadcast or the dedicated signaling, including: the access node determines the terminal that needs to adjust the carrier frequency, and sends the carrier frequency adjustment information only to the Correspondingly, the terminal that needs to adjust the carrier frequency, or the access node sends the proprietary preamble information to the terminal; the terminal performs corresponding carrier frequency adjustment according to the carrier frequency adjustment information.
  • the terminal performs corresponding carrier frequency adjustment according to the carrier frequency adjustment information, including: if the terminal receives the proprietary preamble information, the terminal uses the proprietary preamble to perform non-contention random access to the previously carried carrier frequency.
  • the adjusted access node if the terminal does not receive the proprietary preamble information, the terminal performs a contention-based random access to the access node that has previously undergone carrier frequency adjustment?
  • the terminal After the terminal completes the random access, it restores the data connection with the access node that has previously performed carrier frequency adjustment.
  • a processing system for adjusting an carrier frequency of an access node comprising: an information sending unit and a processing unit; wherein
  • An information sending unit configured to send carrier frequency adjustment information to a processing unit of the terminal
  • a processing unit configured to perform corresponding processing according to the carrier frequency adjustment information sent by the information sending unit of the received access node.
  • the processing unit is further configured to: when the mode is determined by the terminal itself Next, when determining the carrier frequency adjustment, the carrier frequency adjustment is performed according to the carrier frequency adjustment information; when the handover is determined, the operation of switching to another node is actively initiated.
  • the information sending unit is further configured to: the processing mode of the decision processing unit needs to perform carrier frequency adjustment or needs to be switched. When the processing mode of the decision is that carrier frequency adjustment is required, the notification processing unit adjusts according to the carrier frequency. The information is subjected to carrier frequency adjustment; when the processing mode of the decision is that handover is required, an instruction to switch the terminal to another access node is sent to the processing unit;
  • the processing unit is further configured to receive, by the information sending unit, a notification that the carrier frequency adjustment is performed according to the carrier frequency adjustment information, and receive the local terminal that is sent by the information sending unit to switch to another access node. Instructions.
  • the information sending unit is specifically configured to write the selected operating frequency and the adjusted effective time into carrier frequency adjustment information.
  • the information sending unit is further configured to send the carrier frequency adjustment information to the processing unit by means of broadcast or proprietary signaling.
  • the processing unit is further configured to: when the initiative initiates the handover to the operation of the other access node, perform measurement on the neighboring access node, and send the measurement result of the neighboring access node to the information sending unit, and receive the information to be sent.
  • the notification sent by the unit to the target access node is switched according to the notification;
  • the information sending unit is further configured to select an appropriate target access node according to the measurement result sent by the processing unit, and notify the processing unit to switch to the target access node, and send the context information to the target access node.
  • the information sending unit is further configured to: when the processing mode of the decision is that the switching needs to be performed, the notification processing unit starts to perform measurement, and reports the measurement result, and selects an appropriate target access node according to the measurement result, and uses the context information of the terminal. Sending to the target access node, notifying the processing unit to switch to the target access node;
  • the processing unit is further configured to: when the access node determines the terminal that needs to perform handover and initiate the operation of switching the terminal to another access node, receiving the notification that the information processing unit starts to perform measurement
  • the measurement result reported to the information transmitting unit is switched to the target access node according to the notification sent by the information sending unit to the target access node.
  • the processing unit is located on the terminal, and the information sending unit is located on the access node.
  • the access node of the present invention sends carrier frequency adjustment information to the terminal; the terminal performs corresponding processing according to the received carrier frequency adjustment information.
  • the problem of unbalanced load and co-channel interference of the working carrier frequency is solved by the carrier frequency adjustment, thereby improving the overall service quality of the system.
  • 1 is a flow chart showing the principle of carrier frequency adjustment by an access node
  • FIG. 1 is a flow chart of the terminal determining the processing mode according to the received carrier frequency adjustment information
  • FIG. 3 is a flow chart of the access node determining the processing mode of the served terminal and performing corresponding processing. detailed description
  • the basic idea of the present invention is: The access node sends carrier frequency adjustment information to the terminal; the terminal performs corresponding processing according to the received carrier frequency adjustment information.
  • a processing method for an access node to adjust a carrier frequency mainly includes the following contents:
  • the access node determines that the carrier frequency needs to be adjusted according to the energy information of each carrier frequency currently managed, and the access node sends the carrier frequency adjustment information to the terminal; the terminal performs corresponding processing according to the received carrier frequency adjustment information.
  • the energy information of the currently managed carrier frequency may be that the access node measures the energy information on multiple carrier frequencies managed by the access node, or may send the control message to the terminal managed by the access node, and then access The node receiving terminal feeds back energy information on multiple carrier frequencies;
  • the energy information is a signal power value and a noise power value in each carrier frequency managed by the current access node;
  • the control message includes an identifier of a carrier frequency that needs to be measured by the terminal, or an identifier of a carrier frequency that does not require measurement by the terminal.
  • the determining needs to adjust the carrier frequency, and determining, according to the currently managed energy information of each carrier frequency, a carrier frequency having a poor quality, and a carrier carrier having a good quality; wherein the carrier carrier of the poor quality is used in the prior art.
  • the decision for example, can be determined using a signal to noise ratio.
  • the terminal performs corresponding processing according to the received carrier frequency adjustment information, and includes the following two situations:
  • Case 1 In the case of the terminal's own decision processing mode, if the terminal decides to perform carrier frequency adjustment, the terminal performs carrier frequency adjustment according to the carrier frequency adjustment information; if the terminal decides to perform handover, the terminal actively initiates handover to other access. The operation of the node.
  • Case 2 In the case that the access node decides the processing mode of the terminal, if the access node determines that the terminal needs to perform carrier frequency adjustment, the terminal performs carrier frequency adjustment according to the carrier frequency adjustment information; if the access node determines the terminal If the handover is required, the access node initiates an operation of switching the terminal to another access node.
  • the other access node refers to: a node other than the access node that currently sends the carrier frequency adjustment information to the terminal;
  • the carrier frequency adjustment information includes, but is not limited to, information such as an operating frequency and an adjustment effective time selected by the access node.
  • the access node And sending, by the access node, carrier frequency adjustment information to the terminal, where: the access node sends the carrier frequency adjustment information to the terminal by using broadcast or proprietary signaling.
  • the access node sends the carrier frequency adjustment information to the terminal by using dedicated signaling, and further includes: the access node determines the terminal that needs to adjust the carrier frequency, and sends the carrier frequency adjustment information only to the corresponding required carrier frequency.
  • the terminal optionally, the access node can send proprietary preamble information to The terminal; wherein the proprietary preamble information is a preamble sequence specifically allocated to a terminal for random access.
  • the method further includes: the access node sends the neighboring area information to the terminal, where the terminal may scan and measure the neighboring access node according to the neighboring area information; wherein, the neighboring area information refers to: information about neighboring access nodes of an access node, such as carrier frequency, cell identifier, and so on.
  • the access node determines the terminal that needs to perform the handover, and initiates the handover of the terminal to the other access node, and further includes: the access node selects a suitable target access node for the terminal according to the measurement result reported by the terminal, and initiates the initiative.
  • the terminal is switched to the target access node; the access node sends the context information of the terminal to the target access node when the terminal switches.
  • the terminal performs corresponding carrier frequency adjustment according to the received carrier frequency adjustment information, and performs corresponding operation frequency adjustment according to the carrier frequency adjustment information.
  • the terminal performs the corresponding carrier frequency adjustment according to the received carrier frequency adjustment information or selects an operation initiated by the terminal to switch the terminal to another access node, and further includes:
  • the terminal After receiving the carrier frequency adjustment information, the terminal decides whether to perform the corresponding carrier frequency adjustment or switch the terminal to another access node;
  • the terminal decides to perform carrier frequency adjustment, the terminal performs corresponding working frequency adjustment according to the carrier frequency adjustment information. If the terminal decides to switch to another access node, the terminal actively initiates handover of the terminal to other access nodes.
  • the terminal may further include:
  • the terminal uses the proprietary preamble to perform non-contention random access to the original access node that has previously undergone carrier frequency adjustment; if the terminal does not receive the proprietary preamble information, the terminal performs the terminal. Based on the random access to the original access node that has been previously adjusted for carrier frequency? After the terminal completes the random access, it restores the data connection with the original access node that has previously performed carrier frequency adjustment.
  • the terminal actively initiates handover of the terminal to another access node, and further includes: the terminal selects a suitable target access node according to the measurement result of the neighboring access node, and initiates handover to the target access node; The terminal sends the context information of the terminal to the target access node.
  • the access node can dynamically adjust the operating frequency
  • the corresponding terminal can select to switch to other access nodes, or select to follow the adjustment of the access node to adjust the operating frequency of the terminal. In this way, not only load balancing can be achieved, but also co-channel interference can be reduced, the overall service quality of the system can be improved, and the deployment cost of the communication node can be reduced.
  • FIG. 1 is a schematic flowchart of a carrier frequency adjustment performed by an access node.
  • an access node sends carrier frequency adjustment information to a terminal; the terminal adjusts a working carrier frequency of the terminal according to the carrier frequency adjustment information, or selects a terminal. Switch to other access nodes; the access node switches to the new working carrier frequency.
  • Step 101 The access node determines, according to the energy information of each carrier frequency currently managed, that the carrier frequency needs to be adjusted, and sends carrier frequency adjustment information to the terminal.
  • Step 102 The terminal determines the processing mode. If the terminal decides to perform carrier frequency adjustment, step 103 is performed. If the terminal decides to perform handover, step 104 is performed.
  • Step 103 The terminal ends the current process by performing corresponding operation frequency adjustment according to the carrier frequency adjustment information.
  • Step 104 The terminal actively initiates the operation of switching the terminal to another access node, and then ends the process.
  • the access node A operates at carrier frequency 1 and serves a number of terminals, such as terminal 1, terminal 2, and the like.
