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WO2016023235A1 - Procédé, appareil et système de programmation de dispositif d'utilisateur - Google Patents

Procédé, appareil et système de programmation de dispositif d'utilisateur Download PDF

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Publication number
WO2016023235A1
WO2016023235A1 PCT/CN2014/084551 CN2014084551W WO2016023235A1 WO 2016023235 A1 WO2016023235 A1 WO 2016023235A1 CN 2014084551 W CN2014084551 W CN 2014084551W WO 2016023235 A1 WO2016023235 A1 WO 2016023235A1
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WO
WIPO (PCT)
Prior art keywords
user equipment
node
information
frequency
related information
Prior art date
Application number
PCT/CN2014/084551
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English (en)
Chinese (zh)
Inventor
左勇
熊芝兰
杨红卫
Original Assignee
上海贝尔股份有限公司
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 上海贝尔股份有限公司 filed Critical 上海贝尔股份有限公司
Priority to PCT/CN2014/084551 priority Critical patent/WO2016023235A1/fr
Priority to CN201480080573.8A priority patent/CN106489279B/zh
Publication of WO2016023235A1 publication Critical patent/WO2016023235A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method, apparatus, and system for scheduling user equipment. Background technique
  • CS Coordinated Scheduling
  • FRR Fractional Frequency Reuse
  • a method for providing cooperation related information to a second node in a first node comprises the following steps: a. for each user equipment in at least one user equipment, Acquiring the frequency efficiency of the user equipment on each of the frequency reuse areas available to the user equipment, wherein the at least one user equipment is attached to the second node; b. according to the spectrum efficiency of the at least one user equipment, Determining collaboration related information for the second node, the collaboration related information being usable by the second node to schedule the at least one user equipment; c providing the collaboration related information to the second node.
  • a method for scheduling a user equipment attached to the second node in a second node is further provided, wherein the method includes Next steps:
  • a first apparatus for providing cooperation related information to a second node in a first node wherein the first apparatus comprises the following:
  • a first obtaining means configured to obtain, for each user equipment of the at least one user equipment, a spectral efficiency of the user equipment on each frequency reuse area available to the user equipment, where the at least one user equipment is attached to the On the second node;
  • a first determining means configured to determine, according to a spectrum efficiency of the at least one user equipment, collaboration related information for the second node, where the cooperation related information can be used by the second node to schedule the at least one user Equipment
  • a second apparatus for scheduling a user equipment attached to the second node in a second node wherein the second apparatus comprises the following means:
  • a sending device configured to send downlink measurement information of the at least one user equipment attached to the second node to the first node, or each user equipment in the at least one user equipment is multiplexed at each frequency available to the user equipment Spectral efficiency over the area;
  • the second receiving device is configured to receive the collaboration related information that is fed back by the first node, and the scheduling device is configured to schedule the at least one user device according to the collaboration related information.
  • the present invention has the following advantages: 1) Supporting, in the first node, determining the cooperation for the second node based on the spectral efficiency of each user equipment in each of the available spectrum multiplexing regions. Scheduling collaboration related information, so that the second node can perform scheduling of the user equipment according to the collaboration related information; 2) can not change the basis of the existing protocol Coordinate information is transmitted between the first node and the second node based on the existing X2 signaling; 3) scheduling based on the cooperation related information, which can optimize the frequency resource division in the OFDM system and the users in different partitions
  • the effects of selection, load balancing, and power conditioning, etc. can result in significant cell average gain and cell edge gain.
  • FIG. 1 is a schematic flowchart of a method for scheduling a user equipment according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a method for scheduling a user equipment according to another embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a system for scheduling a user equipment according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a system for scheduling user equipment according to another embodiment of the present invention.
  • FIG. 1 is a schematic flowchart of a method for scheduling a user equipment according to an embodiment of the present invention.
  • the method in this embodiment is implemented by using the first node and the second node, where the first node and the second node belong to the same CoMP (Coordinated Multiple Points) cluster.
  • the first node is preferably a node that initiates a coordinated transmission; in a centralized CoMP network architecture, the first node includes, but is not limited to, a central node (CN, Central Node) of the centralized CoMP network architecture; In a distributed CoMP network architecture, the first node may be any node in the distributed network.
  • the second node is preferably a section that accepts cooperative transmission initiated by the first node Point, and the second node may be any node other than the first node in the current network structure.
  • the network where the first node and the second node are located is an LTE-A (LTE-Advanced) network or a subsequent upgrade network; more preferably, in a centralized CoMP network architecture, the The two nodes are eNBs (evolved Node Bs) in the LTE-A network; in the distributed CoMP network architecture, the first node and the second node are all eNBs in the LTE-A network (evolved Node B) , evolved base station).
  • LTE-A LTE-Advanced
  • eNBs evolved Node Bs
  • nodes and the network are only examples, and other existing or future possible nodes and networks, as applicable to the present invention, are also included in the scope of the present invention and are incorporated herein by reference. .
  • the method according to this embodiment includes step S1, step S2, step S3, step S4, step S5, and step S6.
  • the second node sends downlink measurement information of the at least one user equipment attached to the second node to the first node, or sends each user equipment in the at least one user equipment attached to the second node.
  • SE Spectrum Efficiency
  • FR Frequency Reuse
  • the second node calculates, according to the downlink measurement information from the user equipment, each frequency that the user equipment is available to. Spectral efficiency over the multiplexed area.
  • the first node in the embodiment shown in FIG. 2 determines, according to the downlink measurement information of the user equipment, that the spectrum efficiency of the user equipment on each frequency reuse region that is available to the user equipment is the same or similar. It will not be detailed here.
  • the at least one user equipment is an active user equipment attached to the user equipment of the second node.
  • the downlink measurement information includes any information that the user equipment measures for the downlink and can be used to calculate the spectrum efficiency.
  • the downlink measurement information includes but is not limited to:
  • Reference signal received power measured by the user equipment ( Reference Signal Receiving Power, RSRP).
