WO2015113213A1 - Procédé de configuration de ressources utilisé pour un mode de communication de dispositif à dispositif, appareil et système - Google Patents

Procédé de configuration de ressources utilisé pour un mode de communication de dispositif à dispositif, appareil et système Download PDF

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Publication number
WO2015113213A1
WO2015113213A1 PCT/CN2014/071683 CN2014071683W WO2015113213A1 WO 2015113213 A1 WO2015113213 A1 WO 2015113213A1 CN 2014071683 W CN2014071683 W CN 2014071683W WO 2015113213 A1 WO2015113213 A1 WO 2015113213A1
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WO
WIPO (PCT)
Prior art keywords
resource pool
communication
discovery
base station
resource
Prior art date
Application number
PCT/CN2014/071683
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English (en)
Chinese (zh)
Inventor
吴联海
邱涛
汪巍崴
徐海博
Original Assignee
富士通株式会社
吴联海
邱涛
汪巍崴
徐海博
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 富士通株式会社, 吴联海, 邱涛, 汪巍崴, 徐海博 filed Critical 富士通株式会社
Priority to CN201480056132.4A priority Critical patent/CN105612800B/zh
Priority to PCT/CN2014/071683 priority patent/WO2015113213A1/fr
Publication of WO2015113213A1 publication Critical patent/WO2015113213A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup

Definitions

  • the present invention relates to the field of communications, and in particular, to a resource configuration method, apparatus, and system for a device-to-device (D2D) communication mode.
  • D2D device-to-device
  • the D2D communication mode means that a communication link is directly established between two user equipments (UE, User Equipment) for communication, and the data packets do not need to pass through the core network or even pass through the base station.
  • Figure 1 shows a schematic diagram of establishing D2D communication between two user equipments (UE1 and UE2) belonging to the same base station.
  • Figure 2 shows a schematic diagram of establishing D2D communication between two user equipments (UE1 and UE2) belonging to different base stations.
  • a D2D Discovery process that is, mutual discovery between UE1 and UE2, may be required.
  • UE1 needs to send a discovery signal on a certain time-frequency resource, and UE2 needs to detect on the time-frequency resource that UE1 sends the discovery signal to discover UE1.
  • UE1 will select from a resource pool or be directly scheduled by the base station.
  • the UE may be configured to notify the UE or set in advance.
  • 3 is a schematic diagram of a resource pool. Subframes 2, 4, 7, and 9 belong to a resource that can send a discovery signal, and the UE can select a partial subframe for transmitting a discovery signal.
  • the resource pools are configured by their respective base stations, or pre-configured.
  • UE1 and UE2 can perform D2D communication, and UE1 selects some resources from the resource pool for transmitting data for transmitting data.
  • UE2 blindly checks the resource pool to receive data sent by UE1.
  • the respective discovery resources are configured by different base stations, how does the UE know which resources should be sent on the resources to ensure that the other party can receive the signaling signal, and on which resources the UE should perform blind detection, ensuring high efficiency.
  • Receiving the discovery signal is the focus of research in the industry.
  • the first method is that all base stations are configured with the same resource pool, and each UE only needs to configure one resource pool, which is used for sending discovery signals, Used to receive signals.
  • the advantage of this method is that the resources occupied by the discovery signal are selected from the same resource pool, and the UE at the receiving end blindly detects the fixed resource pool, which improves the accuracy and facilitates D2D discovery across the base station.
  • the disadvantage of this method is that the resource efficiency is not high. Because different cells have different resource pool requirements, in this case, the same resource pool is configured, and the resource utilization rate of the cell with low resource demand is relatively low.
  • the second method is that each base station independently configures a resource pool, and notifies each neighboring base station of each cell resource pool.
  • the advantage of this method is that each base station configures a resource pool as needed, which improves resource utilization.
  • the disadvantage is that the UE needs to blindly check signals on all cell resource pools. In this way, the UE needs to blindly detect signals on a relatively large resource pool, which reduces the blind detection efficiency of the UE and consumes more energy. Cellular communications have also had an impact.
  • Embodiments of the present invention provide a resource configuration method, apparatus, and communication system for a D2D communication method to solve the above problems.
  • a resource configuration method for a D2D communication mode includes:
  • the Operations Management and Maintenance (OAM) server configures a reference resource pool for D2D discovery and/or D2D communication;
  • the OAM server sends the reference resource pool to the base station, so that the base station configures respective resource pools for D2D discovery and/or D2D communication according to the reference resource pool.
  • a resource configuration method for a D2D communication mode includes:
  • the base station configures a resource pool for D2D discovery and/or D2D communication for each cell within its jurisdiction according to the reference resource pool for D2D discovery and/or D2D communication configured by the received OAM server.
  • a resource configuration method for a D2D communication mode includes:
  • the base station determines a subset of reference resource pools for D2D discovery and/or D2D communication
  • the base station transmits the subset of reference resource pools for D2D discovery and/or D2D communication to the neighbor base station, such that the neighbor base station determines its resource pool for D2D discovery and/or D2D communication accordingly.
  • a resource configuration method for a D2D communication mode includes: The user equipment receives a resource pool sent by the base station for D2D discovery and/or D2D communication;
  • the user equipment selects a resource for sending a discovery signal from the received resource pool to send a discovery signal or blindly checks in the received resource pool to discover other user equipment.
  • a resource configuration apparatus for a D2D communication mode is provided, where the apparatus is applied to an OAM server, where the apparatus includes:
  • a configuration unit configured to reference resource pools for D2D discovery and/or D2D communication
  • a sending unit configured to send the reference resource pool to the base station, so that the base station configures a respective resource pool for D2D discovery and/or D2D communication according to the reference resource pool.
  • an OAM server is provided, where the OAM server includes the apparatus described in the fifth aspect.
  • a resource configuration apparatus for a D2D communication mode is provided, where the apparatus is applied to a base station, where the apparatus includes:
  • a configuration unit configured to configure a resource pool for D2D discovery and/or D2D communication for each cell within the jurisdiction of the base station according to the reference resource pool configured for D2D discovery and/or D2D communication configured by the received OAM server.
