WO2019153965A1 - 一种接收处理方法和第一终端 - Google Patents

一种接收处理方法和第一终端 Download PDF

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Publication number
WO2019153965A1
WO2019153965A1 PCT/CN2018/125481 CN2018125481W WO2019153965A1 WO 2019153965 A1 WO2019153965 A1 WO 2019153965A1 CN 2018125481 W CN2018125481 W CN 2018125481W WO 2019153965 A1 WO2019153965 A1 WO 2019153965A1
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Prior art keywords
terminal
service
resource
excluded
rsrp threshold
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PCT/CN2018/125481
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English (en)
French (fr)
Inventor
冯媛
彭莹
赵锐
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电信科学技术研究院有限公司
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Publication of WO2019153965A1 publication Critical patent/WO2019153965A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the embodiment of the present invention relates to the field of vehicle networking V2X technologies, and in particular, to a receiving processing method and a first terminal.
  • V2X Vehicle-To-Everything
  • the PC5 interface also referred to as a straight-through link, described as Sidelink on the protocol
  • SPS Semi-Persistent Scheduling
  • R14/R15 are all broadcast services, and New Radio (NR) needs to introduce unicast/multicast services.
  • the broadcast service and the new unicast/multicast service may use different resource pools (different carriers or orthogonal resource pools), but it is also possible to share resource pools, which has not yet been determined. If the unicast/multicast service and the basic secure broadcast service use the shared resource pool mode, the receiving behavior and the receiving processing method of the UE in the manner of sharing the resource pool are not provided in the prior art.
  • the embodiment of the present invention provides a receiving processing method and apparatus, which are used to improve the reliability of selecting resources of a unicast or multicast service and avoid broadcasting in a unicast/multicast service and a basic secure broadcast service shared resource pool mode.
  • the service collides with the resources occupied by the unicast/multicast service.
  • An embodiment of the present application provides a method for receiving processing, including:
  • the scheduling message sent by the other terminal that is detected by the sensing window is analyzed; if the first terminal determines that it is a non-effective receiving user according to the scheduling message, the first terminal The terminal determines the to-be-excluded resource from the resource selection window according to the resource exclusion condition that is stricter than the broadcast service; the first terminal excludes the to-be-excluded resource from the resource selection window, and obtains the candidate resource; The sending resource is selected at the first terminal.
  • the strictness is higher than the resource exclusion condition of the broadcast service, and includes any one or more of the following conditions: the first item, the service received by the first terminal is a unicast service or a multicast service. And the RSRP threshold value when the first terminal determines the to-be-excluded resource is smaller than the RSRP threshold value when the terminal that receives the broadcast service determines the to-be-excluded resource; the second item, the service received by the first terminal is the unicast service Or the multicast service, and the number of subsequent reservations when the first terminal determines the to-be-excluded resource is M, and M is greater than 1; the third item, the service received by the first terminal is a unicast service or a multicast service, and The number of subsequent reservations when the first terminal determines the resource to be excluded is greater than the number of subsequent reservations when the terminal receiving the broadcast service determines the resource to be excluded.
  • the number of subsequent reservations is pre-configured by the system or obtained from the scheduling information.
  • the first terminal determines that the RSRP threshold value when the resource to be excluded is smaller than when the terminal that receives the broadcast service determines the to-be-excluded resource.
  • the RSRP threshold value includes: if the unicast service or the multicast service indicated by the user is sent, the first terminal determines the to-be-excluded resource: the RSRP threshold is less than the priority of the RSRP threshold of the broadcast service. .
  • the first terminal determines that the RSRP threshold value of the to-be-excluded resource is smaller than when the terminal that receives the broadcast service determines the to-be-excluded resource.
  • the RSRP threshold includes: if the system configures a set of priorities for the unicast service, the multicast service, and the broadcast service, the first terminal determines, when the resource is to be excluded, the unicast service indicated by the user.
  • the same priority RSRP threshold is not less than the same priority RSRP threshold of the multicast service indicated by the user, and the same priority RSRP threshold of the multicast service indicated by the sending user is smaller than the broadcast service indicated by the sending user.
  • Priority RSRP threshold if the system assigns a set of priorities to the unicast service and the multicast service, and assigns a set of priorities to the broadcast service, the first terminal determines the resource to be excluded when selecting: sending the user indication
  • the same priority RSRP threshold of the unicast service or the multicast service is smaller than the same priority RSRP threshold of the broadcast service indicated by the sending user.
  • the scheduling message includes a preset target identifier
  • the first terminal determines, according to the scheduling message, that the user is a non-effective receiving user, and includes: if the service received by the first terminal is a unicast service, And the identifier of the first terminal is inconsistent with the preset target identifier; or the service received by the first terminal is a multicast service, and the identifier of the group where the first terminal is located and the preset target The identifiers are inconsistent; then the first terminal determines that it is a non-effective receiving user.
  • the method further includes: if the service data received by the first terminal is a unicast service or a multicast service, and the first terminal is not If the user is effectively received, the first terminal determines that the service data is non-effectively receiving data; and the first terminal discards the non-effective data.
  • the embodiment of the present application provides a first terminal, including:
  • the monitoring unit is configured to analyze, if the resource selection needs to be triggered, the scheduling message sent by the other terminal monitored by the sensing window;
  • a determining unit configured to determine, according to the scheduling message, that the first terminal is a non-effective receiving user, determining, according to a resource exclusion condition that is stricter than a broadcast service, a resource to be excluded from the resource selection window;
  • a resource selection unit configured to exclude the to-be-excluded resource from the resource selection window to obtain a candidate resource, where the candidate resource is used by the first terminal to select a transmission resource.
  • the strictness is higher than a resource exclusion condition of the broadcast service, including any one or more of the following conditions:
  • the first one, the service received by the first terminal is a unicast service or a multicast service, and the RSRP threshold value when the first terminal determines the to-be-excluded resource is smaller than the RSRP when the terminal receiving the broadcast service determines the to-be-excluded resource Threshold value
  • the second item, the service received by the first terminal is a unicast service or a multicast service, and the number of subsequent reservations when the first terminal determines the resource to be excluded is M, and M is greater than 1;
  • the third item is that the service received by the first terminal is a unicast service or a multicast service, and the number of subsequent reservations when the first terminal determines the to-be-excluded resource is greater than the subsequent reservation when the terminal that receives the broadcast service determines the to-be-excluded resource frequency.
  • the number of subsequent reservations is pre-configured by the system or obtained from the scheduling information.
  • the first terminal determines that the RSRP threshold value when the resource to be excluded is smaller than when the terminal that receives the broadcast service determines the to-be-excluded resource.
  • the RSRP threshold value includes: if the unicast service or the multicast service indicated by the user is sent, the first terminal determines the to-be-excluded resource: the RSRP threshold is less than the priority of the RSRP threshold of the broadcast service. .
  • the first terminal determines that the RSRP threshold value of the to-be-excluded resource is smaller than when the terminal that receives the broadcast service determines the to-be-excluded resource.
  • the RSRP threshold includes: if the system configures a set of priorities for the unicast service, the multicast service, and the broadcast service, the first terminal determines, when the resource is to be excluded, the unicast service indicated by the user.
  • the same priority RSRP threshold is not less than the same priority RSRP threshold of the multicast service indicated by the user, and the same priority RSRP threshold of the multicast service indicated by the sending user is smaller than that of the broadcast service indicated by the sending user.
  • the same priority RSRP threshold if the system assigns a set of priorities to the unicast service and the multicast service, and assigns a set of priorities to the broadcast service, the first terminal determines the resource to be excluded: the sending user
  • the same priority RSRP threshold value of the indicated unicast service or the multicast service is smaller than the same priority RSRP threshold value of the broadcast service indicated by the sending user.
  • the scheduling message includes a preset target identifier, where the determining unit is configured to: if the received service is a unicast service, and the identifier of the first terminal is inconsistent with the preset target identifier Or, the received service is a multicast service, and the identifier of the group where the first terminal is located is inconsistent with the preset target identifier; the first terminal determines that the user is a non-effective receiving user.
  • the processing unit is further configured to: if the service data received by the first terminal is a unicast service or a multicast service, and the first terminal is a non-effective receiving user, And the first terminal determines that the service data is non-effectively receiving data; and the processing unit is configured to discard the non-effective data.
