WO2016070475A1 - 资源配置方法、系统、具有基站功能的设备和终端 - Google Patents

资源配置方法、系统、具有基站功能的设备和终端 Download PDF

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Publication number
WO2016070475A1
WO2016070475A1 PCT/CN2014/092619 CN2014092619W WO2016070475A1 WO 2016070475 A1 WO2016070475 A1 WO 2016070475A1 CN 2014092619 W CN2014092619 W CN 2014092619W WO 2016070475 A1 WO2016070475 A1 WO 2016070475A1
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Prior art keywords
terminal
time
frequency resource
base station
direct communication
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PCT/CN2014/092619
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English (en)
French (fr)
Inventor
雷艺学
张晨璐
朱亚军
李明菊
张云飞
Original Assignee
东莞宇龙通信科技有限公司
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Priority to JP2017543861A priority Critical patent/JP6503083B2/ja
Publication of WO2016070475A1 publication Critical patent/WO2016070475A1/zh
Priority to US15/587,749 priority patent/US10506575B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/52—Allocation or scheduling criteria for wireless resources based on load
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a resource configuration method for terminal direct communication, a resource configuration system for terminal direct communication, a device with base station function, and a terminal.
  • the Device to Device is a technology for direct communication of terminals introduced by the 3GPP Rel-12, allowing user data transmission without going through the cellular network. Infrastructure
  • the D2D technology mainly includes D2D discovery (ie, discovery phase) and D2D communication (ie, communication phase).
  • D2D discovery and D2D communication are independent services.
  • D2D communication allows two UEs to directly transmit data directly through a specific channel (sidelink channel). Transmission without transmission through the base station.
  • D2D communication can be used in commercial scenarios, and can also be used in public security scenarios. It is a technology that many countries and multinational companies pay attention to and is a technology that may have a major impact on terminal products in the future.
  • D2D communication includes two scenarios of network coverage and no network coverage.
  • the network side needs to control the resources of the D2D communication.
  • the prior art has two modes for configuring time-frequency resources used for D2D communication in the scenario of network coverage: one is D2D communication based on direct scheduling (hereinafter referred to as mode A), specifically, UE (User Equipment, user)
  • mode A direct scheduling
  • UE User Equipment
  • the device needs to be in a connected state, and the base station indicates by signaling whether the sender UE performs data transmission on which resource block, the configuration of such resources is based on each UE; the other is D2D communication based on shared resources (below Referring to mode B), the basic idea is that UEs under one cell coverage share a time-frequency resource pool broadcast by the base station for D2D communication.
  • mode A direct scheduling
  • UE User Equipment
  • the 3GPP has the following problem: when the macro network coverage of the UE is not good, it is possible that the UE in the connected state and communicating using the mode A cannot obtain the base station from the base station for a certain period of time. Mode A resources, during this time, if the UE still uses the resources of mode A, the D2D communication cannot be continued, resulting in the interruption of D2D communication.
  • the present invention is based on at least one of the above technical problems, and proposes a new resource configuration scheme for terminal direct communication suitable for a device having a base station function, which can effectively reduce the probability of D2D communication interruption and ensure D2D communication service.
  • the continuity ensures that the D2D terminal has higher communication quality when performing D2D communication.
  • a resource configuration method for terminal direct connection communication which is applicable to a device having a base station function, includes: acquiring time-frequency resources of the device having the base station function. Usage, and/or status information of each D2D terminal within the coverage of the device having the base station function; usage of the time-frequency resource according to the device having the base station function and/or the each D2D terminal Status information, determining a configuration mode of configuring a time-frequency resource for each of the D2D terminals; and allocating time-frequency resources for terminal direct-connection communication to each of the D2D terminals according to the configuration mode, for each of the The D2D terminal performs terminal direct communication according to the allocated time-frequency resource.
  • the configuration mode of the time-frequency resource for each D2D terminal by configuring the configuration mode of the time-frequency resource for each D2D terminal according to the state information of each D2D terminal within the coverage of the device having the function of the base station, it is possible to determine and determine according to the state information of the D2D terminal.
  • the configuration mode using the pre-allocated time-frequency resource pool ie, the above mode B
  • the mode B is used between the D2D terminals.
  • Determining a configuration mode of configuring a time-frequency resource for each D2D terminal according to a usage condition of a time-frequency resource of a device having a base station function enables flexible determination of a time-frequency resource amount that can be currently used for D2D communication according to a device having a base station function
  • the configuration mode of the time-frequency resource is configured for the D2D terminal. For example, when the amount of time-frequency resources that can be used for D2D communication is large, the configuration mode of each D2D terminal (especially the D2D terminal at the center of the cell) is directly scheduled to ensure Each D2D terminal has a higher communication quality when performing D2D communication.
  • the above two aspects can be comprehensively considered to ensure the high communication quality of the D2D communication under the premise of ensuring the continuity of the D2D communication service. .
  • the device with the base station function described in the present invention includes: a macro base station and a micro cell base station implemented by a communication device (such as a smart phone, etc.).
  • the step of determining the configuration mode according to the usage of the time-frequency resource of the device with the function of the base station is specifically: determining that the device with the function of the base station can be scheduled to transmit the uplink data. Whether the number of time-frequency resources applicable to the terminal direct communication is greater than or equal to the predetermined number in the time-frequency resource; when determining that the number of time-frequency resources applicable to the terminal direct-connection communication is greater than or equal to the predetermined number, determining to adopt direct Scheduling a configuration mode of the time-frequency resource of each D2D terminal.
  • each D2D terminal has higher communication quality when performing D2D communication.
  • the step of determining, according to the state information of each D2D terminal, the configuration mode of configuring the time-frequency resource for each D2D terminal is specifically: according to the location information of each D2D terminal Determining whether each of the D2D terminals is in an edge region of the coverage of the device having the base station function; determining to adopt pre-allocation when determining that any D2D terminal is in an edge region of the coverage of the device having the base station function
  • the configuration mode of the time-frequency resource pool allocates time-frequency resources to any of the D2D terminals.
  • the communication quality between the D2D terminal and the device having the base station function may be better. Poor, and by adopting the configuration mode of the pre-allocated time-frequency resource pool, it is possible to avoid D2D communication caused by the direct scheduling configuration mode (ie, mode A) when the communication quality between the D2D terminal and the device having the base station function is poor. The problem of interruption.
  • the step of allocating time-frequency resources for terminal direct communication to the any D2D terminal according to the configuration mode of the pre-allocated time-frequency resource pool is specifically: according to any of the D2D terminals a state of motion, estimating a target cell to be entered by any of the D2D terminals; configuring, according to the device having the function of the base station, a first time-frequency resource pool for terminal direct communication, and a base station function of the target cell a second time-frequency resource pool configured by the device for terminal direct communication, and selecting a common time-frequency resource in the first time-frequency resource pool and the second time-frequency resource pool as the pre-allocated time-frequency resource pool And notifying the any of the D2D terminals, wherein the D2D terminal selects, in the pre-allocated time-frequency resource pool, the terminal direct communication Time-frequency resources.
  • the time-frequency resource when determining that the D2D terminal is about to enter another cell (ie, the target cell), selecting the common time-frequency resource in the first time-frequency resource pool and the second time-frequency resource pool as the pre-allocated time-frequency resource pool
  • the time-frequency resource enables the D2D communication to be performed according to the common time-frequency resources configured by the two cells for the terminal direct communication when the D2D terminal moves from one cell to another, thereby ensuring that the D2D terminal is between the cells.
  • each D2D terminal further comprising: determining, according to the motion state of each D2D terminal, whether the each D2D terminal is close to a center motion of a coverage of the device having the base station function; When the D2D terminal moves close to the center of the coverage of the device with the base station function, the configuration mode of the pre-allocated time-frequency resource pool is switched to a configuration mode that directly schedules the time-frequency resources of each D2D terminal.
  • the configuration mode of the pre-allocated time-frequency resource pool is switched to a configuration mode that adopts direct scheduling of time-frequency resources of each D2D terminal, that is, mode B Switching to mode A, so that when the communication quality with the D2D terminal is superior (compared to the communication quality of the D2D terminal at the cell edge), a configuration mode of directly scheduling the time-frequency resources of the D2D terminal can be adopted to ensure that the D2D terminal is in the High communication quality when performing D2D communication.
  • the method further includes: when receiving the request instruction for the specified configuration mode sent by any D2D terminal, when the currently used DMC terminal is allocated for the terminal direct communication The configuration mode of the frequency resource is switched to the specified configuration mode.
  • the D2D terminal can also directly notify the device with the base station function of the configuration mode when configuring the time-frequency resource of the D2D communication.
  • the D2D terminal can actively request the configuration mode of the time-frequency resource for the device with the base station function according to the information such as the importance of the D2D communication performed by the D2D terminal, so as to ensure that the configuration mode allocated by the device with the base station function to the D2D terminal can be Better meet the actual needs of D2D terminals.
  • the method further includes: notifying, to each of the D2D terminals, the abnormal time-frequency resource pool configured by the device having the function of the base station, where the D2D terminal has the function of the base station When the device is disconnected, a time-frequency resource for recovering the interrupted terminal direct communication is selected from the abnormal time-frequency resource pool.
  • an abnormal situation occurs in communication between the D2D terminal and the setting having the function of the base station, and the configuration mode of the pre-allocated time-frequency resource pool has not been switched yet.
  • the continuity of D2D communication can be maintained by the time-frequency resources in the abnormal time-frequency resource pool.
  • the D2D terminal selects the time-frequency resource for recovering the interrupted terminal direct communication from the abnormal time-frequency resource pool, the D2D terminal can select from the abnormal time-frequency resource pool notified by the device with the base station function of the current cell. It is also possible to select from an abnormal time-frequency resource pool notified by the neighboring cell's device having the base station function.
  • the method further includes: configuring the abnormal time-frequency resource pool according to the importance of the D2D service processed by each D2D terminal and the priority of the D2D service.
  • the method further includes: adjusting the abnormal time-frequency resource pool according to a recovery status of the disconnected terminal direct communication after each D2D terminal is disconnected from the device having the base station function; The number of time-frequency resources in the middle.
  • the number of time-frequency resources in the abnormal time-frequency resource pool is adjusted according to the recovery condition of the interrupted D2D communication, so that when the interrupted D2D communication is restored, the time-frequency in the abnormal time-frequency resource pool can be appropriately reduced. Number of resources to ensure time-frequency resources Maximum utilization.
  • the method further includes: receiving signaling related to a radio link recovery process, to determine, according to the signaling related to the radio link recovery process, a recovery status of the interrupted terminal direct communication And/or receiving a recovery status of the interrupted terminal direct communication reported by each D2D terminal.
  • the device having the function of the base station can determine the recovery condition of the interrupted D2D communication according to the signaling received during the radio link recovery process; on the other hand, in order to reduce the analysis load of the device having the function of the base station, A device having a base station function can receive only the recovery status of the terminal direct communication interrupted by the D2D terminal.
  • the method further includes: adjusting the number of time-frequency resources in each of the configuration modes according to the number of D2D terminals to be scheduled.
  • the number of D2D terminals to be scheduled is large, in order to reduce the load of the device having the function of the base station, more D2D terminals can be scheduled to use the mode B to select the time-frequency resource, and the mode can be increased.
  • the number of time-frequency resources under B if the number of D2D terminals to be scheduled is small, in order to improve the quality of D2D communication, more D2D terminals can be scheduled to use mode A to select time-frequency resources, and then the time in mode A can be increased.
  • the number of frequency resources is used.
  • a resource configuration system for terminal direct communication is also provided, which is applicable to a device having a base station function, and includes: an acquiring unit, configured to acquire a time frequency of the device with the base station function The use of the resource, and/or the status information of each D2D terminal within the coverage of the device having the function of the base station; the processing unit, configured to use the time-frequency resource according to the device with the function of the base station And determining the configuration mode of the time-frequency resource for each of the D2D terminals, and the allocating unit, configured to allocate the terminal for each D2D terminal according to the configuration mode.
  • the time-frequency resource of the communication is connected, so that each D2D terminal performs terminal direct communication according to the allocated time-frequency resource.
  • the configuration mode of the time-frequency resource for each D2D terminal by configuring the configuration mode of the time-frequency resource for each D2D terminal according to the state information of each D2D terminal within the coverage of the device having the function of the base station, it is possible to determine and determine according to the state information of the D2D terminal. Poor communication quality between D2D terminals
  • the configuration mode of the pre-allocated time-frequency resource pool ie, the above-mentioned mode B
  • the data is transmitted by using the resource of the mode B between the D2D terminals in a short time. Losing the connection with the device having the base station function does not mean that the D2D transmission must be stopped, so that the probability of D2D communication interruption can be effectively reduced, and the continuity of the D2D communication service can be ensured.
  • Determining a configuration mode of configuring a time-frequency resource for each D2D terminal according to a usage condition of a time-frequency resource of a device having a base station function enables flexible determination of a time-frequency resource amount that can be currently used for D2D communication according to a device having a base station function
  • the configuration mode of the time-frequency resource is configured for the D2D terminal. For example, when the amount of time-frequency resources that can be used for D2D communication is large, the configuration mode of each D2D terminal is directly scheduled to ensure that each D2D terminal has a D2D communication. High communication quality.
  • the above two aspects can be comprehensively considered to ensure the high communication quality of the D2D communication under the premise of ensuring the continuity of the D2D communication service. .
  • the device with the base station function described in the present invention includes: a macro base station and a micro cell base station implemented by a communication device (such as a smart phone, etc.).
  • the processing unit includes: a first determining unit, configured to determine, in a time-frequency resource that is capable of transmitting uplink data that can be scheduled by the device having the base station function, is applicable to terminal direct communication Whether the number of the time-frequency resources is greater than or equal to the predetermined number; the first determining unit, configured to determine, when the first determining unit determines that the number of time-frequency resources applicable to the terminal direct-connection communication is greater than or equal to the predetermined number The configuration mode of the time-frequency resource of each D2D terminal is directly scheduled.
  • each D2D terminal has higher communication quality when performing D2D communication.
  • the processing unit includes: a second determining unit, configured to determine, according to the location information of each D2D terminal, whether each of the D2D terminals is in the device with the base station function An edge region of the coverage; a second determining unit, configured to determine, in the second determining unit, that any D2D terminal is in the coverage of the device having the function of the base station When the edge region of the range is within the range, it is determined that the time-frequency resource is allocated to any of the D2D terminals by using a configuration mode of the pre-allocated time-frequency resource pool.