  • a base station is provided, wherein the base station includes the apparatus of the seventh aspect.
  • a resource configuration apparatus for a D2D communication mode is provided, where the apparatus is applied to a base station, where the apparatus includes:
  • a first determining unit that determines a reference resource pool subset for D2D discovery and/or D2D communication; a first transmitting unit that transmits the reference resource pool subset for D2D discovery and/or D2D communication to a neighboring base station, In order for the neighboring base station to determine its resource pool for D2D discovery and/or D2D communication accordingly.
  • a base station is provided, wherein the base station includes the apparatus of the ninth aspect.
  • a resource configuration apparatus for a D2D communication mode is provided, where the apparatus is applied to a user equipment, where the apparatus includes:
  • a receiving unit which receives a resource pool sent by the base station for D2D discovery and/or D2D communication; and a processing unit that selects a resource for transmitting a discovery signal from the received resource pool to send a discovery signal or the received resource pool A blind check to discover other user devices.
  • a user equipment is provided, wherein the user equipment comprises the apparatus according to the eleventh aspect.
  • a communication system includes an OAM server, a base station, and a user equipment, where
  • the OAM server is configured to configure a reference resource pool for D2D discovery and/or D2D communication, and send the reference resource pool to the base station;
  • the base station is configured to configure a resource pool for D2D discovery and/or D2D communication for each cell within its jurisdiction according to a reference resource pool for D2D discovery and/or D2D communication configured by the received OAM server, And sending a resource pool for D2D discovery and/or D2D communication to the user equipment;
  • the user equipment is configured to select a resource transmission discovery signal for transmitting a discovery signal from the received resource pool or blindly check in the received resource pool to discover other user equipment.
  • a communication system includes a base station and a user equipment, where
  • the base station is configured to determine a reference resource pool subset for D2D discovery and/or D2D communication, and transmit the reference resource pool subset for D2D discovery and/or D2D communication to a neighboring base station, such that the neighbor base station Based on this, determine its resource pool for D2D discovery and/or D2D communication;
  • the user equipment is configured to receive a resource pool sent by the base station for D2D discovery and/or D2D communication, and select a resource for sending a discovery signal to send a discovery signal or receive the resource pool from the received resource pool. A blind check to discover other user devices.
  • a computer readable program wherein when the program is executed in an OAM server, the program causes a computer to perform the first aspect described in the OAM server for Resource configuration method for D2D communication mode.
  • a storage medium storing a computer readable program, wherein the computer readable program causes a computer to execute a resource for a D2D communication method according to the first aspect in an OAM server Configuration method.
  • a computer readable program wherein when the program is executed in a base station, the program causes a computer to perform the second aspect or the third aspect in the base station Resource configuration method for D2D communication mode.
  • a storage medium storing a computer readable program
  • the computer readable program causes the computer to perform the resource configuration method for the D2D communication method according to the second aspect or the third aspect in the base station.
  • a computer readable program wherein when the program is executed in a user device, the program causes a computer to perform the fourth aspect for performing in the user device Resource configuration method for D2D communication mode.
  • a storage medium storing a computer readable program, wherein the computer readable program causes a computer to perform a resource for a D2D communication method according to the fourth aspect in a user equipment Configuration method.
  • the beneficial effects of the embodiments of the present invention are as follows:
  • the method of the embodiment of the present invention improves resource utilization and blind detection efficiency, and reduces the impact of D2D communication on cellular communication.
  • FIG. 1 is a schematic diagram of D2D discovery in a base station
  • Figure 3 is a schematic diagram of a resource pool
  • FIG. 4 is a flowchart of an embodiment of a resource configuration method for a D2D communication method according to the embodiment
  • FIG. 5 is a flowchart of an embodiment of a resource configuration apparatus for a D2D communication method according to the present embodiment
  • 6 is a schematic diagram showing the composition of an OAM server according to this embodiment
  • FIG. 7 is a flow chart showing another embodiment of a resource allocation method for a D2D communication method according to the embodiment.
  • FIG. 8 is a schematic diagram showing the composition of another embodiment of a resource configuration apparatus for a D2D communication method according to the present embodiment
  • FIG. 9 is a schematic structural diagram of an embodiment of a base station according to this embodiment.
  • FIG. 10 is a flowchart of still another embodiment of a resource configuration method for a D2D communication method according to the embodiment.
  • FIG. 11 is a schematic diagram showing the composition of still another embodiment of the resource configuration apparatus for the D2D communication method according to the embodiment.
  • FIG. 12 is a schematic structural diagram of another embodiment of a base station according to this embodiment.
  • FIG. 13 is a flowchart of still another embodiment of a resource configuration method for a D2D communication method according to the embodiment.
  • FIG. 14 is a schematic diagram showing the composition of still another embodiment of the resource configuration apparatus for the D2D communication method according to the embodiment.
  • 15 is a schematic structural diagram of an embodiment of a user equipment according to this embodiment.
  • 16 is a schematic diagram of an embodiment of a communication system according to an embodiment of the present invention.
  • FIG 17 is a schematic diagram of another embodiment of a communication system in accordance with an embodiment of the present invention. detailed description
  • FIG. 4 is a flow chart of the method. Referring to Figure 4, the method includes:
  • Step 401 Operation Administration and Maintenance (OAM)
  • OAM Operation Administration and Maintenance
  • Step 402 The OAM server sends the reference resource pool to a base station, so that the base station configures a respective resource pool for D2D discovery and/or D2D communication according to the reference resource pool.
  • the OAM may determine an appropriate resource according to resource usage of each cell, load condition, available resources for transmitting D2D discovery signals and/or D2D communication data, number of D2D terminals in each cell, number of cellular communication terminals, and the like. Reference resource pool.
  • the reference resource pool is a common subset of resource pool of each cell.
  • the OAM sends a common subset of the resource pool to the base station, so that the base station configures a resource pool for D2D discovery and/or D2D communication for each cell within its jurisdiction, wherein the base station
  • the resource pool configured by each cell within the scope of the jurisdiction includes the common subset.
