WO2016161709A1 - 用于d2d通信的资源配置方法、装置和终端 - Google Patents

用于d2d通信的资源配置方法、装置和终端 Download PDF

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Publication number
WO2016161709A1
WO2016161709A1 PCT/CN2015/082985 CN2015082985W WO2016161709A1 WO 2016161709 A1 WO2016161709 A1 WO 2016161709A1 CN 2015082985 W CN2015082985 W CN 2015082985W WO 2016161709 A1 WO2016161709 A1 WO 2016161709A1
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WIPO (PCT)
Prior art keywords
terminal
communication
resource
transmission
resource pool
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PCT/CN2015/082985
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English (en)
French (fr)
Inventor
雷艺学
张晨璐
张文杰
江明
郑倩
张云飞
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/10—Flow control between communication endpoints
    • H04W28/14—Flow control between communication endpoints using intermediate storage
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a resource configuration method for D2D communication, a resource configuration device for D2D communication, and a terminal.
  • D2D Device to Device
  • UE user terminals
  • eNB base station
  • UE-to-Network (UE-to-Network) trunking is a new feature introduced in D2D communication. It has the advantages of flexible deployment and can expand network coverage without increasing existing network equipment. In commercial communications and even public security. There are important applications in the field of communications (such as earthquakes, wars).
  • the unicast UE-NW relay system cannot establish a good connection with the base station 102 when the terminal 106 (ie, the remote UE) is outside the network coverage of the base station 102, but can be covered with the adjacent network.
  • the terminal 104 (relay UE) within the range establishes good D2D communication, and therefore, the terminal 106 can connect to the base station or other network node through the relay UE.
  • 3GPP defines a link between UEs in D2D communication as a secondary link (Side link), and defines the following two resource allocation methods:
  • Manner 1 In the RRC connection state, the UE requests the transmission resource from the eNB, and the eNB schedules the resource for the UE according to the report information of the UE, and the resource pool is not needed in this manner;
  • Manner 2 The UE autonomously selects the transmission resource from the resource pool.
  • the pre-configured resource pool or the resource pool configured by the eNB is required.
  • the resource allocation may be performed by using any one of the foregoing two manners according to the eNB configuration; and when the mode 2 is adopted, the resource pool information is set by the eNB by sending RRC signaling.
  • the UE-NW relay working mode some UEs are in the network coverage, and some UEs are outside the network coverage.
  • the current D2D communication has not yet given a special resource configuration method. If the current method is still in the existing mode, the remote end The UE uses the pre-configured resource pool, and the relay UE uses the resource pool configured by the eNB or is scheduled by the eNB.
  • the D2D sub-link connection is not fully utilized, and the eNB resource allocation capability is wasted, and some are not considered.
  • the resource configuration capability that the relay UE may be competent.
  • the present invention is based on at least one of the above technical problems, and proposes a new resource configuration scheme for D2D communication, which can fully utilize the sub-link connection of D2D communication, and realize flexible configuration of transmission resources of other terminals.
  • the resource allocation problem in D2D communication is effectively solved.
  • the present invention provides a resource configuration method for D2D communication suitable for a terminal, including: determining whether a relay function of D2D communication needs to be provided for other terminals; and determining that D2D communication needs to be provided for the other terminal.
  • the relay function is performed, the other terminal is configured with a transmission resource for performing D2D communication, so that the other terminal performs D2D communication through the transmission resource.
  • the terminal configures transmission resources for performing D2D communication to other terminals when determining that a relay function of D2D communication needs to be provided for other terminals, so that when other terminals are not within the coverage of the base station,
  • the configuration of the transmission resource is implemented by the terminal as the relay UE, and the secondary link connection of the D2D communication is fully utilized, thereby realizing the flexible configuration of the transmission resources of other terminals, and effectively solving the resource allocation problem in the D2D communication.
  • the terminal that is the relaying UE can acquire the resource pool allocated by the base station, and broadcast the obtained resource pool to other terminals, so that the other terminal selects the transmission resource from the received resource pool;
  • the acquired resource pool may not be broadcasted, but the acquired resource pool may be transmitted to other terminals when receiving the resource allocation request sent by other terminals.
  • the channel quality indicator value indicates the communication quality between the D2D communication
  • the buffer status report indicates the amount of data to be transmitted by the D2D communication, so the terminal as the relay UE can indicate the value and buffer according to the recorded historical channel quality.
  • the area status report actively configures the resource pool for D2D communication, so that the resource pool configured by the terminal can be more convenient for D2D communication. After the configuration of the resource pool is completed, the configured resource pool may be broadcasted, or the configured resource pool may be sent to other terminals when receiving the resource allocation request sent by other terminals.
  • the historical channel quality indicator value and/or the buffer status report includes: a channel quality indicator value and/or a buffer status report measured by the terminal, and the other terminal reporting Channel quality indicator value and/or buffer status report.
  • the method further includes: detecting a data transmission delay and a signal transmission quality during D2D communication with the other terminal; and if the data transmission delay in the D2D communication process with the other terminal is greater than Or equal to the preset delay value, and/or the signal transmission quality is less than or equal to the preset quality value, then the resource pool is reconfigured.
  • the data transmission delay in the process of detecting D2D communication with other terminals is greater than or equal to the preset delay value, and/or the signal transmission quality is less than or equal to the preset quality.
  • the resource pool is reconfigured so that the transmission resources in the resource pool can be updated in time when the D2D communication quality is poor, so as to ensure the D2D communication quality between the terminals.
  • the other terminal When receiving the resource configuration request sent by the other terminal, the other terminal is allocated a transmission resource for reporting the current channel quality indicator value of the other terminal and/or the current buffer status report, for the other terminal to send a current channel quality indicator value and/or a current buffer status report of the other terminal;
  • the transmission resource of the D2D communication by the terminal is configured according to the current channel quality indicator value of the terminal and/or the current buffer status, and according to the current channel quality indicator value of the other terminal and/or the current buffer status.
  • the report allocates transmission resources for D2D communication to other terminals, so that the transmission resources for D2D communication can be properly configured in real time to ensure high communication quality of D2D communication between terminals.
  • the method further includes: reconfiguring the transmission resource of the terminal for performing D2D communication and the D2D communication of the other terminal for each transmission time interval or every predetermined time length Transmission resource, wherein the predetermined duration is greater than the transmission time interval.
  • the transmission resources for performing D2D communication may be reconfigured in each time interval; of course, it may be further after each interval. Reconfigure.
  • the method further includes: selecting, from the resource pool, a transmission resource that performs D2D communication with the other terminal.
  • the transmission resource includes: a time-frequency resource and a transmission mode.
  • the method further includes: according to current status information of the terminal And/or a network condition in which the terminal is currently located, setting a mode of configuring a transmission resource for performing D2D communication to the other terminal.
  • the foregoing three resource configuration manners may be used separately, or may be flexibly switched and combined according to the current state information of the terminal and/or the network condition where the terminal is currently located.
  • the current state information of the terminal includes: the time that the terminal waits for the resource configuration, the battery power of the terminal, and the like; the network conditions currently in which the terminal is located include: the channel quality of the D2D communication, the interference size, and the like.
  • a resource configuration apparatus for D2D communication suitable for a terminal comprising: a determining unit, configured to determine whether a relay function of D2D communication needs to be provided for other terminals; a configuration unit, When the determining unit determines that a relay function of providing D2D communication for the other terminal is required, configuring, for the other terminal, a transmission resource for performing D2D communication, so that the other terminal performs the transmission resource D2D communication.
  • the terminal configures transmission resources for performing D2D communication to other terminals when determining that a relay function of D2D communication needs to be provided for other terminals, so that when other terminals are not within the coverage of the base station,
  • the configuration of the transmission resource is implemented by the terminal as the relay UE, and the secondary link connection of the D2D communication is fully utilized, thereby realizing the flexible configuration of the transmission resources of other terminals, and effectively solving the resource allocation problem in the D2D communication.
  • the manner in which the configuration unit configures the transmission resource to the other terminal specifically includes the following:
  • the configuration unit includes:
  • An obtaining unit configured to acquire a resource pool allocated by the base station
  • a first broadcast unit configured to broadcast the resource pool, for the other terminal to select the transmission resource from the resource pool;
  • the first interaction unit is configured to send the resource pool to the other terminal when the resource allocation request sent by the other terminal is received, so that the other terminal selects the transmission resource from the resource pool.
  • the terminal that is the relaying UE can acquire the resource pool allocated by the base station, and broadcast the obtained resource pool to other terminals, so that the other terminal selects the transmission resource from the received resource pool; You can not broadcast the acquired resource pool, but receive other When the resource allocation request is sent by the terminal, the obtained resource pool is transmitted to other terminals.
  • the configuration unit includes:
  • a first processing unit configured to automatically configure a resource pool for performing D2D communication according to the recorded historical channel quality indicator value and/or the buffer status report;
  • a second broadcast unit configured to broadcast the resource pool, for the other terminal to select the transmission resource from the resource pool;
  • a second interaction unit configured to send the resource pool to the other terminal when the resource allocation request sent by the other terminal is received, so that the other terminal selects the transmission resource from the resource pool.
  • the channel quality indicator value indicates the communication quality between the D2D communication
  • the buffer status report indicates the amount of data to be transmitted by the D2D communication, so the terminal as the relay UE can indicate the value and buffer according to the recorded historical channel quality.
  • the area status report actively configures the resource pool for D2D communication, so that the resource pool configured by the terminal can be more convenient for D2D communication. After the configuration of the resource pool is completed, the configured resource pool may be broadcasted, or the configured resource pool may be sent to other terminals when receiving the resource allocation request sent by other terminals.
  • the historical channel quality indicator value and/or the buffer status report includes: a channel quality indicator value and/or a buffer status report measured by the terminal, and the other terminal reporting Channel quality indicator value and/or buffer status report.
  • the configuration unit further includes: a detecting unit, configured to detect a data transmission delay and a signal transmission quality during D2D communication with the other terminal; the first processing unit further uses When the detecting unit detects that the data transmission delay during the D2D communication with the other terminal is greater than or equal to the preset delay value, and/or the signal transmission quality is less than or equal to the preset quality value, Reconfigure the resource pool.
  • a detecting unit configured to detect a data transmission delay and a signal transmission quality during D2D communication with the other terminal
  • the first processing unit further uses When the detecting unit detects that the data transmission delay during the D2D communication with the other terminal is greater than or equal to the preset delay value, and/or the signal transmission quality is less than or equal to the preset quality value, Reconfigure the resource pool.
  • the resource is reconfigured by detecting that the data transmission delay during the D2D communication with other terminals is greater than or equal to the preset delay value, and/or the signal transmission quality is less than or equal to the preset quality value.
  • the pool enables timely updating of transmission resources in the resource pool when D2D communication quality is poor, so as to ensure D2D communication quality between terminals.