  • the communication quality between the D2D terminal and the device having the base station function may be poor, and by adopting the pre-allocated time-frequency resource pool
  • the configuration mode can avoid the problem that the D2D communication is interrupted by using the directly scheduled configuration mode (ie, mode A) when the communication quality between the D2D terminal and the device having the base station function is poor.
  • the allocating unit includes: an analyzing unit, configured to estimate, according to a motion state of any of the D2D terminals, a target cell that the any D2D terminal is to enter; a selecting unit, configured to: And configuring, by the device having the function of the base station, a first time-frequency resource pool for terminal direct-connection communication, and a second time-frequency resource pool for terminal direct-connection communication configured by the device with the base station function of the target cell, Selecting a common time-frequency resource in the first time-frequency resource pool and the second time-frequency resource pool as a time-frequency resource in the pre-allocated time-frequency resource pool; a first notification unit, configured to use the pre-allocation The time-frequency resource pool is notified to the any D2D terminal, so that the any D2D terminal selects a time-frequency resource for performing terminal direct communication in the pre-allocated time-frequency resource pool.
  • the time-frequency resource when determining that the D2D terminal is about to enter another cell (ie, the target cell), selecting the common time-frequency resource in the first time-frequency resource pool and the second time-frequency resource pool as the pre-allocated time-frequency resource pool
  • the time-frequency resource enables the D2D communication to be performed according to the common time-frequency resources configured by the two cells for the terminal direct communication when the D2D terminal moves from one cell to another, thereby ensuring that the D2D terminal is between the cells.
  • the method further includes: a third determining unit, configured to determine, according to the motion state of each D2D terminal, whether each of the D2D terminals is close to the coverage of the device having the base station function a central switching unit, configured to: when the third determining unit determines that the center of motion of any D2D terminal is close to the coverage of the device with the base station function, configure the pre-allocated time-frequency resource pool Switching to a configuration mode in which the time-frequency resources of each D2D terminal are directly scheduled.
  • the method further includes: a second switching unit, configured to allocate the currently used to the any D2D terminal when receiving a request instruction for the specified configuration mode sent by any D2D terminal The configuration mode of the time-frequency resource in the terminal direct communication is switched to the specified configuration mode.
  • the D2D terminal can also directly notify the device with the base station function of the configuration mode when configuring the time-frequency resource of the D2D communication.
  • the D2D terminal can actively request the configuration mode of the time-frequency resource for the device with the base station function according to the information such as the importance of the D2D communication performed by the D2D terminal, so as to ensure that the configuration mode allocated by the device with the base station function to the D2D terminal can be Better meet the actual needs of D2D terminals.
  • the method further includes: a second notification unit, configured to notify the D2D terminal of the abnormal time-frequency resource pool configured by the device having the base station function, for each D2D terminal
  • the time-frequency resource for recovering the interrupted terminal direct communication is selected from the abnormal time-frequency resource pool when disconnected from the device having the base station function.
  • an abnormal situation occurs in communication between the D2D terminal and the setting having the function of the base station, and the configuration mode of the pre-allocated time-frequency resource pool has not been switched yet.
  • the continuity of D2D communication can be maintained by the time-frequency resources in the abnormal time-frequency resource pool.
  • the D2D terminal selects the time-frequency resource for recovering the interrupted terminal direct communication from the abnormal time-frequency resource pool, the D2D terminal can select from the abnormal time-frequency resource pool notified by the device with the base station function of the current cell. It is also possible to select from an abnormal time-frequency resource pool notified by the neighboring cell's device having the base station function.
  • the method further includes: a configuration unit, configured to configure the abnormal time-frequency resource pool according to the importance of the D2D service processed by each D2D terminal and the priority of the D2D service.
  • the method further includes: a first adjusting unit, configured to adjust, according to the recovery status of the disconnected terminal direct communication, after each D2D terminal is disconnected from the device having the base station function The number of time-frequency resources in the abnormal time-frequency resource pool.
  • the number of time-frequency resources in the abnormal time-frequency resource pool is adjusted according to the recovery condition of the interrupted D2D communication, so that when the interrupted D2D communication is restored, the time-frequency in the abnormal time-frequency resource pool can be appropriately reduced.
  • the number of resources to ensure maximum utilization of time-frequency resources.
  • the method further includes: a first receiving unit, configured to receive signaling related to a radio link recovery process; and a third determining unit, configured to be related to the radio link recovery process according to the The signaling determines the recovery status of the interrupted terminal direct communication; and/or the second receiving unit is configured to receive the recovered status of the interrupted terminal direct communication reported by each D2D terminal.
  • the device having the function of the base station can determine the recovery condition of the interrupted D2D communication according to the signaling received during the radio link recovery process; on the other hand, in order to reduce the analysis load of the device having the function of the base station, A device having a base station function can receive only the recovery status of the terminal direct communication interrupted by the D2D terminal.
  • the method further includes: a second adjusting unit, configured to adjust the number of time-frequency resources in each of the configuration modes according to the number of D2D terminals to be scheduled.
  • the number of D2D terminals to be scheduled is large, in order to reduce the load of the device having the function of the base station, more D2D terminals can be scheduled to use the mode B to select the time-frequency resource, and the mode can be increased.
  • the number of time-frequency resources under B if the number of D2D terminals to be scheduled is small, in order to improve the quality of D2D communication, more D2D terminals can be scheduled to use mode A to select time-frequency resources, and then the time in mode A can be increased.
  • the number of frequency resources is used.
  • a device having a base station function including: the resource configuration system for terminal direct communication according to any one of the foregoing technical solutions.
  • a resource configuration method for terminal direct communication of a terminal includes: receiving a device having a base station function in a cell in which the terminal is currently located. Notifying the first abnormal time-frequency resource pool, and/or receiving a second abnormal time-frequency resource pool notified by the device having the base station function in the other cell; and the device having the base station function in the terminal and the current cell being disconnected
  • selecting terminal direct communication for restoring the interrupt from the first abnormal time-frequency resource pool and/or the second abnormal time-frequency resource pool Time-frequency resource; recovering the interrupted terminal direct communication by selecting the time-frequency resource.
  • the device may be based on the device with the base station function in the current cell. Notifying the first abnormal time-frequency resource pool to select a time-frequency resource for recovering the interrupted terminal direct-connection communication; or when receiving the second abnormal time-frequency resource pool notified by another cell (such as a neighboring cell of the current cell) Selecting time-frequency resources for recovering the interrupted terminal direct communication from the second abnormal time-frequency resource pool; and synthesizing the time-frequency resources in the first abnormal time-frequency resource pool and the second abnormal time-frequency resource pool, thereby selecting Ensure that the interrupted terminal direct communication can be quickly restored to ensure the continuity of the terminal direct communication.
  • a resource configuration system for terminal direct communication which includes: a receiving unit, configured to receive a device notification of a base station function in a cell in which the terminal is currently located. a first abnormal time-frequency resource pool, and/or a second abnormal time-frequency resource pool notified by a device having a base station function in another cell; and a selecting unit, configured to have a base station in the terminal and the current cell
  • the terminal for recovering the interruption is selected from the first abnormal time-frequency resource pool and/or the second abnormal time-frequency resource pool.
  • the processing unit is configured to recover the interrupted terminal direct communication by using the time-frequency resource selected by the selecting unit.
  • the device may be based on the device with the base station function in the current cell. Notifying the first abnormal time-frequency resource pool to select a time-frequency resource for recovering the interrupted terminal direct-connection communication; or when receiving the second abnormal time-frequency resource pool notified by another cell (such as a neighboring cell of the current cell) Selecting a time-frequency resource for recovering the interrupted terminal direct communication from the second abnormal time-frequency resource pool; and synthesizing the first abnormal time-frequency resource pool And selecting the time-frequency resource in the second abnormal time-frequency resource pool, thereby ensuring that the interrupted terminal direct communication can be quickly restored, and the continuity of the terminal direct communication is ensured.
  • a terminal comprising: the resource configuration system for terminal direct connection communication applicable to the terminal.
  • the probability of D2D communication interruption can be effectively reduced, the continuity of the D2D communication service can be ensured, and the D2D terminal can ensure high communication quality when performing D2D communication.
  • FIG. 1 shows a schematic flow chart of a resource configuration method for terminal direct communication suitable for a device having a base station function according to an embodiment of the present invention
  • FIG. 2 shows a schematic block diagram of a resource configuration system for terminal direct communication suitable for a device having a base station function, in accordance with an embodiment of the present invention
  • FIG. 3 is a schematic flow chart showing a resource configuration method for terminal direct communication applicable to a terminal according to an embodiment of the present invention
  • FIG. 4 shows a schematic block diagram of a resource configuration system for terminal direct communication applicable to a terminal according to an embodiment of the present invention.
  • FIG. 1 shows a schematic flow chart of a resource configuration method for terminal direct communication suitable for a device having a base station function, according to an embodiment of the present invention.
  • a resource configuration method for terminal direct communication which is applicable to a device having a base station function, according to an embodiment of the present invention, includes: Step 102: Acquire the base station function Usage of time-frequency resources of the device, and/or status information of each D2D terminal within the coverage of the device having the function of the base station; Step 104, according to time-frequency resources of the device having the function of the base station Determining, by using the status information and/or the status information of each D2D terminal, a configuration mode of configuring a time-frequency resource for each D2D terminal; and transmitting a terminal for each D2D terminal according to the configuration mode. Directly connecting the time-frequency resources of the communication, so that each D2D terminal performs terminal direct communication according to the allocated time-frequency resources.
  • the configuration mode of the time-frequency resource for each D2D terminal by configuring the configuration mode of the time-frequency resource for each D2D terminal according to the state information of each D2D terminal within the coverage of the device having the function of the base station, it is possible to determine and determine according to the state information of the D2D terminal.
  • the configuration mode using the pre-allocated time-frequency resource pool ie, the above mode B may be determined, because the mode B is used between the D2D terminals.
  • Determining a configuration mode of configuring a time-frequency resource for each D2D terminal according to a usage condition of a time-frequency resource of a device having a base station function enables flexible determination of a time-frequency resource amount that can be currently used for D2D communication according to a device having a base station function
  • the configuration mode of the time-frequency resource is configured for the D2D terminal. For example, when the amount of time-frequency resources that can be used for D2D communication is large, the configuration mode of each D2D terminal is directly scheduled to ensure that each D2D terminal has a D2D communication. High communication quality.
  • the above two aspects can be comprehensively considered to ensure the high communication quality of the D2D communication under the premise of ensuring the continuity of the D2D communication service. .
  • the device with the base station function described in the present invention includes: a macro base station and a micro cell base station implemented by a communication device (such as a smart phone, etc.).
  • the step of determining the configuration mode according to the usage of the time-frequency resource of the device with the function of the base station is specifically: determining that the device with the function of the base station can be scheduled to transmit the uplink data. Whether the number of time-frequency resources suitable for terminal direct-connection communication is greater than or equal to a predetermined number in the time-frequency resource; determining the time-frequency applicable to terminal direct-connection communication When the number of resources is greater than or equal to the predetermined number, it is determined that a configuration mode of directly scheduling the time-frequency resources of each D2D terminal is adopted.
  • each D2D terminal has higher communication quality when performing D2D communication.
  • the step of determining, according to the state information of each D2D terminal, the configuration mode of configuring the time-frequency resource for each D2D terminal is specifically: according to the location information of each D2D terminal Determining whether each of the D2D terminals is in an edge region of the coverage of the device having the base station function; determining to adopt pre-allocation when determining that any D2D terminal is in an edge region of the coverage of the device having the base station function
  • the configuration mode of the time-frequency resource pool allocates time-frequency resources to any of the D2D terminals.
  • the communication quality between the D2D terminal and the device having the base station function may be poor, and by adopting the pre-allocated time-frequency resource pool
  • the configuration mode can avoid the problem that the D2D communication is interrupted by using the directly scheduled configuration mode (ie, mode A) when the communication quality between the D2D terminal and the device having the base station function is poor.
  • the step of allocating time-frequency resources for terminal direct communication to the any D2D terminal according to the configuration mode of the pre-allocated time-frequency resource pool is specifically: according to any of the D2D terminals a state of motion, estimating a target cell to be entered by any of the D2D terminals; configuring, according to the device having the function of the base station, a first time-frequency resource pool for terminal direct communication, and a base station function of the target cell a second time-frequency resource pool configured by the device for terminal direct communication, and selecting a common time-frequency resource in the first time-frequency resource pool and the second time-frequency resource pool as the pre-allocated time-frequency resource pool And notifying the any of the D2D terminals, wherein the D2D terminal selects, in the pre-allocated time-frequency resource pool, the terminal direct communication Time-frequency resources.
  • the frequency resource performs D2D communication, thereby ensuring the continuity of the D2D communication service when the D2D terminal switches between cells.
  • each D2D terminal further comprising: determining, according to the motion state of each D2D terminal, whether the each D2D terminal is close to a center motion of a coverage of the device having the base station function; When the D2D terminal moves close to the center of the coverage of the device with the base station function, the configuration mode of the pre-allocated time-frequency resource pool is switched to a configuration mode that directly schedules the time-frequency resources of each D2D terminal.
  • the configuration mode of the pre-allocated time-frequency resource pool is switched to a configuration mode that adopts direct scheduling of time-frequency resources of each D2D terminal, that is, mode B Switching to mode A, so that when the communication quality with the D2D terminal is superior (compared to the communication quality of the D2D terminal at the cell edge), a configuration mode of directly scheduling the time-frequency resources of the D2D terminal can be adopted to ensure that the D2D terminal is in the High communication quality when performing D2D communication.
  • the method further includes: when receiving the request instruction for the specified configuration mode sent by any D2D terminal, when the currently used DMC terminal is allocated for the terminal direct communication The configuration mode of the frequency resource is switched to the specified configuration mode.
  • the D2D terminal can also directly notify the device with the base station function of the configuration mode when configuring the time-frequency resource of the D2D communication.
  • the D2D terminal can actively request the configuration mode of the time-frequency resource for the device with the base station function according to the information such as the importance of the D2D communication performed by the D2D terminal, so as to ensure that the configuration mode allocated by the device with the base station function to the D2D terminal can be Better meet the actual needs of D2D terminals.