  • An embodiment of the present application provides an electronic device, including:
  • At least one processor and,
  • transceiver and a memory communicatively coupled to the at least one processor;
  • the memory stores instructions executable by the at least one processor, the instructions being executed by the at least one processor to enable the at least one processor to perform the receive processing method of any of the preceding embodiments .
  • the embodiment of the present application provides a computer readable storage medium storing computer instructions for causing the computer to execute the receiving processing method described in any of the foregoing embodiments.
  • the first terminal determines that the resource selection needs to be triggered, the first terminal detects the scheduling message sent by the other terminal that is monitored by the sensing window; if the first terminal determines that it is a non-effective receiving user according to the scheduling message, The first terminal determines the resource to be excluded from the resource selection window according to the resource exclusion condition that is stricter than the broadcast service; when the first terminal is a non-effective receiving user, the received service is a unicast service or a multicast service, that is, It is said that the unicast service or the multicast service has stricter resource exclusion than the broadcast service.
  • the first terminal excludes the to-be-excluded resource from the resource selection window to obtain the candidate resource, and the candidate resource is used by the first terminal to select the transmission resource. Therefore, when the transmission resource is determined, the reliability of the unicast service or the broadcast service is higher than the broadcast service. Reliability.
  • FIG. 1 is a schematic structural diagram of a system applicable to an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a receiving processing method according to Embodiment 1 of the present application.
  • FIG. 3 is a schematic diagram of time-frequency resources corresponding to resource selection according to an embodiment of the present disclosure
  • FIG. 4 is a schematic structural diagram of a first terminal according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
  • the common vehicle network mainly includes four application scenarios: Vehicle to Network (V2N), Vehicle to Vehicle (V2V), Vehicle to Infrastructure (V2I) and vehicle. People to Pedestrian (V2P) and so on.
  • V2V scenario mainly involved in the embodiment of the present application.
  • the interaction between the first terminal and the other terminals is described, and the other terminals are the collective names of any one or more terminals that interact with the first terminal.
  • the following system architecture is provided by taking other terminals as the second terminal as an example.
  • FIG. 1 is a schematic diagram of a system architecture to which an embodiment of the present application is applied.
  • the system architecture can include a first terminal 101 and a second terminal 102.
  • the first terminal and the second terminal shown in FIG. 1 take the vehicle as an example, and the first terminal 101 and the second terminal 102 transmit data through the PC5 interface.
  • FIG. 2 exemplarily shows a schematic flowchart of a method for message processing provided by an embodiment of the present application. As shown in FIG. 2, the method includes the following steps:
  • Step 201 If the first terminal determines that the resource selection needs to be triggered, the first terminal analyzes the scheduling message sent by the other terminal that is monitored by the sensing window.
  • Step 202 If the first terminal determines that it is a non-effective receiving user according to the scheduling message, the first terminal determines the to-be-excluded resource from the resource selection window according to the resource exclusion condition that is stricter than the broadcast service;
  • Step 203 The first terminal excludes the to-be-excluded resource from the resource selection window to obtain a candidate resource, where the candidate resource is used by the first terminal to select a sending resource.
  • the first terminal if the first terminal determines that the resource selection needs to be triggered, the first terminal analyzes the scheduling message sent by the other terminal that is detected by the sensing window; if the first terminal determines that it is a non-effective receiving user according to the scheduling message, and needs to trigger If the resource is selected, the first terminal determines the resource to be excluded from the resource selection window according to the resource exclusion condition that is stricter than the broadcast service; when the first terminal is a non-effective receiving user, the received service is a unicast service or multicast. Service, that is, stricter resource exclusion for unicast or multicast services than broadcast services.
  • the first terminal excludes the to-be-excluded resource from the resource selection window to obtain the candidate resource, and the candidate resource is used by the first terminal to select the transmission resource. Therefore, when the transmission resource is determined, the reliability of the unicast service or the broadcast service is higher than the broadcast service. Reliability.
  • the general scheduling information SA includes the following information: priority (8 types) is 3 bits; resource reservation period index value: 4 bits, which is used to indicate a resource reservation period, and the resources indicated by the current SA will continue in the next reservation period. use.
  • priority 8 types
  • resource reservation period index value 4 bits, which is used to indicate a resource reservation period, and the resources indicated by the current SA will continue in the next reservation period. use.
  • the corresponding relationship between the resource reservation period index value and the resource reservation period is configured by the high layer signaling; the frequency domain resource location (starting point/length) occupied by the retransmission is less than or equal to 8 bits, and is used to indicate the initial transmission of the current SA indication.
  • Frequency resource occupied by retransmitted data Frequency resource occupied by retransmitted data; time interval of initial transmission/retransmission: 4 bits, when there is only one transmission, the current bit information bits are all set to 0; modulation and coding: 5 bits; retransmission indication: 1 bit Indicates whether the data associated with the current SA is initial transmission or retransmission; reserved/padding bits: greater than or equal to 7 bits.
  • the scheduling information includes a preset target identifier in addition to the foregoing information, in order to determine whether the first terminal is a non-effective receiving user.
  • the first terminal determines that it is a non-effective receiving user according to the scheduling message, and includes the following two options:
  • the first optional mode is: if the service received by the first terminal is a unicast service, and the identifier of the first terminal is inconsistent with the preset target identifier, the first terminal determines that the user is a non-effective receiving user;
  • the second optional mode is that the service received by the first terminal is a multicast service, and the identifier of the group in which the first terminal is located is inconsistent with the preset target identifier, and the first terminal determines that the user is a non-effective receiving user.
  • whether the service received by the first terminal is a unicast service or a multicast service is determined according to the scheduling information.
  • the method further includes: if the service data received by the first terminal is a unicast service or a multicast service, and the first terminal is a non-effective receiving user, A terminal determines that the service data is non-effectively receiving data; the first terminal discards the non-valid data. In this way, after receiving the non-valid data, the first terminal does not need to submit to the upper application layer, and thus does not need to perform the merge processing, thereby reducing the network overhead and the complexity of the data processing.
  • the resource exclusion window needs to be excluded in the resource selection window. If the first terminal does not need to trigger resource selection, no resource exclusion is performed.
  • FIG. 3 is a schematic diagram of time-frequency resources corresponding to resource selection according to an embodiment of the present disclosure.
  • the resources to be excluded are determined, mainly including the following two categories:
  • the first type as shown in the sensing window of FIG. 3, is affected by the half-duplex transmission mode, and the first terminal itself cannot listen to other UEs in the current transmitting subframe when transmitting the service.
  • the service packet, the above subframe is called a skip subframe. Therefore, it is necessary to assume that other UEs in the skip subframe have reserved the next resource in all possible periods Pk of the system configuration, wherein all possible periods Pk constitute a Pk set, which is configured by the network or pre-configured by the system.
  • the resources to be excluded are excluded from the resource selection window, that is, the exclusion of the occupied resources is performed, and the candidate resources are obtained.
  • the method further includes:
  • the first terminal determines whether the proportion of the candidate resources in the resource selection window reaches a preset ratio. Take the preset ratio of 20% as an example. If it does not reach 20%, re-adjust the above RSRP threshold. For example, each time the RSRP threshold is increased by 3 dB, the determination of the resource to be excluded is determined until the proportion of the candidate resource in the resource selection window reaches or exceeds a preset ratio of 20%.
  • the above preset ratio may be limited according to actual needs, and is not limited to the listed 20%. As such, it can be guaranteed that there are enough candidate resources for the first terminal to select.
  • the first terminal selects a sending resource among the candidate resources.
  • the specific way is as follows:
  • S-RSSI measurement and S-RSSI measurement value ranking are performed on the candidate resource. If the proportion of the candidate resource in the resource selection window is equal to the preset ratio, the transmission resource is directly selected from the candidate resources; if the candidate resource is in the resource selection window If the proportion of the medium is higher than the preset ratio, the ratio of the S-RSSI measurement value that is lower in the resource selection window is equal to the preset ratio of the time-frequency resource, and the transmission is selected from the candidate resources. Resources.
  • the first terminal selects one transmission resource from the candidate resources to transmit the data packet, and the selection mode is equal probability selection, that is, if there are 10 candidate resources, then each candidate The resource is selected as the probability of sending the resource, which is 10%.
  • the first terminal needs to select two transmission resources from the candidate resources, where the two transmission resources are represented as Tn and Tn+k in the time domain, where the two resources are in the time domain.
