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WO2018077173A1 - 资源控制方法及网络节点 - Google Patents

资源控制方法及网络节点 Download PDF

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Publication number
WO2018077173A1
WO2018077173A1 PCT/CN2017/107582 CN2017107582W WO2018077173A1 WO 2018077173 A1 WO2018077173 A1 WO 2018077173A1 CN 2017107582 W CN2017107582 W CN 2017107582W WO 2018077173 A1 WO2018077173 A1 WO 2018077173A1
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WIPO (PCT)
Prior art keywords
resource
target time
reserved
new high
network node
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PCT/CN2017/107582
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English (en)
French (fr)
Inventor
冯媛
赵锐
房家奕
周海军
赵丽
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电信科学技术研究院
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Publication of WO2018077173A1 publication Critical patent/WO2018077173A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/26—Resource reservation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/543—Allocation or scheduling criteria for wireless resources based on quality criteria based on requested quality, e.g. QoS

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a resource control method and a network node.
  • the 3GPP RAN1 conference determines that the V2V security service adopts an open-loop semi-persistent scheduling (SPS) mechanism based on a sensing mechanism.
  • SPS semi-persistent scheduling
  • the triggering condition of the resource collision is determined by the 3GPP RAN1 86 conference.
  • the combination of the two conditions for triggering resource reselection is: the internal maintenance resource timer of the open loop resource and the system configuration probability (P).
  • the open-loop counter triggering resource reselection mechanism mainly refers to: the node always does sensing, but at the same time, once the resource is selected, when no other conditions (such as packet size, packet delay) are not satisfied, it is a pure open-loop SPS.
  • Mechanism that is, when selecting a resource for the first time, randomly select a value between [5, 15] as the counter of the open-loop SPS corresponding to the resource, and a TB (Transport Block) on the resource.
  • the completion of the counter is decremented by 1.
  • the node releases the resource, that is, the resource is no longer a semi-persistent scheduling (SPS) resource maintained for the node.
  • SPS semi-persistent scheduling
  • the system configuration probability (P) triggers the resource reselection mechanism mainly refers to: the system pre-configures the resource probability P, and the node selects a random number in [0, 1], and if the random number is greater than the system configuration probability (P), Change resources; if this random number is less than or equal to the system configuration probability, no resources are exchanged.
  • the method of combining the above two conditions is as follows: when the counter is reduced to 0, instead of releasing the maintained SPS resource immediately, a random number is generated, and according to the system configuration probability (P) comparison, it is determined whether to change the resource, if not If the resource is changed, the previously maintained SPS resource is used; if the resource needs to be replaced, the previously maintained SPS resource is released.
  • P system configuration probability
  • the node when the node sends the scheduling signaling (SA), it needs to indicate whether to reserve the next resource in the SA.
  • SA scheduling signaling
  • the next resource When the next resource is reserved, the next time the resource is reserved in the SA (ie, The information in the time dimension is consistent in the frequency domain.
  • the value of the period is P ⁇ i, P is a fixed configuration of the system, and is 100 ms, and i is a period parameter, and the value is between [1, 10]. That is, each resource block (TB) reserves resources to reserve the next TB resource, but reserves more resources.
  • the time domain location of the reserved resource can be known, and the frequency domain part is unchanged, thereby obtaining the reserved time-frequency resource.
  • the vehicle-to-vehicle V2V message is mainly a cooperative sensing type information CAM and a distributed environment notification information DENM.
  • the DENM message itself has a certain time limit, that is, it is not continued after the vehicle is started, that is, a scenario where counter>0 but the service ends may occur.
  • the transmission frequency depends on: 1) determined by the vehicle's own state: position, speed, etc.; 2) some application applications can adjust the CAM transmission interval, which can be any value, can be regarded as not having strict periodicity, but can It is considered to have a certain relative periodicity (the vehicle state is a process that can be speculated and slowly changed), but the periodic length is uncertain. That is, counter>0 may occur but the service of the period ends (there is no high-level service pack when the transmission opportunity arrives).
  • Method 1 continue to maintain the resource, suspend the counter, when a new service packet arrives, If the size can be carried, and the delay can meet the demand, continue to use the resource; Method 2: Release the resource immediately.
  • the present disclosure provides a resource control method and a network node.
  • the counter is greater than 0 and no high-level service arrives, there is no resource collision when the node itself uses the suspended resource.
  • some embodiments of the present disclosure provide a resource control method, applied to a network node, including:
  • the network node performs a listening operation on the receiving subframe, the suspended subframe in which the first resource is located, and the subframe based on the subsequent transmission opportunity corresponding to the first resource determined by the semi-static scheduling period of the network node.
  • the resource exclusion determination is performed according to the information monitored in the listening window corresponding to the target time.
  • the resource reserved by the first resource in the selection window corresponding to the target time is excluded, releasing the value of the suspended first resource and the internal maintenance resource counter counter of the first resource, and triggering resource reselection; if the target time
  • the resources of the first resource reservation in the corresponding selection window are not excluded, and a new high-level service package is sent on the resource reserved by the first resource in the selection window corresponding to the target time.
  • Steps for resource exclusion determination including:
  • the resource of the first resource reservation in the selection window corresponding to the target time is not able to carry the new high-level service package and is not the first Resource processing;
  • the new high-level service packet belongs to the same process as the suspended first resource, whether the resource reserved by the first resource in the selection window corresponding to the target time can be determined according to the service packet size and the service delay requirement of the new high-level service packet Carrying new high-level business packages;
  • the service packet size of the new high-level service packet satisfies the first preset condition, and the service delay requirement satisfies the second preset condition, determining that the resource reserved by the first resource in the selection window corresponding to the target time can carry the new The high-level business package, and the resource exclusion determination is performed according to the information monitored in the listening window corresponding to the target time;
  • the new high-level service package releases the suspended first resource and the first resource
  • the source internally maintains the value of the resource counter counter and triggers resource reselection.
  • the step of performing resource exclusion determination according to the information monitored in the listening window corresponding to the target moment includes:
  • the resource corresponding to the first resource reservation in the selection window corresponding to the target time and the resource corresponding to the subsequent transmission opportunity corresponding to the first resource determined by the semi-static scheduling period of the network node are the detection resources;
  • the resource of the first resource reservation in the selection window corresponding to the target time is not excluded; if the reserved resource collides with the detection resource, the target time is determined. Resources for the first resource reservation in the selection window are excluded.
  • the method further includes:
  • the reserved resource does not collide with the detection resource, determine that the detection resource needs to perform power smoothing resources in the listening window corresponding to the target time, and perform linear power smoothing on the resource for power smoothing in the monitoring window, Smoothing the power; if the smoothing power is less than the preset threshold, determining that the resource reserved by the first resource in the selection window corresponding to the target time is not excluded; if the smoothing power is greater than or equal to the preset threshold, determining the target time The resources reserved for the first resource in the corresponding selection window are excluded.
  • the step of decoding the intercepted information in the listening window corresponding to the target time, and determining the next scheduled or next scheduled sending resource indicated by the successfully decoded scheduling signaling in the listening window include:
  • the time at which the first resource is suspended is before the start time of the listening window corresponding to the target time, all the information monitored in the listening window of the network node is decoded, and all successfully decoded in the listening window is determined.
  • the step of decoding the intercepted information in the listening window corresponding to the target time, and determining the next scheduled or next scheduled sending resource indicated by the successfully decoded scheduling signaling in the listening window include:
  • the time at which the first resource is suspended is after the start time of the listening window corresponding to the target time, and the time at which the first resource is suspended is before the end time of the listening window, hangs from the listening window.
  • the monitored information between the start of the first resource and the end time of the listening window is decoded, and the reserved resource for the next transmission or the next transmission indicated by the successfully decoded scheduling signaling is determined.
  • the subsequent sending opportunity corresponding to the first resource determined by the semi-static scheduling period of the network node is: in the multiple sending opportunities determined by the first resource, after the selecting window corresponding to the target time Sending opportunity;
  • the subsequent transmission opportunity corresponding to the first resource determined by the semi-persistent scheduling period of the network node is: another transmission opportunity determined according to the semi-persistent scheduling period after the multiple transmission opportunities determined by the first resource.
  • the network node when the first resource currently maintained by the network node includes the initial transmission resource and one or more retransmission resources, respectively determine the initial transmission resource and the one or more retransmission resources respectively corresponding to the resource in the selection window. Whether it is excluded;
  • some embodiments of the present disclosure further provide a network node, including:
  • a monitoring module configured to perform monitoring on a receiving subframe, a suspended subframe in which the first resource is located, and a subframe that is determined by a semi-persistent scheduling period of the network node and a subsequent sending opportunity corresponding to the first resource operating;
  • a resource exclusion module configured to: when a new high-level service packet arrives at a target time and determine that the resource reserved by the first resource in the selection window corresponding to the target time can carry a new high-level service package, according to the target time Encrypting the information monitored in the corresponding listening window for resource exclusion determination;
  • a first control module configured to: if the resource reserved by the first resource in the selection window corresponding to the target time is excluded, release the value of the suspended first resource and the internal maintenance resource counter counter of the first resource, and trigger Resource re-election;
  • the second control module is configured to: when the resource reserved by the first resource in the selection window corresponding to the target time is not excluded, send a new high-level service package on the resource reserved by the first resource in the selection window corresponding to the target time.
  • the resource exclusion module includes:
  • the process judging sub-module is configured to determine, when the new high-level service packet arrives at the target moment, whether the arrived new high-level service packet and the suspended first resource belong to the same process;
  • the processing sub-module is configured to: if the new high-level service package and the suspended first resource do not belong to the same process, determine that the resource reserved by the first resource in the selection window corresponding to the target time cannot bear the new high-level service package. And not processing the first resource;
  • a bearer determining sub-module configured to determine, in the selection window corresponding to the target time, according to the service packet size and the service delay requirement of the new high-level service packet, if the new high-level service packet belongs to the same process as the suspended first resource Whether a resource reserved by a resource can carry a new high-level service package;
  • a resource exclusion sub-module configured to: when the service packet size of the new high-level service packet meets the first preset condition, and the service delay requirement meets the second preset condition, and determine the first resource reservation in the selection window corresponding to the target time
  • the resource can carry the new high-level service package, and perform resource exclusion determination according to the information monitored in the listening window corresponding to the target time;
  • the resource reselection submodule is configured to: when the service packet size of the new high-level service packet does not satisfy the first preset condition, or the service delay requirement does not satisfy the second preset condition, determine the selection window corresponding to the target time A resource reserved resource cannot carry the new high-level service packet, release the suspended first resource and the value of the internal maintenance resource counter counter of the first resource, and trigger resource reselection.