  • the user equipment may report its measured RSRP to the second node periodically or non-periodically.
  • each user equipment includes at most 9 signal strength information (SPI) based on the RSRP signaling of the X2 interface, where the 9 signal strength information are respectively from a serving cell and 8 mains of the user equipment. A neighboring cell.
  • SPI signal strength information
  • CSI Channel State Information measured by the user equipment on the system bandwidth
  • the downlink channel state information includes but not limited to - CQI (Channel Quality Indicator), PMI (Precoding) Matrix Indicator, precoding matrix indication), RI ( Rank Indication, rank indication), etc.
  • the downlink measurement information includes downlink channel state information measured by the user equipment on each subband of the 9 subbands.
  • the spectrum multiplexing area is an area that can be used for spectrum multiplexing in a system bandwidth; preferably, one system bandwidth can correspond to multiple frequency multiplexing areas; more preferably, frequency multiplexing available on one system bandwidth
  • the area is two.
  • the frequency multiplexing region may correspond to multiple subbands included in the system bandwidth, and the subbands corresponding to each frequency multiplexing region are different; wherein the number of subbands in each frequency region may be based on the total system bandwidth.
  • the number of subbands, as well as the ratio information between the predefined frequency reuse regions, is determined. For example, the bandwidth of the LTE system is 10M, and the bandwidth corresponds to 9 subbands. It is assumed that the CoMP cluster adopts a centralized network architecture.
  • the centralized network structure has three second nodes.
  • the available spectrum multiplexing area of the system is FR1 and FR3; where FR1 is a frequency reuse region corresponding to when the three second nodes participate in cooperation, and FR3 is a spectrum multiplexing region corresponding to when the three second nodes do not participate in cooperation, and the first node (that is, the concentration)
  • the ratio information between the predefined frequency reuse regions FR1 and FR3 in the central node of the network structure is 2:1, then it can be determined that FR1 corresponds to 6 subbands of the 9 subbands, and FR3 corresponds to the 9 sub-bands The other 3 sub-bands in the band.
  • the second node may send the spectrum efficiency to the first node in multiple manners, for example, adding the spectrum efficiency to existing signaling (such as a measurement report) to send the first node to the first node.
  • frequency efficiency can be defined; for example, new signaling can be defined for transmitting the spectral efficiency between the first node and the second node.
  • step S2 for each of the at least one user equipment, the first node acquires the spectral efficiency of the user equipment on each of the frequency reuse regions available to the user equipment.
  • the manner in which the first node obtains the spectrum efficiency of the user equipment on each frequency reuse area available to it includes, but is not limited to:
  • the second node sends the spectrum efficiency in step S1, then in step S2, for each user equipment in the at least one user equipment, the first node directly acquires each of the user equipments provided by the second node Spectral efficiency over frequency multiplexed regions.
  • step S2 The second node sends downlink measurement information in step S1, then in step S2, the first node receives downlink measurement information of at least one user equipment sent by the second node, and, for each user in the at least one user equipment
  • the device the first node determines, according to the downlink measurement information of the user equipment, the frequency efficiency of the user equipment on each frequency reuse area that is available to the user equipment.
  • step S3 the first node determines collaboration related information for the second node according to the spectral efficiency of the at least one user equipment.
  • the first node performs an algorithm for cooperative scheduling according to the spectral efficiency of the at least one user equipment to determine collaboration related information for the second node.
  • the collaboration related information includes any information that can be used for cooperative scheduling of the second node, and the collaboration related information can be used by the second node to schedule the at least one user equipment.
  • the collaboration related information includes but is not limited to:
  • the allocation information of the frequency multiplexing area is used to indicate the at least one user.
  • the at least one user equipment includes a user equipment
  • the frequency multiplexing area available to the user equipment includes FR1 and FR3
  • the allocation information is used to indicate that UE1 and UE2 are allocated to FR1
  • UE3 is allocated to FR3.
  • the same frequency is the system bandwidth used by the CoMP cluster.
  • the ratio information is used to indicate a ratio between the number of subbands corresponding to the frequency multiplexing region.
  • the ratio information between the frequency multiplexing regions FR1 and FR3 indicates the number of subbands corresponding to FR1 and FR3.
  • the ratio is 2:1.
  • the low power spectrum multiplexing area is used to indicate a low power area in a frequency multiplexing area corresponding to when all nodes do not participate in cooperation.
  • the corresponding frequency reuse area is the frequency division multiplexing area FR3, and the FR3 is divided into a high power area and a low power area according to the power threshold, and when the low power area is used, the first node Determining the usage of the low-power area,
  • collaboration related information is only an example, and those skilled in the art should understand that any information that can be used for cooperative scheduling of the second node should be included in the scope of the collaboration related information according to the present invention.
  • step S4 the first node provides the collaboration related information to the second node.
  • the implementation manner in which the first node provides the collaboration related information to the second node includes but is not limited to:
  • the cooperation related information includes allocation information of a frequency reuse area
  • the first node provides benefit indicator information including the allocation information to the second node.
  • the first node provides the second node with the benefit indicator including the allocation information based on the existing X2 signaling used to send the benefit metric (BM) information.
  • BM benefit metric
  • the bit in the benefit indicator information corresponds to the user equipment, and the value on the bit identifies the frequency reuse region of the user equipment allocated to the bit.
  • the first node acquires the spectrum efficiency of the user equipments UE1, UE2, and UE3 on the frequency multiplex areas FR1 and FR3, respectively, where the number after the "UE" is used to indicate the ID of the user equipment ( IDentification), such as "1" in "UE1” is used to indicate that the ID of the user equipment is 1; in step S3, the first node determines the allocation information of the spectrum multiplexing areas FR1 and FR3 according to the above spectral efficiency.
  • step S4 the first node converts the benefit indicator information to be added to the allocation information into a binary number, and uses the IDs of the user equipments to determine a bit corresponding to the user equipment, such as the last bit of the binary number.