  • the upper limit is -15 ⁇ k ⁇ 15 and k ⁇ 0.
  • the specific selection method may be: first selecting a transmission resource from the candidate resources according to the equal probability selection manner, and then selecting the second resource according to the qualified condition.
  • the strictness of the resource exclusion condition of the unicast service or the multicast service in the embodiment of the present application is higher than the resource exclusion condition of the broadcast service, and the strictness is Resource exclusion conditions above the broadcast service mainly include any one or more of the following conditions:
  • the first one is that the service received by the first terminal is a unicast service or a multicast service, and the RSRP threshold value when the first terminal determines the to-be-excluded resource is smaller than the RSRP threshold value when the terminal that receives the broadcast service determines the to-be-excluded resource.
  • the lower the RSRP the farther the distance of other terminals is.
  • the lower the RSRP threshold in the first condition is, the more the resources occupied by the terminals are excluded. Therefore, the unicast service or the multicast service can be enabled.
  • the candidate resource reliability is higher than the candidate resource reliability of the broadcast service.
  • the second item is that the service received by the first terminal is a unicast service or a multicast service, and the number of subsequent reservations when the first terminal determines the to-be-excluded resource is M, and M is an integer greater than 1.
  • This method can be a preset number of reservations M, and it is considered to exclude M resources when performing resource exclusion.
  • the third item is that the service received by the first terminal is a unicast service or a multicast service, and the number of subsequent reservations when the first terminal determines the to-be-excluded resource is greater than the number of subsequent reservations when the terminal that receives the broadcast service determines the to-be-excluded resource.
  • This method can be used to perform resource exclusion based on the number of reservations carried in the SA.
  • the reliability of the candidate resources of the broadcast service or the multicast service is higher than that of the broadcast service by using the resource to be excluded determined by the resource exclusion condition of the broadcast service.
  • the priority PPPP has a total of 8 levels, and the specified RSRP is for the RSRP value of the 8*8 total of 64 ⁇ send users, receive users ⁇ priority pairs.
  • the PPPP for transmitting the user's resources is unique and can be obtained from the information indicated by the SA.
  • the current PPPP standard for the resources of the receiving node is not clear.
  • the PPPP may select the PPPP corresponding to the unique service. If the receiving user has multiple services, PPPP can have the following implementations:
  • the first terminal determines that the RSRP threshold value of the to-be-excluded resource is smaller than the terminal that receives the broadcast service, and determines the to-be-excluded resource.
  • the RSRP threshold value includes: if the unicast service or the multicast service indicated by the user is sent, the first terminal determines the to-be-excluded resource and selects the receiving user to select: the RSRP threshold is smaller than the RSRP threshold of the broadcast service. priority.
  • the first terminal determines that the RSRP threshold value of the to-be-excluded resource is smaller than the terminal that receives the broadcast service, and determines the to-be-excluded resource.
  • the RSRP threshold value includes the following two cases:
  • the first terminal determines the resource to be excluded: the same priority RSRP gate that sends the unicast service indicated by the user.
  • the limit is not less than the same priority RSRP threshold of the multicast service indicated by the user, and the same priority RSRP threshold of the multicast service indicated by the sending user is smaller than the same priority RSRP threshold of the broadcast service indicated by the sending user. value;
  • the first terminal determines, when the resource is to be excluded, the unicast service indicated by the user or The same priority RSRP threshold of the multicast service is smaller than the same priority RSRP threshold of the broadcast service indicated by the sending user.
  • the sensing window monitors the scheduling message sent by the other terminal; if the first terminal determines, according to the scheduling message, The non-effectively receiving the user, the first terminal determines the resource to be excluded from the resource selection window according to the resource exclusion condition that is stricter than the broadcast service; when the first terminal is a non-effective receiving user, the received service is a unicast service or The multicast service, that is to say, the unicast service or the multicast service has stricter resource exclusion than the broadcast service.
  • the first terminal excludes the to-be-excluded resource from the resource selection window to obtain the candidate resource, and the candidate resource is used by the first terminal to select the transmission resource. Therefore, when the transmission resource is determined, the reliability of the unicast service or the broadcast service is higher than the broadcast service. Reliability.
  • FIG. 4 is a schematic structural diagram of a first terminal according to an embodiment of the present application, where the first terminal may implement any one or more corresponding methods as shown in FIG. 2 above.
  • the first terminal 400 may include a listening unit 401, a determining unit 402, and a resource selecting unit 403.
  • a processing unit 404 is further included. among them:
  • the monitoring unit 401 is configured to: if it is determined that the resource selection needs to be triggered, analyze the scheduling message sent by the sensing terminal to the other terminal;
  • the determining unit 402 is configured to determine, according to the scheduling message, that the first terminal is a non-effective receiving user, and that the resource selection needs to be triggered, determining, according to the resource exclusion condition that is stricter than the broadcast service, the resource to be excluded from the resource selection window. ;
  • the resource selection unit 403 is configured to exclude the to-be-excluded resource from the resource selection window to obtain a candidate resource, where the candidate resource is used by the first terminal to select a transmission resource.
  • the strictness is higher than a resource exclusion condition of the broadcast service, including any one or more of the following conditions:
  • the RSRP threshold value when the first terminal determines the to-be-excluded resource is smaller than the RSRP threshold when the terminal that determines the to-be-excluded resource is determined by the first terminal.
  • the service received by the first terminal is a unicast service or a multicast service, and the number of subsequent reservations when the first terminal determines the resource to be excluded is M, and M is greater than 1;
  • the service received by the first terminal is a unicast service or a multicast service, and the number of subsequent reservations when the first terminal determines the to-be-excluded resource is greater than the number of subsequent reservations when the terminal that receives the broadcast service determines the to-be-excluded resource.
  • the number of subsequent reservations is pre-configured by the system or obtained from the scheduling information.
  • the first terminal determines that the RSRP threshold value when the resource to be excluded is smaller than when the terminal that receives the broadcast service determines the to-be-excluded resource.
  • the RSRP threshold value includes: if the unicast service or the multicast service indicated by the user is sent, the first terminal determines the to-be-excluded resource and selects the receiving user selection: the RSRP threshold is smaller than the RSRP threshold of the broadcast service. Priority.
  • the first terminal determines that the RSRP threshold value of the to-be-excluded resource is smaller than when the terminal that receives the broadcast service determines the to-be-excluded resource.
  • the RSRP threshold includes:
  • the first terminal determines, when the resource is to be excluded, the same priority RSRP threshold of the unicast service indicated by the user.
  • the same priority RSRP threshold value of the multicast service that is sent by the user is not less than the same priority RSRP threshold value of the multicast service indicated by the sending user;
  • the first terminal determines, when the resource is to be excluded, the unicast service or the multicast indicated by the user.
  • the same priority RSRP threshold of the service is smaller than the same priority RSRP threshold of the broadcast service indicated by the sending user.
  • the scheduling message includes a preset target identifier
  • the determining unit 402 is configured to: if the received service is a unicast service, and the identifier of the first terminal and the preset target identifier If the received service is a multicast service, and the identifier of the group where the first terminal is located is inconsistent with the preset target identifier, the first terminal determines that the user is a non-effective receiving user.
  • the determining unit 402 is further configured to: if the service data received by the first terminal is a unicast service or a multicast service, and the first terminal is a non-effective receiving user, A terminal determines that the service data is non-effectively receiving data; and the processing unit 404 is configured to discard the non-effective data.
  • the sensing window monitors the scheduling message sent by the other terminal; if the first terminal determines, according to the scheduling message, The non-effectively receiving the user, the first terminal determines the resource to be excluded from the resource selection window according to the resource exclusion condition that is stricter than the broadcast service; when the first terminal is a non-effective receiving user, the received service is a unicast service or The multicast service, that is to say, the unicast service or the multicast service has stricter resource exclusion than the broadcast service.
  • the first terminal excludes the to-be-excluded resource from the resource selection window to obtain the candidate resource, and the candidate resource is used by the first terminal to select the transmission resource. Therefore, when the transmission resource is determined, the reliability of the unicast service or the broadcast service is higher than the broadcast service. Reliability.
  • the present application provides an electronic device including at least one processor; and a transceiver and a memory communicatively coupled to the at least one processor; the memory being stored for execution by the at least one processor An instruction executed by the at least one processor to enable the at least one processor to perform the receiving processing method in the above embodiments.