  • the reference resource pool is a maximum resource pool.
  • the OAM sends the selected priority of each resource in the maximum resource pool and the maximum resource pool to the base station, and the base station selects an appropriate resource quantity according to the selected priority from the maximum resource pool.
  • Each cell within the jurisdiction configures a resource pool for D2D discovery and/or D2D communication.
  • the OAM configures a common subset or a maximum resource pool of each cell resource pool for the base station, so that each base station configures a resource pool for D2D discovery and/or D2D communication for the cells within its jurisdiction (including The resource pool of the common subset or the resource is selected from the largest resource pool, thereby improving resource utilization, improving blind detection efficiency, and reducing the impact of D2D communication on cellular communication.
  • Embodiments of the present invention provide a resource configuration apparatus for a D2D communication mode, where the apparatus is applied to
  • FIG. 5 is a schematic view showing the composition of the device.
  • the device 500 includes:
  • a configuration unit 501 configured to reference a resource pool for D2D discovery and/or D2D communication
  • the sending unit 502 sends the reference resource pool to the base station, so that the base station configures a respective resource pool for D2D discovery and/or D2D communication according to the reference resource pool.
  • the reference resource pool is a common subset of the resource pools of the cells.
  • the configuration unit 501 is specifically configured to configure resource pools for each cell for D2D discovery and/or D2D communication.
  • a common subset such that the base station configures a pool of resources for D2D discovery and/or D2D communication including the common subset for each cell within its jurisdiction.
  • the reference resource pool is the largest resource pool
  • the configuration list is The element 502 is specifically configured to configure a maximum resource pool for D2D discovery and/or D2D communication and a selection priority of each resource in the maximum resource pool, so that the base station selects from the maximum resource pool according to the selected priority. Resources to configure resource pools for D2D discovery and/or D2D communication for each cell within its jurisdiction.
  • the principle of solving the problem is similar to the method of the first embodiment. Therefore, the specific implementation may refer to the implementation of the method in Embodiment 1, and the description of the same portions will not be repeated.
  • the embodiment of the present invention further provides an OAM server, where the OAM server includes the resource configuration apparatus for the D2D communication mode described in Embodiment 2.
  • FIG. 6 is a schematic diagram of a structure of an OAM server according to an embodiment of the present invention.
  • OAM server 600 can include: a central processing unit (CPU) 601 and memory 602; and memory 602 is coupled to central processor 601.
  • the memory 602 can store various data; in addition, a program for information processing is stored, and the program is executed under the control of the central processing unit 601 to receive various information transmitted by the user equipment and to transmit the request information to the user equipment.
  • the functionality of the resource configuration device for the D2D communication mode can be integrated into the central processor 601.
  • the central processing unit 601 can be configured to: configure a reference resource pool for D2D discovery and/or D2D communication; send the reference resource pool to the base station, so that the base station configures the respective D2D according to the reference resource pool. Resource pool for discovery and/or D2D communication.
  • the central processing unit 601 is configured to configure a common subset of each cell resource pool for D2D discovery and/or D2D communication, so that the base station includes the public in each cell configuration within its jurisdiction A subset of resources for D2D discovery and/or D2D communication.
  • the central processing unit 601 is configured to configure a maximum resource pool for D2D discovery and/or D2D communication and a selection priority of each resource in the maximum resource pool, so that the base station is from the maximum resource pool. Resources are selected according to the selected priority to configure resource pools for D2D discovery and/or D2D communication for each cell within its jurisdiction.
  • the resource configuration device for the D2D communication mode may be configured separately from the central processing unit 601.
  • the resource configuration device for the D2D communication mode may be configured as a chip connected to the central processing unit 601 through the center. Control of processor 601 to implement resource configuration device for D2D communication mode The function.
  • the OAM server may also include other components not shown to implement the functions of the existing OAM server. For this, reference may be made to the prior art.
  • the embodiment of the invention further provides a resource configuration method for the D2D communication mode.
  • Figure 7 is a flow chart of the method. Referring to Figure 7, the method includes:
  • Step 701 The base station configures a resource pool for D2D discovery and/or D2D communication for each cell in its jurisdiction according to the reference resource pool for D2D discovery and/or D2D communication configured by the received OAM server.
  • the base station determines a resource pool of each cell within its jurisdiction according to the reference resource pool configured by the OAM server, thereby improving resource utilization and blind detection efficiency, and reducing the impact of D2D communication on cellular communication. .
  • the base station includes configuration of each cell in its jurisdiction. A pool of resources for the D2D discovery and/or D2D communication of the common subset.
  • the base station may use resource usage conditions, load conditions, available resources for transmitting D2D discovery signals and/or D2D communication data, a common subset of resource pools, and D2D terminals according to the resources within its jurisdiction.
  • the number of cells, the number of cellular communication terminals, etc. determine the size of a suitable resource pool for D2D discovery and/or D2D communication.
  • the base station is The resources in the resource pool for D2D discovery and/or D2D communication configured by each cell in the scope of the jurisdiction are selected according to the selected priority from the maximum resource pool according to a predetermined policy.
  • the base station may use resource usage, load conditions, available resources for transmitting D2D discovery signals and/or D2D communication data, the selected priority, and the number of D2D terminals according to the resources of the cells within its jurisdiction.
  • the number of cellular communication terminals, etc. determines the size of a suitable resource pool for D2D discovery and/or D2D communication.
  • the method further includes: Step 702: The base station sends a resource pool for D2D discovery and/or D2D communication configured for each cell in its jurisdiction to the neighboring base station, so that the neighboring base station configures the resource pool for the UE by referring to the resource pool.
  • the base station informs the neighboring base station of the resource pool of each cell in the area under its jurisdiction, so that the neighboring base station can refer to the resource pool of each cell in the base station when configuring the resource pool for the UEs within its jurisdiction, and further Improve resource utilization and blind inspection efficiency.