  • the bit corresponds to the UE1, the second last bit corresponds to the UE2, and the third last bit corresponds to the UE3; and the first node sets the value on the bit corresponding to each user equipment according to the allocation information, such as when setting When the value of the bit is "0", the user equipment corresponding to the bit is allocated to FR1, and when the value of the bit is "1", the user equipment corresponding to the bit is allocated to FR3;
  • the first node converts the binary number into a decimal number, and provides the second node with the benefit indicator information including the allocation information based on the existing X2 signaling for transmitting the benefit indicator information.
  • one benefit indicator information may be associated with one or more CoMP settings to quantify the expected benefit in collaborative scheduling; if the first node provides benefit indicator information to the second node, the benefit indicator information may be It is always provided to the second node in conjunction with the CoMP settings.
  • the benefit indicator information may be determined based on the downlink measurement information, and the information granularity of the downlink channel state information may be a broadband or a subband, and the information granularity of the RSRP is a wideband. Therefore, as another solution of the implementation manner, the enhanced The benefit indicator information, the optional information granularity of the enhanced benefit indicator information includes a PRB level or a broadband level to support an associated CoMP setting for providing cooperation related information to the second node in this embodiment.
  • the cooperation related information includes between frequency reuse regions based on the same frequency Proportional information, and/or usage information for low power frequency reuse regions.
  • the first node adds the ratio information and/or the usage information to the CoMP settings and provides the CoMP settings to the second node.
  • the CoMP setting is used to configure CoMP transmission, and multiple formats of CoMP settings are pre-defined in the protocol adopted by the CoMP network architecture.
  • the first node adds the ratio information and/or the usage information to a predefined CoMP setting format to generate a specific CoMP setting, and provides the CoMP setting to the second node; preferably, the The information granularity of the CoMP setting is a PRB (Physical Resource Block) level or a broadband level.
  • PRB Physical Resource Block
  • the cooperation related information includes channel state information of each user equipment on each subband, and the cooperation related information includes usage information of a low power frequency reuse area.
  • the first node provides the usage information to the second node by transmitting enhanced RNTP signaling to the second node.
  • the information granularity of the enhanced RNTP signaling is extended to the frequency domain or the time domain, and may be information; preferably, the frequency or time indicated by the enhanced RNTP signaling may be through the first node and the second node.
  • a status report is sent between the exchange of the indicated frequency or time, the use of the low power frequency reuse region.
  • the first node determines the usage information of the low power region and provides it as part of the collaboration related information or the collaboration related information. Give the second node.
  • the first node may determine a low power region in the frequency division multiplexing region in a plurality of manners to make a power allocation decision. For example, the first node may obtain a power threshold according to enhanced RNTP signaling from the second node, and determine a low power region in the frequency division multiplexing region in real time according to the power threshold to make a power allocation decision; for example, The first node may determine a low power region in the frequency division multiplex region based on a predefined power threshold to make a power allocation decision.
  • the first node can make a power allocation decision for the node it controls, and through the CoMP setting of the load information message. Sending the decision to all second nodes in the network architecture; in the distributed CoMP network architecture, the first node may make a power allocation decision for the first node itself, and the CoMP setting of the load information message Decide to send to the adjacent second node.
  • the first node uses the existing X2 signaling to provide cooperation related information to the second node, but those skilled in the art should understand that the first node and the second node may be used.
  • New signaling is defined between to provide collaboration related information from the first node to the second node.
  • a definition of a signaling format of the allocation information may be added, and the first node may use the signaling format to provide the allocation information to the second node.
  • the first node adopts the above implementation manner 1) to provide the second node with the benefit indicator information including the allocation information, and uses the above implementation manner 2) to provide the second node with the CoMP setting to which the proportion information and the usage information are added;
  • the first node may use the foregoing implementation manner 1) to provide the second node with the benefit indicator information including the allocation information, and adopt the foregoing implementation manner.
  • step S5 the second node receives the collaboration related information fed back by the first node.
  • step S6 the second node schedules the at least one user equipment according to the collaboration related information.
  • the implementation manner of scheduling, by the second node, the at least one user equipment according to the collaboration related information includes but is not limited to:
  • step S5 the second node receives the benefit indicator information including the allocation information; then in step S6, the second node performs the following steps: the second node converts the benefit indicator information into binary information; Binary information, obtaining allocation information of the frequency reuse region; the second node attaching to the second node according to the allocation information At least one user equipment performs scheduling.
  • the second node converts the received benefit indicator information into binary information, and according to the converted binary information, determines that the allocation information is used to indicate that the user equipment UE1 and UE2 are allocated to the FR1, and the user equipment UE3 is allocated to the FR3.
  • the second node performs cooperative scheduling on UE1, UE2, and UE3 according to the allocation information.
  • step S5 the second node receives the CoMP setting from the first node; then in step S6, the second node parses the CoMP setting according to the format definition of the CoMP setting, and obtains the frequency reuse region of the same frequency. Proportional information between, and/or, usage information for low power frequency reuse regions.
  • step S5 the second node receives the enhanced RNTP signaling from the first node; then in step S6, the second node parses the enhanced RNTP signaling to obtain usage information of the frequency reuse region.
  • the second node obtains the allocation information by using the foregoing implementation manner 1), and obtains the proportional information and the usage information by using the foregoing implementation manner 2), and then, the second node, according to the allocation information, the proportional information, and the usage information, Performing cooperative scheduling on the at least one user equipment; for example, the second node obtains the allocation information by using the foregoing implementation manner 1), and obtains the proportion information by using the foregoing implementation manner 2), and obtains the usage situation by using the foregoing implementation manner 3) And the second node performs cooperative scheduling on the at least one user equipment according to the allocation information, the proportion information, and the usage information.