  • FIG. 5 is a schematic structural diagram of an electronic device provided by the present application.
  • the electronic device includes a transceiver 501, a processor 502, a memory 503, and a communication interface 504; wherein the transceiver 501, the processor 502, the memory 503, and the communication interface 504 are connected to one another via a bus 505.
  • the memory 503 is used to store programs.
  • the program can include program code, the program code including computer operating instructions.
  • the memory 503 may be a volatile memory, such as a random-access memory (RAM), or a non-volatile memory, such as a flash memory.
  • RAM random-access memory
  • non-volatile memory such as a flash memory.
  • HDD hard disk drive
  • SSD solid-state drive
  • the memory 503 stores the following elements, executable modules or data structures, or a subset thereof, or an extended set thereof:
  • Operation instructions include various operation instructions for implementing various operations.
  • Operating system Includes a variety of system programs for implementing various basic services and handling hardware-based tasks.
  • the bus 505 can be a peripheral component interconnect (PCI) bus or an extended industry standard architecture (EISA) bus.
  • PCI peripheral component interconnect
  • EISA extended industry standard architecture
  • the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 5, but it does not mean that there is only one bus or one type of bus.
  • the processor 502 can be a central processing unit (CPU), a network processor (NP) or a combination of a CPU and an NP. It can also be a hardware chip.
  • the hardware chip may be an application-specific integrated circuit (ASIC), a programmable logic device (PLD) or a combination thereof.
  • the PLD may be a complex programmable logic device (CPLD), a field-programmable gate array (FPGA), a general array logic (GAL) or any combination.
  • the transceiver 501 is configured to: if it is determined that the resource selection needs to be triggered, listen to the scheduling message sent by the other terminal from the sensing window;
  • the processor 502 is configured to read a program in the memory 503 and perform the following methods:
  • the first terminal determines, according to a resource exclusion condition that is stricter than a broadcast service, a resource to be excluded from the resource selection window; A terminal excludes the to-be-excluded resource from the resource selection window to obtain a candidate resource, where the candidate resource is used by the first terminal to select a transmission resource.
  • the memory 503 is configured to store one or more executable programs, and may store data used by the processor 502 when performing operations.
  • the strictness is higher than a resource exclusion condition of the broadcast service, including any one or more of the following conditions:
  • the service received by the transceiver 501 is a unicast service or a multicast service, and the number of subsequent reservations when the processor 502 determines the resource to be excluded is M, and M is greater than 1;
  • the service received by the transceiver 501 is a unicast service or a multicast service, and the number of subsequent reservations when the processor 502 determines the resource to be excluded is greater than the number of subsequent reservations when the terminal receiving the broadcast service determines the resource to be excluded.
  • the number of subsequent reservations is pre-configured by the system or obtained from the scheduling information.
  • the processor 502 determines that the RSRP threshold value when the resource to be excluded is smaller than when the terminal that receives the broadcast service determines the to-be-excluded resource.
  • the RSRP threshold value includes: if the unicast service or the multicast service indicated by the user is sent, the processor 502 determines the to-be-excluded resource and selects the user selection: the RSRP threshold is smaller than the RSRP threshold of the broadcast service. Priority.
  • the processor 502 determines that the RSRP threshold value when the resource to be excluded is smaller than when the terminal that receives the broadcast service determines the to-be-excluded resource.
  • the RSRP threshold includes:
  • the processor 502 determines, when the resource to be excluded, the same priority RSRP gate that sends the unicast service indicated by the user.
  • the limit is not less than the same priority RSRP threshold of the multicast service indicated by the user, and the same priority RSRP threshold of the multicast service indicated by the sending user is smaller than the same priority RSRP threshold of the broadcast service indicated by the sending user. value;