  • the base station may notify the neighboring base station of the resource pool of each cell through the X2 interface or the S1 interface, but this embodiment is not limited thereto.
  • the method further includes:
  • Step 703 The base station receives, by the neighboring base station, a resource pool configured by the neighboring base station for D2D discovery and/or D2D communication configured for each cell in its jurisdiction.
  • the base station may also receive the resource pool of each cell (referred to as a neighboring cell) within the range of the neighboring base station, which is sent by the neighboring base station, similar to step 702, the resources of the neighboring cell.
  • the pool may be different, but the implementation of the common subset of the resource pool of the OAM server, the resource pool of the neighboring cell includes the common subset of the resource pool configured by the OAM server; and the implementation manner of configuring the largest resource pool corresponding to the OAM server
  • the resource pool of the neighboring cell is not greater than the largest resource pool configured by the OAM server.
  • the method further includes:
  • Step 704 The base station sends a resource pool for D2D discovery and/or D2D communication to the user equipment, so that the user equipment performs D2D discovery and/or D2D communication according to the resource pool for D2D discovery and/or D2D communication.
  • the base station informs the UE of the relevant resource pool, so that the UE sends a discovery signal or blind detection to discover other UEs.
  • the base station may only inform the UE of the serving cell resource pool, may also inform the UE of the serving cell and the resource pools of all neighboring cells, and may also inform the UE to serve the cell resources.
  • the base station may only inform the UE of the serving cell resource pool, and may also inform the UE of the serving cell's resource pool and the largest resource pool configured by the OAM, and may also The UE is informed of the union of the serving cell resource pool and all the cell resource pools. Therefore, the UE can perform corresponding processing according to the received resource pool, and the specific UE side processing will be described in the following embodiments.
  • the serving cell herein refers to the serving cell of the UE.
  • the aggregation of all the resource pools of the cell refers to the collection of the resource pool and the serving cell resource pool of the neighboring cell that are received.
  • the set includes at least the above-mentioned common subset configured by the OAM server; for the implementation of the OAM configuration maximum resource pool, the set is not larger than the maximum resource pool configured by the OAM server.
  • step 703 and step 704 may be performed before step 702, and steps 702 and 703 are not necessary.
  • the base station only informs the resource pool of the serving cell in step 704, there may be no steps 702 and 703, and so on.
  • the base station determines a resource pool for D2D discovery and/or D2D communication according to the reference resource pool configured by the OAM, and provides the related resource pool to the UE, thereby improving resource utilization and blind detection efficiency, and reducing The impact of D2D communication on cellular communications.
  • the embodiment of the invention further provides a resource configuration device for a D2D communication mode, which is applied to a base station.
  • Figure 8 is a schematic diagram of the composition of the device. Referring to Figure 8, the device 800 includes:
  • the configuration unit 801 is configured to allocate a resource pool for D2D discovery and/or D2D communication for each cell in the range of the base station according to the reference resource pool for D2D discovery and/or D2D communication configured by the received OAM server. .
  • the configuration unit 801 is the base station.
  • Each cell within the scope of the jurisdiction configures a resource pool for the D2D discovery and/or D2D communication that includes the common subset.
  • the reference resource pool configured for the D2D discovery and/or the D2D communication by the OAM server is the maximum resource pool and the selection priority of each resource in the maximum resource pool
  • the resource in the resource pool for D2D discovery and/or D2D communication configured by each of the cells in the range of the base station is configured according to the selected priority according to the predetermined priority according to the predetermined policy.
  • the device further includes:
  • a first sending unit 802 configured to send, to the neighboring base station, a resource pool for D2D discovery and/or D2D communication configured for each cell in the range of the base station, so that the neighboring base station configures the UE by referring to the resource pool.
  • Capital Source pool configured to send, to the neighboring base station, a resource pool for D2D discovery and/or D2D communication configured for each cell in the range of the base station, so that the neighboring base station configures the UE by referring to the resource pool.
  • the device further includes:
  • the receiving unit 803 receives the resource pool used by the neighboring base station for the D2D discovery and/or D2D communication configured by the neighboring base station for each cell within its jurisdiction.
  • the device further includes:
  • a second sending unit 804 which sends a resource pool for D2D discovery and/or D2D communication to the user equipment, so that the user equipment performs D2D discovery and/or D2D communication according to the resource pool for D2D discovery and/or D2D communication.
  • the resource pool for D2D discovery and/or D2D communication sent by the second sending unit 804 to the user equipment is: a resource pool for D2D discovery and/or D2D communication of the serving cell; or a resource pool for D2D discovery and/or D2D communication of the serving cell and all neighboring cells; or a resource pool for D2D discovery and/or D2D communication of the serving cell and all cells for D2D discovery and/or D2D a union of resource pools for communication; or, a pool of resources for the D2D discovery and/or D2D communication of the serving cell
  • the largest resource pool configured by the OAM server is the largest resource pool configured by the OAM server.
  • the principle of solving the problem is similar to the method of the fourth embodiment. Therefore, the specific implementation may refer to the implementation of the method of the embodiment 4, and the description of the same portions will not be repeated.
  • the base station determines a resource pool for D2D discovery and/or D2D communication according to the reference resource pool configured by the OAM, and provides the related resource pool to the UE, thereby improving resource utilization and blind detection efficiency, and reducing The impact of D2D communication on cellular communications.
  • An embodiment of the present invention further provides a base station, where the base station includes the resource configuration apparatus for D2D communication mode described in Embodiment 5.
  • FIG. 9 is a schematic diagram of a structure of a base station according to an embodiment of the present invention.
  • the base station 900 can include: a central processing unit (CPU) 901 and a memory 902; the memory 902 is coupled to the central processing unit 901.
  • the memory 902 can store various data; in addition, a program for information processing is stored, and the program is executed under the control of the central processing unit 901 to receive various information transmitted by the user equipment and to transmit the request information to the user equipment.
  • the functionality of the resource configuration device for the D2D communication mode can be integrated into the central processor 901.