  • the cooperation related information for the cooperative scheduling of the second node can be determined in the first node based on the spectral efficiency of each user equipment in each of the spectrum multiplexing regions available to the user equipment, Enabling the second node to perform scheduling of the user equipment according to the collaboration related information; and, the scheme may transmit the collaboration between the first node and the second node based on the existing X2 signaling without changing the existing protocol. Relevant information; and the scheduling based on cooperation related information in the scheme can optimize the frequency resource division in the OFDM system, user selection in different partitions, load balancing, and power adjustment.
  • the scheme of this implementation can bring significant gain to the system by evaluation in a standard 3GPP LTE system level simulation tool, for example, a cell average gain of up to 19.9% can be achieved, and a cell edge gain of more than 55.5%.
  • the gain brought by this scheme is related to the specific TX (output) number and the detailed design of CQI feedback, rank adaptation, OLC and HARQ.
  • the maximum number of available user equipment indicated in the benefit indicator information may affect the performance of the cooperative scheduling implemented in this embodiment.
  • FIG. 2 is a schematic flowchart of a method for scheduling a user equipment according to another embodiment of the present invention.
  • the method in this embodiment is mainly implemented by using the first node and the second node; wherein any descriptions made by referring to the first node and the second node in the embodiment shown in FIG. 1 are cited by way of reference. It is included in this embodiment.
  • the method according to this embodiment includes a step S1, a step S2, a step S3, a step S4, a step S5, and a step S6.
  • the step S2 further includes a step S21 and a step S22.
  • the steps S1, S2, S3, S4, S5, and S6 are described in detail in the embodiment shown in FIG.
  • step S1 the second node sends downlink measurement information of at least one user equipment attached to the second node to the first node.
  • the second node receives the at least one user equipment attached to the second node. Downlink measurement information of each user equipment, and sending downlink measurement information of each user equipment to the first node.
  • step S21 the first node receives downlink measurement information of the at least one user equipment from the second node.
  • the second node may report downlink measurement information to the first node periodically or non-periodically, for example, the second node sends the first node to the first node in a period of 120 ⁇ , 240 ⁇ , 480 ms, or 640 ⁇ seconds. Reporting the downlink measurement information; for example, the second node reports the downlink measurement information to the first node according to the request of the first node.
  • step S22 for each user equipment in the at least one user equipment, the first node determines, according to the downlink measurement information of the user equipment, the frequency efficiency of the user equipment on each frequency reuse region that is available to the user equipment. .
  • the first node determines, according to the downlink measurement information of the user equipment, the user equipment
  • the downlink measurement information of the user equipment includes the reference signal received power measured by the user equipment, and the first node determines the spectral efficiency of the user equipment on each of the frequency reuse regions available to the user equipment based on the reference signal received power.
  • the first node determines an average SINR (Signal to Interference plus Noise Ratio) of the user equipment on the frequency reuse region based on the reference signal received power.
  • the noise ratio is determined according to the average SINR to determine the frequency efficiency of the user equipment on the frequency reuse region.
  • the frequency multiplexing area available to the user equipment includes FR1 and FR3
  • the reference signal received power measured by the user equipment UE1 includes 9 signal strength information, respectively: Pi, ⁇ 2 , ..., ⁇ 9 , where
  • P 9 are signal strength information of 8 primary neighboring cells from UE1
  • the first node calculates the average SINR of UE1 on FR1 based on the following formula:
  • SINR pm ⁇ ⁇
  • the SINR is the average SINR of the UE1 on the FR1
  • the SINR is the average SINR of the UE1 on the FR3
  • ., _/ 2
  • ..., 9 is the signal strength information from the primary neighboring cell j, where, when UE1 When on FR1, the eight primary neighboring cells are all interfering cells of the serving cell of UE1; it is white noise power.
  • the first node calculates the average SINR of UE1 on FR3 based on the following formula:
  • the sum is the signal strength information from the primary neighboring cells 4 and 7; wherein, when the UE1 is on the FR3, the interfering cell of the serving cell of the UE1 includes the primary neighboring cell 4 and the primary neighboring cell 7.
  • the first node calculates the spectral efficiency of UE1 on FR1 and the spectral efficiency of UE1 on FR3 based on the following formula:
  • 8 £ is the frequency efficiency of UE1 on FR1; 8£ 3 ⁇ 43 is the frequency efficiency of UE1 on FR3.
  • the downlink measurement information of the user equipment includes downlink channel state information measured by the user equipment on the system bandwidth, or downlink channel state information measured by the user equipment on each subband, and the first node is based on the downlink channel state information.
  • the frequency efficiency of the user equipment on each of the frequency reuse regions available to it is determined.
  • the first node determines an average SINR of the user equipment on the frequency reuse region based on the downlink channel state information, and determines, according to the average SINR, that the user equipment is Frequency efficiency on the frequency reuse region.
  • the frequency multiplexing area available to the user equipment includes FR1 and FR3, and the first node according to the downlink channel state information measured by the user equipment UE1 on the system bandwidth, or the downlink channel measured by the user equipment on each subband.
  • State information to determine the average CQI of UE1 on FR1 and FR3, respectively, and determine the average SINR of UE1 on FR1 according to the average CQI of UE1 on FR1, that is, determine UE1 on FR3 according to the average CQI of UE1 on FR3.
  • 8 £ is the frequency efficiency of UE1 on FR1; 8£ 3 ⁇ 43 is the frequency efficiency of UE1 on FR3.
  • any user equipment in the at least one user equipment is The downlink measurement information of the user equipment, and the manner of determining the spectrum efficiency of the user equipment on each of the frequency reuse regions available to the user equipment are all included in the scope of the present invention.
  • the first node may determine, according to the downlink measurement information that it receives, the spectral efficiency of each user equipment in the at least one user equipment in each of the available spectrum multiplexing regions, without New signaling is defined between the first node and the second node to transmit the spectral efficiency, which can implement information transmission based on existing X2 signaling without changing the existing protocol.
  • FIG. 3 is a schematic structural diagram of a system for scheduling user equipment according to an embodiment of the present invention.