  • the resource exclusion module includes:
  • a first resource determining sub-module configured to determine a resource of the first resource reservation in the selection window corresponding to the target time, and a resource corresponding to the subsequent transmission opportunity corresponding to the first resource determined by the semi-static scheduling period of the network node is detected Resource
  • a second resource determining submodule configured to decode the monitored information in the listening window corresponding to the target moment, and determine the next sending or the next sending of the successfully indicated scheduling signaling in the listening window. Reservation resources;
  • a determining submodule configured to determine whether the reserved resource collides with the detecting resource
  • a second resource exclusion sub-module configured to: if the reservation resource does not collide with the detection resource, determine that the resource reserved by the first resource in the selection window corresponding to the target time is not excluded; if the reserved resource and the detection The resource collides, and the resource reserved for the first resource in the selection window corresponding to the target time is determined to be excluded.
  • the network node further includes:
  • the first exclusion module is configured to: if the reserved resource collides with the detection resource, determine that the resource reserved by the first resource in the selection window corresponding to the target time is excluded;
  • the power judging module is configured to: the reserved resource does not collide with the detecting resource, determine that the detecting resource needs to perform power smoothing resources in the listening window corresponding to the target time, and perform resources for power smoothing in the monitoring window.
  • the linear power is smoothed to obtain a smoothing power. If the smoothing power is less than the preset threshold, the resource of the first resource reservation in the selection window corresponding to the target time is not excluded; if the smoothing power is greater than or equal to the preset threshold The value, the resource of the first resource reservation in the selection window corresponding to the target time is determined to be excluded.
  • the second resource determining submodule includes:
  • a first resource determining unit configured to decode all information monitored in the listening window of the network node before the start time of the listening window corresponding to the target time, if the time at which the first resource is suspended is determined, and determine The reserved resource for the next transmission or the next transmission indicated by all successfully decoded scheduling signaling in the listening window.
  • the second resource determining submodule includes:
  • a second resource determining unit configured to: if the time at which the first resource is suspended is after the start time of the listening window corresponding to the target time, and the time at which the first resource is suspended is before the end time of the listening window, The monitored information in the listening window from the time when the first resource is suspended to the ending time of the listening window is decoded, and the next transmission or the next transmission reservation indicated by the successfully decoded scheduling signaling is determined. Resources.
  • the transmission opportunity is: a transmission opportunity after the selection window corresponding to the target time, among the multiple transmission opportunities determined by the first resource;
  • the subsequent transmission opportunity corresponding to the first resource determined by the semi-persistent scheduling period of the network node is: another transmission opportunity determined according to the semi-persistent scheduling period after the multiple transmission opportunities determined by the first resource.
  • the network node when the first resource currently maintained by the network node includes the initial transmission resource and one or more retransmission resources, respectively determine the initial transmission resource and the one or more retransmission resources respectively corresponding to the resource in the selection window. Whether it is excluded;
  • some embodiments of the present disclosure provide a network node, including: a processor, a memory coupled to the processor via a bus interface, and a transceiver coupled to the processor via a bus interface.
  • the processor is configured to read a computer readable program in the memory to perform an operation of: when a value of an internal maintenance resource counter counter of a first resource currently maintained by a network node is greater than zero and the first resource arrives at a time without a high layer When the service packet is sent, the first resource is suspended; the receiving subframe, the suspended subframe in which the first resource is located, and the subsequent step corresponding to the first resource determined by the semi-static scheduling period of the network node
  • the monitoring operation is performed on the subframe of the sending opportunity; when the new high-level service packet arrives at the target time and the resource reserved by the first resource in the selection window corresponding to the target time can be used to carry the new high-level service packet, the monitoring according to the target time
  • the information monitored in the window is subjected to resource exclusion determination;
  • the transceiver is for receiving and transmitting data.
  • the memory is used to store data used by the processor to perform operations.
  • FIG. 1 is a schematic diagram showing a resource exclusion process in the related art
  • FIG. 2 is a schematic diagram showing a power smoothing process in the related art
  • FIG. 3 is a flow chart showing the steps of a resource control method provided by some embodiments of the present disclosure.
  • FIG. 4 is a schematic diagram showing a resource exclusion process provided by some embodiments of the present disclosure.
  • FIG. 5 is a schematic diagram showing power smoothing processing provided by some embodiments of the present disclosure.
  • FIG. 6 is a schematic diagram showing a relationship between a listening window and a time when a first resource is suspended according to some embodiments of the present disclosure
  • FIG. 7 is a schematic diagram showing another relationship between a listening window and a time when a first resource is suspended according to some embodiments of the present disclosure
  • FIG. 8 is a schematic structural diagram of a network node according to some embodiments of the present disclosure.
  • FIG. 9 is a schematic structural diagram of a network node provided by some embodiments of the present disclosure.
  • the triggering condition of resource reselection in the related art the SPS counter timeout, probabilistic resource reselection is required; if the resource allocated by the maximum allowed modulation and coding policy MCS is currently used, the transmission of the TB is not satisfied, and resource reselection is required. When the current resource cannot meet the delay requirement of the TB, resource reselection is required. As long as the radio resource control RRC configuration resource pool changes, the medium access control layer (MAC layer) triggers the resource-related terminal UE in the changed resource pool to initiate resource reselection.
  • MAC layer medium access control layer
  • the process of resource selection and reselection (1) performing resource exclusion on the resources in the selection window according to the decoding and measurement information corresponding to the successfully decoded SA in the sensing information; (2) performing power smoothing according to the sensing information to determine the candidate resource set; (3) Selecting an appropriate resource among the determined candidate resource sets.
  • the scheduling signaling SA indication it is determined from the perspective of resource occupation that there is a possibility that a subsequent resource block TB occupies a resource collision: a node reservation for transmitting the SA
  • the resources in the selection window are as shown in node A in Fig. 1.
  • the indication of the scheduling signaling SA it is determined from the perspective of resource occupation that there is a possibility that a subsequent resource block TB occupies a resource collision: the node that sends the SA does not reserve the resource in the selection window, that is, the SA is sent.
  • the resource reserved by the node is outside the selection window, but if the resource node is selected to select a resource in the window, the future subsequent resource block TB may collide with the node that sends the SA, as shown by node C in FIG.
  • Select remaining resources Select all resources remaining after step 2 deducting resources in the window, regardless of whether there is a corresponding successfully decoded SA in the sensing window corresponding to the resource.
  • Power average of the remaining resources the power average granularity is 100ms, and the power average window length is the resource in the sensing window (up to 10 resources, excluding the resources that the node cannot do sensing), here is the linear average.
  • Processing of S-RSSI measurement information of corresponding resources The measured granularity is all subchannels, and no special processing is performed, and the linear average of the total power is measured on each subchannel.
  • the initial retransmission resource selection process when the number of transmissions is 2 randomly select 2 resources from the lowest power 20% resources, and ensure that the interval between the two resources is within [-15, 15] subframes and the interval cannot be 0; When the number of times is 1, only one resource needs to be randomly selected from the candidate resources.
  • some embodiments of the present disclosure provide a resource control method, which is applied to a network node, and includes:
  • Step 301 Suspending the first resource when the value of the internal maintenance resource counter counter of the first resource currently maintained by the network node is greater than zero and the first resource arrives at a time when no higher layer service packet is sent;
  • Step 302 The receiving, by the network node, a subframe, a suspended subframe in which the first resource is located, and a subsequent transmitter corresponding to the first resource determined by a semi-persistent scheduling period of the network node Listening on the subframe of the conference;
  • step 303 when the new high-level service packet arrives at the target time and the resource of the first resource reservation in the selection window corresponding to the target time can be configured to carry the new high-level service package, the information monitored in the monitoring window corresponding to the target time is performed.
  • Resource exclusion decision when the new high-level service packet arrives at the target time and the resource of the first resource reservation in the selection window corresponding to the target time can be configured to carry the new high-level service package, the information monitored in the monitoring window corresponding to the target time is performed.
  • Step 304 If the resource reserved by the first resource in the selection window corresponding to the target time is excluded, release the value of the suspended first resource and the internal maintenance resource counter counter of the first resource, and trigger resource reselection;
  • Step 305 If the resource reserved by the first resource in the selection window corresponding to the target time is not excluded, the new high-level service package is sent on the resource reserved by the first resource in the selection window corresponding to the target time.
  • the first resource is continuously maintained, that is, the first resource is suspended.
  • the counter can be continued, or the counter can be suspended, and is not specifically limited herein.
  • the network node always performs the listening sensing operation, that is, the network node listens to the scheduling signaling OA of other network nodes, measures power, and receives data in the listening subframe in the listening window; specifically, because the listening window is dynamic over time A window, so the listening window referred to in the embodiment of the present disclosure is a listening window corresponding to a target time at which a new high-level service arrives.
  • the subframe in which the suspended first resource is located can be used as a monitoring subframe. For example, when the suspended subframe in which the first resource is located is in the current listening window, the suspended subframe is located in the subframe.
  • the monitoring subframe that is, the network node performs a listening operation on the subframe where the first resource is located.
  • the subframe of the other transmission opportunity corresponding to the first resource determined by the semi-persistent scheduling period of the network node can also be used as the monitoring subframe. For example, the subframe in which the suspended first resource is located is not in the current subframe.
  • the subframe of the subsequent transmission opportunity corresponding to the first resource may fall into the real-time sliding listening window, and when the subsequent subframe falls within the listening window,
  • the subframe that falls within the listening window serves as a listening subframe, that is, the network node performs a listening operation on a subframe that falls within the listening window.
  • the selection and reselection of the resource are not triggered, that is, when no high-level service packet is sent, or the high-level service packet arrives and the triggering resource re-election is determined, or When the service packet arrives but it is determined that other suspended resources can be used, the currently suspended first resource continues to be suspended for maintenance and is not processed.
  • the target time corresponds to the selection If the resource reserved for the first resource in the window is not excluded, it indicates that the resource can continue to be used, and then continues to use the corresponding resource in the selection window, and sends a new high-level on the resource reserved by the first resource in the selection window corresponding to the target time.
  • Business package If the corresponding corresponding to the first resource in the selection window corresponding to the target time is excluded, indicating that the resource cannot be used continuously, releasing the suspended first resource and controlling the network node to perform resource reselection; if the target time corresponds to the selection If the resource reserved for the first resource in the window is not excluded, it indicates that the resource can continue to be used, and then continues to use the corresponding resource in the selection window, and sends a new high-level on the resource reserved by the first resource in the selection window corresponding to the target time. Business package.
  • step 303 includes:
  • Step 3031 When a new high-level service packet arrives at the target time, it is determined whether the arrived new high-level service package belongs to the same process as the suspended first resource; wherein determining whether it belongs to the same process is mainly based on the priority of each packet. (ProSe Per-Packet Priority, PPPP) or logical channel ID ((LCID) for judgment.