  • the central processing unit 901 can be configured to: according to the received OAM server
  • a reference resource pool configured for D2D discovery and/or D2D communication is configured to configure a resource pool for D2D discovery and/or D2D communication for each cell within the jurisdiction of the base station.
  • the central processing unit 901 is configured to be within the jurisdiction of the base station.
  • Each cell configures a resource pool for D2D discovery and/or D2D communication that includes the common subset.
  • the central processing unit 901 is configured to The resources in the resource pool for D2D discovery and/or D2D communication configured by each cell in the range of the base station are selected according to the predetermined priority from the maximum resource pool according to the predetermined policy.
  • the central processing unit 901 is further configured to: send a resource pool for D2D discovery and/or D2D communication configured for each cell in the range of the base station to the neighboring base station, so that the neighboring base station refers to The resource pool configures a resource pool for the UE.
  • the central processing unit 901 is further configured to: receive, by the neighboring base station, a resource pool for D2D discovery and/or D2D communication configured by the neighboring base station for each cell in its jurisdiction.
  • the central processing unit 901 is further configured to: send to the user equipment for D2D discovery and/or
  • a resource pool for D2D communication such that the user equipment performs D2D discovery and/or D2D communication in accordance with the resource pool for D2D discovery and/or D2D communication.
  • the resource pool for D2D discovery and/or D2D communication sent to the user equipment is: a resource pool of the serving cell for D2D discovery and/or D2D communication; or, the serving cell and all neighboring cells are used for a resource pool for D2D discovery and/or D2D communication; or a union of resource pools for D2D discovery and/or D2D communication of the serving cell and resource pools for D2D discovery and/or D2D communication of all cells; or A resource pool for D2D discovery and/or D2D communication of the serving cell and a maximum resource pool configured by the OAM server.
  • the resource configuration device for the D2D communication mode may be configured separately from the central processing unit 901.
  • the resource configuration device for the D2D communication mode may be configured as a chip connected to the central processing unit 901, through the center.
  • the control of the processor 901 implements the functions of the resource configuration device for the D2D communication method.
  • the base station 900 may further include: a transceiver 903, an antenna 904, and the like; wherein the functions of the foregoing components are similar to those of the prior art, and details are not described herein again. It is worth noting that the base station 900 is not necessarily It is necessary to include all of the components shown in FIG. 9; in addition, the base station 900 may also include components not shown in FIG. 9, and reference may be made to the prior art.
  • the base station of the embodiment determines a resource pool for D2D discovery and/or D2D communication according to the reference resource pool configured by the OAM, and provides the related resource pool to the UE, thereby improving resource utilization and blind detection efficiency, and reducing The impact of D2D communication on cellular communications.
  • the embodiment of the invention further provides a resource configuration method for the D2D communication mode.
  • Figure 10 is a flow chart of the method. Referring to Figure 10, the method includes:
  • Step 1001 The base station determines a reference resource pool subset for D2D discovery and/or D2D communication, where the base station may according to the load of the own cell and the neighboring cell, the neighboring cell resource pool, the intersection of the neighboring cell resource pool and the resource pool of the cell, and the like.
  • the content determines the subset of reference resource pools.
  • Step 1002 The base station sends the reference resource pool subset for D2D discovery and/or D2D communication to the neighboring base station, so that the neighboring base station determines its resource pool for D2D discovery and/or D2D communication accordingly.
  • the base station sends the reference resource pool subset to the neighboring base station, so that the neighboring base station may include the reference resource pool subset when configuring the resource pool for D2D discovery and/or D2D communication for each cell within its jurisdiction.
  • the neighboring base station may include the reference resource pool subset when configuring the resource pool for D2D discovery and/or D2D communication for each cell within its jurisdiction.
  • the method further includes: Step 1003: The base station receives a reference resource pool subset sent by the neighboring base station for D2D discovery and/or D2D communication;
  • Step 1004 The base station determines, according to the received reference resource pool subset for D2D discovery and/or D2D communication, a resource pool for D2D discovery and/or D2D communication of each cell under its jurisdiction;
  • a resource pool for D2D discovery and/or D2D communication for each cell within the scope of the jurisdiction includes all or a portion of the subset of reference resource pools.
  • the base station may determine a resource pool for D2D discovery and/or D2D communication of each cell within its jurisdiction, because the resource pool includes Some or all of the resources in the reference resource pool subset improve resource utilization and improve the blind detection efficiency of the UE.
  • the method may further include:
  • Step 1005 The base station receives, by the neighboring base station, each cell (neighboring cell) within its jurisdiction a resource pool for D2D discovery and/or D2D communication;
  • Step 1006 The base station configures a resource pool for D2D discovery and/or D2D communication of each cell within its jurisdiction.
  • the base station may determine, according to the resource usage of the cell, the load condition, the effective resources that can be used for transmitting the D2D discovery signal and/or the D2D communication data, the number of D2D terminals, the number of cellular communication terminals, and the resource pool of the neighboring cell.
  • the time-frequency resource and size of the resource pool used for D2D can configure the resource pool of the own cell by referring to the resource pool of the neighboring cell, so that the resource pool of the own cell and the resource pool of the neighboring cell have more overlapping resources, so as to improve the blind detection efficiency of the UE.
  • the method may further include: Step 1007: The base station sends a resource pool for D2D discovery and/or D2D communication to the user equipment, so that the user The device performs D2D discovery and/or D2D communication according to the resource pool for D2D discovery and/or D2D communication.
  • the base station may only inform the resource pool of the serving cell, or may inform the serving cell and the resource pool of all neighboring cells, and may also notify the union of the serving cell resource pool and all the cell resource pools. Since this part has been described in detail in Embodiment 1, the contents thereof are incorporated herein, and will not be described again.
  • the serving cell here refers to the serving cell of the UE.
  • step 1005 and step 1006 may be performed before step 1001 or before step 1003.
  • the base station determines the reference resource pool subset and sends it to the neighboring base station, so that the neighboring base station can include the reference resource pool subset when configuring the resource pool, thereby improving resource utilization and blind detection efficiency. And reduce the impact of D2D communication on cellular communications.