  • the method further includes: notifying, to each of the D2D terminals, the abnormal time-frequency resource pool configured by the device having the function of the base station, where the D2D terminal has the function of the base station When the device is disconnected, a time-frequency resource for recovering the interrupted terminal direct communication is selected from the abnormal time-frequency resource pool.
  • an abnormal situation occurs in communication between the D2D terminal and the setting having the function of the base station, and the configuration mode of the pre-allocated time-frequency resource pool has not been switched yet.
  • Time (such as a communication abnormality occurred during the process of switching from mode A to mode B), capable of maintaining D2D through time-frequency resources in the abnormal time-frequency resource pool The continuity of communication.
  • the D2D terminal selects the time-frequency resource for recovering the interrupted terminal direct communication from the abnormal time-frequency resource pool, the D2D terminal can select from the abnormal time-frequency resource pool notified by the device with the base station function of the current cell. It is also possible to select from an abnormal time-frequency resource pool notified by the neighboring cell's device having the base station function.
  • the method further includes: configuring the abnormal time-frequency resource pool according to the importance of the D2D service processed by each D2D terminal and the priority of the D2D service.
  • the method further includes: adjusting the abnormal time-frequency resource pool according to a recovery status of the disconnected terminal direct communication after each D2D terminal is disconnected from the device having the base station function; The number of time-frequency resources in the middle.
  • the number of time-frequency resources in the abnormal time-frequency resource pool is adjusted according to the recovery condition of the interrupted D2D communication, so that when the interrupted D2D communication is restored, the time-frequency in the abnormal time-frequency resource pool can be appropriately reduced.
  • the number of resources to ensure maximum utilization of time-frequency resources.
  • the method further includes: receiving signaling related to a radio link recovery process, to determine, according to the signaling related to the radio link recovery process, a recovery status of the interrupted terminal direct communication And/or receiving a recovery status of the interrupted terminal direct communication reported by each D2D terminal.
  • the device having the function of the base station can determine the recovery condition of the interrupted D2D communication according to the signaling received during the radio link recovery process; on the other hand, in order to reduce the analysis load of the device having the function of the base station, A device having a base station function can receive only the recovery status of the terminal direct communication interrupted by the D2D terminal.
  • the method further includes: adjusting the number of time-frequency resources in each of the configuration modes according to the number of D2D terminals to be scheduled.
  • the number of D2D terminals to be scheduled is large, in order to reduce the load of the device having the function of the base station, more D2D terminals can be scheduled to use the mode B to select the time-frequency resource, and the mode can be increased.
  • the number of time-frequency resources under B if the number of D2D terminals to be scheduled is small, in order to improve the quality of D2D communication, more D2D terminals can be scheduled to use mode A to select time-frequency resources, and then the time in mode A can be increased.
  • Frequency resource the amount.
  • FIG. 2 shows a schematic block diagram of a resource configuration system for terminal direct communication that is suitable for a device having base station functionality, in accordance with an embodiment of the present invention.
  • a resource configuration system 200 for terminal direct-connection communication which is applicable to a device having a base station function, according to an embodiment of the present invention, includes: an obtaining unit 202, configured to acquire the device with the base station function. The use of the time-frequency resource, and/or the state information of each D2D terminal in the coverage of the device having the function of the base station; the processing unit 204, configured to use the time-frequency resource of the device having the function of the base station a usage mode and/or status information of each D2D terminal, determining a configuration mode of configuring a time-frequency resource for each D2D terminal; and an allocating unit 206, configured to allocate to each of the D2D terminals according to the configuration mode A time-frequency resource for terminal direct communication, wherein each D2D terminal performs terminal direct communication according to the allocated time-frequency resource.
  • the configuration mode of the time-frequency resource for each D2D terminal by configuring the configuration mode of the time-frequency resource for each D2D terminal according to the state information of each D2D terminal within the coverage of the device having the function of the base station, it is possible to determine and determine according to the state information of the D2D terminal.
  • the configuration mode using the pre-allocated time-frequency resource pool ie, the above mode B may be determined, because the mode B is used between the D2D terminals.
  • Determining a configuration mode of configuring a time-frequency resource for each D2D terminal according to a usage condition of a time-frequency resource of a device having a base station function enables flexible determination of a time-frequency resource amount that can be currently used for D2D communication according to a device having a base station function
  • the configuration mode of the time-frequency resource is configured for the D2D terminal. For example, when the amount of time-frequency resources that can be used for D2D communication is large, the configuration mode of each D2D terminal is directly scheduled to ensure that each D2D terminal has a D2D communication. High communication quality.
  • the above two aspects can be comprehensively considered to ensure the high communication quality of the D2D communication under the premise of ensuring the continuity of the D2D communication service. .
  • the device with the base station function described in the present invention includes: a macro base station and a micro cell base station implemented by a communication device (such as a smart phone, etc.).
  • the processing unit 204 includes: a first determining unit 2042, configured to determine, in a time-frequency resource that can be used by the device with the function of the base station to transmit uplink data, to be directly connected to the terminal. Whether the number of time-frequency resources of the communication is greater than or equal to the predetermined number; the first determining unit 2044, configured to determine, by the first determining unit 2042, that the number of time-frequency resources applicable to the terminal direct-connection communication is greater than or equal to the predetermined quantity At the time, it is determined that a configuration mode of directly scheduling the time-frequency resources of each of the D2D terminals is adopted.
  • each D2D terminal has higher communication quality when performing D2D communication.
  • the processing unit 204 includes: a second determining unit 2046, configured to determine, according to the location information of each D2D terminal, whether each of the D2D terminals is in the function of the base station An edge region of the coverage of the device; a second determining unit 2048, configured to determine, when the second determining unit 2046 determines that any D2D terminal is in an edge region of the coverage of the device with the base station function
  • the configuration mode of the time-frequency resource pool allocates time-frequency resources to any of the D2D terminals.
  • the communication quality between the D2D terminal and the device having the base station function may be poor, and by adopting the pre-allocated time-frequency resource pool
  • the configuration mode can avoid the problem that the D2D communication is interrupted by using the directly scheduled configuration mode (ie, mode A) when the communication quality between the D2D terminal and the device having the base station function is poor.
  • the allocating unit 206 includes: an analyzing unit 2062, configured to estimate, according to the motion state of any of the D2D terminals, a target cell that the any D2D terminal is to enter; the selecting unit 2064 And configured to configure, according to the device with the function of the base station, a first time-frequency resource pool for terminal direct communication, and a second time-frequency for terminal direct communication configured by the device with the base station function of the target cell a resource pool, the common time-frequency resource in the first time-frequency resource pool and the second time-frequency resource pool is selected as the time-frequency resource in the pre-allocated time-frequency resource pool; the first notification unit 2066 is configured to The pre-allocated time-frequency resource The pool is notified to any of the D2D terminals, so that any of the D2D terminals selects time-frequency resources for performing terminal direct communication in the pre-allocated time-frequency resource pool.
  • the time-frequency resource when determining that the D2D terminal is about to enter another cell (ie, the target cell), selecting the common time-frequency resource in the first time-frequency resource pool and the second time-frequency resource pool as the pre-allocated time-frequency resource pool
  • the time-frequency resource enables the D2D communication to be performed according to the common time-frequency resources configured by the two cells for the terminal direct communication when the D2D terminal moves from one cell to another, thereby ensuring that the D2D terminal is between the cells.
  • the method further includes: a third determining unit 208, configured to determine, according to the motion state of each D2D terminal, whether the D2D terminal is close to the coverage of the device with the base station function
  • the first switching unit 210 is configured to: when the third determining unit 208 determines that the center of motion of any D2D terminal is close to the coverage of the device with the base station function, the pre-allocated time-frequency resource pool
  • the configuration mode is switched to a configuration mode in which the time-frequency resources of each D2D terminal are directly scheduled.
  • the configuration mode of the pre-allocated time-frequency resource pool is switched to a configuration mode that adopts direct scheduling of time-frequency resources of each D2D terminal, that is, mode B Switching to mode A, so that when the communication quality with the D2D terminal is superior (compared to the communication quality of the D2D terminal at the cell edge), a configuration mode of directly scheduling the time-frequency resources of the D2D terminal can be adopted to ensure that the D2D terminal is in the High communication quality when performing D2D communication.
  • the method further includes: a second switching unit 212, configured to allocate the currently adopted to the any D2D terminal when receiving a request instruction for the specified configuration mode sent by any D2D terminal The configuration mode of the time-frequency resource for terminal direct communication is switched to the specified configuration mode.
  • the D2D terminal can also directly notify the device with the base station function of the configuration mode when configuring the time-frequency resource of the D2D communication.
  • the D2D terminal can actively request the configuration mode of the time-frequency resource for the device with the base station function according to the information such as the importance of the D2D communication performed by the D2D terminal, so as to ensure that the configuration mode allocated by the device with the base station function to the D2D terminal can be Better meet the actual needs of D2D terminals.
  • the method further includes: a second notification unit 214, configured to notify the D2D terminal of the abnormal time-frequency resource pool configured by the device with the base station function, for each D2D The terminal selects a time-frequency resource for recovering the interrupted terminal direct communication from the abnormal time-frequency resource pool when disconnecting from the device having the base station function.
  • a second notification unit 214 configured to notify the D2D terminal of the abnormal time-frequency resource pool configured by the device with the base station function, for each D2D The terminal selects a time-frequency resource for recovering the interrupted terminal direct communication from the abnormal time-frequency resource pool when disconnecting from the device having the base station function.
  • an abnormal situation occurs in communication between the D2D terminal and the setting having the function of the base station, and the configuration mode of the pre-allocated time-frequency resource pool has not been switched yet.
  • the continuity of D2D communication can be maintained by the time-frequency resources in the abnormal time-frequency resource pool.
  • the D2D terminal selects the time-frequency resource for recovering the interrupted terminal direct communication from the abnormal time-frequency resource pool, the D2D terminal can select from the abnormal time-frequency resource pool notified by the device with the base station function of the current cell. It is also possible to select from an abnormal time-frequency resource pool notified by the neighboring cell's device having the base station function.
  • the method further includes: a configuration unit 216, configured to configure the abnormal time-frequency resource pool according to the importance of the D2D service processed by each D2D terminal and the priority of the D2D service.
  • the method further includes: a first adjusting unit 218, configured to: according to the recovery status of the disconnected terminal direct communication after each D2D terminal is disconnected from the device having the base station function Adjusting the number of time-frequency resources in the abnormal time-frequency resource pool.
  • the number of time-frequency resources in the abnormal time-frequency resource pool is adjusted according to the recovery condition of the interrupted D2D communication, so that when the interrupted D2D communication is restored, the time-frequency in the abnormal time-frequency resource pool can be appropriately reduced.
  • the number of resources to ensure maximum utilization of time-frequency resources.
  • the method further includes: a first receiving unit 220, configured to receive signaling related to a radio link recovery process; and a third determining unit 222, configured to perform a recovery process according to the radio link Relevant signaling determines a recovery status of the interrupted terminal direct communication; and/or
  • the second receiving unit 224 is configured to receive a recovery status of the interrupted terminal direct communication reported by each D2D terminal.
  • the device with the function of the base station can be recovered according to the wireless link.
  • the received signaling determines the recovery condition of the interrupted D2D communication; on the other hand, in order to reduce the analysis load of the device having the base station function, the device having the base station function can receive only the interrupted terminal direct communication reported by the D2D terminal. Recovery status.
  • the method further includes: a second adjusting unit 226, configured to adjust the number of time-frequency resources in each of the configuration modes according to the number of D2D terminals to be scheduled.
  • the number of D2D terminals to be scheduled is large, in order to reduce the load of the device having the function of the base station, more D2D terminals can be scheduled to use the mode B to select the time-frequency resource, and the mode can be increased.
  • the number of time-frequency resources under B if the number of D2D terminals to be scheduled is small, in order to improve the quality of D2D communication, more D2D terminals can be scheduled to use mode A to select time-frequency resources, and then the time in mode A can be increased.
  • the number of frequency resources is used.
  • the present invention also proposes a device (not shown) having a base station function, comprising: a resource configuration system 200 for terminal direct communication as shown in FIG. 2.
  • FIG. 3 shows a schematic flow chart of a resource configuration method for terminal direct communication applicable to a terminal according to an embodiment of the present invention.
  • a resource configuration method for terminal direct connection communication applicable to a terminal includes: Step 302: Receive a device notification of a base station function in a cell in which the terminal is currently located. a first abnormal time-frequency resource pool, and/or a second abnormal time-frequency resource pool notified by a device having a base station function in another cell; and step 304, the device having the base station function in the terminal and the currently located cell Selecting a terminal direct communication for restoring an interrupt from the first abnormal time-frequency resource pool and/or the second abnormal time-frequency resource pool when the connection is disconnected to cause the terminal direct communication communication by the terminal to be interrupted.
  • the device may be based on the device with the base station function in the current cell. Notifying the first abnormal time-frequency resource pool to select a time-frequency resource for recovering the interrupted terminal direct-connection communication; or when receiving the second abnormal time-frequency resource pool notified by another cell (such as a neighboring cell of the current cell) Select from the second abnormal time-frequency resource pool.
  • the time-frequency resource of the direct-connected communication of the interrupted terminal is restored; the time-frequency resource in the first abnormal time-frequency resource pool and the second abnormal time-frequency resource pool may be integrated to select, thereby ensuring that the interrupted terminal direct communication can be quickly restored. Ensure the continuity of the terminal direct communication.
  • FIG. 4 shows a schematic block diagram of a resource configuration system for terminal direct communication applicable to a terminal according to an embodiment of the present invention.
  • a resource configuration system 400 for terminal direct communication is applied to a terminal according to an embodiment of the present invention, and includes: a receiving unit 402, configured to receive a base station function in a cell where the terminal is currently located. The first abnormal time-frequency resource pool notified by the device, and/or the second abnormal time-frequency resource pool notified by the device with the base station function in the other cell; the selecting unit 404, configured to be in the terminal and the current cell When the device with the function of the base station is disconnected and the terminal direct communication is interrupted by the terminal, the first abnormal time-frequency resource pool and/or the second abnormal time-frequency resource pool are selected for use. Recovering the time-frequency resource of the interrupted terminal direct communication; the processing unit 406 is configured to recover the interrupted terminal direct communication by using the time-frequency resource selected by the selecting unit 404.