  • the configuration unit includes: a measuring unit, configured to measure a current channel quality indicator value of the terminal and/or a current buffer status;
  • a second processing unit configured to configure, according to the current historical channel quality indicator value of the terminal and/or the current buffer status, a transmission resource used by the terminal to perform D2D communication, and used to send the other terminal after receiving
  • the other terminal is allocated a transmission resource for reporting the current channel quality indicator value of the other terminal and/or the current buffer status report, so that the other terminal sends the current status of the other terminal.
  • Channel quality indicator value and/or current buffer status report and
  • the second processing unit is further configured to configure, according to the current channel quality indicator value of the other terminal and the current buffer status report sent by the other terminal, the transmission resource for performing D2D communication to the other terminal.
  • the transmission resource of the D2D communication by the terminal is configured according to the current channel quality indicator value of the terminal and/or the current buffer status, and according to the current channel quality indicator value of the other terminal and/or the current buffer status.
  • the report allocates transmission resources for D2D communication to other terminals, so that the transmission resources for D2D communication can be properly configured in real time to ensure high communication quality of D2D communication between terminals.
  • the second processing unit is further configured to: reconfigure the transmission resource of the terminal for performing D2D communication and the other at each transmission time interval or every predetermined time interval a transmission resource of the terminal for performing D2D communication, wherein the predetermined duration is greater than the transmission time interval.
  • the transmission resources for performing D2D communication may be reconfigured in each time interval; of course, it may be further after each interval. Reconfigure.
  • the method further includes: a selecting unit, configured to select, from the resource pool, a transmission resource that performs D2D communication with the other terminal.
  • the transmission resource includes: a time-frequency resource and a transmission mode.
  • the configuration unit is further configured to: configure, according to the current state information of the terminal and/or the network condition that the terminal is currently located, to configure the other terminal The mode in which the transmission resources for D2D communication are placed.
  • the foregoing three resource configuration manners may be used separately, or may be flexibly switched and combined according to the current state information of the terminal and/or the network condition where the terminal is currently located.
  • the current state information of the terminal includes: the time that the terminal waits for the resource configuration, the battery power of the terminal, and the like; the network conditions currently in which the terminal is located include: the channel quality of the D2D communication, the interference size, and the like.
  • a terminal comprising: a communication bus, a transceiver, a memory, and a processor, wherein:
  • the communication bus is configured to implement connection communication between the transceiver device, the memory, and the processor;
  • the memory stores a set of program codes, and the processor calls the program code stored in the memory to perform the following operations:
  • a transmission resource for performing D2D communication is configured to the other terminal to enable the other terminal to perform D2D communication through the transmission resource.
  • the step of configuring the transmission resource for performing D2D communication to the other terminal when the processor needs to provide the relay function of the D2D communication to the other terminal specifically includes:
  • the resource pool is sent to the other terminal, so that the other terminal selects the transmission resource from the resource pool.
  • the step of configuring the transmission resource for performing D2D communication to the other terminal when the processor needs to provide the relay function of the D2D communication to the other terminal specifically includes:
  • the transceiver When the transceiver receives the resource allocation request sent by the other terminal, the resource pool is sent to the other terminal, so that the other terminal selects the transmission resource from the resource pool.
  • the historical channel quality indicator value and/or the buffer status report includes:
  • a channel quality indicator value and/or a buffer status report measured by the terminal a channel quality indicator value and/or a buffer status report reported by the other terminal.
  • the step of configuring the transmission resource for performing D2D communication to the other terminal when the processor needs to provide the relay function of the D2D communication to the other terminal specifically includes:
  • the step of the processor independently configuring the resource pool for performing D2D communication according to the recorded historical channel quality indicator value and/or the buffer status report further includes: detecting, by the processor, performing D2D with the other terminal
  • the resource pool is reconfigured when the data transmission delay during the communication is greater than or equal to the preset delay value, and/or the signal transmission quality is less than or equal to the preset quality value.
  • the step of configuring the transmission resource for performing D2D communication to the other terminal when the processor needs to provide the relay function of the D2D communication to the other terminal specifically includes:
  • the processor is further configured to:
  • Transmitting resources of the terminal for performing D2D communication and transmission resources of the other terminal for performing D2D communication are reconfigured at each transmission time interval or every predetermined time interval, wherein the predetermined duration is greater than The transmission time interval.
  • the processor is further configured to:
  • a transmission resource that performs D2D communication with the other terminal is selected in the resource pool.
  • the transmission resource includes: a time-frequency resource and a transmission mode.
  • the step of configuring the transmission resource for performing D2D communication to the other terminal when the processor needs to provide the relay function of the D2D communication to the other terminal specifically includes:
  • a mode of configuring a transmission resource for performing D2D communication to the other terminal is set according to current state information of the terminal and/or a network condition in which the terminal is currently located.
  • the sub-link connection of the D2D communication can be fully utilized, the flexible configuration of the transmission resources of other terminals is realized, and the resource allocation problem in the D2D communication is effectively solved.
  • FIG. 1 is a schematic structural diagram of a system of a UE-NW relay in D2D communication
  • FIG. 2 shows a schematic flow chart of a resource configuration method for D2D communication suitable for a terminal according to an embodiment of the present invention
  • FIG. 3 shows a schematic block diagram of a resource configuration apparatus for D2D communication suitable for a terminal according to an embodiment of the present invention
  • FIG. 4A is a schematic flow chart showing a resource configuration manner according to a first embodiment of the present invention.
  • 4B is a schematic flow chart showing a resource configuration manner according to a second embodiment of the present invention.
  • FIG. 5A is a schematic flowchart diagram of a resource configuration manner according to a third embodiment of the present invention.
  • FIG. 5B is a schematic flowchart showing a resource configuration manner according to a fourth embodiment of the present invention.
  • FIG. 6A is a schematic flow chart showing a resource configuration manner according to a fifth embodiment of the present invention.
  • FIG. 6B is a flow chart showing a resource configuration manner according to a sixth embodiment of the present invention.
  • Fig. 7 is a block diagram showing the structure of a terminal in accordance with a first embodiment of the present invention.
  • FIG. 2 shows a schematic flow chart of a resource configuration method for D2D communication suitable for a terminal according to an embodiment of the present invention.
  • a resource configuration method for D2D communication applicable to a terminal includes: Step 202, determining whether a relay function of D2D communication needs to be provided for other terminals; Step 204, determining When it is required to provide the relay function of the D2D communication for the other terminal, the transmission resource for performing D2D communication is configured to the other terminal, so that the other terminal performs D2D communication through the transmission resource.
  • the terminal configures transmission resources for performing D2D communication to other terminals when determining that a relay function of D2D communication needs to be provided for other terminals, so that when other terminals are not within the coverage of the base station,
  • the configuration of the transmission resource is implemented by the terminal as the relay UE, and the secondary link connection of the D2D communication is fully utilized, thereby realizing the flexible configuration of the transmission resources of other terminals, and effectively solving the resource allocation problem in the D2D communication.
  • the terminal that is the relaying UE can acquire the resource pool allocated by the base station, and broadcast the obtained resource pool to other terminals, so that the other terminal selects the transmission resource from the received resource pool;
  • the acquired resource pool may not be broadcasted, but the acquired resource pool may be transmitted to other terminals when receiving the resource allocation request sent by other terminals.
  • the channel quality indicator value indicates the communication quality between the D2D communication
  • the buffer status report indicates the amount of data to be transmitted by the D2D communication, so the terminal as the relay UE can indicate the value and buffer according to the recorded historical channel quality.
  • the area status report actively configures the resource pool for D2D communication, so that the resource pool configured by the terminal can be more convenient for D2D communication. After the configuration of the resource pool is completed, the configured resource pool may be broadcasted, or the configured resource pool may be sent to other terminals when receiving the resource allocation request sent by other terminals.
  • the historical channel quality indicator value and/or the buffer status report includes: a channel quality indicator value and/or a buffer status report measured by the terminal, and the other terminal reporting Channel quality indicator value and/or buffer status report.
  • the method further includes: detecting a data transmission delay and a signal transmission quality during D2D communication with the other terminal; and if the data transmission delay in the D2D communication process with the other terminal is greater than Or equal to the preset delay value, and/or the signal transmission quality If the amount is less than or equal to the preset quality value, the resource pool is reconfigured.
  • the resource is reconfigured by detecting that the data transmission delay during the D2D communication with other terminals is greater than or equal to the preset delay value, and/or the signal transmission quality is less than or equal to the preset quality value.
  • the pool enables timely updating of transmission resources in the resource pool when D2D communication quality is poor, so as to ensure D2D communication quality between terminals.
  • the other terminal When receiving the resource configuration request sent by the other terminal, the other terminal is allocated a transmission resource for reporting the current channel quality indicator value of the other terminal and/or the current buffer status report, for the other terminal to send a current channel quality indicator value and/or a current buffer status report of the other terminal;
  • the transmission resource of the D2D communication by the terminal is configured according to the current channel quality indicator value of the terminal and/or the current buffer status, and according to the current channel quality indicator value of the other terminal and/or the current buffer status.
  • the report allocates transmission resources for D2D communication to other terminals, so that the transmission resources for D2D communication can be properly configured in real time to ensure high communication quality of D2D communication between terminals.
  • the method further includes: reconfiguring the transmission resource of the terminal for performing D2D communication and the D2D communication of the other terminal for each transmission time interval or every predetermined time length Transmission resource, wherein the predetermined duration is greater than the transmission time interval.
  • the transmission resources for performing D2D communication may be reconfigured in each time interval; of course, it may be further after each interval. Reconfigure.
  • the method further includes: selecting, from the resource pool, a transmission resource that performs D2D communication with the other terminal.
  • the transmission resource includes: a time-frequency resource and a transmission mode.
  • the method further includes: configuring, according to current state information of the terminal and/or a network condition that the terminal is currently located, configuring, for the transmission resource of the D2D communication, to the other terminal. mode.
  • the foregoing three resource configuration manners may be used separately, or may be flexibly switched and combined according to the current state information of the terminal and/or the network condition where the terminal is currently located.
  • the current state information of the terminal includes: the time that the terminal waits for the resource configuration, the battery power of the terminal, and the like; the network conditions currently in which the terminal is located include: the channel quality of the D2D communication, the interference size, and the like.
  • FIG. 3 shows a schematic block diagram of a resource configuration apparatus for D2D communication suitable for a terminal according to an embodiment of the present invention.
  • a resource configuration apparatus 300 for D2D communication suitable for a terminal includes: a determining unit 302 and a configuration unit 304.
  • the determining unit 302 is configured to determine whether a relay function of the D2D communication needs to be provided for the other terminal, and the configuration unit 304 is configured to: when the determining unit 302 determines that the relay function of the D2D communication needs to be provided for the other terminal, A transmission resource for performing D2D communication is configured to the other terminal to enable the other terminal to perform D2D communication through the transmission resource.