  • the access node A measures the energy information on the plurality of carrier frequencies, and/or the access node A notifies the subordinate terminal to measure the energy information on the plurality of carrier frequencies through the control message, and then feeds back to the access node A; the access node A Based on the above energy information, it is found that the carrier frequency 1 has a large interference, and the carrier frequency 2 has a small interference, thereby determining to adjust to the carrier frequency 2 as the working carrier frequency.
  • the access node A broadcasts and transmits carrier frequency adjustment information, such as carrier frequency 2 information, and carrier frequency adjustment effective time and the like;
  • the terminal served by the access node A decides whether to follow the node A for carrier frequency adjustment or switch to other access nodes;
  • the terminal 1 decides to follow the node A for carrier frequency adjustment, the terminal 1 adjusts the working carrier frequency to the carrier frequency 2 according to the carrier frequency adjustment effective time information, and then the terminal 1 accesses the access node A at the carrier frequency 2, For example, after the uplink and downlink synchronization can be completed by using the random access based on the competition, the data connection and the data transmission before the restoration are started.
  • the access node A operates on the carrier frequency 1 and serves a number of terminals, such as terminal 1, terminal 2, and the like.
  • the access node A measures the energy information on the multiple carrier frequencies, and/or the access node A notifies the subordinate terminal to measure the energy information on the multiple carrier frequencies through the control message, and then feeds back to the access node A; the access node A Based on the above energy information, it is found that the carrier frequency 1 has a large interference, and the carrier frequency 2 has a small interference, thereby determining to adjust to the carrier frequency 2 as the working carrier frequency.
  • the access node A broadcasts and transmits carrier frequency adjustment information, such as carrier frequency 2 information, and information such as the carrier frequency adjustment effective time;
  • the terminal served by the access node A decides whether to follow the node A for carrier frequency adjustment or switch to other access nodes;
  • the terminal 2 If the terminal 2 switches to another access node, the terminal 2 performs scanning measurement on the neighboring access node, and then finds the most suitable neighboring access node, such as the access node B, as the target access node, and the terminal actively initiates the handover.
  • the access node A may send the context information of the terminal 2 to the access node B to accelerate the handover of the terminal 2; Finally, the terminal 2 completes the handover to the access node B, and the access node B serves the terminal.
  • Application example 3 :
  • the access node A operates on the carrier frequency 1 and serves a number of terminals, such as terminal 1, terminal 2, and the like.
  • the access node A measures the energy information on the multiple carrier frequencies, and/or the access node A notifies the subordinate terminal to measure the energy information on the multiple carrier frequencies through the control message, and then feeds back to the access node A; the access node A Based on the above energy information, it is found that the carrier frequency 1 has a large interference, and the carrier frequency 2 has a small interference, thereby determining to adjust to the carrier frequency 2 as the working carrier frequency.
  • the access node A broadcasts and transmits carrier frequency adjustment information, such as carrier frequency 2 information, and carrier frequency adjustment effective time; and the access node A broadcasts information of the neighboring access node;
  • the terminal served by the access node A After receiving the carrier frequency adjustment information and the information of the neighboring access nodes, the terminal served by the access node A performs scanning measurement on the adjacent access node, and if it can find a neighboring access node suitable for hand-in, such as access
  • the terminal actively initiates the handover to the target access node; otherwise, the terminal follows the access node A to perform corresponding carrier frequency adjustment.
  • the access node A may send the context information that needs to be switched to the neighboring target access node to accelerate the handover of the terminal.
  • the following application examples 4 to 5 are mainly used for the scenario in which the access node determines the processing mode of the served terminal and performs corresponding processing. As shown in FIG. 3, the following steps are included:
  • Step 201 The access node determines to perform carrier frequency adjustment according to energy information of each carrier frequency currently managed.
  • Step 202 The access node determines the processing mode of the served terminal. If the terminal served by the access node is a terminal that needs to perform carrier frequency adjustment, step 203 is performed; if the terminal served by the access node needs to switch to another terminal, The terminal of the ingress node performs step 205.
  • Step 203 The access node sends carrier frequency adjustment information to the terminal.
  • Step 204 The terminal ends the process according to the carrier frequency adjustment information and performs corresponding adjustment.
  • Step 205 The access node initiates an operation of switching the terminal to another access node.
  • Step 206 The terminal ends the process after switching to another access node.
  • the access node A operates on the carrier frequency 1 and serves a number of terminals, such as terminal 1, terminal 2, and the like.
  • the access node A measures the energy information on the multiple carrier frequencies, and/or the access node A notifies the subordinate terminal to measure the energy information on the multiple carrier frequencies through the control message, and then feeds back to the access node A; the access node A Based on the above energy information, it is found that the carrier frequency 1 has a large interference, and the carrier frequency 2 has a small interference, so that the adjustment to the carrier frequency 2 is determined as the working carrier frequency; the access node A according to the service quality of the served terminal, and the previously received The measurement and reporting information of the service terminal determines the processing method for different terminals;
  • the access node A decides to let the terminal 1 follow the own access node for carrier frequency adjustment, the access node A sends the carrier frequency adjustment information to the terminal 1 through the dedicated signaling; after receiving the carrier frequency adjustment information, the terminal 1 receives the carrier frequency adjustment information.
  • the carrier frequency adjustment effective time information adjusts the working carrier frequency to the carrier frequency 2 at the corresponding time, and then the terminal 1 accesses the access node A using the carrier frequency 2, for example, after the uplink and downlink synchronization can be completed by using the contention-based random access. , start to restore the previous data connection and data transmission;
  • the access node A may request the terminal 2 to initiate a scan measurement of the neighboring access node, and then find a suitable neighboring access node such as access.
  • Node B serves as the target access node, and then the terminal switches to the target access node B.
  • the access node A can send the context information of the terminal 2 to the access node B to accelerate the terminal 2 Switch.
  • the access node A operates at carrier frequency 1 and serves a number of terminals, such as terminal 1, terminal 2, and the like.
  • the access node A measures the energy information on the multiple carrier frequencies, and/or the access node A notifies the subordinate terminal to measure the energy information on the multiple carrier frequencies through the control message, and then feeds back to the access node A; the access node A Based on the above energy information, it is found that the carrier frequency 1 has a large interference, and the carrier frequency 2 has a small interference, thereby determining to adjust to the carrier frequency 2 as the working carrier frequency.
  • Access node A broadcasts neighboring access The node information is sent to the terminal, and the served terminal is required to measure and report the measurement result. The access node A determines the processing mode of the different terminal according to the measurement result reported by the terminal.
  • the access node A decides to let the terminal 1 follow the own access node for carrier frequency adjustment, the access node A sends the carrier frequency adjustment information to the terminal 1 through the dedicated signaling, and the terminal 1 receives the carrier frequency adjustment information.
  • the carrier frequency adjustment effective time information adjusts the working carrier frequency to the carrier frequency 2 at the corresponding time, and then the terminal 1 accesses the access node A at the carrier frequency 2. For example, after the uplink and downlink synchronization can be completed by using the contention-based random access , start to restore the previous data connection and data transmission;
  • the access node A decides to switch the terminal 1 to another access node, the access node A finds a suitable neighboring access node, such as the access node B, as the target access node according to the measurement report of the terminal, and then initiates the handover actively.
  • the requesting terminal switches to the target access node B.
  • the access node A may send the context information of the terminal 1 to the access node B to accelerate the handover of the terminal 1.
  • a processing system for adjusting an carrier frequency of an access node comprising: an information sending unit and a processing unit; wherein
  • An information sending unit configured to send carrier frequency adjustment information to the processing unit
  • the processing unit is configured to perform corresponding processing according to the received carrier frequency adjustment information when receiving the carrier frequency adjustment information sent by the information sending unit to the terminal.
  • the corresponding processing according to the received carrier frequency adjustment information includes the following two specific implementations:
  • the processing unit is specifically configured to perform carrier frequency adjustment according to the carrier frequency adjustment information when determining a carrier frequency adjustment in a self-decision processing mode, and initiate a handover to another when determining to perform handover.
  • the operation of the access node is specifically configured to perform carrier frequency adjustment according to the carrier frequency adjustment information when determining a carrier frequency adjustment in a self-decision processing mode, and initiate a handover to another when determining to perform handover. The operation of the access node.
  • the information sending unit is further configured to: the processing mode of the decision processing unit is that the carrier frequency adjustment needs to be performed or needs to be switched.
  • the notification processing unit is configured according to the loading Frequency adjustment information for carrier frequency adjustment; when decision making When the mode is required to be switched, an instruction to switch the terminal to another access node is sent to the processing unit;
  • the processing unit is configured to receive, by the information sending unit, a notification that the carrier frequency adjustment is performed according to the carrier frequency adjustment information, perform carrier frequency adjustment according to the carrier frequency adjustment information, and send the information sending unit The instruction to switch the terminal to another access node to initiate the operation of switching the terminal to another access node is initiated.
  • the information sending unit is further configured to determine, according to energy information of each carrier frequency currently managed, that the carrier frequency needs to be adjusted.
  • the information sending unit is further configured to send the carrier adjustment information to the processing unit by means of broadcast or proprietary signaling.
  • the processing unit is further configured to: when the terminal initiates a handover to another access node, perform measurement on the neighboring access node, and send the measurement result of the neighboring access node to the information sending unit to receive the information.
  • the information sending unit is further configured to: when the processing mode of the decision is that the switching needs to be performed, the notification processing unit starts to perform measurement, and reports the measurement result, selects an appropriate target access node according to the measurement result, and sends the context information of the terminal to the The target access node, the notification processing unit performs handover to the target access node.
  • the processing unit is further configured to: determine, by the access node, the terminal that needs to perform handover, and initiate an operation to switch the terminal to another access node. In the case of the notification that the measurement is started by the information processing unit, the measurement result reported to the information transmitting unit is switched to the target access node according to the notification of the handover to the target access node by the information transmitting unit.
  • the above information sending unit may be installed at an access node, and the processing unit may be installed in the terminal.
  • the above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention.