  • the device may be based on the device with the base station function in the current cell. Notifying the first abnormal time-frequency resource pool to select a time-frequency resource for recovering the interrupted terminal direct-connection communication; or when receiving the second abnormal time-frequency resource pool notified by another cell (such as a neighboring cell of the current cell) Selecting time-frequency resources for recovering the interrupted terminal direct communication from the second abnormal time-frequency resource pool; and synthesizing the time-frequency resources in the first abnormal time-frequency resource pool and the second abnormal time-frequency resource pool, thereby selecting Ensure that the interrupted terminal direct communication can be quickly restored to ensure the continuity of the terminal direct communication.
  • the present invention also proposes a terminal (not shown), comprising: the resource configuration system 400 for terminal direct communication shown in FIG.
  • the technical problem to be solved by the present invention is to reduce the interruption of the D2D communication process, thereby reducing the impact on the service level, especially when the D2D communication is used for public security, reducing the interruption, and ensuring the continuity of the service as much as possible. Significance.
  • the method for reducing D2D service interruption proposed by the present invention mainly includes:
  • Base station for convenience of description, the following examples are based on devices with base station functions; As described, those skilled in the art need to understand that a device having a base station function may be all devices having a base station function.
  • the base station of the cell may interact with the base station of the neighboring cell to acquire the mode B resource configuration information of the base station of the neighboring cell. Further, when it is determined that the D2D UE will move into the neighboring cell, the public part of the mode B resource of the local cell and the neighboring cell may be configured to the D2D UE as much as possible, and the D2D UE is notified to communicate in mode B.
  • the base station may configure the UE to return to mode A for communication; in another embodiment of the present invention, the UE may also instruct the base station to Configure resources to fall back to Mode A for D2D communication.
  • the UE can communicate in the mode B mode.
  • the resource pool used by the mode B (for the purpose of distinguishing, the following is performed by the dedicated resource pool)
  • the description may be a mode B resource shared by multiple UEs in one cell, or a mode B resource shared by multiple cells, and the dedicated resource pool may also be partially allocated from the resource pool of mode B for dedicated D2D communication interruption. Recovery.
  • the use of the dedicated resource pool may be determined by the base station allocation, and the basis for the base station allocation to determine the dedicated resource pool may include, but is not limited to, information of the UE. This information includes the importance or priority of the D2D service currently supported by the UE.
  • the base station may adjust the number of time-frequency resources in the dedicated resource pool according to the statistical result of the D2D communication interruption recovery, and the statistical process may require implicit or explicit reporting by the UE.
  • the implicit reporting here relies on the speculation of the base station.
  • the base station can infer the occurrence of the D2D interrupt recovery operation according to the signaling received during the recovery process of a complete radio link and the D2D communication state before the radio link is restored.
  • Explicit reporting is to reduce the signaling analysis load of the base station, that is, directly reported by the UE.
  • the D2D terminal selects from the dedicated resource pool to recover the interrupt.
  • the time-frequency resource of the D2D communication may be selected from a dedicated resource pool notified by the base station of the current cell, or may be selected from a dedicated resource pool notified by the base station of the neighboring cell.
  • the neighboring cell may be a cell to which the D2D terminal is to be moved.
  • the base station can adjust the number of mode A and mode B resources according to the number of terminals currently supporting D2D communication.
  • the allocation of the resources by the base station may be based on the information collected from the UE, including the frequency information of the D2D communication that is preferentially selected by the UE in combination with the current location, the type of the D2D communication service (eg, whether a large amount of data is generated), and the like.
  • the scheme in which the base station adjusts the quantity of the mode A and the mode B according to the number of terminals currently supporting the D2D communication may also be applicable to the resource pool allocation of the D2D discovery process.
  • the technical solution of the present invention can reduce the possibility of interruption of D2D communication, avoid D1D service interruption caused by the connection problem between the UE and the macro network due to network coverage or other reasons, and can improve the high quality and high reliability of the D2D terminal.
  • the present invention provides a new resource configuration scheme for terminal direct communication suitable for a device having a base station function, which can effectively reduce the probability of D2D communication interruption and ensure The continuity of the D2D communication service ensures that the D2D terminal has higher communication quality when performing D2D communication.

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Abstract

本发明提供了一种用于终端直连通信的资源配置方法、系统、具有基站功能的设备和终端，适用于具有基站功能的设备的用于终端直连通信的资源配置方法，包括：获取具有基站功能的设备的时频资源的使用情况，和/或具有基站功能的设备的覆盖范围内的每个D2D终端的状态信息；根据具有基站功能的设备的时频资源的使用情况和/或每个D2D终端的状态信息，确定为每个D2D终端配置时频资源的配置模式；根据所述配置模式向每个D2D终端分配用于终端直连通信的时频资源，以供所述每个D2D终端根据分配的所述时频资源进行终端直连通信。本发明的技术方案可以有效减少D2D通信中断的概率，保证D2D通信业务的连续性，同时能够确保D2D终端在进行D2D通信时具有较高的通信质量。

Description

资源配置方法、系统、具有基站功能的设备和终端 技术领域
本发明涉及通信技术领域，具体而言，涉及一种用于终端直连通信的资源配置方法、一种用于终端直连通信的资源配置系统、一种具有基站功能的设备和一种终端。
背景技术
随着移动终端的软硬件技术和无线通信技术的发展，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)逐渐成为一种重要的技术点。D2D技术主要包括D2D discovery(即发现阶段)和D2Dcommunication(即通信阶段)，D2D discovery与D2D communication是独立的业务，D2D communication允许两个UE直接通过特定的信道(sidelink channel)直接进行数据的发送和传输，而无需经过基站的传输。D2D通信可以用于商用的场景，也可以用于公共安全的场景，是目前很多国家和跨国公司都很重视的技术，也是未来可能对终端产品产生重大影响的技术。
D2D通信包括有网络覆盖和无网络覆盖两个场景。在有网络覆盖的场景下，D2D通信如果使用了宏网络侧的频谱资源，则需要网络侧对D2D通信的资源进行管控。现有技术针对网络覆盖下的场景已经有两种配置D2D通信所使用的时频资源的模式：一种是基于直接调度的D2D通信(以下简称模式A)，具体地，UE(User Equipment，用户设备)需要处于连接状态，基站通过信令指示发送方UE何时在哪个资源块上进行数据传输，这种资源的配置是基于每个UE的；另一种是基于共享资源的D2D通信(以下简称模式B)，基本思想是在一个小区覆盖下的UE，共用基站广播的一个时频资源池进行D2D通信。上述两种配置模式各自有各自 的优缺点，都是实际需要的方案。
目前，3GPP在讨论基于直接调度的D2D通信方案时，存在以下问题：当UE的宏网络覆盖不好时，有可能使得处于连接状态且使用模式A进行通信的UE在一定时间里无法从基站获得模式A的资源，在这段时间里，如果UE仍然要使用模式A的资源，则无法继续进行D2D通信，导致D2D通信的中断。