  • the system according to the present embodiment includes a first node and a second node, the first node comprising a first device, the first device comprising a first obtaining device 2, a first determining device 3 and a first providing device 4;
  • the second node comprises a second device comprising a transmitting device 1, a second receiving device 5 and a scheduling device 6.
  • the transmitting device 1 of the second node sends the downlink measurement information of the at least one user equipment attached to the second node to the first node, or sends the user equipment that is attached to the at least one user equipment attached to the second node.
  • the spectral efficiency on each frequency multiplexed region When the transmitting device 1 needs to transmit the spectrum efficiency, for each user equipment in the at least one user equipment, the sending device 1 calculates, according to the downlink measurement information from the user equipment, each frequency that the user equipment is available to. Spectral efficiency over the multiplexed area.
  • the second determining device 22 in the embodiment shown in FIG. 4 determines, according to the downlink measurement information of the user equipment, that each user equipment is available at each of its available frequencies, and the at least one user equipment is attached. In the user equipment of the second node Active user device.
  • the downlink measurement information includes any information that the user equipment measures for the downlink and can be used to calculate the spectrum efficiency.
  • the downlink measurement information includes but is not limited to:
  • the user equipment may report its measured RSRP to the second node periodically or non-periodically.
  • each user equipment includes up to nine signal strength information based on RSRP signaling of the X2 interface, the nine signal strength information being respectively from the serving cell of the user equipment and the eight primary neighboring cells.
  • downlink channel state information measured by the user equipment on the system bandwidth, where the downlink channel state information includes but is not limited to CQI, PMI, RI, and the like.
  • the downlink measurement information includes downlink channel state information measured by the user equipment on each subband of the 9 subbands.
  • the spectrum multiplexing area is an area that can be used for spectrum multiplexing in a system bandwidth; preferably, one system bandwidth can correspond to multiple frequency multiplexing areas; more preferably, frequency multiplexing available on one system bandwidth
  • the area is two.
  • the frequency multiplexing region may correspond to multiple subbands included in the system bandwidth, and the subbands corresponding to each frequency multiplexing region are different; wherein the number of subbands in each frequency region may be based on the total system bandwidth.
  • the number of subbands, as well as the ratio information between the predefined frequency reuse regions, is determined. For example, the bandwidth of the LTE system is 10M, and the bandwidth corresponds to 9 subbands. It is assumed that the CoMP cluster adopts a centralized network architecture.
  • the centralized network structure has three second nodes.
  • the available spectrum multiplexing area of the system is FR1 and FR3; where FR1 is a frequency reuse region corresponding to when the three second nodes participate in cooperation, and FR3 is a spectrum multiplexing region corresponding to when the three second nodes do not participate in cooperation, and the first node (that is, the concentration)
  • the ratio information between the predefined frequency reuse regions FR1 and FR3 in the central node of the network structure is 2:1, then it can be determined that FR1 corresponds to 6 subbands of the 9 subbands, and FR3 corresponds to the 9 sub-bands The other 3 sub-bands in the band.
  • the sending apparatus 1 may send the spectrum efficiency to the first node in multiple manners, for example, adding the spectrum efficiency to an existing signaling (such as a measurement report) to send the first node to the first node.
  • frequency efficiency can be defined; for example, new signaling can be defined for transmitting the spectral efficiency between the first node and the second node.
  • the first acquisition means 2 of the first node acquires the spectral efficiency of the user equipment on each of the frequency reuse regions available to it.
  • the manner in which the first acquiring device 2 acquires the spectrum efficiency of the user equipment on each frequency multiplexing area that is available to the user equipment includes, but is not limited to:
  • the transmitting device 1 of the second node transmits the spectrum efficiency, and for each user device in the at least one user equipment, the first acquiring device 2 of the first node directly acquires the available user equipment of the second node provided by the second node. Spectral efficiency over frequency multiplexed regions.
  • the transmitting device 1 of the second node sends the downlink measurement information
  • the first acquiring device 2 of the first node receives the downlink measurement information of the at least one user equipment sent by the second node, and, for each of the at least one user equipment
  • the user equipment, the first obtaining device 2 determines, according to the downlink measurement information of the user equipment, the spectrum efficiency of the user equipment on each frequency reuse region that is available to the user equipment.
  • the first determining means 3 determines the cooperation related information for the second node based on the spectral efficiency of the at least one user equipment.
  • the first determining means 3 performs an algorithm for cooperative scheduling according to the spectral efficiency of the at least one user equipment to determine cooperation related information for the second node.
  • the collaboration related information includes any information that can be used for cooperative scheduling of the second node, and the collaboration related information can be used by the second node to schedule the at least one user equipment.
  • the collaboration related information includes but is not limited to:
  • the allocation information of the frequency multiplexing area is used to indicate an allocation relationship between the at least one user equipment and the frequency multiplexing area, that is, a frequency multiplexing area for indicating that each user equipment is allocated.
  • the at least one user equipment includes a user equipment
  • the frequency multiplexing area available to the user equipment includes FR1 and FR3
  • the allocation information is used to indicate that UE1 and UE2 are allocated to FR1
  • UE3 is allocated to FR3.
  • the same frequency is the system bandwidth used by the CoMP cluster.
  • the ratio information is used to indicate a ratio between the number of subbands corresponding to the frequency multiplexing region.
  • the ratio information between the frequency multiplexing regions FR1 and FR3 indicates the number of subbands corresponding to FR1 and FR3.
  • the ratio is 2:1.
  • the low power spectrum multiplexing area is used to indicate a low power area in a frequency multiplexing area corresponding to when all nodes do not participate in cooperation.
  • the corresponding frequency reuse area is the frequency division multiplexing area FR3, and the FR3 is divided into a high power area and a low power area according to the power threshold, and when the low power area is used, the first node Determining the usage of the low-power area,
  • collaboration related information is only an example, and those skilled in the art should understand that any information that can be used for cooperative scheduling of the second node should be included in the scope of the collaboration related information according to the present invention.
