WO2019061103A1 - 直连链路数据传输的方法、终端设备和网络设备 - Google Patents

直连链路数据传输的方法、终端设备和网络设备 Download PDF

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Publication number
WO2019061103A1
WO2019061103A1 PCT/CN2017/103759 CN2017103759W WO2019061103A1 WO 2019061103 A1 WO2019061103 A1 WO 2019061103A1 CN 2017103759 W CN2017103759 W CN 2017103759W WO 2019061103 A1 WO2019061103 A1 WO 2019061103A1
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WIPO (PCT)
Prior art keywords
terminal device
threshold
information
resource
transmission
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PCT/CN2017/103759
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English (en)
French (fr)
Inventor
李明超
刘航
王和俊
肖潇
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201780095315.0A priority Critical patent/CN111149400B/zh
Priority to PCT/CN2017/103759 priority patent/WO2019061103A1/zh
Priority to EP17927322.2A priority patent/EP3672339B1/en
Publication of WO2019061103A1 publication Critical patent/WO2019061103A1/zh
Priority to US16/831,048 priority patent/US11665674B2/en

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    • 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
    • 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
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup

Definitions

  • the present application relates to the field of communications, and more specifically, to a method, a terminal device, and a network device for direct link data transmission in the communication field.
  • Vehicles can communicate by vehicle to vehicle (V2V) or vehicle to infrastructure (V2I) or vehicle to pedestrian (V2P) or vehicle and network Vehicle to network (V2N) to obtain road condition information or receive information services in time.
  • V2V vehicle to vehicle
  • V2I vehicle to infrastructure
  • V2P vehicle to pedestrian
  • V2N vehicle and network Vehicle to network
  • V2X communication X stands for anything.
  • Direct link data transmission is mainly the data transmission or information interaction process between two terminal devices, and car networking is an important part of the direct link communication.
  • direct link communication based on long term evolution (LTE) system is mainly divided into two transmission modes, one is a centralized scheduling transmission mode, in which the transmitting device needs to send data before each time.
  • the transmission resource is applied to the base station, and the direct link communication service data is sent according to the transmission resource allocated by the base station.
  • the other is a distributed transmission mode.
  • the transmitting device can obtain the transmission resource pool configuration in advance.
  • the transmitting device needs to send the direct link communication data, the device can select autonomously in the pre-acquired transmission resource pool. Transfer resources and send data.
  • the transmission resource pool of the distributed transmission mode and the transmission resource pool of the centralized scheduling transmission mode are orthogonal and are planned by the network. But this static partitioning results in lower resource utilization. Therefore, the distributed transmission resource pool and the centralized scheduling resource pool are currently allowed to be non-orthogonal, that is, some (or even all) of the transmission resources in the two types of resource pools may be overlapping. The overlapping parts of the resources can be used either through the distributed transmission mode or through the centralized scheduling transmission mode.
  • the distributed transmission resource pool and the centralized scheduling resource pool are allowed to overlap, for the resources of the overlapping part, it is possible that the terminal devices using different transmission modes occupy the same transmission resource, which causes a transmission collision, so that Data transmitted by terminal devices using different transmission modes of the same transmission resource cause interference with each other, causing the receiving device to fail to receive data correctly. Thereby affecting the communication quality of the user, the user experience is not good.
  • the application provides a method, a terminal device and a network device for direct link data transmission.
  • the terminal device may detect the resource unit in the transmission resource set, and send information about the idle or available resource unit of the transmission resource to the network device.
  • the transmission of the transmission resource to the first terminal device and the transmission resource of other terminal devices may be avoided, thereby improving communication quality and user experience.
  • a method for data transmission of a direct link including: receiving, by a first terminal device, first configuration information sent by a network device, where the first configuration information includes information of a transmission resource set, where the transmission resource set is Concentration a second terminal device that schedules the transmission mode and a transmission resource set common to the third terminal device in the distributed transmission mode; the first terminal device detects a load level of the resource unit in the transmission resource set according to the information of the transmission resource set; The first terminal device sends report information to the network device according to the load level, where the report information includes information of resource elements occupied by the transmission resource set and/or information of available resource units.
  • the network device may configure the transmission resource set (overlapping resource pool) Sending to the first terminal device that needs to apply for the transmission resource, the first terminal device may detect the resource unit in the transmission resource set, determine the usage of the transmission resource set, and concentrate the transmission resource on the available or available resource unit.
  • the information is sent to the network device, and the network device allocates the transmission resource to the first terminal device according to the information of the resource unit. This can avoid the conflict between the transmission of the transmission resources of the first terminal device and the transmission resources of other terminal devices.
  • the communication of the first terminal device can be smoothly performed, and the communication quality and user experience are improved.
  • the first configuration information further includes a first threshold and/or a second threshold, where the first threshold is less than or equal to the second threshold, where the first terminal device Before the network device sends the report information, the method further includes: if the load level is greater than or equal to the first threshold, the first terminal device determines to send the report information to the network device; or, the load level is greater than Or the first threshold is less than or equal to the second threshold, the first terminal device determines to send the report information to the network device; or, if the load level is less than or equal to the second threshold, The first terminal device determines to send the report information to the network device.
  • the loading degree includes: a loading degree of the resource unit in the transmission resource set used by the third terminal device; or the transmission resource set is configured by the second terminal device and the The degree of load of the resource unit used by the third terminal device.
  • the first configuration information further includes a third threshold value M and/or a fourth threshold value T, where M is less than or equal to T
  • the method further includes: the first terminal device is in the The transmission resource is configured to determine K available resource units, where K is less than or equal to M; or, the first terminal device determines K available resource units in the transmission resource set, where K is greater than or equal to T; or, the first terminal device is in the The transmission resource collectively determines K available resource units, where K is greater than or equal to M and less than or equal to T; the available resource unit information in the report information is information of the K available resource units.
  • the method before the first terminal device detects a load level of the resource unit in the transmission resource set, the method further includes: receiving, by the first terminal device, the second a configuration information, where the second configuration information includes a fifth threshold and/or a sixth threshold, where the fifth threshold is less than or equal to the sixth threshold; the first terminal device detects the concentration of the transmission resource according to the information of the transmission resource set.
  • the load level of the resource unit includes: if the signal quality of the network device detected by the first terminal device is less than or equal to a fifth threshold, the first terminal device determines to start detecting the load level, or at the first If the signal quality of the network device detected by the terminal device is greater than or equal to a sixth threshold, the first terminal device determines to start detecting the load level, or the signal quality of the network device detected by the first terminal device is greater than Or equal to the fifth threshold and less than or equal to the sixth threshold, the first terminal device determines to start detecting the load level.
  • the first terminal device adopts a centralized scheduling transmission mode or a distributed transmission mode.
  • the first terminal device sends report information to the network device
  • the method further includes: the first terminal device receives the resource scheduling information sent by the network device, where the resource scheduling information is generated according to the report information, where the resource scheduling information includes the transmission resource allocated for the first terminal device Centralized resource unit information.
  • a method for transmitting data of a direct link where the network device sends first configuration information to a first terminal device, where the first configuration information includes information of a transmission resource set, where the transmission resource set is adopted.
  • the network device receives report information sent by the first terminal device, where the report information includes the transmission resource set being occupied Information about resource units and/or information about available resource units.
  • the network device may configure the transmission resource set (overlapping resource pool) Sending to the terminal device that needs to apply for the transmission resource, the terminal device may detect the resource unit in the transmission resource set, determine the usage of the transmission resource set, and send the information of the resource element that is idle or available to the network to the network. The device, the network device allocates a transmission resource to the terminal device according to the information of the resource unit. In this way, it is possible to avoid a conflict between the transmission resource allocated to the terminal device and the transmission resource selected by the terminal device in the distributed transmission mode. It ensures that the terminal device can communicate smoothly, improving communication quality and user experience.
  • the first configuration information further includes a first threshold and/or a second threshold, where the first threshold is less than or equal to the second threshold, the first threshold and/or the The second threshold is used by the first terminal device to determine to send report information to the network device according to the load level of the transmission resource set.
  • the first configuration information further includes a third threshold value M and/or a fourth threshold value T, where M is less than or equal to T, and the available resource unit information in the report information is Information of K available resource units, where K is less than or equal to M, or K is greater than or equal to T, or K is greater than or equal to M and less than or equal to T.
  • the method further includes: the network device sending, to the first terminal device, second configuration information, where the second configuration information includes a fifth threshold and/or a sixth threshold, where The fifth threshold is less than or equal to the sixth threshold, and the fifth threshold and/or the sixth threshold is used by the first terminal device to determine to start detecting the load level of the transmission resource set.
  • the load level includes: a loading degree of the resource unit in the transmission resource set used by the third terminal device; or the transmission resource set is configured by the second terminal device and the The degree of load of the resource unit used by the third terminal device.
  • the first terminal device adopts a centralized scheduling transmission mode or adopts a distributed transmission mode.
  • the method further includes: resource scheduling information sent by the network device to the first terminal device, where The resource scheduling information is generated according to the report information, where the resource scheduling information includes resource unit information in the transmission resource set allocated for the first terminal device.
  • a terminal device including a processor, a memory, and a transceiver for supporting the terminal device to perform a corresponding function in the above method.
  • the processor, the memory and the transceiver are connected by communication, the memory stores instructions, and the transceiver is configured to perform specific signal transceiving under the driving of the processor, the processor is configured to invoke the instruction to implement the first aspect and various implementation manners thereof A method of directly connecting link data transmission.
  • a terminal device including a processing module, a storage module, and a transceiver module, is configured to support the terminal device to perform the functions of the first terminal device in any of the foregoing first aspect or the first aspect,
  • the functions may be implemented by hardware or by corresponding software implemented by hardware, and the hardware or software includes one or more modules corresponding to the above functions.
  • a network device including a processor, a memory, and a transceiver for supporting the network device to perform a corresponding function in the above method.
  • the processor, the memory and the transceiver are connected by communication, the memory stores instructions, and the transceiver is configured to perform specific signal transceiving under the driving of the processor, the processor is configured to invoke the instruction to implement the second aspect and various implementations thereof A method of directly connecting link data transmission.
  • a network device including a processing module, a storage module, and a transceiver module, is configured to support the network device to perform the functions of the network device in any of the foregoing second aspect or the second aspect of the second aspect, where the function may be
  • the hardware implementation may also be implemented by hardware, and the hardware or software includes one or more modules corresponding to the above functions.
  • a communication system comprising the terminal device provided in the third aspect or the fourth aspect, and the network device provided in the fifth or sixth aspect.
  • the communication system can perform the method of direct link data transmission provided by the above first aspect and second aspect.
  • a computer readable storage medium for storing a computer program comprising instructions for performing the method of any of the first aspect or the first aspect of the first aspect.
  • a ninth aspect a computer readable storage medium for storing a computer program, the computer program comprising instructions for performing the method of any of the second aspect or the second aspect of the second aspect.
  • Figure 1 is a schematic illustration of the communication of V2V and V2I.
  • FIG. 2 is a schematic diagram of an orthogonal distributed transmission resource pool and a centralized scheduling transmission resource pool.
  • FIG. 3 is a schematic diagram of a partial overlap of a distributed transmission resource pool and a centralized scheduling transmission resource pool.
  • FIG. 4 is a schematic diagram of a collision of a transmission resource between a distributed transmission resource pool and a centralized scheduling transmission resource pool.
  • FIG. 5 is a schematic diagram of a typical application scenario of an embodiment of the present application.
  • FIG. 6 is a schematic flowchart of a method for data transmission of a direct link according to an embodiment of the present application.
  • FIG. 7 is a schematic flowchart of a method for data transmission of a direct link in another embodiment of the present application.
  • FIG. 8 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a terminal device according to another embodiment of the present application.
  • FIG. 10 is a schematic block diagram of a network device according to an embodiment of the present application.
  • FIG. 11 is a schematic block diagram of a network device of another embodiment of the present application.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • GPRS general packet radio service
  • LTE long term evolution
  • FDD frequency division duplex
  • TDD LTE time division duplex
  • UMTS universal mobile telecommunication system
  • WiMAX global interconnected microwave access
  • WiMAX future fifth generation
  • 5G fifth generation
  • NR new radio
  • the terminal device in the embodiment of the present application may be a user equipment (UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless device.
  • the terminal device may also be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), with wireless communication.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • the network device in the embodiment of the present application may be a device for communicating with a terminal device, where the network device may be a global system of mobile communication (GSM) system or code division multiple access (CDMA).
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • a base transceiver station (BTS) may also be a base station (nodeb, NB) in a wideband code division multiple access (WCDMA) system, or an evolved base station (evolutional) in an LTE system.
  • NB base station
  • WCDMA wideband code division multiple access
  • evolutional evolved base station
  • the nodeb, eNB or eNodeB may also be a wireless controller in a cloud radio access network (CRAN) scenario, or the network device may be a relay station, an access point, an in-vehicle device, a wearable device, and a future
  • CRAN cloud radio access network
  • the network device in the 5G network or the network device in the future evolved PLMN network, etc., is not limited herein.
  • V2X communication is a schematic representation of the communication of V2V and V2I.
  • the V2V communication between the vehicles can broadcast information such as the speed of the vehicle, the direction of travel, the specific position, and whether or not the emergency brake is applied to the surrounding vehicles.
  • the driver of the surrounding vehicle can obtain such information. Good perception of traffic conditions outside the line of sight, so that the dangerous situation is pre-judged and then avoided.
  • roadside infrastructure for example, a roadside unit (RSU) can provide various types of service information and data network access for vehicles, no parking fees, vehicles.
  • RSU roadside unit
  • features such as in-house entertainment have greatly improved traffic intelligence.