  • the processor 502 determines, when the resource to be excluded, the unicast service or the multicast service indicated by the user.
  • the same priority RSRP threshold is less than the same priority RSRP threshold of the broadcast service indicated by the sending user.
  • the scheduling message includes a preset target identifier; the processor 502 is configured to:
  • the service received by the transceiver 501 is a unicast service, and the identifier of the electronic device is inconsistent with the preset target identifier, or the service received by the transceiver 501 is a multicast service, and the electronic device is located.
  • the identifier of the group is inconsistent with the preset target identifier; then it is determined that it is a non-effective receiving user.
  • the processor 502 is further configured to: if the received service data is a unicast service or a multicast service, and the first terminal is a non-effective receiving user, determining that the service data is inactive receiving Data; discarding the non-valid data.
  • embodiments of the present application can be provided as a method, system, or computer program product.
  • the present application can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment in combination of software and hardware.
  • the application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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Abstract

本申请实施例涉及车联网V2X技术领域，尤其涉及一种接收处理方法和第一终端，用以实现在单播/组播业务与基本安全广播业务共享资源池方式下，提高单播或组播业务占用资源的可靠性。第一终端若确定需要触发资源选择，则对于感知窗口监听到的其它终端发送的调度消息进行分析；若根据调度消息确定自身为非有效接收用户，则按照严格性高于广播业务的资源排除条件从资源选择窗口中确定出待排除资源；由于第一终端为非有效接收用户时，接收的业务为单播业务或者组播业务，因此，第一终端从资源选择窗口排除待排除资源，得到用于第一终端选择传输资源的候选资源，单播业务或广播业务的可靠性高于广播业务的可靠性。

Description

一种接收处理方法和第一终端
本申请要求在2018年2月9日提交中国专利局、申请号为201810136212.0、发明名称为“一种接收处理方法和第一终端”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及车联网V2X技术领域，尤其涉及一种接收处理方法和第一终端。
背景技术
随着车联网技术和产业的发展，在长期演进(Long Term Evolution，简称LTE)的车联网(Vehicle-To-Everything，简称V2X)技术中，如Rel-14 LTE V2X技术，用户设备(user equipment，简称UE)与UE之间传输数据的PC5接口(也称为直通链路，协议上描述为Sidelink)已经可以支持基本的基于道路安全的业务数据的传输。Rel-14 LTE V2X技术采用基于广播的传输机制，采用半持续性调度(Semi-Persistent Scheduling，简称SPS)过程进行资源调度，资源和发送次数是确定的，其业务是周期性的安全业务。
随着车联网技术的进一步发展，新的一些应用场景的出现，例如：车辆编队、高级驾驶、传感器信息共享、以及远程控制等应用。这些应用中有些要求的是一个组内的UE之间的通信，或者两个UE之间的单播的通信。R14/R15都是广播业务，新空口(New Radio，简称NR)需要引入单播/组播业务。广播业务与新的单播/组播业务可能是使用不同的资源池(不同的载波或者正交的资源池)，但也可能共享资源池，现在还没有确定。如果是单播/组播业务与基本安全广播业务使用共享资源池方式，现有技术中并没有提供这种共享资源池的方式下UE的接收行为以及接收处理方法。
发明内容
本申请实施例提供一种接收处理方法和装置，用以实现在单播/组播业务与基本安全广播业务共享资源池方式下，提高单播或组播业务的选择资源的可靠性，避免广播业务与单播/组播业务占用的资源发生碰撞。
本申请实施例提供一种接收处理的方法，包括：
第一终端若确定需要触发资源选择，则对于感知窗口监听到的其它终端发送的调度消息进行分析；若所述第一终端根据所述调度消息确定自身为非有效接收用户，则所述第一终端按照严格性高于广播业务的资源排除条件从资源选择窗口中确定出待排除资源；所述第一终端从所述资源选择窗口排除所述待排除资源，得到候选资源；所述候选资源用于所 述第一终端选择发送资源。
可选的，所述严格性高于广播业务的资源排除条件，包括以下条件中的任一项或任多项：第一项，所述第一终端接收的业务为单播业务或组播业务、且所述第一终端确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值；第二项，所述第一终端接收的业务为单播业务或组播业务、且所述第一终端确定待排除资源时的后续预约次数为M，且M大于1；第三项，所述第一终端接收的业务为单播业务或组播业务、且所述第一终端确定待排除资源时的后续预约次数大于接收广播业务的终端确定待排除资源时的后续预约次数。
可选的，所述后续预约次数为系统预先配置、或从所述调度信息中得到。
可选的，若系统为单播业务、组播业务和广播业务配置一套优先级，则所述第一终端确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值，具体包括：若发送用户指示的单播业务或组播业务，则所述第一终端确定待排除资源时选择：RSRP门限值小于广播业务的RSRP门限值的优先级。
可选的，若系统为单播业务、组播业务和广播业务配置多套优先级，则所述第一终端确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值，具体包括：若系统为单播业务、组播业务和广播业务各自配置一套优先级，则所述第一终端确定待排除资源时选择：发送用户指示的单播业务的相同优先级RSRP门限值不小于发送用户指示的组播业务的相同优先级RSRP门限值、且发送用户指示的组播业务的相同优先级RSRP门限值小于发送用户指示的广播业务的相同优先级RSRP门限值；若系统为单播业务和组播业务分配一套优先级、并为广播业务分配一套优先级，则所述第一终端确定待排除资源时选择：发送用户指示的单播业务或组播业务的相同优先级RSRP门限值小于发送用户指示的广播业务的相同优先级RSRP门限值。
可选的，所述调度消息中包括预设的目标标识；所述第一终端根据所述调度消息确定自身为非有效接收用户，包括：若所述第一终端接收的业务为单播业务、且所述第一终端的标识与所述预设的目标标识不一致；或者，所述第一终端接收的业务为组播业务、且所述第一终端所在组的标识与所述预设的目标标识不一致；则所述第一终端确定自身为非有效接收用户。
可选的，所述第一终端监听到其它终端发送的调度消息之后，还包括：若所述第一终端接收到的业务数据为单播业务或组播业务、且所述第一终端为非有效接收用户，则所述第一终端确定所述业务数据为非有效接收数据；所述第一终端将所述非有效数据丢弃。
本申请实施例提供一种第一终端，包括：
监听单元，用于若确定需要触发资源选择，则对于感知窗口监听到的其它终端发送的调度消息进行分析；
确定单元，用于若根据所述调度消息确定第一终端为非有效接收用户，则按照严格性高于广播业务的资源排除条件从资源选择窗口中确定出待排除资源；
资源选择单元，用于从所述资源选择窗口排除所述待排除资源，得到候选资源；所述候选资源用于所述第一终端选择发送资源。
可选的，所述严格性高于广播业务的资源排除条件，包括以下条件中的任一项或任多项：
第一项，所述第一终端接收的业务为单播业务或组播业务、且所述第一终端确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值；
第二项，所述第一终端接收的业务为单播业务或组播业务、且所述第一终端确定待排除资源时的后续预约次数为M，且M大于1；
第三项，所述第一终端接收的业务为单播业务或组播业务、且所述第一终端确定待排除资源时的后续预约次数大于接收广播业务的终端确定待排除资源时的后续预约次数。
可选的，所述后续预约次数为系统预先配置、或从所述调度信息中得到。
可选的，若系统为单播业务、组播业务和广播业务配置一套优先级，则所述第一终端确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值，具体包括：若发送用户指示的单播业务或组播业务，则所述第一终端确定待排除资源时选择：RSRP门限值小于广播业务的RSRP门限值的优先级。