  • the first providing device 4 provides the cooperation related information to the second node.
  • the manner in which the first providing apparatus 4 provides the cooperation related information to the second node includes, but is not limited to:
  • the first providing device 4 further includes a first sub-providing device (not shown). Place The cooperation related information includes allocation information of the frequency reuse area, and the first sub-providing device provides the second node with benefit indicator information including the allocation information.
  • the first sub-providing device provides the second node with benefit indicator information including the allocation information based on the existing X2 signaling for transmitting benefit metric (BM) information.
  • benefit indicator information including the allocation information based on the existing X2 signaling for transmitting benefit metric (BM) information.
  • the bit in the benefit indicator information corresponds to the user equipment, and the value on the bit identifies the frequency reuse region of the user equipment allocated to the bit.
  • the first obtaining device 2 acquires the spectral efficiency of the user equipments UE1, UE2, and UE3 on the spectrum multiplexing areas FR1 and FR3, respectively, where the number after the "UE" is used to indicate the ID (IDentification) of the user equipment, such as "1" in "UE1" is used to indicate that the ID of the user equipment is 1; the first determining means 3 determines the allocation information of the frequency-multiplexed areas FR1 and FR3 based on the above-mentioned frequency efficiency.
  • the first sub-providing device converts the benefit indicator information to be added to the allocation information into a binary number, and uses the IDs of the user equipments to determine a bit corresponding to the user equipment, for example, the last bit of the binary number corresponds to the UE1.
  • the second last bit corresponds to the UE2, and the third last bit corresponds to the UE3; and the first sub-providing device sets the value of the bit corresponding to each user equipment according to the allocation information, such as when setting the bit When the value on the bit is "0", the user equipment corresponding to the bit is allocated to FR1. When the value on the bit is "1", the user equipment corresponding to the bit is allocated to FR3.
  • a child providing device converts the binary number into a decimal number, and provides the second node with the benefit indicator information including the allocation information based on the existing X2 signaling for transmitting the benefit indicator information.
  • one benefit indicator information may be associated with one or more CoMP settings to quantify the expected benefit in the collaborative scheduling; if the first child providing device provides the benefit indicator information to the second node, the benefit indicator Information can always be provided to the second node in conjunction with the CoMP settings.
  • the benefit indicator information may be determined based on the downlink measurement information, and the information granularity of the downlink channel state information may be a broadband or a subband, and the information granularity of the RSRP is a wideband. Therefore, as another solution of the implementation manner, the enhanced The benefit indicator information, the optional information granularity of the enhanced benefit indicator information includes a PRB level or a broadband level to support an associated CoMP setting, and is used in the embodiment.
  • the two nodes provide collaboration related information.
  • the first providing device 4 further includes a second sub-providing device (not shown).
  • the cooperation related information includes ratio information between frequency reuse regions based on the same frequency, and/or usage information of the low power frequency reuse region.
  • the second sub-provider adds the scale information and/or the usage information to the CoMP settings and provides the CoMP settings to the second node.
  • the CoMP setting is used to configure CoMP transmission, and multiple formats of CoMP settings are pre-defined in the protocol adopted by the CoMP network architecture.
  • the second sub-providing device adds the ratio information and/or the usage information to a predefined CoMP setting format to generate a specific CoMP setting, and provides the CoMP setting to the second node; preferably
  • the information granularity set by the CoMP is a PRB (Physical Resource Block) level or a broadband level.
  • the first providing device 4 further includes a third sub-providing device (not shown).
  • the cooperation related information includes channel state information of each user equipment on each subband, and the cooperation related information includes usage information of a low power frequency reuse region.
  • the third sub-providing device provides the usage information to the second node by transmitting enhanced RNTP signaling to the second node.
  • the information granularity of the enhanced RNTP signaling is extended to the frequency domain or the time domain, and may be information; preferably, the frequency or time indicated by the enhanced RNTP signaling may be through the first node and the second node.
  • a status report is sent between the exchange of the indicated frequency or time, the use of the low power frequency reuse region.
  • the third sub-providing device determines that the low-power region in the frequency multiplexing region is used, determines the usage information of the low-power region as the cooperation-related information or the cooperation-related information. Part of it, provided to the second node.
  • the third sub-providing device can determine the low power region in the frequency division multiplexing region in a plurality of manners to make a power allocation decision.
  • the third sub-providing device may acquire a power threshold according to enhanced RNTP signaling from the second node, and determine a low-power region in the frequency division multiplexing region according to the power threshold to determine a power allocation;
  • the third sub-providing device may determine a low power region in the frequency division multiplexing region according to a predefined power threshold to make a power allocation decision.
  • the first node may make a power allocation decision for the node it controls, and send the decision to all the second in the network architecture through the CoMP setting of the load information message.
  • the first node may make a power allocation decision for the first node itself, and send the decision to the adjacent second node by the CoMP setting of the load information message.
  • the first providing apparatus 4 uses the existing X2 signaling to provide cooperation related information to the second node, but those skilled in the art should understand that the first node and the first node New signaling is defined between the two nodes to provide cooperation related information from the first node to the second node.
  • a definition of a signaling format of the allocation information may be added, and the first providing device 4 may employ the signaling format to provide the allocation information to the second node.
  • the first sub-providing device adopts the above implementation manner 1) to provide the second node with the benefit indicator information including the allocation information
  • the second sub-providing device uses the above implementation manner 2) to provide the second node with the added proportion information and The CoMP setting of the usage information
  • the first sub-providing device may use the foregoing implementation manner 1) to provide the second node with the benefit indicator information including the allocation information
  • the second sub-providing device adopts the foregoing implementation manner 2)
  • the second node provides the CoMP setting to which the proportion information is added
  • the third sub-provider device uses the above implementation manner 3) to send the enhanced RNTP signaling to the second node to provide the second node with the usage condition.
