WO2016165049A1 - 一种资源分配方法、设备及系统 - Google Patents
一种资源分配方法、设备及系统 Download PDFInfo
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- WO2016165049A1 WO2016165049A1 PCT/CN2015/076386 CN2015076386W WO2016165049A1 WO 2016165049 A1 WO2016165049 A1 WO 2016165049A1 CN 2015076386 W CN2015076386 W CN 2015076386W WO 2016165049 A1 WO2016165049 A1 WO 2016165049A1
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- WIPO (PCT)
- Prior art keywords
- cell
- user equipment
- communication
- base station
- message
- Prior art date
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/18—Interfaces between hierarchically similar devices between terminal devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0096—Indication of changes in allocation
- H04L5/0098—Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
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- 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
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/27—Control channels or signalling for resource management between access points
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/20—Interfaces between hierarchically similar devices between access points
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a resource allocation method, device, and system.
- Device to device (English: device to device, abbreviation: D2D) communication is a new technology that allows direct data transmission between user equipment (English: user equipment, abbreviation: UE).
- the D2D communication standard requires that the user equipment can only send a D2D discovery message in its own primary cell, that is, the base station provides the D2D device with the resource of the primary cell to the user equipment, so that the user equipment uses the resource to send the D2D. Found the message.
- the base station provides the D2D device with the resource of the primary cell to the user equipment, so that the user equipment uses the resource to send the D2D. Found the message.
- a large number of user equipments exist in a primary cell. In this case, if a large number of user equipments simultaneously use the resources of the primary cell to send D2D discovery messages, the resources in the primary cell are tight and the primary cell load is increased.
- the embodiments of the present invention provide a D2D unicast resource allocation method, device, and system, to solve the problem that the existing primary cell is heavily loaded.
- an embodiment of the present invention provides a resource allocation method, including:
- the first base station Determining, by the first base station, whether the user equipment can perform D2D communication on the first cell, where the first cell is a secondary cell or a non-serving cell of the user equipment;
- the first base station determines that the user equipment can perform D2D communication on the first cell
- the first base station sends a response message to the user equipment, so that the user equipment performs on the first cell.
- D2D communication wherein the response message is used to provide the user equipment with D2D communication resources of the first cell; or
- the first base station determines that the user equipment is incapable of performing D2D communication on the first cell
- the first base station sends a reply message to the user equipment, to It is known that the user equipment cannot perform D2D communication on the first cell.
- the first base station is a base station of a second cell
- the second cell is a primary cell or a serving cell of the user equipment.
- the determining whether the user equipment can perform D2D communication on the first cell includes:
- the method before the first base station determines whether the signal quality of the user equipment on the first cell meets a preset threshold, the method is Also includes:
- the first base station Receiving, by the first base station, a neighbor cell measurement report reported by the user equipment, where the neighbor cell measurement report includes the first cell measured by the user equipment Signal quality.
- the method further includes:
- the first request message is used to request to determine a resource for the user equipment to perform D2D communication, including: a cell identifier ECGI of the candidate cell, a physical cell identifier of the candidate cell, a PCI, a frequency of the cell, and a PLMN of the candidate cell.
- a cell identifier ECGI of the candidate cell including: a cell identifier ECGI of the candidate cell, a physical cell identifier of the candidate cell, a PCI, a frequency of the cell, and a PLMN of the candidate cell.
- the number M of resources of the D2D communication performed by the user equipment where the M is a positive integer.
- the candidate cell is the first cell; and the base station of the first cell is the first base station, or The base station of the first cell is the second base station.
- the base station of the first cell when the base station of the first cell is the second base station, before the first base station receives the request message sent by the user equipment, The method further includes:
- the first base station sends a second request message to the second base station, where the second request message is used to request resources for performing D2D communication or provide cell resources of the second base station for D2D communication;
- the first base station receives the first reply message sent by the second base station, where the reply message is used to indicate that no resource is provided for D2D communication.
- the method further includes:
- the first base station receives the reply message sent by the second base station, where the reply message is used to indicate that the user equipment cannot perform D2D communication on the first cell.
- the response message includes:
- L The number L of resources of the D2D communication performed by the user equipment, where L is a positive integer; and/or,
- the D2D communication resource configuration of the first cell dedicated resource configuration, resource pool configuration.
- the response message further includes:
- L The number L of resources that the user equipment performs D2D communication, where L is a positive integer.
- the response message includes: a cell index Scellindex, where the cell index is used to indicate the first cell.
- the D2D communication includes:
- D2D Discovery ProSe Direct Discovery
- D2D Relay Communication ProSe Relay Communication
- D2D Communication ProSe Direct Communication
- Send D2D discovery ProSe Direct Discovery
- send D2D relay communication ProSe Relay Communication
- send D2D communication ProSe Direct Communication
- receive D2D discovery message receive D2D delayed relay communication message
- listen for D2D discovery Message listen for one or more of the D2D relay communication messages.
- the first base station includes:
- the first base station is a base station of the second cell and the first cell.
- the receiving, by the first base station, the first request message sent by the user equipment includes:
- the first base station receives the first request message sent by the user equipment in the second cell.
- an embodiment of the present invention provides a resource allocation method, including:
- the second base station Determining, by the second base station, whether the user equipment can perform D2D communication on the first cell, where the first cell is a secondary cell or a non-serving cell of the user equipment; and the second base station is a base station of the first cell ;
- the second base station When the second base station determines that the user equipment can perform D2D communication on the first cell, the second base station sends a response message to the first base station, where the response message is used to provide the user equipment with a a D2D communication resource of a cell, where the first base station is a base station of a second cell of the user equipment, and the second cell is a primary cell or a serving cell of the user equipment; or
- the second base station When the second base station determines that the user equipment is incapable of performing D2D communication on the first cell, the second base station sends a reply message to the first base station, where the reply message is used to notify the user equipment that the device is not available. D2D communication on the first cell;
- the second base station determines that the user equipment can perform D2D communication on the first cell
- the second base station sends a response message to the first base station, so that the first
- the base station notifies the user equipment that the D2D communication is performed on the first cell, where the response message is used to provide the user equipment with D2D communication resources of the first cell, and the first base station is the second of the user equipment.
- the second base station determines that the user equipment is incapable of performing D2D communication on the first cell
- the second base station sends a reply message to the first base station, so that the first second base station notifies the user equipment that the user equipment is unavailable. D2D communication is performed on the first cell.
- the determining whether the user equipment can perform D2D communication on the first cell includes:
- the method further includes:
- the second base station receives a request message sent by the first base station, where the request message is used to request that the user equipment be provided with resources for performing D2D communication.
- the request message includes: a cell identifier ECGI of the candidate cell, a physical cell identifier of the candidate cell, a PCI, a frequency of the cell, and a PLMN to which the candidate cell belongs.
- a cell identifier ECGI of the candidate cell a physical cell identifier of the candidate cell
- a PCI a PCI
- a frequency of the cell a PLMN to which the candidate cell belongs.
- PLMN to which the candidate cell belongs.
- the number M of resources of the D2D communication performed by the user equipment where the M is a positive integer.
- the candidate cell is the first cell.
- the method further includes:
- the second base station sends a first reply message to the first base station, where the reply message is used to indicate that no resource is provided for D2D communication.
- the D2D communication includes:
- ProSe Direct Discovery ProSe Relay Communication, ProSe Direct Communication, ProSe Direct Discovery, ProSe Relay Communication, and D2D ProSe Direct Communication message, receive D2D discovery message, receive D2D delay relay One or more of communication messages, listening for D2D discovery messages, and listening for D2D relay communication messages.
- an embodiment of the present invention provides a resource allocation method, including:
- the user equipment receives the response message sent by the base station, where the response message is used to provide the user equipment with the D2D communication resource of the first cell, where the first cell is the secondary cell or the non-serving cell of the user equipment. ;
- the user equipment performs D2D communication on the first cell.
- the method before the user equipment receives the response message sent by the base station, the method further includes:
- the user equipment sends a request message to the base station, where the request message is used to request a resource for the user equipment to perform D2D communication.
- the method further includes:
- the user equipment reports a neighbor cell measurement report to the base station, so that the base station determines, according to the neighbor cell measurement report, that the user equipment can perform D2D communication on the first cell, where the neighbor cell measurement report includes The signal quality on the first cell measured by the user equipment.
- the base station is a second cell and a base station of the first cell, and the second cell is a serving cell or a primary cell of the user equipment; or
- the base station is a base station of the second cell, and the second cell is a serving cell or a primary cell of the user equipment.
- the request message includes:
- a cell identifier ECGI of the candidate cell a physical cell identifier of the candidate cell, a PCI and a frequency of the cell, and one or more of the identifiers of the PLMN to which the candidate cell belongs; and/or,
- the number M of resources of the D2D communication performed by the user equipment where the M is a positive integer.
- the candidate cell is the first cell.
- the response message includes:
- L The number L of resources that the user equipment performs D2D communication, where L is a positive integer.
- the response message further includes:
- L The number L of resources that the user equipment performs D2D communication, where L is a positive integer.
- the response message further includes: a cell index Scellindex, where the cell index is used to indicate the first cell.
- the D2D communication includes:
- ProSe Direct Discovery ProSe Relay Communication
- ProSe Direct Communication ProSe Direct Communication
- Pro2 Direct Discovery ProSe Relay Communication
- D2D One or more of a ProSe Direct Communication message, a D2D discovery message, a D2D delayed relay communication message, a listening D2D discovery message, and a listening D2D relay communication message.
- the first cell and the second cell belong to different PLMNs or belong to the same PLMN.
- the first cell is a secondary cell or a non-serving cell of the user equipment, and the user equipment is authorized to perform D2D communication on the first cell; or
- the first cell is a secondary cell or a non-serving cell of the user equipment, and the user equipment is authorized to perform D2D communication by using resources of the first cell.
- an embodiment of the present invention provides a resource allocation method, including:
- the first base station sends a system message to the user equipment, where the system message includes a resource configuration for sending or listening to the Discovery message in the first cell, so that the user equipment is configured on the first cell according to the resource configuration.
- the first cell is a secondary cell or a non-serving cell of the user equipment.
- the first base station sends a system message to the user equipment, including:
- the first base station sends a system message to the user equipment in the second cell.
- the method further includes:
- the resource configuration message includes a resource configuration for receiving or transmitting a D2D discovery message in the first cell, where the second base station is a base station of the first cell .
- the first base station sends a system message to the user equipment, including:
- the first base station sends a system message to the user equipment in the first cell.
- an embodiment of the present invention provides a resource allocation method, including:
- the user equipment listens to the system message sent by the first base station; the system message includes a resource configuration for transmitting or listening to a Discovery message in the first cell, where the first cell is a secondary cell or a non-serving cell of the user equipment;
- the user equipment sends or listens to the Discovery message on the first cell according to the resource configuration of sending or listening to the Discovery message.
- the sending or listening to the Discovery message on the first cell includes:
- the user equipment sends or listens to a Discovery message on the authorized first cell;
- the user equipment is configured to listen to the system message, including:
- the user equipment listens to the system message in the first cell or the second cell, where the second cell is a primary cell or a serving cell of the user equipment.
- an embodiment of the present invention provides a base station, including:
- a determining unit configured to determine whether the user equipment can perform D2D communication on the first cell, where the first cell is a secondary cell or a non-serving cell of the user equipment;
- a sending unit configured to: when the determining unit determines that the user equipment can perform D2D communication on the first cell, the first base station sends a response message to the user equipment, so that the user equipment is in the Performing D2D communication on a cell; the response message is used to provide the user equipment with D2D communication resources of the first cell; or
- the first base station When the determining unit determines that the user equipment is incapable of performing D2D communication on the first cell, the first base station sends a reply message to the user equipment to notify the user equipment that D2D communication is not available on the first cell. .
- the base station is a base station of a second cell
- the second cell is a primary cell or a serving cell of the user equipment.
- the determining unit is specifically configured to:
- Determining whether the user equipment is authorized to perform D2D communication on the first cell if it is determined that the user equipment is authorized to perform D2D communication on the first cell, determining that the user equipment is available on the first cell Performing D2D communication; or determining that the user equipment is not authorized to perform D2D communication on the first cell if it is determined that the user equipment is not authorized to perform D2D communication;
- the base station further includes: a receiving unit;
- the receiving unit is configured to receive a neighbor cell measurement report reported by the user equipment before determining whether the signal quality of the user equipment on the first cell meets a preset threshold, where the neighbor cell measurement report includes The signal quality on the first cell measured by the user equipment.