可选的，若系统为单播业务、组播业务和广播业务配置多套优先级，则所述第一终端确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值，具体包括：若系统为为单播业务、组播业务和广播业务各自配置一套优先级，则所述第一终端确定待排除资源时选择：发送用户指示的单播业务的相同优先级RSRP门限值不小于发送用户指示的组播业务的相同优先级RSRP门限值、且发送用户指示的组播业务的相同优先级RSRP门限值小于发送用户指示的广播业务的相同优先级RSRP门限值；若系统为为单播业务和组播业务分配一套优先级、并为广播业务分配一套优先级，则所述第一终端确定待排除资源时选择：发送用户指示的单播业务或组播业务的相同优先级RSRP门限值小于发送用户指示的广播业务的相同优先级RSRP门限值。
可选的，所述调度消息中包括预设的目标标识；所述确定单元，用于：若接收的业务为单播业务、且所述第一终端的标识与所述预设的目标标识不一致，或者，接收的业务为组播业务、且所述第一终端所在组的标识与所述预设的目标标识不一致；则所述第一终端确定自身为非有效接收用户。
可选的，还包括处理单元；所述确定单元，还用于：若所述第一终端接收到的业务数据为单播业务或组播业务、且所述第一终端为非有效接收用户，则所述第一终端确定所述业务数据为非有效接收数据；所述处理单元，用于将所述非有效数据丢弃。
本申请实施例提供一种电子设备，包括：
至少一个处理器；以及，
与所述至少一个处理器通信连接的收发器和存储器；其中，
所述存储器存储有可被所述至少一个处理器执行的指令，所述指令被所述至少一个处理器执行，以使所述至少一个处理器能够执行前述任一实施例所述的接收处理方法。
本申请实施例提供一种计算机可读存储介质，所述计算机可读存储介质存储计算机指令，所述计算机指令用于使所述计算机执行前述任一实施例所述的接收处理方法。
本申请的上述实施例中，第一终端若确定需要触发资源选择，则对于感知窗口监听到的其它终端发送的调度消息进行分析；若第一终端根据调度消息确定自身为非有效接收用户，则第一终端按照严格性高于广播业务的资源排除条件从资源选择窗口中确定出待排除资源；由于第一终端为非有效接收用户时，接收的业务为单播业务或者组播业务，也就是说，本申请实施例对单播业务或组播业务比广播业务做了更严格的资源排除。进一步的，第一终端从资源选择窗口排除待排除资源，得到候选资源，候选资源用于第一终端选择传输资源，因此，确定传输资源时，单播业务或广播业务的可靠性高于广播业务的可靠性。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简要介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域的普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其它的附图。
图1为本申请实施例适用的系统架构示意图；
图2为本申请实施例一提供的一种接收处理方法所对应的流程示意图；
图3为本申请实施例提供的资源选择对应的时频资源示意图；
图4为本申请实施例提供的一种第一终端的结构示意图；
图5为本申请实施例提供的一种电子设备的结构示意图。
具体实施方式
为了使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本申请作进一步地详细描述。
本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别不同对象，而不是用于描述特定顺序。此外，术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包括。例如包括了一系列步骤或单元的过程、方法、系统、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选 地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。
常见的车联网主要包括四个应用场景：车与互联网互连(Vehicle to Network，简称V2N)、车车互联(Vehicle to Vehicle，简称V2V)、车路互联(Vehicle to Infrastructure，简称V2I)以及车人互联(Vehicle to Pedestrian，简称V2P)等。本申请实施例中的主要涉及到的V2V场景。本申请实施例中，以第一终端和其它终端之间的交互进行说明，其它终端表示与第一终端交互的任一个或任多个终端的统称，在本申请实施例中，其它终端为可以使用共享资源池中的时频资源的除第一终端之外的终端的统称。下面以其它终端为第二终端为例提供如下系统架构。
图1示出了应用本申请实施例适用的系统架构示意图。
如图1所示，该系统架构可以包括第一终端101和第二终端102。如图1所示的第一终端和第二终端均以车为例，第一终端101和第二终端102之间通过PC5接口传输数据。
基于图1所示的系统架构，图2示例性示出了本申请实施例提供的消息处理的方法流程示意图。如图2所示，该方法包括以下步骤：
步骤201，第一终端若确定需要触发资源选择，则对于感知窗口监听到的其它终端发送的调度消息进行分析；
步骤202，若所述第一终端根据所述调度消息确定自身为非有效接收用户，则所述第一终端按照严格性高于广播业务的资源排除条件从资源选择窗口中确定出待排除资源；
步骤203，所述第一终端从所述资源选择窗口排除所述待排除资源，得到候选资源；所述候选资源用于所述第一终端选择发送资源。
本申请实施例中，第一终端若确定需要触发资源选择，则对于感知窗口监听到的其它终端发送的调度消息进行分析；若第一终端根据调度消息确定自身为非有效接收用户、且需要触发资源选择，则第一终端按照严格性高于广播业务的资源排除条件从资源选择窗口中确定出待排除资源；由于第一终端为非有效接收用户时，接收的业务为单播业务或者组播业务，也就是说，对单播业务或组播业务比广播业务做了更严格的资源排除。进一步的，第一终端从资源选择窗口排除待排除资源，得到候选资源，候选资源用于第一终端选择传输资源，因此，确定传输资源时，单播业务或广播业务的可靠性高于广播业务的可靠性。
一般调度信息SA包括的信息如下：优先级(8种)为3比特；资源预约周期索引值：4比特，用以表示资源的预约周期，也就当前SA指示的资源会在下一个预约周期时继续使用。其中资源预约周期索引值与资源预约周期的对应关系是高层信令配置的；重传占用的的频域资源位置(起点/长度)：小于等于8比特，用于指示当前SA指示的初传和重传的数据占用的频率资源；初传/重传的时间间隔：4比特，当只有一次传输的时候，当前比特信息位全部置为0；调制与编码：5比特；重传指示：1比特，表示与当前SA关联的数据是初传还是重传；预留/padding比特：大于等于7比特。
为了更方便的确定第一终端是否为非有效接收用户，本申请实施例中，调度信息除了包括上述信息，还包括预设的目标标识。第一终端根据调度消息确定自身为非有效接收用户，包括以下两种可选的方式：
第一种可选的方式为，若第一终端接收的业务为单播业务、且第一终端的标识与预设的目标标识不一致，则第一终端确定自身为非有效接收用户；
第二种可选的方式为，第一终端接收的业务为组播业务、且第一终端所在组的标识与预设的目标标识不一致，则第一终端确定自身为非有效接收用户。
本申请实施例中所涉及的，第一终端接收的业务是否单播业务或组播业务，是根据调度信息确定的。
进一步的，可以根据上述两种可选的方式，确定第一终端接收的业务数据是否为非有效数据。可选的，第一终端监听到其它终端发送的调度消息之后，还包括：若第一终端接收到的业务数据为单播业务或组播业务、且第一终端为非有效接收用户，则第一终端确定业务数据为非有效接收数据；第一终端将非有效数据丢弃。如此，第一终端接收到非有效数据之后，不需要向上层应用层递交，也就不需要做合并处理，进而可以降低网络开销和数据处理的复杂度。
本申请实施例中，若第一终端需要触发资源选择，则需要在资源选择窗口中进行待排除资源的排除。若第一终端不需要触发资源选择，则不进行资源排除。
对于广播业务来说，具体的资源排除条件如下述实施例。
图3为本申请实施例提供的资源选择对应的时频资源示意图。
首先，将资源选择窗口内的所有资源标记为可用；
其次，确定出待排除资源，主要包括以下两类：
第一类，如图3所示的感知(sensing)窗口中，由于受到半双工传输方式的影响，第一终端自身在进行发送业务时，无法在当前的发送子帧上监听到其它UE发送的业务包，上述子帧称为skip子帧。所以，需要假定该skip子帧上其它UE以系统配置的所有可能的周期Pk均预约了下一次资源，其中所有可能的周期Pk组成Pk集合，该Pk集合是由网络配置或者系统预配置的。
若认为其它用户按照周期Pk预约的下一次资源的子帧与当前UE候选资源的子帧发生子帧交叠，或者其它用户按照周期Pk预约的下一次资源的子帧与候选资源在第r次发送的子帧发生子帧交叠，则上述候选子帧中所有的可能的资源确定为待排除资源，需要被排除；其中r＝1，2，3，……，R。
第二类，在如图3所示的感知(sensing)窗口中，测量到的其它UE发送的物理侧链路共享信道(Pysical Sidelink Share Channel，简称PSSCH)的参考信号接收功率(Reference Signal Receiving Power，简称RSRP)高于的门限值，且监听到了其它UE发送的调度消息 SA，根据从SA中获知的资源预约的周期P SA和占用的时频资源信息，若其它UE预约的下一次传输的时频资源与候选资源交叠，或者与候选资源在第r次发送的资源发生资源交叠，则这部分交叠的资源也确定为待排除资源，需要被排除；其中r＝1，2，3，……，R。
再次，从资源选择窗口中排除待排除资源，也就是进行已占用资源的排除，得到候选资源。
本申请实施例中，在从所述资源选择窗口中排除待排除资源，得到候选资源之后，还包括：
第一终端确定候选资源在资源选择窗口中所占的比例是否达到预设比例。以预设比例为20％为例，若没有达到20％，则重新调整上述RSRP门限值。比如，以每次将RSRP门限值提升3dB，进行待排除资源的确定，直至候选资源在资源选择窗口中所占的比例达到或高于预设比例20％。上述预设比例可以根据实际需要进行限定，并不限定于列举的20％。如此，可以保证存在足够的候选资源以供第一终端选择。
进一步的，第一终端在候选资源中选择出发送资源。其具体方式如下：
对候选资源进行S-RSSI测量和S-RSSI测量值排序，若候选资源在资源选择窗口中所占的比例等于预设比例，直接从候选资源中选择出传输资源；若候选资源在资源选择窗口中所占的比例高于预设比例，则从候选资源中确定出S-RSSI测量值较低的在资源选择窗口中所占的比例等于预设比例的时频资源，并从其中选择出传输资源。
一种可选的选择传输资源的具体实施方式如下：
若数据包需要一个传输资源，则第一终端从候选资源中选择出一个传输资源传输该数据包，这种选择方式为等概率选择，也就是说，比如存在10个候选资源，那么每个候选资源被选择作为发送资源的概率一样，为10％。
若数据包需要两个传输资源，则第一终端需要从候选资源中选择出两个传输资源，其中两个传输资源在时域上表示为Tn和Tn+k，其中这两个资源在时域上的限定条件为-15≤k≤15且k≠0。具体的选择方法可以是先根据等概率选择方式，从候选资源中选择出一个传输资源，然后再根据限定条件选择第二个资源。