  • PPPP ProSe Per-Packet Priority
  • LCID logical channel ID
  • Step 3032 If the new high-level service packet and the suspended first resource do not belong to the same process, determine that the resource reserved by the first resource in the selection window corresponding to the target time cannot bear the new high-level service package and is not correct. Describe the first resource for processing;
  • Step 3033 If the new high-level service package belongs to the same process as the suspended first resource, determine the first resource reservation in the selection window corresponding to the target time according to the service packet size and the service delay requirement of the new high-level service package. Whether the resource can carry a new high-level business package;
  • Step 3034 When the service packet size of the new high-level service packet meets the first preset condition, and the service delay requirement meets the second preset condition, determining that the resource reserved by the first resource in the selection window corresponding to the target time can be carried
  • the new high-level service package performs resource exclusion determination according to the information monitored in the listening window corresponding to the target time;
  • Step 3045 When the service packet size of the new high-level service packet does not meet the first preset condition, or the service delay requirement does not satisfy the second preset condition, determine the resource reserved by the first resource in the selection window corresponding to the target time. The new high-level service packet cannot be carried, and the value of the suspended first resource and the internal maintenance resource counter counter of the first resource is released, and resource reselection is triggered.
  • the first preset condition specifically refers to the resource allocated by using the maximum allowed MCS on the first resource, and can meet the transmission requirement of the service packet size of the new high-level service packet, and then satisfies the first preset condition, and vice versa.
  • a first preset condition; the second preset condition specifically means that the first resource can satisfy the new high level The service delay requirement of the service packet satisfies the second preset condition, and vice versa, the second preset condition is not satisfied.
  • the target time is determined.
  • the resource reserved by the first resource in the corresponding selection window cannot carry the new high-level service packet and does not need to perform any processing on the first resource; if the new high-level service packet belongs to the same process as the suspended first resource, It is necessary to further determine whether the new high-level service package can be sent on the resource reserved by the first resource in the selection window corresponding to the target time.
  • whether the new high-level service packet can be sent on the resource of the first resource reservation in the selection window corresponding to the target time is mainly determined according to the service packet size and the service delay requirement of the new high-level service package, if the The resource of the first resource reservation in the selection window corresponding to the target time can carry the new high-level service package, and then determine that the new high-level service package can be sent on the resource reserved by the first resource in the selection window corresponding to the target time.
  • the new high-level business package selects new resources and associates new counter values.
  • step 303 includes:
  • step 3036 the resource corresponding to the first resource reservation in the selection window corresponding to the target time and the resource corresponding to the subsequent transmission opportunity corresponding to the first resource determined by the semi-static scheduling period of the network node are determined as detection resources;
  • Step 3037 Decode the intercepted information in the listening window corresponding to the target moment, and determine a reserved resource that is sent next time or sent in the next several times indicated by the successfully decoded scheduling signaling in the listening window.
  • Step 3038 Determine whether the reserved resource collides with the detected resource.
  • Step 3039 If the reserved resource does not collide with the detection resource, determine that the resource reserved by the first resource in the selection window corresponding to the target time is not excluded; if the reserved resource collides with the detection resource, determine the target. The resources reserved for the first resource in the selection window corresponding to the time are excluded.
  • some embodiments of the present disclosure first determine a detection resource, where the detection resource includes two parts of resources, and a part of the resources are: the suspended first resource corresponds to a resource in the selection window (ie, a target)
  • the resource of the first resource reservation in the corresponding selection window is inscribed; the other part of the resource is: the resource of the subsequent transmission opportunity of the suspended first resource determined according to the fixed period of the first resource (ie, the semi-static scheduling based on the network node) a resource corresponding to a subsequent transmission opportunity corresponding to the first resource determined by the period).
  • the reserved resource is determined, and the reserved resource is: a reserved resource of another node obtained by decoding the information monitored on the listening subframe in the listening window.
  • the reserved resource is collided with the monitoring resource, that is, whether the subsequent resource reserved by other nodes in the listening window collides with the monitoring resource. If the reserved resource does not collide with the detection resource, the resource of the first resource reservation in the selection window corresponding to the target time is not excluded; if the reserved resource collides with the detection resource, the target time is determined. Resources for the first resource reservation in the selection window are excluded.
  • the method further includes:
  • Step 306 If the reserved resource collides with the detection resource, determine that the resource reserved by the first resource in the selection window corresponding to the target time is excluded;
  • Step 307 If the reserved resource does not collide with the detection resource, determine that the detection resource needs to perform power smoothing resources in the listening window corresponding to the target time, and perform linear power on the resource for power smoothing in the monitoring window. Smoothing, obtaining smoothing power; if the smoothing power is less than a preset threshold, determining that the resource reserved by the first resource in the selection window corresponding to the target time is not excluded; if the smoothing power is greater than or equal to the preset threshold, The resource for the first resource reservation in the selection window corresponding to the target time is determined to be excluded.
  • the energy smoothing process of the suspended first resource may be further determined, and a total power threshold is set, if the smoothed power If the threshold is exceeded, it is considered that immediate re-election is required; if the threshold is not exceeded, it is considered that the resource can continue to be used.
  • the resource smoothing interval is 100ms.
  • the resource smoothing window can be all the resources in the listening window, and can be further reduced to the resources before the resource suspension time and before the end of the listening window.
  • some embodiments of the present disclosure first need to determine a resource for power smoothing in which a detection resource is in a listening window.
  • the process is the same as the existing process, and the granularity is 100 ms.
  • the resource is linearly smoothed to obtain smooth power; finally, the smoothing power is further determined, and a power threshold is determined. If the smoothed power exceeds the preset threshold, then If the first resource is excluded, the resource needs to be immediately re-elected; if the smoothed power does not exceed the preset threshold, the first resource is considered to be unremoved, and the resource is continuously used for the service packet transmission.
  • step 3037 includes:
  • Step 30371 If the time at which the first resource is suspended is before the start time of the listening window corresponding to the target time, all the information monitored in the listening window of the network node is decoded, and all the listening windows are determined.
  • the successfully decoded scheduling signaling indicates the scheduled resource for the next transmission or the next transmission.
  • step 30372 if the time at which the first resource is suspended is after the start time of the listening window corresponding to the target time, and the time at which the first resource is suspended is before the end time of the listening window, the monitoring is performed.
  • the monitored information in the window from the time when the first resource is suspended to the end time of the listening window is decoded, and the reserved resource for the next transmission or the next transmission indicated by the successfully decoded scheduling signaling is determined.
  • the length of the listening window is 1 s.
  • the service packet arrives at the time m, and it is determined that the suspended first resource can be used in the selection window.
  • the resource exclusion determination needs to be performed on the corresponding resource; at this time, all resources of the listening window need to be determined. If the corresponding resource of the suspended first resource in the selection window is excluded, releasing the first resource immediately triggers reselection; if the suspended first resource is not excluded in the corresponding resource in the selection window, You can continue to use this resource.
  • the service packet arrives at the time m, and it is determined that the suspended resource can be used in the corresponding resource in the selection window, and the suspended data is required.
  • a resource performs a resource exclusion determination in a corresponding resource in the selection window. Considering that the node made a reliable reservation before the resource suspension time, the determination process can be simplified, and only the SA received after the resource suspension time is determined. If the corresponding resource of the suspended first resource in the selection window is excluded, releasing the first resource immediately triggers reselection; if the suspended first resource is not excluded in the corresponding resource in the selection window, You can continue to use this resource.
  • the subsequent transmission opportunity corresponding to the first resource determined by the semi-static scheduling period of the network node is: the selection corresponding to the target time in the multiple transmission opportunities determined by the first resource a transmission opportunity after the window; or the subsequent transmission opportunity corresponding to the first resource determined by the semi-static scheduling period of the network node is: multiple times determined by the first resource Another transmission opportunity determined according to the semi-persistent scheduling period after the opportunity is sent.
  • the network node when the first resource currently maintained by the network node includes the initial transmission resource and one or more retransmission resources, respectively determine whether the initial transmission resource and the one or more retransmission resources respectively correspond to the resources in the selection window to be excluded;
  • the currently maintained resource is 1 resource, that is, the data block is sent only once, then one judgment is needed; if the currently maintained resource is multiple resources, that is, the data block is sent multiple times, including 1 initial resource and If the resources are retransmitted multiple times, the same decision process needs to be made for the initial resources and the retransmitted resources; whether one resource or multiple resources need to be excluded, multiple resources are immediately released, and a new one is selected for the new high-level business package. Resources and associated related counter values.
  • the first when the value of the internal maintenance resource counter counter of the first resource currently maintained by the network node is greater than zero, if no upper layer service packet is sent, the first is suspended.
  • a resource when a new high-level service packet arrives, if a new high-level service packet can be sent on the corresponding resource in the selection window, the first high-level service packet is sent to determine whether the resource collides with other reserved resources.
  • the resource can continue to be used, and the resource continues to be used; if the resource cannot continue to be used after the collision, the resource is released and the reselection is triggered immediately; without significantly increasing the probability of reselection, Reduce the collision rate of the system and improve the reliability of service transmission.
  • some embodiments of the present disclosure provide a network node, including:
  • Suspending module 801 configured to suspend the first resource when a value of an internal maintenance resource counter counter of a first resource currently maintained by the network node is greater than zero, and the first resource arrives at a time when no higher layer service packet is sent;
  • the monitoring module 802 is configured to perform, on a receiving subframe, a suspended subframe in which the first resource is located, and a subframe that is determined by a semi-persistent scheduling period of the network node and a subsequent transmission opportunity corresponding to the first resource. Listening operation
  • the resource exclusion module 803 is configured to: when a new high-level service packet arrives at the target time and determine the target When the resource of the first resource reservation in the corresponding selection window can carry the new high-level service package, the resource exclusion determination is performed according to the information monitored in the listening window corresponding to the target time;
  • the first control module 804 is configured to: if the resource reserved by the first resource in the selection window corresponding to the target time is excluded, release the value of the suspended first resource and the internal maintenance resource counter counter of the first resource, and Trigger resource reselection;
  • the second control module 805 is configured to: when the resource reserved by the first resource in the selection window corresponding to the target time is not excluded, send a new high-level service package on the resource reserved by the first resource in the selection window corresponding to the target time.
  • the resource exclusion module in some embodiments of the present disclosure includes:
  • the process judging sub-module is configured to determine, when the new high-level service packet arrives at the target moment, whether the arrived new high-level service packet and the suspended first resource belong to the same process;
  • the processing sub-module is configured to: if the new high-level service package and the suspended first resource do not belong to the same process, determine that the resource reserved by the first resource in the selection window corresponding to the target time cannot bear the new high-level service package. And not processing the first resource;
  • a bearer determining sub-module configured to determine, in the selection window corresponding to the target time, according to the service packet size and the service delay requirement of the new high-level service packet, if the new high-level service packet belongs to the same process as the suspended first resource Whether a resource reserved by a resource can carry a new high-level service package;
  • a resource exclusion sub-module configured to: when the service packet size of the new high-level service packet meets the first preset condition, and the service delay requirement meets the second preset condition, and determine the first resource reservation in the selection window corresponding to the target time
  • the resource can carry the new high-level service package, and perform resource exclusion determination according to the information monitored in the listening window corresponding to the target time;
  • the resource reselection submodule is configured to: when the service packet size of the new high-level service packet does not satisfy the first preset condition, or the service delay requirement does not satisfy the second preset condition, determine the selection window corresponding to the target time A resource reserved resource cannot carry the new high-level service packet, release the suspended first resource and the value of the internal maintenance resource counter counter of the first resource, and trigger resource reselection.