- the receiving unit is further configured to:
- the first request message is used to request to determine a resource for the user equipment to perform D2D communication, including: a cell identifier of the candidate cell, an ECGI, and a candidate cell.
- the physical cell identifies one or more of the frequency of the PCI and the cell, and the identity of the PLMN to which the candidate cell belongs; and/or,
- the number M of resources of the D2D communication performed by the user equipment where the M is a positive integer.
- the candidate cell is the first cell; and the base station of the first cell is the first base station, or The base station of the first cell is the second base station.
- the sending unit is further configured to:
- the first base station Before the first base station receives the request message sent by the user equipment, sending a second request message to the second base station, where the second request message is used to request resources for performing D2D communication or for providing D2D Cell resources of the second base station for communication;
- the receiving unit is further configured to receive a first response message sent by the second base station, where the response message provides resources of a cell of the second base station, where the resource is used for D2D communication; or The response message includes resources for D2D communication on the first cell;
- the sending unit is further configured to send, to the second base station, a third request message, where the third request message is a resource for requesting the user equipment to perform D2D communication; and/or,
- the receiving unit is further configured to receive a response message sent by the second base station, where the response message is used to indicate that the user equipment can perform D2D communication on a first cell, where the response message includes the a resource that the end user communicates in the first cell D2D;
- the response message includes:
- L The number L of resources of the D2D communication performed by the user equipment, where L is a positive integer; and/or,
- the D2D communication resource configuration of the first cell dedicated resource configuration, resource pool configuration.
- the response message further includes:
- L The number L of resources that the user equipment performs D2D communication, where L is a positive integer.
- the response message includes: a cell index Scellindex, where the cell index is used to indicate the first cell.
- the D2D communication includes:
- ProSe Direct Discovery ProSe Relay Communication
- ProSe Direct Communication ProSe Direct Discovery
- ProSe Relay Communication ProSe Direct Discovery
- D2D One or more of a ProSe Direct Communication message, a D2D discovery message, a D2D delayed relay communication message, a listening D2D discovery message, and a listening D2D relay communication message.
- the method includes:
- the first base station is a base station of the second cell and the first cell.
- the receiving unit is specifically configured to receive, in the second cell, a first request message sent by the user equipment.
- an embodiment of the present invention provides a base station, including:
- a determining unit configured to determine whether the user equipment can perform D2D communication on the first cell, where the first cell is a secondary cell or a non-serving cell of the user equipment; and the second base station is the first cell Base station
- a sending unit configured to: when the determining unit determines that the user equipment can perform D2D communication on the first cell, send a response message to the first base station, where the response message is used to provide the user equipment with the first a D2D communication resource of the cell, where the first base station is a base station of a second cell of the user equipment, and the second cell is a primary cell or a serving cell of the user equipment; or
- the determining unit determines that the user equipment is incapable of performing D2D communication on the first cell, sending a reply message to the first base station, where the reply message is used to notify the user equipment that D2D cannot be performed on the first cell.
- the determining unit determines that the user equipment can perform D2D communication on the first cell, send a response message to the first base station, so that the first base station notifies the user equipment to perform D2D communication on the first cell;
- the response message is used to provide the user equipment with the D2D communication resource of the first cell, where the first base station is a base station of the second cell of the user equipment, and the second cell is the user equipment.
- the determining unit determines that the user equipment is incapable of performing D2D communication on the first cell, sending a reply message to the first base station, so that the first second base station notifies that the user equipment is not available on the first cell. D2D communication.
- the determining unit is specifically configured to:
- Determining whether the user equipment is authorized to perform D2D communication on the first cell If it is determined that the user equipment is authorized to perform D2D communication on the first cell, determining that the user equipment may perform D2D communication on the first cell; or, if it is determined that the user equipment is not authorized to perform D2D Communicating, determining that the user equipment is incapable of performing D2D communication on the first cell;
- the base station further includes:
- a receiving unit configured to receive, before the second base station determines whether the user equipment can perform D2D communication on the first cell, request message sent by the first base station, where the request message is used to request the user
- the device provides resources for D2D communication.
- the request message includes: a cell identifier ECGI of the candidate cell, a physical cell identifier of the candidate cell, a PCI, a frequency of the cell, and a PLMN to which the candidate cell belongs.
- a cell identifier ECGI of the candidate cell a physical cell identifier of the candidate cell
- a PCI a PCI
- a frequency of the cell a PLMN to which the candidate cell belongs.
- the number M of resources of the D2D communication performed by the user equipment where the M is a positive integer.
- the candidate cell is the first cell.
- the receiving unit is further configured to receive a first request message sent by the first base station, where the first request message is used to request resources for performing D2D communication or provide the second base station for D2D communication.
- Community resources
- the sending unit is further configured to send, to the first base station, a first response message, where the response message provides a resource of a cell of the second base station, where the resource is used for D2D communication; or the response message Include a resource for D2D communication on the first cell;
- the D2D communication includes:
- ProSe Direct Discovery ProSe Relay Communication
- ProSe Direct Communication ProSe Direct Discovery
- ProSe Relay Communication ProSe Direct Discovery
- D2D One or more of a ProSe Direct Communication message, a D2D discovery message, a D2D delayed relay communication message, a listening D2D discovery message, and a listening D2D relay communication message.
- the eighth aspect of the present invention provides a user equipment, including:
- a receiving unit configured to receive a response message sent by the base station, where the response message is used to provide the user equipment with a D2D communication resource of the first cell, where the first cell is a secondary cell of the user equipment or Non-serving cell;
- a sending unit configured to perform D2D communication on the first cell.
- the sending unit is further configured to: before the user equipment receives the response message sent by the base station, send a request message to the base station, where the request message is used to request A resource for the user equipment to perform D2D communication.
- the sending unit is further configured to report a neighbor cell measurement report to the base station, So that the base station determines, according to the neighbor cell measurement report, that the user equipment can perform D2D communication on the first cell, where the neighbor cell measurement report includes the signal on the first cell measured by the user equipment. quality.
- the base station is a base station of the second cell and the first cell
- the second cell is a serving cell of the user equipment. Or the primary cell; or,
- the base station is a base station of the second cell, and the second cell is a serving cell or a primary cell of the user equipment.
- the request message includes:
- a cell identifier ECGI of the candidate cell a physical cell identifier of the candidate cell, a PCI and a frequency of the cell, and one or more of the identifiers of the PLMN to which the candidate cell belongs; and/or,
- the number M of resources of the D2D communication performed by the user equipment where the M is a positive integer.
- the candidate cell is the first cell.
- the response message includes:
- L The number L of resources that the user equipment performs D2D communication, where L is a positive integer.
- the response message further includes:
- L The number L of resources that the user equipment performs D2D communication, where L is a positive integer.
- the response message further includes: a cell index Scellindex, where the cell index is used to indicate the first cell.
- the D2D communication includes:
- ProSe Direct Discovery ProSe Relay Communication
- ProSe Direct Communication ProSe Direct Communication
- Pro2 Direct Discovery ProSe Relay Communication
- D2D One or more of a ProSe Direct Communication message, a D2D discovery message, a D2D delayed relay communication message, a listening D2D discovery message, and a listening D2D relay communication message.
- the first cell and the second cell belong to different PLMNs or belong to the same PLMN.
- the first cell is a secondary cell or a non-serving cell of the user equipment, and the user equipment is authorized in the foregoing D2D communication on a cell; or,
- the first cell is a secondary cell or a non-serving cell of the user equipment, and the user equipment is authorized to perform D2D communication by using resources of the first cell.
- a ninth aspect, the embodiment of the present invention provides a base station, including:
- a sending unit configured to send a system message to the user equipment, where the system message includes a resource configuration for sending or listening to the Discovery message in the first cell, so that the user equipment is configured in the first according to the resource configuration Sending or listening to a Discovery message on the cell;
- the first cell is a secondary cell or a non-serving cell of the user equipment.
- the sending unit is specifically configured to: send a system message to the user equipment in the second cell.
- the base station further includes: a receiving unit,
- the receiving unit is configured to receive a resource configuration message sent by the second base station, where the resource configuration message includes a resource configuration that receives or sends a D2D discovery message in the first cell, where the second base station is the first cell Base station.
- the sending unit is specifically configured to:
- the system message is sent to the user equipment in the first cell.
- an embodiment of the present invention provides a user equipment, including:
- a listening unit configured to listen to a system message sent by the first base station;
- the system message includes a resource configuration for sending or listening to a Discovery message in the first cell, where the first cell is a secondary device of the user equipment a cell or a non-serving cell;
- a sending unit configured to send or listen to the Discovery message on the first cell according to the resource configuration of sending or listening to the Discovery message.
- the sending unit is specifically configured to:
- the listening unit is specifically configured to: listen to a system message in a first cell or a second cell, where the second The cell is a primary cell or a serving cell of the user equipment.
- the embodiment of the present invention provides a resource allocation method, device, and system, where a primary cell of a user equipment or a base station of a serving cell provides a D2D communication resource of a first cell to the user equipment, where the first cell is A secondary cell or a non-serving cell, so that the user equipment can communicate with the D2D communication resource of the secondary cell or the non-serving cell, and the communication resources of the user equipment are restricted to the primary cell or the serving cell of the user equipment in the prior art. , resulting in an increase in the load on the primary cell.
- FIG. 1 is a flowchart of a resource allocation method according to an embodiment of the present invention
- FIG. 2 is a flowchart of a resource allocation method according to an embodiment of the present invention.
- FIG. 3 is a flowchart of a resource allocation method according to an embodiment of the present invention.
- FIG. 4 is a flowchart of a resource allocation method according to an embodiment of the present invention.
- FIG. 5 is a flowchart of a resource allocation method according to an embodiment of the present invention.
- FIG. 6 is a flowchart of a resource allocation method according to an embodiment of the present invention.
- FIG. 7 is a flowchart of a resource allocation method according to an embodiment of the present invention.
- FIG. 8 is a flowchart of a resource allocation method according to an embodiment of the present invention.
- FIG. 9 is a flowchart of a communication method according to an embodiment of the present invention.
- FIG. 10 is a flowchart of a communication method according to an embodiment of the present invention.
- FIG. 11 is a flowchart of a communication method according to an embodiment of the present invention.
- FIG. 12 is a flowchart of a communication method according to an embodiment of the present invention.
- FIG. 13 is a structural diagram of a base station according to an embodiment of the present disclosure.
- FIG. 13 is a structural diagram of a base station according to an embodiment of the present invention.
- FIG. 14 is a structural diagram of a base station according to an embodiment of the present invention.
- FIG. 14 is a structural diagram of a base station according to an embodiment of the present invention.
- FIG. 15 is a structural diagram of a user equipment according to an embodiment of the present invention.
- FIG. 16 is a structural diagram of a resource allocation system according to an embodiment of the present invention.
- FIG. 17 is a structural diagram of a base station according to an embodiment of the present invention.
- FIG. 17 is a structural diagram of a base station according to an embodiment of the present invention.
- FIG. 18 is a structural diagram of a user equipment according to an embodiment of the present invention.
- FIG. 19 is a structural diagram of a resource allocation system according to an embodiment of the present invention.
- FIG. 20 is a structural diagram of a base station according to an embodiment of the present invention.
- 20A is a structural diagram of a base station according to an embodiment of the present invention.
- FIG. 21 is a structural diagram of a base station according to an embodiment of the present disclosure.
- 21A is a structural diagram of a base station according to an embodiment of the present invention.
- FIG. 22 is a structural diagram of a resource allocation system according to an embodiment of the present invention.
- FIG. 23 is a structural diagram of a base station according to an embodiment of the present disclosure.
- FIG. 24 is a structural diagram of a base station according to an embodiment of the present invention.
- FIG. 25 is a structural diagram of a user equipment according to an embodiment of the present disclosure.
- FIG. 26 is a structural diagram of a resource allocation system according to an embodiment of the present invention.
- FIG. 27 is a structural diagram of a base station according to an embodiment of the present invention.
- FIG. 28 is a structural diagram of a base station according to an embodiment of the present invention.