  • the Internet of Vehicles is an important part of the current direct link communication.
  • LTE is the current mainstream wireless communication technology. It has established relevant standards for V2X service characteristics and transmission requirements, and supports LTE-based V2X direct communication. V2X communication based on LTE system is mainly divided into two transmission modes:
  • Centralized scheduling transmission mode (also called Mode3): In this mode, the transmitting device needs to apply for transmission resources before transmitting data, and send V2X service data according to the transmission resources allocated by the base station.
  • Mode3 Centralized scheduling transmission mode
  • the transmitting device needs to apply for transmission resources before transmitting data, and send V2X service data according to the transmission resources allocated by the base station.
  • the transmission resources of the transmitting device are dynamically allocated by the base station, the situation in which the terminal device is allocated the same resource does not occur, so that the centralized transmission mode can ensure better transmission reliability.
  • the transmission delay is longer than the distributed transmission mode.
  • the resources allocated by the base station to other sender devices are not known.
  • the transmitting device can obtain the transmission resource pool configuration in advance. When the transmitting device needs to send V2X data, it can choose to transmit in the pre-acquired transmission resource pool. Resources and send data. Since the source device selects resources autonomously, different transmitter devices may select the same resource, and thus a transmission collision may occur. However, since the distributed transmission mode does not require interaction signaling with the base station, a lower transmission delay can be achieved. For the base station, it is not known that the transmitting device selects the transmission resource.
  • FIG. 2 is a schematic diagram of an orthogonal distributed transmission resource pool and a centralized scheduling transmission resource pool.
  • the transmission resource pool of the distributed transmission mode and the transmission resource pool (also referred to as the "transport resource set") of the centralized scheduling transmission mode are orthogonal and are planned by the network. This static partitioning results in lower resource utilization. For example, under the coverage of a base station, most UEs are configured to use a distributed transmission mode to transmit V2X service data in a distributed transmission resource pool, and only a small number of users are configured to use a centralized scheduling mode to transmit V2X services in a centralized scheduling transmission resource pool. data. This may result in a higher load on the distributed transport resource pool. Although the load of the centralized scheduling resource pool is very low, due to the orthogonality of the resource pool division, the terminal in the distributed transmission mode cannot use the resource pool, and the resource utilization is low. vice versa.
  • FIG. 3 is a schematic diagram of a partial overlap of a distributed transmission resource pool and a centralized scheduling transmission resource pool.
  • the transmission resource pool may allow the distributed transmission resource pool and the centralized scheduling resource to be non-orthogonal, that is to say, some resource units (or even all) of the two types of resource pools may overlap.
  • Such resources can be used either in distributed transmission mode or in a centralized scheduling transmission mode.
  • FIG. 4 is a schematic diagram of a collision of a transmission resource between a distributed transmission resource pool and a centralized scheduling transmission resource pool.
  • the resource unit allocated by the base station for UE1 (using the mode3 transmission mode) and the resource unit autonomously selected by UE2 (using the mode4 transmission mode) are the same resource unit.
  • the UE1 and the UE2 use the same transmission resource to transmit resources, which may cause interference with each other, causing the receiving device to fail to receive data correctly, thereby affecting the communication quality of the user, and the user experience is not good.
  • a transmitting device that uses the mode3 transmission mode it needs to ensure a highly reliable transmission and cannot allow resources to collide.
  • the embodiment of the present application provides a method for directly connecting link data transmission. It is possible to avoid the problem that the transmission resources of the terminal devices of different transmission modes collide in the case where there is overlap between the distributed transmission resource pool and the centralized scheduling resource pool, thereby improving the communication quality of the user and ensuring the use of the mode3 transmission mode.
  • the terminal device can transmit data normally. Direct link data transmission is mainly the process of data transmission or information exchange between two terminal devices.
  • FIG. 5 is a schematic diagram of a typical application scenario of the embodiment of the present application.
  • the technical solution of the present application can be applied to a direct link communication scenario with network coverage, for example, a V2X application scenario as shown in FIG. 5, a vehicle and a vehicle. Communication can be performed through a network provided by a network device.
  • the embodiment of the present application is only described by using the application scenario shown in FIG. 5 as an example, but the embodiment of the present application does not.
  • the vehicle can communicate with more other types of facilities, and the technical solution of the embodiment of the present application can also be applied to other direct link communication technologies or devices and devices ( Device-to-device, D2D) during communication.
  • D2D Device-to-device
  • FIG. 6 is a schematic flowchart of a method 100 for data transmission of a direct link in the embodiment of the present application.
  • the method 100 can be applied to FIG. 5. In the scenario shown, it is of course also applicable to other communication scenarios, and the embodiments of the present application are not limited herein.
  • the method 100 includes:
  • the first configuration information that is sent by the network device to the first terminal device, where the first configuration information includes information of a transmission resource set, where the second set of terminal devices in the centralized scheduling transmission mode and the distributed transmission mode are used.
  • the transmission resource set common to the third terminal device, and correspondingly, the first terminal device receives the first configuration information.
  • the first terminal device detects, according to information about the transmission resource set, a load condition of the resource unit in the transmission resource.
  • the first terminal device sends report information to the network device according to the load situation, where the report information includes information about resource elements occupied by the transmission resource set and/or information of available resource units.
  • the network device receives the report information.
  • the network device may send the configuration information of the transmission resource set to the transmission resource that needs to be applied for.
  • a first terminal device where the first terminal device can detect the resource unit in the transmission resource set, determine the usage of the transmission resource set, and send the information of the resource unit that is idle or available to the network device,
  • the network device allocates a transmission resource to the first terminal device according to the information of the resource unit. In this way, it is possible to avoid the transmission of the transmission resource to the first terminal device and the transmission resource independently selected by the terminal device in the distributed transmission mode, or the transmission resource of the terminal device in the centralized scheduling transmission mode to generate a collision.
  • the communication of the first terminal device can be smoothly performed, and the communication quality and user experience are improved.
  • the network device may send first configuration information to the first terminal device, where the first configuration information includes information of a transmission resource set.
  • the transmission resource set is a transmission resource set common to a second terminal device (mode3 UE) adopting a centralized scheduling transmission mode and a third terminal device (mode4 UE) adopting a distributed transmission mode.
  • the resources used by the first terminal device to transmit data may be allocated by the network device. That is, the transmission resource is allocated to the first terminal device in the transmission resource set, and the resource unit in the transmission resource group may also be utilized by the third terminal device in the distributed transmission mode, that is, the transmission resource is integrated into a shared transmission resource.
  • the resource in the shared transmission resource set allows the second terminal device adopting the centralized scheduling transmission mode to share and use the third terminal device adopting the distributed transmission mode.
  • the second terminal device and the third terminal device are only for distinguishing terminal devices that adopt different transmission modes, and the second terminal device and the third terminal device represent two types of different terminal devices, and the second terminal The number of devices and the third terminal device may be one or many.
  • the first terminal device allocates transmission resources to the first terminal device in the resource pool (transmission resource set) when the data needs to be transmitted, which is not limited herein.
  • first terminal device may be the second terminal or the third terminal, which is not limited herein.
  • the second terminal device and the third terminal device may represent terminal devices of different version capabilities, for example, the second terminal device and/or the third terminal device may be terminals of LTE version 14 and/or version 15, or Is 5G Version of the terminal.
  • the embodiments of the present application are not limited herein.
  • the first terminal device may employ a centralized scheduling transmission mode or a distributed transmission mode.
  • the first terminal device may adopt a centralized scheduling transmission mode, that is, the required transmission resources may be configured by the network device.
  • the network device allocates the transmission resource to the first terminal device according to the information of the resource unit in the transmission resource set. This can avoid conflicts between the transmission resources allocated to the first terminal device and the transmission resources independently selected by the terminal device in the distributed transmission mode.
  • the communication of the first terminal device can be smoothly performed, and the communication quality and user experience are improved.
  • the first terminal device may also adopt a distributed transmission mode, that is, the required transmission resources may be independently selected by the first terminal device.
  • the first terminal device performs the detection of the load level of the transmission resource set and reports the information of the resource unit occupied by the transmission resource set and/or the information of the available resource unit to the network device, and therefore, the first terminal device When autonomous resource selection is made, there is no problem of selecting the same resource unit and causing conflicts, ensuring communication quality.
  • the network device may send the information of the resource unit occupied by the transmission resource set and/or the information of the available resource unit to other terminal devices adopting the distributed transmission mode, or the information of the resource unit occupied according to the transmission resource set.
  • the transmission resource set may be a centralized scheduling transmission resource set currently used by the first terminal device, or may be a subset of the currently used centralized scheduling transmission resource set, or may be a centralized scheduling with the current usage.
  • Another independent resource pool or collection of resources partially or completely overlapping the transmission resource set may be a subset of another distributed transmission resource pool, or may be another orthogonal to the currently used centralized scheduling transmission resource set.
  • An independent resource pool or collection of resources are not limited herein.
  • the network device may send the configuration information by using radio resource control (RRC) dedicated signaling or system information.
  • RRC radio resource control
  • the configuration information may be sent by other means, which is not limited herein.
  • the method 100 may further include:
  • the first terminal device sends request information to the network device, where the request information is used to apply for time-frequency resources for transmitting data to the network device.
  • the request information may include information such as the number of resource units required.
  • the first terminal device detects, according to the information of the transmission resource set, the loading degree of the resource unit of the transmission resource concentration.
  • the degree of load may include the proportion of occupied resources to all resources, or the total amount of occupied resources, or the total amount of available resources.
  • the first terminal device detects the occupancy of the resource unit in the transmission resource set.
  • the first terminal device may detect the proportion/number of occupied transmission resources of the transmission resource set, and may be a transmission resource unit ratio/number of transmission resource units occupied by the second terminal device, or may be a transmission resource concentration The proportion/number of transmission resource units occupied by the three terminal devices.
  • the first terminal device may send the information on the resource unit by reading
  • the mode indication information in the direct link data determines whether the corresponding resource unit is occupied by the second terminal device or occupied by the third terminal device.
  • the mode indication information may be located in the media corresponding to the received direct link data.
  • the media access control protocol data unit may also be located in the Scheduling Assignment (SA) corresponding to the direct link data.
  • SA Scheduling Assignment
  • the first terminal device may further determine whether the resource unit is available by detecting energy of the resource unit in the transmission resource. For example, when the first terminal device does not detect energy on a transmission resource unit or the energy threshold is less than or equal to a preset threshold, the first terminal device determines that the transmission resource unit is available, that is, is not occupied. Or, when it is detected that the energy on the resource is greater than or equal to the preset threshold and the data priority is higher than the other threshold, one resource is considered to be occupied; or the data on one resource can be successfully decoded to consider that the resource is occupied.
  • the embodiments of the present application are not limited herein.
  • the first terminal device determines the transmission resource.
  • the unit is idle.
  • the transmission resource unit may be a transmission subchannel, and the information of the transmission resource unit may be a time-frequency resource location or a transmission resource identifier of the resource unit.
  • the first terminal device may use multiple detection methods to detect whether the resource unit of the transmission resource is occupied, and may detect other indicators that can reflect the load level.
  • the embodiments of the present application are not limited herein.
  • the transmission resource when the third terminal device adopting the distributed transmission mode uses the resource unit of the transmission resource set to transmit data, the transmission resource may be selected by using the mode of first listening and then reserved, that is, When it is detected that a resource unit is idle, the resource unit may be reserved for use within a fixed period of time thereafter, that is, the resource unit is in an occupied state within the fixed duration.
  • the first terminal device sends report information to the network device according to the load condition, where the report information includes information of resource elements occupied by the transmission resource set and/or information of available resource units.
  • the report information may further include a load degree of all or part of the resource units in the transmission resource set, and may further include other load information in the transmission resource set.
  • the network device receives the report information.
  • the information of the resource unit may be time-frequency resource information, and may be bitmap information (each bit bit represents a time-frequency resource or channel), or may be a resource location or channel index identification information, etc.
  • bitmap information each bit bit represents a time-frequency resource or channel
  • resource location or channel index identification information etc.
  • the method 100 may further include:
  • the network device generates resource scheduling information according to the report information, where the resource scheduling information includes resource unit information in the transmission resource set allocated by the first terminal device.
  • the network device sends the resource scheduling information to the first terminal device.
  • the first terminal device receives the resource scheduling information.
  • the network device generates resource scheduling information according to the report information, that is, according to the information of the resource unit occupied by the transmission resource set or the information of the available resource unit.
  • the resource scheduling information includes resource unit information in the transmission resource set allocated for the first terminal device. That is, the network device determines the resource unit allocated to the first terminal device from the available resource unit, for example, may be a number of some or some idle resource units, a time-frequency resource location, or a transmission resource identifier.
  • the embodiments of the present application are not limited herein.
  • the network device sends the resource scheduling information to the first terminal device.
  • the first terminal device receives the resource scheduling information.
  • the first terminal device may Data is transmitted on the resource unit based on the information of the resource unit allocated for itself in the resource scheduling information. Therefore, it is ensured that the transmission resource allocated to the first terminal device and the transmission resource independently selected by the terminal device adopting the distributed transmission mode do not conflict. It ensures that the terminal equipment adopting the centralized scheduling transmission mode can smoothly communicate and improve the communication quality and user experience.
  • the granularity of the resource unit included in the transmission resource set may be a physical resource block (PRB), may be a resource element group (REG), or may be a control channel.
  • PRB physical resource block
  • REG resource element group
  • CCE control channel element
  • the first configuration information further includes a first threshold and/or a second threshold, where the first threshold is less than or equal to the second threshold, and before S130, the method 100 further includes:
  • the first terminal device determines to send the report information to the network device, or
  • the first terminal device determines to send the report information to the network device, or
  • the first terminal device determines to send the report information to the network device.