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Abstract

Disclosed is a processing method for an access node to adjust the carrier frequency, comprising: an access node sending carrier frequency adjustment information to a terminal; and the terminal performing corresponding processing according to the received carrier frequency adjustment information. Also disclosed is a processing system for an access node to adjust the carrier frequency. The present invention can solve the problems of unbalanced load of the working carrier frequency and intra-frequency interference through carrier frequency adjustment, thereby improving the overall quality of service of the system.

Description

一种接入节点调整载频的处理方法及系统 技术领域  Method and system for processing access node to adjust carrier frequency
本发明涉及通信技术领域， 尤其涉及一种接入节点调整载频的处理方 法及系统。 背景技术  The present invention relates to the field of communications technologies, and in particular, to a processing method and system for an access node to adjust a carrier frequency. Background technique
随着移动互联网的发展和智能手机的普及， 移动数据流量需求飞速增 长， 快速增长的数据业务对移动通信网络的传输能力提出了严峻挑战。 根 据权威机构预测， 未来十年内 （2011-2020 年）， 移动数据业务量还将每年 翻一番， 十年将增长一千倍。  With the development of mobile Internet and the popularity of smart phones, the demand for mobile data traffic is growing rapidly, and the rapid growth of data services poses a serious challenge to the transmission capabilities of mobile communication networks. According to authoritative forecasts, in the next decade (2011-2020), mobile data traffic will double every year and will increase by a thousand times in ten years.
大部分的移动数据业务主要发生在室内和热点环境， 体现为游牧 /本地 无线接入场景。 据统计， 目前移动数据业务量的近 70%发生在室内， 而且 这一比例还将继续增长， 预计到 2012年将会超过 80%。 数据业务主要为互 联网业务， 对服务质量的要求比较单一， 且远低于传统电信业务对服务质 量的要求。 蜂窝移动通信系统主要面向的是高速移动， 无缝切换的传统电 信业务设计， 当其承载大流量低速 IP (互联网协议）数据包业务时， 效率 偏低， 成本过高。  Most mobile data services occur mainly in indoor and hotspot environments, as reflected in nomadic/local wireless access scenarios. According to statistics, nearly 70% of mobile data traffic is currently indoors, and this proportion will continue to grow, and is expected to exceed 80% by 2012. The data service is mainly for Internet services, and the requirements for service quality are relatively simple, and far lower than the requirements for service quality of traditional telecommunication services. The cellular mobile communication system is mainly designed for high-speed mobile, seamless telecommunication traditional telecommunication service design. When it carries large-flow and low-speed IP (Internet Protocol) packet services, the efficiency is low and the cost is too high.
蜂窝移动运营商需要低成本，适合游牧 /本地无线数据接入的解决方案， 在降低设备成本的前提下进一步降低和优化原有系统的开销， 以进一步提 高系统的吞吐量、 满足高速发展的数据用户的需求。 而在大多游牧 /本地无 线数据接入的解决方案中， 接入节点的部署较为随意灵活， 由接入节点拥 有者自由设定工作载频， 没有经过运营商统一的分配及规划， 因此很容易 出现不同的工作载频负载不均衡的问题， 而且如果设定的工作载频相同还 会导致同频干扰的问题， 这些问题都会降低系统的整体服务质量。 发明内容 Cellular mobile operators need low-cost, nomadic/local wireless data access solutions to further reduce and optimize legacy system costs while reducing equipment costs to further increase system throughput and meet high-speed data. User needs. In most nomadic/local wireless data access solutions, the deployment of access nodes is more flexible and flexible. The access node owner can freely set the working carrier frequency without the unified allocation and planning by the operator, so it is easy. Different working carrier load imbalance problems occur, and if the set working carrier frequency is the same, it will also cause the same frequency interference problem, which will reduce the overall service quality of the system. Summary of the invention
有鉴于此， 本发明的主要目的在于提供一种接入节点调整载频的处理 方法及系统， 通过载频调整来解决工作载频负载不均衡和同频干扰的问题， 从而提高系统的整体服务质量。  In view of this, the main purpose of the present invention is to provide a processing method and system for adjusting an carrier frequency of an access node, and solve the problem of unbalanced load and co-channel interference of the working carrier frequency by carrier frequency adjustment, thereby improving the overall service of the system. quality.
为达到上述目的， 本发明的技术方案是这样实现的：  In order to achieve the above object, the technical solution of the present invention is achieved as follows:
一种接入节点调整载频的处理方法， 该方法包括：  A method for processing an access node to adjust a carrier frequency, the method comprising:
接入节点发送载频调整信息给终端； 终端根据接收到的所述载频调整 信息进行对应的处理。  The access node sends carrier frequency adjustment information to the terminal; the terminal performs corresponding processing according to the received carrier frequency adjustment information.
其中， 所述终端根据接收到的所述载频调整信息进行对应的处理， 包 括： 当由终端自身决策处理模式的情况下， 如果终端决定进行载频调整， 则终端根据所述载频调整信息进行载频调整； 如果终端决定进行切换， 则 终端主动发起切换到其他接入节点的操作。  The terminal performs corresponding processing according to the received carrier frequency adjustment information, including: when the terminal determines the processing mode by the terminal itself, if the terminal determines to perform carrier frequency adjustment, the terminal adjusts the information according to the carrier frequency. The carrier frequency adjustment is performed; if the terminal decides to perform the handover, the terminal actively initiates an operation of switching to another access node.
其中， 所述终端根据接收到的所述载频调整信息进行对应的处理， 包 括： 当由接入节点决策终端的处理模式的情况下， 如果接入节点决定终端 需要进行载频调整， 则所述终端根据所述载频调整信息进行载频调整； 如 果接入节点决定终端需要进行切换， 则接入节点主动发起将终端切换到其 他接入节点的操作。  The terminal performs corresponding processing according to the received carrier frequency adjustment information, including: when the access node determines the processing mode of the terminal, if the access node determines that the terminal needs to perform carrier frequency adjustment, then The terminal performs carrier frequency adjustment according to the carrier frequency adjustment information. If the access node determines that the terminal needs to perform handover, the access node actively initiates an operation of switching the terminal to another access node.
其中， 所述载频调整信息， 包括： 接入节点选择采用的工作频率和调 整生效时间。  The carrier frequency adjustment information includes: an operating frequency selected by the access node and an adjustment effective time.
其中， 所述接入节点发送载频调整信息给终端， 包括： 接入节点通过 广播或专有信令的方式将所述载频调整信息发送给终端。  The access node sends the carrier frequency adjustment information to the terminal, where the access node sends the carrier frequency adjustment information to the terminal by means of broadcast or proprietary signaling.
其中， 所述接入节点发送载频调整信息给终端之前， 该方法还包括： 接入节点发送邻区信息给终端， 终端根据所述邻区信息对相邻接入节点进 行扫描测量。  Before the sending, by the access node, the carrier frequency adjustment information to the terminal, the method further includes: the access node sends the neighboring area information to the terminal, and the terminal performs scanning measurement on the neighboring access node according to the neighboring area information.
其中， 所述终端主动发起切换到其他接入节点的操作， 包括： 终端根 据对相邻接入节点测量结果， 选择合适的目标接入节点， 并发起到目标接 入节点的切换； 接入节点在终端切换时将终端的上下文信息发送给目标接 入节点。 The terminal actively initiates an operation of switching to another access node, including: According to the measurement result of the neighboring access node, the appropriate target access node is selected, and the handover to the target access node is initiated; the access node sends the context information of the terminal to the target access node when the terminal switches.
其中， 所述如果接入节点决定终端需要进行切换， 则接入节点确定了 需要进行切换的终端并主动发起将终端切换到其他接入节点的操作， 包括： 接入节点根据终端上报的测量结果， 为终端选择合适的目标接入节点， 并 主动发起将终端切换到目标接入节点； 接入节点在终端切换时将终端的上 下文信息发送给目标接入节点。  If the access node determines that the terminal needs to perform the handover, the access node determines the terminal that needs to perform the handover and initiates the operation of the terminal to switch to the other access node, including: the access node reports the measurement result according to the terminal. And selecting a suitable target access node for the terminal, and actively initiating handover of the terminal to the target access node; the access node sends the context information of the terminal to the target access node when the terminal switches.
其中， 所述接入节点通过广播或所述专有信令的方式将所述载频调整 信息发送给终端， 包括： 接入节点确定需要调整载频的终端， 将载频调整 信息仅发送给相应的需要调整载频的所述终端， 或， 接入节点发送专有前 导信息给所述终端； 终端根据载频调整信息进行对应的载频调整。  The transmitting node sends the carrier frequency adjustment information to the terminal by means of broadcast or the dedicated signaling, including: the access node determines the terminal that needs to adjust the carrier frequency, and sends the carrier frequency adjustment information only to the Correspondingly, the terminal that needs to adjust the carrier frequency, or the access node sends the proprietary preamble information to the terminal; the terminal performs corresponding carrier frequency adjustment according to the carrier frequency adjustment information.
其中， 所述终端根据载频调整信息进行对应的载频调整， 包括： 如果终端收到所述专有前导信息， 则终端使用专有前导进行非竟争的 随机接入到之前已进行载频调整的接入节点； 如果终端没有收到所述专有 前导信息， 则终端进行基于竟争的随机接入到之前已进行载频调整的接入 节点？  The terminal performs corresponding carrier frequency adjustment according to the carrier frequency adjustment information, including: if the terminal receives the proprietary preamble information, the terminal uses the proprietary preamble to perform non-contention random access to the previously carried carrier frequency. The adjusted access node; if the terminal does not receive the proprietary preamble information, the terminal performs a contention-based random access to the access node that has previously undergone carrier frequency adjustment?
终端完成随机接入后， 恢复与之前已进行载频调整的接入节点之间的 数据连接。  After the terminal completes the random access, it restores the data connection with the access node that has previously performed carrier frequency adjustment.