- FIG. 29 is a structural diagram of a resource allocation system according to an embodiment of the present invention.
- FIG. 30 is a structural diagram of a base station according to an embodiment of the present disclosure.
- FIG. 31 is a structural diagram of a base station according to an embodiment of the present disclosure.
- FIG. 32 is a structural diagram of a resource allocation system according to an embodiment of the present invention.
- the serving cell is a cell in which the user equipment resides;
- the serving cell is a cell that provides service for the user equipment.
- the primary cell or the secondary cell is a serving cell of the UE.
- the primary cell may mean that when the UE is configured to use multi-carrier aggregation (CA), the UE has only one RRC connection with the network.
- CA multi-carrier aggregation
- one serving cell of the UE provides NAS mobility information for the UE; and in order to establish an RRC connection re-establishment/handover, one serving cell provides security input for the UE, and the serving cell is the UE's main Community (When CA is configured, the UE only Has one RRC connection with the network.
- one serving cell provides the NAS mobility information (egTAI), and at RRC connection re-establishment/handover, one serving cell provides the security input.
- This cell is referred to as the Primary Cell (PCell).); or,
- the primary cell may refer to a multi-carrier scenario, in order to establish an RRC connection setup/re-establishment/handover, one serving cell of the UE provides NAS mobility information for the UE; and in order to establish an RRC connection re-establishment/handover, one serving cell A security input is provided for the UE, which is the primary cell of the UE.
- the primary cell may refer to a cell (Pcell) of the primary base station in a dual connectivity scenario
- the primary base station eg, a master eNB
- the primary base station may refer to a base station connected to the S1-MME interface in a dual connectivity scenario
- Master eNB in dual connectivitv, the eNB which terminates at least S1-MME.
- the primary cell may refer to the secondary base station of the user equipment, and the secondary base station has multiple cells serving the terminal, where the cell is the primary cell, and the primary cell provides the PUCCH or provides the uplink sending resource for the UE.
- the primary cell may also be other definitions, and the invention is not limited.
- the secondary cell may be a cell that provides a service for the UE, but the cell is not a primary cell; or a secondary cell; or a cell that provides data transmission for the user equipment; The cell that the DRB transmits; or, the user equipment is provided with a cell that transmits information on the PDSCH.
- the secondary base station may refer to the base station of the secondary cell of the UE, or the base station that provides additional resources for the UE in the dual connectivity scenario, but is not the primary base station (Secondary eNB: in dual connectivity, the eNB that is providing additional radio resources for the UE) But is not the Master eNB.)
- the non-serving cell may be a cell that does not provide service for the user equipment, or a cell that is not connected to the user equipment.
- the primary cell may be equivalent to the primary carrier and the secondary cell. It may be equivalent to a secondary carrier, and a non-serving cell may be equivalent to a non-serving carrier.
- the cell frequency is the center frequency used by the cell, and the cell frequency is equivalent to the carrier frequency.
- the embodiment of the present invention mainly uses a cell as an example to illustrate the content of the invention. All cells of the present invention may be equivalent to a carrier, for example, a non-serving cell is equivalent to a non-serving carrier. I will not repeat them here.
- D2D communication on the first cell may be equivalent to using the resources of the first cell for D2D communication. I will not repeat them here.
- FIG. 1 is a flowchart of a resource allocation method according to an embodiment of the present invention. As shown in FIG. 1, the method may include:
- the first base station determines whether the user equipment can perform D2D communication on the first cell. If yes, step 102A is performed; if not, step 102B is performed.
- the first base station may be the first base station of the second cell, and the second cell may be the primary cell or the serving cell of the user equipment.
- Whether the user equipment can perform D2D communication on the first cell may refer to whether the user equipment is authorized to perform D2D communication on the first cell; the first cell may be a secondary cell or a non-serving cell of the user equipment. .
- the D2D communication may be equivalent to a ProSe service, and may include one or more of the following communications: ProSe Direct Disc overv, ProSe relav Communication, and ProSe Direct Communication.
- Sending a D2D discovery (ProSe Direct Disc overv) message transmitting a D2D relay communication (ProSe relav Communication) message, transmitting a D2D communication (ProSe Direct Communication) message, receiving a D2D discovery message, receiving a D2D delayed relay communication message, and listening D2D discovery message.
- the first base station may determine whether the user equipment can perform D2D communication on the first cell by using any one or more of the following (1), (2), and (3).
- the first base station determines whether the user equipment is authorized to perform D2D communication on the first cell
- the first base station may determine, according to the first cell information and the PLMN (Public Land Mobile Network) information, whether the user equipment is authorized to perform D2D communication on the first cell;
- PLMN Public Land Mobile Network
- the authorized PLMN identifier provided in the PLMN information includes the PLMN identifier corresponding to the first cell, determining that the UE is authorized to perform D2D communication, or determining that the first cell is a cell that the user equipment can authorize D2D communication ;
- the authorized PLMN identifier provided in the PLMN information does not include the PLMN identifier corresponding to the first cell, determining that the UE is not authorized to perform D2D communication, or determining that the first cell is not the user equipment A cell that authorizes D2D communication.
- the first cell information is used to determine a PLMN identity corresponding to the first cell, and includes at least one of the following: an Evolved Cell Global Identifier, an egthe globally unique identity of a cell in E- UTRA), the PLMN identifier corresponding to the first cell or the physical layer identity of the first cell, the first cell frequency;
- the PLMN information is used to provide information about a PLMN authorization status, the PLMN information is used to provide information on the authorization status of PLMN for ProSe services, or to indicate a user.
- the device is authorized to perform D2D communication (indicating in which PLMN the UE is authorized for ProSe services), or is used to indicate that the user equipment is authorized to perform D2D communication in the cells corresponding to the PLMN; may include one or more of the following: item:
- the authorization status of each PLMN includes ture or fail; the "ture” indicates that the PLMN is a PLMN authorized by the UE, or the PLMN is the UE A PLMN authorized to perform D2D communication.
- the "fale” indicates that the PLMN is not authorized by the UE.
- the PLMN, or the PLMN is a PLMN for which the UE is not authorized to perform D2D communication.
- the first base station determines whether resources are allocated to the user equipment on the first cell
- the first base station determines whether the signal quality of the user equipment on the first cell meets a preset threshold, and includes:
- the preset threshold may be set as needed, which is not limited in this embodiment of the present invention.
- the first base station further needs to receive the neighbor cell measurement report reported by the user equipment, where the neighboring cell measurement report includes the first cell measured by the user equipment. Signal quality.
- the first base station sends a response message to the user equipment, so that the user equipment performs D2D communication on the first cell.
- the response message is used to provide the user equipment with the D2D communication resource on the first cell, which may include:
- L The number L of resources of the D2D communication performed by the user equipment, where L is a positive integer; and/or,
- D2D communication resource configuration of the first cell dedicated resource configuration, resource pool Configuration (resource pool configuration);
- the UE autonomously selects a resource in the resource pool, where the resource is used for performing D2D communication (for example, sending a discoery message, that is, a discovery message announcement);
- the UE autonomously selects a resource on the dedicated resource in the resource pool, where the resource is used for the UE to perform D2D communication (for example, sending a discery message, that is, a discovery message announcement)
- the UE performs D2D communication by using dedicated resources in the resource pool.
- the eNB provides a dedicated resource configuration of the resource pool to the UE for D2D communication (The eNB may configure resource pool along with dedicated resource in the form of time and frequency indices for ProSe service, e, g discovery message announcement).
- L The number L of resources that the user equipment performs D2D communication, where L is a positive integer.
- the number of resources L may be used to indicate the number of resources that the UE requests to send a D2D message, and may include the number of messages that the UE wants to send in each period.
- L may be disc TxResourceReq (indicating the number of resources that the UE requests to send a discovery message for each discovery period, and may include the number of discovery messages that the UE wants to send in each transmission period) (Indicates number of resources the UE requires every The discovery period for transmitting sidelink direct discovery announcement. It concerns the number of separate discovery messages (s) the UE wants to transmit every discovery period).
- the response message may further include: a cell index (Scellindex), where the cell index is used to indicate the first cell.
- Scellindex a cell index
- the first base station sends a reply message to the user equipment, where The reply message is used to notify the user equipment that D2D communication is not possible on the first cell.
- the first cell and the second cell may belong to the same PLMN or different PLMNs.
- the first base station is a second cell and a base station of the first cell
- the first base station is a second cell base station
- the second base station is a base station of the first cell
- the first base station may perform the foregoing process at the request of the user equipment, in addition to actively providing the D2D communication resource for the user equipment by using the foregoing method, as follows:
- the first base station receives a first request message sent by the user equipment, where the first request message is used to request that the user equipment be provided with resources for performing D2D communication.
- the first request message may include:
- a cell identifier ECGI of the candidate cell a physical cell identifier of the candidate cell, a PCI and a frequency of the cell, and one or more of the identifiers of the PLMN to which the candidate cell belongs; and/or,
- the number M of resources of the D2D communication performed by the user equipment where the M is a positive integer
- the candidate cell may be a cell that the user equipment wants to perform D2D communication.
- the candidate cell may be the first cell; the number of the resources M, where the M is a positive integer may be used.
- the number of resources that the UE is requested to send for the D2D message may include the number of messages that the UE wishes to send in each cycle.
- M may be disc TxResourceReq (indicating the number of resources that the UE requests to send a discovery message for each discovery period, and may include the number of discovery messages that the UE wants to send in each transmission period) (Indicates number of resources the UE requires every The discovery period for transmitting sidelink direct discovery announcement. It concerns the number of separate discovery messages (s) the UE wants to transmit every discovery period).
- the base station of the first cell is the second base station
- the first base station needs to retrieve some available resource information from itself or the second base station in advance to allocate the user equipment that needs the D2D communication resource, specifically:
- the first base station sends a second request message to the second base station, where the request message is used to request resources for performing D2D communication or provide cell resources of the first base station for D2D communication, and the resource may be used for D2D Communication
- the first base station Receiving, by the first base station, a first response message sent by the second base station, where the first response message provides resources of a cell of the second base station, the resource is used for D2D communication; or the first response The message includes resources for D2D communication on the first cell; or
- the first base station receives the second base station to send a first reply message, where the first reply message is used to indicate that no resources are provided for D2D communication.
- the first base station may further perform the foregoing steps after receiving the first request message sent by the user, but send the request message to the The second base station of the first cell performs the determination of the D2D communication resource by the second base station of the first cell, and after receiving the determination result of the second base station, the first base station sends a corresponding message to the user equipment, as follows:
- the first base station sends a third request message to the second base station, where the third request message is used to request, for the user equipment, a resource for performing D2D communication;
- the first base station receives the response message sent by the second base station, where the response message includes resource information that the user equipment communicates in the first cell D2D, indicating that the user equipment can perform D2D communication on the first cell; or,
- the first base station receives the reply message sent by the second base station, where the reply message does not include the resource information of the first cell user equipment in the first cell D2D communication, indicating that the user equipment is not available on the first cell. Perform D2D communication.
- the embodiment of the present invention provides a resource allocation method, where a primary cell of a user equipment or a base station of a serving cell provides a first cell for the user equipment.
- the D2D communication resource wherein the first cell is a secondary cell or a non-serving cell, so that the user equipment can use the D2D communication resource of the secondary cell or the non-serving cell to communicate, thereby avoiding limitation of communication resources of the user equipment in the prior art.
- the problem that the primary cell load increases on the primary cell or the serving cell of the user equipment.
- the first cell and the second cell may belong to different PLMNs or may belong to the same PLMN.
- the invention is not limited.
- the base station of the first cell and the base station of the second cell may belong to different PLMNs or may belong to the same PLMN. Do not repeat them one by one.
- FIG. 2 is a flowchart of a resource allocation method according to an embodiment of the present invention. As shown in FIG. 2, the method may include:
- the second base station determines whether the user equipment can perform D2D communication on the first cell, and if yes, performs 202A; if not, performs 202B.
- the first cell is a secondary cell or a non-serving cell of the user equipment
- the second base station is a base station of the first cell
- the secondary cell may be a cell that provides a service for the UE, but the cell is not a primary cell; or a secondary cell; or a cell that provides data transmission for the user equipment; The cell that the DRB transmits; or, the user equipment is provided with a cell that transmits information on the PDSCH.