基于上述实施例，为了保证单播业务和组播业务的可靠性，本申请实施例中单播业务或组播业务的资源排除条件的严格性高于广播业务的资源排除条件，所述严格性高于广播业务的资源排除条件主要包括以下条件中的任一项或任多项：
第一项，第一终端接收的业务为单播业务或组播业务、且第一终端确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值。由于RSRP越低，说明其它终端的距离越远，第一项条件中的RSRP门限值越低，说明将距离更远的终端占用的资源也排除，如此，可以使得单播业务或组播业务的候选资源可靠性高于广播业务的候选资源可靠性。
第二项，第一终端接收的业务为单播业务或组播业务、且第一终端确定待排除资源时的后续预约次数为M，且M为大于1的整数。这种方式可以为预先设置的预约次数M，在进行资源排除时考虑将M次资源排除。
第三项，第一终端接收的业务为单播业务或组播业务、且第一终端确定待排除资源时的后续预约次数大于接收广播业务的终端确定待排除资源时的后续预约次数。这种方式可以为根据SA中携带的预约次数进行资源排除。
采用上述严格性高于广播业务的资源排除条件确定出的待排除资源，得到的广播业务或者组播业务的候选资源的可靠性比广播业务的候选资源更高。
当前的协议中，优先级PPPP一共有8个等级，规定的RSRP针对的是8*8一共64个{发送用户，接收用户}优先级对的RSRP值。对于发送用户的资源的PPPP是唯一的，可以从SA指示的信息中得到，对于接收节点的的资源的PPPP当前标准没有明确。
本申请实施例中，对于接收用户，如果该接收用户只有一个业务的话，PPPP可以选择该唯一的业务所对应的PPPP。如果该接收用户有多个业务的话，PPPP可以有如下多种实现方式：
第一种实现方式中，若系统为单播业务、组播业务和广播业务配置一套优先级，则第一终端确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值，具体包括：若发送用户指示的单播业务或组播业务，则第一终端确定待排除资源时选择接收用户选择：RSRP门限值小于广播业务的RSRP门限值的优先级。
第二种实现方式中，若系统为单播业务、组播业务和广播业务配置多套优先级，则第一终端确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值，具体包括如下两种情况：
第一种情况，若系统为单播业务、组播业务和广播业务中各自配置一套优先级，则第一终端确定待排除资源时选择：发送用户指示的单播业务的相同优先级RSRP门限值不小于发送用户指示的组播业务的相同优先级RSRP门限值、且发送用户指示的组播业务的相同优先级RSRP门限值小于发送用户指示的广播业务的相同优先级RSRP门限值；
第二种情况，若系统为单播业务和组播业务分配一套优先级、并为广播业务分配一套优先级，则第一终端确定待排除资源时选择：发送用户指示的单播业务或组播业务的相同优先级RSRP门限值小于发送用户指示的广播业务的相同优先级RSRP门限值。
从上述内容可以看出：本申请的上述实施例中，第一终端若确定需要触发资源选择，则对于感知窗口监听到其它终端发送的调度消息进行分析；若第一终端根据调度消息确定自身为非有效接收用户，则第一终端按照严格性高于广播业务的资源排除条件从资源选择窗口中确定出待排除资源；由于第一终端为非有效接收用户时，接收的业务为单播业务或者组播业务，也就是说，本申请实施例对单播业务或组播业务比广播业务做了更严格的资 源排除。进一步的，第一终端从资源选择窗口排除待排除资源，得到候选资源，候选资源用于第一终端选择传输资源，因此，确定传输资源时，单播业务或广播业务的可靠性高于广播业务的可靠性。
基于以上实施例以及相同构思，图4为本申请实施例提供的一种第一终端的结构示意图，该第一终端可以实现如上图2中所示的任一项或任多项对应的方法中的步骤。如图4所示，该第一终端400可以包括监听单元401、确定单元402、资源选择单元403。可选的，还包括处理单元404。其中：
监听单元401，用于若确定需要触发资源选择，则对于感知窗口监听到其它终端发送的调度消息进行分析；
确定单元402，用于若根据所述调度消息确定第一终端为非有效接收用户、且需要触发资源选择，则按照严格性高于广播业务的资源排除条件从资源选择窗口中确定出待排除资源；
资源选择单元403，用于从所述资源选择窗口排除所述待排除资源，得到候选资源；所述候选资源用于所述第一终端选择发送资源。
可选的，所述严格性高于广播业务的资源排除条件，包括以下条件中的任一项或任多项：
所述第一终端接收的业务为单播业务或组播业务、且所述第一终端确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值；
所述第一终端接收的业务为单播业务或组播业务、且所述第一终端确定待排除资源时的后续预约次数为M，且M大于1；
所述第一终端接收的业务为单播业务或组播业务、且所述第一终端确定待排除资源时的后续预约次数大于接收广播业务的终端确定待排除资源时的后续预约次数。
可选的，所述后续预约次数为系统预先配置、或从所述调度信息中得到。
可选的，若系统为单播业务、组播业务和广播业务配置一套优先级，则所述第一终端确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值，具体包括：若发送用户指示的单播业务或组播业务，则所述第一终端确定待排除资源时选择接收用户选择：RSRP门限值小于广播业务的RSRP门限值的优先级。
可选的，若系统为单播业务、组播业务和广播业务配置多套优先级，则所述第一终端确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值，具体包括：
若系统为为单播业务、组播业务和广播业务中各自配置一套优先级，则所述第一终端确定待排除资源时选择：发送用户指示的单播业务的相同优先级RSRP门限值不小于发送用户指示的组播业务的相同优先级RSRP门限值、且发送用户指示的组播业务的相同优先 级RSRP门限值小于发送用户指示的广播业务的相同优先级RSRP门限值；
若系统为为单播业务和组播业务分配一套优先级、并为广播业务分配一套优先级，则所述第一终端确定待排除资源时选择：发送用户指示的单播业务或组播业务的相同优先级RSRP门限值小于发送用户指示的广播业务的相同优先级RSRP门限值。
可选的，所述调度消息中包括预设的目标标识；所述确定单元402，用于：若接收的业务为单播业务、且所述第一终端的标识与所述预设的目标标识不一致，或者，接收的业务为组播业务、且所述第一终端所在组的标识与所述预设的目标标识不一致；则所述第一终端确定自身为非有效接收用户。
可选的，所述确定单元402，还用于：若所述第一终端接收到的业务数据为单播业务或组播业务、且所述第一终端为非有效接收用户，则所述第一终端确定所述业务数据为非有效接收数据；所述处理单元404，用于将所述非有效数据丢弃。
从上述内容可以看出：本申请的上述实施例中，第一终端若确定需要触发资源选择，则对于感知窗口监听到其它终端发送的调度消息进行分析；若第一终端根据调度消息确定自身为非有效接收用户，则第一终端按照严格性高于广播业务的资源排除条件从资源选择窗口中确定出待排除资源；由于第一终端为非有效接收用户时，接收的业务为单播业务或者组播业务，也就是说，本申请实施例对单播业务或组播业务比广播业务做了更严格的资源排除。进一步的，第一终端从资源选择窗口排除待排除资源，得到候选资源，候选资源用于第一终端选择传输资源，因此，确定传输资源时，单播业务或广播业务的可靠性高于广播业务的可靠性。
上述第一终端所涉及的与本申请实施例提供的技术方案相关的概念，解释和详细说明及其它步骤请参见前述接收处理方法或其它实施例中关于这些内容的描述，此处不做赘述。
基于相同构思，本申请提供一种电子设备，包括至少一个处理器；以及，与所述至少一个处理器通信连接的收发器和存储器；所述存储器存储有可被所述至少一个处理器执行的指令，所述指令被所述至少一个处理器执行，以使所述至少一个处理器能够执行上述实施例中的接收处理方法。
以一个处理器为例，图5为本申请提供的一种电子设备的结构示意图。
该电子设备包括收发器501、处理器502、存储器503和通信接口504；其中，收发器501、处理器502、存储器503和通信接口504通过总线505相互连接。
其中，存储器503用于存储程序。具体地，程序可以包括程序代码，程序代码包括计算机操作指令。存储器503可以为易失性存储器(volatile memory)，例如随机存取存储器(random-access memory，简称RAM)；也可以为非易失性存储器(non-volatile memory)，例如快闪存储器(flash memory)，硬盘(hard disk drive，简称HDD)或固态硬盘(solid-state  drive，简称SSD)；还可以为上述任一种或任多种易失性存储器和非易失性存储器的组合。
存储器503存储了如下的元素，可执行模块或者数据结构，或者它们的子集，或者它们的扩展集：
操作指令：包括各种操作指令，用于实现各种操作。
操作系统：包括各种系统程序，用于实现各种基础业务以及处理基于硬件的任务。
总线505可以是外设部件互连标准(peripheral component interconnect，简称PCI)总线或扩展工业标准结构(extended industry standard architecture，简称EISA)总线等。总线可以分为地址总线、数据总线、控制总线等。为便于表示，图5中仅用一条粗线表示，但并不表示仅有一根总线或一种类型的总线。
处理器502可以是中央处理器(central processing unit，简称CPU)，网络处理器(network processor，简称NP)或者CPU和NP的组合。还可以是硬件芯片。上述硬件芯片可以是专用集成电路(application-specific integrated circuit，简称ASIC)，可编程逻辑器件(programmable logic device，简称PLD)或其组合。上述PLD可以是复杂可编程逻辑器件(complex programmable logic device，简称CPLD)，现场可编程逻辑门阵列(field-programmable gate array，简称FPGA)，通用阵列逻辑(generic array logic，简称GAL)或其任意组合。
所述收发器501，用于若确定需要触发资源选择，则从感知窗口监听到其它终端发送的调度消息；
所述处理器502，用于读取所述存储器503中的程序，执行以下方法：
若所述第一终端根据所述调度消息确定自身为非有效接收用户，则所述第一终端按照严格性高于广播业务的资源排除条件从资源选择窗口中确定出待排除资源；所述第一终端从所述资源选择窗口排除所述待排除资源，得到候选资源；所述候选资源用于所述第一终端选择发送资源。
所述存储器503，用于存储一个或多个可执行程序，可以存储所述处理器502在执行操作时所使用的数据。
可选的，所述严格性高于广播业务的资源排除条件，包括以下条件中的任一项或任多项：