  • the terminal configures transmission resources for performing D2D communication to other terminals when determining that a relay function of D2D communication needs to be provided for other terminals, so that when other terminals are not within the coverage of the base station,
  • the configuration of the transmission resource is implemented by the terminal as the relay UE, and the secondary link connection of the D2D communication is fully utilized, thereby realizing the flexible configuration of the transmission resources of other terminals, and effectively solving the resource allocation problem in the D2D communication.
  • the manner in which the configuration unit 304 configures the transmission resource to the other terminal specifically includes the following:
  • the configuration unit 304 includes:
  • the acquiring unit 304A is configured to acquire a resource pool allocated by the base station
  • a first broadcast unit 304B configured to broadcast the resource pool, for the other terminal to select the transmission resource from the resource pool;
  • the first interaction unit 304C is configured to send the resource pool to the other terminal when the resource allocation request sent by the other terminal is received, so that the other terminal selects the transmission resource from the resource pool. .
  • the terminal that is the relaying UE can acquire the resource pool allocated by the base station, and broadcast the obtained resource pool to other terminals, so that the other terminal selects the transmission resource from the received resource pool;
  • the acquired resource pool may not be broadcasted, but the acquired resource pool may be transmitted to other terminals when receiving the resource allocation request sent by other terminals.
  • the configuration unit 304 includes:
  • the first processing unit 304D is configured to automatically configure a resource pool for performing D2D communication according to the recorded historical channel quality indicator value and/or the buffer status report.
  • a second broadcast unit 304E configured to broadcast the resource pool, for the other terminal to select the transmission resource from the resource pool;
  • the second interaction unit 304F is configured to send the resource pool to the other terminal when the resource allocation request sent by the other terminal is received, so that the other terminal selects the transmission resource from the resource pool. .
  • the channel quality indicator value indicates the communication quality between the D2D communication
  • the buffer status report indicates the amount of data to be transmitted by the D2D communication, so the terminal as the relay UE can indicate the value and buffer according to the recorded historical channel quality.
  • the area status report actively configures the resource pool for D2D communication, so that the resource pool configured by the terminal can be more convenient for D2D communication. After the configuration of the resource pool is completed, the configured resource pool may be broadcasted, or the configured resource pool may be sent to other terminals when receiving the resource allocation request sent by other terminals.
  • the historical channel quality indicator value and/or the buffer status report includes: a channel quality indicator value and/or a buffer status report measured by the terminal, and the other terminal reporting Channel quality indicator value and/or buffer status report.
  • the configuration unit 304 further includes: a detecting unit 304G, configured to detect a data transmission delay and a signal transmission quality during D2D communication with the other terminal; the first processing unit The 304D is further configured to: when the detecting unit 304G detects that the data transmission delay in the D2D communication with the other terminal is greater than or equal to a preset delay value, And/or reconfiguring the resource pool when the signal transmission quality is less than or equal to a preset quality value.
  • the resource is reconfigured by detecting that the data transmission delay during the D2D communication with other terminals is greater than or equal to the preset delay value, and/or the signal transmission quality is less than or equal to the preset quality value.
  • the pool enables timely updating of transmission resources in the resource pool when D2D communication quality is poor, so as to ensure D2D communication quality between terminals.
  • the configuration unit 304 includes: a measuring unit 304H, configured to measure a current channel quality indicator value of the terminal and/or a current buffer status;
  • the second processing unit 304I is configured to configure, according to the current historical channel quality indicator value of the terminal and/or the current buffer status, a transmission resource used by the terminal to perform D2D communication, and is used to receive other terminals.
  • the other terminal is allocated a transmission resource for reporting the current channel quality indicator value of the other terminal and/or the current buffer status report, for the other terminal to send the other terminal Current channel quality indicator value and/or current buffer status report, and
  • the second processing unit 304I is further configured to configure, according to the current channel quality indicator value of the other terminal and the current buffer status report sent by the other terminal, the transmission resource for performing D2D communication to the other terminal. .
  • the transmission resource of the D2D communication by the terminal is configured according to the current channel quality indicator value of the terminal and/or the current buffer status, and according to the current channel quality indicator value of the other terminal and/or the current buffer status.
  • the report allocates transmission resources for D2D communication to other terminals, so that the transmission resources for D2D communication can be properly configured in real time to ensure high communication quality of D2D communication between terminals.
  • the second processing unit 304I is further configured to: again configure, at each transmission time interval or every predetermined time duration, a transmission resource of the terminal for performing D2D communication, and the a transmission resource of the other terminal for performing D2D communication, wherein the predetermined duration is greater than the transmission time interval.
  • the transmission resources for performing D2D communication may be reconfigured in each time interval; of course, it may be further after each interval. Reconfigure.
  • the method further includes: a selecting unit 306, configured to select, from the resource pool, a transmission resource that performs D2D communication with the other terminal.
  • the transmission resource includes: a time-frequency resource and a transmission mode.
  • the configuration unit 304 is further configured to: configure, according to the current state information of the terminal, and/or the network condition that the terminal is currently located, to configure the other terminal to perform The mode of transmission resources for D2D communication.
  • the foregoing three resource configuration manners may be used separately, or may be flexibly switched and combined according to the current state information of the terminal and/or the network condition where the terminal is currently located.
  • the current state information of the terminal includes: the time that the terminal waits for the resource configuration, the battery power of the terminal, and the like; the network conditions currently in which the terminal is located include: the channel quality of the D2D communication, the interference size, and the like.
  • the present invention also proposes a terminal (not shown) including: a resource configuration device 300 for D2D communication as shown in FIG.
  • the relay UE (such as 104 in FIG. 1) can withstand the complexity of the signaling processing algorithm, and has the resource pool configuration and/or resource scheduling capability, and can configure the resource pool for itself and the remote UE (106 in FIG. 1). Or directly schedule transmission resources for themselves and the remote UE.
  • the present invention proposes the following resource configuration methods:
  • the relay UE uses a pre-configured resource pool and is shared with the remote UE by means of broadcast or forwarding.
  • the resource pool information should include time-frequency resources, transmission modes, and the like.
  • Mode B The relay UE uses the resource pool configured by itself and is shared by the remote UE by means of broadcast or forwarding.
  • the resource pool information should include time-frequency resources and transmission modes.
  • Mode C The relay UE directly allocates transmission resources for itself and the remote UE. According to different scheduling time intervals, there are two methods: dynamic scheduling and semi-persistent scheduling (SPS).
  • SPS semi-persistent scheduling
  • a new RRC connection may be established on the secondary link, or an existing physical channel may be multiplexed, such as using PSBCH to transmit resource configuration information.
  • the foregoing three resource configuration modes need to transmit a signaling radio bearer (SRB) between the relay UE and the remote UE.
  • SRB signaling radio bearer
  • mode D mixed resource allocation methods can also be adopted.
  • the foregoing three resource allocation modes have their own applicable occasions. When the channel conditions change or the user needs change, so that the current mode is not applicable, the transition to other resource allocation modes may be considered.
  • the relay UE uses the pre-configured resource pool, and the remote UE shares the resource pool.
  • the resource pool information should include the time-frequency resource and the transmission mode.
  • the relay UE and the remote UE are independent from the resource pool. Select the transmission resource.
  • the sharing of the pre-configured resource pool information may be implemented in the manner shown in FIG. 4A, that is, by relaying the broadcast of the UE, or in the manner shown in FIG. 4B, that is, the request of the remote UE to send the shared resource pool.
  • the relay UE accepts the request and forwards the resource pool information.
  • mode A needs to establish a connection for transmitting resource allocation information on the secondary link, for example, establishing a new RRC connection, or multiplexing a current physical channel, such as a PSBCH.
  • This method avoids the resource pool configuration process and reduces the requirement for the relay UE resource configuration capability.
  • the relay UE needs to have certain signaling processing and resource configuration capabilities, and can configure a resource pool for itself and share the information with the remote UE.
  • the resource pool information should include time-frequency resources and transmission modes. When data needs to be transmitted, both the relay UE and the remote UE autonomously select transmission resources from the resource pool.
  • the relay UE may use the statistical information of the past time period (such as the relay UE measurement or the CQI (Channel Quality Indicator) of the remote UE feedback.
  • the resource indicator, the BSR (Buffer Status Reports, and other information) configures the resource pool for itself, and then broadcasts the resource pool information to the remote UE.
  • the relay UE accepts the request and forwards the resource pool information.
  • mode B needs to establish a connection for transmitting resource allocation information on the secondary link, for example, establishing a new RRC connection, or multiplexing the current physical channel.
  • the relay UE receives the aperiodic signal triggering, specifically, the delay of detecting the current D2D communication by the relay UE is large, and the currently measured SINR (Signal to Interference plus Noise Ratio, When the channel-to-interference plus noise ratio and the RSRQ (Reference Signal Receiving Quality) are low, the relay UE may be triggered to reconfigure the resource pool.
  • SINR Signal to Interference plus Noise Ratio
  • the technical solution of the mode B has the advantages of flexible resource configuration, and can select a time-frequency resource and a transmission mode with better performance according to information such as CQI and BSR measured in the recent long period of time, and the anti-interference ability is strong.
  • the relay UE has a certain signaling processing capability and resource scheduling capability, and can generate its own transmission resource scheduling and the scheduling resource scheduling permission information of the remote UE.
  • the transmission resource is scheduled according to the channel quality indication and the buffer status obtained by the self-measurement, and the data is sent on the resource.
  • the relaying UE when the remote UE side sends a resource scheduling request, the relaying UE first provides a small amount of scheduling grant resources for the remote UE, and the remote UE reports BSR and other information to the relaying UE on the resource, and relays the UE. According to this information, a scheduling grant of the remote UE is generated and transmitted to the remote UE through the PSCCH channel, and the remote UE transmits data on the permitted resource.
  • the relay UE may perform dynamic scheduling of scheduling in each TTI (Transmission Time Interval), or may use semi-persistent scheduling longer than one TTI time period.
  • This scheme also requires establishing a connection for transmitting resource allocation information on the secondary link, such as establishing a new RRC connection, or multiplexing the current physical channel.
  • mode C can implement flexible resource configuration in different subframes and has strong anti-interference capability.
  • the mode A can establish a communication connection between the UEs quickly, and is suitable for the emergency communication scenario.
  • the resource configuration modes of the mode B and the mode C are flexible and have strong resistance.
  • the interference capability is applicable to a scenario where the sub-link channel conditions are complex, and the relay UE configuration is high, and the signaling processing capability is provided.
  • the present invention also proposes a mode D: a hybrid resource configuration scheme, which supports multiple resource configuration schemes at the same time, and can convert other schemes when the current scheme is not applicable, and the optional resource configuration scheme includes but is not limited to mode A. /B/C.