  • the second receiving device 5 of the second node receives the cooperation related information fed back by the first node.
  • the scheduling device 6 of the second node schedules the at least one user equipment according to the cooperation related information.
  • the scheduling device 6 uses the collaboration related information for the at least one
  • the implementation of the scheduling of the user equipment includes but is not limited to:
  • the second receiving device 5 further includes a sub-receiving device (not shown), and the scheduling device 6 further includes a converting device (not shown), a second obtaining device (not shown), and a sub-scheduling device (not shown).
  • the sub-receiving device receives the benefit indicator information including the allocation information; then the converting device converts the benefit index information into binary information; the second obtaining device obtains the allocation information of the frequency reuse region according to the converted binary information; The allocation information is scheduled for at least one user equipment attached to the second node.
  • the conversion device converts the received benefit indicator information into binary information
  • the second obtaining device determines, according to the converted binary information, that the user equipment UE1 and UE2 are allocated to the FR1, and the user equipment UE3 is assigned to the FR3.
  • the sub-scheduling device performs cooperative scheduling on UE1, UE2, and UE3 according to the allocation information.
  • the second receiving device 5 receives the CoMP setting from the first node; then the scheduling device 6 parses the CoMP settings according to the format definition of the CoMP setting, obtains the ratio information between the frequency reuse regions of the same frequency, and/or , usage information of low power frequency reuse area.
  • the second receiving device 5 receives the enhanced RNTP signaling from the first node; then the scheduling device 6 parses the enhanced RNTP signaling to obtain usage information of the frequency reuse region.
  • the scheduling apparatus 6 directly according to the format of the new signaling. , to resolve the collaboration-related information.
  • the scheduling device 6 obtains the allocation information by using the foregoing implementation manner 1), and obtains the proportional information and the usage information by using the above implementation manner 2), and then, according to the allocation information, the proportional information, and the usage information, the scheduling device 6 Performing cooperative scheduling on the at least one user equipment; for example, the scheduling apparatus 6 obtains the allocation information by using the above implementation manner 1), and obtains the proportion information by using the foregoing implementation manner 2), and obtains the usage situation by using the foregoing implementation manner 3) Information, then, the scheduling device 6 is based on the allocation information, the proportion information, and the use Situation information, performing cooperative scheduling on the at least one user equipment.
  • the cooperation related information for the cooperative scheduling of the second node can be determined in the first node based on the spectral efficiency of each user equipment in each of the spectrum multiplexing regions available to the user equipment, Enabling the second node to perform scheduling of the user equipment according to the collaboration related information; and, the scheme may transmit the collaboration between the first node and the second node based on the existing X2 signaling without changing the existing protocol. Relevant information; and the scheduling based on cooperation related information in the scheme can optimize the frequency resource division in the OFDM system, user selection in different partitions, load balancing, and power adjustment.
  • the scheme of this implementation can bring significant gain to the system by evaluation in a standard 3GPP LTE system level simulation tool, for example, a cell average gain of up to 19.9% can be achieved, and a cell edge gain of more than 55.5%.
  • the gain brought by this scheme is related to the specific TX (output) number and the detailed design of CQI feedback, rank adaptation, OLC and HARQ.
  • the maximum number of available user equipment indicated in the benefit indicator information may affect the performance of the cooperative scheduling implemented in this embodiment.
  • FIG. 4 is a schematic structural diagram of a system for scheduling a user equipment according to another embodiment of the present invention.
  • the system according to the present embodiment includes a first node and a second node, the first node comprising a first device, the first device comprising a first obtaining device 2, a first determining device 3 and a first providing device 4, wherein The first obtaining device 2 further includes a first receiving device 21 and a second determining device 22; the second node includes a second device, the first The second device comprises a transmitting device 1, a second receiving device 5 and a scheduling device 6.
  • the transmitting device 1, the first obtaining device 2, the first determining device 3, the first providing device 4, the second receiving device 5, and the scheduling device 6 have been described in detail in the embodiment shown in FIG. This is included here by reference, and will not be described again.
  • the transmitting device 1 of the second node transmits downlink measurement information of at least one user equipment attached to the second node to the first node.
  • the sending device 1 receives downlink measurement information of each user equipment attached to at least one user equipment of the second node, and sends downlink measurement information of each user equipment to the first node.
  • the first receiving device 21 receives downlink measurement information of the at least one user equipment from the second node.
  • the second node may report downlink measurement information to the first node periodically or non-periodically, for example, the second node sends the first node to the first node in a period of 120 ⁇ , 240 ⁇ , 480 ms, or 640 ⁇ seconds. Reporting the downlink measurement information; for example, the second node reports the downlink measurement information to the first node according to the request of the first node.
  • the second determining device 22 determines the frequency efficiency of the user equipment on each of the frequency multiplexing regions available to the user equipment according to the downlink measurement information of the user equipment.
  • the second determining device 22 determines, according to the downlink measurement information of the user equipment, that the user equipment is
  • the downlink measurement information of the user equipment includes the reference signal received power measured by the user equipment, and the second determining device 22 determines the spectral efficiency of the user equipment on each of the frequency reuse regions available to the user equipment based on the reference signal received power. .
  • the second determining means 22 determines an average SINR of the user equipment on the frequency multiplexing region based on the reference signal received power, and determines the user according to the average SINR.
  • the frequency efficiency of the device over the frequency reuse region is determined for each of the available frequency reuse regions.
  • the frequency reuse areas available to the user equipment include FR1 and FR3.
  • the second determining means 22 calculates, based on the following formula, UE1 R on FR1:
  • the second determining means 22 calculates the average SINR of UE1 on FR3 based on the following formula:
  • the sum is the signal strength information from the primary neighboring cells 4 and 7; wherein, when the UE1 is on the FR3, the interfering cell of the serving cell of the UE1 includes the primary neighboring cell 4 and the primary neighboring cell 7.