  • the first terminal device can detect the load level of the shared transmission resource set.
  • the load level may be a transmission resource unit ratio/number of transmission resource groups occupied by the second terminal device.
  • the report information is sent to the first terminal device by detecting the load level of the resource unit in the transmission resource set, if the load level is greater than or equal to the first threshold. In this way, when the load level is relatively small, since the resource unit with more transmission resource concentration is in an available state, the network device can be in the transmission resource set according to the requirements of the existing centralized transmission mode.
  • the probability of the transmission resource conflicts allocated to the first terminal device and the transmission resource autonomously selected by the terminal device in the distributed transmission mode may be reduced to a large extent, and the first terminal device does not need to be used. Reporting the report information saves signaling and resources while reducing the probability of resource conflicts. The communication efficiency is further improved.
  • the first terminal device determines to send the report information to the network device, so that the report is further determined to be satisfactory.
  • condition For example, it may be specified that the number of different resource units is reported for different load conditions.
  • the first threshold is 0.5
  • the second threshold is 0.6
  • 0.6 ⁇ the load level value ⁇ 0.7 it is prescribed to report 5 available resource units. This can further save the resources consumed by the report, improve the utilization of resources and the certainty of reporting.
  • the communication efficiency is further improved.
  • the first terminal device determines to send the report information to the network device. That is, it can be reported that the load level is less than the second threshold, so that the network device can be more accurately informed of the usage of all the resource units of the transmission resource pool, so that the resources allocated by the network device to the first terminal device are impossible.
  • the problem of conflict is to ensure the quality of the communication.
  • the load level includes:
  • the transmission resource concentrates the load level of the resource unit used by the third terminal device, or
  • the transmission resource concentrates the load level of the resource unit used by the second terminal device and the third terminal device.
  • the transmission resource set is a transmission resource set common to a second terminal device (mode3 UE) adopting a centralized scheduling transmission mode and a third terminal device (mode4 UE) adopting a distributed transmission mode.
  • the transmission mode is a mode in which the network device allocates resources. Therefore, the network device knows which resource unit resources of the transmission resource set are used by the second terminal device. It is not known which resource units are occupied by the third terminal device. Therefore, the first terminal device only needs to detect the load level of the resource unit used by the third terminal device in the transmission resource set, which can reduce the resources used for detection and reporting, and save energy. Consumption. After the network device or the resource elements in the resource pool are used by the third terminal device, it can be determined which resource units are available in combination with which resource units that they already know are used by the second terminal device in the centralized scheduling transmission mode.
  • the load level detected by the first terminal device may also be a load level of the resource unit in the transmission resource set used by the third terminal device and the second terminal device.
  • the embodiments of the present application are not limited herein.
  • load level is all resource units used by the third terminal device, or all resource units used by the third terminal device and the second terminal device.
  • the embodiments of the present application are not limited herein.
  • the first configuration information further includes a third threshold value M and/or a fourth threshold value T, where M is less than or equal to T, and the method 100 further includes:
  • the first terminal device determines K available resource units in the transmission resource set, where K is greater than or equal to M and less than or equal to T.
  • the idle resource unit information in the report information is information of the K idle resource units.
  • the network device can determine the required resources according to the situation in which the first terminal device transmits data, for example, the number of required resource units. Determining the third threshold M and/or the fourth threshold T, M is less than or equal to T, the configuration information further including the third threshold M and/or the fourth threshold T.
  • the first terminal device determines K available resource units in the plurality of idle resource units, where K is less than or equal to M, and then reports the information of the K available resource units to the network device. In this way, the transmission resources required by the first terminal device are satisfied. The signaling overhead and resource consumption can be further reduced.
  • the first terminal device may further determine, in the transmission resource set, K available resource units, where K is greater than or equal to T. That is, the number of reported resource units has a lower limit value, so that it is ensured that the resources allocated to the first terminal device are sufficient to ensure that the first terminal device can normally transmit data.
  • the first terminal device may further determine K available resource units in the transmission resource set, where K is greater than or equal to M and less than or equal to T.
  • the network device may be based on the resources required by the first terminal device, for example, the number of resource units required. It is also possible to determine a reported lower limit value M and an upper limit value T.
  • the first terminal device determines K idle resource units among the plurality of idle resource units, where K is less than or equal to M and greater than or equal to T. In this way, the signaling overhead and resource consumption are reduced. It is also ensured that the transmission resources required by the first terminal device are satisfied. Ensure that the first terminal device can send data normally and improve communication quality.
  • the first terminal device may determine K available resource units in a variety of ways.
  • the first terminal device may randomly select K available resource units in all available resource units, or may sort the available resource units according to certain rules, for example, according to the energy value of the resource units, sorting from small to large, and selecting Top K available resources. Other rules or methods may be utilized, and the embodiments of the present application are not limited herein.
  • the first terminal device and the second terminal device are located in the first cell, and the third terminal device is located in the second cell.
  • the second terminal device and the third terminal device in the transmission resource set may be in different cells, that is, the second terminal device adopting the centralized scheduling transmission mode and the third terminal device adopting the distributed transmission mode.
  • the centralized scheduling transmission resource set allocated by the network device to the second terminal device in the first cell and the distributed transmission pool allocated to the third terminal device in the second cell may overlap at the edge of the two cells. In this case, there may be a phenomenon of transmission resource conflicts. Therefore, the technical solution in the embodiment of the present application can also be adopted to ensure that the first terminal device adopting the centralized scheduling transmission mode can perform normal communication. Improve communication efficiency.
  • the network device may send the configuration information of the shared transmission resource set to the application for transmission.
  • the first terminal device of the resource the first terminal device may detect the resource unit in the transmission resource set, determine the usage of the transmission resource set, and the network device sends the first terminal device according to the usage of the transmission resource set.
  • the transmission resource is allocated, so that the probability of the transmission of the transmission resource to the first terminal device and the transmission resource autonomously selected by the terminal device in the distributed transmission mode may be avoided or reduced.
  • the guarantee rate of smooth communication of the terminal device adopting the centralized scheduling transmission mode is improved, and the communication quality and user experience are improved.
  • the first terminal device and the second terminal device are located in the first cell, and the third terminal device may also be located in the same cell.
  • the embodiments of the present application are not limited herein.
  • the method 100 further includes:
  • the second configuration information includes a fifth threshold and/or a sixth threshold, where the fifth threshold is less than or equal to the sixth threshold
  • the first terminal device detects the load level of the resource unit in the transmission resource set according to the information of the transmission resource set, and includes:
  • the first terminal device detects the load level, or
  • the first terminal device detects the load level, or
  • the first terminal device detects the load level if the signal quality of the network device detected by the first terminal device is greater than or equal to a fifth threshold and less than or equal to a sixth threshold.
  • the first terminal device moves in the first cell, the signal sent by the network device is continuously received, and the first terminal device detects that the received information quality is less than or equal to the fifth threshold. Prove that the network device is at the edge of the first cell. At the cell edge, the resource unit in the transmission resource pool used by the first terminal device may be occupied by the terminal device in other cells. Therefore, the first terminal device starts to detect the load condition of the resource unit in the transmission resource pool. It can detect the load situation of the transmission resource set more accurately, save the resources used when detecting the load, and improve the resource utilization.
  • the configuration information may also be a sixth threshold, the fifth threshold being less than or equal to the sixth threshold.
  • the fifth threshold and the sixth threshold are used to determine whether the first terminal device is at a cell edge. After receiving the signal quality of the network device that is greater than or equal to the fifth threshold and less than or equal to the six thresholds, Determining that the first terminal device is at the cell edge, the first terminal device starts detecting the load condition of the resource unit in the transmission resource pool according to the configuration information.
  • the condition that the first terminal device starts detecting the transmission resource pool can be more accurately defined, the detection accuracy and efficiency are improved, unnecessary detection is avoided, and resource consumption is reduced.
  • the first terminal device determines to start detecting the load level, so as to ensure timely detection of the transmission resource set.
  • the degree of load The occurrence of the resource unit of the already transmitted resource set being used by other terminal devices without being detected is avoided, and the accuracy of the load level of the transmission resource set is ensured.
  • the method for transmitting data of the direct link in the embodiment of the present application when the first terminal device adopting the centralized scheduling transmission mode moves to the edge of the cell, detects that the first terminal device is in the local cell (the first cell) In a case where the resource unit of the allocated transmission resource pool overlaps with the terminal device transmission resource in the other cell (second cell) and the terminal device transmission resource adopts the centralized scheduling transmission mode, the first terminal device may The resource unit in the resource pool performs detection, determines the usage of the resource pool, and sends information about the available or available resource unit in the resource pool to the network device, and the network device gives the first according to the load information of the resource unit.
  • the terminal device allocates the transmission resource, and can avoid the conflict between the transmission resource allocated to the first terminal device and the transmission resource of the terminal device in other cells. It is ensured that the terminal device adopting the centralized scheduling transmission mode in the cell can smoothly communicate, and improve communication quality and user experience.
  • the second configuration information may be the first configuration information, and may be another information different from the first configuration information.
  • the embodiments of the present application are not limited herein.
  • each process and each step number does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be The implementation of the embodiments of the application imposes any limitations.
  • the method for directly transmitting data of the direct link in the embodiment of the present application is described in detail above with reference to FIG. 1 to FIG. 7.
  • the terminal device and the network device in the embodiments of the present application are described in detail below with reference to FIG. 8 to FIG.
  • FIG. 8 is a schematic block diagram of a terminal device according to an embodiment of the present application. It should be understood that the terminal device may refer to the foregoing first terminal device, and the terminal device embodiment and the method embodiment correspond to each other. A similar description may refer to the method embodiment, and the terminal device 200 shown in FIG. 8 may be used to execute the corresponding device. 6 and the steps performed by the first terminal device in FIG.
  • the terminal device 200 includes a processor 210, a memory 220 and a transceiver 230.
  • the processor 210, the memory 220 and the transceiver 230 are connected by communication, the memory 220 stores instructions, and the processor 210 is configured to execute instructions stored in the memory 220, the transceiver 230 is used to perform specific signal transceiving under the driving of the processor 210.
  • the transceiver 230 is configured to receive first configuration information that is sent by the network device, where the first configuration information includes information about a set of transmission resources, where the set of transmission resources is a second terminal device that adopts a centralized scheduling transmission mode, and adopts a distributed transmission mode. a set of transmission resources common to the third terminal device;
  • the processor 210 is configured to detect, according to information about the transmission resource set, a load level of the resource unit in the transmission resource set;
  • the transceiver 230 is further configured to: send report information to the network device, where the report information includes information of resource elements occupied by the transmission resource set and/or information of available resource units.
  • the network device may send the configuration information of the transmission resource set (overlapping resource pool) to the application for transmission.
  • a resource terminal device wherein the terminal device can detect the resource unit in the transmission resource set, and determine the transmission resource set And the information of the resource unit in the centralized or available resource unit is sent to the network device, and the network device allocates the transmission resource to the terminal device according to the information of the resource unit.
  • the various components in terminal device 200 communicate with one another via a communication connection, i.e., processor 210, memory 220, and transceiver 230, through internal connection paths, to communicate control and/or data signals.
  • a communication connection i.e., processor 210, memory 220, and transceiver 230
  • the foregoing method embodiments of the present application may be applied to a processor, or the processor may implement the steps of the foregoing method embodiments.
  • the processor may be an integrated circuit chip with signal processing capabilities.
  • each step of the foregoing method embodiments may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the above processor may be a central processing unit (CPU), a network processor (NP) or a combination of a CPU and an NP, a digital signal processor (DSP), an application specific integrated circuit (application).
  • CPU central processing unit
  • NP network processor
  • DSP digital signal processor
  • application application specific integrated circuit
  • ASIC Specific integrated circuit
  • FPGA field programmable gate array
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in connection with the present application may be directly embodied by the execution of the hardware decoding processor or by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method.
  • the first configuration information further includes a first threshold and/or a second threshold, where the first threshold is less than or equal to the second threshold,
  • the processor 230 is further configured to: if the load level is greater than or equal to the first threshold, determine to send the report information to the network device; or
  • the load level is less than or equal to the second threshold, it is determined that the report information is sent to the network device.
  • the load level includes:
  • the transmission resource concentrates the load level of the resource unit used by the third terminal device.
  • the transmission resource concentrates the load level of the resource unit used by the second terminal device and the third terminal device.
  • the first configuration information further includes a third threshold M and/or a fourth threshold T, where M is less than or equal to T,
  • the processor 210 is further configured to: determine, in the transmission resource set, K available resource units, where K is less than or equal to M; or
  • K is greater than or equal to T;
  • K available resource units in the transmission resource set, where K is greater than or equal to M and less than or equal to T;
  • the idle resource unit information in the report information is information of the K idle resource units.
  • the transceiver 230 is further configured to: receive second configuration information sent by the network device, where the second configuration information includes a fifth threshold and/or a sixth threshold, the fifth threshold being less than or equal to the sixth threshold;
  • the processor 210 is specifically configured to: when the detected signal quality of the network device is less than or equal to a fifth threshold, detect a load level of the transmission resource set; or
  • the detected load level is detected if the detected signal quality of the network device is greater than or equal to a fifth threshold and less than or equal to a sixth threshold.
  • the terminal device adopts a centralized scheduling transmission mode or adopts a distributed transmission mode.
  • the transceiver 230 is further configured to:
  • the processor 210 may be implemented by a processing module
  • the memory 220 may be implemented by a storage module
  • the transceiver 230 may be implemented by a transceiver module.