- the non-serving cell may be a cell that does not provide service for the user equipment, or a cell that is not connected to the user equipment.
- the D2D communication may be equivalent to a ProSe service, and may include one or more of the following communications: ProSe Direct Discovery, ProSe Relay Communication, ProSe Direct Communication, and D2D Discovery ( ProSe Direct Discovery message, send D2D relay communication (ProSe Relay Communication) message, send D2D communication (ProSe Direct Communication) message, receive D2D discovery message, receive D2D delayed relay communication message, and listen for D2D discovery message.
- the second base station may adopt any one of the following (1), (2), and (3) or There are various ways to determine whether the user equipment can perform D2D communication on the first cell.
- the second base station determines whether the user equipment is authorized to perform D2D communication on the first cell
- the second base station may determine, according to the first cell information and the PLMN information, whether the user equipment is authorized to perform D2D communication on the first cell;
- the authorized PLMN identifier provided in the PLMN information includes the PLMN identifier corresponding to the first cell, determining that the UE is authorized to perform D2D communication, or determining that the first cell is a cell that the user equipment can authorize D2D communication ;
- the authorized PLMN identifier provided in the PLMN information does not include the PLMN identifier corresponding to the first cell, determining that the UE is not authorized to perform D2D communication, or determining that the first cell is not the user equipment A cell that authorizes D2D communication.
- the first cell information is used to determine a PLMN identity corresponding to the first cell, and includes at least one of the following: the first cell indicates an ECGI, the PLMN identifier corresponding to the first cell, or the physical layer of the first cell indicates PCI.
- the PLMN information is used to provide information about a PLMN authorization status, the authorization PLMN is used for the authorization status of the PLMN for ProSe services, or to indicate which PLMN the user equipment is authorized to. Indicating in which PLMN the UE is authorized for ProSe services), or for indicating that the user equipment is authorized to perform D2D communication in the cells corresponding to the PLMN; may include one or more of the following:
- the PLMN indication of at least one authorized PLMN the PLMN indication of at least one unauthorized PLMN, the PLMN(s) supported by the user equipment, and the authorization status of each PLMN.
- the first base station determines whether resources are allocated to the user equipment on the first cell
- the first base station determines whether the signal quality of the user equipment on the first cell meets a preset threshold, and includes:
- the preset threshold may be set as needed, which is not limited in this embodiment of the present invention.
- the first base station further needs to receive the neighbor cell measurement report reported by the user equipment, where the neighboring cell measurement report includes the first cell measured by the user equipment. Signal quality.
- the second base station sends a response message to the first base station, so that the first base station notifies the user equipment to perform D2D communication on the first cell.
- the response message is used to provide the user equipment with the D2D communication resource of the first cell, and the user equipment is provided with the D2D communication resource on the first cell, which may include:
- L The number L of resources of the D2D communication performed by the user equipment, where L is a positive integer; and/or,
- the D2D communication resource configuration of the first cell a dedicated resource configuration, and a resource pool configuration;
- the UE autonomously selects a resource in the resource pool, where the resource is used for performing D2D communication (for example, sending a discoery message, that is, a discovery message announcement);
- the UE autonomously selects a resource on the dedicated resource in the resource pool, where the resource is used for the UE to perform D2D communication (for example, sending a discery message, that is, a discovery message announcement)
- the UE performs D2D communication by using dedicated resources in the resource pool.
- the eNB provides a dedicated resource configuration of the resource pool to the UE for D2D communication (The eNB may configure resource pool along with dedicated resource in the form of time and frequency indices for ProSe service, e, g discovery message announcement).
- L The number L of resources that the user equipment performs D2D communication, where L is a positive integer.
- the number of resources L may be discTxResourceReq (used to indicate the number of resources that the UE requests to send a discovery message for each discovery period, and may include the UE that wants to send a discovery message in each transmission period. (Indicates number of resources the UE requires every discovery period for transmitting sidelink direct discovery announcement. It concerns the number of separate discovery message(s) the UE wants to transmit every discovery period).
- the response message may further include: a cell index (Scellindex), where the cell index is used to indicate the first cell.
- Scellindex a cell index
- the first base station is a base station of a second cell of the user equipment, and the second cell is a primary cell or a serving cell of the user equipment.
- the second base station sends a reply message to the first base station, so that the first base station notifies the user equipment that D2D communication is not available on the first cell.
- the method may further include:
- the first request message is used to request that the user equipment be provided with resources for performing D2D communication.
- the first request message may include:
- a cell identifier ECGI of the candidate cell a physical cell identifier of the candidate cell, a PCI and a frequency of the cell, and one or more of the identifiers of the PLMN to which the candidate cell belongs; and/or,
- the number M of resources of the D2D communication performed by the user equipment where the M is a positive integer
- the candidate cell may be a cell that the user equipment wants to perform D2D communication.
- the candidate cell may be the first cell; the number of the resources M, where the M is a positive integer may be used.
- the number of resources that the UE is requested to send for the D2D message may include the number of messages that the UE wishes to send in each cycle.
- M may be discTxResourceReq (indicating the number of resources that the UE requests to send a discovery message for each discovery period, and may include the number of discovery messages that the UE wants to send in each transmission period) (Indicates number of resources the UE requires every discovery) The period for transmitting sidelink direct discovery announcement. It concerns the number of separate discovery message(s) the UE wants to transmit every discovery period).
- the second base station may further provide resource information in advance for the first base station to provide the D2D communication resource for the user equipment that needs the communication resource, specifically:
- the response message includes a resource for D2D communication on the first cell;
- the second base station sends a reply message to the first base station, where the reply message is used to indicate that no resources are provided for D2D communication.
- the embodiment of the present invention provides a resource allocation method, in which a secondary cell or a non-serving cell base station of a user equipment provides a D2D communication resource of a first cell to the user equipment, where the first cell is a secondary cell or a non-
- the serving cell in this way, enables the user equipment to use the D2D communication resource of the secondary cell or the non-serving cell to communicate, which avoids limiting the communication resources of the user equipment to the primary cell of the user equipment in the prior art, resulting in an increase in the load of the primary cell.
- FIG. 3 is a flowchart of a resource allocation method according to an embodiment of the present invention. As shown in FIG. 3, the method may include:
- the user equipment receives a response message sent by the base station, where the response message is used to provide the user equipment with a D2D communication resource of the first cell, where the first cell is a secondary cell or a non-user of the user equipment. Service area.
- the secondary cell may provide a serving cell to the UE, but the cell is not a primary cell; or a secondary cell; or a cell that provides data transmission for the user equipment;
- the device provides a cell for DRB transmission; or, the user equipment is provided with a cell that transmits information on the PDSCH;
- the non-serving cell may be a cell that does not provide service for the user equipment, or a cell that is not connected to the user equipment.
- the D2D communication is equivalent to a ProSe service, and may include one or more of the following communications: ProSe Direct Discovery, ProSe Relay Communication, ProSe Direct Communication, and D2D Discovery (ProSe) Direct Discovery) message, send D2D relay communication (ProSe Relay Communication) message, send D2D communication (ProSe Direct Communication) message, receive D2D discovery message, receive D2D delayed relay communication message, and listen for D2D discovery message.
- ProSe Direct Discovery ProSe Relay Communication
- ProSe Direct Communication ProSe Direct Communication
- the response message may include: a cell identifier of the first cell, a physical cell identifier PCI of the first cell, a frequency of the first cell, and an identifier of a PLMN to which the first cell belongs or a plurality of; and/or the number L of resources of the user equipment for D2D communication, where L is a positive integer.
- the number of resources L may be used to indicate the number of resources that the UE requests to send a D2D message, and may include the number of messages that the UE wants to send in each period.
- L may be discTxResourceReq (indicating the number of resources that the UE requests to send a discovery message for each discovery period, and may include the number of discovery messages that the UE wants to send in each transmission period) (Indicates number of resources the UE requires every discovery) The period for transmitting sidelink direct discovery announcement. It concerns the number of separate discovery message(s) the UE wants to transmit every discovery period).
- the response message further includes:
- L The number L of resources that the user equipment performs D2D communication, where L is a positive integer.
- the response message further includes: a cell index Scellindex, where the cell index is used to indicate the first cell.
- the user equipment performs D2D communication on the first cell.
- the method further includes:
- the user equipment sends a request message to the base station, where the request message is used to request the user equipment to provide the D2D communication resource, which may include:
- a cell identifier ECGI of the candidate cell a physical cell identifier of the candidate cell, a PCI and a frequency of the cell, and one or more of the identifiers of the PLMN to which the candidate cell belongs; and/or,
- the number M of resources that the user equipment performs D2D communication in the candidate cell where the M is a positive integer.
- the candidate cell may be a cell on which the user equipment wants to perform D2D communication; preferably, the candidate cell may be the first cell.
- the method further includes:
- the user equipment reports a neighbor cell measurement report to the base station, so that the base station determines, according to the neighbor cell measurement report, that the user equipment can perform D2D communication on the first cell, where the neighbor cell measurement report includes The signal quality on the first cell measured by the user equipment.
- the base station may be a base station that is common to the second cell and the first cell, where the second cell is a serving cell or a primary cell of the user equipment, where The first cell and the second cell belong to the same PLMN or different PLMNs;
- the embodiment of the present invention provides a resource allocation method, where a user equipment receives a D2D communication resource for a first cell, where the first cell is a secondary cell or a non-serving cell, so that the user equipment can use the secondary cell.
- the D2D communication resources of the non-serving cell are communicated, which avoids the problem that the communication resources of the user equipment are restricted to the primary cell of the user equipment in the prior art, resulting in an increase in the load of the primary cell.
- FIG. 4 is a flowchart of a resource allocation method according to an embodiment of the present invention.
- the eNB is a base station of a second cell, and the second base station may be a primary base station or service of a user equipment.
- the base station, the method may include:
- the user equipment sends a request message to the eNB.
- the request message is used to request to provide the user equipment with resources for performing D2D communication, and the method may include:
- Cell ID of candidate cell ECGI Physical cell identity of candidate cell PCI and One or more of the frequency of the cell and the identity of the PLMN to which the candidate cell belongs; and/or,
- the number M of resources of the D2D communication performed by the user equipment where the M is a positive integer
- the candidate cell may be a cell that the user equipment wants to perform D2D communication.
- the candidate cell may be the first cell; the number of the resources M, where the M is a positive integer may be used.
- the number of resources that the UE is requested to send for the D2D message may include the number of messages that the UE wishes to send in each cycle.
- M may be discTxResourceReq (indicating the number of resources that the UE requests to send a discovery message for each discovery period, and may include the number of discovery messages that the UE wants to send in each transmission period) (Indicates number of resources the UE requires every discovery) The period for transmitting sidelink direct discovery announcement. It concerns the number of separate discovery message(s) the UE wants to transmit every discovery period).
- the candidate cell may be a first cell, and the first cell may be a secondary cell or a non-serving cell of the user equipment; the eNBs of the first cell and the second cell are all the eNB, and The first cell and the second cell may belong to the same PLMN or different PLMNs.
- the eNB determines whether the user equipment performs D2D communication on the first cell, and if yes, performs step 403; if not, performs step 404.
- step 302 is the same as the specific process in step 101 in the first embodiment, and details are not described herein again.
- the eNB sends a response message to the user equipment.
- the response message is used to provide the user equipment with the D2D communication resource on the first cell, which may include:
- the number L of resources of the user equipment for D2D communication where L is a positive integer; And / or,
- the D2D communication resource configuration of the first cell a dedicated resource configuration, and a resource pool configuration;
- the UE autonomously selects a resource in the resource pool, where the resource is used for performing D2D communication (for example, sending a discoery message, that is, a discovery message announcement);
- the UE autonomously selects a resource on the dedicated resource in the resource pool, where the resource is used for the UE to perform D2D communication (for example, sending a discery message, that is, a discovery message announcement)
- the UE performs D2D communication by using dedicated resources in the resource pool.
- the eNB provides a dedicated resource configuration of the resource pool to the UE for D2D communication (The eNB may configure resource pool along with dedicated resource in the form of time and frequency indices for ProSe service, e, g discovery message announcement).
- L The number L of resources that the user equipment performs D2D communication, where L is a positive integer.
- the number of resources L may be used to indicate the number of resources that the UE requests to send a D2D message, and may include the number of messages that the UE wants to send in each period.