  • the resource exclusion module in some embodiments of the present disclosure includes:
  • a first resource determining submodule configured to determine a resource of the first resource reservation in the selection window corresponding to the target time, and a corresponding to the first resource determined by the semi-static scheduling period of the network node
  • the resource corresponding to the continuous transmission opportunity is a detection resource
  • a second resource determining submodule configured to decode the monitored information in the listening window corresponding to the target moment, and determine the next sending or the next sending of the successfully indicated scheduling signaling in the listening window. Reservation resources;
  • a determining submodule configured to determine whether the reserved resource collides with the detecting resource
  • a second resource exclusion sub-module configured to: if the reservation resource does not collide with the detection resource, determine that the resource reserved by the first resource in the selection window corresponding to the target time is not excluded; if the reserved resource and the detection The resource collides, and the resource reserved for the first resource in the selection window corresponding to the target time is determined to be excluded.
  • the network node in some embodiments of the present disclosure further includes:
  • the first exclusion module is configured to: if the reserved resource collides with the detection resource, determine that the resource reserved by the first resource in the selection window corresponding to the target time is excluded;
  • the power judging module is configured to: the reserved resource does not collide with the detecting resource, determine that the detecting resource needs to perform power smoothing resources in the listening window corresponding to the target time, and perform resources for power smoothing in the monitoring window.
  • the linear power is smoothed to obtain a smoothing power. If the smoothing power is less than the preset threshold, the resource of the first resource reservation in the selection window corresponding to the target time is not excluded; if the smoothing power is greater than or equal to the preset threshold The value, the resource of the first resource reservation in the selection window corresponding to the target time is determined to be excluded.
  • the second resource determining submodule in some embodiments of the present disclosure includes:
  • a first resource determining unit configured to decode all information monitored in the listening window of the network node before the start time of the listening window corresponding to the target time, if the time at which the first resource is suspended is determined, and determine The reserved resource for the next transmission or the next transmission indicated by all successfully decoded scheduling signaling in the listening window.
  • the second resource determining submodule in some embodiments of the present disclosure includes:
  • a second resource determining unit configured to: if the time at which the first resource is suspended is after the start time of the listening window corresponding to the target time, and the time at which the first resource is suspended is before the end time of the listening window, The monitored information in the listening window from the time when the first resource is suspended to the ending time of the listening window is decoded, and the next transmission or the next transmission reservation indicated by the successfully decoded scheduling signaling is determined. Resources.
  • the subsequent sending opportunity corresponding to the first resource determined by the semi-persistent scheduling period of the network node is: the multiple sending opportunity determined by the first resource, located in the target a transmission opportunity after the selection window corresponding to the time;
  • the subsequent transmission opportunity corresponding to the first resource determined by the semi-persistent scheduling period of the network node is: another transmission opportunity determined according to the semi-persistent scheduling period after the multiple transmission opportunities determined by the first resource.
  • the network node when the first resource currently maintained by the network node includes the initial transmission resource and one or more retransmission resources, determining the initial transmission resource and one or more retransmission resources respectively in the selection window Whether the corresponding resources in the respective are excluded;
  • the first resource when the value of the internal maintenance resource counter counter of the first resource currently maintained by the network node is greater than zero, if no higher-layer service packet is sent, the first resource is suspended.
  • a new high-level service packet arrives, if a new high-level service packet can be sent on the corresponding resource in the selection window in the suspended first resource, a determination is made as to whether the resource collides with other reserved resources, if not If the resource can continue to be used, the resource can continue to be used. If the resource cannot continue to be used, the resource will be released and the reselection will be triggered immediately; the system will be reduced without significantly increasing the probability of reselection. Collision rate to improve the reliability of business transmission.
  • the network node provided by the embodiment of the present disclosure is a network node that can apply the foregoing resource control method, and all embodiments of the foregoing resource control method are applicable to the network node, and all of the same or similar beneficial effects can be achieved. .
  • some embodiments of the present disclosure further provide a network node, including: a processor 100; a memory 120 connected to the processor 100 through a bus interface, and a processor 100 through a bus interface Connected transceiver 110; the memory for storing programs and data used by the processor in performing operations; transmitting control commands and the like through the transceiver 110; when the processor calls and executes the memory