  • the embodiment of the invention further provides a resource configuration device for a D2D communication mode, which is applied to a base station.
  • Figure 11 is a schematic view showing the composition of the device. Referring to Figure 11, the device 1100 includes:
  • a first determining unit 1101 which determines a reference resource pool subset for D2D discovery and/or D2D communication
  • a first sending unit 1102 which sends the reference resource pool subset for D2D discovery and/or D2D communication to a neighbor A base station, whereby the neighboring base station determines its resource pool for D2D discovery and/or D2D communication accordingly.
  • the apparatus 1100 further includes: Receiving unit 1103, which receives a reference resource pool subset sent by the neighboring base station for D2D discovery and/or D2D communication;
  • a second determining unit 1104 which determines, according to the received reference resource pool subset for D2D discovery and/or D2D communication, a resource pool for D2D discovery and/or D2D communication of each cell in its jurisdiction;
  • the resource pool for D2D discovery and/or D2D communication of each cell within its jurisdiction includes all or a part of the reference resource pool subset.
  • the device 1100 further includes:
  • a second sending unit 1105 which sends a resource pool for D2D discovery and/or D2D communication to the user equipment, so that the user equipment performs D2D discovery and/or D2D communication according to the resource pool for D2D discovery and/or D2D communication.
  • the resource pool for the D2D discovery and/or the D2D communication sent by the second sending unit 1105 to the user equipment is: a resource pool of the serving cell for D2D discovery and/or D2D communication; or, a serving cell a resource pool for D2D discovery and/or D2D communication with all neighboring cells; or a resource pool for D2D discovery and/or D2D communication of the serving cell and resources for D2D discovery and/or D2D communication of all cells The union of the pools.
  • the principle of solving the problem is similar to the method of the seventh embodiment. Therefore, the specific implementation may refer to the implementation of the method in Embodiment 7, and the description of the same portions will not be repeated.
  • the base station determines the reference resource pool subset and sends it to the neighboring base station, so that the neighboring base station can include the reference resource pool subset when configuring the resource pool, thereby improving resource utilization and blind detection efficiency. And reduce the impact of D2D communication on cellular communications.
  • An embodiment of the present invention further provides a base station, where the base station includes the resource configuration apparatus for D2D communication mode described in Embodiment 8.
  • FIG. 12 is a schematic diagram of a structure of a base station according to an embodiment of the present invention.
  • base station 1200 can include: a central processing unit (CPU) 1201 and a memory 1202; and a memory 1202 coupled to central processing unit 1201.
  • the memory 1202 can store various data; in addition, a program for information processing is stored, and the program is executed under the control of the central processor 1201 to receive various information transmitted by the user equipment and to transmit the request information to the user equipment.
  • the functions of the resource configuration device for the D2D communication mode can be integrated into In the central processor 1201.
  • the central processing unit 1201 may be configured to: determine a reference resource pool subset for D2D discovery and/or D2D communication; send the reference resource pool subset for D2D discovery and/or D2D communication to a neighboring base station, so that The neighbor base station accordingly determines its resource pool for D2D discovery and/or D2D communication.
  • the central processing unit 1201 is further configured to: receive a reference resource pool subset sent by the neighboring base station for D2D discovery and/or D2D communication; according to the received reference resource for D2D discovery and/or D2D communication a pool subset, determining resource pools for D2D discovery and/or D2D communication of cells in its jurisdiction; wherein resource pools for D2D discovery and/or D2D communication of each cell within its jurisdiction include Refer to all or part of a subset of resource pools.
  • the central processing unit 1201 is further configured to: send the user equipment for D2D discovery and/or
  • a resource pool for D2D communication such that the user equipment performs D2D discovery and/or D2D communication in accordance with the resource pool for D2D discovery and/or D2D communication.
  • the resource pool for D2D discovery and/or D2D communication is: a resource pool of the serving cell for D2D discovery and/or D2D communication; or, the serving cell and all neighboring cells are used for D2D discovery and/or D2D.
  • the resource configuration device for the D2D communication mode may be configured separately from the central processing unit 1201.
  • the resource configuration device for the D2D communication mode may be configured as a chip connected to the central processing unit 901, and passed through the center.
  • the control of the processor 1201 implements the functions of the resource configuration device for the D2D communication method.
  • the base station 1200 may further include: a transceiver 1203, an antenna 1204, and the like; wherein the functions of the foregoing components are similar to the prior art, and details are not described herein again. It should be noted that the base station 1200 does not have to include all of the components shown in FIG. 12; in addition, the base station 1200 may also include components not shown in FIG. 12, and reference may be made to the prior art.
  • the base station determines the reference resource pool subset and sends it to the neighboring base station, so that the neighboring base station can include the reference resource pool subset when configuring the resource pool, thereby improving resource utilization and blind detection efficiency. And reduce the impact of D2D communication on cellular communications.
  • the embodiment of the invention further provides a resource configuration method for the D2D communication mode.
  • Figure 13 is a flow chart of the method. Referring to Figure 13, the method includes: Step 1301: The user equipment receives a resource pool for D2D discovery and/or D2D communication sent by the base station. Step 1302: The user equipment selects a resource for sending a discovery signal from the received resource pool to send a discovery signal or receives the signal. Blind check in the resource pool to discover other user devices.
  • the resource pool used by the base station for D2D discovery and/or D2D communication may be a resource pool of the serving cell, or may be a resource pool of the serving cell and a resource pool of all neighboring cells.
  • the resource pool of the serving cell and the pool of all the resource pools may also be the resource pool of the serving cell and the largest resource pool configured by the OAM.
  • the UE may perform different processing when receiving the resource pool.
  • the user equipment may The resource pool of the serving cell selects a resource to send a discovery signal, and performs blind detection in the resource pool of the serving cell to discover other user equipments.
  • the resource pool used by the user equipment for D2D discovery and/or D2D communication is a resource pool for D2D discovery and/or D2D communication of a serving cell and all neighboring cells
  • the user equipment may select a resource from the resource pool of the serving cell to send a discovery signal, and perform blind detection in the resource pool of all neighboring cells to discover other user equipments.