- L may be discTxResourceReq (indicating the number of resources that the UE requests to send a discovery message for each discovery period, and may include the number of discovery messages that the UE wants to send in each transmission period) (Indicates number of resources the UE requires every discovery) The period for transmitting sidelink direct discovery announcement. It concerns the number of separate discovery message(s) the UE wants to transmit every discovery period).
- the response message may further include: a cell index (Scellindex), where The cell index is used to indicate the first cell.
- Scellindex a cell index
- the eNB sends a reply message to the user equipment.
- the reply message is used to notify the user equipment that D2D communication is not possible on the first cell.
- the embodiment of the present invention provides a resource allocation method, where a user equipment receives a D2D communication resource for a first cell, where the first cell is a secondary cell or a non-serving cell, so that the user equipment can use the secondary cell.
- the D2D communication resource of the non-serving cell communicates, which avoids the problem that the communication resource of the user equipment is restricted to the primary cell of the user equipment in the prior art, and the load of the primary cell increases.
- FIG. 5 is a flowchart of a resource allocation method according to an embodiment of the present invention.
- eNB1 is a base station of a second cell, and the second base station may be a primary base station or a serving base station of a user equipment.
- the eNB2 is a base station of the first cell, and the first cell may be a secondary base station or a non-serving cell base station of the user equipment; the method may include:
- eNB1 sends a first request message to eNB2.
- the first request message is used to: wherein the request message is used to request a resource for D2D communication or provide a cell resource of the base station for D2D communication, and the resource may be used for D2D communication.
- eNB2 sends a first response message to eNB1.
- the first response message provides resources of a cell of the eNB2, where the resource is used for D2D communication; or the first response message includes a resource for D2D communication on the first cell;
- the eNB2 sends a first reply message to the eNB1, where the first reply message is used to indicate that no resource is provided for D2D communication, indicating that the D2D communication is not available.
- the eNB1 receives a second request message sent by the user equipment.
- the second request message is used to request to provide the user equipment with resources for performing D2D communication, and may include:
- a cell identifier ECGI of the candidate cell a physical cell identifier of the candidate cell, a PCI and a frequency of the cell, and one or more of the identifiers of the PLMN to which the candidate cell belongs; and/or,
- the number M of resources of the D2D communication performed by the user equipment where the M is a positive integer
- the candidate cell may be a cell in which the user equipment is required to perform D2D communication.
- the candidate cell may be the first cell; the number of resources M, the M is a positive integer, and may be The number of resources used to indicate the UE requesting to send a D2D message may include the number of messages that the UE wishes to send in each cycle.
- M may be discTxResourceReq (indicating the number of resources that the UE requests to send a discovery message for each discovery period, and may include the number of discovery messages that the UE wants to send in each transmission period) (Indicates number of resources the UE requires every discovery) The period for transmitting sidelink direct discovery announcement. It concerns the number of separate discovery message(s) the UE wants to transmit every discovery period).
- the candidate cell may be a first cell, and the first cell may be a secondary cell or a non-serving cell of the user equipment; the eNBs of the first cell and the second cell are all the eNB, and The first cell and the second cell may belong to the same PLMN or different PLMNs.
- the number of candidate cells may be one or more.
- the number of the first cells may be one or more.
- the eNB1 determines whether the user equipment performs D2D communication on the first cell, and if yes, performs step 506; if not, performs step 507.
- step 505 is the same as the specific process of step 101 in the first embodiment, and details are not described herein again.
- the eNB1 sends a second response message to the user equipment.
- the second response message is used to provide the user equipment with the D2D communication resource on the first cell, which may include:
- a cell identifier of the first cell and a physical cell identifier PCI of the first cell And one or more of a frequency of the first cell and an identifier of a PLMN to which the first cell belongs; and/or,
- L The number L of resources of the D2D communication performed by the user equipment, where L is a positive integer; and/or,
- the D2D communication resource configuration of the first cell a resource pool configuration
- the UE autonomously selects a resource in the resource pool, where the resource is used for performing D2D communication (for example, sending a discoery message, that is, a discovery message announcement);
- the UE autonomously selects a resource on the dedicated resource in the resource pool, where the resource is used for the UE to perform D2D communication (for example, sending a discery message, that is, a discovery message announcement)
- the UE performs D2D communication by using dedicated resources in the resource pool.
- the eNB provides a dedicated resource configuration of the resource pool to the UE for D2D communication (The eNB may configure resource pool along with dedicated resource in the form of time and frequency indices for ProSe service, e, g discovery message announcement).
- L The number L of resources that the user equipment performs D2D communication, where L is a positive integer.
- the number of resources L may be used to indicate the number of resources that the UE requests to send a D2D message, and may include the number of messages that the UE wants to send in each period.
- L may be discTxResourceReq (indicating the number of resources that the UE requests to send a discovery message for each discovery period, and may include the number of discovery messages that the UE wants to send in each transmission period) (Indicates number of resources the UE requires every discovery) Period for transmitting sidelink direct discovery announcement.It concerns the number of Separate discovery message(s) the UE wants to transmit every discovery period).
- the response message may further include: a cell index (Scellindex), where the cell index is used to indicate the first cell.
- Scellindex a cell index
- the eNB1 sends a second reply message to the user equipment.
- the second reply message is used to notify the user equipment that D2D communication is not possible on the first cell.
- the embodiment of the present invention provides a resource allocation method, where a user equipment receives a D2D communication resource for a first cell, where the first cell is a secondary cell or a non-serving cell, so that the user equipment can use the secondary cell.
- the D2D communication resource of the non-serving cell communicates, which avoids the problem that the communication resource of the user equipment is restricted to the primary cell of the user equipment in the prior art, and the load of the primary cell increases.
- FIG. 6 is a flowchart of a resource allocation method according to an embodiment of the present invention.
- eNB1 is a base station of a second cell, and the second base station may be a primary base station or a serving base station of a user equipment.
- the eNB2 is a base station of the first cell, and the first cell may be a secondary base station or a non-serving cell base station of the user equipment; the method may include:
- the eNB1 receives a request message sent by the user equipment.
- the request message is used to request to provide the user equipment with resources for performing D2D communication, and the method may include:
- a cell identifier ECGI of the candidate cell a physical cell identifier of the candidate cell, a PCI and a frequency of the cell, and one or more of the identifiers of the PLMN to which the candidate cell belongs; and/or,
- the number M of resources of the D2D communication performed by the user equipment where the M is a positive integer
- the candidate cell may be a cell that the user equipment wants to perform D2D communication.
- the candidate cell may be the first cell; the number of the resources M, where the M is a positive integer may be used.
- the number of resources that the UE is requested to send for the D2D message may include the number of messages that the UE wishes to send in each cycle.
- M may be discTxResourceReq (indicating the number of resources that the UE requests to send a discovery message for each discovery period, and may include the number of discovery messages that the UE wants to send in each transmission period) (Indicates number of resources the UE requires every discovery) The period for transmitting sidelink direct discovery announcement. It concerns the number of separate discovery message(s) the UE wants to transmit every discovery period).
- the candidate cell may be a first cell, and the first cell may be a secondary cell or a non-serving cell of the user equipment; the eNBs of the first cell and the second cell are all the eNB, and The first cell and the second cell may belong to the same PLMN or different PLMNs.
- the eNB1 sends the request message to the eNB2.
- the eNB2 determines, according to the request message, whether the user equipment performs D2D communication on the first cell, and if yes, performs steps 604-605; if not, performs steps 606-607.
- step 604 is the same as the specific process of step 201 in the second embodiment, and details are not described herein again.
- the eNB2 sends a response message to the eNB1, where the second response message is used to provide the user equipment with the D2D communication resource on the first cell, which may include:
- L The number L of resources of the D2D communication performed by the user equipment, where L is a positive integer; and/or,
- the D2D communication resource configuration of the first cell a dedicated resource configuration, and a resource pool configuration;
- the UE autonomously selects a resource in the resource pool, where the resource is used for performing D2D communication (for example, sending a discoery message, that is, a discovery message announcement);
- the UE autonomously selects a resource on the dedicated resource in the resource pool, where the resource is used for the UE to perform D2D communication (for example, sending a discery message, that is, a discovery message announcement)
- the UE performs D2D communication by using dedicated resources in the resource pool.
- the eNB provides a dedicated resource configuration of the resource pool to the UE for D2D communication (The eNB may configure resource pool along with dedicated resource in the form of time and frequency indices for ProSe service, e, g discovery message announcement).
- L The number L of resources that the user equipment performs D2D communication, where L is a positive integer.
- the number of resources L may be used to indicate the number of resources that the UE requests to send a D2D message, and may include the number of messages that the UE wants to send in each period.
- L may be discTxResourceReq (indicating the number of resources that the UE requests to send a discovery message for each discovery period, and may include the number of discovery messages that the UE wants to send in each transmission period) (Indicates number of resources the UE requires every discovery) The period for transmitting sidelink direct discovery announcement. It concerns the number of separate discovery message(s) the UE wants to transmit every discovery period).
- the response message may further include: a cell index (Scellindex), where the cell index is used to indicate the first cell.
- Scellindex a cell index
- the eNB1 sends the response message to the user equipment.
- the eNB2 sends a reply message to the eNB1.
- the second reply message is used to notify the user equipment that D2D communication is not possible on the first cell.
- the eNB1 sends the reply message to the user equipment.
- the embodiment of the present invention provides a resource allocation method, where a user equipment receives a D2D communication resource for a first cell, where the first cell is a secondary cell or a non-serving cell, so that the user equipment can use the secondary cell.
- the D2D communication resource of the non-serving cell communicates, which avoids the problem that the communication resource of the user equipment is restricted to the primary cell of the user equipment in the prior art, and the load of the primary cell increases.
- the present invention also provides a scheme for the user equipment to autonomously listen for available D2D communication resources, which is specifically implemented as follows. Example 7 is described.
- FIG. 7 is a flowchart of still another resource allocation method according to an embodiment of the present invention. As shown in FIG. 7, the method may include:
- the first base station sends a system message to the user equipment.
- the system message includes a resource configuration for sending or listening to the Discovery message in the first cell, so that the user equipment sends or listens to the Discovery message on the first cell according to the resource configuration.
- the Discovery message may also be equivalent to a ProSe Direct Discovery message, a D2D Discovery message, a D2D Direct Discovery message, and a D2D message.
- the Discovery message is a message sent between two devices, such as a message sent by the user equipment 1 to the user equipment 2, or a message sent by the device 3 to the user equipment 1.
- the resource configuration includes at least one of the following: a first cell frequency, a cell identifier of the first cell, an ECGI, a PCI of the first cell, and a PLMN of the first cell;
- the resource configuration also includes a resource pool configuration.
- the resource pool configuration may include a configuration of time-frequency resources.
- the first cell is a secondary cell or a non-serving cell of the user equipment;
- the first base station may be a second cell or a base station of the first cell, and the second cell may be a primary cell of the user equipment or Service area.
- the sending, by the first base station, the system message to the user equipment may include:
- the first base station sends a system message to the user equipment in the second cell;
- the first base station sends a system to the user equipment in the first cell.
- the first base station may obtain the first cell from another node (such as another base station, or OAM) before sending the system message to the user equipment.
- another node such as another base station, or OAM
- the resource configuration resource configuration for sending or listening to Discovery messages is as follows:
- the resource configuration message includes a resource configuration for receiving or transmitting a D2D discovery message in the first cell, where the second base station is a base station of the first cell ;
- the first base station is a first base station of the second cell.
- the embodiment of the present invention provides a resource allocation method, where the first base station sends a system message, so that the user equipment sends or listens to the Discovery message on the first cell, where the first cell is a secondary cell of the user equipment. Or a non-serving cell; avoiding the problem that the communication resource of the user equipment is restricted to the primary cell of the user equipment in the prior art, resulting in an increase in the load of the primary cell.
- FIG. 8 is a flowchart of still another resource allocation method according to an embodiment of the present invention. As shown in FIG. 8, the method may include:
- the user equipment listens to a system message sent by the first base station.
- the system message includes a resource configuration for transmitting or listening to a Discovery message in the first cell, where the first cell is a secondary cell or a non-serving cell of the user equipment.