  • a network node including: a processor 100; a memory 120 connected to the processor 100 through a bus interface, and a processor 100 through a bus interface Connected transceiver 110; the memory for storing programs and data used by the processor in performing operations; transmitting control commands and the like through the transceiver 110; when the processor calls and executes the memory
  • a network node including: a processor 100; a memory 120 connected to the processor 100 through a bus interface, and a processor 100 through a bus interface Connected transceiver 110; the memory for storing programs and data used by the processor in performing operations; transmitting control commands and the
  • the resource exclusion determination is performed according to the information monitored in the listening window corresponding to the target time.
  • the new high-level service package is sent on the resource reserved by the first resource in the selection window corresponding to the target time.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 100 and various circuits of memory represented by memory 120.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 110 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
  • the processor 100 is responsible for managing the bus architecture and general processing, and the memory 120 can store data used by the processor 100 in performing operations.
  • the processor 100 is responsible for managing the bus architecture and general processing, and the memory 920 can store data used by the processor 100 in performing operations.
  • the network node provided by the embodiment of the present disclosure is a network node corresponding to the network node provided by the foregoing embodiment, and all embodiments of the resource control method provided by the foregoing embodiment are applicable to the network node, and both can be used. Achieve the same or similar benefits.

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Abstract

本公开提供一种资源控制方法及网络节点，该方法包括：当网络节点当前维护的第一资源的counter的值大于零且第一资源到达时刻无高层业务包发送时，挂起第一资源；网络节点在接收子帧、挂起的第一资源所在的子帧以及基于网络节点的半静态调度周期确定的与第一资源对应的后续发送机会的子帧上进行监听操作；当目标时刻有新的高层业务包到达且判定选择窗口内第一资源预约的资源能够承载高层业务包时，根据监听到的信息进行资源排除判定；若资源被排除，释放第一资源以及counter的值，并触发资源重选；若资源未被排除，在选择窗口内第一资源预约的资源上发送新的高层业务包；在不显著增加重选概率的前提下，降低系统的碰撞率，提高传输的可靠性。

Description

资源控制方法及网络节点
相关申请的交叉引用
本申请主张在2016年10月26日在中国提交的中国专利申请号No.201610949898.6的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域，特别涉及一种资源控制方法及网络节点。
背景技术
目前3GPP RAN1会议确定V2V安全业务采用基于监听(sensing)机制的开环半持续调度(SPS)机制。3GPP RAN1 86会议确定了资源碰撞的触发条件，目前触发资源重选的两个条件的组合为：开环资源的内部维护资源计时器(counter)以及系统配置概率(P)。
开环counter触发资源重选机制主要指的是：节点一直做sensing，但同时，一旦选择该资源，当无其他条件(比如包大小，包时延)不满足的情况下，就是纯开环SPS机制，即当第一次选择某资源的时候，在[5，15]之间随机选择一个值作为该资源对应的开环SPS的counter，在该资源上一个TB(Transport Block，传输块)，发送完成该counter进行减1，当该counter减为0的时候，节点释放该资源，即该资源不再是为节点维护的半持续调度(SPS)资源。
系统配置概率(P)触发资源重选机制主要指的是：系统预先配置换资源概率P，节点在[0，1]中选择一个随机数，如果这个随机数大于系统配置概率(P)，则换资源；如果这个随机数小于或等于系统配置概率，则不换资源。
上述两个条件合并起来使用的方法为：当counter减为0时，不是立即释放维护的SPS资源，而是产生随机数，根据系统配置概率(P)比对，确定是否换资源，如果不需要换资源，则继续使用之前维护的SPS资源；如果需要换资源，则释放之前维护的SPS资源。
此外，节点在发送调度信令(SA)的时候需要在SA中指示是否预约下一次资源，当预约下一次资源的时候，在SA中携带下一次预约资源的周期(即 时间维度上的信息，频域上的信息是一致的)，该周期的值为P×i，P为系统固定配置，为100ms，i表示周期参数，取值为[1，10]之间。即每一个资源块(TB)预约资源只是预约下一个TB的资源，不过多预约后续的资源。具体资源的位置为e＝d+100*i，这里d的位置指示的是当前调度信令SA相关联的数据信息data的位置，通过SA其他内容可以获知。预约资源的时域位置可以获知，频域部分是不变的，进而得到预约的时频资源。i＝0表征下一次不预约，1＜＝i＜＝10包含了发包间隔为100ms～1s的TB资源。
车对车V2V消息主要是协同感知类信息CAM以及分散环境通知信息DENM。DENM消息本身周期是有一定的时间限制的，即并非是车辆启动之后就一直延续的，即可能出现counter＞0但是业务结束的场景。
对于CAM消息，其发送频率取决与：1)由车辆自身状态决定：位置，速度等；2)一些应用application可以调整CAM发送间隔，可以是任意值，可以看作不具有严格周期性，但可以看作具有一定的相对周期性(车辆状态是一个可推测、慢变的过程)，但周期性长度不确定。即可能出现counter＞0但该周期的业务结束(该发送机会到达时无高层业务包)。
相关技术中，当counter＞0且无高层业务的情况下目前有两种处理机制(还未有会议结论)：方法1：继续维护该资源，挂起counter，当新的业务包到达的时候，如果大小可以承载，时延可以满足需求的话，就继续使用该资源；方法2：立即释放该资源。
方法1中，当对于其他节点而言，这个资源已经并不算预约了，这样则有可能将这一部分资源放在候选资源里面，当节点自身使用的时候，就有可能发生碰撞。
发明内容
本公开提供了一种资源控制方法及网络节点，当counter大于0且无高层业务到达的情况下，保证节点自身使用被挂起的资源时不会存在资源碰撞。
一方面，本公开一些实施例提供一种资源控制方法，应用于一网络节点，包括：
当网络节点当前维护的第一资源的内部维护资源计数器counter的值大于 零且所述第一资源到达时刻无高层业务包发送时，挂起所述第一资源；
所述网络节点在接收子帧、挂起的所述第一资源所在的子帧以及基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会的子帧上进行监听操作；
当目标时刻有新的高层业务包到达且判定目标时刻对应的选择窗口内第一资源预约的资源能够承载新的高层业务包时，根据目标时刻对应的监听窗口内监听到的信息进行资源排除判定；
若目标时刻对应的选择窗口内第一资源预约的资源被排除，释放挂起的所述第一资源以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选；若目标时刻对应的选择窗口内第一资源预约的资源未被排除，在目标时刻对应的选择窗口内第一资源预约的资源上发送新的高层业务包。
可选的，当目标时刻有新的高层业务包到达且判定目标时刻对应的选择窗口内第一资源预约的资源能够承载新的高层业务包时，根据目标时刻对应的监听窗口内监听到的信息进行资源排除判定的步骤，包括：
当目标时刻有新的高层业务包到达时，判断到达的新的高层业务包与挂起的第一资源是否属于同一进程；
若新的高层业务包与挂起的第一资源不属于同一进程，确定所述目标时刻对应的选择窗口内第一资源预约的资源不能够承载所述新的高层业务包且不对所述第一资源做处理；
若新的高层业务包与挂起的所述第一资源属于同一进程，根据新的高层业务包的业务包大小和业务时延需求判定目标时刻对应的选择窗口内第一资源预约的资源是否能够承载新的高层业务包；
当新的高层业务包的业务包大小满足第一预设条件，且业务时延需求满足第二预设条件，确定所述目标时刻对应的选择窗口内第一资源预约的资源能够承载所述新的高层业务包，并根据目标时刻对应的监听窗口内监听到的信息进行资源排除判定；
当新的高层业务包的业务包大小不满足第一预设条件，或者业务时延需求不满足第二预设条件，确定所述目标时刻对应的选择窗口内第一资源预约的资源不能够承载所述新的高层业务包，释放挂起的所述第一资源以及所述第一资 源的内部维护资源计数器counter的值，并触发资源重选。
可选的，所述根据目标时刻对应的监听窗口内监听到的信息进行资源排除判定的步骤，包括：
确定目标时刻对应的选择窗口内第一资源预约的资源以及基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会对应的资源为检测资源；
对所述目标时刻对应的监听窗口内的监听到的信息进行解码，确定所述监听窗口中成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源；
判断所述预约资源与所述检测资源是否发生碰撞；
若所述预约资源与所述检测资源未发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源未被排除；若所述预约资源与所述检测资源发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源被排除。
可选的，所述判断所述预约资源与所述检测资源是否发生碰撞之后，所述方法还包括：
若预约资源与所述检测资源发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源被排除；
若预约资源与所述检测资源未发生碰撞，确定所述检测资源在目标时刻对应的监听窗口内的需要做功率平滑的资源，并对监听窗口内用于功率平滑的资源做线性功率平滑，得到平滑功率；若所述平滑功率小于预设门限值，确定目标时刻对应的选择窗口内第一资源预约的资源未被排除；若所述平滑功率大于或者等于预设门限值，确定目标时刻对应的选择窗口内第一资源预约的资源被排除。
可选的，对所述目标时刻对应的监听窗口内的监听到的信息进行解码，确定所述监听窗口中成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源的步骤，包括：
若挂起第一资源的时刻在所述目标时刻对应的监听窗口的起始时刻之前，对所述网络节点的监听窗口内监听到的所有信息进行解码，确定所述监听窗口中所有成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源。
可选的，对所述目标时刻对应的监听窗口内的监听到的信息进行解码，确定所述监听窗口中成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源的步骤，包括：
若挂起第一资源的时刻在所述目标时刻对应的监听窗口的起始时刻之后，且挂起第一资源的时刻在所述监听窗口的结束时刻之前，对所述监听窗口内从挂起第一资源的时刻开始至监听窗口的结束时刻之间的监听到的信息进行解码，确定成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源。
可选的，基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会为：所述第一资源确定的多次发送机会中，位于所述目标时刻对应的选择窗口之后的发送机会；
或者，基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会为：所述第一资源确定的多次发送机会之后根据半静态调度周期确定的又一次发送机会。
可选的，当网络节点当前维护的第一资源包括初传资源以及一份或多份重传资源时，分别判定初传资源以及一份或多份重传资源在选择窗口内分别对应的资源是否被排除；
当对应的任意一份资源被排除时，则确定释放第一资源包括的初传资源和所有的重传资源，以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选；当对应的所有资源均未被排除时，则确定在对应的资源上发送新的高层业务包。
另一方面，本公开一些实施例还提供一种网络节点，包括：
挂起模块，用于当网络节点当前维护的第一资源的内部维护资源计数器counter的值大于零且所述第一资源到达时刻无高层业务包发送时，挂起所述第一资源；
监听模块，用于在接收子帧、挂起的所述第一资源所在的子帧以及基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会的子帧上进行监听操作；