因此，如何能够减少D2D通信终端的概率，有效地保证D2D通信业务的连续性成为亟待解决的技术问题。
发明内容
本发明正是基于上述技术问题至少之一，提出了一种新的适用于具有基站功能的设备的用于终端直连通信的资源配置方案，可以有效减少D2D通信中断的概率，保证D2D通信业务的连续性，同时能够确保D2D终端在进行D2D通信时具有较高的通信质量。
有鉴于此，根据本发明的第一方面，提出了一种适用于具有基站功能的设备的用于终端直连通信的资源配置方法，包括：获取所述具有基站功能的设备的时频资源的使用情况，和/或所述具有基站功能的设备的覆盖范围内的每个D2D终端的状态信息；根据所述具有基站功能的设备的时频资源的使用情况和/或所述每个D2D终端的状态信息，确定为所述每个D2D终端配置时频资源的配置模式；根据所述配置模式向所述每个D2D终端分配用于终端直连通信的时频资源，以供所述每个D2D终端根据分配的所述时频资源进行终端直连通信。
在该技术方案中，通过根据具有基站功能的设备的覆盖范围内的每个D2D终端的状态信息确定为每个D2D终端配置时频资源的配置模式，使得能够在根据D2D终端的状态信息确定与D2D终端之间的通信质量较差时(如D2D终端移动到了小区的边缘区域)，可以确定采用预分配时频资源池的配置模式(即上述模式B)，由于D2D终端之间使用模式B的资源进行数据传输时，在短时间内与具有基站功能的设备失去连接并不意味着必须停止D2D传输，因此能够有效地减少D2D通信中断的概率，保 证D2D通信业务的连续性。
通过根据具有基站功能的设备的时频资源的使用情况确定为每个D2D终端配置时频资源的配置模式，使得能够灵活地根据具有基站功能的设备当前能够用于D2D通信的时频资源量确定为D2D终端配置时频资源的配置模式，如在能够用于D2D通信的时频资源量较多时，采用直接调度每个D2D终端的配置模式(尤其是处于小区中心位置的D2D终端)，以确保每个D2D终端在进行D2D通信时具有较高的通信质量。
当然，具有基站功能的设备在确定为D2D终端配置时频资源的配置模式时，可以综合考虑上述两个方面，以在保证D2D通信业务连续性的前提下，确保D2D通信具有较高的通信质量。
本领域的技术人员需要理解的是：本发明中所述的具有基站功能的设备包括：宏基站和通过通信设备(如智能手机等)实现的微小区基站等。
在本发明的一个实施例中，根据所述具有基站功能的设备的时频资源的使用情况确定所述配置模式的步骤具体为：判断所述具有基站功能的设备能够调度的用于传输上行数据的时频资源中适用于终端直连通信的时频资源的数量是否大于或等于预定数量；在判定适用于终端直连通信的时频资源的数量大于或等于所述预定数量时，确定采用直接调度所述每个D2D终端的时频资源的配置模式。
如上所述，通过在判定适用于D2D通信的时频资源的数量较多时，采用直接调度每个D2D终端的配置模式，可以确保每个D2D终端在进行D2D通信时具有较高的通信质量。
在本发明的另一个实施例中，根据所述每个D2D终端的状态信息确定为所述每个D2D终端配置时频资源的配置模式的步骤具体为：根据所述每个D2D终端的位置信息判断所述每个D2D终端是否处于所述具有基站功能的设备的覆盖范围的边缘区域；在判定任一D2D终端处于所述具有基站功能的设备的覆盖范围的边缘区域内时，确定采用预分配时频资源池的配置模式向所述任一D2D终端分配时频资源。
在该实施例中，当确定D2D终端处于具有基站功能的设备的覆盖范围的边缘区域时，D2D终端与具有基站功能的设备之间的通信质量可能较 差，而通过采用预分配时频资源池的配置模式，可以避免在D2D终端与具有基站功能的设备之间的通信质量较差时也采用直接调度的配置模式(即模式A)而造成D2D通信中断的问题。
在上述技术方案中，优选地，根据预分配时频资源池的配置模式向所述任一D2D终端分配用于终端直连通信的时频资源的步骤具体为：根据所述任一D2D终端的运动状态，预估所述任一D2D终端将要进入的目标小区；根据所述具有基站功能的设备配置用于终端直连通信的第一时频资源池，以及所述目标小区的具有基站功能的设备配置的用于终端直连通信的第二时频资源池，选择所述第一时频资源池和所述第二时频资源池中的公共时频资源作为所述预分配时频资源池内的时频资源；将所述预分配时频资源池通知给所述任一D2D终端，以供所述任一D2D终端在所述预分配时频资源池中选择用于进行终端直连通信的时频资源。
在该技术方案中，通过在确定D2D终端将要进入其他小区(即目标小区)时，选择上述第一时频资源池和第二时频资源池内的公共时频资源作为预分配时频资源池内的时频资源，使得在D2D终端在从一个小区移动到另一个小区时，能够根据两个小区配置的用于终端直连通信的公共时频资源进行D2D通信，进而能够保证D2D终端在小区之间切换时的D2D通信业务的连续性。
在上述技术方案中，优选地，还包括：根据所述每个D2D终端的运动状态，判断所述每个D2D终端是否靠近所述具有基站功能的设备的覆盖范围的中心运动；在判定任一D2D终端靠近所述具有基站功能的设备的覆盖范围的中心运动时，将所述预分配时频资源池的配置模式切换为采用直接调度所述每个D2D终端的时频资源的配置模式。
在该技术方案中，通过在确定D2D终端从小区边缘向小区中心移动时，将预分配时频资源池的配置模式切换为采用直接调度每个D2D终端的时频资源的配置模式，即将模式B切换为模式A，使得能够在与D2D终端的通信质量较优时(相比于D2D终端在小区边缘的通信质量)，能够采用直接调度D2D终端的时频资源的配置模式，以保证D2D终端在进行D2D通信时具有较高的通信质量。
在上述技术方案中，优选地，还包括：在接收到任一D2D终端发送的对指定配置模式的请求指令时，将当前采用的向所述任一D2D终端分配用于终端直连通信的时频资源的配置模式切换为所述指定配置模式。
在该技术方案中，D2D终端也可以直接通知具有基站功能的设备为其配置D2D通信的时频资源时的配置模式。具体地，如D2D终端可以根据其进行的D2D通信的重要性等信息主动请求具有基站功能的设备为其配置时频资源的配置模式，以确保具有基站功能的设备为D2D终端分配的配置模式能够更好地满足D2D终端的实际需求。
在上述技术方案中，优选地，还包括：向所述每个D2D终端通知所述具有基站功能的设备配置的异常时频资源池，以供所述每个D2D终端在与所述具有基站功能的设备断开连接时从所述异常时频资源池中选择用于恢复中断的终端直连通信的时频资源。
在该技术方案中，通过向每个D2D终端通知异常时频资源池，使得在D2D终端与具有基站功能的设置之间的通信出现异常情况并且还未切换至预分配时频资源池的配置模式时(如在从模式A切换至模式B的过程中发生了通信异常)，能够通过异常时频资源池内的时频资源保持D2D通信的连续性。需要注意的是：D2D终端在从异常时频资源池中选择用于恢复中断的终端直连通信的时频资源时，可以从当前小区的具有基站功能的设备通知的异常时频资源池中选择，也可以从邻小区的具有基站功能的设备通知的异常时频资源池中选择。
在上述技术方案中，优选地，还包括：根据所述每个D2D终端所处理的D2D业务的重要性和所述D2D业务的优先级配置所述异常时频资源池。
在上述技术方案中，优选地，还包括：根据所述每个D2D终端在与所述具有基站功能的设备断开连接后，中断的终端直连通信的恢复状况调整所述异常时频资源池中的时频资源的数量。
在该技术方案中，通过根据中断的D2D通信的恢复情况调整异常时频资源池内的时频资源的数量，使得能够在中断的D2D通信恢复较多时，能够适当减少异常时频资源池内的时频资源数量，以确保时频资源的 最大利用率。
在上述技术方案中，优选地，还包括：接收与无线链路恢复过程相关的信令，以根据所述与无线链路恢复过程相关的信令确定所述中断的终端直连通信的恢复状况；和/或接收所述每个D2D终端上报的所述中断的终端直连通信的恢复状况。
换句话说，一方面具有基站功能的设备可以根据无线链路恢复过程中所接收到的信令确定中断的D2D通信的恢复情况；另一方面，为了减小具有基站功能的设备的分析负荷，具有基站功能的设备可以仅接收D2D终端上报的中断的终端直连通信的恢复状况。
在上述技术方案中，优选地，还包括：根据待进行调度的D2D终端的数量，调整每个所述配置模式下的时频资源的数量。
在该技术方案中，具体地，若待调度的D2D终端的数量较多，则为了降低具有基站功能的设备的负荷，可以调度较多的D2D终端使用模式B选择时频资源，则可以增加模式B下的时频资源数量；若待调度的D2D终端的数量较少，则为了提高D2D通信的质量，可以调度较多的D2D终端使用模式A选择时频资源，则可以增加模式A下的时频资源数量。
根据本发明的第二方面，还提出了一种适用于具有基站功能的设备的用于终端直连通信的资源配置系统，包括：获取单元，用于获取所述具有基站功能的设备的时频资源的使用情况，和/或获取所述具有基站功能的设备的覆盖范围内的每个D2D终端的状态信息；处理单元，用于根据所述具有基站功能的设备的时频资源的使用情况和/或所述每个D2D终端的状态信息，确定为所述每个D2D终端配置时频资源的配置模式；分配单元，用于根据所述配置模式向所述每个D2D终端分配用于终端直连通信的时频资源，以供所述每个D2D终端根据分配的所述时频资源进行终端直连通信。
在该技术方案中，通过根据具有基站功能的设备的覆盖范围内的每个D2D终端的状态信息确定为每个D2D终端配置时频资源的配置模式，使得能够在根据D2D终端的状态信息确定与D2D终端之间的通信质量较差 时(如D2D终端移动到了小区的边缘区域)，可以确定采用预分配时频资源池的配置模式(即上述模式B)，由于D2D终端之间使用模式B的资源进行数据传输时，在短时间内与具有基站功能的设备失去连接并不意味着必须停止D2D传输，因此能够有效地减少D2D通信中断的概率，保证D2D通信业务的连续性。
通过根据具有基站功能的设备的时频资源的使用情况确定为每个D2D终端配置时频资源的配置模式，使得能够灵活地根据具有基站功能的设备当前能够用于D2D通信的时频资源量确定为D2D终端配置时频资源的配置模式，如在能够用于D2D通信的时频资源量较多时，采用直接调度每个D2D终端的配置模式，以确保每个D2D终端在进行D2D通信时具有较高的通信质量。
当然，具有基站功能的设备在确定为D2D终端配置时频资源的配置模式时，可以综合考虑上述两个方面，以在保证D2D通信业务连续性的前提下，确保D2D通信具有较高的通信质量。
本领域的技术人员需要理解的是：本发明中所述的具有基站功能的设备包括：宏基站和通过通信设备(如智能手机等)实现的微小区基站等。
在本发明的一个实施例中，所述处理单元包括：第一判断单元，用于判断所述具有基站功能的设备能够调度的用于传输上行数据的时频资源中适用于终端直连通信的时频资源的数量是否大于或等于预定数量；第一确定单元，用于在所述第一判断单元判定适用于终端直连通信的时频资源的数量大于或等于所述预定数量时，确定采用直接调度所述每个D2D终端的时频资源的配置模式。
如上所述，通过在判定适用于D2D通信的时频资源的数量较多时，采用直接调度每个D2D终端的配置模式，可以确保每个D2D终端在进行D2D通信时具有较高的通信质量。
在本发明的另一个实施例中，所述处理单元包括：第二判断单元，用于根据所述每个D2D终端的位置信息判断所述每个D2D终端是否处于所述具有基站功能的设备的覆盖范围的边缘区域；第二确定单元，用于在所述第二判断单元判定任一D2D终端处于所述具有基站功能的设备的覆盖 范围的边缘区域内时，确定采用预分配时频资源池的配置模式向所述任一D2D终端分配时频资源。
在该实施例中，当确定D2D终端处于具有基站功能的设备的覆盖范围的边缘区域时，D2D终端与具有基站功能的设备之间的通信质量可能较差，而通过采用预分配时频资源池的配置模式，可以避免在D2D终端与具有基站功能的设备之间的通信质量较差时也采用直接调度的配置模式(即模式A)而造成D2D通信中断的问题。
在上述技术方案中，优选地，所述分配单元包括：分析单元，用于根据所述任一D2D终端的运动状态，预估所述任一D2D终端将要进入的目标小区；选择单元，用于根据所述具有基站功能的设备配置用于终端直连通信的第一时频资源池，以及所述目标小区的具有基站功能的设备配置的用于终端直连通信的第二时频资源池，选择所述第一时频资源池和所述第二时频资源池中的公共时频资源作为所述预分配时频资源池内的时频资源；第一通知单元，用于将所述预分配时频资源池通知给所述任一D2D终端，以供所述任一D2D终端在所述预分配时频资源池中选择用于进行终端直连通信的时频资源。
在该技术方案中，通过在确定D2D终端将要进入其他小区(即目标小区)时，选择上述第一时频资源池和第二时频资源池内的公共时频资源作为预分配时频资源池内的时频资源，使得在D2D终端在从一个小区移动到另一个小区时，能够根据两个小区配置的用于终端直连通信的公共时频资源进行D2D通信，进而能够保证D2D终端在小区之间切换时的D2D通信业务的连续性。
在上述技术方案中，优选地，还包括：第三判断单元，用于根据所述每个D2D终端的运动状态，判断所述每个D2D终端是否靠近所述具有基站功能的设备的覆盖范围的中心运动；第一切换单元，用于在所述第三判断单元判定任一D2D终端靠近所述具有基站功能的设备的覆盖范围的中心运动时，将所述预分配时频资源池的配置模式切换为采用直接调度所述每个D2D终端的时频资源的配置模式。
在该技术方案中，通过在确定D2D终端从小区边缘向小区中心移动 时，将预分配时频资源池的配置模式切换为采用直接调度每个D2D终端的时频资源的配置模式，即将模式B切换为模式A，使得能够在与D2D终端的通信质量较优时(相比于D2D终端在小区边缘的通信质量)，能够采用直接调度D2D终端的时频资源的配置模式，以保证D2D终端在进行D2D通信时具有较高的通信质量。
在上述技术方案中，优选地，还包括：第二切换单元，用于在接收到任一D2D终端发送的对指定配置模式的请求指令时，将当前采用的向所述任一D2D终端分配用于终端直连通信的时频资源的配置模式切换为所述指定配置模式。
在该技术方案中，D2D终端也可以直接通知具有基站功能的设备为其配置D2D通信的时频资源时的配置模式。具体地，如D2D终端可以根据其进行的D2D通信的重要性等信息主动请求具有基站功能的设备为其配置时频资源的配置模式，以确保具有基站功能的设备为D2D终端分配的配置模式能够更好地满足D2D终端的实际需求。
在上述技术方案中，优选地，还包括：第二通知单元，用于向所述每个D2D终端通知所述具有基站功能的设备配置的异常时频资源池，以供所述每个D2D终端在与所述具有基站功能的设备断开连接时从所述异常时频资源池中选择用于恢复中断的终端直连通信的时频资源。
在该技术方案中，通过向每个D2D终端通知异常时频资源池，使得在D2D终端与具有基站功能的设置之间的通信出现异常情况并且还未切换至预分配时频资源池的配置模式时(如在从模式A切换至模式B的过程中发生了通信异常)，能够通过异常时频资源池内的时频资源保持D2D通信的连续性。需要注意的是：D2D终端在从异常时频资源池中选择用于恢复中断的终端直连通信的时频资源时，可以从当前小区的具有基站功能的设备通知的异常时频资源池中选择，也可以从邻小区的具有基站功能的设备通知的异常时频资源池中选择。
在上述技术方案中，优选地，还包括：配置单元，用于根据所述每个D2D终端所处理的D2D业务的重要性和所述D2D业务的优先级配置所述异常时频资源池。
在上述技术方案中，优选地，还包括：第一调整单元，用于根据所述每个D2D终端在与所述具有基站功能的设备断开连接后，中断的终端直连通信的恢复状况调整所述异常时频资源池中的时频资源的数量。
在该技术方案中，通过根据中断的D2D通信的恢复情况调整异常时频资源池内的时频资源的数量，使得能够在中断的D2D通信恢复较多时，能够适当减少异常时频资源池内的时频资源数量，以确保时频资源的最大利用率。
在上述技术方案中，优选地，还包括：第一接收单元，用于接收与无线链路恢复过程相关的信令；第三确定单元，用于以根据所述与无线链路恢复过程相关的信令确定所述中断的终端直连通信的恢复状况；和/或第二接收单元，用于接收所述每个D2D终端上报的所述中断的终端直连通信的恢复状况。
换句话说，一方面具有基站功能的设备可以根据无线链路恢复过程中所接收到的信令确定中断的D2D通信的恢复情况；另一方面，为了减小具有基站功能的设备的分析负荷，具有基站功能的设备可以仅接收D2D终端上报的中断的终端直连通信的恢复状况。
在上述技术方案中，优选地，还包括：第二调整单元，用于根据待进行调度的D2D终端的数量，调整每个所述配置模式下的时频资源的数量。