- the Discovery message may also be equivalent to a ProSe Direct Discovery message, a D2D Discovery message, a D2D Direct Discovery message, and a D2D message.
- the Discovery message is a message sent between two devices, such as a message sent by the user equipment 1 to the user equipment 2, or a message sent by the device 3 to the user equipment 1.
- the resource configuration includes at least one of the following: a first cell frequency, a cell identifier of the first cell, an ECGI, a PCI of the first cell, and a PLMN of the first cell;
- the resource configuration also includes a resource pool configuration.
- the resource pool configuration may include a configuration of time-frequency resources.
- the user equipment sends or listens to the Discovery message on the first cell according to the resource configuration of sending or listening to the Discovery message.
- the sending or listening to the Discovery message on the first cell may include:
- the user equipment sends or listens to a Discovery message on the authorized first cell;
- the user equipment listening system message may include:
- the user equipment listens to the system message on the first cell or the second cell, where the second cell is a primary cell or a serving cell of the user equipment.
- the embodiment of the present invention provides a resource allocation method, in which the user equipment listens for a system message, and sends or listens to a Discovery message on the first cell indicated by the system message, where the first cell is a secondary device of the user equipment.
- the cell or the non-serving cell avoids the problem that the communication resource of the user equipment is restricted to the primary cell of the user equipment in the prior art, resulting in an increase in the load of the primary cell.
- FIG. 9 is a flowchart of a communication method according to an embodiment of the present invention. As shown in FIG. 9, the method may include:
- the first base station receives the first message.
- the first message includes PLMN information, and the first message is used to provide information about a PLMN authorization status.
- the authorized PLMN is used for the authorization status of PLMN for ProSe services. Or indicating to which PLMN the UE is authorized for ProSe services.
- the PLMN information may include: a PLMN indicator, the PLMN The indication is used to indicate whether the PLMN corresponding to the PLMN indication is authorized for D2D communication.
- the PLMN information further includes:
- PLMN marking of at least one authorized PLMN and/or
- At least one PLMN label of an unauthorized PLMN and/or
- the PLMN(s) supported by the UE where the authorization status of each PLMN.
- the first base station may receive the first message sent by the mobility management entity MME of the user equipment or the third base station, where the third base station may be a secondary base station or a non-serving base station of the user equipment. .
- the first base station determines, according to the PLMN information in the first message, whether the user equipment is authorized to perform D2D communication (ProSe Services).
- the D2D communication may be equivalent to a ProSe service, and may include one or more of the following communications: ProSe Direct Discovery, ProSe Relay Communication, ProSe Direct Communication, Send D2D discovery (ProSe Direct Discovery) message, send D2D relay communication (ProSe Relay Communication) message, send D2D communication (ProSe Direct Communication) message, receive D2D discovery message, receive D2D delayed relay communication message, listen for D2D discovery Message.
- the determining whether the UE is authorized to perform D2D communication may include:
- the UE Determining whether the UE is authorized to perform D2D communication on the first cell, where the first cell is a non-serving cell or a secondary cell of the user equipment or a small service Zone or primary cell.
- the first base station may receive the first cell message.
- D2D communication ProSe Services
- the first cell message includes at least one of the following: the first cell indicates an ECGI, and the PLMN corresponding to the first cell indicates that the first cell physical layer indicates a PCI or the first cell frequency.
- the first base station determines, according to the first cell information, a PLMN identifier corresponding to the first cell;
- the authorized PLMN identifier provided in the PLMN information includes the PLMN identifier corresponding to the first cell, determining that the UE is authorized to perform D2D communication in the first cell, or determining that the first cell is a user equipment a cell that can authorize D2D communication;
- the authorized PLMN identifier provided in the PLMN information does not include the PLMN identifier corresponding to the first cell, determining that the UE is not authorized to perform D2D communication in the first cell, or determining that the first cell does not A cell that can authorize D2D communication for the user equipment.
- the first base station may receive the first cell message in the following manner:
- the request message includes the first cell information
- the first base station receives the first message sent by the mobility management entity MME of the user equipment or the third base station, where the first message includes the first cell information.
- the method may further include:
- the first base station sends a response message to the user equipment, so that the user equipment performs D2D communication on the first cell, where the response message is used to provide resources for D2D communication for the user equipment;
- the first base station When the first base station determines that the user equipment is incapable of performing D2D communication on the first cell, the first base station sends a reply message to the user equipment to notify the user equipment that D2D cannot be performed on the first cell. Communication.
- the first base station may further determine the D2D resource that can be communicated after receiving the first message, but is determined by other base stations.
- the method further includes:
- the first base station sends a second message to the second base station; the second message includes PLMN information, and the second message is used to provide information about a PLMN authorization status to the second base station, where the authorized PLMN is used for the user.
- Terminal D2D communication or for indicating which PLMNs the UE is authorized to perform D2D communication;
- the second base station is a base station of the first cell
- the first cell is a secondary cell or a non-serving cell of the user equipment.
- the second base station further needs the first cell information.
- the method further includes:
- the first base station sends the first cell information to the second base station.
- the embodiment of the present invention provides a communication method, where the first base station receives the first message, and determines, according to the PLMN information in the first message, whether the user equipment is authorized to perform D2D communication (ProSe Services), so that the user equipment is enabled.
- the D2D communication resource of the secondary cell or the non-serving cell can be used for communication, which avoids the problem that the communication resource of the user equipment is restricted to the primary cell or the serving cell of the user equipment in the prior art, and the load of the primary cell is increased.
- FIG. 10 is a flowchart of a communication method according to an embodiment of the present invention. As shown in FIG. 10, the method may include:
- the second base station receives the first message.
- the first message includes PLMN information, the first message is used to provide information about a PLMN authorization status, the authorized PLMN is used for user equipment D2D communication, or is used to indicate in which PLMN the user equipment is authorized. Perform D2D communication.
- the second base station may receive the mobile management entity MME of the user equipment or the first message sent by the first base station, where the first base station may be the second cell of the user equipment
- the base station, the second cell may be a primary cell or a serving cell of the user equipment.
- the PLMN information may include: a PLMN indicator, where the PLMN indicator is used to indicate whether the PLMN corresponding to the PLMN indicator is authorized for D2D communication.
- the PLMN information further includes:
- PLMN marking of at least one authorized PLMN and/or
- At least one PLMN label of an unauthorized PLMN and/or
- the PLMN(s) supported by the UE where the authorization status of each PLMN.
- the second base station determines, according to the PLMN information in the first message, whether the user equipment is authorized to perform D2D communication (ProSe Services).
- the D2D communication may be equivalent to a ProSe service, and may include one or more of the following communications: ProSe Direct Discovery, ProSe Relay Communication, ProSe Direct Communication, Send D2D discovery (ProSe Direct Discovery) message, send D2D relay communication (ProSe Relay Communication) message, send D2D communication (ProSe Direct Communication) message, receive D2D discovery message, receive D2D delayed relay communication message, listen for D2D discovery Message.
- the determining whether the UE is authorized to perform D2D communication may include:
- the UE Determining whether the UE is authorized to perform D2D communication on the first cell, where the first cell is a non-serving cell or a secondary cell or a serving cell or a primary cell of the user equipment.
- the second base station may also receive the first cell information first;
- D2D communication ProSe Services
- the first cell information is used to determine a PLMN identity corresponding to the first cell, and includes at least one of the following: an Evolved Cell Global Identifier, an egthe globally unique identity of a cell in E- UTRA), the PLMN identifier corresponding to the first cell or the physical layer identity of the first cell, the first cell frequency;
- the PLMN information is used to provide information about the PLMN authorization status
- the PLMN information is used to provide information on the authorization status of the PLMN for ProSe services, or to indicate the user.
- the device is authorized to perform D2D communication (indicating in which PLMN the UE is authorized for ProSe services), or is used to indicate that the user equipment is authorized to perform D2D communication in the cells corresponding to the PLMN; may include one or more of the following: item:
- the authorization status of each PLMN includes ture or fail; the "ture” indicates that the PLMN is a PLMN authorized by the UE, or the PLMN is the UE A PLMN authorized to perform D2D communication.
- the "fale” indicates that the PLMN is a PLMN that the UE is not authorized, or the PLMN is a PLMN that the UE is not authorized to perform D2D communication.
- the determining, by the second base station, whether the user equipment is authorized to perform D2D communication (ProSe Services) according to the PLMN information in the first message and the first cell information may include:
- the authorized PLMN identifier provided in the PLMN information includes the PLMN identifier corresponding to the first cell, determining that the UE is authorized to perform D2D communication in the first cell, or determining that the first cell is a user equipment a cell that can authorize D2D communication;
- the authorized PLMN identifier provided in the PLMN information does not include the PLMN identifier corresponding to the first cell, determining that the UE is not authorized to perform D2D communication in the first cell, or determining that the first cell does not A cell that can authorize D2D communication for the user equipment.
- the second base station may receive the first cell message by using the following method:
- the second base station receives the first base station or the MME to the first message, where the first message includes the first cell information.
- the second base station responds after determining whether the user equipment is authorized to perform D2D communication, such as:
- the second base station When it is determined that the UE is authorized to perform D2D communication on the first cell, the second base station transmits a response message.
- the second base station When it is determined that the UE is not authorized to perform D2D communication on the first cell, the second base station transmits a reply message.
- the sending, by the second base station, the response message may include:
- the second base station When the first cell information is sent by the MME, the second base station sends a response message to the MME; or
- the second base station When the first cell information is sent by the first base station, the second base station sends a response message to the first base station;
- the second base station When the first cell information is sent by the third base station, the second base station sends a response message to the first base station;
- the sending, by the second base station, the reply message may include:
- the second base station When the first cell information is sent by the MME, the second base station sends a reply message to the MME; or
- the second base station When the first cell information is sent by the first base station, the second base station sends a reply message to the first base station;
- the second base station When the first cell information is sent by the third base station, the second base station sends a reply message to the third base station.
- the embodiment of the present invention provides a communication method, where the second base station receives the first message, and determines, according to the PLMN information in the first message, whether the user equipment is authorized to perform D2D communication (ProSe Services), so that the user equipment is enabled.
- the D2D communication resource of the secondary cell or the non-serving cell can be used for communication, which avoids the problem that the communication resource of the user equipment is restricted to the primary cell or the serving cell of the user equipment in the prior art, and the load of the primary cell is increased.
- FIG. 11 is a flowchart of a communication method according to an embodiment of the present invention.
- the eNB is a base station of a second cell, and the second base station may be a primary base station or a serving base station of a user equipment.
- the method can include:
- the eNB receives the first message sent by the MME.
- the first message includes PLMN information, and the PLMN information is used to provide information about a PLMN authorization status, the authorized PLMN is used for the authorization status of PLMN for ProSe services; Or used to indicate in which PLMNs the user equipment is authorized to perform D2D communication (Indicates in which PLMN the UE is authorized for ProSe services).
- the PLMN information may include: a PLMN indicator, where the PLMN indicator is used to indicate whether the PLMN corresponding to the PLMN indicator is authorized for D2D communication.
- the PLMN information further includes:
- PLMN marking of at least one authorized PLMN and/or
- At least one PLMN label of an unauthorized PLMN and/or
- the PLMN(s) supported by the UE where the authorization status of each PLMN.
- the first message may be an INITIAL CONTEXT SETUP REQUEST, a UE CONTEXT MODIFICATION REQUEST, a PATH SWITCH REQUEST ACKNOWLEDGE messages, or a handover request message (HO Re Quest).
- the PLMN information (for example, called ProSe Authorized information element), the PLMN information is used to provide information about a PLMN authorization status, and the authorized PLMN is used for user equipment D2D communication (English means Especially for UE, it provides information on The authorization status of PLMN for ProSe services.), for example, as shown in Table 1 below:
- indicating in which PLMNs the UE is authorized to perform D2D Discovery may include indicating which UEs are authorized to transmit D2D Discovery) messages, and/or indicating which PLMNs The UE is authorized to listen D2D Discovery) message
- indicating in which PLMNs the UE is authorized to perform D2D communication communication may include indicating which of the PLMNs the UE is authorized to transmit the D2D Communication message, and/or indicating which PLMNs are in the PLMN.
- indicating in which PLMN the UE is authorized to perform D2D relay communication may include indicating which of the PLMNs the UE is authorized to send the D2D relay communication message, and/or indicating Which UEs in the PLMN are authorized to listen for D2D relay communication) messages.