一种接入节点调整载频的处理系统， 该系统包括： 信息发送单元和处 理单元； 其中，  A processing system for adjusting an carrier frequency of an access node, the system comprising: an information sending unit and a processing unit; wherein
信息发送单元， 用于发送载频调整信息给终端的处理单元；  An information sending unit, configured to send carrier frequency adjustment information to a processing unit of the terminal;
处理单元， 用于根据接收到的接入节点的信息发送单元发来的所述载 频调整信息进行对应的处理。  And a processing unit, configured to perform corresponding processing according to the carrier frequency adjustment information sent by the information sending unit of the received access node.
其中， 所述处理单元， 进一步用于当由终端自身决策处理模式的情况 下， 决定进行载频调整时， 根据所述载频调整信息进行载频调整； 决定进 行切换时， 主动发起切换到其他节点的操作。 The processing unit is further configured to: when the mode is determined by the terminal itself Next, when determining the carrier frequency adjustment, the carrier frequency adjustment is performed according to the carrier frequency adjustment information; when the handover is determined, the operation of switching to another node is actively initiated.
其中， 所述信息发送单元， 进一步用于决策处理单元的处理模式为需 要进行载频调整或需要进行切换， 当决策的处理模式为需要进行载频调整 时， 通知处理单元根据所述载频调整信息进行载频调整； 当决策的处理模 式为需要进行切换时， 向处理单元发送将该终端切换到其他接入节点的指 令；  The information sending unit is further configured to: the processing mode of the decision processing unit needs to perform carrier frequency adjustment or needs to be switched. When the processing mode of the decision is that carrier frequency adjustment is required, the notification processing unit adjusts according to the carrier frequency. The information is subjected to carrier frequency adjustment; when the processing mode of the decision is that handover is required, an instruction to switch the terminal to another access node is sent to the processing unit;
相应的， 所述处理单元， 进一步用于接收由信息发送单元发来根据所 述载频调整信息进行载频调整的通知， 以及接收由信息发送单元发来的将 本终端切换到其他接入节点的指令。  Correspondingly, the processing unit is further configured to receive, by the information sending unit, a notification that the carrier frequency adjustment is performed according to the carrier frequency adjustment information, and receive the local terminal that is sent by the information sending unit to switch to another access node. Instructions.
其中， 所述信息发送单元， 具体用于将选择采用的工作频率和调整生 效时间编写成载频调整信息。  The information sending unit is specifically configured to write the selected operating frequency and the adjusted effective time into carrier frequency adjustment information.
其中， 所述信息发送单元， 进一步用于通过广播或专有信令的方式将 所述载频调整信息发送给处理单元。  The information sending unit is further configured to send the carrier frequency adjustment information to the processing unit by means of broadcast or proprietary signaling.
其中， 所述处理单元， 进一步用于主动发起切换到其他接入节点操作 的情况下， 对相邻接入节点进行测量， 将对相邻接入节点测量结果发送给 信息发送单元， 接收信息发送单元发来的切换到目标接入节点的通知， 根 据该通知进行切换；  The processing unit is further configured to: when the initiative initiates the handover to the operation of the other access node, perform measurement on the neighboring access node, and send the measurement result of the neighboring access node to the information sending unit, and receive the information to be sent. The notification sent by the unit to the target access node is switched according to the notification;
相应的， 所述信息发送单元， 进一步用于根据处理单元发来的测量结 果选择合适的目标接入节点， 并通知处理单元切换到目标接入节点， 将上 下文信息发送给目标接入节点。  Correspondingly, the information sending unit is further configured to select an appropriate target access node according to the measurement result sent by the processing unit, and notify the processing unit to switch to the target access node, and send the context information to the target access node.
其中， 所述信息发送单元， 进一步用于当决策的处理模式为需要进行 切换时， 通知处理单元开始进行测量， 并上报测量结果， 根据测量结果选 择合适的目标接入节点、 将终端的上下文信息发送给目标接入节点， 通知 处理单元进行切换到目标接入节点； 相应的， 所述处理单元， 进一步用于由接入节点确定了需要进行切换 的终端并主动发起将终端切换到其他接入节点操作的情况下， 接收信息处 理单元发来的开始进行测量的通知， 向信息发送单元上报的测量结果， 根 据信息发送单元发来的切换到目标接入节点的通知后， 切换到目标接入节 点。 The information sending unit is further configured to: when the processing mode of the decision is that the switching needs to be performed, the notification processing unit starts to perform measurement, and reports the measurement result, and selects an appropriate target access node according to the measurement result, and uses the context information of the terminal. Sending to the target access node, notifying the processing unit to switch to the target access node; Correspondingly, the processing unit is further configured to: when the access node determines the terminal that needs to perform handover and initiate the operation of switching the terminal to another access node, receiving the notification that the information processing unit starts to perform measurement The measurement result reported to the information transmitting unit is switched to the target access node according to the notification sent by the information sending unit to the target access node.
其中， 所述处理单元， 位于终端上； 所述信息发送单元， 位于接入节 点上。  The processing unit is located on the terminal, and the information sending unit is located on the access node.
本发明的接入节点发送载频调整信息给终端； 终端根据接收到的载频 调整信息进行相对应的处理。 采用本发明， 通过载频调整来解决工作载频 负载不均衡和同频干扰的问题， 从而提高系统的整体服务质量。 附图说明  The access node of the present invention sends carrier frequency adjustment information to the terminal; the terminal performs corresponding processing according to the received carrier frequency adjustment information. By adopting the invention, the problem of unbalanced load and co-channel interference of the working carrier frequency is solved by the carrier frequency adjustment, thereby improving the overall service quality of the system. DRAWINGS
图 1为接入节点进行载频调整的原理流程图；  1 is a flow chart showing the principle of carrier frequency adjustment by an access node;
图 1为终端根据接收到的载频调整信息自行判断处理模式的流程图； 图 3为接入节点决定所服务终端的处理模式并进行相应处理的流程图。 具体实施方式  FIG. 1 is a flow chart of the terminal determining the processing mode according to the received carrier frequency adjustment information; FIG. 3 is a flow chart of the access node determining the processing mode of the served terminal and performing corresponding processing. detailed description
本发明的基本思想是： 接入节点发送载频调整信息给终端； 终端根据 接收到的载频调整信息进行对应的处理。  The basic idea of the present invention is: The access node sends carrier frequency adjustment information to the terminal; the terminal performs corresponding processing according to the received carrier frequency adjustment information.
一种接入节点调整载频的处理方法， 主要包括以下内容：  A processing method for an access node to adjust a carrier frequency mainly includes the following contents:
接入节点根据当前管理的各个载频的能量信息确定需要调整载频， 接 入节点发送载频调整信息给终端； 终端根据接收到的载频调整信息进行对 应的处理。  The access node determines that the carrier frequency needs to be adjusted according to the energy information of each carrier frequency currently managed, and the access node sends the carrier frequency adjustment information to the terminal; the terminal performs corresponding processing according to the received carrier frequency adjustment information.
这里， 所述当前管理的各个载频的能量信息， 可以为接入节点测量自 身管理的多个载频上的能量信息， 也可以为接入节点向其管理的终端发送 控制消息， 然后接入节点接收终端反馈多个载频上的能量信息； 其中， 所述能量信息， 为当前接入节点所管理的各个载频中的信号功 率值及噪声功率值； Here, the energy information of the currently managed carrier frequency may be that the access node measures the energy information on multiple carrier frequencies managed by the access node, or may send the control message to the terminal managed by the access node, and then access The node receiving terminal feeds back energy information on multiple carrier frequencies; The energy information is a signal power value and a noise power value in each carrier frequency managed by the current access node;
所述控制消息， 包含需要终端测量的载频的标识， 或不需要终端测量 的载频的标识。  The control message includes an identifier of a carrier frequency that needs to be measured by the terminal, or an identifier of a carrier frequency that does not require measurement by the terminal.
所述确定需要调整载频， 为根据当前管理的各个载频的能量信息， 确 定存在质量差的载频， 及质量好的载频； 其中， 所述质量差的载频， 使用 已有技术来判定， 比如， 可以使用信噪比来判定。  The determining needs to adjust the carrier frequency, and determining, according to the currently managed energy information of each carrier frequency, a carrier frequency having a poor quality, and a carrier carrier having a good quality; wherein the carrier carrier of the poor quality is used in the prior art. The decision, for example, can be determined using a signal to noise ratio.
所述终端根据接收到的载频调整信息进行相对应的处理， 包括以下两 种情况：  The terminal performs corresponding processing according to the received carrier frequency adjustment information, and includes the following two situations:
情况 1 : 在终端自身决策处理模式的情况下， 如果终端决定进行载频调 整， 则终端根据所述载频调整信息进行载频调整； 如果终端决定进行切换， 则终端主动发起切换到其他接入节点的操作。  Case 1: In the case of the terminal's own decision processing mode, if the terminal decides to perform carrier frequency adjustment, the terminal performs carrier frequency adjustment according to the carrier frequency adjustment information; if the terminal decides to perform handover, the terminal actively initiates handover to other access. The operation of the node.
情况 2: 在接入节点决策终端的处理模式的情况下， 如果接入节点决定 终端需要进行载频调整， 则所述终端根据所述载频调整信息进行载频调整； 如果接入节点决定终端需要进行切换， 则接入节点主动发起将终端切换到 其他接入节点的操作。  Case 2: In the case that the access node decides the processing mode of the terminal, if the access node determines that the terminal needs to perform carrier frequency adjustment, the terminal performs carrier frequency adjustment according to the carrier frequency adjustment information; if the access node determines the terminal If the handover is required, the access node initiates an operation of switching the terminal to another access node.
其中， 所述其他接入节点指： 除了当前发送载频调整信息给终端的接 入节点之外的节点；  The other access node refers to: a node other than the access node that currently sends the carrier frequency adjustment information to the terminal;
所述载频调整信息， 包含但不限于接入节点选择采用的工作频率和调 整生效时间等信息。  The carrier frequency adjustment information includes, but is not limited to, information such as an operating frequency and an adjustment effective time selected by the access node.
所述接入节点发送载频调整信息给终端， 包括： 接入节点通过广播或 专有信令将载频调整信息发送给终端。  And sending, by the access node, carrier frequency adjustment information to the terminal, where: the access node sends the carrier frequency adjustment information to the terminal by using broadcast or proprietary signaling.