  • the terminal device 300 may include a processing module 310.
  • the terminal device 200 shown in FIG. 8 or the terminal device 300 shown in FIG. 9 can implement the steps performed by the first terminal device in FIG. 6 and FIG. 7 described above. To avoid repetition, details are not described herein again.
  • FIG. 10 shows a schematic block diagram of a network device 400 of one embodiment of the present application. It should be understood that the network device embodiment and the method embodiment correspond to each other. For a similar description, refer to the method embodiment.
  • the network device 400 includes: a processor 410, a memory 420, and a transceiver 430, and the processor 410.
  • the memory 420 and the transceiver 430 are connected by communication, the memory 420 stores instructions, the processor 410 is used to execute instructions stored by the memory 420, and the transceiver 430 is configured to perform specific signal transceiving under the driving of the processor 410.
  • the transceiver 430 is configured to send first configuration information to the first terminal device, where the first configuration information includes information of a transmission resource set, where the second set of terminal devices in the centralized scheduling transmission mode and the distributed transmission are used. a set of transmission resources common to the third terminal device of the mode;
  • the transceiver 430 is further configured to: receive report information sent by the first terminal device, where the report information includes information about resource elements occupied by the transmission resource set and/or information of available resource units.
  • the network device may send the configuration information of the transmission resource set (overlapping resource pool) to the application for transmission.
  • the terminal device may detect the resource unit in the transmission resource set, determine the usage of the transmission resource set, and send the information of the resource element that is idle or available to the network device, where the network device is configured according to The information of the resource unit allocates transmission resources to the terminal device. In this way, it is possible to avoid a conflict between the transmission resource allocated to the terminal device and the transmission resource selected by the terminal device in the distributed transmission mode. It ensures that the terminal device can communicate smoothly, improving communication quality and user experience.
  • the various components in network device 400 communicate with one another via a communication connection, i.e., processor 410, memory 420, and transceiver 430, through internal connection paths, to communicate control and/or data signals.
  • a communication connection i.e., processor 410, memory 420, and transceiver 430
  • the foregoing method embodiments of the present application may be applied to a processor, or the processor may implement the steps of the foregoing method embodiments.
  • the processor may be an integrated circuit chip with signal processing capabilities.
  • each step of the foregoing method embodiment may pass through a processor.
  • the integrated logic of the hardware or the instructions in software form are completed.
  • the above processor may be a CPU, a network processor NP or a combination of a CPU and an NP, a DSP, an ASIC, an FPGA or other programmable logic device, a discrete gate or a transistor logic device, or a discrete hardware component.
  • the methods, steps, and logical block diagrams disclosed in this application can be implemented or executed.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in connection with the present application may be directly embodied by the execution of the hardware decoding processor or by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method.
  • the first configuration information further includes a first threshold and/or a second threshold, where the first threshold is less than or equal to the second threshold, the first threshold and/or The second threshold is used by the first terminal device to determine to send report information to the network device according to the load level of the transmission resource set.
  • the first configuration information further includes a third threshold value M and/or a fourth threshold value T, where M is less than or equal to T, the available resource unit information in the report information.
  • Information for K available resource units where
  • K is less than or equal to M, or
  • K is greater than or equal to T, or
  • K is greater than or equal to M and less than or equal to T.
  • the transceiver 430 is further configured to: send, to the first terminal device, second configuration information, where the second configuration information includes a fifth threshold and/or a sixth threshold.
  • the fifth threshold is less than or equal to the sixth threshold, and the fifth threshold and/or the sixth threshold is used by the first terminal device to determine to start detecting the load level of the transmission resource set.
  • the load level includes:
  • the transmission resource concentrates the load level of the resource unit used by the third terminal device.
  • the transmission resource concentrates the load level of the resource unit used by the second terminal device and the third terminal device.
  • the first terminal device adopts a centralized scheduling transmission mode or adopts a distributed transmission mode.
  • the transceiver 430 is further configured to: resource scheduling information sent to the first terminal device, where the resource scheduling information is generated according to the report information, the resource scheduling information The resource unit information in the transmission resource set allocated for the first terminal device is included.
  • the processor 410 may be implemented by a processing module
  • the memory 420 may be implemented by a storage module
  • the transceiver 430 may be implemented by a transceiver module.
  • the network device 500 may include a processing module 510.
  • the network device 400 shown in FIG. 10 or the network device 500 shown in FIG. 11 can implement the steps performed by the network device in FIG. 6 and FIG. 7 described above. To avoid repetition, details are not described herein again.
  • the embodiment of the present application further provides a computer readable medium for storing computer program code, the computer program comprising instructions for performing the method of direct link data transmission of the embodiment of the present application in FIG. 6 and FIG. .
  • the readable medium may be a read-only memory (ROM) or a random access memory (RAM), which is not limited in this embodiment of the present application.
  • the embodiment of the present application further provides a communication system, which includes the terminal provided by the foregoing embodiment of the present application.