  • the second determining means 22 calculates the spectral efficiency of UE1 on FR1 and the spectral efficiency of UE1 on FR3 based on the following formula:
  • 8 £ is the frequency efficiency of UE1 on FR1; 8£ 3 ⁇ 43 is the frequency efficiency of UE1 on FR3.
  • the downlink measurement information of the user equipment includes downlink channel state information measured by the user equipment on the system bandwidth, or downlink channel state information measured by the user equipment on each subband, and the second determining device 22 is based on the downlink channel state. Information to determine the spectral efficiency of the user equipment on each frequency reuse region it is available to.
  • the second determining device 22 determines an average SINR of the user equipment on the frequency multiplexing region based on the downlink channel state information, and determines the user according to the average SINR.
  • the frequency of the device on the frequency reuse area Language efficiency is preferably, for each of the available frequency reuse regions.
  • the frequency reuse area available to the user equipment includes FR1 and FR3, and the second determining means 22 determines the downlink channel state information measured by the user equipment UE1 on the system bandwidth, or the user equipment measures on each subband.
  • the downlink channel state information is used to determine the average CQI of UE1 on FR1 and FR3, respectively, and determine the average SINR of UE1 on FR1 according to the average CQI of UE1 on FR1, that is, ⁇ , and determine UE1 according to the average CQI of UE1 on FR3.
  • the second determining means 22 calculates the spectral efficiency of UE1 on FR1 and the spectral efficiency of UE1 on FR3 based on the following formula:
  • 8 £ is the frequency efficiency of UE1 on FR1; 8£ 3 ⁇ 43 is the frequency efficiency of UE1 on FR3.
  • any user equipment in the at least one user equipment is The downlink measurement information of the user equipment, and the manner of determining the spectrum efficiency of the user equipment on each of the frequency reuse regions available to the user equipment are all included in the scope of the present invention.
  • the first node may determine, according to the downlink measurement information that it receives, the spectral efficiency of each user equipment in the at least one user equipment in each of the available spectrum multiplexing regions, without New signaling is defined between the first node and the second node to transmit the spectral efficiency, which can implement information transmission based on existing X2 signaling without changing the existing protocol.
  • the present invention can be implemented in software and/or a combination of software and hardware.
  • the various devices of the present invention can be implemented using an application specific integrated circuit (ASIC) or any other similar hardware device.
  • the software program of the present invention may be executed by a processor to implement the steps or functions described above.
  • the software program (including related data structures) of the present invention can be stored in a computer readable recording medium, for example, RAM memory, magnetic or optical drives or floppy disks and similar devices. Additionally, some of the steps or functions of the present invention may be implemented in hardware, for example, as a circuit that cooperates with a processor to perform various steps or functions.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé utilisé dans un premier nœud pour fournir des informations associées à une coordination à un second nœud, ledit procédé comprenant les étapes consistant à : a. acquérir l'efficacité spectrale de chaque dispositif d'utilisateur parmi au moins un dispositif d'utilisateur sur chaque région de réutilisation de fréquence disponible pour ledit dispositif d'utilisateur ; b. déterminer, sur la base de l'efficacité spectrale dudit dispositif d'utilisateur, les informations associées à une coordination à des fins d'utilisation par le second nœud, lesdites informations associées à une coordination pouvant être utilisées par le second nœud pour programmer ledit dispositif d'utilisateur ; et c. fournir les informations associées à une coordination au second nœud. La solution selon la présente invention présente l'effet d'optimiser le partitionnement de ressources de fréquences, la sélection d'utilisateur dans des partitionnements différents, l'équilibrage de charge, et la régulation de puissance dans un système OFDM, et permet d'obtenir un gain moyen de cellule et un gain de bordure de cellule significatifs.
PCT/CN2014/084551 2014-08-15 2014-08-15 Procédé, appareil et système de programmation de dispositif d'utilisateur WO2016023235A1 (fr)

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CN201480080573.8A CN106489279B (zh) 2014-08-15 2014-08-15 一种用于对用户设备进行调度的方法、装置和系统

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102013905A (zh) * 2009-09-29 2011-04-13 大唐移动通信设备有限公司 协同调度的方法及设备
CN102821475A (zh) * 2011-06-10 2012-12-12 中兴通讯股份有限公司 一种用户调度方法及装置
CN103299667A (zh) * 2011-01-07 2013-09-11 株式会社Ntt都科摩 移动终端装置、无线基站装置、以及无线通信方法
EP2645605A2 (fr) * 2010-11-22 2013-10-02 LG Electronics Inc. Procédé et dispositif pour mesurer une liaison descendante dans un système de radiocommunication
CN103580821A (zh) * 2013-10-10 2014-02-12 工业和信息化部电信传输研究所 一种信息反馈方法
CN103780366A (zh) * 2012-10-17 2014-05-07 上海贝尔股份有限公司 协同多点传输的方法及装置
CN103974291A (zh) * 2013-01-25 2014-08-06 华为技术有限公司 协作多点传输集合选择方法及装置、系统

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102013905A (zh) * 2009-09-29 2011-04-13 大唐移动通信设备有限公司 协同调度的方法及设备
EP2645605A2 (fr) * 2010-11-22 2013-10-02 LG Electronics Inc. Procédé et dispositif pour mesurer une liaison descendante dans un système de radiocommunication
CN103299667A (zh) * 2011-01-07 2013-09-11 株式会社Ntt都科摩 移动终端装置、无线基站装置、以及无线通信方法
CN102821475A (zh) * 2011-06-10 2012-12-12 中兴通讯股份有限公司 一种用户调度方法及装置
CN103780366A (zh) * 2012-10-17 2014-05-07 上海贝尔股份有限公司 协同多点传输的方法及装置
CN103974291A (zh) * 2013-01-25 2014-08-06 华为技术有限公司 协作多点传输集合选择方法及装置、系统
CN103580821A (zh) * 2013-10-10 2014-02-12 工业和信息化部电信传输研究所 一种信息反馈方法

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