这里， 所述接入节点通过专有信令将载频调整信息发送给终端， 进一 步包括： 接入节点确定需要调整载频的终端， 并将载频调整信息仅发送给 相应的需要调整载频的该终端； 可选的， 接入节点可发送专有前导信息给 该终端； 其中， 所述专有前导信息是专门分配给某个终端用于随机接入的 前导序列。 Here, the access node sends the carrier frequency adjustment information to the terminal by using dedicated signaling, and further includes: the access node determines the terminal that needs to adjust the carrier frequency, and sends the carrier frequency adjustment information only to the corresponding required carrier frequency. The terminal; optionally, the access node can send proprietary preamble information to The terminal; wherein the proprietary preamble information is a preamble sequence specifically allocated to a terminal for random access.
所述接入节点发送载频调整信息给终端之前， 还包括： 接入节点发送 邻区信息给终端， 终端可根据邻区信息对相邻接入节点进行扫描测量； 其中， 所述邻区信息指： 接入节点相邻接入节点的信息， 如载频、 小 区标识等。  Before the sending node sends the carrier frequency adjustment information to the terminal, the method further includes: the access node sends the neighboring area information to the terminal, where the terminal may scan and measure the neighboring access node according to the neighboring area information; wherein, the neighboring area information Refers to: information about neighboring access nodes of an access node, such as carrier frequency, cell identifier, and so on.
所述接入节点确定需要进行切换的终端， 并主动发起将终端切换到其 他接入节点， 进一步包括： 接入节点根据终端上报的测量结果， 为终端选 择合适的目标接入节点， 并主动发起将终端切换到目标接入节点； 接入节 点在终端切换时将终端的上下文信息发送给目标接入节点。  The access node determines the terminal that needs to perform the handover, and initiates the handover of the terminal to the other access node, and further includes: the access node selects a suitable target access node for the terminal according to the measurement result reported by the terminal, and initiates the initiative. The terminal is switched to the target access node; the access node sends the context information of the terminal to the target access node when the terminal switches.
所述终端根据接收到的载频调整信息进行相对应的载频调整， 是根据 载频调整信息进行相对应的工作频率调整。  The terminal performs corresponding carrier frequency adjustment according to the received carrier frequency adjustment information, and performs corresponding operation frequency adjustment according to the carrier frequency adjustment information.
所述终端根据接收到的载频调整信息进行相对应的载频调整或选择由 终端主动发起将终端切换到其他接入节点的操作， 进一步包括：  The terminal performs the corresponding carrier frequency adjustment according to the received carrier frequency adjustment information or selects an operation initiated by the terminal to switch the terminal to another access node, and further includes:
终端接收到载频调整信息后， 自行决定进行相对应的载频调整还是将 终端切换到其他接入节点；  After receiving the carrier frequency adjustment information, the terminal decides whether to perform the corresponding carrier frequency adjustment or switch the terminal to another access node;
如果终端决定进行载频调整， 则终端根据载频调整信息进行相对应的 工作频率调整； 如果终端决定切换到其他接入节点， 则终端主动发起将终 端切换到其他接入节点。  If the terminal decides to perform carrier frequency adjustment, the terminal performs corresponding working frequency adjustment according to the carrier frequency adjustment information. If the terminal decides to switch to another access node, the terminal actively initiates handover of the terminal to other access nodes.
所述终端根据载频调整信息进行相对应的载频调整之后， 可进一步包 括：  After the terminal performs the corresponding carrier frequency adjustment according to the carrier frequency adjustment information, the terminal may further include:
如果终端收到专有前导信息， 则终端使用专有前导进行非竟争的随机 接入到之前已进行载频调整的原有接入节点； 如果终端没有收到专有前导 信息， 则终端进行基于竟争的随机接入到之前已进行载频调整的原有接入 节点？ 终端完成随机接入后， 恢复与之前已进行载频调整的原有接入节点之 间的数据连接。 If the terminal receives the proprietary preamble information, the terminal uses the proprietary preamble to perform non-contention random access to the original access node that has previously undergone carrier frequency adjustment; if the terminal does not receive the proprietary preamble information, the terminal performs the terminal. Based on the random access to the original access node that has been previously adjusted for carrier frequency? After the terminal completes the random access, it restores the data connection with the original access node that has previously performed carrier frequency adjustment.
所述终端主动发起将终端切换到其他接入节点， 进一步包括： 终端根 据对相邻接入节点测量结果， 选择合适的目标接入节点， 并发起到目标接 入节点的切换； 接入节点在终端切换时将终端的上下文信息发送给目标接 入节点。  The terminal actively initiates handover of the terminal to another access node, and further includes: the terminal selects a suitable target access node according to the measurement result of the neighboring access node, and initiates handover to the target access node; The terminal sends the context information of the terminal to the target access node.
综上所述， 通过本发明的上述方案， 由于接入节点可以动态的调整工 作频率， 相应的终端可选择切换到其他接入节点、 或是选择跟随接入节点 的调整而调整终端的工作频率， 通过这种方式不仅可以使负载均衡， 而且 可以降低同频干扰， 提高系统整体服务质量， 降低了通信节点的部署成本。  In summary, with the above solution of the present invention, since the access node can dynamically adjust the operating frequency, the corresponding terminal can select to switch to other access nodes, or select to follow the adjustment of the access node to adjust the operating frequency of the terminal. In this way, not only load balancing can be achieved, but also co-channel interference can be reduced, the overall service quality of the system can be improved, and the deployment cost of the communication node can be reduced.
下面结合附图对技术方案的实施作进一步的详细描述。  The implementation of the technical solution will be further described in detail below with reference to the accompanying drawings.
图 1为接入节点进行载频调整的原理流程图， 图 1 中， 接入节点发送 载频调整信息给终端； 终端根据该载频调整信息相应的调整终端的工作载 频、 或选择将终端切换到其他接入节点； 接入节点切换到新的工作载频上。  FIG. 1 is a schematic flowchart of a carrier frequency adjustment performed by an access node. In FIG. 1, an access node sends carrier frequency adjustment information to a terminal; the terminal adjusts a working carrier frequency of the terminal according to the carrier frequency adjustment information, or selects a terminal. Switch to other access nodes; the access node switches to the new working carrier frequency.
以下应用实例 1〜应用实例 3 , 主要针对终端根据接收到的载频调整信 息自行判断处理模式的场景， 如图 2所示， 包括以下步驟：  The following application examples 1 to 3 apply mainly to the scenario where the terminal determines the processing mode according to the received carrier frequency adjustment information. As shown in FIG. 2, the following steps are included:
步驟 101 : 接入节点根据当前管理的各个载频的能量信息， 确定需要调 整载频， 发送载频调整信息给终端。  Step 101: The access node determines, according to the energy information of each carrier frequency currently managed, that the carrier frequency needs to be adjusted, and sends carrier frequency adjustment information to the terminal.
步驟 102: 终端判断处理模式， 如果终端决定进行载频调整， 则执行步 驟 103 ; 如果终端决定进行切换， 则执行步驟 104。  Step 102: The terminal determines the processing mode. If the terminal decides to perform carrier frequency adjustment, step 103 is performed. If the terminal decides to perform handover, step 104 is performed.
步驟 103 :终端根据载频调整信息进行对应的工作频率调整后结束本流 程。  Step 103: The terminal ends the current process by performing corresponding operation frequency adjustment according to the carrier frequency adjustment information.
步驟 104:终端主动发起将终端切换到其他接入节点的操作后结束本流 程。  Step 104: The terminal actively initiates the operation of switching the terminal to another access node, and then ends the process.
应用实例 1 : 接入节点 A工作在载频 1 , 服务若干终端， 如终端 1 , 终端 2等。 接入节点 A测量多个载频上的能量信息、和 /或接入节点 A通过控制消 息通知其下属的终端测量多个载频上的能量信息后反馈给接入节点 A; 接 入节点 A基于上述能量信息发现载频 1干扰较大， 而载频 2干扰较小， 从 而决定调整到载频 2作为工作载频。 接入节点 A广播发送载频调整信息， 如载频 2的信息， 以及载频调整生效时间等信息； Application example 1: The access node A operates at carrier frequency 1 and serves a number of terminals, such as terminal 1, terminal 2, and the like. The access node A measures the energy information on the plurality of carrier frequencies, and/or the access node A notifies the subordinate terminal to measure the energy information on the plurality of carrier frequencies through the control message, and then feeds back to the access node A; the access node A Based on the above energy information, it is found that the carrier frequency 1 has a large interference, and the carrier frequency 2 has a small interference, thereby determining to adjust to the carrier frequency 2 as the working carrier frequency. The access node A broadcasts and transmits carrier frequency adjustment information, such as carrier frequency 2 information, and carrier frequency adjustment effective time and the like;
接入节点 A所服务的终端接收到载频调整信息后， 自行决定是跟随节 点 A进行载频调整还是切换到其他接入节点；  After receiving the carrier frequency adjustment information, the terminal served by the access node A decides whether to follow the node A for carrier frequency adjustment or switch to other access nodes;
若终端 1决定跟随节点 A进行载频调整， 则终端 1根据载频调整生效 时间信息在相应的时间调整工作载频到载频 2,然后终端 1在载频 2接入到 接入节点 A, 例如可采用基于竟争的随机接入完成上下行同步后， 就开始 恢复之前的数据连接及数据传输。  If the terminal 1 decides to follow the node A for carrier frequency adjustment, the terminal 1 adjusts the working carrier frequency to the carrier frequency 2 according to the carrier frequency adjustment effective time information, and then the terminal 1 accesses the access node A at the carrier frequency 2, For example, after the uplink and downlink synchronization can be completed by using the random access based on the competition, the data connection and the data transmission before the restoration are started.