  • the device and the foregoing embodiment of the present application provide a network device, and the communication system can complete any method for directly connecting link data transmission provided by the embodiment of the present application.
  • the embodiment of the present application further provides a system chip, which includes a processing unit and a communication unit.
  • the processing unit may be, for example, a processor, and the communication unit may be, for example, an input/output interface, a pin or a circuit.
  • the processing unit may execute computer instructions to cause the chip within the terminal to perform the method of direct link data transmission of any of the above aspects.
  • the computer instructions are stored in a storage unit.
  • the storage unit is a storage unit in the chip, such as a register, a cache, etc.
  • the storage unit may also be a storage unit located outside the chip in the terminal, such as a ROM or other device that can store static information and instructions.
  • ROM read-only memory
  • the processor mentioned in any of the above may be a CPU, a microprocessor, an ASIC, or an integrated circuit of one or more programs for controlling the method of data transmission of the first direct link described above.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.

Abstract

本申请提供了一种直连链路数据传输的方法、终端设备和网络设备。该方法包括：第一终端设备接收网络设备发送的第一配置信息，该第一配置信息包括传输资源集的信息，该传输资源集为采用集中调度传输模式的第二终端设备和采用分布式传输模式的第三终端设备公用的传输资源集；该第一终端设备根据该传输资源集的信息，检测该传输资源集中的资源单元的负载程度；该第一终端设备根据该负载程度，向该网络设备发送报告信息，该报告信息包括该传输资源集中被占用的资源单元的信息和/或可用的资源单元的信息。可以避免给该第一终端设备分配传输资源和其他终端设备的传输资源产生冲突，提高终端设备通信质量和用户体验。

Description

直连链路数据传输的方法、终端设备和网络设备 技术领域
本申请涉及通信领域，更为具体的，涉及通信领域中直连链路数据传输的方法、终端设备和网络设备。
背景技术
车辆可以通过车辆与车辆之间通信(vehicle to vehicle，V2V)或者车辆与路边基础设施通信(vehicle to infrastructure，V2I)或者车辆与行人之间的通信(vehicle to pedestrian，V2P)或者车辆与网络通信(vehicle to network，V2N)来及时获取路况信息或接收信息服务，这些通信方式可以统称为V2X通信(X代表任何事物)。我们称将V2X通信所使用的网络成为车联网。直连链路数据传输主要是两个终端设备之间的数据传输或者信息的交互过程，而车联网是目前直连链路通信中的重要组成部分。
目前，基于长期演进(long term evolution，LTE)系统的直连链路通信，主要分为两种传输模式，一种为集中调度传输模式，该模式下，发送端设备每次发送数据前，需要向基站申请传输资源，并根据基站分配的传输资源发送直连链路通信业务数据。另一种为分布式传输模式，在该模式下，发送端设备可以预先获取传输资源池配置，当发送端设备需要发送直连链路通信数据时，可自主在预先获取的传输资源池中选择传输资源并发送数据。
一般情况下，分布式传输模式的传输资源池和集中调度传输模式的传输资源池是正交的，而且是被网络规划好的。但是这种静态的划分造成了资源利用率的较低。因此，目前允许分布式传输资源池和集中调度资源池是非正交的，也就是说两类资源池中的部分(甚至全部)传输资源可以是交叠的。交叠部分的资源既可以通过分布式传输模式使用，也可以通过集中调度传输模式使用。在允许分布式传输资源池和集中调度资源池存在交叠时，对于交叠部分的资源来说，有可能使用不同传输模式的终端设备占用了相同的传输资源，这就会造成传输碰撞，使得使用相同传输资源的不同传输模式终端设备发送的数据造成彼此干扰，造成接收端设备无法正确接收数据。从而影响了用户的通信质量，用户体验不好。
发明内容
本申请提供一种直连链路数据传输的方法、终端设备和网络设备。在分布式传输资源集和集中调度资源池存在交叠的情况下，终端设备可以对该传输资源集中的资源单元进行检测，并将该传输资源集中空闲或者可用的资源单元的信息发送给网络设备，可以避免给该第一终端设备分配传输资源和其他终端设备的传输资源产生冲突，提高通信质量和用户体验。
第一方面，提供了一种直连链路数据传输的方法，包括：第一终端设备接收网络设备发送的第一配置信息，该第一配置信息包括传输资源集的信息，该传输资源集为采用集中 调度传输模式的第二终端设备和采用分布式传输模式的第三终端设备公用的传输资源集；该第一终端设备根据该传输资源集的信息，检测该传输资源集中的资源单元的负载程度；该第一终端设备根据该负载程度，向该网络设备发送报告信息，该报告信息包括该传输资源集中被占用的资源单元的信息和/或可用的资源单元的信息。
第一方面提供的直连链路数据传输的方法，在分布式传输资源集和集中调度资源池存在交叠的情况下，网络设备可以将该传输资源集(交叠的资源池)的配置信息发送给需要申请传输资源第一终端设备，该第一终端设备可以对该传输资源集中的资源单元进行检测，确定该传输资源集的使用情况，并将该传输资源集中空闲或者可用的资源单元的信息发送给网络设备，网络设备根据该资源单元的信息，给该第一终端设备分配传输资源。这样可以避免给该第一终端设备分配传输资源和其他终端设备的传输资源产生冲突。保证了该第一终端设备的可以顺利进行通信，提高通信质量和用户体验。
在第一方面的一种可能的实现方式中，该第一配置信息还包括第一阈值和/或第二阈值，该第一阈值小于或者等于该第二阈值，在该第一终端设备向该网络设备发送该报告信息前，该方法还包括：在该负载程度大于或等于该第一阈值的情况下，该第一终端设备确定向该网络设备发送该报告信息；或，在该负载程度大于或等于该第一阈值且小于或等于该第二阈值的情况下，该第一终端设备确定向该网络设备发送该报告信息；或，在该负载程度小于或等于该第二阈值的情况下，该第一终端设备确定向该网络设备发送该报告信息。
在第一方面的一种可能的实现方式中，该负载程度包括：该传输资源集中被该第三终端设备使用的资源单元的负载程度；或，该传输资源集中被该第二终端设备和该第三终端设备使用的资源单元的负载程度。
在第一方面的一种可能的实现方式中，该第一配置信息还包括第三阈值M和/或第四阈值T，M小于或等于T，该方法还包括：该第一终端设备在该传输资源集中确定K个可用资源单元，K小于或者等于M；或，该第一终端设备在该传输资源集中确定K个可用资源单元，K大于或者等于T；或，该第一终端设备在该传输资源集中确定K个可用资源单元，K大于或者等于M且小于或者等于T；该报告信息中的该可用的资源单元信息为该K个可用的资源单元的信息。
在第一方面的一种可能的实现方式中，在该第一终端设备检测该传输资源集中的资源单元的负载程度之前，该方法还包括：该第一终端设备接收该网络设备发送的第二配置信息，该第二配置信息包括第五阈值和/或第六阈值，该第五阈值小于或等于该第六阈值；该第一终端设备根据该传输资源集的信息，检测该传输资源集中的资源单元的负载程度，包括：在该第一终端设备检测到的该网络设备的信号质量小于或等于第五阈值的情况下，该第一终端设备确定开始检测该负载程度，或在该第一终端设备检测到的该网络设备的信号质量大于或等于第六阈值的情况下，该第一终端设备确定开始检测该负载程度，或在该第一终端设备检测到的该网络设备的信号质量大于或等于第五阈值且小于或等于第六阈值的情况下，该第一终端设备确定开始检测该负载程度。
在第一方面的一种可能的实现方式中，该第一终端设备采用集中调度传输模式或采用分布式传输模式。
在第一方面的一种可能的实现方式中，在该第一终端设备向该网络设备发送报告信息 后，该方法还包括：该第一终端设备接收该网络设备发送的资源调度信息，该资源调度信息是根据该报告信息生成的，该资源调度信息包括为该第一终端设备分配的该传输资源集中的资源单元信息。
第二方面，提供了一种直连链路数据传输的方法，包括：网络设备向第一终端设备发送第一配置信息，该第一配置信息包括传输资源集的信息，该传输资源集为采用集中调度传输模式的第二终端设备和采用分布式传输模式的第三终端设备公用的传输资源集；该网络设备接收该第一终端设备发送的报告信息，该报告信息包括该传输资源集中被占用的资源单元的信息和/或可用的资源单元的信息。
第二方面提供的直连链路数据传输的方法，在分布式传输资源集和集中调度资源池存在交叠的情况下，网络设备可以将该传输资源集(交叠的资源池)的配置信息发送给需要申请传输资源终端设备，该终端设备可以对该传输资源集中的资源单元进行检测，确定该传输资源集的使用情况，并将该传输资源集中空闲或者可用的资源单元的信息发送给网络设备，网络设备根据该资源单元的信息，给该终端设备分配传输资源。这样可以避免给该终端设备分配传输资源和采用分布式传输模式的终端设备自主选择的传输资源产生冲突。保证了该终端设备的可以顺利进行通信，提高通信质量和用户体验。
在第二方面的一种可能的实现方式中，该第一配置信息还包括第一阈值和/或第二阈值，该第一阈值小于或者等于该第二阈值，该第一阈值和/或第二阈值用于该第一终端设备根据该传输资源集的负载程度确定向该网络设备发送报告信息。
在第二方面的一种可能的实现方式中，该第一配置信息还包括第三阈值M和/或第四阈值T，M小于或等于T，该报告信息中的该可用的资源单元信息为K个可用的资源单元的信息，其中，K小于或者等于M，或，K大于或者等于T，或，K大于或者等于M且小于或者等于T。
在第二方面的一种可能的实现方式中，该方法还包括：该网络设备向该第一终端设备发送第二配置信息，该第二配置信息包括第五阈值和/或第六阈值，该第五阈值小于或等于该第六阈值，该第五阈值和/或该第六阈值用于该第一终端设备确定开始检测该传输资源集的负载程度。
在第二方面的一种可能的实现方式中，该负载程度包括：该传输资源集中被该第三终端设备使用的资源单元的负载程度；或，该传输资源集中被该第二终端设备和该第三终端设备使用的资源单元的负载程度。
在第二方面的一种可能的实现方式中，该第一终端设备采用集中调度传输模式或采用分布式传输模式。
在第二方面的一种可能的实现方式中，在该网络设备接收该第一终端设备发送的报告信息之后，该方法还包括：该网络设备向该第一终端设备发送的资源调度信息，该资源调度信息是根据该报告信息生成的，该资源调度信息包括为该第一终端设备分配的该传输资源集中的资源单元信息。
第三方面，提供了一种终端设备，包括处理器、存储器和收发器，用于支持该终端设备执行上述方法中相应的功能。处理器、存储器和收发器通过通信连接，存储器存储指令，收发器用于在处理器的驱动下执行具体的信号收发，该处理器用于调用该指令实现上述第一方面及其各种实现方式中的直连链路数据传输的方法。
第四方面，提供了一种终端设备，包括处理模块、存储模块和收发模块，用于支持终端设备执行上述第一方面或第一方面的任意可能的实现方式中的第一终端设备的功能，功能可以通过硬件实现，也可以通过硬件执行相应的软件实现，硬件或软件包括一个或者多个与上述功能相对应的模块。
第五方面，提供了一种网络设备，包括处理器、存储器和收发器，用于支持该网络设备执行上述方法中相应的功能。处理器、存储器和收发器通过通信连接，存储器存储指令，收发器用于在处理器的驱动下执行具体的信号收发，该处理器用于调用该指令实现上述第二方面及其各种实现方式中的直连链路数据传输的方法。
第六方面，提供了一种网络设备，包括处理模块、存储模块和收发模块，用于支持网络设备执行上述第二方面或第二方面的任意可能的实现方式中的网络设备的功能，功能可以通过硬件实现，也可以通过硬件执行相应的软件实现，硬件或软件包括一个或者多个与上述功能相对应的模块。
第七方面，提供了一种通信系统，该通信系统包括上述第三方面或第四方面提供的终端设备及上述第五或第六方面提供的网络设备。该通信系统可以完成上述第一方面和第二方面提供的直连链路数据传输的方法。
第八方面，提供了一种计算机可读存储介质，用于存储计算机程序，该计算机程序包括用于执行上述第一方面或第一方面的任一种可能的实现方式的方法的指令。
第九方面，提供了一种计算机可读存储介质，用于存储计算机程序，该计算机程序包括用于执行上述第二方面或第二方面的任一种可能的实现方式的方法的指令。
附图说明
图1是V2V和V2I的通信的示意性。
图2是正交的分布式传输资源池和集中调度传输资源池的示意图。
图3是分布式传输资源池和集中调度传输资源池部分重叠的示意图。
图4是分布式传输资源池和集中调度传输资源池重叠部分传输资源碰撞的示意图。
图5是本申请实施例一个典型的应用场景的示意图。
图6是本申请一个实施例的直连链路数据传输的方法的示意性流程图。
图7是本申请另一个实施例的直连链路数据传输的方法的示意性流程图。
图8是本申请一个实施例的终端设备的示意性框图。
图9是本申请另一个实施例的终端设备的示意性框图。
图10是本申请一个实施例的网络设备的示意性框图。
图11是本申请另一个实施例的网络设备的示意性框图。
具体实施方式
下面将结合附图，对本申请中的技术方案进行描述。
本申请实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(global system of mobile communication，GSM)系统、码分多址(code division multiple access，CDMA)系统、宽带码分多址(wideband code division multiple access，WCDMA)系统、通用分组无线业务(general packet radio service，GPRS)、长期演进(long term evolution， LTE)系统、LTE频分双工(frequency division duplex，FDD)系统、LTE时分双工(time division duplex，TDD)、通用移动通信系统(universal mobile telecommunication system，UMTS)、全球互联微波接入(worldwide interoperability for microwave access，WiMAX)通信系统、未来的第五代(5th generation，5G)系统或新无线(new radio，NR)等。