所述接收的业务为单播业务或组播业务、且所述处理器502确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值；
所述收发器501接收的业务为单播业务或组播业务、且所述处理器502确定待排除资源时的后续预约次数为M，且M大于1；
所述收发器501接收的业务为单播业务或组播业务、且所述所述处理器502确定待排除资源时的后续预约次数大于接收广播业务的终端确定待排除资源时的后续预约次数。
可选的，所述后续预约次数为系统预先配置、或从所述调度信息中得到。
可选的，若系统为单播业务、组播业务和广播业务配置一套优先级，则所述处理器502确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值，具体包括：若发送用户指示的单播业务或组播业务，则所述处理器502确定待排除资源时选择接收用户选择：RSRP门限值小于广播业务的RSRP门限值的优先级。
可选的，若系统为单播业务、组播业务和广播业务配置多套优先级，则所述处理器502确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值，具体包括：
若系统为单播业务、组播业务和广播业务中的每种业务配置一套优先级，则所述处理器502确定待排除资源时选择：发送用户指示的单播业务的相同优先级RSRP门限值不小于发送用户指示的组播业务的相同优先级RSRP门限值、且发送用户指示的组播业务的相同优先级RSRP门限值小于发送用户指示的广播业务的相同优先级RSRP门限值；
若系统为单播业务和组播业务分配一套优先级、并为广播业务分配一套优先级，则所述处理器502确定待排除资源时选择：发送用户指示的单播业务或组播业务的相同优先级RSRP门限值小于发送用户指示的广播业务的相同优先级RSRP门限值。
可选的，所述调度消息中包括预设的目标标识；所述处理器502用于：
若所述收发器501接收的业务为单播业务、且电子设备的标识与所述预设的目标标识不一致；或者，所述收发器501接收的业务为组播业务、且所述电子设备所在组的标识与所述预设的目标标识不一致；则确定自身为非有效接收用户。
可选的，所述处理器502还用于：若接收到的业务数据为单播业务或组播业务、且所述第一终端为非有效接收用户，则确定所述业务数据为非有效接收数据；将所述非有效数据丢弃。
本领域内的技术人员应明白，本申请的实施例可提供为方法、系统、或计算机程序产品。因此，本申请可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本申请可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本申请是参照根据本申请实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的 装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
尽管已描述了本申请的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例作出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本申请范围的所有变更和修改。
显然，本领域的技术人员可以对本申请实施例进行各种改动和变型而不脱离本申请实施例的精神和范围。这样，倘若本申请实施例的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (16)

  1. 一种接收处理的方法，其特征在于，包括：
    第一终端若确定需要触发资源选择，则对于感知窗口监听到的其它终端发送的调度消息进行分析；
    若所述第一终端根据所述调度消息确定自身为非有效接收用户，则所述第一终端按照严格性高于广播业务的资源排除条件从资源选择窗口中确定出待排除资源；
    所述第一终端从所述资源选择窗口排除所述待排除资源，得到候选资源；所述候选资源用于所述第一终端选择发送资源。
  2. 如权利要求1所述的方法，其特征在于，所述严格性高于广播业务的资源排除条件，包括以下条件中的任一项或任多项：
    所述第一终端接收的业务为单播业务或组播业务、且所述第一终端确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值；
    所述第一终端接收的业务为单播业务或组播业务、且所述第一终端确定待排除资源时的后续预约次数为M，且M大于1；
    所述第一终端接收的业务为单播业务或组播业务、且所述第一终端确定待排除资源时的后续预约次数大于接收广播业务的终端确定待排除资源时的后续预约次数。
  3. 如权利要求2所述的方法，其特征在于，所述后续预约次数为系统预先配置、或从所述调度信息中得到。
  4. 如权利要求2所述的方法，其特征在于，若系统为单播业务、组播业务和广播业务配置一套优先级，则所述第一终端确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值，具体包括：
    若发送用户指示的单播业务或组播业务，则所述第一终端确定待排除资源时选择：RSRP门限值小于广播业务的RSRP门限值的优先级。
  5. 如权利要求2所述的方法，其特征在于，若系统为单播业务、组播业务和广播业务配置多套优先级，则所述第一终端确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值，具体包括：
    若系统为单播业务、组播业务和广播业务各自配置一套优先级，则所述第一终端确定待排除资源时选择：发送用户指示的单播业务的相同优先级RSRP门限值不小于发送用户指示的组播业务的相同优先级RSRP门限值、且发送用户指示的组播业务的相同优先级RSRP门限值小于发送用户指示的广播业务的相同优先级RSRP门限值；
    若系统为单播业务和组播业务分配一套优先级、并为广播业务分配一套优先级，则所述第一终端确定待排除资源时选择：发送用户指示的单播业务或组播业务的相同优先级 RSRP门限值小于发送用户指示的广播业务的相同优先级RSRP门限值。
  6. 如权利要求1所述的方法，其特征在于，所述调度消息中包括预设的目标标识；
    所述第一终端根据所述调度消息确定自身为非有效接收用户，包括：
    若所述第一终端接收的业务为单播业务、且所述第一终端的标识与所述预设的目标标识不一致；或者，所述第一终端接收的业务为组播业务、且所述第一终端所在组的标识与所述预设的目标标识不一致；则所述第一终端确定自身为非有效接收用户。
  7. 如权利要求6所述的方法，其特征在于，所述第一终端监听到其它终端发送的调度消息之后，还包括：
    若所述第一终端接收到的业务数据为单播业务或组播业务、且所述第一终端为非有效接收用户，则所述第一终端确定所述业务数据为非有效接收数据；
    所述第一终端将所述非有效数据丢弃。
  8. 一种第一终端，其特征在于，包括：
    监听单元，用于若确定需要触发资源选择，则对应感知窗口监听到的其它终端发送的调度消息进行分析；
    确定单元，用于若根据所述调度消息确定第一终端为非有效接收用户，则按照严格性高于广播业务的资源排除条件从资源选择窗口中确定出待排除资源；
    资源选择单元，用于从所述资源选择窗口排除所述待排除资源，得到候选资源；所述候选资源用于所述第一终端选择发送资源。
  9. 如权利要求8所述的第一终端，其特征在于，所述严格性高于广播业务的资源排除条件，包括以下条件中的任一项或任多项：
    所述第一终端接收的业务为单播业务或组播业务、且所述第一终端确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值；
    所述第一终端接收的业务为单播业务或组播业务、且所述第一终端确定待排除资源时的后续预约次数为M，且M大于1；
    所述第一终端接收的业务为单播业务或组播业务、且所述第一终端确定待排除资源时的后续预约次数大于接收广播业务的终端确定待排除资源时的后续预约次数。
  10. 如权利要求9所述的第一终端，其特征在于，所述后续预约次数为系统预先配置、或从所述调度信息中得到。
  11. 如权利要求9所述的第一终端，其特征在于，若系统为单播业务、组播业务和广播业务配置一套优先级，则所述第一终端确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值，具体包括：
    若发送用户指示的单播业务或组播业务，则所述第一终端确定待排除资源时选择：RSRP门限值小于广播业务的RSRP门限值的优先级。
  12. 如权利要求9所述的第一终端，其特征在于，若系统为单播业务、组播业务和广播业务配置多套优先级，则所述第一终端确定待排除资源时的RSRP门限值小于接收广播业务的终端确定待排除资源时的RSRP门限值，具体包括：
    若系统为为单播业务、组播业务和广播业务各自配置一套优先级，则所述第一终端确定待排除资源时选择：发送用户指示的单播业务的相同优先级RSRP门限值不小于发送用户指示的组播业务的相同优先级RSRP门限值、且发送用户指示的组播业务的相同优先级RSRP门限值小于发送用户指示的广播业务的相同优先级RSRP门限值；
    若系统为为单播业务和组播业务分配一套优先级、并为广播业务分配一套优先级，则所述第一终端确定待排除资源时选择：发送用户指示的单播业务或组播业务的相同优先级RSRP门限值小于发送用户指示的广播业务的相同优先级RSRP门限值。
  13. 如权利要求8所述的第一终端，其特征在于，所述调度消息中包括预设的目标标识；
    所述确定单元，用于：
    若接收的业务为单播业务、且所述第一终端的标识与所述预设的目标标识不一致，或者，接收的业务为组播业务、且所述第一终端所在组的标识与所述预设的目标标识不一致；则所述第一终端确定自身为非有效接收用户。
  14. 如权利要求13所述的第一终端，其特征在于，还包括处理单元；
    所述确定单元，还用于：
    若所述第一终端接收到的业务数据为单播业务或组播业务、且所述第一终端为非有效接收用户，则所述第一终端确定所述业务数据为非有效接收数据；
    所述处理单元，用于将所述非有效数据丢弃。
  15. 一种电子设备，其特征在于，包括：
    至少一个处理器；以及，
    与所述至少一个处理器通信连接的收发器和存储器；其中，
    所述存储器存储有可被所述至少一个处理器执行的指令，所述指令被所述至少一个处理器执行，以使所述至少一个处理器能够执行如权利要求1-7任一所述的接收处理方法。
  16. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质存储计算机指令，所述计算机指令用于使所述计算机执行权利要求1～7任一权利要求所述的接收处理方法。
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