  • mode D a hybrid resource configuration scheme, which supports multiple resource configuration schemes at the same time, and can convert other schemes when the current scheme is not applicable
  • the optional resource configuration scheme includes but is not limited to mode A. /B/C.
  • mode D a hybrid resource configuration scheme, which supports multiple resource configuration schemes at the same time, and can convert other schemes when the current scheme is not applicable
  • the optional resource configuration scheme includes but is not limited to mode A. /B/C.
  • mode B/C when the waiting time is too long or the battery power is low, it can be converted to mode A by mode B/C; when the channel conditions are complicated or the interference is large (including interference between different D2D pairs/groups, intra-cell interference, cell)
  • the mode A can be converted to the mode B/C.
  • the foregoing technical solution enables the D2D communication resource allocation in the relay scenario to be supported, and the resource configuration manner can be changed according to different scenarios, and the special requirements of the D2D communication are adapted.
  • Fig. 7 is a block diagram showing the structure of a terminal in accordance with a first embodiment of the present invention.
  • the terminal may include at least one transceiver 503, at least one processor 501, such as a CPU, a memory 504, and at least one communication bus 502.
  • the communication bus 502 is configured to connect the transceiver 503, the processor 501, and the memory 504.
  • the above memory 504 may be a high speed RAM memory or a non-volatile memory such as a disk memory.
  • the memory 504 is further configured to store a set of program codes, and the transceiver 503 and the processor 501 are configured to call the program code stored in the memory 504, and perform the following operations:
  • a transmission resource for performing D2D communication is configured to the other terminal to enable the other terminal to perform D2D communication through the transmission resource.
  • the step of the processor 501 when determining that the relay function of the D2D communication needs to be provided for the other terminal, the step of configuring the transmission resource for performing the D2D communication to the other terminal, specifically includes:
  • the resource pool is sent to the other terminal, so that the other terminal selects the transmission resource from the resource pool.
  • the step of the processor 501 when determining that the relay function of the D2D communication needs to be provided for the other terminal, the step of configuring the transmission resource for performing the D2D communication to the other terminal, specifically includes:
  • the transceiver 503 When the transceiver 503 receives the resource allocation request sent by the other terminal, the resource pool is sent to the other terminal, so that the other terminal selects the transmission resource from the resource pool.
  • the historical channel quality indicator value and/or the buffer status report includes:
  • a channel quality indicator value and/or a buffer status report measured by the terminal a channel quality indicator value and/or a buffer status report reported by the other terminal.
  • the step of the processor 501 when determining that the relay function of the D2D communication needs to be provided for the other terminal, the step of configuring the transmission resource for performing the D2D communication to the other terminal, specifically includes:
  • the step of the processor 501 autonomously configuring a resource pool for performing D2D communication according to the recorded historical channel quality indicator value and/or the buffer status report further includes: detecting, by the processor 501, the other terminal The resource pool is reconfigured when the data transmission delay during the D2D communication is greater than or equal to the preset delay value, and/or the signal transmission quality is less than or equal to the preset quality value.
  • the processor 501 is configured to perform D2D communication to the other terminal when determining that a relay function of D2D communication needs to be provided for the other terminal.
  • the steps of transmitting resources specifically include:
  • the processor 501 is further configured to perform the following operations:
  • Transmitting resources of the terminal for performing D2D communication and transmission resources of the other terminal for performing D2D communication are reconfigured at each transmission time interval or every predetermined time interval, wherein the predetermined duration is greater than The transmission time interval.
  • the processor 501 is further configured to perform the following operations:
  • a transmission resource that performs D2D communication with the other terminal is selected in the resource pool.
  • the transmission resource includes: a time-frequency resource and a transmission mode.
  • the step of the processor 501 when determining that the relay function of the D2D communication needs to be provided for the other terminal, the step of configuring the transmission resource for performing the D2D communication to the other terminal, specifically includes:
  • a mode of configuring a transmission resource for performing D2D communication to the other terminal is set according to current state information of the terminal and/or a network condition in which the terminal is currently located.
  • the present invention proposes a new resource configuration scheme for D2D communication, which can fully utilize the sub-link connection of D2D communication and realize transmission resources to other terminals. Flexible configuration effectively solves the problem of resource allocation in D2D communication.