在该技术方案中，具体地，若待调度的D2D终端的数量较多，则为了降低具有基站功能的设备的负荷，可以调度较多的D2D终端使用模式B选择时频资源，则可以增加模式B下的时频资源数量；若待调度的D2D终端的数量较少，则为了提高D2D通信的质量，可以调度较多的D2D终端使用模式A选择时频资源，则可以增加模式A下的时频资源数量。
根据本发明的第三方面，还提出了一种具有基站功能的设备，包括：上述任一项技术方案中所述的用于终端直连通信的资源配置系统。
根据本发明的第四方面，提出了一种适用于终端的终端直连通信的资源配置方法，包括：接收所述终端当前所处小区内的具有基站功能的设备 通知的第一异常时频资源池，和/或接收其他小区内的具有基站功能的设备通知的第二异常时频资源池；在所述终端与当前所处小区内的具有基站功能的设备断开连接而导致所述终端进行的终端直连通信中断时，从所述第一异常时频资源池和/或所述第二异常时频资源池中选择用于恢复中断的终端直连通信的时频资源；通过选择出的时频资源恢复所述中断的终端直连通信。
在该技术方案中，若终端与当前所处小区内的具有基站功能的设备断开连接而导致终端进行的终端直连通信中断时，既可以根据当前所处小区内的具有基站功能的设备之前通知的第一异常时频资源池选择用于恢复中断的终端直连通信的时频资源；也可以在接收到其他小区(如当前小区的邻小区)通知的第二异常时频资源池时，从第二异常时频资源池中选择用于恢复中断的终端直连通信的时频资源；还可以综合第一异常时频资源池和第二异常时频资源池内的时频资源进行选择，从而确保能够快速恢复中断的终端直连通信，保证终端直连通信的连续性。
根据本发明的第五方面，提出了一种适用于终端的用于终端直连通信的资源配置系统，包括：接收单元，用于接收所述终端当前所处小区内的具有基站功能的设备通知的第一异常时频资源池，和/或接收其他小区内的具有基站功能的设备通知的第二异常时频资源池；选择单元，用于在所述终端与当前所处小区内的具有基站功能的设备断开连接而导致所述终端进行的终端直连通信中断时，从所述第一异常时频资源池和/或所述第二异常时频资源池中选择用于恢复中断的终端直连通信的时频资源；处理单元，用于通过所述选择单元选择出的时频资源恢复所述中断的终端直连通信。
在该技术方案中，若终端与当前所处小区内的具有基站功能的设备断开连接而导致终端进行的终端直连通信中断时，既可以根据当前所处小区内的具有基站功能的设备之前通知的第一异常时频资源池选择用于恢复中断的终端直连通信的时频资源；也可以在接收到其他小区(如当前小区的邻小区)通知的第二异常时频资源池时，从第二异常时频资源池中选择用于恢复中断的终端直连通信的时频资源；还可以综合第一异常时频资源池 和第二异常时频资源池内的时频资源进行选择，从而确保能够快速恢复中断的终端直连通信，保证终端直连通信的连续性。
根据本发明的第六方面，还提出了一种终端，包括：上述适用于终端的用于终端直连通信的资源配置系统。
通过以上技术方案，可以有效减少D2D通信中断的概率，保证D2D通信业务的连续性，同时能够确保D2D终端在进行D2D通信时具有较高的通信质量。
附图说明
图1示出了根据本发明的实施例的适用于具有基站功能的设备的用于终端直连通信的资源配置方法的示意流程图；
图2示出了根据本发明的实施例的适用于具有基站功能的设备的用于终端直连通信的资源配置系统的示意框图；
图3示出了根据本发明的实施例的适用于终端的用于终端直连通信的资源配置方法的示意流程图；
图4示出了根据本发明的实施例的适用于终端的用于终端直连通信的资源配置系统的示意框图。
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1示出了根据本发明的实施例的适用于具有基站功能的设备的用于终端直连通信的资源配置方法的示意流程图。
如图1所示，根据本发明的实施例的适用于具有基站功能的设备的用于终端直连通信的资源配置方法，包括：步骤102，获取所述具有基站功 能的设备的时频资源的使用情况，和/或所述具有基站功能的设备的覆盖范围内的每个D2D终端的状态信息；步骤104，根据所述具有基站功能的设备的时频资源的使用情况和/或所述每个D2D终端的状态信息，确定为所述每个D2D终端配置时频资源的配置模式；步骤106，根据所述配置模式向所述每个D2D终端分配用于终端直连通信的时频资源，以供所述每个D2D终端根据分配的所述时频资源进行终端直连通信。
在该技术方案中，通过根据具有基站功能的设备的覆盖范围内的每个D2D终端的状态信息确定为每个D2D终端配置时频资源的配置模式，使得能够在根据D2D终端的状态信息确定与D2D终端之间的通信质量较差时(如D2D终端移动到了小区的边缘区域)，可以确定采用预分配时频资源池的配置模式(即上述模式B)，由于D2D终端之间使用模式B的资源进行数据传输时，在短时间内与具有基站功能的设备失去连接并不意味着必须停止D2D传输，因此能够有效地减少D2D通信中断的概率，保证D2D通信业务的连续性。
通过根据具有基站功能的设备的时频资源的使用情况确定为每个D2D终端配置时频资源的配置模式，使得能够灵活地根据具有基站功能的设备当前能够用于D2D通信的时频资源量确定为D2D终端配置时频资源的配置模式，如在能够用于D2D通信的时频资源量较多时，采用直接调度每个D2D终端的配置模式，以确保每个D2D终端在进行D2D通信时具有较高的通信质量。
当然，具有基站功能的设备在确定为D2D终端配置时频资源的配置模式时，可以综合考虑上述两个方面，以在保证D2D通信业务连续性的前提下，确保D2D通信具有较高的通信质量。
本领域的技术人员需要理解的是：本发明中所述的具有基站功能的设备包括：宏基站和通过通信设备(如智能手机等)实现的微小区基站等。
在本发明的一个实施例中，根据所述具有基站功能的设备的时频资源的使用情况确定所述配置模式的步骤具体为：判断所述具有基站功能的设备能够调度的用于传输上行数据的时频资源中适用于终端直连通信的时频资源的数量是否大于或等于预定数量；在判定适用于终端直连通信的时频 资源的数量大于或等于所述预定数量时，确定采用直接调度所述每个D2D终端的时频资源的配置模式。
如上所述，通过在判定适用于D2D通信的时频资源的数量较多时，采用直接调度每个D2D终端的配置模式，可以确保每个D2D终端在进行D2D通信时具有较高的通信质量。
在本发明的另一个实施例中，根据所述每个D2D终端的状态信息确定为所述每个D2D终端配置时频资源的配置模式的步骤具体为：根据所述每个D2D终端的位置信息判断所述每个D2D终端是否处于所述具有基站功能的设备的覆盖范围的边缘区域；在判定任一D2D终端处于所述具有基站功能的设备的覆盖范围的边缘区域内时，确定采用预分配时频资源池的配置模式向所述任一D2D终端分配时频资源。
在该实施例中，当确定D2D终端处于具有基站功能的设备的覆盖范围的边缘区域时，D2D终端与具有基站功能的设备之间的通信质量可能较差，而通过采用预分配时频资源池的配置模式，可以避免在D2D终端与具有基站功能的设备之间的通信质量较差时也采用直接调度的配置模式(即模式A)而造成D2D通信中断的问题。
在上述技术方案中，优选地，根据预分配时频资源池的配置模式向所述任一D2D终端分配用于终端直连通信的时频资源的步骤具体为：根据所述任一D2D终端的运动状态，预估所述任一D2D终端将要进入的目标小区；根据所述具有基站功能的设备配置用于终端直连通信的第一时频资源池，以及所述目标小区的具有基站功能的设备配置的用于终端直连通信的第二时频资源池，选择所述第一时频资源池和所述第二时频资源池中的公共时频资源作为所述预分配时频资源池内的时频资源；将所述预分配时频资源池通知给所述任一D2D终端，以供所述任一D2D终端在所述预分配时频资源池中选择用于进行终端直连通信的时频资源。
在该技术方案中，通过在确定D2D终端将要进入其他小区(即目标小区)时，选择上述第一时频资源池和第二时频资源池内的公共时频资源作为预分配时频资源池内的时频资源，使得在D2D终端在从一个小区移动到另一个小区时，能够根据两个小区配置的用于终端直连通信的公共时 频资源进行D2D通信，进而能够保证D2D终端在小区之间切换时的D2D通信业务的连续性。
在上述技术方案中，优选地，还包括：根据所述每个D2D终端的运动状态，判断所述每个D2D终端是否靠近所述具有基站功能的设备的覆盖范围的中心运动；在判定任一D2D终端靠近所述具有基站功能的设备的覆盖范围的中心运动时，将所述预分配时频资源池的配置模式切换为采用直接调度所述每个D2D终端的时频资源的配置模式。
在该技术方案中，通过在确定D2D终端从小区边缘向小区中心移动时，将预分配时频资源池的配置模式切换为采用直接调度每个D2D终端的时频资源的配置模式，即将模式B切换为模式A，使得能够在与D2D终端的通信质量较优时(相比于D2D终端在小区边缘的通信质量)，能够采用直接调度D2D终端的时频资源的配置模式，以保证D2D终端在进行D2D通信时具有较高的通信质量。
在上述技术方案中，优选地，还包括：在接收到任一D2D终端发送的对指定配置模式的请求指令时，将当前采用的向所述任一D2D终端分配用于终端直连通信的时频资源的配置模式切换为所述指定配置模式。
在该技术方案中，D2D终端也可以直接通知具有基站功能的设备为其配置D2D通信的时频资源时的配置模式。具体地，如D2D终端可以根据其进行的D2D通信的重要性等信息主动请求具有基站功能的设备为其配置时频资源的配置模式，以确保具有基站功能的设备为D2D终端分配的配置模式能够更好地满足D2D终端的实际需求。
在上述技术方案中，优选地，还包括：向所述每个D2D终端通知所述具有基站功能的设备配置的异常时频资源池，以供所述每个D2D终端在与所述具有基站功能的设备断开连接时从所述异常时频资源池中选择用于恢复中断的终端直连通信的时频资源。
在该技术方案中，通过向每个D2D终端通知异常时频资源池，使得在D2D终端与具有基站功能的设置之间的通信出现异常情况并且还未切换至预分配时频资源池的配置模式时(如在从模式A切换至模式B的过程中发生了通信异常)，能够通过异常时频资源池内的时频资源保持D2D 通信的连续性。需要注意的是：D2D终端在从异常时频资源池中选择用于恢复中断的终端直连通信的时频资源时，可以从当前小区的具有基站功能的设备通知的异常时频资源池中选择，也可以从邻小区的具有基站功能的设备通知的异常时频资源池中选择。
在上述技术方案中，优选地，还包括：根据所述每个D2D终端所处理的D2D业务的重要性和所述D2D业务的优先级配置所述异常时频资源池。
在上述技术方案中，优选地，还包括：根据所述每个D2D终端在与所述具有基站功能的设备断开连接后，中断的终端直连通信的恢复状况调整所述异常时频资源池中的时频资源的数量。
在该技术方案中，通过根据中断的D2D通信的恢复情况调整异常时频资源池内的时频资源的数量，使得能够在中断的D2D通信恢复较多时，能够适当减少异常时频资源池内的时频资源数量，以确保时频资源的最大利用率。
在上述技术方案中，优选地，还包括：接收与无线链路恢复过程相关的信令，以根据所述与无线链路恢复过程相关的信令确定所述中断的终端直连通信的恢复状况；和/或接收所述每个D2D终端上报的所述中断的终端直连通信的恢复状况。
换句话说，一方面具有基站功能的设备可以根据无线链路恢复过程中所接收到的信令确定中断的D2D通信的恢复情况；另一方面，为了减小具有基站功能的设备的分析负荷，具有基站功能的设备可以仅接收D2D终端上报的中断的终端直连通信的恢复状况。
在上述技术方案中，优选地，还包括：根据待进行调度的D2D终端的数量，调整每个所述配置模式下的时频资源的数量。
在该技术方案中，具体地，若待调度的D2D终端的数量较多，则为了降低具有基站功能的设备的负荷，可以调度较多的D2D终端使用模式B选择时频资源，则可以增加模式B下的时频资源数量；若待调度的D2D终端的数量较少，则为了提高D2D通信的质量，可以调度较多的D2D终端使用模式A选择时频资源，则可以增加模式A下的时频资源数 量。
图2示出了根据本发明的实施例的适用于具有基站功能的设备的用于终端直连通信的资源配置系统的示意框图。
如图2所示，根据本发明的实施例的适用于具有基站功能的设备的用于终端直连通信的资源配置系统200，包括：获取单元202，用于获取所述具有基站功能的设备的时频资源的使用情况，和/或获取所述具有基站功能的设备的覆盖范围内的每个D2D终端的状态信息；处理单元204，用于根据所述具有基站功能的设备的时频资源的使用情况和/或所述每个D2D终端的状态信息，确定为所述每个D2D终端配置时频资源的配置模式；分配单元206，用于根据所述配置模式向所述每个D2D终端分配用于终端直连通信的时频资源，以供所述每个D2D终端根据分配的所述时频资源进行终端直连通信。
在该技术方案中，通过根据具有基站功能的设备的覆盖范围内的每个D2D终端的状态信息确定为每个D2D终端配置时频资源的配置模式，使得能够在根据D2D终端的状态信息确定与D2D终端之间的通信质量较差时(如D2D终端移动到了小区的边缘区域)，可以确定采用预分配时频资源池的配置模式(即上述模式B)，由于D2D终端之间使用模式B的资源进行数据传输时，在短时间内与具有基站功能的设备失去连接并不意味着必须停止D2D传输，因此能够有效地减少D2D通信中断的概率，保证D2D通信业务的连续性。
通过根据具有基站功能的设备的时频资源的使用情况确定为每个D2D终端配置时频资源的配置模式，使得能够灵活地根据具有基站功能的设备当前能够用于D2D通信的时频资源量确定为D2D终端配置时频资源的配置模式，如在能够用于D2D通信的时频资源量较多时，采用直接调度每个D2D终端的配置模式，以确保每个D2D终端在进行D2D通信时具有较高的通信质量。
当然，具有基站功能的设备在确定为D2D终端配置时频资源的配置模式时，可以综合考虑上述两个方面，以在保证D2D通信业务连续性的前提下，确保D2D通信具有较高的通信质量。
本领域的技术人员需要理解的是：本发明中所述的具有基站功能的设备包括：宏基站和通过通信设备(如智能手机等)实现的微小区基站等。
在本发明的一个实施例中，所述处理单元204包括：第一判断单元2042，用于判断所述具有基站功能的设备能够调度的用于传输上行数据的时频资源中适用于终端直连通信的时频资源的数量是否大于或等于预定数量；第一确定单元2044，用于在所述第一判断单元2042判定适用于终端直连通信的时频资源的数量大于或等于所述预定数量时，确定采用直接调度所述每个D2D终端的时频资源的配置模式。
如上所述，通过在判定适用于D2D通信的时频资源的数量较多时，采用直接调度每个D2D终端的配置模式，可以确保每个D2D终端在进行D2D通信时具有较高的通信质量。
在本发明的另一个实施例中，所述处理单元204包括：第二判断单元2046，用于根据所述每个D2D终端的位置信息判断所述每个D2D终端是否处于所述具有基站功能的设备的覆盖范围的边缘区域；第二确定单元2048，用于在所述第二判断单元2046判定任一D2D终端处于所述具有基站功能的设备的覆盖范围的边缘区域内时，确定采用预分配时频资源池的配置模式向所述任一D2D终端分配时频资源。
在该实施例中，当确定D2D终端处于具有基站功能的设备的覆盖范围的边缘区域时，D2D终端与具有基站功能的设备之间的通信质量可能较差，而通过采用预分配时频资源池的配置模式，可以避免在D2D终端与具有基站功能的设备之间的通信质量较差时也采用直接调度的配置模式(即模式A)而造成D2D通信中断的问题。
在上述技术方案中，优选地，所述分配单元206包括：分析单元2062，用于根据所述任一D2D终端的运动状态，预估所述任一D2D终端将要进入的目标小区；选择单元2064，用于根据所述具有基站功能的设备配置用于终端直连通信的第一时频资源池，以及所述目标小区的具有基站功能的设备配置的用于终端直连通信的第二时频资源池，选择所述第一时频资源池和所述第二时频资源池中的公共时频资源作为所述预分配时频资源池内的时频资源；第一通知单元2066，用于将所述预分配时频资源 池通知给所述任一D2D终端，以供所述任一D2D终端在所述预分配时频资源池中选择用于进行终端直连通信的时频资源。
在该技术方案中，通过在确定D2D终端将要进入其他小区(即目标小区)时，选择上述第一时频资源池和第二时频资源池内的公共时频资源作为预分配时频资源池内的时频资源，使得在D2D终端在从一个小区移动到另一个小区时，能够根据两个小区配置的用于终端直连通信的公共时频资源进行D2D通信，进而能够保证D2D终端在小区之间切换时的D2D通信业务的连续性。
在上述技术方案中，优选地，还包括：第三判断单元208，用于根据所述每个D2D终端的运动状态，判断所述每个D2D终端是否靠近所述具有基站功能的设备的覆盖范围的中心运动；第一切换单元210，用于在所述第三判断单元208判定任一D2D终端靠近所述具有基站功能的设备的覆盖范围的中心运动时，将所述预分配时频资源池的配置模式切换为采用直接调度所述每个D2D终端的时频资源的配置模式。