资源排除模块，用于当目标时刻有新的高层业务包到达且判定目标时刻对应的选择窗口内第一资源预约的资源能够承载新的高层业务包时，根据目标时 刻对应的监听窗口内监听到的信息进行资源排除判定；
第一控制模块，用于若目标时刻对应的选择窗口内第一资源预约的资源被排除，释放挂起的所述第一资源以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选；
第二控制模块，用于若目标时刻对应的选择窗口内第一资源预约的资源未被排除，在目标时刻对应的选择窗口内第一资源预约的资源上发送新的高层业务包。
可选的，所述资源排除模块包括：
进程判断子模块，用于当目标时刻有新的高层业务包到达时，判断到达的新的高层业务包与挂起的第一资源是否属于同一进程；
处理子模块，用于若新的高层业务包与挂起的第一资源不属于同一进程，确定所述目标时刻对应的选择窗口内第一资源预约的资源不能够承载所述新的高层业务包且不对所述第一资源做处理；
承载判定子模块，用于若新的高层业务包与挂起的所述第一资源属于同一进程，根据新的高层业务包的业务包大小和业务时延需求判定目标时刻对应的选择窗口内第一资源预约的资源是否能够承载新的高层业务包；
资源排除子模块，用于当新的高层业务包的业务包大小满足第一预设条件，且业务时延需求满足第二预设条件，确定所述目标时刻对应的选择窗口内第一资源预约的资源能够承载所述新的高层业务包，并根据目标时刻对应的监听窗口内监听到的信息进行资源排除判定；
资源重选子模块，用于当新的高层业务包的业务包大小不满足第一预设条件，或者业务时延需求不满足第二预设条件，确定所述目标时刻对应的选择窗口内第一资源预约的资源不能够承载所述新的高层业务包，释放挂起的所述第一资源以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选。
可选的，所述资源排除模块包括：
第一资源确定子模块，用于确定目标时刻对应的选择窗口内第一资源预约的资源以及基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会对应的资源为检测资源；
第二资源确定子模块，用于对所述目标时刻对应的监听窗口内的监听到的信息进行解码，确定所述监听窗口中成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源；
判定子模块，用于判断所述预约资源与所述检测资源是否发生碰撞；
第二资源排除子模块，用于若所述预约资源与所述检测资源未发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源未被排除；若所述预约资源与所述检测资源发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源被排除。
可选的，所述网络节点还包括：
第一排除模块，用于若预约资源与所述检测资源发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源被排除；
功率判断模块，用于预约资源与所述检测资源未发生碰撞，确定所述检测资源在目标时刻对应的监听窗口内的需要做功率平滑的资源，并对监听窗口内用于功率平滑的资源做线性功率平滑，得到平滑功率；若所述平滑功率小于预设门限值，确定目标时刻对应的选择窗口内第一资源预约的资源未被排除；若所述平滑功率大于或者等于预设门限值，确定目标时刻对应的选择窗口内第一资源预约的资源被排除。
可选的，所述第二资源确定子模块包括：
第一资源确定单元，用于若挂起第一资源的时刻在所述目标时刻对应的监听窗口的起始时刻之前，对所述网络节点的监听窗口内监听到的所有信息进行解码，确定所述监听窗口中所有成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源。
可选的，所述第二资源确定子模块包括：
第二资源确定单元，用于若挂起第一资源的时刻在所述目标时刻对应的监听窗口的起始时刻之后，且挂起第一资源的时刻在所述监听窗口的结束时刻之前，对所述监听窗口内从挂起第一资源的时刻开始至监听窗口的结束时刻之间的监听到的信息进行解码，确定成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源。
可选的，基于网络节点的半静态调度周期确定的与所述第一资源对应的后 续发送机会为：所述第一资源确定的多次发送机会中，位于所述目标时刻对应的选择窗口之后的发送机会；
或者，基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会为：所述第一资源确定的多次发送机会之后根据半静态调度周期确定的又一次发送机会。
可选的，当网络节点当前维护的第一资源包括初传资源以及一份或多份重传资源时，分别判定初传资源以及一份或多份重传资源在选择窗口内分别对应的资源是否被排除；
当对应的任意一份资源被排除时，则确定释放第一资源包括的初传资源和所有的重传资源，以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选；当对应的所有资源均未被排除时，则确定在对应的资源上发送新的高层业务包。
另一方面，本公开一些实施例提供了一种网络节点，包括：处理器，通过总线接口与所述处理器相连接的存储器，以及通过总线接口与所述处理器相连接的收发机。所述处理器用于读取所述存储器中的计算机可读程序以执行下列操作：当网络节点当前维护的第一资源的内部维护资源计数器counter的值大于零且所述第一资源到达时刻无高层业务包发送时，挂起所述第一资源；在接收子帧、挂起的所述第一资源所在的子帧以及基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会的子帧上进行监听操作；当目标时刻有新的高层业务包到达且判定目标时刻对应的选择窗口内第一资源预约的资源能够承载新的高层业务包时，根据目标时刻对应的监听窗口内监听到的信息进行资源排除判定；若目标时刻对应的选择窗口内第一资源预约的资源被排除，释放挂起的所述第一资源以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选；若目标时刻对应的选择窗口内第一资源预约的资源未被排除，在目标时刻对应的选择窗口内第一资源预约的资源上发送新的高层业务包。所述收发机用于接收和发送数据。所述存储器用于保存所述处理器执行操作时所使用的数据。
附图说明
图1表示相关技术中资源排除过程的示意图；
图2表示相关技术中功率平滑处理过程的示意图；
图3表示本公开的一些实施例提供的资源控制方法的步骤流程图；
图4表示本公开的一些实施例提供的资源排除过程的示意图；
图5表示本公开的一些实施例提供的功率平滑处理的示意图；
图6表示本公开的一些实施例提供的监听窗口与挂起第一资源的时刻的关系示意图；
图7表示本公开的一些实施例提供的监听窗口与挂起第一资源的时刻的另一关系示意图；
图8表示本公开的一些实施例提供的网络节点的结构示意图；
图9表示本公开的一些实施例提供的网络节点的结构示意图。
具体实施方式
为使本公开的技术方案和优点更加清楚，下面将结合附图及具体实施例进行详细描述。
相关技术中的资源重选的触发条件：SPS counter超时，概率性需要进行资源重选；如果当前使用最大允许的调制与编码策略MCS分配的资源，也不能满足TB的传输，需要进行资源重选；当当前资源不能满足该TB的时延需求，需要进行资源重选。只要无线资源控制RRC配置资源池改变，介质访问控制层(MAC层)触发改变的资源池中的资源相关的终端UE发起资源重选。
资源选择以及重选的流程：(1)依据sensing信息中成功解码的SA对应的解码以及测量信息对选择窗口内的资源进行资源排除；(2)依据sensing信息做功率平滑，确定候选资源集合；(3)在确定的候选资源集合中选择合适的资源。
具体来说，(1)资源排除过程：
两种情况，第一种情况：根据调度信令SA指示，从资源占用的角度，判定存在后续第一个资源块TB占用资源发生碰撞的可能：发送SA的节点预约 了选择窗口内的资源，则如图1中节点A所示。第二种情况：根据调度信令SA指示，从资源占用的角度，判定存在后续其他资源块TB占用资源发生碰撞的可能：该发送SA的节点虽然没有预约选择窗口内的资源，即该发送SA的节点预约的资源在选择窗口之外，但是选择资源节点如果选择选择窗口内某资源的话，未来后续资源块TB存在与该发送SA的节点碰撞的可能，如图1中节点C所示。
确定资源选择窗口内可选资源的比例，当当前可选资源的比例大于等于20％时，资源排除过程结束；当可选资源比列小于20％时，提高当前收发节点功率门限值(3dB，每一次资源选择时初始值为系统配置，后续一直迭代更新)，减小资源复用范围重新进行资源的扣除。
(2)功率平滑过程：
如图2所示，对于选择窗口内资源未排除的剩余资源，做功率平均，进行排序，筛选其中平滑功率较低的20％资源。
1)选择剩余资源：选择窗口内step 2扣除资源后剩余的所有资源，无论该资源对应的sensing窗口内是否有相应的成功解码的SA。2)对剩余资源做功率平均：功率平均的粒度为100ms，功率平均的窗长为sensing窗口内的资源(最多10个资源，排除掉节点无法做sensing的资源)，这里为为线性平均。3)对应资源的S-RSSI测量信息的处理：测量的粒度都是子信道，不做任何特殊处理，各个子信道上测量总功率的线性平均。
(3)资源选择过程
传输次数为2时的初重传资源选择过程：从功率最低的20％资源中随机选择2个资源，保证这两个资源的间隔是[-15，15]子帧内且间隔不能为0；传输次数为1时，只需要从候选资源中随机选择一个资源。
如图3所示，本公开的一些实施例提供一种资源控制方法，应用于一网络节点，包括：
步骤301，当网络节点当前维护的第一资源的内部维护资源计数器counter的值大于零且所述第一资源到达时刻无高层业务包发送时，挂起所述第一资源；
步骤302，所述网络节点在接收子帧、挂起的所述第一资源所在的子帧以及基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机 会的子帧上进行监听操作；
步骤303，当目标时刻有新的高层业务包到达且判定目标时刻对应的选择窗口内第一资源预约的资源能够承载新的高层业务包时，根据目标时刻对应的监听窗口内监听到的信息进行资源排除判定；
步骤304，若目标时刻对应的选择窗口内第一资源预约的资源被排除，释放挂起的所述第一资源以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选；
步骤305，若目标时刻对应的选择窗口内第一资源预约的资源未被排除，在目标时刻对应的选择窗口内第一资源预约的资源上发送新的高层业务包。
本公开实施例中，当网络节点当前维护的第一资源的内部维护资源计数器counter的值大于0且无高层业务包发送时，继续维护该第一资源，即挂起第一资源。需要说明的是，可以是继续运行counter，也可以挂起counter，在此不作具体限定。而网络节点一直做监听sensing操作，即网络节点在监听窗口内的监听子帧上监听其他网络节点的调度信令OA、测量功率以及接收数据；具体的，由于监听窗口为随时间而动的动态窗口，故本公开实施例中所指的监听窗口为新的高层业务到达的目标时刻对应的监听窗口。其中，挂起的第一资源所在的子帧能够作为监听子帧，例如当挂起的第一资源所在的子帧处于当前的监听窗口内时，则挂起的第一资源所在的子帧作为监听子帧，即网络节点在第一资源所在的子帧上进行监听操作。进一步的，基于网络节点的半静态调度周期确定的与所述第一资源对应的其他发送机会的子帧也能够作为监听子帧，例如，挂起的第一资源所在的子帧没有处于当前的监听窗口内，但随着时间的推进，该第一资源对应的后续的发送机会的子帧有可能落入实时滑动的监听窗口内，则当后续的子帧落入监听窗口内时，则将落入监听窗口内的子帧作为监听子帧，即网络节点在落入监听窗口内的子帧上进行监听操作。
进一步的，当不需要在该第一资源上发送传输块TB的时候不触发资源的选择和重选，即当无高层业务包发送，或者高层业务包到达且确定触发资源重选时，或者高层业务包到达但判定可以采用别的挂起的资源的时候，当前这个挂起的第一资源继续挂起维护，不做处理。
而当判定新的高层业务包到达且能够继续使用新的高层业务包到达的目 标时刻对应的选择窗口内第一资源预约的资源的时候，增加一个资源排除的过程判定该选择窗口内的对应资源是否可以继续使用。如果目标时刻对应的选择窗口内与第一资源对应的被排除，则表明该资源不能继续使用，则释放挂起的所述第一资源并控制网络节点进行资源重选；如果目标时刻对应的选择窗口内第一资源预约的资源未被排除，则表明该资源可以继续使用，则继续使用该选择窗口内的对应资源，在目标时刻对应的选择窗口内第一资源预约的资源上发送新的高层业务包。
具体的，本公开的一些实施例中，步骤303包括：
步骤3031，当目标时刻有新的高层业务包到达时，判断到达的新的高层业务包与挂起的第一资源是否属于同一进程；其中，判断其是否属于同一进程主要是依据每包优先级(ProSe Per-Packet Priority，PPPP)或者逻辑信道ID((LCID)来进行判断。
步骤3032，若新的高层业务包与挂起的第一资源不属于同一进程，确定所述目标时刻对应的选择窗口内第一资源预约的资源不能够承载所述新的高层业务包且不对所述第一资源做处理；
步骤3033，若新的高层业务包与挂起的所述第一资源属于同一进程，根据新的高层业务包的业务包大小和业务时延需求判定目标时刻对应的选择窗口内第一资源预约的资源是否能够承载新的高层业务包；
步骤3034，当新的高层业务包的业务包大小满足第一预设条件，且业务时延需求满足第二预设条件，确定所述目标时刻对应的选择窗口内第一资源预约的资源能够承载所述新的高层业务包，并根据目标时刻对应的监听窗口内监听到的信息进行资源排除判定；
步骤3045，当新的高层业务包的业务包大小不满足第一预设条件，或者业务时延需求不满足第二预设条件，确定所述目标时刻对应的选择窗口内第一资源预约的资源不能够承载所述新的高层业务包，释放挂起的所述第一资源以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选。
其中，第一预设条件具体指第一资源上使用最大允许的MCS分配的资源，能够满足新的高层业务包的业务包大小的传输需求，则满足第一预设条件，反之，则不满足第一预设条件；第二预设条件具体指第一资源能够满足新的高层 业务包的业务时延需求，则满足第二预设条件，反之，则不满足第二预设条件。
本公开实施例中首先需要判断到达的新的高层业务包与挂起的第一资源是否属于同一进程，若新的高层业务包与挂起的第一资源不属于同一进程，确定所述目标时刻对应的选择窗口内第一资源预约的资源不能够承载所述新的高层业务包且不需要对第一资源进行任何处理；若新的高层业务包与挂起的第一资源属于同一进程，则需要进一步判断新的高层业务包是否能够在目标时刻对应的选择窗口内第一资源预约的资源上发送。具体的，新的高层业务包能否在目标时刻对应的选择窗口内第一资源预约的资源上发送主要是依据新的高层业务包的业务包大小和业务时延需求等确定的，若所述目标时刻对应的选择窗口内第一资源预约的资源能够承载所述新的高层业务包，则确定新的高层业务包能够在所述目标时刻对应的选择窗口内第一资源预约的资源上发送，并进一步根据所述网络节点的监听窗口内监听到的信息进行资源排除判定；而当所述目标时刻对应的选择窗口内第一资源预约的资源不能够承载所述新的高层业务包时，则表明新的高层业务包不能够在所述目标时刻对应的选择窗口内第一资源预约的资源上发送，此时需释放挂起的第一资源并同时控制网络节点进行资源重选，为到达的新的高层业务包选择新的资源并关联新的counter值。