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Abstract

本发明提供了一种用于D2D通信的资源配置方法、装置和终端，其中，用于D2D通信的资源配置方法，包括：确定是否需要为其他终端提供D2D通信的中继功能；在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源，以使所述其他终端通过所述传输资源进行D2D通信。本发明的技术方案可以充分利用D2D通信的副链路连接，实现了对其他终端的传输资源的灵活配置，有效地解决了D2D通信中的资源分配问题。

Description

用于D2D通信的资源配置方法、装置和终端
本申请要求于2015年04月09日提交中国专利局、申请号201510166178.8，发明名称为“用于D2D通信的资源配置方法、装置和终端”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及通信技术领域，具体而言，涉及一种用于D2D通信的资源配置方法、一种用于D2D通信的资源配置装置和一种终端。
背景技术
终端直连通信技术(Device to Device，即D2D，是3GPP Rel-12引入的终端直接通信的技术，允许用户数据传输不经过蜂窝网络的基础设施)是指用户终端(UE)之间可以进行直接通信，而不需要经过基站(eNB)等设备的传输或转发，D2D通信可以部署在蜂窝网络的覆盖范围内和/或网络覆盖范围外。
UE-NW(UE-to-Network)中继是在D2D通信中引入的新特性，具有灵活部署的优点，能够在不增加现有网络设备的情况下扩大网络覆盖范围，在商用通信甚至公共安全通信(如地震、战争)领域有着重要应用。单播的UE-NW中继系统如图1所示，当终端106(即远端UE)处于基站102的网络覆盖范围外时，无法与基站102建立良好连接，但是却能够与临近的网络覆盖范围内的终端104(中继UE)建立良好的D2D通信，因此，终端106可以通过中继UE与基站或其他网络节点相连接。
目前，3GPP将D2D通信中UE之间的链路定义为副链路(Side link)，并且定义了以下两种资源分配方式：
方式一：在RRC连接状态下，UE向eNB请求传输资源，eNB根据UE的上报信息为UE调度资源，此种方式不需要资源池；
方式二：UE从资源池中自主地选择传输资源，此时需要预配置的资源池或eNB配置的资源池。
当UE处于网络覆盖范围内时，可以根据eNB配置采用上述两种方式中的任一种方式进行资源分配；并且在采用方式二时，资源池信息由eNB通过发送RRC信令来进行设置。
当UE处于网络覆盖范围外时，只能采用上述第二种资源分配方式，并使用预配置的资源池。
在UE-NW中继工作模式下，部分UE处于网络覆盖范围内，部分UE处于网络覆盖范围外，目前的D2D通信尚未对此给出专门的资源配置方法，如果依旧按照现有方式，远端UE使用预配置的资源池，中继UE使用eNB配置的资源池或由eNB进行调度，则没有充分利用D2D的副链路连接，存在对eNB资源配置能力的浪费，同时也没有考虑到某些中继UE可能胜任的资源配置能力。
发明内容
本发明正是基于上述技术问题至少之一，提出了一种新的用于D2D通信的资源配置方案，可以充分利用D2D通信的副链路连接，实现了对其他终端的传输资源的灵活配置，有效地解决了D2D通信中的资源分配问题。
有鉴于此，本发明提出了一种适用于终端的用于D2D通信的资源配置方法，包括：确定是否需要为其他终端提供D2D通信的中继功能；在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源，以使所述其他终端通过所述传输资源进行D2D通信。
在该技术方案中，终端通过在确定需要为其他终端提供D2D通信的中继功能时，向其他终端配置用于进行D2D通信的传输资源，使得在其他终端未处于基站的覆盖范围内时，能够通过作为中继UE的终端实现传输资源的配置，充分利用了D2D通信的副链路连接，实现了对其他终端的传输资源的灵活配置，有效地解决了D2D通信中的资源分配问题。
其中，上述技术方案中向所述其他终端配置所述传输资源的步骤具体包括以下几种方式：
方式一：
获取基站分配的资源池；
广播所述资源池，以供所述其他终端从所述资源池中选择所述传输资源；或在接收到所述其他终端发送的资源分配请求时，将所述资源池发送至所述其他终端，以供所述其他终端从所述资源池选择所述传输资源。
在该技术方案中，作为中继UE的终端可以获取基站分配的资源池，并将获取到的资源池广播至其他终端，以由其他终端从接收到的资源池中选择传输资源；另外，也可以不广播获取到的资源池，而是在接收到其他终端发送的资源分配请求时，再将获取到的资源池传输至其他终端。
方式二：
根据记录的历史信道质量指示值和/或缓冲区状态报告，自主配置用于进行D2D通信的资源池；
广播所述资源池，以供所述其他终端从所述资源池中选择所述传输资源；或在接收到所述其他终端发送的资源分配请求时，将所述资源池发送至所述其他终端，以供所述其他终端从所述资源池选择所述传输资源。
在该技术方案中，信道质量指示值表示D2D通信之间的通信质量，缓冲区状态报告表示D2D通信待传输的数据量，因此作为中继UE的终端可以根据记录的历史信道质量指示值和缓冲区状态报告，主动配置用于进行D2D通信的资源池，使得终端自主配置的资源池能够更便于进行D2D通信。其中，在资源池配置完成之后，同样可以广播配置的资源池，或者在接收到其他终端发送的资源分配请求时再将配置的资源池发送至其他终端。
在上述技术方案中，优选地，所述历史信道质量指示值和/或所述缓冲区状态报告包括：所述终端测量的信道质量指示值和/或缓冲区状态报告，以及所述其他终端上报的信道质量指示值和/或缓冲区状态报告。
在上述技术方案中，优选地，还包括：检测与所述其他终端进行D2D通信过程中的数据传输时延和信号传输质量；若与所述其他终端进行D2D通信过程中的数据传输时延大于或等于预设时延值，和/或所述信号传输质量小于或等于预设质量值，则重新配置所述资源池。
在该技术方案中，通过在检测到与其他终端进行D2D通信过程中的数据传输时延大于或等于预设时延值，和/或信号传输质量小于或等于预设质 量值时，重新配置资源池，使得能够在D2D通信质量较差时，及时更新资源池内的传输资源，以保证终端之间的D2D通信质量。
方式三：
测量所述终端当前的信道质量指示值和/或当前的缓冲区状态；
根据所述终端当前的历史信道质量指示值和/或所述当前的缓冲区状态，配置所述终端用于进行D2D通信的传输资源；
在接收到其他终端发送的资源配置请求时，向所述其他终端分配用于上报所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告的传输资源，以供所述其他终端发送所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告；
根据所述其他终端发送的所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告，向所述其他终端配置用于进行D2D通信的传输资源。
在该技术方案中，通过根据终端当前的信道质量指示值和/或当前的缓冲区状态来配置终端进行D2D通信的传输资源，并根据其他终端的当前信道质量指示值和/或当前缓冲区状态报告向其他终端配置进行D2D通信的传输资源，使得能够实时对用于D2D通信的传输资源进行合理配置，以确保终端之间的D2D通信具有较高的通信质量。
在上述技术方案中，优选地，还包括：在每个传输时间间隔或每经过预定时长，均再次配置所述终端的用于进行D2D通信的传输资源和所述其他终端的用于进行D2D通信的传输资源，其中，所述预定时长大于所述传输时间间隔。
在该技术方案中，为了确保D2D通信一直具有较高的通信质量，可以在每个时间间隔内均再次配置用于进行D2D通信的传输资源；当然，也可以每间隔较长的一段时间后再重新配置。
在上述技术方案中，优选地，还包括：从所述资源池中选择与所述其他终端进行D2D通信的传输资源。
在上述技术方案中，优选地，所述传输资源包括：时频资源和传输方式。
在上述技术方案中，优选地，还包括：根据所述终端的当前状态信息 和/或所述终端当前所处的网络条件，设定向所述其他终端配置用于进行D2D通信的传输资源的模式。具体地，上述的三种资源配置方式可以单独使用，也可以根据终端的当前状态信息和/或终端当前所处的网络条件灵活地进行切换、组合。其中，终端的当前状态信息包括：终端等待资源配置的时间、终端的电池电量等；终端当前所处的网络条件包括：D2D通信的信道质量、干扰大小等。
根据本发明的另一方面，还提出了一种适用于终端的用于D2D通信的资源配置装置，包括：确定单元，用于确定是否需要为其他终端提供D2D通信的中继功能；配置单元，用于在所述确定单元确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源，以使所述其他终端通过所述传输资源进行D2D通信。
在该技术方案中，终端通过在确定需要为其他终端提供D2D通信的中继功能时，向其他终端配置用于进行D2D通信的传输资源，使得在其他终端未处于基站的覆盖范围内时，能够通过作为中继UE的终端实现传输资源的配置，充分利用了D2D通信的副链路连接，实现了对其他终端的传输资源的灵活配置，有效地解决了D2D通信中的资源分配问题。
其中，配置单元向所述其他终端配置所述传输资源的方式具体包括以下几种：
方式一：
所述配置单元包括：
获取单元，用于获取基站分配的资源池；
第一广播单元，用于广播所述资源池，以供所述其他终端从所述资源池中选择所述传输资源；或
第一交互单元，用于在接收到所述其他终端发送的资源分配请求时，将所述资源池发送至所述其他终端，以供所述其他终端从所述资源池选择所述传输资源。
在该技术方案中，作为中继UE的终端可以获取基站分配的资源池，并将获取到的资源池广播至其他终端，以由其他终端从接收到的资源池中选择传输资源；另外，也可以不广播获取到的资源池，而是在接收到其他 终端发送的资源分配请求时，再将获取到的资源池传输至其他终端。
方式二：
所述配置单元包括：
第一处理单元，用于根据记录的历史信道质量指示值和/或缓冲区状态报告，自主配置用于进行D2D通信的资源池；
第二广播单元，用于广播所述资源池，以供所述其他终端从所述资源池中选择所述传输资源；或
第二交互单元，用于在接收到所述其他终端发送的资源分配请求时，将所述资源池发送至所述其他终端，以供所述其他终端从所述资源池选择所述传输资源。
在该技术方案中，信道质量指示值表示D2D通信之间的通信质量，缓冲区状态报告表示D2D通信待传输的数据量，因此作为中继UE的终端可以根据记录的历史信道质量指示值和缓冲区状态报告，主动配置用于进行D2D通信的资源池，使得终端自主配置的资源池能够更便于进行D2D通信。其中，在资源池配置完成之后，同样可以广播配置的资源池，或者在接收到其他终端发送的资源分配请求时再将配置的资源池发送至其他终端。
在上述技术方案中，优选地，所述历史信道质量指示值和/或所述缓冲区状态报告包括：所述终端测量的信道质量指示值和/或缓冲区状态报告，以及所述其他终端上报的信道质量指示值和/或缓冲区状态报告。
在上述技术方案中，优选地，所述配置单元还包括：检测单元，用于检测与所述其他终端进行D2D通信过程中的数据传输时延和信号传输质量；所述第一处理单元还用于，在所述检测单元检测到与所述其他终端进行D2D通信过程中的数据传输时延大于或等于预设时延值，和/或所述信号传输质量小于或等于预设质量值时，重新配置所述资源池。
在该技术方案中，通过在检测到与其他终端进行D2D通信过程中的数据传输时延大于或等于预设时延值，和/或信号传输质量小于或等于预设质量值时，重新配置资源池，使得能够在D2D通信质量较差时，及时更新资源池内的传输资源，以保证终端之间的D2D通信质量。
方式三：
所述配置单元包括：测量单元，用于测量所述终端当前的信道质量指示值和/或当前的缓冲区状态；
第二处理单元，用于根据所述终端当前的历史信道质量指示值和/或所述当前的缓冲区状态，配置所述终端用于进行D2D通信的传输资源，并用于在接收到其他终端发送的资源配置请求时，向所述其他终端分配用于上报所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告的传输资源，以供所述其他终端发送所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告，以及
所述第二处理单元还用于根据所述其他终端发送的所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告，向所述其他终端配置用于进行D2D通信的传输资源。
在该技术方案中，通过根据终端当前的信道质量指示值和/或当前的缓冲区状态来配置终端进行D2D通信的传输资源，并根据其他终端的当前信道质量指示值和/或当前缓冲区状态报告向其他终端配置进行D2D通信的传输资源，使得能够实时对用于D2D通信的传输资源进行合理配置，以确保终端之间的D2D通信具有较高的通信质量。
在上述技术方案中，优选地，所述第二处理单元还用于：在每个传输时间间隔或每经过预定时长，均再次配置所述终端的用于进行D2D通信的传输资源和所述其他终端的用于进行D2D通信的传输资源，其中，所述预定时长大于所述传输时间间隔。
在该技术方案中，为了确保D2D通信一直具有较高的通信质量，可以在每个时间间隔内均再次配置用于进行D2D通信的传输资源；当然，也可以每间隔较长的一段时间后再重新配置。