- the D2D relay communication includes a 1-to-1 mode, and a 1-to-multi mode.
- PLMN ID indicates the label corresponding to the authorized PLMN.
- PLMN information There is also a possible form of PLMN information, as shown in Table 2 below:
- the eNB receives a request message sent by the user equipment.
- the request message is used to request D2D communication on the first cell.
- the request message includes first cell information, where the first cell information may be a cell identifier ECGI or a PLMN of the first cell.
- the base station is a base station of the first cell.
- the eNB determines whether the determining whether the user equipment can perform D2D communication on the first cell or whether the first cell is a cell that the user equipment can authorize D2D communication, and if yes, executing 1204; if not, Then execute 1205.
- the first base station determines, according to the first cell information, a PLMN identifier corresponding to the first cell;
- the authorized PLMN identifier provided in the PLMN information includes the PLMN identifier corresponding to the first cell, determining that the UE is authorized to perform D2D communication in the first cell, or determining that the first cell is a user equipment a cell that can authorize D2D communication;
- the authorized PLMN identifier provided in the PLMN information does not include the PLMN identifier corresponding to the first cell, determining that the UE is not authorized to perform D2D communication in the first cell, or determining that the first cell does not A cell that can authorize D2D communication for the user equipment.
- the eNB sends a response message to the user equipment, so that the user equipment performs D2D communication on the first cell.
- the response message is used to provide the user equipment with resources for D2D communication.
- the eNB sends a reply message to the user equipment to notify the user equipment that D2D communication is not available on the first cell.
- the foregoing eNB may receive a request message of the user equipment in the second cell, where the second cell is a serving cell or a primary cell of the user equipment.
- the eNB is a base station of the first cell and the second cell, that is, the case where the first cell and the second cell are the same base station.
- step 1101 may be that the eNB receives the first message sent by another base station (for example, the third base station).
- another base station for example, the third base station.
- the invention is not limited.
- the embodiment of the present invention provides a communication method, in which the eNB receives the first message, and determines, according to the PLMN information in the first message, whether the user equipment is authorized to perform D2D communication (ProSe Services), so that the user equipment can use the secondary cell.
- the D2D communication resource of the non-serving cell communicates, which avoids the problem that the communication resource of the user equipment is restricted to the primary cell of the user equipment in the prior art, and the load of the primary cell increases.
- FIG. 12 is a flowchart of a communication method according to an embodiment of the present invention.
- eNB1 is a base station of a second cell, and the second base station may be a primary base station or a serving base station of a user equipment;
- the first cell may be a secondary base station or a non-serving cell base station of the user equipment; the method may include:
- the eNB1 receives a first message sent by the MME.
- the first message includes PLMN information, and the first message is used to provide information about a PLMN authorization status.
- the authorized PLMN is used for the authorization status of PLMN for ProSe services. Or indicating to which PLMN the UE is authorized for ProSe services.
- the PLMN information may include: a PLMN indicator, where the PLMN indicator is used to indicate whether the PLMN corresponding to the PLMN indicator is authorized for D2D communication.
- the PLMN information further includes:
- PLMN marking of at least one authorized PLMN and/or
- At least one PLMN label of an unauthorized PLMN and/or
- the PLMN(s) supported by the UE where the authorization status of each PLMN.
- the eNB1 receives a request message sent by the user equipment.
- the request message is used to request D2D communication on the first cell.
- the request message includes a cell identifier ECGI or a PLMN indicator of the first cell; and the eNB1 is a base station of the second cell.
- the foregoing eNB1 may receive a request message of the user equipment in the second cell, where the second cell is a serving cell or a primary cell of the user equipment.
- eNB1 is the base station of the second cell
- eNB2 is the base station of the first cell
- the first cell is the non-serving base station or the secondary base station of the UE. That is, the case where the first cell and the second cell belong to different base stations.
- the eNB1 sends the request message and the first message to the eNB2.
- the eNB2 determines, according to the request message and the PLMN information in the first message, whether the user equipment can perform D2D communication on the first cell, and if yes, execute 1305; if not, execute 1306.
- the PLMN identifier corresponding to the first cell is determined according to the first cell information, for example;
- the authorized PLMN identifier provided in the PLMN information includes the PLMN identifier corresponding to the first cell, determining that the UE is authorized to perform D2D communication in the first cell, or determining that the first cell is a user equipment a cell that can authorize D2D communication;
- the authorized PLMN identifier provided in the PLMN information does not include the PLMN identifier corresponding to the first cell, determining that the UE is not authorized to perform D2D communication in the first cell, or determining that the first cell does not A cell that can authorize D2D communication for the user equipment.
- the eNB2 sends a response message to the eNB1, so that the user equipment performs D2D communication on the first cell.
- the response message is used to provide D2D communication for the user equipment. source.
- the eNB2 sends a reply message to the eNB1 to notify the user equipment that D2D communication is not available on the first cell.
- the embodiment of the present invention provides a communication method, in which the eNB2 receives the first message and the request message, and determines, according to the PLMN information in the first message, whether the user equipment is authorized to perform D2D communication (ProSe Services), so that the user equipment can
- D2D communication resource of the secondary cell or the non-serving cell is used for communication, which avoids the problem that the communication resource of the user equipment is restricted to the primary cell of the user equipment in the prior art, and the load of the primary cell is increased.
- FIG. 13 is a structural diagram of a base station 13 according to an embodiment of the present invention, which is used to perform the resource allocation method according to the first embodiment, where the base station may be the first base station of the second cell, where the The second cell may be a primary cell or a serving cell of the user equipment.
- the base station 13 may include:
- the determining unit 130 is configured to determine whether the user equipment can perform D2D communication on the first cell.
- Whether the user equipment can perform D2D communication on the first cell may refer to whether the user equipment is authorized to perform D2D communication on the first cell; the first cell may be a secondary cell or a non-user of the user equipment. Service area.
- the D2D communication may be equivalent to a ProSe service, and may include one or more of the following communications: ProSe Direct Discovery, ProSe Relay Communication, ProSe Direct Communication, Send D2D discovery (ProSe Direct Discovery) message, send D2D relay communication (ProSe Relay Communication) message, send D2D communication (ProSe Direct Communication) message, receive D2D discovery message, receive D2D delayed relay communication message, listen for D2D discovery Message.
- the sending unit 131 is configured to: when the determining unit 130 determines that the user equipment can perform D2D communication on the first cell, send a response message to the user equipment, so that the user equipment performs D2D on the first cell. Communication; wherein, the ringing The message should be used to provide the user equipment with D2D communication resources on the first cell;
- the determining unit 130 determines that the user equipment is incapable of performing D2D communication on the first cell, sending a reply message to the user equipment, where the reply message is used to notify the user equipment that the user equipment is not available in the first D2D communication is performed on the cell.
- the response message may include:
- L The number L of resources of the D2D communication performed by the user equipment, where L is a positive integer; and/or,
- the D2D communication resource configuration of the first cell a dedicated resource configuration, and a resource pool configuration;
- the UE autonomously selects a resource in the resource pool, where the resource is used for performing D2D communication (for example, sending a discoery message, that is, a discovery message announcement);
- the UE autonomously selects a resource on the dedicated resource in the resource pool, where the resource is used for the UE to perform D2D communication (for example, sending a discery message, ie, a discovery message announcement)
- the UE performs D2D communication by using dedicated resources in the resource pool.
- the eNB provides a dedicated resource configuration of the resource pool to the UE for D2D communication (The eNB may configure resource pool along with dedicated resource in the form of time and frequency indices for ProSe service, e, g discovery message announcement).
- L The number L of resources that the user equipment performs D2D communication, where L is a positive integer.
- the number of resources L may be used to indicate the number of resources that the UE requests to send a D2D message, and may include the number of messages that the UE wants to send in each period.
- L may be discTxResourceReq (indicating the number of resources that the UE requests to send a discovery message for each discovery period, and may include the number of discovery messages that the UE wants to send in each transmission period) (Indicates number of resources the UE requires every discovery) The period for transmitting sidelink direct discovery announcement. It concerns the number of separate discovery message(s) the UE wants to transmit every discovery period).
- the response message may further include: a cell index (Scellindex), where the cell index is used to indicate the first cell.
- Scellindex a cell index
- the determining unit 130 is specifically configured to determine whether the user equipment can perform D2D communication on the first cell by using any one or more of the following (1), (2), and (3).
- the first base station determines whether the user equipment is authorized to perform D2D communication on the first cell
- the first base station may determine, according to the first cell information and the PLMN (Public Land Mobile Network) information, whether the user equipment is authorized to perform D2D communication on the first cell;
- PLMN Public Land Mobile Network
- the authorized PLMN identifier provided in the PLMN information includes the PLMN identifier corresponding to the first cell, determining that the UE is authorized to perform D2D communication, or determining that the first cell is a cell that the user equipment can authorize D2D communication ;
- the authorized PLMN identifier provided in the PLMN information does not include the PLMN identifier corresponding to the first cell, determining that the UE is not authorized to perform D2D communication, or determining that the first cell is not the user equipment A cell that authorizes D2D communication.
- the first cell information is used to determine a PLMN identity corresponding to the first cell, and includes at least one of the following: an Evolved Cell Global Identifier, an egthe globally unique identity of a cell in E- UTRA), the PLMN identifier corresponding to the first cell or the physical layer identity of the first cell, the first cell frequency;
- the PLMN information is used to provide information about a PLMN authorization status, the PLMN information is used to provide information on the authorization status of PLMN for ProSe services, or to indicate a user.
- the device is authorized to perform D2D communication (indicating in which PLMN the UE is authorized for ProSe services), or is used to indicate that the user equipment is authorized to perform D2D communication in the cells corresponding to the PLMN; may include one or more of the following: item:
- the authorization status of each PLMN includes ture or fail; the "ture” indicates that the PLMN is a PLMN authorized by the UE, or the PLMN is the UE A PLMN authorized to perform D2D communication.
- the "fale” indicates that the PLMN is a PLMN that the UE is not authorized, or the PLMN is a PLMN that the UE is not authorized to perform D2D communication.
- the first base station determines whether resources are allocated to the user equipment on the first cell
- the first base station determines whether the signal quality of the user equipment on the first cell meets a preset threshold, and includes:
- the preset threshold may be set as needed, which is not limited in this embodiment of the present invention.
- the base station may further include: a receiving unit 132,
- the receiving unit 132 is configured to receive a neighbor cell measurement report reported by the user equipment, where the neighbor cell measurement report includes a signal quality on the first cell measured by the user equipment.
- the first cell and the second cell may belong to the same PLMN or different PLMNs.
- the first base station is a second cell and a base station of the first cell
- the first base station is a second cell base station
- the second base station is a base station of the first cell
- the base station may perform the foregoing process at the request of the user equipment, as follows:
- the receiving unit 132 is further configured to receive a first request message sent by the user equipment, where the first request message is used to request to provide the user equipment with a resource for performing D2D communication.
- the first request message may include:
- a cell identifier ECGI of the candidate cell a physical cell identifier of the candidate cell, a PCI and a frequency of the cell, and one or more of the identifiers of the PLMN to which the candidate cell belongs; and/or,
- the number M of resources of the D2D communication performed by the user equipment where the M is a positive integer
- the candidate cell may be a cell that the user equipment wants to perform D2D communication.
- the candidate cell may be the first cell; the number of the resources M, where the M is a positive integer may be used. Instructing the UE to request to send D2D cancellation
- the number of resources of the information may include the number of messages that the UE wishes to send in each cycle.
- M may be discTxResourceReq (indicating the number of resources that the UE requests to send a discovery message for each discovery period, and may include the number of discovery messages that the UE wants to send in each transmission period) (Indicates number of resources the UE requires every discovery) The period for transmitting sidelink direct discovery announcement. It concerns the number of separate discovery message(s) the UE wants to transmit every discovery period).