本申请实施例中的终端设备可以是用户设备(user equipment，UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、通信装置、用户代理或用户装置。终端设备还可以是蜂窝电话、无绳电话、会话启动协议(session initiation protocol，SIP)电话、无线本地环路(wireless local loop，WLL)站、个人数字处理(personal digital assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，未来5G网络中的终端设备或者未来演进的公用陆地移动通信网络(public land mobile network，PLMN)中的终端设备等，本申请实施例对此并不限定。
本申请实施例中的网络设备可以是用于与终端设备通信的设备，该网络设备可以是全球移动通讯(global system of mobile communication，GSM)系统或码分多址(code division multiple access，CDMA)中的基站(base transceiver station，BTS)，也可以是宽带码分多址(wideband code division multiple access，WCDMA)系统中的基站(nodeb，NB)，还可以是LTE系统中的演进型基站(evolutional nodeb，eNB或eNodeB)，还可以是云无线接入网络(cloud radio access network，CRAN)场景下的无线控制器，或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络设备或者未来演进的PLMN网络中的网络设备等，本申请实施例在此并不限定。
随着社会的不断发展,汽车的普及程度也越来越高,驾驶出行在给人们的出行带来便利的同时,也给人类社会带来一定负面影响，车辆数量迅速增加引起了城市交通拥堵、交通事故频发、环境质量变差等一系列问题。据统计，2013年中国发生交通事故近20万起，造成5.8人万死亡，直接经济损失达到10.4亿元，从人身安全、交通出行效率、环境保护以及经济效应等多方面来看，都需要一套完善的智能交通系统(intelligent transportation system,ITS)。而当前，ITS也理所当然的成为了全球关注热点。
目前，车辆可以通过V2V、V2I、V2P或者V2N来及时获取路况信息或接收信息服务，这些通信方式可以统称为V2X通信。以最常见的V2V和V2I为例，图1是V2V和V2I的通信的示意性。如图1所示，车辆之间通过V2V通信，可以将自身的车速、行驶方向、具体位置、是否踩了紧急刹车等信息广播给周围车辆，周围车辆的驾驶员通过获取该类信息，可以更好的感知视距外的交通状况，从而对危险状况作出提前预判进而作出避让。而对于V2I通信，除了上述安全信息的交互外，路边基础设施，例如，路侧单元(road side unit，RSU)可以为车辆提供各类服务信息和数据网络的接入，不停车收费、车内娱乐等功能都极大的提高了交通智能化。我们称将V2X通信所使用的网络成为车联网。而车联网是目前直连链路通信中的重要组成部分。
LTE是目前主流的无线通信技术，其针对V2X业务特性及传输需求制定了相关的标准，支持基于LTE的V2X直连通信。基于LTE系统的V2X通信，主要分为两种传输模式：
集中调度传输模式(也可称为Mode3)：在该模式下，发送端设备每次发送数据前，需要基站申请传输资源，并根据基站分配的传输资源发送V2X业务数据。对于集中式传输 模式，由于发送端设备的传输资源是由基站动态统一分配的，因此不会发生临近终端终端设备分配相同资源的情况，从而集中式传输模式可以保证更好的传输可靠性。但是由于每次发送端设备和基站之间需要交互信令，因此传输时延相对分布式传输模式要长。对于一个发送端设备而言，并不知道基站为其他发送端设备分配的资源情况。
分布式传输模式(也可称为Mode4)：在该模式下，发送端设备可以预先获取传输资源池配置，当发送端设备需要发送V2X数据时，可自主在预先获取的传输资源池中选择传输资源并发送数据。由于发送端设备自主选择资源，因此会出现不同发送端设备选择了相同资源的情况，因此有可能发生传输碰撞。但是由于分布式传输模式不需要与基站交互信令，因此可以更低的传输时延。对于基站而言，并不知道发送端设备选择传输资源的情况。
如图2所示，图2是正交的分布式传输资源池和集中调度传输资源池的示意图。分布式传输模式的传输资源池和集中调度传输模式的传输资源池(也称为“传输资源集”)是正交的，而且是被网络规划好的。这种静态的划分造成了资源利用率的较低。例如，基站覆盖范围下，绝大多数UE被配置使用分布式传输模式，在分布式传输资源池中发送V2X业务数据，只有少量用户被配置使用集中调度模式在集中调度传输资源池中发送V2X业务数据。这就有可能造成分布式传输资源池的负载较高。虽然集中调度资源池的负载很低，但是由于资源池划分的正交性，分布式传输模式下的终端无法使用该类资源池，从而资源利用率较低。反之亦然。
作为一种增强方案，如图3所示，图3是分布式传输资源池和集中调度传输资源池部分重叠的示意图。传输资源池可以允许分布式传输资源池和集中调度资源非正交，也就是说两类资源池中的部分资源单元(甚至全部)传输资源可以是交叠的。这类资源既可以通过分布式传输模式使用，也可以通过集中调度传输模式使用。
在分布式(mode4)传输资源池和集中调度(mode3)资源池存在交叠的情况下，对于交叠部分的资源来说，有可能使用不同传输模式的终端设备占用了相同的传输资源，这就会造成传输碰撞。图4是分布式传输资源池和集中调度传输资源池重叠部分传输资源碰撞的示意图。如图4所示，基站为UE1(使用mode3传输模式)分配的资源单元与UE2(使用mode4传输模式)自主选择的资源单元为同一个资源单元。在这种情况下，UE1和UE2使用相同传输资源发送资源会造成彼此干扰，造成接收端设备无法正确接收数据，从而影响了用户的通信质量，用户体验不好。特别的，对于使用mode3传输模式的发送端设备，其需要保证高可靠传输，不能允许资源发生碰撞。
基于上述问题，本申请实施例提供了一种直连链路数据传输的方法。可以避免在在分布式传输资源池和集中调度资源池存在交叠的情况下，不同传输模式的终端设备存在的传输资源碰撞的问题，从而提高了用户的通信质量，确保了使用mode3传输模式的终端设备可以正常的传输数据。直连链路数据传输主要是两个终端设备之间的数据传输或者信息的交互过程。
图5是本申请实施例一个典型的应用场景的示意图，本申请的技术方案可以应用在有网络覆盖下直连链路通信场景，例如，如图5所示的V2X应用场景，车辆和车辆之间可以通过网络设备提供的网络进行通信。
应理解，本申请实施例仅以图5所示的应用场景为例进行说明，但本申请实施例并不 限于此，例如，图5所示的系统中，车辆可以和更多的其他类型的设施进行通信，本申请实施例的技术方案还可以应用在其他的直连链路通信技术或者设备与设备(device-to-device，D2D)之间的通信过程中。
下面结合图6详细说明本申请提供的直连链路数据传输的方法，图6是本申请实施例的直连链路数据传输的方法100的示意性流程图，该方法100可以应用在图5所示的场景中，当然也可以应用在其他通信场景中，本申请实施例在此不作限制。
如图6所示，该方法100包括：
S110，网络设备向第一终端设备发送的第一配置信息，该第一配置信息包括传输资源集的信息，该传输资源集为采用集中调度传输模式的第二终端设备和采用分布式传输模式的第三终端设备公用的传输资源集，相应的，该第一终端设备接收该第一配置信息。
S120，该第一终端设备根据该传输资源集的信息，检测该传输资源集中资源单元的负载情况。
S130，该第一终端设备根据该负载情况，向该网络设备发送报告信息，该报告信息包括该传输资源集中被占用的资源单元的信息和/或可用的资源单元的信息。相应的，该网络设备接收该报告信息。
本申请实施例提供的直连链路数据传输的方法，在分布式传输资源集和集中调度资源池存在交叠的情况下，网络设备可以将该传输资源集的配置信息发送给需要申请传输资源第一终端设备，该第一终端设备可以对该传输资源集中的资源单元进行检测，确定该传输资源集的使用情况，并将该传输资源集中空闲或者可用的资源单元的信息发送给网络设备，网络设备根据该资源单元的信息，给该第一终端设备分配传输资源。这样可以避免给该第一终端设备分配传输资源和采用分布式传输模式的终端设备自主选择的传输资源，或者采用集中调度传输模式的终端设备的传输资源产生冲突。保证了该第一终端设备的可以顺利进行通信，提高通信质量和用户体验。
具体而言，在S110中，网络设备可以向第一终端设备发送第一配置信息，该第一配置信息包括传输资源集的信息。该传输资源集为采用集中调度传输模式的第二终端设备(mode3 UE)和采用分布式传输模式的第三终端设备(mode4 UE)公用的传输资源集。该第一终端设备传输数据时所用的资源可以是由该网络设备分配的。即在该传输资源集中为该第一终端设备分配传输资源，由于该传输资源集中的资源单元也可以被采用分布式传输模式的第三终端设备利用，即该传输资源集成为了一个共享的传输资源集，该共享的传输资源集中的资源允许采用集中调度传输模式的第二终端设备和采用分布式传输模式的第三终端设备共享使用。
应理解，在本申请实施例中，第二终端设备和第三终端设备只是为了区分采用不同传输模式的终端设备，第二终端设备和第三终端设备代表两类不同的终端设备，第二终端设备和第三终端设备的个数可以是一个，也可以是很多个。第一终端设备是在需要传输数据时，网络设备将在该资源池(传输资源集)中给该第一终端设备分配传输资源，本申请实施例在此不作限制。
还应理解，该第一终端设备可以是第二终端或第三终端，本申请实施例在此不作限制。
还应理解，第二终端设备和第三终端设备可以代表不同版本能力的终端设备，例如，第二终端设备和/或第三终端设备可以是LTE版本14和/或版本15的终端，也可以是5G 版本的终端。本申请实施例在此不作限制。
还应理解，该第一终端设备可以采用集中调度传输模式或采用分布式传输模式。在本申请实施例中，该第一终端设备可以采用集中调度传输模式，即所需要的传输资源可以由网络设备配置。这样，网络设备根据该传输资源集中的资源单元的信息，给该第一终端设备分配传输资源。这样可以避免给该第一终端设备分配传输资源和采用分布式传输模式的终端设备自主选择的传输资源产生冲突。保证了该第一终端设备的可以顺利进行通信，提高通信质量和用户体验。
该第一终端设备也可以采用分布式传输模式，即所需要的传输资源可以由该第一终端设备自主选择。由于该第一终端设备进行了该传输资源集的负载程度的检测并上报该传输资源集中被占用的资源单元的信息和/或可用的资源单元的信息给网络设备，因此，该第一终端设备自主进行资源选择时，也不会出现选择同样的资源单元而产生冲突的问题，确保了通信质量。并且，网络设备可以该传输资源集中被占用的资源单元的信息和/或可用的资源单元的信息发送给其他采用分布式传输模式的终端设备，或者根据该传输资源集中被占用的资源单元的信息和/或可用的资源单元的信息，给其他采用集中调度传输模式的终端设备分配传输资源。也可以避免网络设备给采用集中调度传输模式的终端设备分配传输资源和采用分布式传输模式的终端设备自主选择的传输资源产生冲突。保证了这些终端设备的可以顺利进行通信，
应理解，该传输资源集可以是该第一终端设备当前使用的集中调度传输资源集，也可以是该当前使用的集中调度传输资源集的一个子集，还可以是与该当前使用的集中调度传输资源集部分或完全重叠的另一个独立资源池或资源集合，可以是另一个分布式传输资源池的子集，还也可以是与该当前使用的集中调度传输资源集完全正交的另一个独立资源池或资源集合。本申请实施例在此不作限制。
可选的，网络设备可以通过无线资源控制(radio resource control，RRC)专用信令或者系统信息的方式发送该配置信息。还可以通过其他方方式发送该配置信息，本申请实施例在此不作限制。
可选的，作为一个实施例，在S110之前，该方法100还可以包括：
S109，该第一终端设备在需要传输数据的情况下，向网络设备发请求信息，该请求信息用于向网络设备申请传输数据的时频资源。例如该请求信息可以包括需要的资源单元的数量等信息。本申请实施例在此不作限制。
在S120中，该第一终端设备根据传输资源集的信息，该第一终端设备检测该传输资源集中资源单元的负载程度。该负载程度可以包括被占用资源占全部资源的比例，或被占用资源的总量，或可用资源的总量等。本申请实施例在此不作限制。
例如，该第一终端设备检测该传输资源集中的资源单元的占用情况。该第一终端设备可以检测该传输资源集的被占用的传输资源比例/个数，可以是传输资源集中被第二终端设备占用的传输资源单元比例/个数，也可以是传输资源集中被第三终端设备占用的传输资源单元比例/个数。进一步的，当该第一终端设备检测传输资源集中的第二终端设备和第三终端设备占用的传输资源单元比例/个数时，该第一终端设备可以通过读取在该资源单元上发送的直连链路数据中的模式指示信息判断相应的资源单元是被第二终端设备占用还是被第三终端设备占用。该模式指示信息可以位于接收到的直连链路数据对应的媒体 接入控制协议数据单元(media access control protocol data unit，MAC PDU)中，也可以位于直连链路数据对应的调度分配信息(Scheduling Assignment，SA)中等。本申请实施例在此不作限制。
可选的，该第一终端设备还可以通过检测传输资源集中资源单元的能量来确定该资源单元是否可用。例如，当第一终端设备在一个传输资源单元上检测不到能量或者能量门限小于或等于预设门限值时，第一终端设备确定该传输资源单元可用，即不被占用。或者检测到资源上的能量大于或等于预设门限且数据优先级高于另一门限值时认为一个资源被占用；或者一个资源上的数据能被成功解码时认为资源被占用。本申请实施例在此不作限制。
可选的，当第一终端设备在一个传输资源单元上根据解码数据中的预留信息，判断该资源单元在后续一段时间不会再被预留的情况下，第一终端设备确定该传输资源单元空闲。该传输资源单元可以是传输子信道，该传输资源单元的信息可以是该资源单元的时频资源位置或者传输资源标识等。本申请实施例在此不作限制。
应理解，在本申请实施例中，该第一终端设备可以利用多种检测方法来检测该传输资源集中资源单元是否被占用，可以检测其他可以体现负载程度的指标。本申请实施例在此不作限制。
还应理解，在本申请实施例中，当采用分布式传输模式的第三终端设备利用该传输资源集中的资源单元传输数据时，可以采用先侦听后预留的方式选择传输资源，即在侦听到某一资源单元空闲时，可以在之后的某一个固定时长内预留该资源单元被自己使用，即在该固定时长内，该资源单元处于被占用的状态。
在S130中，该第一终端设备根据该负载情况，向该网络设备发送报告信息，该报告信息包括该传输资源集中被占用的资源单元的信息和/或可用的资源单元的信息。可选的，该报告信息还可以包括该传输资源集中所有或者部分资源单元的负载程度，还可以包括该传输资源集中的其他负载信息。相应的，该网络设备接收该报告信息。
应理解，该资源单元的信息可以是时频资源信息，可以是位图信息(每个比特(bit)位代表一个时频资源或信道)，也可以是资源位置或信道的索引标识信息等，本申请实施例在此不作限制。
可选的，作为一个实施例，如图7所示，该方法100还可以包括：
S140，该网络设备根据该报告信息，生成资源调度信息，该资源调度信息包括为该第一终端设备分配的该传输资源集中的资源单元信息。
S150，该网络设备向该第一终端设备发送该资源调度信息。相应的，该第一终端设备接收该资源调度信息。
在S140，该网络设备根据该报告信息，即根据该传输资源集中被占用的资源单元的信息或可用的资源单元的信息，生成资源调度信息。该资源调度信息包括为该第一终端设备分配的该传输资源集中的资源单元信息。即网络设备从该可用的资源单元中确定为该第一终端设备分配的资源单元，例如，可以是某一个或者某些空闲的资源单元的编号、时频资源位置或者传输资源标识等。本申请实施例在此不作限制。
在S150中，该网络设备向该第一终端设备发送该资源调度信息。相应的，该第一终端设备接收该资源调度信息。可选的。该第一终端设备接收到该资源调度信息后，便可以 根据该资源调度信息中为自己分配的资源单元的信息，在该资源单元上进行数据的传输。从而保证了给该第一终端设备分配传输资源和采用分布式传输模式的终端设备自主选择的传输资源不会产生冲突。保证了采用集中调度传输模式的终端设备的可以顺利进行通信，提高通信质量和用户体验。
应理解，在本申请实施例中，传输资源集中包括的资源单元的粒度可以是物理资源块(physical resource block，PRB)，可以是资源单元组(resource element group，REG)，还可以是控制信道单元(control channel element，CCE)等，本申请实施例在此不作限制。