在上述技术方案中，优选地，还包括：选择单元，用于从所述资源池中选择与所述其他终端进行D2D通信的传输资源。
在上述技术方案中，优选地，所述传输资源包括：时频资源和传输方式。
在上述技术方案中，优选地，所述配置单元还用于：根据所述终端的当前状态信息和/或所述终端当前所处的网络条件，设定向所述其他终端配 置用于进行D2D通信的传输资源的模式。具体地，上述的三种资源配置方式可以单独使用，也可以根据终端的当前状态信息和/或终端当前所处的网络条件灵活地进行切换、组合。其中，终端的当前状态信息包括：终端等待资源配置的时间、终端的电池电量等；终端当前所处的网络条件包括：D2D通信的信道质量、干扰大小等。
根据本发明的又一方面，还提出了一种终端，包括：通信总线、收发装置、存储器以及处理器，其中：
所述通信总线，用于实现所述收发装置、所述存储器以及所述处理器之间的连接通信；
所述存储器中存储一组程序代码，且处理器调用存储器中存储的程序代码，用于执行以下操作：
确定是否需要为其他终端提供D2D通信的中继功能；
在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源，以使所述其他终端通过所述传输资源进行D2D通信。
在上述技术方案中，优选地，所述处理器在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源的步骤具体包括：
获取基站分配的资源池；
控制收发装置广播所述资源池，以供所述其他终端从所述资源池中选择所述传输资源；或
在通过收发装置接收到所述其他终端发送的资源分配请求时，将所述资源池发送至所述其他终端，以供所述其他终端从所述资源池选择所述传输资源。
在上述技术方案中，优选地，所述处理器在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源的步骤具体包括：
根据记录的历史信道质量指示值和/或缓冲区状态报告，自主配置用于进行D2D通信的资源池；
控制收发装置广播所述资源池，以供所述其他终端从所述资源池中选择所述传输资源；或
在收发装置接收到所述其他终端发送的资源分配请求时，将所述资源池发送至所述其他终端，以供所述其他终端从所述资源池选择所述传输资源。
在上述技术方案中，优选地，所述历史信道质量指示值和/或所述缓冲区状态报告包括：
所述终端测量的信道质量指示值和/或缓冲区状态报告，以及所述其他终端上报的信道质量指示值和/或缓冲区状态报告。
在上述技术方案中，优选地，所述处理器在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源的步骤具体包括：
检测与所述其他终端进行D2D通信过程中的数据传输时延和信号传输质量；
所述处理器根据记录的历史信道质量指示值和/或缓冲区状态报告，自主配置用于进行D2D通信的资源池的步骤具体还包括，在所述处理器检测到与所述其他终端进行D2D通信过程中的数据传输时延大于或等于预设时延值，和/或所述信号传输质量小于或等于预设质量值时，重新配置所述资源池。
在上述技术方案中，优选地，所述处理器在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源的步骤具体包括：
测量所述终端当前的信道质量指示值和/或当前的缓冲区状态；
根据所述终端当前的历史信道质量指示值和/或所述当前的缓冲区状态，配置所述终端用于进行D2D通信的传输资源，并在收发装置接收到其他终端发送的资源配置请求时，向所述其他终端分配用于上报所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告的传输资源，以供所述其他终端发送所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告，以及
根据所述其他终端发送的所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告，向所述其他终端配置用于进行D2D通信的传输资源。
在上述技术方案中，优选地，所述处理器还用于执行以下操作：
在每个传输时间间隔或每经过预定时长，均再次配置所述终端的用于进行D2D通信的传输资源和所述其他终端的用于进行D2D通信的传输资源，其中，所述预定时长大于所述传输时间间隔。
在上述技术方案中，优选地，所述处理器还用于执行以下操作：
所述资源池中选择与所述其他终端进行D2D通信的传输资源。
在上述技术方案中，优选地，所述传输资源包括：时频资源和传输方式。
在上述技术方案中，优选地，所述处理器在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源的步骤具体包括：
根据所述终端的当前状态信息和/或所述终端当前所处的网络条件，设定向所述其他终端配置用于进行D2D通信的传输资源的模式。
通过以上技术方案，可以充分利用D2D通信的副链路连接，实现了对其他终端的传输资源的灵活配置，有效地解决了D2D通信中的资源分配问题。
附图说明
图1示出了D2D通信中UE-NW中继的系统结构示意图；
图2示出了根据本发明的实施例的适用于终端的用于D2D通信的资源配置方法的示意流程图；
图3示出了根据本发明的实施例的适用于终端的用于D2D通信的资源配置装置的示意框图；
图4A示出了根据本发明的第一个实施例的资源配置方式的流程示意图；
图4B示出了根据本发明的第二个实施例的资源配置方式的流程示意图；
图5A示出了根据本发明的第三个实施例的资源配置方式的流程示意图；
图5B示出了根据本发明的第四个实施例的资源配置方式的流程示意图；
图6A示出了根据本发明的第五个实施例的资源配置方式的流程示意图；
图6B示出了根据本发明的第六个实施例的资源配置方式的流程示意图。
图7示出了根据本发明的第一个实施例的终端的结构示意图。
具体实施方式
为了能够更清楚地理解本发明的上述目的、特征和优点，下面结合附图和具体实施方式对本发明进行进一步的详细描述。需要说明的是，在不冲突的情况下，本申请的实施例及实施例中的特征可以相互组合。
在下面的描述中阐述了很多具体细节以便于充分理解本发明，但是，本发明还可以采用其他不同于在此描述的其他方式来实施，因此，本发明的保护范围并不受下面公开的具体实施例的限制。
图2示出了根据本发明的实施例的适用于终端的用于D2D通信的资源配置方法的示意流程图。
如图2所示，根据本发明的实施例的适用于终端的用于D2D通信的资源配置方法，包括：步骤202，确定是否需要为其他终端提供D2D通信的中继功能；步骤204，在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源，以使所述其他终端通过所述传输资源进行D2D通信。
在该技术方案中，终端通过在确定需要为其他终端提供D2D通信的中继功能时，向其他终端配置用于进行D2D通信的传输资源，使得在其他终端未处于基站的覆盖范围内时，能够通过作为中继UE的终端实现传输资源的配置，充分利用了D2D通信的副链路连接，实现了对其他终端的传输资源的灵活配置，有效地解决了D2D通信中的资源分配问题。
其中，上述技术方案中向所述其他终端配置所述传输资源的步骤具体包括以下几种方式：
方式一：
获取基站分配的资源池；
广播所述资源池，以供所述其他终端从所述资源池中选择所述传输资源；或在接收到所述其他终端发送的资源分配请求时，将所述资源池发送至所述其他终端，以供所述其他终端从所述资源池选择所述传输资源。
在该技术方案中，作为中继UE的终端可以获取基站分配的资源池，并将获取到的资源池广播至其他终端，以由其他终端从接收到的资源池中选择传输资源；另外，也可以不广播获取到的资源池，而是在接收到其他终端发送的资源分配请求时，再将获取到的资源池传输至其他终端。
方式二：
根据记录的历史信道质量指示值和/或缓冲区状态报告，自主配置用于进行D2D通信的资源池；
广播所述资源池，以供所述其他终端从所述资源池中选择所述传输资源；或在接收到所述其他终端发送的资源分配请求时，将所述资源池发送至所述其他终端，以供所述其他终端从所述资源池选择所述传输资源。
在该技术方案中，信道质量指示值表示D2D通信之间的通信质量，缓冲区状态报告表示D2D通信待传输的数据量，因此作为中继UE的终端可以根据记录的历史信道质量指示值和缓冲区状态报告，主动配置用于进行D2D通信的资源池，使得终端自主配置的资源池能够更便于进行D2D通信。其中，在资源池配置完成之后，同样可以广播配置的资源池，或者在接收到其他终端发送的资源分配请求时再将配置的资源池发送至其他终端。
在上述技术方案中，优选地，所述历史信道质量指示值和/或所述缓冲区状态报告包括：所述终端测量的信道质量指示值和/或缓冲区状态报告，以及所述其他终端上报的信道质量指示值和/或缓冲区状态报告。
在上述技术方案中，优选地，还包括：检测与所述其他终端进行D2D通信过程中的数据传输时延和信号传输质量；若与所述其他终端进行D2D通信过程中的数据传输时延大于或等于预设时延值，和/或所述信号传输质 量小于或等于预设质量值，则重新配置所述资源池。
在该技术方案中，通过在检测到与其他终端进行D2D通信过程中的数据传输时延大于或等于预设时延值，和/或信号传输质量小于或等于预设质量值时，重新配置资源池，使得能够在D2D通信质量较差时，及时更新资源池内的传输资源，以保证终端之间的D2D通信质量。
方式三：
测量所述终端当前的信道质量指示值和/或当前的缓冲区状态；
根据所述终端当前的历史信道质量指示值和/或所述当前的缓冲区状态，配置所述终端用于进行D2D通信的传输资源；
在接收到其他终端发送的资源配置请求时，向所述其他终端分配用于上报所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告的传输资源，以供所述其他终端发送所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告；
根据所述其他终端发送的所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告，向所述其他终端配置用于进行D2D通信的传输资源。
在该技术方案中，通过根据终端当前的信道质量指示值和/或当前的缓冲区状态来配置终端进行D2D通信的传输资源，并根据其他终端的当前信道质量指示值和/或当前缓冲区状态报告向其他终端配置进行D2D通信的传输资源，使得能够实时对用于D2D通信的传输资源进行合理配置，以确保终端之间的D2D通信具有较高的通信质量。
在上述技术方案中，优选地，还包括：在每个传输时间间隔或每经过预定时长，均再次配置所述终端的用于进行D2D通信的传输资源和所述其他终端的用于进行D2D通信的传输资源，其中，所述预定时长大于所述传输时间间隔。
在该技术方案中，为了确保D2D通信一直具有较高的通信质量，可以在每个时间间隔内均再次配置用于进行D2D通信的传输资源；当然，也可以每间隔较长的一段时间后再重新配置。
在上述技术方案中，优选地，还包括：从所述资源池中选择与所述其他终端进行D2D通信的传输资源。
在上述技术方案中，优选地，所述传输资源包括：时频资源和传输方式。
在上述技术方案中，优选地，还包括：根据所述终端的当前状态信息和/或所述终端当前所处的网络条件，设定向所述其他终端配置用于进行D2D通信的传输资源的模式。具体地，上述的三种资源配置方式可以单独使用，也可以根据终端的当前状态信息和/或终端当前所处的网络条件灵活地进行切换、组合。其中，终端的当前状态信息包括：终端等待资源配置的时间、终端的电池电量等；终端当前所处的网络条件包括：D2D通信的信道质量、干扰大小等。
图3示出了根据本发明的实施例的适用于终端的用于D2D通信的资源配置装置的示意框图。
如图3所述，根据本发明的实施例的适用于终端的用于D2D通信的资源配置装置300，包括：确定单元302和配置单元304。
其中，确定单元302，用于确定是否需要为其他终端提供D2D通信的中继功能；配置单元304，用于在所述确定单元302确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源，以使所述其他终端通过所述传输资源进行D2D通信。
在该技术方案中，终端通过在确定需要为其他终端提供D2D通信的中继功能时，向其他终端配置用于进行D2D通信的传输资源，使得在其他终端未处于基站的覆盖范围内时，能够通过作为中继UE的终端实现传输资源的配置，充分利用了D2D通信的副链路连接，实现了对其他终端的传输资源的灵活配置，有效地解决了D2D通信中的资源分配问题。
其中，配置单元304向所述其他终端配置所述传输资源的方式具体包括以下几种：
方式一：
所述配置单元304包括：
获取单元304A，用于获取基站分配的资源池；
第一广播单元304B，用于广播所述资源池，以供所述其他终端从所述资源池中选择所述传输资源；或
第一交互单元304C，用于在接收到所述其他终端发送的资源分配请求时，将所述资源池发送至所述其他终端，以供所述其他终端从所述资源池选择所述传输资源。
在该技术方案中，作为中继UE的终端可以获取基站分配的资源池，并将获取到的资源池广播至其他终端，以由其他终端从接收到的资源池中选择传输资源；另外，也可以不广播获取到的资源池，而是在接收到其他终端发送的资源分配请求时，再将获取到的资源池传输至其他终端。
方式二：
所述配置单元304包括：
第一处理单元304D，用于根据记录的历史信道质量指示值和/或缓冲区状态报告，自主配置用于进行D2D通信的资源池；
第二广播单元304E，用于广播所述资源池，以供所述其他终端从所述资源池中选择所述传输资源；或