在该技术方案中，通过在确定D2D终端从小区边缘向小区中心移动时，将预分配时频资源池的配置模式切换为采用直接调度每个D2D终端的时频资源的配置模式，即将模式B切换为模式A，使得能够在与D2D终端的通信质量较优时(相比于D2D终端在小区边缘的通信质量)，能够采用直接调度D2D终端的时频资源的配置模式，以保证D2D终端在进行D2D通信时具有较高的通信质量。
在上述技术方案中，优选地，还包括：第二切换单元212，用于在接收到任一D2D终端发送的对指定配置模式的请求指令时，将当前采用的向所述任一D2D终端分配用于终端直连通信的时频资源的配置模式切换为所述指定配置模式。
在该技术方案中，D2D终端也可以直接通知具有基站功能的设备为其配置D2D通信的时频资源时的配置模式。具体地，如D2D终端可以根据其进行的D2D通信的重要性等信息主动请求具有基站功能的设备为其配置时频资源的配置模式，以确保具有基站功能的设备为D2D终端分配的配置模式能够更好地满足D2D终端的实际需求。
在上述技术方案中，优选地，还包括：第二通知单元214，用于向所述每个D2D终端通知所述具有基站功能的设备配置的异常时频资源池，以供所述每个D2D终端在与所述具有基站功能的设备断开连接时从所述异常时频资源池中选择用于恢复中断的终端直连通信的时频资源。
在该技术方案中，通过向每个D2D终端通知异常时频资源池，使得在D2D终端与具有基站功能的设置之间的通信出现异常情况并且还未切换至预分配时频资源池的配置模式时(如在从模式A切换至模式B的过程中发生了通信异常)，能够通过异常时频资源池内的时频资源保持D2D通信的连续性。需要注意的是：D2D终端在从异常时频资源池中选择用于恢复中断的终端直连通信的时频资源时，可以从当前小区的具有基站功能的设备通知的异常时频资源池中选择，也可以从邻小区的具有基站功能的设备通知的异常时频资源池中选择。
在上述技术方案中，优选地，还包括：配置单元216，用于根据所述每个D2D终端所处理的D2D业务的重要性和所述D2D业务的优先级配置所述异常时频资源池。
在上述技术方案中，优选地，还包括：第一调整单元218，用于根据所述每个D2D终端在与所述具有基站功能的设备断开连接后，中断的终端直连通信的恢复状况调整所述异常时频资源池中的时频资源的数量。
在该技术方案中，通过根据中断的D2D通信的恢复情况调整异常时频资源池内的时频资源的数量，使得能够在中断的D2D通信恢复较多时，能够适当减少异常时频资源池内的时频资源数量，以确保时频资源的最大利用率。
在上述技术方案中，优选地，还包括：第一接收单元220，用于接收与无线链路恢复过程相关的信令；第三确定单元222，用于以根据所述与无线链路恢复过程相关的信令确定所述中断的终端直连通信的恢复状况；和/或
第二接收单元224，用于接收所述每个D2D终端上报的所述中断的终端直连通信的恢复状况。
换句话说，一方面具有基站功能的设备可以根据无线链路恢复过程中 所接收到的信令确定中断的D2D通信的恢复情况；另一方面，为了减小具有基站功能的设备的分析负荷，具有基站功能的设备可以仅接收D2D终端上报的中断的终端直连通信的恢复状况。
在上述技术方案中，优选地，还包括：第二调整单元226，用于根据待进行调度的D2D终端的数量，调整每个所述配置模式下的时频资源的数量。
在该技术方案中，具体地，若待调度的D2D终端的数量较多，则为了降低具有基站功能的设备的负荷，可以调度较多的D2D终端使用模式B选择时频资源，则可以增加模式B下的时频资源数量；若待调度的D2D终端的数量较少，则为了提高D2D通信的质量，可以调度较多的D2D终端使用模式A选择时频资源，则可以增加模式A下的时频资源数量。
本发明还提出了一种具有基站功能的设备(图中未示出)，包括：如图2所示的用于终端直连通信的资源配置系统200。
图3示出了根据本发明的实施例的适用于终端的用于终端直连通信的资源配置方法的示意流程图。
如图3所示，根据本发明的实施例的适用于终端的用于终端直连通信的资源配置方法，包括：步骤302，接收所述终端当前所处小区内的具有基站功能的设备通知的第一异常时频资源池，和/或接收其他小区内的具有基站功能的设备通知的第二异常时频资源池；步骤304，在所述终端与当前所处小区内的具有基站功能的设备断开连接而导致所述终端进行的终端直连通信中断时，从所述第一异常时频资源池和/或所述第二异常时频资源池中选择用于恢复中断的终端直连通信的时频资源；步骤306，通过选择出的时频资源恢复所述中断的终端直连通信。
在该技术方案中，若终端与当前所处小区内的具有基站功能的设备断开连接而导致终端进行的终端直连通信中断时，既可以根据当前所处小区内的具有基站功能的设备之前通知的第一异常时频资源池选择用于恢复中断的终端直连通信的时频资源；也可以在接收到其他小区(如当前小区的邻小区)通知的第二异常时频资源池时，从第二异常时频资源池中选择用 于恢复中断的终端直连通信的时频资源；还可以综合第一异常时频资源池和第二异常时频资源池内的时频资源进行选择，从而确保能够快速恢复中断的终端直连通信，保证终端直连通信的连续性。
图4示出了根据本发明的实施例的适用于终端的用于终端直连通信的资源配置系统的示意框图。
如图4所示，根据本发明的实施例的适用于终端的用于终端直连通信的资源配置系统400，包括：接收单元402，用于接收所述终端当前所处小区内的具有基站功能的设备通知的第一异常时频资源池，和/或接收其他小区内的具有基站功能的设备通知的第二异常时频资源池；选择单元404，用于在所述终端与当前所处小区内的具有基站功能的设备断开连接而导致所述终端进行的终端直连通信中断时，从所述第一异常时频资源池和/或所述第二异常时频资源池中选择用于恢复中断的终端直连通信的时频资源；处理单元406，用于通过所述选择单元404选择出的时频资源恢复所述中断的终端直连通信。
在该技术方案中，若终端与当前所处小区内的具有基站功能的设备断开连接而导致终端进行的终端直连通信中断时，既可以根据当前所处小区内的具有基站功能的设备之前通知的第一异常时频资源池选择用于恢复中断的终端直连通信的时频资源；也可以在接收到其他小区(如当前小区的邻小区)通知的第二异常时频资源池时，从第二异常时频资源池中选择用于恢复中断的终端直连通信的时频资源；还可以综合第一异常时频资源池和第二异常时频资源池内的时频资源进行选择，从而确保能够快速恢复中断的终端直连通信，保证终端直连通信的连续性。
本发明还提出了一种终端(图中未示出)，包括：图4所示的用于终端直连通信的资源配置系统400。
具体地，本发明所要解决的技术问题是减少D2D通信过程的中断，从而减少对业务层面的影响，尤其是在D2D通信用于公共安全时，减少中断，尽可能保证业务的连续性，具有十分重要的意义。
本发明提出了的减少D2D业务中断的方法主要包括：
1、基站(为便于描述，以下均以具有基站功能的设备为例进行阐 述，本领域的技术人员需要理解的是具有基站功能的设备可以是所有具有基站功能的设备)根据UE的特性和其他信息(如处于小区边缘还是中心，邻小区资源配置等)灵活选择D2D通信的模式。具体来说：若基站的上行资源有比较多的部分可以用于D2D通信，则对于小区中心的UE可以采用模式A的方式进行调度；若UE发生移动且逐渐接近小区边缘，则基站可以将UE的资源配置模式改为模式B。
2、若有D2D UE位于本小区的边缘，则本小区的基站可以与邻小区的基站进行交互，获取邻小区的基站的模式B资源配置信息。进而在判定D2D UE将移动到该邻小区内时，可以尽可能把本小区与邻近小区的模式B资源的公共部分配置给该D2D UE，并通知该D2D UE在模式B下进行通信。
若UE又重新回到本小区的中心，则在本发明的一个实施例中，基站可以配置UE重新回到模式A进行通信；在本发明的另一个实施例中，UE也可以指示基站为其配置资源，以回退到模式A进行D2D通信。
3、当D2D UE未被切换到模式B就与基站发生无线链路故障时，UE可以使用模式B的方式进行通信，该模式B所使用的资源池(为了便于区分，以下以专用资源池进行说明)可以是一个小区内的多个UE共享的模式B资源，或者是多个小区共享的模式B资源，专用资源池也可以是从模式B的资源池中划分出一部分专门用于D2D通信中断的恢复。
其中，专用资源池的使用可以由基站分配决定，基站分配决定专用资源池的依据可以包括但不限于UE的信息。这个信息包括UE当前所支持的D2D业务的重要性或者优先级。
此外，基站可以根据D2D通信中断恢复的统计结果来调整专用资源池中时频资源的数量，统计过程可能需要UE的隐式或者显式的汇报。这里隐式的汇报时依靠基站的推测，比如基站根据一个完整的无线链路恢复过程中所收到的信令，无线链路恢复前的D2D通信状态，可以推测出D2D中断恢复操作的发生；显式的汇报是为了减少基站的信令分析负荷，即由UE直接进行汇报。
需要注意的是：D2D终端在从专用资源池中选择用于恢复中断的 D2D通信的时频资源时，可以从当前小区的基站通知的专用资源池中选择，也可以从邻小区的基站通知的专用资源池中进行选择。其中，邻小区可以是D2D终端将要移动进入的小区。
4、基站可以根据当前所支持D2D通信的终端的数量来调整模式A和模式B资源的数量。具体地，基站对资源的分配可以基于从UE收集的信息，包括UE结合当前位置，筛选出的优选进行D2D通信的频点信息，D2D通信业务类型(如是否会产生大量的数据)等。其中，基站根据当前所支持D2D通信的终端的数量来调整模式A和模式B资源数量的方案也可以适用于D2D发现过程的资源池分配。
本发明的技术方案能够减少D2D通信发生中断的可能性，尽可能避免由于网络覆盖或其他原因导致的UE与宏网络的连接问题导致D2D业务被中断，能够提高为D2D终端提供高质量、高可靠性业务的能力和提升使用D2D终端的用户体验。
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适用于具有基站功能的设备的用于终端直连通信的资源配置方案，可以有效减少D2D通信中断的概率，保证D2D通信业务的连续性，同时能够确保D2D终端在进行D2D通信时具有较高的通信质量。
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 (24)

  1. 一种用于终端直连通信的资源配置方法，适用于具有基站功能的设备，其特征在于，包括：
    获取所述具有基站功能的设备的时频资源的使用情况，和/或所述具有基站功能的设备的覆盖范围内的每个D2D终端的状态信息；
    根据所述具有基站功能的设备的时频资源的使用情况和/或所述每个D2D终端的状态信息，确定为所述每个D2D终端配置时频资源的配置模式；
    根据所述配置模式向所述每个D2D终端分配用于终端直连通信的时频资源，以供所述每个D2D终端根据分配的所述时频资源进行终端直连通信。
  2. 根据权利要求1所述的用于终端直连通信的资源配置方法，其特征在于，根据所述具有基站功能的设备的时频资源的使用情况确定所述配置模式的步骤具体为：
    判断所述具有基站功能的设备能够调度的用于传输上行数据的时频资源中适用于终端直连通信的时频资源的数量是否大于或等于预定数量；
    在判定适用于终端直连通信的时频资源的数量大于或等于所述预定数量时，确定采用直接调度所述每个D2D终端的时频资源的配置模式。
  3. 根据权利要求1所述的用于终端直连通信的资源配置方法，其特征在于，根据所述每个D2D终端的状态信息确定为所述每个D2D终端配置时频资源的配置模式的步骤具体为：
    根据所述每个D2D终端的位置信息判断所述每个D2D终端是否处于所述具有基站功能的设备的覆盖范围的边缘区域；
    在判定任一D2D终端处于所述具有基站功能的设备的覆盖范围的边缘区域内时，确定采用预分配时频资源池的配置模式向所述任一D2D终端分配时频资源。
  4. 根据权利要求3所述的用于终端直连通信的资源配置方法，其特征在于，根据预分配时频资源池的配置模式向所述任一D2D终端分配用 于终端直连通信的时频资源的步骤具体为：
    根据所述任一D2D终端的运动状态，预估所述任一D2D终端将要进入的目标小区；
    根据所述具有基站功能的设备配置用于终端直连通信的第一时频资源池，以及所述目标小区的具有基站功能的设备配置的用于终端直连通信的第二时频资源池，选择所述第一时频资源池和所述第二时频资源池中的公共时频资源作为所述预分配时频资源池内的时频资源；
    将所述预分配时频资源池内通知给所述任一D2D终端，以供所述任一D2D终端在所述预分配时频资源池中选择用于进行终端直连通信的时频资源。
  5. 根据权利要求3所述的用于终端直连通信的资源配置方法，其特征在于，还包括：
    根据所述每个D2D终端的运动状态，判断所述每个D2D终端是否靠近所述具有基站功能的设备的覆盖范围的中心运动；
    在判定任一D2D终端靠近所述具有基站功能的设备的覆盖范围的中心运动时，将所述预分配时频资源池的配置模式切换为采用直接调度所述每个D2D终端的时频资源的配置模式。
  6. 根据权利要求2或3所述的用于终端直连通信的资源配置方法，其特征在于，还包括：
    在接收到任一D2D终端发送的对指定配置模式的请求指令时，将当前采用的向所述任一D2D终端分配用于终端直连通信的时频资源的配置模式切换为所述指定配置模式。
  7. 根据权利要求1至5中任一项所述的用于终端直连通信的资源配置方法，其特征在于，还包括：
    向所述每个D2D终端通知所述具有基站功能的设备配置的异常时频资源池，以供所述每个D2D终端在与所述具有基站功能的设备断开连接时从所述异常时频资源池中选择用于恢复中断的终端直连通信的时频资源。
  8. 根据权利要求7所述的用于终端直连通信的资源配置方法，其特 征在于，还包括：
    根据所述每个D2D终端所处理的D2D业务的重要性和所述D2D业务的优先级配置所述异常时频资源池；和/或
    根据所述每个D2D终端在与所述具有基站功能的设备断开连接后，中断的终端直连通信的恢复状况调整所述异常时频资源池中的时频资源的数量。
  9. 根据权利要求8所述的用于终端直连通信的资源配置方法，其特征在于，还包括：
    接收与无线链路恢复过程相关的信令，以根据所述与无线链路恢复过程相关的信令确定所述中断的终端直连通信的恢复状况；和/或
    接收所述每个D2D终端上报的所述中断的终端直连通信的恢复状况。
  10. 根据权利要求1至5中任一项所述的用于终端直连通信的资源配置方法，其特征在于，还包括：
    根据待进行调度的D2D终端的数量，调整每个所述配置模式下的时频资源的数量。
  11. 一种用于终端直连通信的资源配置系统，适用于具有基站功能的设备，其特征在于，包括：
    获取单元，用于获取所述具有基站功能的设备的时频资源的使用情况，和/或获取所述具有基站功能的设备的覆盖范围内的每个D2D终端的状态信息；
    处理单元，用于根据所述具有基站功能的设备的时频资源的使用情况和/或所述每个D2D终端的状态信息，确定为所述每个D2D终端配置时频资源的配置模式；
    分配单元，用于根据所述配置模式向所述每个D2D终端分配用于终端直连通信的时频资源，以供所述每个D2D终端根据分配的所述时频资源进行终端直连通信。
  12. 根据权利要求11所述的用于终端直连通信的资源配置系统，其特征在于，所述处理单元包括：
    第一判断单元，用于判断所述具有基站功能的设备能够调度的用于传输上行数据的时频资源中适用于终端直连通信的时频资源的数量是否大于或等于预定数量；
    第一确定单元，用于在所述第一判断单元判定适用于终端直连通信的时频资源的数量大于或等于所述预定数量时，确定采用直接调度所述每个D2D终端的时频资源的配置模式。
  13. 根据权利要求11所述的用于终端直连通信的资源配置系统，其特征在于，所述处理单元包括：
    第二判断单元，用于根据所述每个D2D终端的位置信息判断所述每个D2D终端是否处于所述具有基站功能的设备的覆盖范围的边缘区域；
    第二确定单元，用于在所述第二判断单元判定任一D2D终端处于所述具有基站功能的设备的覆盖范围的边缘区域内时，确定采用预分配时频资源池的配置模式向所述任一D2D终端分配时频资源。
  14. 根据权利要求13所述的用于终端直连通信的资源配置系统，其特征在于，所述分配单元包括：
    分析单元，用于根据所述任一D2D终端的运动状态，预估所述任一D2D终端将要进入的目标小区；
    选择单元，用于根据所述具有基站功能的设备配置用于终端直连通信的第一时频资源池，以及所述目标小区的具有基站功能的设备配置的用于终端直连通信的第二时频资源池，选择所述第一时频资源池和所述第二时频资源池中的公共时频资源作为所述预分配时频资源池内的时频资源；