可选的，作为一个实施例，该第一配置信息还包括第一阈值和/或第二阈值，该第一阈值小于或者等于该第二阈值，，在S130前，该方法100还包括：
S121，在该负载程度大于或等于该第一阈值的情况下，该第一终端设备确定向该网络设备发送该报告信息，或
在该负载程度大于或等于该第一阈值且小于或等于该第二阈值的情况下，该第一终端设备确定向该网络设备发送该报告信息，或
在该负载程度小于或等于该第二阈值的情况下，该第一终端设备确定向该网络设备发送该报告信息。
具体而言。该第一终端设备可以检测该共享传输资源集的负载程度，例如，负载程度可以是传输资源集中被第二终端设备占用的传输资源单元比例/个数。通过检测该传输资源集中的资源单元的负载程度，在该负载程度大于或者等于该第一阈值的情况下，再向该第一终端设备发送该报告信息。这样，在负载程度比较小的情况下，由于该传输资源集中较多的资源单元处于可用的状态，因此，网络设备可以按照现有的集中式传输模式的要求，在该传输资源集中为该第一终端设备分配资源，也可以在很大的程度上降低为该第一终端设备分配传输资源和采用分布式传输模式的终端设备自主选择的传输资源冲突的概率，而且，该第一终端设备不用上报该报告信息，在降低了资源冲突发生的概率的同时，节约了信令和资源。进一步提高了通信效率。
可选的，在该负载程度大于或等于该第一阈值且小于或等于该第二阈值的情况下，该第一终端设备确定向该网络设备发送该报告信息，这样可以进一步的确定满足上报的条件。例如，可以规定针对不同的负载情况，上报不同的资源单元的个数。例如，该第一阈值为0.5，该第二阈值为0.6，当0.5≤负载程度值≤0.6时，上报10个可用的资源单元。或者，当0.6≤负载程度值≤0.7时，规定上报5个可用的资源单元。这样可以进一步的节省上报的所耗费的资源，提高资源的利用率和上报的确定性。进一步提高了通信效率。
可选的，在该负载程度小于或等于该第二阈值的情况下，该第一终端设备确定向该网络设备发送该报告信息。即可以规定负载程度小于第二阈值的情况下再上报，这样，可以更加准确的告知网络设备该传输资源池的所有资源单元的使用情况，使得网络设备给该第一终端设备分配的资源不可能产生冲突的问题，即确保了通信的质量。
可选的，作为一个实施例，该负载程度包括：
该传输资源集中被该第三终端设备使用的资源单元的负载程度，或
该传输资源集中被该第二终端设备和该第三终端设备使用的资源单元的负载程度。
具体而言，该传输资源集为采用集中调度传输模式的第二终端设备(mode3UE)和采用分布式传输模式的第三终端设备(mode4UE)公用的传输资源集。对于集中调度传 输模式，由于是网络设备分配资源的模式，因此，网络设备知道该传输资源集哪些资源单元资源被第二终端设备。并不知道哪些资源单元被第三终端设备占用，因此，第一终端设备只需要检测传输资源集中被该第三终端设备使用的资源单元的负载程度，可以降低检测和上报所用的资源，节省能耗。在网络设备或者该资源池中哪些资源单元被第三终端设备使用后，结合自身已经知道的哪些资源单元被采用集中调度传输模式的第二终端设备使用，便可以确定哪些资源单元为可用的。
可选的，作为一个实施例，该第一终端设备检测到的负载程度还可以是传输资源集中被该第三终端设备和被该第二终端设备使用的资源单元的负载程度。本申请实施例在此不作限制。
应理解，上述的负载程度是所有被第三终端设备使用的资源单元，或者所有被第三终端设备和第二终端设备使用的资源单元。本申请实施例在此不作限制。
可选的，作为一个实施例，该第一配置信息还包括第三阈值M和/或第四阈值T，M小于或等于T，该方法100还包括：
该第一终端设备在该传输资源集中确定K个可用资源单元，K小于或者等于M；或
该第一终端设备在该传输资源集中确定K个可用资源单元，K大于或者等于T；或
该第一终端设备在该传输资源集中确定K个可用资源单元，K大于或者等于M且小于或者等于T。
该报告信息中的该空闲的资源单元信息为该K个空闲资源单元的信息。
具体而言，当该第一终端设备到该传输资源集中具有多个可用的资源单元情况下，如果将所有可用的资源单元的信息都进行上报，会增加信令的开销和资源消耗的增大。因此，网络设备可以根据该第一终端设备传输数据的情况确定需要的资源的情况，例如，需要的资源单元的个数。确定第三阈值M和/或第四阈值T，M小于或等于T，该配置信息还包括该第三阈值M和/或第四阈值T。
可选的，该第一终端设备在该多个空闲的资源单元中确定K个可用的资源单元，K小于或者等于M，然后将该K个可用资源单元的信息上报给网络设备。这样，在满足第一终端设备需要的传输资源的前提下。可以进一步的降低信令的开销和资源消耗。
可选的，该第一终端设备还可以在该传输资源集中确定K个可用资源单元，K大于或者等于T。即上报的资源单元的个数有一个下限值，这样，可以确保给该第一终端设备分配的资源是足够的，确保该第一终端设备可以正常的传输数据。
可选的，该第一终端设备还可以在该传输资源集中确定K个可用资源单元，K大于或者等于M且小于或者等于T。网络设备可以根据该第一终端设备需要的资源的情况，例如，需要的资源单元的个数。还可以确定一个上报的下限值M和上限值T。该第一终端设备在该多个空闲的资源单元中确定K个空闲资源单元，K小于或者等于M且大于或者等于T。这样，在的降低信令的开销和资源消耗的同时。还可以保证满足第一终端设备需要的传输资源。确保该第一终端设备可以正常的发送数据，提高通信质量。
应理解，第一终端设备可以采用多种方法确定K个可用的资源单元。例如。第一终端设备可以在所有可用资源单元随机选择K个可用的资源单元，也可以对可用资源单元根据一定规则进行排序，例如，按照资源单元的能量值大小，从小到大的顺序进行排序，选取前K个可用资源。也可以利用其他规则或者方法，本申请实施例在此不作限制。
可选的，作为一个实施例，该第一终端设备和第二终端设备位于第一小区内，该第三终端设备位于第二小区内。
具体而言，使用该传输资源集的中的第二终端设备和第三终端设备可以是处于不同小区内，即采用集中调度传输模式的第二终端设备和采用分布式传输模式的第三终端设备位于不同的小区内。网络设备给第一小区内第二终端设备分配的集中调度传输资源集和给第二小区内第三终端设备分配的分布式传输池在两个小区边缘的地方可能存在交叠。这样情况下，也可能会存在传输资源冲突的现象。因此，也可以采用本申请实施例中的技术方案，确保采用集中调度传输模式的第一终端设备可以正常的通信。提高通信效率。
本申请实施例提供的直连链路数据传输的方法，在分布式传输资源集和集中调度资源池存在交叠的情况下，网络设备可以将共享的传输资源集的配置信息发送给需要申请传输资源的第一终端设备，该第一终端设备可以对该传输资源集中的资源单元进行检测，确定该传输资源集的使用情况，网络设备根据该传输资源集的使用情况，给该第一终端设备分配传输资源，这样可以避免或者降低给该第一终端设备分配传输资源和采用分布式传输模式的终端设备自主选择的传输资源产生冲突的概率。提高了采用集中调度传输模式的终端设备的顺利进行通信的保障率，提高通信质量和用户体验。
可选的，作为一个实施例，该第一终端设备、第二终端设备位于第一小区内和该第三终端设备也可以位于同一个小区内。本申请实施例在此不作限制。
可选的，作为一个实施例，在S120之前，该方法100还包括：
该第一终端设备接收网络设备发送的第二配置信息，该第二配置信息包括第五阈值和/或第六阈值，该第五阈值小于或等于该第六阈值,
该第一终端设备根据该传输资源集的信息，检测该传输资源集中的资源单元的负载程度，包括：
在该第一终端设备检测到的该网络设备的信号质量小于或等于第五阈值的情况下，该第一终端设备检测该负载程度，或
在该第一终端设备检测到的该网络设备的信号质量大于或等于第六阈值的情况下，该第一终端设备检测该负载程度，或
在该第一终端设备检测到的该网络设备的信号质量大于或等于第五阈值且小于或等于第六阈值的情况下，该第一终端设备检测该负载程度。
具体而言，该第一终端设备第一小区内移动时，会持续的接收该网络设备发送的信号，在该第一终端设备检测到接收到的信息质量小于或者等于该第五阈值的情况下，证明该网络设备处于第一小区的边缘。在小区边缘，可能出现第一终端设备所用的传输资源池中资源单元被其他小区内终端设备占用的情况。因此，该第一终端设备会开始检测该传输资源池中资源单元的负载情况。可以更加准确的进行传输资源集负载情况的检测，节省检测负载时所用的资源，提高资源利用率。
可选的，第一终端设备接收到的网络设备的信号质量越高，证明与网络设备的距离越近。信号质量越低，证明与网络设备的距离越远，即越靠近小于边缘。因此，为了更加准确的确定第一终端设备所处的位置。该配置信息还可以第六阈值，该第五阈值小于或等于该第六阈值。利用该第五阈值和该第六阈值来判断该第一终端设备是否在小区边缘。在接收到该网络设备的信号质量大于或者等于该第五阈值并且小于或等于该六阈值的情况下， 确定第一终端设备处于小区边缘，该第一终端设备便根据该配置信息，开始检测该传输资源池中资源单元的负载情况。可以更加准确的限定第一终端设备开始检测传输资源池的条件，提高检测的准确性和效率，避免了不必要的检测，降低资源的消耗。
可选的，在该第一终端设备检测到的该网络设备的信号质量大于或等于第六阈值的情况下，该第一终端设备确定开始检测该负载程度，这样可以确保及时检测该传输资源集的负载程度。避免了已经传输资源集中的资源单元被其他终端设备使用而并不检测的发生，确保了该传输资源集的负载程度准确性。
本申请实施例提供的直连链路数据传输的方法，在采用集中调度传输模式的第一终端设备移动到小区的边缘时，在检测到本小区(第一小区)内为该第一终端设备分配的传输资源池的资源单元和其他小区(第二小区)内采用分布式传输模式和/或采用集中调度传输模式的终端设备传输资源存在交叠的情况下，该第一终端设备可以对该资源池中的资源单元进行检测，确定该资源池的使用情况，并将该资源池中空闲或者可用的资源单元的信息发送给网络设备，网络设备根据该资源单元的负载信息，给该第一终端设备分配传输资源，可以避免给该第一终端设备分配传输资源和其他小区内的终端设备的传输资源产生冲突。保证了采用本小区内集中调度传输模式的终端设备的可以顺利进行通信，提高通信质量和用户体验。
应理解，该第二配置信息可以为该第一配置信息，可以是另外的不同于该第一配置信息的其他信息。本申请实施例在此不作限制。
应理解，在本申请的各个实施例中，上述各过程和各步骤序号的大小并不意味着执行顺序的先后，各过程的执行顺序应该以其功能和内在的逻辑而定，而不应对本申请的实施例的实施过程造成任何限制。
上文结合图1至图7，详细描述了本申请实施例的直连链路数据传输的方法，下面将结合图8至图11，详细描述本申请实施例的终端设备和网络设备。
图8是本申请一个实施例的终端设备的示意性框图。应理解，该终端设备可以指上述的第一终端设备，终端设备实施例与方法实施例相互对应，类似的描述可以参照方法实施例，图8所示的终端设备200可以用于执行对应于图6和图7中第一终端设备执行的步骤。该终端设备200包括：处理器210、存储器220和收发器230，处理器210、存储器220和收发器230通过通信连接，存储器220存储指令，处理器210用于执行存储器220存储的指令，收发器230用于在处理器210的驱动下执行具体的信号收发。
该收发器230，用于接收网络设备发送的第一配置信息，该第一配置信息包括传输资源集的信息，该传输资源集为采用集中调度传输模式的第二终端设备和采用分布式传输模式的第三终端设备公用的传输资源集；
该处理器210，用于根据该传输资源集的信息，检测该传输资源集中的资源单元的负载程度；
该收发器230还用于：向该网络设备发送报告信息，该报告信息包括该传输资源集中被占用的资源单元的信息和/或可用的资源单元的信息。
本申请实施例提供的终端设备，在分布式传输资源集和集中调度资源池存在交叠的情况下，网络设备可以将该传输资源集(交叠的资源池)的配置信息发送给需要申请传输资源终端设备，该终端设备可以对该传输资源集中的资源单元进行检测，确定该传输资源集 的使用情况，并将该传输资源集中空闲或者可用的资源单元的信息发送给网络设备，网络设备根据该资源单元的信息，给该终端设备分配传输资源。这样可以避免给该终端设备分配传输资源和采用分布式传输模式的终端设备自主选择的传输资源产生冲突。保证了该终端设备的可以顺利进行通信，提高通信质量和用户体验。
终端设备200中的各个组件通过通信连接，即处理器210、存储器220和收发器230之间通过内部连接通路互相通信，传递控制和/或数据信号。本申请上述方法实施例可以应用于处理器中，或者由处理器实现上述方法实施例的步骤。处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是中央处理器(central processing unit，CPU)，网络处理器(network processor，NP)或者CPU和NP的组合、数字信号处理器(digital signal processor，DSP)、专用集成电路(application specific integrated circuit，ASIC)、现成可编程门阵列(field programmable gate array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。
可选的，在本申请的另一个实施例中，该第一配置信息还包括第一阈值和/或第二阈值，该第一阈值小于或者等于该第二阈值，
该处理器230还用于：在该负载程度大于或等于该第一阈值的情况下，确定向该网络设备发送该报告信息；或
在该负载程度大于或等于该第一阈值且小于或等于该第二阈值的情况下，确定向该网络设备发送该报告信息；或
在该负载程度小于或等于该第二阈值的情况下，确定向该网络设备发送该报告信息。
可选的，在本申请的另一个实施例中，该负载程度包括：
该传输资源集中被该第三终端设备使用的资源单元的负载程度；或
该传输资源集中被该第二终端设备和该第三终端设备使用的资源单元的负载程度。
可选的，在本申请的另一个实施例中，该第一配置信息还包括第三阈值M和/或第四阈值T，M小于或等于T，
该处理器210还用于：在该传输资源集中确定K个可用资源单元，K小于或者等于M；或
在该传输资源集中确定K个可用资源单元，K大于或者等于T；或
在该传输资源集中确定K个可用资源单元，K大于或者等于M且小于或者等于T；
该报告信息中的该空闲的资源单元信息为该K个空闲资源单元的信息。
可选的，在本申请的另一个实施例中，在该处理器210检测该传输资源集中的资源单元的负载程度之前，
该收发器230还用于：接收该网络设备发送的第二配置信息，该第二配置信息包括第 五阈值和/或第六阈值，该第五阈值小于或等于该第六阈值；
该处理器210具体用于：在检测到的该网络设备的信号质量小于或等于第五阈值的情况下，检测该传输资源集的负载程度；或
在检测到的该网络设备的信号质量大于或等于第六阈值的情况下，检测该负载程度；或
在检测到的该网络设备的信号质量大于或等于第五阈值且小于或等于第六阈值的情况下，检测该负载程度。
可选的，在本申请的另一个实施例中，该终端设备采用集中调度传输模式或采用分布式传输模式。
可选的，在本申请的另一个实施例中，在该收发器230向该网络设备发送报告信息后，该收发器230还用于：
接收该网络设备发送的资源调度信息，该资源调度信息是根据该报告信息生成的，该资源调度信息包括为该终端设备分配的该传输资源集中的资源单元信息。
应注意，本申请实施例中，处理器210可以由处理模块实现，存储器220可以由存储模块实现，收发器230可以由收发模块实现，如图9所示，终端设备300可以包括处理模块310、存储模块320和收发模块330。
图8所示的终端设备200或图9所示的终端设备300能够实现前述图6和图7中第一终端设备执行的步骤，为避免重复，这里不再赘述。
图10示出了本申请一个实施例的网络设备400的示意性框图。应理解，网络设备实施例与方法实施例相互对应，类似的描述可以参照方法实施例，如图10所示，该网络设备400包括：处理器410、存储器420和收发器430，处理器410、存储器420和收发器430通过通信连接，存储器420存储指令，处理器410用于执行存储器420存储的指令，收发器430用于在处理器410的驱动下执行具体的信号收发。
该收发器430，用于向第一终端设备发送第一配置信息，该第一配置信息包括传输资源集的信息，该传输资源集为采用集中调度传输模式的第二终端设备和采用分布式传输模式的第三终端设备公用的传输资源集；