  • the user equipment may select a resource from the resource pool of the serving cell to send a discovery signal, and perform blind detection in the concurrent group to discover other user equipments;
  • the user equipment may select a resource from the resource pool of the serving cell to send a discovery signal, and perform blind detection in the maximum resource pool to discover other user equipments.
  • the serving cell refers to the serving cell of the UE.
  • the resource pool sent by the base station to the user equipment refers to the reference resource pool configured by the OAM or refers to the reference resource pool subset of the neighboring base station, and the UE sends a discovery signal or blind detection on the basis, thereby improving resources. Utilization and blind inspection efficiency.
  • the embodiment of the invention further provides a resource configuration device for a D2D communication mode, and the device is applied to User equipment.
  • 14 is a schematic diagram of the composition of the device.
  • the device 1400 includes: a receiving unit 1401 that receives a resource pool sent by a base station for D2D discovery and/or D2D communication; and a processing unit 1402 that receives from the received A resource for sending a discovery signal is selected in the resource pool to send a discovery signal or blindly detected in the received resource pool to discover other user equipment.
  • the processing unit 1402 when the resource pool for D2D discovery and/or D2D communication received by the user equipment is a resource pool for D2D discovery and/or D2D communication of a serving cell, from the serving cell.
  • the resource pool selects a resource to send a discovery signal, and blindly checks in the resource pool of the serving cell to discover other user equipments.
  • the processing unit 1402 when the resource pool for D2D discovery and/or D2D communication received by the user equipment is a resource pool for D2D discovery and/or D2D communication of a serving cell and all neighboring cells, The resource pool of the serving cell selects a resource to send a discovery signal, and blindly checks in the resource pool of all neighboring cells to discover other user equipments.
  • the resource pool for D2D discovery and/or D2D communication and all cells used by the processing unit 1402 for the D2D discovery and/or D2D communication received by the user equipment are used for D2D.
  • the resource is sent from the resource pool of the serving cell to send a discovery signal, and the blind detection is performed in the parallel to discover other user equipments.
  • the resource pool used by the processing unit 1402 for D2D discovery and/or D2D communication received by the user equipment is a resource pool for D2D discovery and/or D2D communication of the serving cell and configured by the OAM server.
  • a resource is sent from the resource pool of the serving cell to send a discovery signal, and a blind check is performed in the maximum resource pool to discover other user equipments.
  • the principle of solving the problem is similar to the method of the embodiment 10. Therefore, the specific implementation can refer to the implementation of the method of the embodiment 10, and the description of the same portions will not be repeated.
  • the resource pool sent by the base station to the user equipment refers to the reference resource pool configured by the OAM or refers to the reference resource pool subset of the neighboring base station, and the UE sends a discovery signal or a blind check on the basis, thereby improving resources. Utilization and blind inspection efficiency.
  • An embodiment of the present invention provides a user equipment, where the user equipment includes the resource configuration apparatus for the D2D communication mode as described in Embodiment 11.
  • FIG. 15 is a schematic block diagram showing the system configuration of the user equipment 1500 according to the embodiment of the present invention.
  • the user device 1500 can include a central processor 1501 and a memory 1502; the memory 1502 is coupled to the central processor 1501. It is worth noting that the figure is exemplary; other types of structures may be used in addition to or in place of the structure to implement telecommunications functions or other functions.
  • the functionality of the resource configuration device for the D2D communication mode can be integrated into the central processor 1501.
  • the central processing unit 1501 may be configured to: receive a resource pool sent by the base station for D2D discovery and/or D2D communication; select a resource for sending the discovery signal from the received resource pool, send a discovery signal, or receive the A blind check in the resource pool to discover other user devices.
  • the central processing unit 1501 is configured to: when the resource pool for D2D discovery and/or D2D communication received by the user equipment is a resource pool for D2D discovery and/or D2D communication of a serving cell, And selecting a resource to send a discovery signal from the resource pool of the serving cell, and performing blind detection in the resource pool of the serving cell to discover other user equipments.
  • the central processing unit 1501 is configured to receive, by the user equipment, a resource pool for D2D discovery and/or D2D communication, which is a serving cell and all neighboring cells, for D2D discovery and/or D2D communication.
  • the resource pool is selected from the resource pool of the serving cell to send a discovery signal, and is blindly checked in the resource pool of all neighboring cells to discover other user equipments.
  • the central processing unit 1501 is configured to: the resource pool for D2D discovery and/or D2D communication received by the user equipment is a resource pool for D2D discovery and/or D2D communication of a serving cell.
  • the resource pool for D2D discovery and/or D2D communication received by the user equipment is a resource pool for D2D discovery and/or D2D communication of a serving cell.
  • a resource transmission discovery signal is selected from resource pools of the serving cell, and blind detection is performed in the parallel to discover other user equipments.
  • the central processing unit 1501 is configured to: the resource pool for D2D discovery and/or D2D communication received by the user equipment is a resource pool for D2D discovery and/or D2D communication of a serving cell.
  • the maximum resource pool configured by the OAM server is used, a resource sending discovery signal is selected from the resource pool of the serving cell, and a blind check is performed in the maximum resource pool to discover other user equipments.
  • the resource configuration device for the D2D communication mode may be configured separately from the central processing unit 1501.
  • the resource configuration device for the D2D communication mode may be configured as a chip connected to the central processing unit 1501, and passed through the center.
  • the control of the processor 1501 implements the functions of the resource configuration device for the D2D communication method.
  • the user equipment 1500 may further include: a communication module 1503, an input unit 1504, an audio processing unit 1505, a display 1506, and a power supply 1507. It is worth noting that the user equipment 1500 is also It is not necessary to include all of the components shown in Fig. 15; in addition, the user device 1500 may also include components not shown in Fig. 15, and reference may be made to the prior art.
  • central processor 1501 also sometimes referred to as a controller or operational control, may include a microprocessor or other processor device and/or logic device that receives input and controls each of user devices 1500. The operation of the part.