进一步的，本公开一些实施例中步骤303，包括：
步骤3036，确定目标时刻对应的选择窗口内第一资源预约的资源以及基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会对应的资源为检测资源；
步骤3037，对所述目标时刻对应的监听窗口内的监听到的信息进行解码，确定所述监听窗口中成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源；
步骤3038，判断所述预约资源与所述检测资源是否发生碰撞；
步骤3039，若所述预约资源与所述检测资源未发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源未被排除；若所述预约资源与所述检测资源发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源被排除。
如图4所示，本公开的一些实施例首先确定检测资源，检测资源包括两部分资源，一部分资源为：挂起的第一资源对应在选择窗口内的资源(即目标时 刻对应的选择窗口内第一资源预约的资源)；另一部分资源为：按照第一资源的固定周期确定的该挂起的第一资源后续的发送机会的资源(即基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会对应的资源)。其次，确定预约资源，预约资源为：根据监听窗口内的监听子帧上监听到的信息解码得到的其他节点的预约资源。最后，判断预约资源是否与监测资源发送碰撞，即监听窗口内其他节点预约的后续一次资源是否与监测资源发生碰撞。若所述预约资源与所述检测资源未发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源未被排除；若所述预约资源与所述检测资源发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源被排除。
进一步的，本公开的一些实施例中所述判断所述预约资源与所述检测资源是否发生碰撞之后，所述方法还包括：
步骤306，若预约资源与所述检测资源发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源被排除；
步骤307，若预约资源与所述检测资源未发生碰撞，确定所述检测资源在目标时刻对应的监听窗口内的需要做功率平滑的资源，并对监听窗口内用于功率平滑的资源做线性功率平滑，得到平滑功率；若所述平滑功率小于预设门限值，确定目标时刻对应的选择窗口内第一资源预约的资源未被排除；若所述平滑功率大于或者等于预设门限值，确定目标时刻对应的选择窗口内第一资源预约的资源被排除。
进一步的，如果通过上述过程确定挂起的第一资源并未发生碰撞，则可以进一步通过挂起的第一资源的能量平滑过程做进一步的判定，并设置一个总功率门限，如果平滑后的功率超过门限，则认为需要立即出发重选；如果没有超过门限，则认为可以继续使用资源。资源平滑的间隔为100ms，资源平滑的窗口可以是监听窗口内的所有资源，也可以进一步缩小为资源挂起时刻之后到监听窗口结束之前的资源。
如图5所示，本公开的一些实施例首先需要确定检测资源在监听窗口内的用于功率平滑的资源，该过程同现有过程，粒度为100ms；其次对监听窗口内用于功率平滑的资源做线性功率平滑，得到平滑功率；最后对平滑功率做进一步判定，增加一个功率门限的判定。如果平滑后的功率超过预设门限值，则认 为第一资源被排除，则需要立即出发资源重选；如果平滑后的功率未超过预设门限值，则认为第一资源未被排除，则继续使用该资源进行业务包发送。
进一步的，本公开的上述实施例中，步骤3037包括：
步骤30371，若挂起第一资源的时刻在所述目标时刻对应的监听窗口的起始时刻之前，对所述网络节点的监听窗口内监听到的所有信息进行解码，确定所述监听窗口中所有成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源。
或者，步骤30372，若挂起第一资源的时刻在所述目标时刻对应的监听窗口的起始时刻之后，且挂起第一资源的时刻在所述监听窗口的结束时刻之前，对所述监听窗口内从挂起第一资源的时刻开始至监听窗口的结束时刻之间的监听到的信息进行解码，确定成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源。
例如，设监听窗口的时间长为1s；如图6所示，当第一资源挂起的时刻距离当前时刻大于1s，m时刻业务包到达，判定可以使用挂起的第一资源在选择窗口内的对应资源的时候，需要对该对应资源进行资源排除判定；此时需要判定监听窗口的所有资源。如果该挂起的第一资源在选择窗口内的对应资源被排除，则释放该第一资源，则立即触发重选；如果该挂起的第一资源在选择窗口内的对应资源未被排除，则可以继续使用该资源。
如图7所示，当第一资源挂起的时刻距离当前时刻小于1s，m时刻业务包到达，判定可以使用挂起的资源在选择窗口内的对应资源的时候，需要对该挂起的第一资源在选择窗口内的对应资源进行资源排除判定。考虑到资源挂起时刻之前，节点做了可靠的预约，这里可以简化判定处理，只对资源挂起时刻之后接收到的SA做判定。如果该挂起的第一资源在选择窗口内的对应资源被排除，则释放该第一资源，则立即触发重选；如果该挂起的第一资源在选择窗口内的对应资源未被排除，则可以继续使用该资源。
进一步需要说明的是，基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会为：所述第一资源确定的多次发送机会中，位于所述目标时刻对应的选择窗口之后的发送机会；或者，基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会为：所述第一资源确定的多次 发送机会之后根据半静态调度周期确定的又一次发送机会。
具体的，当网络节点当前维护的第一资源包括初传资源以及一份或多份重传资源时，分别判定初传资源以及一份或多份重传资源在选择窗口内分别对应的资源是否被排除；
当对应的任意一份资源被排除时，则确定释放第一资源包括的初传资源和所有的重传资源，以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选；当对应的所有资源均未被排除时，则确定在对应的资源上发送新的高层业务包。
即如果当前维护的资源是1份资源，即数据块只发送1次，则需要做1次判定；如果当前维护的资源是多份资源，即数据块发送多次，包括1次初传资源和多次重传资源，则需要对初传资源和重传资源做同样的判定过程；无论需要排除1份资源还是多份资源，都立即释放多份资源，为该新的高层业务包选择新的资源并关联相关的counter值。
综上，本公开的一些实施例提供的资源控制方法中，当网络节点当前维护的第一资源的内部维护资源计数器counter的值大于零时，若无高层业务包发送，挂起所述第一资源，当新的高层业务包到达时，若新的高层业务包能够在挂起的所述第一资源在选择窗口内的对应资源上发送，增加一个对该资源是否与其他预约资源碰撞的判定，如果不碰撞，则该资源可以继续使用，则继续使用该资源；如果碰撞，则该资源不可以继续使用，则释放该资源同时立即触发重选；在不显著增加重选概率的前提下，降低系统的碰撞率，提高业务传输的可靠性。
如图8所示，本公开的一些实施例提供一种网络节点，包括：
挂起模块801，用于当网络节点当前维护的第一资源的内部维护资源计数器counter的值大于零且所述第一资源到达时刻无高层业务包发送时，挂起所述第一资源；
监听模块802，用于在接收子帧、挂起的所述第一资源所在的子帧以及基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会的子帧上进行监听操作；
资源排除模块803，用于当目标时刻有新的高层业务包到达且判定目标时 刻对应的选择窗口内第一资源预约的资源能够承载新的高层业务包时，根据目标时刻对应的监听窗口内监听到的信息进行资源排除判定；
第一控制模块804，用于若目标时刻对应的选择窗口内第一资源预约的资源被排除，释放挂起的所述第一资源以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选；
第二控制模块805，用于若目标时刻对应的选择窗口内第一资源预约的资源未被排除，在目标时刻对应的选择窗口内第一资源预约的资源上发送新的高层业务包。
具体的，本公开一些实施例中所述资源排除模块包括：
进程判断子模块，用于当目标时刻有新的高层业务包到达时，判断到达的新的高层业务包与挂起的第一资源是否属于同一进程；
处理子模块，用于若新的高层业务包与挂起的第一资源不属于同一进程，确定所述目标时刻对应的选择窗口内第一资源预约的资源不能够承载所述新的高层业务包且不对所述第一资源做处理；
承载判定子模块，用于若新的高层业务包与挂起的所述第一资源属于同一进程，根据新的高层业务包的业务包大小和业务时延需求判定目标时刻对应的选择窗口内第一资源预约的资源是否能够承载新的高层业务包；
资源排除子模块，用于当新的高层业务包的业务包大小满足第一预设条件，且业务时延需求满足第二预设条件，确定所述目标时刻对应的选择窗口内第一资源预约的资源能够承载所述新的高层业务包，并根据目标时刻对应的监听窗口内监听到的信息进行资源排除判定；
资源重选子模块，用于当新的高层业务包的业务包大小不满足第一预设条件，或者业务时延需求不满足第二预设条件，确定所述目标时刻对应的选择窗口内第一资源预约的资源不能够承载所述新的高层业务包，释放挂起的所述第一资源以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选。
具体的，本公开一些实施例中所述资源排除模块包括：
第一资源确定子模块，用于确定目标时刻对应的选择窗口内第一资源预约的资源以及基于网络节点的半静态调度周期确定的与所述第一资源对应的后 续发送机会对应的资源为检测资源；
第二资源确定子模块，用于对所述目标时刻对应的监听窗口内的监听到的信息进行解码，确定所述监听窗口中成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源；
判定子模块，用于判断所述预约资源与所述检测资源是否发生碰撞；
第二资源排除子模块，用于若所述预约资源与所述检测资源未发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源未被排除；若所述预约资源与所述检测资源发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源被排除。
具体的，本公开一些实施例中所述网络节点还包括：
第一排除模块，用于若预约资源与所述检测资源发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源被排除；
功率判断模块，用于预约资源与所述检测资源未发生碰撞，确定所述检测资源在目标时刻对应的监听窗口内的需要做功率平滑的资源，并对监听窗口内用于功率平滑的资源做线性功率平滑，得到平滑功率；若所述平滑功率小于预设门限值，确定目标时刻对应的选择窗口内第一资源预约的资源未被排除；若所述平滑功率大于或者等于预设门限值，确定目标时刻对应的选择窗口内第一资源预约的资源被排除。
具体的，本公开一些实施例中所述第二资源确定子模块包括：
第一资源确定单元，用于若挂起第一资源的时刻在所述目标时刻对应的监听窗口的起始时刻之前，对所述网络节点的监听窗口内监听到的所有信息进行解码，确定所述监听窗口中所有成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源。
具体的，本公开一些实施例中所述第二资源确定子模块包括：
第二资源确定单元，用于若挂起第一资源的时刻在所述目标时刻对应的监听窗口的起始时刻之后，且挂起第一资源的时刻在所述监听窗口的结束时刻之前，对所述监听窗口内从挂起第一资源的时刻开始至监听窗口的结束时刻之间的监听到的信息进行解码，确定成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源。
具体的，本公开一些实施例中，基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会为：所述第一资源确定的多次发送机会中，位于所述目标时刻对应的选择窗口之后的发送机会；
或者，基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会为：所述第一资源确定的多次发送机会之后根据半静态调度周期确定的又一次发送机会。
具体的，本公开一些实施例中当网络节点当前维护的第一资源包括初传资源以及一份或多份重传资源时，分别判定初传资源以及一份或多份重传资源在选择窗口内分别对应的资源是否被排除；
当对应的任意一份资源被排除时，则确定释放第一资源包括的初传资源和所有的重传资源，以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选；当对应的所有资源均未被排除时，则确定在对应的资源上发送新的高层业务包。
综上，本公开实施例提供的网络节点中，当网络节点当前维护的第一资源的内部维护资源计数器counter的值大于零时，若无高层业务包发送，挂起所述第一资源，当新的高层业务包到达时，若新的高层业务包能够在挂起的所述第一资源在选择窗口内的对应资源上发送，增加一个对该资源是否与其他预约资源碰撞的判定，如果不碰撞，则该资源可以继续使用，则继续使用该资源；如果碰撞，则该资源不可以继续使用，则释放该资源同时立即触发重选；在不显著增加重选概率的前提下，降低系统的碰撞率，提高业务传输的可靠性。
需要说明的是，本公开实施例提供的网络节点是能够应用上述资源控制方法的网络节点，则上述资源控制方法的所有实施例均适用于该网络节点，且均能达到相同或相似的有益效果。
如图9所示，本公开一些实施例还提供一种网络节点，该网络节点包括：处理器100；通过总线接口与所述处理器100相连接的存储器120，以及通过总线接口与处理器100相连接的收发机110；所述存储器用于存储所述处理器在执行操作时所使用的程序和数据；通过所述收发机110发送控制命令等；当处理器调用并执行所述存储器中所存储的程序和数据时，执行如下操作：
当网络节点当前维护的第一资源的内部维护资源计数器counter的值大于 零且所述第一资源到达时刻无高层业务包发送时，挂起所述第一资源；
在接收子帧、挂起的所述第一资源所在的子帧以及基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会的子帧上进行监听操作；
当目标时刻有新的高层业务包到达且判定目标时刻对应的选择窗口内第一资源预约的资源能够承载新的高层业务包时，根据目标时刻对应的监听窗口内监听到的信息进行资源排除判定；
若目标时刻对应的选择窗口内第一资源预约的资源被排除，释放挂起的所述第一资源以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选；