第二交互单元304F，用于在接收到所述其他终端发送的资源分配请求时，将所述资源池发送至所述其他终端，以供所述其他终端从所述资源池选择所述传输资源。
在该技术方案中，信道质量指示值表示D2D通信之间的通信质量，缓冲区状态报告表示D2D通信待传输的数据量，因此作为中继UE的终端可以根据记录的历史信道质量指示值和缓冲区状态报告，主动配置用于进行D2D通信的资源池，使得终端自主配置的资源池能够更便于进行D2D通信。其中，在资源池配置完成之后，同样可以广播配置的资源池，或者在接收到其他终端发送的资源分配请求时再将配置的资源池发送至其他终端。
在上述技术方案中，优选地，所述历史信道质量指示值和/或所述缓冲区状态报告包括：所述终端测量的信道质量指示值和/或缓冲区状态报告，以及所述其他终端上报的信道质量指示值和/或缓冲区状态报告。
在上述技术方案中，优选地，所述配置单元304还包括：检测单元304G，用于检测与所述其他终端进行D2D通信过程中的数据传输时延和信号传输质量；所述第一处理单元304D还用于，在所述检测单元304G检测到与所述其他终端进行D2D通信过程中的数据传输时延大于或等于预设时延值， 和/或所述信号传输质量小于或等于预设质量值时，重新配置所述资源池。
在该技术方案中，通过在检测到与其他终端进行D2D通信过程中的数据传输时延大于或等于预设时延值，和/或信号传输质量小于或等于预设质量值时，重新配置资源池，使得能够在D2D通信质量较差时，及时更新资源池内的传输资源，以保证终端之间的D2D通信质量。
方式三：
所述配置单元304包括：测量单元304H，用于测量所述终端当前的信道质量指示值和/或当前的缓冲区状态；
第二处理单元304I，用于根据所述终端当前的历史信道质量指示值和/或所述当前的缓冲区状态，配置所述终端用于进行D2D通信的传输资源，并用于在接收到其他终端发送的资源配置请求时，向所述其他终端分配用于上报所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告的传输资源，以供所述其他终端发送所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告，以及
所述第二处理单元304I还用于根据所述其他终端发送的所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告，向所述其他终端配置用于进行D2D通信的传输资源。
在该技术方案中，通过根据终端当前的信道质量指示值和/或当前的缓冲区状态来配置终端进行D2D通信的传输资源，并根据其他终端的当前信道质量指示值和/或当前缓冲区状态报告向其他终端配置进行D2D通信的传输资源，使得能够实时对用于D2D通信的传输资源进行合理配置，以确保终端之间的D2D通信具有较高的通信质量。
在上述技术方案中，优选地，所述第二处理单元304I还用于：在每个传输时间间隔或每经过预定时长，均再次配置所述终端的用于进行D2D通信的传输资源和所述其他终端的用于进行D2D通信的传输资源，其中，所述预定时长大于所述传输时间间隔。
在该技术方案中，为了确保D2D通信一直具有较高的通信质量，可以在每个时间间隔内均再次配置用于进行D2D通信的传输资源；当然，也可以每间隔较长的一段时间后再重新配置。
在上述技术方案中，优选地，还包括：选择单元306，用于从所述资源池中选择与所述其他终端进行D2D通信的传输资源。
在上述技术方案中，优选地，所述传输资源包括：时频资源和传输方式。
在上述技术方案中，优选地，所述配置单元304还用于：根据所述终端的当前状态信息和/或所述终端当前所处的网络条件，设定向所述其他终端配置用于进行D2D通信的传输资源的模式。具体地，上述的三种资源配置方式可以单独使用，也可以根据终端的当前状态信息和/或终端当前所处的网络条件灵活地进行切换、组合。其中，终端的当前状态信息包括：终端等待资源配置的时间、终端的电池电量等；终端当前所处的网络条件包括：D2D通信的信道质量、干扰大小等。
本发明还提出了一种终端(图中未示出)，包括：如图3所示的用于D2D通信的资源配置装置300。
以下结合图4A至图6B详细说明本发明的技术方案。
本发明的主要发明内容如下：
中继UE(如图1中的104)能够承受信令处理算法的复杂度，具备资源池配置和/或资源调度能力，可以为自己和远端UE(如图1中的106)配置资源池，或者直接为自己和远端UE调度传输资源。
考虑到中继UE的处理能力的不同，本发明提出了以下几种资源配置方式：
方式A：中继UE使用预配置的资源池，并通过广播或转发的方式对远端UE共享，资源池信息应包括时频资源、传输方式等。
方式B：中继UE使用自己配置的资源池，并通过广播或转发的方式对远端UE共享，资源池信息应包括时频资源、传输方式等。
方式C：中继UE直接为自己和远端UE调度传输资源，根据调度时间间隔的不同，有动态调度和半静态调度(Semi-Persistent Scheduling，SPS)两种方式。
其中，为了支持上述三种资源配置方式，可以在副链路建立新的RRC连接，或者复用现有的物理信道，如使用PSBCH来传输资源配置的信息。 同时，上述三种资源配置方式需要在中继UE和远端UE之间传输信令无线承载(SRB)。
此外，还可以采用方式D：混合的资源分配方式。具体地，上述三种资源分配方式都有其自身适用的场合，当信道条件发生变化或用户需求改变致使当前方式不适用时，可考虑转换至其他的资源分配方式。
以下详细介绍上述的几种资源分配方式：
方式A：
中继UE使用预配置的资源池，远端UE共享该资源池，资源池信息应包括时频资源、传输方式等，当需要发送数据时，中继UE和远端UE都从资源池中自主地选择传输资源。
其中，预配置资源池信息的共享可以采用如图4A所示的方式，即通过中继UE广播来实现，也可以采用如图4B所示的方式，即远端UE发送共享资源池的请求，中继UE接受请求并转发资源池信息。
方式A的技术方案需要在副链路建立传输资源分配信息的连接，例如建立新的RRC连接，或者复用当前的物理信道，如PSBCH等。
此种方法避免了资源池配置过程，降低了对中继UE资源配置能力的要求。
方式B：
在方式B的技术方案中，中继UE需要具备一定的信令处理和资源配置能力，能够为自己配置资源池，并对远端UE共享，资源池信息应包括时频资源、传输方式等，当需要发送数据时，中继UE和远端UE都从该资源池中自主地选择传输资源。
具体地，如图5A，当中继UE产生周期/触发性资源池请求时，中继UE可以根据过去一段时间的统计信息(如中继UE测量或远端UE反馈的CQI(Channel Quality Indicator，信道质量指示)、BSR(Buffer Status Reports，缓存区状态报告)等信息)为自己配置资源池，之后向远端UE广播该资源池信息。
也可以如图5B所示，中继UE配置资源池后，若接收到远端UE发送的资源配置请求，则中继UE接受请求并转发资源池信息。
类似地，方式B的技术方案需要在副链路建立传输资源分配信息的连接，例如建立新的RRC连接，或者复用当前的物理信道。
方式B的资源配置方式中，中继UE接受非周期性信号触发具体是指，在中继UE检测到当前D2D通信的时延较大、以及当前测得的SINR(Signal to Interference plus Noise Ratio，信道与干扰加噪声比)、RSRQ(Reference Signal Receiving Quality，参考信号接收质量)较低时，可以触发中继UE重新配置资源池。
方式B的技术方案的优点是资源配置灵活，能够根据近期较长一段时间测量的CQI、BSR等信息选择性能较优的时频资源和传输方式，抗干扰能力较强。
方式C：
在方式C的技术方案中，中继UE具备一定的信令处理能力和资源调度能力，能够产生自己的发送资源调度，以及远端UE的发送资源调度准许(Scheduling Grant)信息。
其中，优选地，如图6A所示，中继UE需要进行资源调度时，根据自身测量得到的信道质量指示和缓冲区状态等信息来调度传输资源，并在此资源上发送数据。
如图6B所示，远端UE侧发送资源调度请求时，中继UE首先为远端UE提供少量的调度准许资源，远端UE在此资源上向中继UE上报BSR等信息，中继UE根据此信息产生远端UE的调度准许并通过PSCCH信道传输给远端UE，进而远端UE在准许资源上发送数据。
在方式C的技术方案中，中继UE可以在每个TTI(Transmission Time Interval，传输时间间隔)都进行调度的动态调度，也可以使用长于一个TTI时间段的半静态调度。此方案同样需要在副链路建立传输资源分配信息的连接，例如建立新的RRC连接，或者复用当前的物理信道。
方式C的技术方案能够在不同子帧实现灵活的资源配置，抗干扰能力较强。
对比以上三种方式，方式A能够在UE间较快速地建立通信连接，适用于紧急通信场景；方式B和方式C的资源配置方式灵活，具备较强的抗 干扰能力，适用于副链路信道条件复杂，且中继UE配置较高，具备一定的信令处理能力的场景。
此外，本发明还提出了方式D：混合的资源配置方案，此方案同时支持多种资源配置方案，在当前方案不适用时可转换其他方案，其可选的资源配置方案包括但不限于方式A/B/C。例如，当等待时间过长或电池电量较低时，可以由方式B/C转换为方式A；当信道条件复杂或者干扰较大(包括不同D2D对/组之间的干扰、小区内干扰、小区间干扰)造成通信质量下降时，可以由方式A转换为方式B/C。
上述技术方案使得能够支持中继场景下的D2D通信资源分配，并可以根据不同的场景来改变资源配置的方式，适应了D2D通信的特殊要求。
图7示出了根据本发明的第一个实施例的终端的结构示意图。如图7所示，所述终端可以包括：至少一个收发装置503，至少一个处理器501，例如CPU，存储器504和至少一个通信总线502。
其中，上述通信总线502用于连接上述收发装置503、处理器501和存储器504。
上述存储器504可以是高速RAM存储器，也可为非不稳定的存储器(non-volatile memory)，例如磁盘存储器。上述存储器504还用于存储一组程序代码，上述收发装置503和处理器501用于调用存储器504中存储的程序代码，执行如下操作：
确定是否需要为其他终端提供D2D通信的中继功能；
在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源，以使所述其他终端通过所述传输资源进行D2D通信。
在上述技术方案中，优选地，所述处理器501在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源的步骤具体包括：
获取基站分配的资源池；
控制收发装置503广播所述资源池，以供所述其他终端从所述资源池中选择所述传输资源；或
在通过收发装置503接收到所述其他终端发送的资源分配请求时，将所述资源池发送至所述其他终端，以供所述其他终端从所述资源池选择所述传输资源。
在上述技术方案中，优选地，所述处理器501在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源的步骤具体包括：
根据记录的历史信道质量指示值和/或缓冲区状态报告，自主配置用于进行D2D通信的资源池；
控制收发装置503广播所述资源池，以供所述其他终端从所述资源池中选择所述传输资源；或
在收发装置503接收到所述其他终端发送的资源分配请求时，将所述资源池发送至所述其他终端，以供所述其他终端从所述资源池选择所述传输资源。
在上述技术方案中，优选地，所述历史信道质量指示值和/或所述缓冲区状态报告包括：
所述终端测量的信道质量指示值和/或缓冲区状态报告，以及所述其他终端上报的信道质量指示值和/或缓冲区状态报告。
在上述技术方案中，优选地，所述处理器501在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源的步骤具体包括：
检测与所述其他终端进行D2D通信过程中的数据传输时延和信号传输质量；
所述处理器501根据记录的历史信道质量指示值和/或缓冲区状态报告，自主配置用于进行D2D通信的资源池的步骤具体还包括，在所述处理器501检测到与所述其他终端进行D2D通信过程中的数据传输时延大于或等于预设时延值，和/或所述信号传输质量小于或等于预设质量值时，重新配置所述资源池。
在上述技术方案中，优选地，所述处理器501在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信 的传输资源的步骤具体包括：
测量所述终端当前的信道质量指示值和/或当前的缓冲区状态；
根据所述终端当前的历史信道质量指示值和/或所述当前的缓冲区状态，配置所述终端用于进行D2D通信的传输资源，并在收发装置503接收到其他终端发送的资源配置请求时，向所述其他终端分配用于上报所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告的传输资源，以供所述其他终端发送所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告，以及
根据所述其他终端发送的所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告，向所述其他终端配置用于进行D2D通信的传输资源。
在上述技术方案中，优选地，所述处理器501还用于执行以下操作：
在每个传输时间间隔或每经过预定时长，均再次配置所述终端的用于进行D2D通信的传输资源和所述其他终端的用于进行D2D通信的传输资源，其中，所述预定时长大于所述传输时间间隔。
在上述技术方案中，优选地，所述处理器501还用于执行以下操作：