该收发器430还用于：接收该第一终端设备发送的报告信息，该报告信息包括该传输资源集中被占用的资源单元的信息和/或可用的资源单元的信息。
本申请实施例提供的网络设备，在分布式传输资源集和集中调度资源池存在交叠的情况下，网络设备可以将该传输资源集(交叠的资源池)的配置信息发送给需要申请传输资源终端设备，该终端设备可以对该传输资源集中的资源单元进行检测，确定该传输资源集的使用情况，并将该传输资源集中空闲或者可用的资源单元的信息发送给网络设备，网络设备根据该资源单元的信息，给该终端设备分配传输资源。这样可以避免给该终端设备分配传输资源和采用分布式传输模式的终端设备自主选择的传输资源产生冲突。保证了该终端设备的可以顺利进行通信，提高通信质量和用户体验。
网络设备400中的各个组件通过通信连接，即处理器410、存储器420和收发器430之间通过内部连接通路互相通信，传递控制和/或数据信号。本申请上述方法实施例可以应用于处理器中，或者由处理器实现上述方法实施例的步骤。处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法实施例的各步骤可以通过处理器中 的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是CPU，网络处理器NP或者CPU和NP的组合、DSP、ASIC、FPGA或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。
可选的，在本申请的另一个实施例中，该第一配置信息还包括第一阈值和/或第二阈值，该第一阈值小于或者等于该第二阈值，该第一阈值和/或第二阈值用于该第一终端设备根据该传输资源集的负载程度确定向该网络设备发送报告信息。
可选的，在本申请的另一个实施例中，该第一配置信息还包括第三阈值M和/或第四阈值T，M小于或等于T，该报告信息中的该可用的资源单元信息为K个可用的资源单元的信息，其中，
K小于或者等于M，或
K大于或者等于T，或
K大于或者等于M且小于或者等于T。
可选的，在本申请的另一个实施例中，该收发器430还用于：向该第一终端设备发送第二配置信息，该第二配置信息包括第五阈值和/或第六阈值，该第五阈值小于或等于该第六阈值，该第五阈值和/或该第六阈值用于该第一终端设备确定开始检测该传输资源集的负载程度。
可选的，在本申请的另一个实施例中，该负载程度包括：
该传输资源集中被该第三终端设备使用的资源单元的负载程度；或
该传输资源集中被该第二终端设备和该第三终端设备使用的资源单元的负载程度。
可选的，在本申请的另一个实施例中，该第一终端设备采用集中调度传输模式或采用分布式传输模式。
可选的，在本申请的另一个实施例中，该收发器430还用于：向该第一终端设备发送的资源调度信息，该资源调度信息是根据该报告信息生成的，该资源调度信息包括为该第一终端设备分配的该传输资源集中的资源单元信息。
应注意，在发明实施例中，处理器410可以由处理模块实现，存储器420可以由存储模块实现，收发器430可以由收发模块实现，如图11所示，网络设备500可以包括处理模块510、存储模块520和收发模块530。
图10所示的网络设备400或图11所示的网络设备500能够实现前述图6和图7中网络设备执行的步骤，为避免重复，这里不再赘述。
本申请实施例还提供了一种计算机可读介质，用于存储计算机程序代码，该计算机程序包括用于执行上述图6和图7中本申请实施例的直连链路数据传输的方法的指令。该可读介质可以是只读存储器(read-only memory，ROM)或随机存取存储器(random access memory，RAM)，本申请实施例对此不做限制。
本申请实施例还提供了一种通信系统，该通信系统包括上述本申请实施例提供的终端 设备和上述本申请实施例提供网络设备，该通信系统可以完成本申请实施例提供的任一种直连链路数据传输的方法。
本申请实施例还提供了一种系统芯片，该系统芯片包括：处理单元和通信单元，该处理单元，例如可以是处理器，该通信单元例如可以是输入/输出接口、管脚或电路等。该处理单元可执行计算机指令，以使该终端内的芯片执行上述第一方面任意一项的直连链路数据传输的方法。
可选地，该计算机指令被存储在存储单元中。
可选地，该存储单元为该芯片内的存储单元，如寄存器、缓存等，该存储单元还可以是该终端内的位于该芯片外部的存储单元，如ROM或可存储静态信息和指令的其他类型的静态存储设备，RAM等。其中，上述任一处提到的处理器，可以是一个CPU，微处理器，ASIC，或一个或多个用于控制上述第一种直连链路数据传输的方法的程序执行的集成电路。
应理解，本文中术语“和/或”以及“A或B中的至少一种”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而 前述的存储介质包括：U盘、移动硬盘、ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (29)

  1. 一种直连链路数据传输的方法，其特征在于，包括：
    第一终端设备接收网络设备发送的第一配置信息，所述第一配置信息包括传输资源集的信息，所述传输资源集为采用集中调度传输模式的第二终端设备和采用分布式传输模式的第三终端设备公用的传输资源集；
    所述第一终端设备根据所述传输资源集的信息，检测所述传输资源集中的资源单元的负载程度；
    所述第一终端设备根据所述负载程度，向所述网络设备发送报告信息，所述报告信息包括所述传输资源集中被占用的资源单元的信息和/或可用的资源单元的信息。
  2. 根据权利要求1所述的方法，其特征在于，所述第一配置信息还包括第一阈值和/或第二阈值，所述第一阈值小于或者等于所述第二阈值，在所述第一终端设备向所述网络设备发送所述报告信息前，所述方法还包括：
    在所述负载程度大于或等于所述第一阈值的情况下，所述第一终端设备确定向所述网络设备发送所述报告信息；或
    在所述负载程度大于或等于所述第一阈值且小于或等于所述第二阈值的情况下，所述第一终端设备确定向所述网络设备发送所述报告信息；或
    在所述负载程度小于或等于所述第二阈值的情况下，所述第一终端设备确定向所述网络设备发送所述报告信息。
  3. 根据权利要求1或2所述的方法，其特征在于，所述负载程度包括：
    所述传输资源集中被所述第三终端设备使用的资源单元的负载程度；或
    所述传输资源集中被所述第二终端设备和所述第三终端设备使用的资源单元的负载程度。
  4. 根据权利要求1至3中任一项所述的方法，其特征在于，所述第一配置信息还包括第三阈值M和/或第四阈值T，M小于或等于T，所述方法还包括：
    所述第一终端设备在所述传输资源集中确定K个可用资源单元，K小于或者等于M；或
    所述第一终端设备在所述传输资源集中确定K个可用资源单元，K大于或者等于T；或
    所述第一终端设备在所述传输资源集中确定K个可用资源单元，K大于或者等于M且小于或者等于T；
    所述报告信息中的所述可用的资源单元信息为所述K个可用的资源单元的信息。
  5. 根据权利要求1至4中任一项所述的方法，其特征在于，在所述第一终端设备检测所述传输资源集中的资源单元的负载程度之前，所述方法还包括：
    所述第一终端设备接收所述网络设备发送的第二配置信息，所述第二配置信息包括第五阈值和/或第六阈值，所述第五阈值小于或等于所述第六阈值；
    所述第一终端设备根据所述传输资源集的信息，检测所述传输资源集中的资源单元的负载程度，包括：
    在所述第一终端设备检测到的所述网络设备的信号质量小于或等于第五阈值的情况下，所述第一终端设备检测所述负载程度，或
    在所述第一终端设备检测到的所述网络设备的信号质量大于或等于第六阈值的情况下，所述第一终端设备检测所述负载程度，或
    在所述第一终端设备检测到的所述网络设备的信号质量大于或等于第五阈值且小于或等于第六阈值的情况下，所述第一终端设备检测所述负载程度。
  6. 根据权利要求1至5中任一项所述的方法，其特征在于，所述第一终端设备采用集中调度传输模式或采用分布式传输模式。
  7. 根据权利要求1至6中任一项所述的方法，其特征在于，在所述第一终端设备向所述网络设备发送报告信息后，所述方法还包括：
    所述第一终端设备接收所述网络设备发送的资源调度信息，所述资源调度信息是根据所述报告信息生成的，所述资源调度信息包括为所述第一终端设备分配的所述传输资源集中的资源单元信息。
  8. 一种直连链路数据传输的方法，其特征在于，包括：
    网络设备向第一终端设备发送第一配置信息，所述第一配置信息包括传输资源集的信息，所述传输资源集为采用集中调度传输模式的第二终端设备和采用分布式传输模式的第三终端设备公用的传输资源集；
    所述网络设备接收所述第一终端设备发送的报告信息，所述报告信息包括所述传输资源集中被占用的资源单元的信息和/或可用的资源单元的信息。
  9. 根据权利要求8所述的方法，其特征在于，所述第一配置信息还包括第一阈值和/或第二阈值，所述第一阈值小于或者等于所述第二阈值，所述第一阈值和/或所述第二阈值用于所述第一终端设备根据所述传输资源集的负载程度确定向所述网络设备发送报告信息。
  10. 根据权利要求8或9所述的方法，其特征在于，所述第一配置信息还包括第三阈值M和/或第四阈值T，M小于或等于T，所述报告信息中的所述可用的资源单元信息为K个可用的资源单元的信息，其中，
    K小于或者等于M，或
    K大于或者等于T，或
    K大于或者等于M且小于或者等于T。
  11. 根据权利要求8至10中任一项所述的方法，其特征在于，所述方法还包括：
    所述网络设备向所述第一终端设备发送第二配置信息，所述第二配置信息包括第五阈值和/或第六阈值，所述第五阈值小于或等于所述第六阈值，所述第五阈值和/或所述第六阈值用于所述第一终端设备确定开始检测所述传输资源集的负载程度。
  12. 根据权利要求9或11所述的方法，其特征在于，所述负载程度包括：
    所述传输资源集中被所述第三终端设备使用的资源单元的负载程度；或
    所述传输资源集中被所述第二终端设备和所述第三终端设备使用的资源单元的负载程度。
  13. 根据权利要求8至12中任一项所述的方法，其特征在于，所述第一终端设备采用集中调度传输模式或采用分布式传输模式。
  14. 根据权利要求8至13中任一项所述的方法，其特征在于，在所述网络设备接收所述第一终端设备发送的报告信息之后，所述方法还包括：
    所述网络设备向所述第一终端设备发送的资源调度信息，所述资源调度信息是根据所述报告信息生成的，所述资源调度信息包括为所述第一终端设备分配的所述传输资源集中的资源单元信息。
  15. 一种终端设备，其特征在于，包括处理器、收发器和存储器，所述存储器用于存储指令，所述处理器用于执行所述存储器存储的指令，以控制所述收发器接收或发送信号，所述终端设备为第一终端设备；
    所述收发器，用于接收网络设备发送的第一配置信息，所述第一配置信息包括传输资源集的信息，所述传输资源集为采用集中调度传输模式的第二终端设备和采用分布式传输模式的第三终端设备公用的传输资源集；
    所述处理器，用于根据所述传输资源集的信息，检测所述传输资源集中的资源单元的负载程度；
    所述收发器还用于：向所述网络设备发送报告信息，所述报告信息包括所述传输资源集中被占用的资源单元的信息和/或可用的资源单元的信息。
  16. 根据权利要求15所述的终端设备，其特征在于，所述第一配置信息还包括第一阈值和/或第二阈值，所述第一阈值小于或者等于所述第二阈值，
    所述处理器还用于：在所述负载程度大于或等于所述第一阈值的情况下，确定向所述网络设备发送所述报告信息；或
    在所述负载程度大于或等于所述第一阈值且小于或等于所述第二阈值的情况下，确定向所述网络设备发送所述报告信息；或
    在所述负载程度小于或等于所述第二阈值的情况下，确定向所述网络设备发送所述报告信息。
  17. 根据权利要求15或16所述的终端设备，其特征在于，所述负载程度包括：
    所述传输资源集中被所述第三终端设备使用的资源单元的负载程度；或
    所述传输资源集中被所述第二终端设备和所述第三终端设备使用的资源单元的负载程度。
  18. 根据权利要求15至17中任一项所述的终端设备，其特征在于，所述第一配置信息还包括第三阈值M和/或第四阈值T，M小于或等于T，
    所述处理器还用于：在所述传输资源集中确定K个可用资源单元，K小于或者等于M；或
    在所述传输资源集中确定K个可用资源单元，K大于或者等于T；或
    在所述传输资源集中确定K个可用资源单元，K大于或者等于M且小于或者等于T；
    所述报告信息中的所述空闲的资源单元信息为所述K个空闲资源单元的信息。
  19. 根据权利要求15至18中任一项所述的终端设备，其特征在于，在所述处理器检测所述传输资源集中的资源单元的负载程度之前，
    所述收发器还用于：接收所述网络设备发送的第二配置信息，所述第二配置信息包括第五阈值和/或第六阈值，所述第五阈值小于或等于所述第六阈值；
    所述处理器具体用于：在检测到的所述网络设备的信号质量小于或等于第五阈值的情 况下，检测所述负载程度，或
    在检测到的所述网络设备的信号质量大于或等于第六阈值的情况下，检测所述负载程度，或
    在检测到的所述网络设备的信号质量大于或等于第五阈值且小于或等于第六阈值的情况下，检测所述负载程度。
  20. 根据权利要求15至19中任一项所述的终端设备，其特征在于，所述终端设备采用集中调度传输模式或采用分布式传输模式。
  21. 根据权利要求15至20中任一项所述的终端设备，其特征在于，在所述收发器向所述网络设备发送报告信息后，所述收发器还用于：
    接收所述网络设备发送的资源调度信息，所述资源调度信息是根据所述报告信息生成的，所述资源调度信息包括为所述终端设备分配的所述传输资源集中的资源单元信息。
  22. 一种网络设备，其特征在于，包括处理器、收发器和存储器，所述存储器用于存储指令，所述处理器用于执行所述存储器存储的指令，以控制所述收发器接收或发送信号；
    所述收发器，用于向第一终端设备发送第一配置信息，所述第一配置信息包括传输资源集的信息，所述传输资源集为采用集中调度传输模式的第二终端设备和采用分布式传输模式的第三终端设备公用的传输资源集；
    所述收发器还用于：接收所述第一终端设备发送的报告信息，所述报告信息包括所述传输资源集中被占用的资源单元的信息和/或可用的资源单元的信息。
  23. 根据权利要求22所述的网络设备，其特征在于，所述第一配置信息还包括第一阈值和/或第二阈值，所述第一阈值小于或者等于所述第二阈值，所述第一阈值和/或所述第二阈值用于所述第一终端设备根据所述传输资源集的负载程度确定向所述网络设备发送报告信息。
  24. 根据权利要求22或23所述的网络设备，其特征在于，所述第一配置信息还包括第三阈值M和/或第四阈值T，M小于或等于T，所述报告信息中的所述可用的资源单元信息为K个可用的资源单元的信息，其中，
    K小于或者等于M，或
    K大于或者等于T，或
    K大于或者等于M且小于或者等于T。
  25. 根据权利要求22至24中任一项所述的网络设备，其特征在于，所述收发器还用于：向所述第一终端设备发送第二配置信息，所述第二配置信息包括第五阈值和/或第六阈值，所述第五阈值和/或所述第六阈值用于所述第一终端设备确定开始检测所述传输资源集的负载程度。
  26. 根据权利要求23或25所述的网络设备，其特征在于，所述负载程度包括：
    所述传输资源集中被所述第三终端设备使用的资源单元的负载程度；或
    所述传输资源集中被所述第二终端设备和所述第三终端设备使用的资源单元的负载程度。
  27. 根据权利要求22至26中任一项所述的网络设备，其特征在于，所述第一终端设备采用集中调度传输模式或采用分布式传输模式。
  28. 根据权利要求22至27中任一项所述的网络设备，其特征在于，所述收发器还用 于：向所述第一终端设备发送的资源调度信息，所述资源调度信息是根据所述报告信息生成的，所述资源调度信息包括为所述第一终端设备分配的所述传输资源集中的资源单元信息。
  29. 一种计算机可读存储介质，用于存储计算机程序，其特征在于，所述计算机程序用于执行根据权利要求1至14中任一项所述的直连链路数据传输的方法的指令。
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