应用实例 2:  Application example 2:
接入节点 A工作在载频 1 , 服务若干终端， 如终端 1 , 终端 2等。 接入节点 A测量多个载频上的能量信息，和 /或接入节点 A通过控制消 息通知其下属的终端测量多个载频上的能量信息后反馈给接入节点 A; 接入节点 A基于上述能量信息发现载频 1干扰较大， 而载频 2干扰较 小， 从而决定调整到载频 2作为工作载频。 接入节点 A广播发送载频调整 信息， 如载频 2的信息， 以及载频调整生效时间等信息；  The access node A operates on the carrier frequency 1 and serves a number of terminals, such as terminal 1, terminal 2, and the like. The access node A measures the energy information on the multiple carrier frequencies, and/or the access node A notifies the subordinate terminal to measure the energy information on the multiple carrier frequencies through the control message, and then feeds back to the access node A; the access node A Based on the above energy information, it is found that the carrier frequency 1 has a large interference, and the carrier frequency 2 has a small interference, thereby determining to adjust to the carrier frequency 2 as the working carrier frequency. The access node A broadcasts and transmits carrier frequency adjustment information, such as carrier frequency 2 information, and information such as the carrier frequency adjustment effective time;
接入节点 A所服务的终端接收到载频调整信息后， 自行决定是跟随节 点 A进行载频调整还是切换到其他接入节点；  After receiving the carrier frequency adjustment information, the terminal served by the access node A decides whether to follow the node A for carrier frequency adjustment or switch to other access nodes;
若终端 2切换到其他接入节点， 则终端 2对相邻的接入节点进行扫描 测量， 然后找出最合适的相邻接入节点如接入节点 B作为目标接入节点， 终端主动发起切换到目标接入节点； 可选的， 在此过程中， 接入节点 A可 将终端 2的上下文信息发送到接入节点 B, 以加速终端 2的切换； 最后终端 2完成到接入节点 B的切换， 由接入节点 B服务该终端。 应用实例 3: If the terminal 2 switches to another access node, the terminal 2 performs scanning measurement on the neighboring access node, and then finds the most suitable neighboring access node, such as the access node B, as the target access node, and the terminal actively initiates the handover. To the target access node; optionally, in this process, the access node A may send the context information of the terminal 2 to the access node B to accelerate the handover of the terminal 2; Finally, the terminal 2 completes the handover to the access node B, and the access node B serves the terminal. Application example 3:
接入节点 A工作在载频 1 , 服务若干终端， 如终端 1 , 终端 2等。  The access node A operates on the carrier frequency 1 and serves a number of terminals, such as terminal 1, terminal 2, and the like.
接入节点 A测量多个载频上的能量信息，和 /或接入节点 A通过控制消 息通知其下属的终端测量多个载频上的能量信息后反馈给接入节点 A; 接入节点 A基于上述能量信息发现载频 1干扰较大， 而载频 2干扰较 小， 从而决定调整到载频 2作为工作载频。 接入节点 A广播发送载频调整 信息， 如载频 2的信息， 以及载频调整生效时间等信息； 此外接入节点 A 广播发送相邻接入节点的信息；  The access node A measures the energy information on the multiple carrier frequencies, and/or the access node A notifies the subordinate terminal to measure the energy information on the multiple carrier frequencies through the control message, and then feeds back to the access node A; the access node A Based on the above energy information, it is found that the carrier frequency 1 has a large interference, and the carrier frequency 2 has a small interference, thereby determining to adjust to the carrier frequency 2 as the working carrier frequency. The access node A broadcasts and transmits carrier frequency adjustment information, such as carrier frequency 2 information, and carrier frequency adjustment effective time; and the access node A broadcasts information of the neighboring access node;
接入节点 A所服务的终端接收到载频调整信息以及相邻接入节点的信 息后， 对相邻的接入节点进行扫描测量， 如果能找出适合切入的相邻接入 节点如接入节点 B作为目标接入节点， 则终端主动发起切换到目标接入节 点； 否则， 终端跟随接入节点 A进行相应的载频调整。 可选的， 在此过程 中，接入节点 A可将需要切换终端的上下文信息发送到相邻目标接入节点， 以加速终端的切换。  After receiving the carrier frequency adjustment information and the information of the neighboring access nodes, the terminal served by the access node A performs scanning measurement on the adjacent access node, and if it can find a neighboring access node suitable for hand-in, such as access When the node B is the target access node, the terminal actively initiates the handover to the target access node; otherwise, the terminal follows the access node A to perform corresponding carrier frequency adjustment. Optionally, in this process, the access node A may send the context information that needs to be switched to the neighboring target access node to accelerate the handover of the terminal.
以下应用实例 4〜应用实例 5 , 主要针对接入节点决定所服务终端的处 理模式并进行相应处理的场景， 如图 3所示， 包括以下步驟：  The following application examples 4 to 5 are mainly used for the scenario in which the access node determines the processing mode of the served terminal and performs corresponding processing. As shown in FIG. 3, the following steps are included:
步驟 201 : 接入节点根据当前管理的各个载频的能量信息，接入节点决 定进行载频调整。  Step 201: The access node determines to perform carrier frequency adjustment according to energy information of each carrier frequency currently managed.
步驟 202: 接入节点决定所服务终端的处理模式，如果接入节点所服务 的终端是需要进行载频调整的终端， 则执行步驟 203; 如果接入节点所服务 的终端是需要切换到其他接入节点的终端， 则执行步驟 205。  Step 202: The access node determines the processing mode of the served terminal. If the terminal served by the access node is a terminal that needs to perform carrier frequency adjustment, step 203 is performed; if the terminal served by the access node needs to switch to another terminal, The terminal of the ingress node performs step 205.
步驟 203 : 接入节点发送载频调整信息给终端。  Step 203: The access node sends carrier frequency adjustment information to the terminal.
步驟 204: 终端根据载频调整信息进行对应的调整后结束本流程。  Step 204: The terminal ends the process according to the carrier frequency adjustment information and performs corresponding adjustment.
步驟 205: 接入节点发起将终端切换到其他接入节点的操作。 步驟 206: 终端切换到其他接入节点后结束本流程。 Step 205: The access node initiates an operation of switching the terminal to another access node. Step 206: The terminal ends the process after switching to another access node.
应用实例 4:  Application example 4:
接入节点 A工作在载频 1 , 服务若干终端， 如终端 1 , 终端 2等。 接入节点 A测量多个载频上的能量信息，和 /或接入节点 A通过控制消 息通知其下属的终端测量多个载频上的能量信息后反馈给接入节点 A; 接入节点 A基于上述能量信息发现载频 1干扰较大， 而载频 2干扰较 小， 从而决定调整到载频 2作为工作载频； 接入节点 A根据所服务终端的 服务质量， 以及之前接收到的所服务终端的测量上报等信息， 判断对不同 终端的处理方式；  The access node A operates on the carrier frequency 1 and serves a number of terminals, such as terminal 1, terminal 2, and the like. The access node A measures the energy information on the multiple carrier frequencies, and/or the access node A notifies the subordinate terminal to measure the energy information on the multiple carrier frequencies through the control message, and then feeds back to the access node A; the access node A Based on the above energy information, it is found that the carrier frequency 1 has a large interference, and the carrier frequency 2 has a small interference, so that the adjustment to the carrier frequency 2 is determined as the working carrier frequency; the access node A according to the service quality of the served terminal, and the previously received The measurement and reporting information of the service terminal determines the processing method for different terminals;
如果接入节点 A决定让终端 1跟随本接入节点进行载频调整， 则接入 节点 A通过专有信令发送载频调整信息给终端 1 ; 终端 1收到载频调整信 息后^ ^据载频调整生效时间信息在相应的时间调整工作载频到载频 2,然后 终端 1使用载频 2接入到接入节点 A, 例如， 可采用基于竟争的随机接入 完成上下行同步后， 就开始恢复之前的数据连接及数据传输；  If the access node A decides to let the terminal 1 follow the own access node for carrier frequency adjustment, the access node A sends the carrier frequency adjustment information to the terminal 1 through the dedicated signaling; after receiving the carrier frequency adjustment information, the terminal 1 receives the carrier frequency adjustment information. The carrier frequency adjustment effective time information adjusts the working carrier frequency to the carrier frequency 2 at the corresponding time, and then the terminal 1 accesses the access node A using the carrier frequency 2, for example, after the uplink and downlink synchronization can be completed by using the contention-based random access. , start to restore the previous data connection and data transmission;
如果接入节点 A决定让终端 1切换到其他接入节点， 则接入节点 A可 要求终端 2发起对相邻的接入节点的扫描测量， 然后找出合适的相邻接入 节点如接入节点 B作为目标接入节点， 然后终端切换到目标接入节点 B; 可选的， 在此过程中， 接入节点 A可将终端 2的上下文信息发送到接入节 点 B , 以加速终端 2的切换。  If the access node A decides to have the terminal 1 switch to another access node, the access node A may request the terminal 2 to initiate a scan measurement of the neighboring access node, and then find a suitable neighboring access node such as access. Node B serves as the target access node, and then the terminal switches to the target access node B. Optionally, in this process, the access node A can send the context information of the terminal 2 to the access node B to accelerate the terminal 2 Switch.
应用实例 5:  Application example 5:
接入节点 A工作在载频 1 , 服务若干终端， 如终端 1 , 终端 2等。 接入节点 A测量多个载频上的能量信息，和 /或接入节点 A通过控制消 息通知其下属的终端测量多个载频上的能量信息后反馈给接入节点 A; 接入节点 A基于上述能量信息发现载频 1干扰较大， 而载频 2干扰较 小， 从而决定调整到载频 2作为工作载频。 接入节点 A广播发送相邻接入 节点信息给终端， 要求所服务终端对其进行测量并上报测量结果； 接入节 点 A根据终端上报的测量结果判断对不同终端的处理方式。 The access node A operates at carrier frequency 1 and serves a number of terminals, such as terminal 1, terminal 2, and the like. The access node A measures the energy information on the multiple carrier frequencies, and/or the access node A notifies the subordinate terminal to measure the energy information on the multiple carrier frequencies through the control message, and then feeds back to the access node A; the access node A Based on the above energy information, it is found that the carrier frequency 1 has a large interference, and the carrier frequency 2 has a small interference, thereby determining to adjust to the carrier frequency 2 as the working carrier frequency. Access node A broadcasts neighboring access The node information is sent to the terminal, and the served terminal is required to measure and report the measurement result. The access node A determines the processing mode of the different terminal according to the measurement result reported by the terminal.