所述资源池中选择与所述其他终端进行D2D通信的传输资源。
在上述技术方案中，优选地，所述传输资源包括：时频资源和传输方式。
在上述技术方案中，优选地，所述处理器501在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源的步骤具体包括：
根据所述终端的当前状态信息和/或所述终端当前所处的网络条件，设定向所述其他终端配置用于进行D2D通信的传输资源的模式。
以上结合附图详细说明了本发明的技术方案，本发明提出了一种新的用于D2D通信的资源配置方案，可以充分利用D2D通信的副链路连接，实现了对其他终端的传输资源的灵活配置，有效地解决了D2D通信中的资源分配问题。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明 的保护范围之内。

Claims (30)

  1. 一种用于D2D通信的资源配置方法，适用于终端，其特征在于，包括：
    确定是否需要为其他终端提供D2D通信的中继功能；
    在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源，以使所述其他终端通过所述传输资源进行D2D通信。
  2. 根据权利要求1所述的用于D2D通信的资源配置方法，其特征在于，向所述其他终端配置所述传输资源的步骤具体包括：
    获取基站分配的资源池；
    广播所述资源池，以供所述其他终端从所述资源池中选择所述传输资源；或
    在接收到所述其他终端发送的资源分配请求时，将所述资源池发送至所述其他终端，以供所述其他终端从所述资源池选择所述传输资源。
  3. 根据权利要求1所述的用于D2D通信的资源配置方法，其特征在于，向所述其他终端配置所述传输资源的步骤具体包括：
    根据记录的历史信道质量指示值和/或缓冲区状态报告，自主配置用于进行D2D通信的资源池；
    广播所述资源池，以供所述其他终端从所述资源池中选择所述传输资源；或
    在接收到所述其他终端发送的资源分配请求时，将所述资源池发送至所述其他终端，以供所述其他终端从所述资源池选择所述传输资源。
  4. 根据权利要求3所述的用于D2D通信的资源配置方法，其特征在于，所述历史信道质量指示值和/或所述缓冲区状态报告包括：
    所述终端测量的信道质量指示值和/或缓冲区状态报告，以及所述其他终端上报的信道质量指示值和/或缓冲区状态报告。
  5. 根据权利要求3所述的用于D2D通信的资源配置方法，其特征在 于，还包括：
    检测与所述其他终端进行D2D通信过程中的数据传输时延和信号传输质量；
    若与所述其他终端进行D2D通信过程中的数据传输时延大于或等于预设时延值，和/或所述信号传输质量小于或等于预设质量值，则重新配置所述资源池。
  6. 根据权利要求1所述的用于D2D通信的资源配置方法，其特征在于，向所述其他终端配置所述传输资源的步骤具体包括：
    测量所述终端当前的信道质量指示值和/或当前的缓冲区状态；
    根据所述终端当前的历史信道质量指示值和/或所述当前的缓冲区状态，配置所述终端用于进行D2D通信的传输资源；
    在接收到其他终端发送的资源配置请求时，向所述其他终端分配用于上报所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告的传输资源，以供所述其他终端发送所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告；
    根据所述其他终端发送的所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告，向所述其他终端配置用于进行D2D通信的传输资源。
  7. 根据权利要求6所述的用于D2D通信的资源配置方法，其特征在于，还包括：
    在每个传输时间间隔或每经过预定时长，均再次配置所述终端的用于进行D2D通信的传输资源和所述其他终端的用于进行D2D通信的传输资源，其中，所述预定时长大于所述传输时间间隔。
  8. 根据权利要求2至5中任一项所述的用于D2D通信的资源配置方法，其特征在于，还包括：
    从所述资源池中选择与所述其他终端进行D2D通信的传输资源。
  9. 根据权利要求1至7中任一项所述的用于D2D通信的资源配置方法，其特征在于，所述传输资源包括：时频资源和传输方式。
  10. 根据权利要求1至7中任一项所述的用于D2D通信的资源配置方法，其特征在于，还包括：
    根据所述终端的当前状态信息和/或所述终端当前所处的网络条件，设定向所述其他终端配置用于进行D2D通信的传输资源的模式。
  11. 一种用于D2D通信的资源配置装置，适用于终端，其特征在于，包括：
    确定单元，用于确定是否需要为其他终端提供D2D通信的中继功能；
    配置单元，用于在所述确定单元确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源，以使所述其他终端通过所述传输资源进行D2D通信。
  12. 根据权利要求11所述的用于D2D通信的资源配置装置，其特征在于，所述配置单元包括：
    获取单元，用于获取基站分配的资源池；
    第一广播单元，用于广播所述资源池，以供所述其他终端从所述资源池中选择所述传输资源；或
    第一交互单元，用于在接收到所述其他终端发送的资源分配请求时，将所述资源池发送至所述其他终端，以供所述其他终端从所述资源池选择所述传输资源。
  13. 根据权利要求11所述的用于D2D通信的资源配置装置，其特征在于，所述配置单元包括：
    第一处理单元，用于根据记录的历史信道质量指示值和/或缓冲区状态报告，自主配置用于进行D2D通信的资源池；
    第二广播单元，用于广播所述资源池，以供所述其他终端从所述资源池中选择所述传输资源；或
    第二交互单元，用于在接收到所述其他终端发送的资源分配请求时，将所述资源池发送至所述其他终端，以供所述其他终端从所述资源池选择所述传输资源。
  14. 根据权利要求13所述的用于D2D通信的资源配置装置，其特征在于，所述历史信道质量指示值和/或所述缓冲区状态报告包括：
    所述终端测量的信道质量指示值和/或缓冲区状态报告，以及所述其他终端上报的信道质量指示值和/或缓冲区状态报告。
  15. 根据权利要求13所述的用于D2D通信的资源配置装置，其特征在于，所述配置单元还包括：
    检测单元，用于检测与所述其他终端进行D2D通信过程中的数据传输时延和信号传输质量；
    所述第一处理单元还用于，在所述检测单元检测到与所述其他终端进行D2D通信过程中的数据传输时延大于或等于预设时延值，和/或所述信号传输质量小于或等于预设质量值时，重新配置所述资源池。
  16. 根据权利要求11所述的用于D2D通信的资源配置装置，其特征在于，所述配置单元包括：
    测量单元，用于测量所述终端当前的信道质量指示值和/或当前的缓冲区状态；
    第二处理单元，用于根据所述终端当前的历史信道质量指示值和/或所述当前的缓冲区状态，配置所述终端用于进行D2D通信的传输资源，并用于在接收到其他终端发送的资源配置请求时，向所述其他终端分配用于上报所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告的传输资源，以供所述其他终端发送所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告，以及
    所述第二处理单元还用于根据所述其他终端发送的所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告，向所述其他终端配置用于进行D2D通信的传输资源。
  17. 根据权利要求16所述的用于D2D通信的资源配置装置，其特征在于，所述第二处理单元还用于：
    在每个传输时间间隔或每经过预定时长，均再次配置所述终端的用于进行D2D通信的传输资源和所述其他终端的用于进行D2D通信的传输资源，其中，所述预定时长大于所述传输时间间隔。
  18. 根据权利要求12至15中任一项所述的用于D2D通信的资源配置装置，其特征在于，还包括：
    选择单元，用于从所述资源池中选择与所述其他终端进行D2D通信的传输资源。
  19. 根据权利要求11至17中任一项所述的用于D2D通信的资源配置装置，其特征在于，所述传输资源包括：时频资源和传输方式。
  20. 根据权利要求11至17中任一项所述的用于D2D通信的资源配置装置，其特征在于，所述配置单元还用于：
    根据所述终端的当前状态信息和/或所述终端当前所处的网络条件，设定向所述其他终端配置用于进行D2D通信的传输资源的模式。
  21. 一种终端，其特征在于，包括：通信总线、收发装置、存储器以及处理器，其中：
    所述通信总线，用于实现所述收发装置、所述存储器以及所述处理器之间的连接通信；
    所述存储器中存储一组程序代码，且处理器调用存储器中存储的程序代码，用于执行以下操作：
    确定是否需要为其他终端提供D2D通信的中继功能；
    在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源，以使所述其他终端通过所述传输资源进行D2D通信。
  22. 根据权利要求21所述的终端，其特征在于，所述处理器在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源的步骤具体包括：
    获取基站分配的资源池；
    控制收发装置广播所述资源池，以供所述其他终端从所述资源池中选择所述传输资源；或
    在通过收发装置接收到所述其他终端发送的资源分配请求时，将所述资源池发送至所述其他终端，以供所述其他终端从所述资源池选择所述传输资源。
  23. 根据权利要求21所述的终端，其特征在于，所述处理器在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源的步骤具体包括：
    根据记录的历史信道质量指示值和/或缓冲区状态报告，自主配置用于 进行D2D通信的资源池；
    控制收发装置广播所述资源池，以供所述其他终端从所述资源池中选择所述传输资源；或
    在收发装置接收到所述其他终端发送的资源分配请求时，将所述资源池发送至所述其他终端，以供所述其他终端从所述资源池选择所述传输资源。
  24. 根据权利要求23所述的终端，其特征在于，所述历史信道质量指示值和/或所述缓冲区状态报告包括：
    所述终端测量的信道质量指示值和/或缓冲区状态报告，以及所述其他终端上报的信道质量指示值和/或缓冲区状态报告。
  25. 根据权利要求23所述的终端，其特征在于，所述处理器在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源的步骤具体包括：
    检测与所述其他终端进行D2D通信过程中的数据传输时延和信号传输质量；
    所述处理器根据记录的历史信道质量指示值和/或缓冲区状态报告，自主配置用于进行D2D通信的资源池的步骤具体还包括，在所述处理器检测到与所述其他终端进行D2D通信过程中的数据传输时延大于或等于预设时延值，和/或所述信号传输质量小于或等于预设质量值时，重新配置所述资源池。
  26. 根据权利要求21所述的终端，其特征在于，所述处理器在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源的步骤具体包括：
    测量所述终端当前的信道质量指示值和/或当前的缓冲区状态；
    根据所述终端当前的历史信道质量指示值和/或所述当前的缓冲区状态，配置所述终端用于进行D2D通信的传输资源，并在收发装置接收到其他终端发送的资源配置请求时，向所述其他终端分配用于上报所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告的传输资源，以供所述其他终端发送所述其他终端的当前信道质量指示值和/或当前缓冲区状态 报告，以及
    根据所述其他终端发送的所述其他终端的当前信道质量指示值和/或当前缓冲区状态报告，向所述其他终端配置用于进行D2D通信的传输资源。
  27. 根据权利要求26所述的终端，其特征在于，所述处理器还用于执行以下操作：
    在每个传输时间间隔或每经过预定时长，均再次配置所述终端的用于进行D2D通信的传输资源和所述其他终端的用于进行D2D通信的传输资源，其中，所述预定时长大于所述传输时间间隔。
  28. 根据权利要求22至25中任一项所述的终端，其特征在于，所述处理器还用于执行以下操作：
    所述资源池中选择与所述其他终端进行D2D通信的传输资源。
  29. 根据权利要求21至27中任一项所述的终端，其特征在于，所述传输资源包括：时频资源和传输方式。
  30. 根据权利要求21至27中任一项所述的终端，其特征在于，所述处理器在确定需要为所述其他终端提供D2D通信的中继功能时，向所述其他终端配置用于进行D2D通信的传输资源的步骤具体包括：
    根据所述终端的当前状态信息和/或所述终端当前所处的网络条件，设定向所述其他终端配置用于进行D2D通信的传输资源的模式。
PCT/CN2015/082985 2015-04-09 2015-06-30 用于d2d通信的资源配置方法、装置和终端 Ceased WO2016161709A1 (zh)

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