    第一通知单元，用于将所述预分配时频资源池通知给所述任一D2D终端，以供所述任一D2D终端在所述预分配时频资源池中选择用于进行终端直连通信的时频资源。
  15. 根据权利要求13所述的用于终端直连通信的资源配置系统，其特征在于，还包括：
    第三判断单元，用于根据所述每个D2D终端的运动状态，判断所述每个D2D终端是否靠近所述具有基站功能的设备的覆盖范围的中心运动；
    第一切换单元，用于在所述第三判断单元判定任一D2D终端靠近所述具有基站功能的设备的覆盖范围的中心运动时，将所述预分配时频资源池的配置模式切换为采用直接调度所述每个D2D终端的时频资源的配置模式。
  16. 根据权利要求12或13所述的用于终端直连通信的资源配置系统，其特征在于，还包括：
    第二切换单元，用于在接收到任一D2D终端发送的对指定配置模式的请求指令时，将当前采用的向所述任一D2D终端分配用于终端直连通信的时频资源的配置模式切换为所述指定配置模式。
  17. 根据权利要求11至15中任一项所述的用于终端直连通信的资源配置系统，其特征在于，还包括：
    第二通知单元，用于向所述每个D2D终端通知所述具有基站功能的设备配置的异常时频资源池，以供所述每个D2D终端在与所述具有基站功能的设备断开连接时从所述异常时频资源池中选择用于恢复中断的终端直连通信的时频资源。
  18. 根据权利要求17所述的用于终端直连通信的资源配置系统，其特征在于，还包括：
    配置单元，用于根据所述每个D2D终端所处理的D2D业务的重要性和所述D2D业务的优先级配置所述异常时频资源池；和/或
    第一调整单元，用于根据所述每个D2D终端在与所述具有基站功能的设备断开连接后，中断的终端直连通信的恢复状况调整所述异常时频资源池中的时频资源的数量。
  19. 根据权利要求18所述的用于终端直连通信的资源配置系统，其特征在于，还包括：
    第一接收单元，用于接收与无线链路恢复过程相关的信令；第三确定单元，用于以根据所述与无线链路恢复过程相关的信令确定所述中断的终端直连通信的恢复状况；和/或
    第二接收单元，用于接收所述每个D2D终端上报的所述中断的终端直连通信的恢复状况。
  20. 根据权利要求11至15中任一项所述的用于终端直连通信的资源配置系统，其特征在于，还包括：
    第二调整单元，用于根据待进行调度的D2D终端的数量，调整每个所述配置模式下的时频资源的数量。
  21. 一种具有基站功能的设备，其特征在于，包括：如权利要求11至20中任一项所述的用于终端直连通信的资源配置系统。
  22. 一种用于终端直连通信的资源配置方法，适用于终端，其特征在于，包括：
    接收所述终端当前所处小区内的具有基站功能的设备通知的第一异常时频资源池，和/或接收其他小区内的具有基站功能的设备通知的第二异常时频资源池；
    在所述终端与当前所处小区内的具有基站功能的设备断开连接而导致所述终端进行的终端直连通信中断时，从所述第一异常时频资源池和/或所述第二异常时频资源池中选择用于恢复中断的终端直连通信的时频资源；
    通过选择出的时频资源恢复所述中断的终端直连通信。
  23. 一种用于终端直连通信的资源配置系统，适用于终端，其特征在于，包括：
    接收单元，用于接收所述终端当前所处小区内的具有基站功能的设备通知的第一异常时频资源池，和/或接收其他小区内的具有基站功能的设备通知的第二异常时频资源池；
    选择单元，用于在所述终端与当前所处小区内的具有基站功能的设备断开连接而导致所述终端进行的终端直连通信中断时，从所述第一异常时频资源池和/或所述第二异常时频资源池中选择用于恢复中断的终端直连通信的时频资源；
    处理单元，用于通过所述选择单元选择出的时频资源恢复所述中断的终端直连通信。
  24. 一种终端，其特征在于，包括：如权利要求23所述的用于终端直连通信的资源配置系统。
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113286307A (zh) * 2021-04-15 2021-08-20 南京邮电大学 一种移动小区重叠下的d2d通信配对方法

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104822155A (zh) * 2015-03-27 2015-08-05 深圳酷派技术有限公司 一种通信处理的方法以及终端
WO2016159715A2 (ko) * 2015-04-01 2016-10-06 엘지전자 주식회사 무선 통신 시스템에서 v2x 단말이 신호를 송수신 하는 방법 및 장치
JP6517921B2 (ja) * 2015-04-09 2019-05-22 株式会社Ｎｔｔドコモ ユーザ装置、移動通信システム及び通信制御方法
CN105578594A (zh) * 2015-06-30 2016-05-11 宇龙计算机通信科技(深圳)有限公司 一种资源分配方法及装置
US9825840B2 (en) * 2015-07-17 2017-11-21 Qualcomm Incorporated Link-quality-based resource allocation in device-to-device communications
US10638456B2 (en) * 2015-07-20 2020-04-28 Lg Electronics Inc. Resource allocation method for device-to-device communication in wireless communication system, and apparatus therefor
CN106488385B (zh) * 2015-08-31 2019-08-30 电信科学技术研究院 一种设备间系统的小区资源分配方法及装置
CN106559877B (zh) 2015-09-24 2019-02-26 中兴通讯股份有限公司 车联网业务的发送方法及装置、资源配置方法及装置
CN106612554B (zh) * 2015-10-23 2020-06-02 华为技术有限公司 分配时域资源的方法、基站和用户设备
CN105282257B (zh) * 2015-11-05 2019-06-11 东莞酷派软件技术有限公司 用于车辆通信的数据传输方法及装置、终端和路侧单元
CN106686647B (zh) * 2015-11-05 2021-05-11 索尼公司 无线通信设备和无线通信方法
CN106686551B (zh) * 2015-11-06 2020-04-24 展讯通信（上海）有限公司 用户终端的直接业务处理方法及装置
CN106912113A (zh) * 2015-12-22 2017-06-30 电信科学技术研究院 一种资源配置和数据传输的方法及设备
CN108781434A (zh) * 2016-04-01 2018-11-09 富士通株式会社 资源分配方法、装置和通信系统
WO2017185295A1 (zh) * 2016-04-28 2017-11-02 华为技术有限公司 通信方法、网络侧设备和车辆终端设备
KR20190002431A (ko) * 2016-05-11 2019-01-08 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 통신 방법, 단말 기기 및 네트워크 기기
EP3461211B1 (en) * 2016-06-16 2023-12-20 Huawei Technologies Co., Ltd. Method and apparatus for low-power-consumption terminal to access network
WO2017222280A1 (en) 2016-06-21 2017-12-28 Samsung Electronics Co., Ltd. System and method of reducing interruptions for vehicle to vehicle communication
US20180092067A1 (en) * 2016-09-28 2018-03-29 Futurewei Technologies, Inc. System and Method for D2D Communication
CN107889079B (zh) * 2016-09-29 2023-10-31 中兴通讯股份有限公司 资源使用、发送方法及装置、终端、基站
CN108024264B (zh) * 2016-11-03 2022-08-02 中兴通讯股份有限公司 一种资源选择方法及装置
CN106686736A (zh) * 2016-12-30 2017-05-17 宇龙计算机通信科技(深圳)有限公司 一种通信资源选择方法，手持智能终端及接入设备
CN111034293A (zh) * 2017-08-11 2020-04-17 中兴通讯股份有限公司 在旁链链路通信中共享资源池的系统和方法
WO2019165628A1 (zh) * 2018-03-01 2019-09-06 Oppo广东移动通信有限公司 终端设备的扩展使用方法、终端设备及网络设备
CN110266451B (zh) * 2018-03-12 2021-12-24 上海朗帛通信技术有限公司 一种被用于非授权频谱的用户设备、基站中的方法和装置
CN110839299B (zh) * 2018-08-16 2022-04-01 大唐移动通信设备有限公司 一种资源分配的方法和设备
CN110858988B (zh) * 2018-08-24 2022-02-01 维沃移动通信有限公司 一种传输方法及终端设备
US20210321421A1 (en) * 2018-09-05 2021-10-14 Ntt Docomo, Inc. User equipment and base station device
WO2020082381A1 (zh) * 2018-10-26 2020-04-30 Oppo广东移动通信有限公司 一种接入控制方法、终端及存储介质
CN109644457B (zh) * 2018-11-13 2022-04-08 北京小米移动软件有限公司 资源配置方法及装置
US12004016B2 (en) 2018-12-14 2024-06-04 Beijing Xiaomi Mobile Software Co., Ltd. Method and apparatus for transmitting configuration information
CN111385760B (zh) * 2018-12-29 2021-10-19 华为技术有限公司 一种传输方法及装置
CN111246433A (zh) * 2019-01-25 2020-06-05 维沃移动通信有限公司 资源池切换方法、装置、移动终端、网络侧设备及介质
US11394510B2 (en) * 2019-06-25 2022-07-19 Qualcomm Incorporated Collision avoidance and implicit location encoding in vehicle-to-pedestrian networks

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102244873A (zh) * 2011-08-26 2011-11-16 北京邮电大学 一种基于d2d用户对的位置为其和蜂窝用户选择资源复用模式的方法
CN103079262A (zh) * 2012-12-28 2013-05-01 浙江大学 蜂窝系统中d2d用户的模式选择和资源分配方法
CN103442442A (zh) * 2013-08-13 2013-12-11 北京交通大学 一种基站辅助的d2d通信系统中设备发现的方法
WO2014003090A1 (ja) * 2012-06-27 2014-01-03 京セラ株式会社 移動通信システム及び移動通信方法
CN103781050A (zh) * 2014-01-09 2014-05-07 北京邮电大学 一种小区边缘d2d用户的资源分配方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102244573B (zh) 2011-07-18 2017-03-22 中兴通讯股份有限公司 时钟报备方法及装置
WO2013139041A1 (en) * 2012-03-23 2013-09-26 Renesas Mobile Corporation Device-to-device resource allocation method and apparatus
US9143984B2 (en) * 2012-04-13 2015-09-22 Intel Corporation Mapping of enhanced physical downlink control channels in a wireless communication network
WO2013162345A1 (ko) * 2012-04-27 2013-10-31 엘지전자 주식회사 무선 통신 시스템에서 장치-대-장치 통신을 수행하는 방법 및 장치
US8874103B2 (en) * 2012-05-11 2014-10-28 Intel Corporation Determining proximity of user equipment for device-to-device communication
KR102461556B1 (ko) * 2012-08-23 2022-10-31 인터디지탈 패튼 홀딩스, 인크 디바이스간 탐색을 수행하기 위한 방법 및 장치
TWI571153B (zh) * 2014-01-31 2017-02-11 財團法人資訊工業策進會 用於一無線通訊系統之基地台及裝置對裝置使用者裝置
US9681331B2 (en) * 2014-02-03 2017-06-13 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for device-to-device transmissions
JP6755181B2 (ja) * 2014-03-18 2020-09-16 シャープ株式会社 ワイヤレス端末装置間通信のスケジューリング
CN110769496B (zh) * 2014-03-19 2022-07-08 交互数字专利控股公司 Wtru及由wtru执行的方法
US10225810B2 (en) * 2014-08-06 2019-03-05 Samsung Electronics Co., Ltd. Method and apparatus for transmitting/receiving synchronization signal in device-to-device communication system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102244873A (zh) * 2011-08-26 2011-11-16 北京邮电大学 一种基于d2d用户对的位置为其和蜂窝用户选择资源复用模式的方法
WO2014003090A1 (ja) * 2012-06-27 2014-01-03 京セラ株式会社 移動通信システム及び移動通信方法
CN103079262A (zh) * 2012-12-28 2013-05-01 浙江大学 蜂窝系统中d2d用户的模式选择和资源分配方法
CN103442442A (zh) * 2013-08-13 2013-12-11 北京交通大学 一种基站辅助的d2d通信系统中设备发现的方法
CN103781050A (zh) * 2014-01-09 2014-05-07 北京邮电大学 一种小区边缘d2d用户的资源分配方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113286307A (zh) * 2021-04-15 2021-08-20 南京邮电大学 一种移动小区重叠下的d2d通信配对方法

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