如果接入节点 A决定让终端 1跟随本接入节点进行载频调整， 则接入 节点 A通过专有信令发送载频调整信息给终端 1 , 终端 1收到载频调整信 息后^ ^据载频调整生效时间信息在相应的时间调整工作载频到载频 2,然后 终端 1在载频 2接入到接入节点 A, 例如， 可采用基于竟争的随机接入完 成上下行同步后， 就开始恢复之前的数据连接及数据传输；  If the access node A decides to let the terminal 1 follow the own access node for carrier frequency adjustment, the access node A sends the carrier frequency adjustment information to the terminal 1 through the dedicated signaling, and the terminal 1 receives the carrier frequency adjustment information. The carrier frequency adjustment effective time information adjusts the working carrier frequency to the carrier frequency 2 at the corresponding time, and then the terminal 1 accesses the access node A at the carrier frequency 2. For example, after the uplink and downlink synchronization can be completed by using the contention-based random access , start to restore the previous data connection and data transmission;
如果接入节点 A决定让终端 1切换到其他接入节点， 则接入节点 A根 据终端的测量上报找出合适的相邻接入节点如接入节点 B作为目标接入节 点， 然后主动发起切换请求终端切换到目标接入节点 B, 可选的在此过程 中，接入节点 A可将终端 1的上下文信息发送到接入节点 B, 以加速终端 1 的切换。  If the access node A decides to switch the terminal 1 to another access node, the access node A finds a suitable neighboring access node, such as the access node B, as the target access node according to the measurement report of the terminal, and then initiates the handover actively. The requesting terminal switches to the target access node B. Optionally, in this process, the access node A may send the context information of the terminal 1 to the access node B to accelerate the handover of the terminal 1.
一种接入节点调整载频的处理系统， 该系统包括： 信息发送单元和处 理单元； 其中，  A processing system for adjusting an carrier frequency of an access node, the system comprising: an information sending unit and a processing unit; wherein
信息发送单元， 用于发送载频调整信息给处理单元；  An information sending unit, configured to send carrier frequency adjustment information to the processing unit;
处理单元， 用于在收到信息发送单元发来的载频调整信息给终端的情 况下， 根据接收到的所述载频调整信息进行对应的处理。  The processing unit is configured to perform corresponding processing according to the received carrier frequency adjustment information when receiving the carrier frequency adjustment information sent by the information sending unit to the terminal.
这里， 所述根据接收到的所述载频调整信息进行对应的处理， 包括以 下两种具体实现：  Here, the corresponding processing according to the received carrier frequency adjustment information includes the following two specific implementations:
具体实现 1 : 所述处理单元， 具体用于在自身决策处理模式的情况下， 决定进行载频调整时， 根据所述载频调整信息进行载频调整； 决定进行切 换时， 主动发起切换到其他接入节点的操作。  Specifically, the processing unit is specifically configured to perform carrier frequency adjustment according to the carrier frequency adjustment information when determining a carrier frequency adjustment in a self-decision processing mode, and initiate a handover to another when determining to perform handover. The operation of the access node.
具体实现 2: 所述信息发送单元， 进一步用于决策处理单元的处理模式 为需要进行载频调整或需要进行切换， 当决策的处理模式为需要进行载频 调整时， 通知处理单元根据所述载频调整信息进行载频调整； 当决策的处 理模式为需要进行切换时， 向处理单元发送将本终端切换到其他接入节点 的指令； The specific implementation 2: the information sending unit is further configured to: the processing mode of the decision processing unit is that the carrier frequency adjustment needs to be performed or needs to be switched. When the processing mode of the decision is that the carrier frequency adjustment needs to be performed, the notification processing unit is configured according to the loading Frequency adjustment information for carrier frequency adjustment; when decision making When the mode is required to be switched, an instruction to switch the terminal to another access node is sent to the processing unit;
相应的， 所述处理单元， 具体用于接收由信息发送单元发来根据所述 载频调整信息进行载频调整的通知， 根据所述载频调整信息进行载频调整； 以及接收信息发送单元发来的将本终端切换到其他接入节点的指令， 主动 发起将本终端切换到其他接入节点的操作。  Correspondingly, the processing unit is configured to receive, by the information sending unit, a notification that the carrier frequency adjustment is performed according to the carrier frequency adjustment information, perform carrier frequency adjustment according to the carrier frequency adjustment information, and send the information sending unit The instruction to switch the terminal to another access node to initiate the operation of switching the terminal to another access node is initiated.
所述信息发送单元， 还用于根据当前管理的各个载频的能量信息确定 需要调整载频。  The information sending unit is further configured to determine, according to energy information of each carrier frequency currently managed, that the carrier frequency needs to be adjusted.
所述信息发送单元， 进一步用于通过广播或专有信令的方式将所述载 频调整信息发送给处理单元。  The information sending unit is further configured to send the carrier adjustment information to the processing unit by means of broadcast or proprietary signaling.
所述处理单元， 进一步用于当本终端主动发起切换到其他接入节点操 作的情况下， 对相邻接入节点进行测量， 将对相邻接入节点测量结果发送 给信息发送单元， 接收信息发送单元发来的切换到目标接入节点的通知； 相应的， 所述信息发送单元， 具体用于根据处理单元发来的测量结果为终 端选择合适的目标接入节点， 并通知处理单元切换到目标接入节点， 将上 下文信息发送给目标接入节点。  The processing unit is further configured to: when the terminal initiates a handover to another access node, perform measurement on the neighboring access node, and send the measurement result of the neighboring access node to the information sending unit to receive the information. The notification sent by the sending unit to the target access node; correspondingly, the information sending unit is specifically configured to select a suitable target access node for the terminal according to the measurement result sent by the processing unit, and notify the processing unit to switch to The target access node sends the context information to the target access node.
所述信息发送单元， 进一步用于当决策的处理模式为需要进行切换时， 通知处理单元开始进行测量， 并上报测量结果， 根据测量结果选择合适的 目标接入节点、 将终端的上下文信息发送给目标接入节点， 通知处理单元 进行切换到目标接入节点； 相应的， 所述处理单元， 进一步用于由接入节 点确定了需要进行切换的终端并主动发起将终端切换到其他接入节点操作 的情况下， 接收信息处理单元发来的开始进行测量的通知， 向信息发送单 元上报的测量结果， 根据信息发送单元发来的切换到目标接入节点的通知 后， 切换到目标接入节点。  The information sending unit is further configured to: when the processing mode of the decision is that the switching needs to be performed, the notification processing unit starts to perform measurement, and reports the measurement result, selects an appropriate target access node according to the measurement result, and sends the context information of the terminal to the The target access node, the notification processing unit performs handover to the target access node. Correspondingly, the processing unit is further configured to: determine, by the access node, the terminal that needs to perform handover, and initiate an operation to switch the terminal to another access node. In the case of the notification that the measurement is started by the information processing unit, the measurement result reported to the information transmitting unit is switched to the target access node according to the notification of the handover to the target access node by the information transmitting unit.
上述信息发送单元可以安装在接入节点， 处理单元可以安装在终端中。 以上所述， 仅为本发明的较佳实施例而已， 并非用于限定本发明的保 护范围。 The above information sending unit may be installed at an access node, and the processing unit may be installed in the terminal. The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention.

Claims

权利要求书 Claim
1、 一种接入节点调整载频的处理方法， 其特征在于， 该方法包括： 接入节点发送载频调整信息给终端；  A method for processing an access node to adjust a carrier frequency, the method comprising: the access node transmitting carrier frequency adjustment information to the terminal;
所述终端根据接收到的所述载频调整信息进行对应的处理。  The terminal performs corresponding processing according to the received carrier frequency adjustment information.
2、 根据权利要求 1所述的方法， 其特征在于， 所述接入节点发送载频 调整信息给终端之前， 该方法还包括： 接入节点根据当前管理的各个载频 的能量信息确定需要调整载频。  The method according to claim 1, wherein before the sending node sends the carrier frequency adjustment information to the terminal, the method further includes: determining, by the access node, that the energy needs to be adjusted according to the currently managed energy information of each carrier frequency Carrier frequency.
3、 根据权利要求 1所述的方法， 其特征在于， 由终端自身决策处理模 式时， 所述终端根据接收到的所述载频调整信息进行对应的处理包括： 如 果终端决定进行载频调整， 则终端根据所述载频调整信息进行载频调整； 如果终端决定进行切换， 则终端主动发起切换到其他接入节点的操作。  The method according to claim 1, wherein when the terminal itself determines the processing mode, the terminal performs corresponding processing according to the received carrier frequency adjustment information, including: if the terminal decides to perform carrier frequency adjustment, Then, the terminal performs carrier frequency adjustment according to the carrier frequency adjustment information; if the terminal decides to perform handover, the terminal actively initiates an operation of switching to another access node.
4、 根据权利要求 1所述的方法， 其特征在于， 由接入节点决策终端的 处理模式时， 所述终端根据接收到的所述载频调整信息进行相对应的处理 包括： 如果接入节点决定终端需要进行载频调整， 则所述终端根据所述载 频调整信息进行载频调整； 如果接入节点决定终端需要进行切换， 则接入 节点主动发起将终端切换到其他接入节点的操作。  The method according to claim 1, wherein when the access node determines the processing mode of the terminal, the terminal performs corresponding processing according to the received carrier frequency adjustment information, including: if the access node Determining that the terminal needs to perform carrier frequency adjustment, the terminal performs carrier frequency adjustment according to the carrier frequency adjustment information; if the access node determines that the terminal needs to perform handover, the access node actively initiates an operation of switching the terminal to another access node. .
5、 根据权利要求 1所述的方法， 其特征在于， 所述载频调整信息， 包 括： 接入节点选择采用的工作频率和调整生效时间。  The method according to claim 1, wherein the carrier frequency adjustment information comprises: an operating frequency selected by the access node and an adjustment effective time.