  • the memory 1502 can be, for example, one or more of a buffer, a flash memory, a hard drive, a removable medium, a volatile memory, a non-volatile memory, or other suitable device.
  • the above-mentioned information related to the failure can be stored, and a program for executing the related information can be stored.
  • the central processing unit 1501 can execute the program stored in the memory 1502 to implement information storage or processing and the like.
  • the functions of other components are similar to those of the existing ones and will not be described here.
  • the various components of user equipment 1500 may be implemented by special purpose hardware, firmware, software or a combination thereof without departing from the scope of the invention.
  • the UE sends a discovery signal or a blind check based on the reference resource pool configured by the OAM or the reference resource pool subset of the neighboring base station. Resource utilization and blind inspection efficiency.
  • the embodiment of the present invention further provides a communication system, which includes the OAM server according to Embodiment 3, the base station according to Embodiment 6, and the user equipment according to Embodiment 12.
  • the communication system 1600 includes an OAM server 1601, a base station 1602, and a user equipment 1603. among them,
  • the OAM server 1601 is configured to configure a reference resource pool for D2D discovery and/or D2D communication and to send the reference resource pool to the base station.
  • the base station 1602 is configured to configure a resource pool for D2D discovery and/or D2D communication for each cell within its jurisdiction according to a reference resource pool for D2D discovery and/or D2D communication configured by the received OAM server, and Transmitting a resource pool for D2D discovery and/or D2D communication to the user equipment;
  • the user equipment 1603 is configured to select a resource transmission discovery signal for transmitting a discovery signal from the received resource pool or to blindly check in the received resource pool to discover other user equipment.
  • the OAM server 1601 may be the OAM server 600 described in Embodiment 3, and the base station 1602 may be the base station 900 described in Embodiment 6.
  • the user equipment 1603 may be the user equipment described in Embodiment 12. The details of the OAM server, the base station, and the user equipment have been separately described in the embodiments 3, 6, and 12, and the contents thereof are incorporated herein, and details are not described herein again.
  • the embodiment of the present invention further provides a communication system, which includes the base station according to Embodiment 9 and the user equipment as described in Embodiment 12.
  • Figure 17 is a block diagram showing a configuration of a communication system according to an embodiment of the present invention.
  • the communication system 1700 includes a base station 1701 and a user equipment 1702. among them,
  • the base station 1701 is configured to determine a reference resource pool subset for D2D discovery and/or D2D communication, and transmit the reference resource pool subset for D2D discovery and/or D2D communication to the neighbor base station, so that the neighbor base station This determines its resource pool for D2D discovery and/or D2D communication.
  • the user equipment 1702 is configured to receive a resource pool sent by the base station for D2D discovery and/or D2D communication, and select a resource for sending a discovery signal from the received resource pool to send a discovery signal or in the received resource pool. Blind checks to discover other user devices.
  • the base station 1701 may be the base station 1200 described in Embodiment 9; the user equipment 1702 may be the user equipment 1500 described in Embodiment 12.
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in an OAM server, the program causes a computer to execute the resource for D2D communication mode described in Embodiment 1 in the OAM server. Configuration method.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the computer to execute the resource configuration method for the D2D communication method described in Embodiment 1 in the OAM server.
  • the embodiment of the present invention further provides a computer readable program, wherein the program causes a computer to perform the D2D communication mode described in Embodiment 4 or Embodiment 7 in the base station when the program is executed in a base station Resource configuration method.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes a computer to execute a resource configuration method for D2D communication mode described in Embodiment 4 or Embodiment 7 in a base station. .
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a user equipment, the program causes a computer to execute the resource for D2D communication mode described in Embodiment 10 in the user equipment. Configuration method.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the computer to execute the resource configuration method for the D2D communication mode described in Embodiment 10 in the user equipment.
  • the above apparatus and method of the present invention may be implemented by hardware, or may be implemented by hardware in combination with software.
  • the present invention relates to a computer readable program that, when executed by a logic component, enables the logic component to implement the apparatus or components described above, or to cause the logic component to implement the various methods described above Or steps.
  • Logic components such as field programmable logic components, microprocessors, processors used in computers, and the like.
  • the present invention also relates to a storage medium for storing the above program, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, or the like.

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Abstract

La présente invention, selon des modes de réalisation, concerne un procédé de configuration de ressources utilisé pour un mode de communication de D2D, un appareil et un système de communication. Le procédé consiste à : configurer, par un serveur d'exploitation, d'administration et de maintenance (OAM), un groupe de ressources de référence utilisé pour une découverte de D2D et/ou une communication de D2D ; et envoyer, par le serveur d'OAM, le groupe de ressources de référence à des stations de base de sorte que les stations de base configurent des groupes de ressources respectifs utilisés pour la découverte de D2D et/ou la communication de D2D sur la base du groupe de ressources de référence. Le procédé des modes de réalisation de la présente invention améliore un taux d'utilisation de ressources et une efficacité aveugle, et réduit un impact de la communication de D2D sur une communication cellulaire.
PCT/CN2014/071683 2014-01-28 2014-01-28 Procédé de configuration de ressources utilisé pour un mode de communication de dispositif à dispositif, appareil et système WO2015113213A1 (fr)

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CN201480056132.4A CN105612800B (zh) 2014-01-28 2014-01-28 用于设备对设备通信方式的资源配置方法、装置和系统
PCT/CN2014/071683 WO2015113213A1 (fr) 2014-01-28 2014-01-28 Procédé de configuration de ressources utilisé pour un mode de communication de dispositif à dispositif, appareil et système

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CN111867116A (zh) * 2019-04-30 2020-10-30 华为技术有限公司 一种通信方法及装置
WO2021062805A1 (fr) * 2019-09-30 2021-04-08 华为技术有限公司 Procédé et appareil de communication

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CN111867116A (zh) * 2019-04-30 2020-10-30 华为技术有限公司 一种通信方法及装置
WO2021062805A1 (fr) * 2019-09-30 2021-04-08 华为技术有限公司 Procédé et appareil de communication

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