若目标时刻对应的选择窗口内第一资源预约的资源未被排除，在目标时刻对应的选择窗口内第一资源预约的资源上发送新的高层业务包。
其中，在图9中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器100代表的一个或多个处理器和存储器120代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机110可以是多个元件，即包括发送机和收发机，提供用于在传输介质上与各种其他装置通信的单元。处理器100负责管理总线架构和通常的处理，存储器120可以存储处理器100在执行操作时所使用的数据。
处理器100负责管理总线架构和通常的处理，存储器920可以存储处理器100在执行操作时所使用的数据。
需要说明的是，本公开实施例提供的网络节点是与上述实施例提供的网络节点对应的网络节点，故上述实施例提供的资源控制方法的所有实施例均适用于该网络节点，且均能达到相同或相似的有益效果。
以上所述是本公开的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本公开所述原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本公开的保护范围。

Claims (17)

  1. 一种资源控制方法，应用于一网络节点，包括：
    当网络节点当前维护的第一资源的内部维护资源计数器counter的值大于零且所述第一资源到达时刻无高层业务包发送时，挂起所述第一资源；
    所述网络节点在接收子帧、挂起的所述第一资源所在的子帧以及基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会的子帧上进行监听操作；
    当目标时刻有新的高层业务包到达且判定目标时刻对应的选择窗口内第一资源预约的资源能够承载新的高层业务包时，根据目标时刻对应的监听窗口内监听到的信息进行资源排除判定；
    若目标时刻对应的选择窗口内第一资源预约的资源被排除，释放挂起的所述第一资源以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选；若目标时刻对应的选择窗口内第一资源预约的资源未被排除，在目标时刻对应的选择窗口内第一资源预约的资源上发送新的高层业务包。
  2. 根据权利要求1所述的方法，其中，当目标时刻有新的高层业务包到达且判定目标时刻对应的选择窗口内第一资源预约的资源能够承载新的高层业务包时，根据目标时刻对应的监听窗口内监听到的信息进行资源排除判定的步骤，包括：
    当目标时刻有新的高层业务包到达时，判断到达的新的高层业务包与挂起的第一资源是否属于同一进程；
    若新的高层业务包与挂起的第一资源不属于同一进程，确定所述目标时刻对应的选择窗口内第一资源预约的资源不能够承载所述新的高层业务包且不对所述第一资源做处理；
    若新的高层业务包与挂起的所述第一资源属于同一进程，根据新的高层业务包的业务包大小和业务时延需求判定目标时刻对应的选择窗口内第一资源 预约的资源是否能够承载新的高层业务包；
    当新的高层业务包的业务包大小满足第一预设条件，且业务时延需求满足第二预设条件，确定所述目标时刻对应的选择窗口内第一资源预约的资源能够承载所述新的高层业务包，并根据目标时刻对应的监听窗口内监听到的信息进行资源排除判定；
    当新的高层业务包的业务包大小不满足第一预设条件，或者业务时延需求不满足第二预设条件，确定所述目标时刻对应的选择窗口内第一资源预约的资源不能够承载所述新的高层业务包，释放挂起的所述第一资源以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选。
  3. 根据权利要求1所述的方法，其中，所述根据目标时刻对应的监听窗口内监听到的信息进行资源排除判定的步骤，包括：
    确定目标时刻对应的选择窗口内第一资源预约的资源以及基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会对应的资源为检测资源；
    对所述目标时刻对应的监听窗口内的监听到的信息进行解码，确定所述监听窗口中成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源；
    判断所述预约资源与所述检测资源是否发生碰撞；
    若所述预约资源与所述检测资源未发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源未被排除；若所述预约资源与所述检测资源发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源被排除。
  4. 根据权利要求3所述的方法，其中，所述判断所述预约资源与所述检测资源是否发生碰撞之后，所述方法还包括：
    若预约资源与所述检测资源发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源被排除；
    若预约资源与所述检测资源未发生碰撞，确定所述检测资源在目标时刻对 应的监听窗口内的需要做功率平滑的资源，并对监听窗口内用于功率平滑的资源做线性功率平滑，得到平滑功率；若所述平滑功率小于预设门限值，确定目标时刻对应的选择窗口内第一资源预约的资源未被排除；若所述平滑功率大于或者等于预设门限值，确定目标时刻对应的选择窗口内第一资源预约的资源被排除。
  5. 根据权利要求3所述的方法，其中，对所述目标时刻对应的监听窗口内的监听到的信息进行解码，确定所述监听窗口中成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源的步骤，包括：
    若挂起第一资源的时刻在所述目标时刻对应的监听窗口的起始时刻之前，对所述网络节点的监听窗口内监听到的所有信息进行解码，确定所述监听窗口中所有成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源。
  6. 根据权利要求3所述的方法，其中，对所述目标时刻对应的监听窗口内的监听到的信息进行解码，确定所述监听窗口中成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源的步骤，包括：
    若挂起第一资源的时刻在所述目标时刻对应的监听窗口的起始时刻之后，且挂起第一资源的时刻在所述监听窗口的结束时刻之前，对所述监听窗口内从挂起第一资源的时刻开始至监听窗口的结束时刻之间的监听到的信息进行解码，确定成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源。
  7. 根据权利要求1或3所述的方法，其中，基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会为：所述第一资源确定的多次发送机会中，位于所述目标时刻对应的选择窗口之后的发送机会；
    或者，基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会为：所述第一资源确定的多次发送机会之后根据半静态调度周期确定的又一次发送机会。
  8. 根据权利要求1所述的方法，其中，当网络节点当前维护的第一资源包括初传资源以及一份或多份重传资源时，分别判定初传资源以及一份或多份 重传资源在选择窗口内分别对应的资源是否被排除；
    当对应的任意一份资源被排除时，则确定释放第一资源包括的初传资源和所有的重传资源，以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选；当对应的所有资源均未被排除时，则确定在对应的资源上发送新的高层业务包。
  9. 一种网络节点，包括：
    挂起模块，用于当网络节点当前维护的第一资源的内部维护资源计数器counter的值大于零且所述第一资源到达时刻无高层业务包发送时，挂起所述第一资源；
    监听模块，用于在接收子帧、挂起的所述第一资源所在的子帧以及基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会的子帧上进行监听操作；
    资源排除模块，用于当目标时刻有新的高层业务包到达且判定目标时刻对应的选择窗口内第一资源预约的资源能够承载新的高层业务包时，根据目标时刻对应的监听窗口内监听到的信息进行资源排除判定；
    第一控制模块，用于若目标时刻对应的选择窗口内第一资源预约的资源被排除，释放挂起的所述第一资源以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选；
    第二控制模块，用于若目标时刻对应的选择窗口内第一资源预约的资源未被排除，在目标时刻对应的选择窗口内第一资源预约的资源上发送新的高层业务包。
  10. 根据权利要求9所述的网络节点，其中，所述资源排除模块包括：
    进程判断子模块，用于当目标时刻有新的高层业务包到达时，判断到达的新的高层业务包与挂起的第一资源是否属于同一进程；
    处理子模块，用于若新的高层业务包与挂起的第一资源不属于同一进程，确定所述目标时刻对应的选择窗口内第一资源预约的资源不能够承载所述新 的高层业务包且不对所述第一资源做处理；
    承载判定子模块，用于若新的高层业务包与挂起的所述第一资源属于同一进程，根据新的高层业务包的业务包大小和业务时延需求判定目标时刻对应的选择窗口内第一资源预约的资源是否能够承载新的高层业务包；
    资源排除子模块，用于当新的高层业务包的业务包大小满足第一预设条件，且业务时延需求满足第二预设条件，确定所述目标时刻对应的选择窗口内第一资源预约的资源能够承载所述新的高层业务包，并根据目标时刻对应的监听窗口内监听到的信息进行资源排除判定；
    资源重选子模块，用于当新的高层业务包的业务包大小不满足第一预设条件，或者业务时延需求不满足第二预设条件，确定所述目标时刻对应的选择窗口内第一资源预约的资源不能够承载所述新的高层业务包，释放挂起的所述第一资源以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选。
  11. 根据权利要求9所述的网络节点，其中，所述资源排除模块包括：
    第一资源确定子模块，用于确定目标时刻对应的选择窗口内第一资源预约的资源以及基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会对应的资源为检测资源；
    第二资源确定子模块，用于对所述目标时刻对应的监听窗口内的监听到的信息进行解码，确定所述监听窗口中成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源；
    判定子模块，用于判断所述预约资源与所述检测资源是否发生碰撞；
    第二资源排除子模块，用于若所述预约资源与所述检测资源未发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源未被排除；若所述预约资源与所述检测资源发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源被排除。
  12. 根据权利要求11所述的网络节点，还包括：
    第一排除模块，用于若预约资源与所述检测资源发生碰撞，确定目标时刻对应的选择窗口内第一资源预约的资源被排除；
    功率判断模块，用于预约资源与所述检测资源未发生碰撞，确定所述检测资源在目标时刻对应的监听窗口内的需要做功率平滑的资源，并对监听窗口内用于功率平滑的资源做线性功率平滑，得到平滑功率；若所述平滑功率小于预设门限值，确定目标时刻对应的选择窗口内第一资源预约的资源未被排除；若所述平滑功率大于或者等于预设门限值，确定目标时刻对应的选择窗口内第一资源预约的资源被排除。
  13. 根据权利要求11所述的网络节点，其中，所述第二资源确定子模块包括：
    第一资源确定单元，用于若挂起第一资源的时刻在所述目标时刻对应的监听窗口的起始时刻之前，对所述网络节点的监听窗口内监听到的所有信息进行解码，确定所述监听窗口中所有成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源。
  14. 根据权利要求11所述的网络节点，其中，所述第二资源确定子模块包括：
    第二资源确定单元，用于若挂起第一资源的时刻在所述目标时刻对应的监听窗口的起始时刻之后，且挂起第一资源的时刻在所述监听窗口的结束时刻之前，对所述监听窗口内从挂起第一资源的时刻开始至监听窗口的结束时刻之间的监听到的信息进行解码，确定成功解码的调度信令指示的下一次发送的或者下几次发送的预约资源。
  15. 根据权利要求9或11所述的网络节点，其中，基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会为：所述第一资源确定的多次发送机会中，位于所述目标时刻对应的选择窗口之后的发送机会；
    或者，基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会为：所述第一资源确定的多次发送机会之后根据半静态调度周期确定 的又一次发送机会。
  16. 根据权利要求9所述的网络节点，其中，当网络节点当前维护的第一资源包括初传资源以及一份或多份重传资源时，分别判定初传资源以及一份或多份重传资源在选择窗口内分别对应的资源是否被排除；
    当对应的任意一份资源被排除时，则确定释放第一资源包括的初传资源和所有的重传资源，以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选；当对应的所有资源均未被排除时，则确定在对应的资源上发送新的高层业务包。
  17. 一种网络节点，包括：
    处理器，通过总线接口与所述处理器相连接的存储器，以及通过总线接口与所述处理器相连接的收发机；
    所述处理器用于读取所述存储器中的计算机可读程序以执行下列操作：
    当网络节点当前维护的第一资源的内部维护资源计数器counter的值大于零且所述第一资源到达时刻无高层业务包发送时，挂起所述第一资源；
    在接收子帧、挂起的所述第一资源所在的子帧以及基于网络节点的半静态调度周期确定的与所述第一资源对应的后续发送机会的子帧上进行监听操作；
    当目标时刻有新的高层业务包到达且判定目标时刻对应的选择窗口内第一资源预约的资源能够承载新的高层业务包时，根据目标时刻对应的监听窗口内监听到的信息进行资源排除判定；
    若目标时刻对应的选择窗口内第一资源预约的资源被排除，释放挂起的所述第一资源以及所述第一资源的内部维护资源计数器counter的值，并触发资源重选；
    若目标时刻对应的选择窗口内第一资源预约的资源未被排除，在目标时刻对应的选择窗口内第一资源预约的资源上发送新的高层业务包；
    所述收发机用于接收和发送数据；
    所述存储器用于保存所述处理器执行操作时所使用的数据。
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