6、 根据权利要求 1所述的方法， 其特征在于， 所述接入节点发送载频 调整信息给终端， 包括： 接入节点通过广播或专有信令的方式将所述载频 调整信息发送给终端。  The method according to claim 1, wherein the access node sends carrier frequency adjustment information to the terminal, including: the access node sends the carrier frequency adjustment information by means of broadcast or proprietary signaling Give the terminal.
7、 根据权利要求 1所述的方法， 其特征在于， 所述接入节点发送载频 调整信息给终端之前， 该方法还包括： 接入节点发送邻区信息给终端， 终 端根据所述邻区信息对相邻接入节点进行扫描测量。  The method according to claim 1, wherein, before the sending node sends the carrier frequency adjustment information to the terminal, the method further includes: the access node sends the neighboring area information to the terminal, and the terminal according to the neighboring area Information is scanned for neighboring access nodes.
8、 根据权利要求 3所述的方法， 其特征在于， 所述终端主动发起切换 到其他接入节点的操作， 包括： 终端根据对相邻接入节点测量结果， 选择 合适的目标接入节点， 并发起到目标接入节点的切换； 接入节点在终端切 换时将终端的上下文信息发送给目标接入节点。 The method according to claim 3, wherein the terminal actively initiates handover The operation to the other access nodes includes: the terminal selects a suitable target access node according to the measurement result of the neighboring access node, and initiates a handover to the target access node; the access node sets the context of the terminal when the terminal switches Information is sent to the target access node.
9、 根据权利要求 4所述的方法， 其特征在于， 所述如果接入节点决定 终端需要进行切换， 则接入节点主动发起将终端切换到其他接入节点的操 作， 包括： 接入节点根据终端上报的测量结果， 为终端选择合适的目标接 入节点， 并主动发起将终端切换到目标接入节点； 接入节点在终端切换时 将终端的上下文信息发送给目标接入节点。  The method according to claim 4, wherein: if the access node determines that the terminal needs to perform handover, the access node actively initiates an operation of switching the terminal to another access node, including: The measurement result reported by the terminal selects a suitable target access node for the terminal, and actively initiates handover of the terminal to the target access node; the access node sends the context information of the terminal to the target access node when the terminal switches.
10、 根据权利要求 6所述的方法， 其特征在于， 所述接入节点通过广 播或专有信令的方式将所述载频调整信息发送给终端， 包括： 接入节点确 定需要调整载频的终端， 将载频调整信息仅发送给相应的需要调整载频的 所述终端， 或接入节点发送专有前导信息给所述终端；  The method according to claim 6, wherein the access node sends the carrier frequency adjustment information to the terminal by means of broadcast or dedicated signaling, including: the access node determines that the carrier frequency needs to be adjusted. The terminal transmits the carrier frequency adjustment information only to the corresponding terminal that needs to adjust the carrier frequency, or the access node sends the proprietary preamble information to the terminal;
相应的， 终端根据载频调整信息进行对应的载频调整。  Correspondingly, the terminal performs corresponding carrier frequency adjustment according to the carrier frequency adjustment information.
11、 根据权利要求 1或 10所述的方法， 其特征在于， 所述终端根据载 频调整信息进行对应的载频调整， 包括：  The method according to claim 1 or 10, wherein the terminal performs corresponding carrier frequency adjustment according to the carrier frequency adjustment information, including:
如果终端收到所述专有前导信息， 则终端使用专有前导进行非竟争的 随机接入到之前已进行载频调整的接入节点； 如果终端没有收到所述专有 前导信息， 则终端进行基于竟争的随机接入到之前已进行载频调整的接入 节点？  If the terminal receives the proprietary preamble information, the terminal uses the proprietary preamble to perform non-contention random access to the access node that has previously undergone carrier frequency adjustment; if the terminal does not receive the proprietary preamble information, Does the terminal perform random access based on contention to an access node that has previously undergone carrier frequency adjustment?
终端完成随机接入后， 恢复与之前已进行载频调整的接入节点之间的 数据连接。  After the terminal completes the random access, it restores the data connection with the access node that has previously performed carrier frequency adjustment.
12、 一种接入节点调整载频的处理系统， 其特征在于， 该系统包括： 信息发送单元和处理单元； 其中，  12. A processing system for adjusting an carrier frequency of an access node, the system comprising: an information sending unit and a processing unit;
信息发送单元， 用于发送载频调整信息给终端的处理单元；  An information sending unit, configured to send carrier frequency adjustment information to a processing unit of the terminal;
处理单元， 用于根据接收到的接入节点的信息发送单元发来的所述载 频调整信息进行对应的处理。 a processing unit, configured to send the message according to the received information of the access node The frequency adjustment information is processed correspondingly.
13、 根据权利要求 12所述的系统， 其特征在于，  13. The system of claim 12, wherein
所述信息发送单元， 还用于根据当前管理的各个载频的能量信息确定 需要调整载频。  The information sending unit is further configured to determine, according to energy information of each carrier frequency currently managed, that the carrier frequency needs to be adjusted.
14、 根据权利要求 12所述的系统， 其特征在于，  14. The system of claim 12, wherein:
所述处理单元， 进一步用于由终端自身决策处理模式的情况下， 决定 进行载频调整时， 根据所述载频调整信息进行载频调整； 决定进行切换时， 主动发起切换到其他节点的操作。  The processing unit is further configured to: when determining the carrier frequency adjustment mode, determine carrier frequency adjustment according to the carrier frequency adjustment information when determining carrier frequency adjustment; and initiate an operation of switching to another node when determining to perform handover .
15、 根据权利要求 12所述的系统， 其特征在于，  15. The system of claim 12, wherein
所述信息发送单元， 进一步用于决策处理单元的处理模式为需要进行 载频调整或需要进行切换， 当决策的处理模式为需要进行载频调整时， 通 知处理单元根据所述载频调整信息进行载频调整； 当决策的处理模式为需 要进行切换时， 向处理单元发送将该终端切换到其他接入节点的指令； 相应的， 所述处理单元， 进一步用于接收由信息发送单元发来根据所 述载频调整信息进行载频调整的通知， 以及接收由信息发送单元发来的将 本终端切换到其他接入节点的指令。  The information sending unit is further configured to: the processing mode of the decision processing unit is that the carrier frequency adjustment needs to be performed or needs to be switched. When the processing mode of the decision is that the carrier frequency adjustment needs to be performed, the notification processing unit performs the carrier frequency adjustment information according to the carrier frequency adjustment information. Carrier frequency adjustment; when the processing mode of the decision is that handover is required, the processing unit is configured to send an instruction to switch the terminal to another access node; correspondingly, the processing unit is further configured to receive, by the information sending unit, The carrier frequency adjustment information performs notification of carrier frequency adjustment, and receives an instruction sent by the information transmitting unit to switch the terminal to another access node.
16、 根据权利要求 12所述的系统， 其特征在于，  16. The system of claim 12, wherein
所述信息发送单元， 具体用于将选择采用的工作频率和调整生效时间 编写成载频调整信息。  The information sending unit is specifically configured to write the selected operating frequency and the adjustment effective time into carrier frequency adjustment information.
17、 根据权利要求 12所述的系统， 其特征在于，  17. The system of claim 12, wherein:
所述信息发送单元， 进一步用于通过广播或专有信令的方式将所述载 频调整信息发送给处理单元。  The information sending unit is further configured to send the carrier adjustment information to the processing unit by means of broadcast or proprietary signaling.
18、 根据权利要求 14所述的系统， 其特征在于，  18. The system of claim 14 wherein:
所述处理单元， 进一步用于主动发起切换到其他接入节点操作的情况 下， 对相邻接入节点进行测量， 将对相邻接入节点测量结果发送给信息发 送单元， 接收信息发送单元发来的切换到目标接入节点的通知， 根据该通 知进行切换； The processing unit is further configured to: when the initiative initiates the handover to the operation of the other access node, perform measurement on the neighboring access node, and send the measurement result of the neighboring access node to the information transmission. a sending unit, receiving a notification sent by the information sending unit to switch to the target access node, and switching according to the notification;
相应的， 所述信息发送单元， 进一步用于根据处理单元发来的测量结 果选择合适的目标接入节点， 并通知处理单元切换到目标接入节点， 将上 下文信息发送给目标接入节点。  Correspondingly, the information sending unit is further configured to select an appropriate target access node according to the measurement result sent by the processing unit, and notify the processing unit to switch to the target access node, and send the context information to the target access node.
19、 根据权利要求 15所述的系统， 其特征在于，  19. The system of claim 15 wherein:
所述信息发送单元， 进一步用于当决策的处理模式为需要进行切换时， 通知处理单元开始进行测量， 并上报测量结果， 根据测量结果选择合适的 目标接入节点、 将终端的上下文信息发送给目标接入节点， 通知处理单元 进行切换到目标接入节点；  The information sending unit is further configured to: when the processing mode of the decision is that the switching needs to be performed, the notification processing unit starts to perform measurement, and reports the measurement result, selects an appropriate target access node according to the measurement result, and sends the context information of the terminal to the a target access node, the notification processing unit performs handover to the target access node;
相应的， 所述处理单元， 进一步用于由接入节点确定了需要进行切换 的终端并主动发起将终端切换到其他接入节点操作的情况下， 接收信息处 理单元发来的开始进行测量的通知， 向信息发送单元上报的测量结果， 根 据信息发送单元发来的切换到目标接入节点的通知后， 切换到目标接入节 点。  Correspondingly, the processing unit is further configured to: when the access node determines the terminal that needs to perform handover and initiate the operation of switching the terminal to another access node, receiving the notification that the information processing unit starts to perform measurement The measurement result reported to the information transmitting unit is switched to the target access node according to the notification sent by the information sending unit to the target access node.
20、 根据权利要求 12所述的系统， 其特征在于，  20. The system of claim 12, wherein:
所述处理单元， 位于终端上； 所述信息发送单元， 位于接入节点上。  The processing unit is located on the terminal; the information sending unit is located on the access node.
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