- the base station of the first cell is the second base station
- the first base station needs to retrieve some available resource information from itself or the second base station in advance to allocate the user equipment that needs the D2D communication resource, specifically:
- the sending unit 131 is further configured to send a second request message to the second base station, where the request message is used to request a resource for performing D2D communication or provide a cell resource of the first base station for D2D communication, where The resources can be used for D2D communication;
- the receiving unit 132 is further configured to receive a first response message sent by the second base station, where the first response message provides resources of a cell of the second base station, and the resource is used for D2D communication;
- the first response message includes resources for D2D communication on the first cell; or
- the receiving unit forwards the request message to the second base station of the first cell, by The second base station of the cell performs the determination of the D2D communication resource, and after receiving the determination result of the second base station, sends a corresponding message to the user equipment, as follows:
- the sending unit 131 is further configured to send a third request cancellation to the second base station.
- the third request message is used to request, for the user equipment, a resource for performing D2D communication;
- the receiving unit 132 is further configured to receive the response message sent by the second base station, where the response message includes resource information that the user equipment communicates in the first cell D2D, indicating that the user equipment is available on the first cell. Perform D2D communication; or,
- an embodiment of the present invention provides a base station, where the user equipment is provided with a D2D communication resource of a first cell, where the first cell is a secondary cell or a non-serving cell, so that the user equipment can use the secondary cell or
- the communication of the D2D communication resources of the non-serving cell avoids the problem that the communication load of the user equipment is restricted to the primary cell or the serving cell of the user equipment in the prior art, resulting in an increase in the load of the primary cell.
- FIG. 14 is a structural diagram of a base station 14 according to an embodiment of the present invention, which is used to perform the resource allocation method according to Embodiment 2, where the base station may be a base station of the first cell, and the first cell The secondary cell or the non-serving cell of the user equipment; as shown in FIG. 14, the base station 14 may include:
- the determining unit 140 is configured to determine whether the user equipment can perform D2D communication on the first cell.
- the sending unit 141 is configured to: when the determining unit 140 determines that the user equipment can perform D2D communication on the first cell, send a response message to the first base station, so that the first base station notifies the user equipment that the Performing D2D communication resources on a cell; the response message is used to provide the user equipment with D2D communication resources of the first cell, and provide the user equipment with D2D communication resources on the first cell;
- the determining unit 140 determines that the user equipment is incapable of performing D2D communication on the first cell, sending a reply message to the first base station, so that the first base station notifies that the user equipment is not available on the first cell. Perform D2D communication.
- the response message may include:
- L The number L of resources of the D2D communication performed by the user equipment, where L is a positive integer; and/or,
- the D2D communication resource configuration of the first cell a dedicated resource configuration, and a resource pool configuration;
- the UE autonomously selects a resource in the resource pool, where the resource is used for performing D2D communication (for example, sending a discoery message, that is, a discovery message announcement);
- the UE autonomously selects a resource on the dedicated resource in the resource pool, where the resource is used for the UE to perform D2D communication (for example, sending a discery message, that is, a discovery message announcement)
- the UE performs D2D communication by using dedicated resources in the resource pool.
- the eNB provides a dedicated resource configuration of the resource pool to the UE for D2D communication (The eNB may configure resource pool along with dedicated resource in the form of time and frequency indices for ProSe service, e, g discovery message announcement).
- L The number L of resources that the user equipment performs D2D communication, where L is a positive integer.
- the number of resources is L, and the L is a positive integer, which may be a discTxResourceReq (indicating the number of resources used by the UE to send a discovery message for each discovery period, and may include the UE that wants to send a discovery message in each transmission period. Numbers of resources the UE requires every discovery period for transmitting sidelink direct discovery announcement. It concerns the Number of separate discovery message(s) the UE wants to transmit every discovery period).
- the response message may further include: a cell index (Scellindex), where the cell index is used to indicate the first cell.
- Scellindex a cell index
- the first base station is a base station of a second cell of the user equipment, and the second cell is a primary cell or a serving cell of the user equipment.
- the determining unit 140 may determine whether the user equipment can perform D2D communication on the first cell by using any one or more of the following (1), (2), and (3).
- the determining unit 140 may determine, according to the first cell information and the PLMN information, whether the user equipment is authorized to perform D2D communication on the first cell;
- the authorized PLMN identifier provided in the PLMN information includes the PLMN identifier corresponding to the first cell, determining that the UE is authorized to perform D2D communication, or determining that the first cell is a cell that the user equipment can authorize D2D communication ;
- the authorized PLMN identifier provided in the PLMN information does not include the PLMN identifier corresponding to the first cell, determining that the UE is not authorized to perform D2D communication, or determining that the first cell is not the user equipment A cell that authorizes D2D communication.
- the first cell information is used to determine a PLMN identity corresponding to the first cell, and includes at least one of the following: the first cell indicates an ECGI, the PLMN identifier corresponding to the first cell, or the physical layer of the first cell indicates PCI.
- the PLMN information is used to provide information about a PLMN authorization status, and the authorized PLMN is used for user equipment D2D communication (provides information on the The authorization status of the PLMN for ProSe services), or to indicate in which PLMNs the user equipment is authorized to perform D2D communication (Indicating in which PLMN the UE is authorized for ProSe services), or to indicate which PLMNs the user equipment is authorized to correspond to.
- D2D communication in the cell may include one or more of the following:
- the PLMN indication of at least one authorized PLMN the PLMN indication of at least one unauthorized PLMN, the PLMN(s) supported by the user equipment, and the authorization status of each PLMN.
- the first base station determines whether resources are allocated to the user equipment on the first cell
- the first base station determines whether the signal quality of the user equipment on the first cell meets a preset threshold, and includes:
- the preset threshold may be set as needed, which is not limited in this embodiment of the present invention.
- the base station further includes:
- the receiving unit 142 is configured to receive a neighbor cell measurement report reported by the user equipment, where the neighbor cell measurement report includes a signal quality on the first cell measured by the user equipment.
- the receiving unit 142 is further configured to receive a first request message sent by the second base station, where the first request message is used to request to provide the user equipment with a resource for performing D2D communication;
- the first request message is used to request that the user equipment be provided with resources for performing D2D communication.
- the first request message may include:
- a cell identifier ECGI of the candidate cell a physical cell identifier of the candidate cell, a PCI and a frequency of the cell, and one or more of the identifiers of the PLMN to which the candidate cell belongs; and/or,
- the number M of resources of the D2D communication performed by the user equipment where the M is a positive integer
- the candidate cell may be a cell that the user equipment wants to perform D2D communication.
- the candidate cell may be the first cell; the number of the resources M, where the M is a positive integer may be used.
- the number of resources that the UE is requested to send for the D2D message may include the number of messages that the UE wishes to send in each cycle.
- M may be discTxResourceReq (indicating the number of resources that the UE requests to send a discovery message for each discovery period, and may include the number of discovery messages that the UE wants to send in each transmission period) (Indicates number of resources the UE requires every discovery) The period for transmitting sidelink direct discovery announcement. It concerns the number of separate discovery message(s) the UE wants to transmit every discovery period).
- the base station may further provide resource information to the first base station in advance for the first base station to provide D2D communication resources for the user equipment that needs the communication resource, specifically:
- the receiving unit 142 is configured to receive a second request message sent by the first base station, where the request message is used to request resources for performing D2D communication or provide cell resources of the base station for D2D communication, where the resource Can be used for D2D communication;
- the sending unit 141 is further configured to send, to the first base station, a response message, where the response message provides a resource of a cell of the second base station, where the resource is used for D2D communication; or the response message includes Resources for D2D communication on the first cell; or
- an embodiment of the present invention provides a base station, where the user equipment is provided with a D2D communication resource of a first cell, where the first cell is a secondary cell or a non-serving cell, so that the user equipment can use the secondary cell or
- the communication of the D2D communication resources of the non-serving cell avoids the problem that the communication resources of the user equipment are restricted to the primary cell of the user equipment in the prior art, resulting in an increase in the load of the primary cell.
- FIG. 15 is a structural diagram of a user equipment 15 according to an embodiment of the present invention, which is used to perform the resource allocation method according to the third embodiment.
- the user equipment 15 may include:
- the receiving unit 150 is configured to receive a response message sent by the base station, where the response message is used to provide the user equipment with a D2D communication resource of the first cell, where the first cell is a secondary cell of the user equipment. Or a non-serving cell.
- the sending unit 151 is configured to perform D2D communication on the first cell.
- the response message may include: a cell identifier of the first cell, a physical cell identifier PCI of the first cell, a frequency of the first cell, and an identifier of a PLMN to which the first cell belongs or a plurality of; and/or the number L of resources of the user equipment for D2D communication, where L is a positive integer.
- the number of resources L may be used to indicate the number of resources that the UE requests to send a D2D message, and may include the number of messages that the UE wants to send in each period.
- L may be discTxResourceReq (indicating the number of resources that the UE requests to send a discovery message for each discovery period, and may include the number of discovery messages that the UE wants to send in each transmission period) (Indicates number of resources the UE requires every discovery) The period for transmitting sidelink direct discovery announcement. It concerns the number of separate discovery message(s) the UE wants to transmit every discovery period).
- the response message further includes:
- a cell identifier of the second cell and a physical cell identifier of the second cell And one or more of a frequency of the second cell and an identifier of a PLMN to which the second cell belongs; and/or,
- L The number L of resources that the user equipment performs D2D communication, where L is a positive integer.
- the response message further includes: a cell index Scellindex, where the cell index is used to indicate the first cell.
- the sending unit 151 is further configured to send a request message to the base station;
- the request message is used to request to provide the user equipment with resources for performing D2D communication, and may include:
- a cell identifier ECGI of the candidate cell a physical cell identifier of the candidate cell, a PCI and a frequency of the cell, and one or more of the identifiers of the PLMN to which the candidate cell belongs; and/or,
- the number M of resources that the user equipment performs D2D communication in the candidate cell where the M is a positive integer.
- the candidate cell may be a cell on which the user equipment wants to perform D2D communication; preferably, the candidate cell may be the first cell.
- the sending unit 151 is further configured to:
- a neighbor cell measurement report so that the base station determines, according to the neighbor cell measurement report, that the user equipment can perform D2D communication on the first cell, where the neighbor cell measurement report includes the user equipment The measured signal quality on the first cell.
- the base station may be a base station that is common to the second cell and the first cell, where the second cell is a serving cell or a primary cell of the user equipment, where The first cell and the second cell belong to the same PLMN or different PLMNs;
- the embodiment of the present invention provides a user equipment, where the receiving base station provides the D2D communication resource of the first cell, where the first cell is a secondary cell or a non-service.
- the cell enables the user equipment to communicate with the D2D communication resource of the secondary cell or the non-serving cell, which avoids the problem that the communication resource of the user equipment is restricted to the primary cell of the user equipment in the prior art, resulting in an increase in the load of the primary cell.
- FIG. 16 is a structural diagram of a resource allocation system 16 according to an embodiment of the present invention. The method for performing resource allocation according to the fourth embodiment, the fifth embodiment, and the sixth embodiment is shown in FIG. : base station 13, base station 14 and user equipment 15;
- the base station 13 has the same function as the base station described in the thirteenth embodiment; the base station 14 has the same function as the base station described in the fourteenth embodiment, and the user equipment 15 has the same function as the user equipment described in the fifteenth embodiment. This will not be repeated one by one.
- the embodiment of the present invention provides a resource allocation system, which provides a D2D communication resource of a first cell to a user equipment, where the first cell is a secondary cell or a non-serving cell, so that the user equipment can use the secondary cell or the non-service.
- the communication of the D2D communication resources of the cell avoids the problem that the communication resources of the user equipment are restricted to the primary cell of the user equipment in the prior art, and the load of the primary cell is increased.
- FIG. 17 is a structural diagram of a base station 17 according to an embodiment of the present invention; for performing the resource allocation method according to Embodiment 7, as shown in FIG. 17, the base station 17 may include:
- the sending unit 170 is configured to send a system message to the user equipment.
- the system message includes a resource configuration for sending or listening to the Discovery message in the first cell, so that the user equipment sends or listens to the Discovery message on the first cell according to the resource configuration.
- the Discovery message may also be equivalent to a ProSe Direct Discovery message, a D2D Discovery message, a D2D Direct Discovery message, and a D2D message.
- the Discovery message is a message sent between two devices, such as a message sent by the user equipment 1 to the user equipment 2, or a message sent by the device 3 to the user equipment 1.
- the resource configuration includes at least one of the following: a first cell frequency, a cell identifier of the first cell, an ECGI, a PCI of the first cell, and a PLMN of the first cell;
- the resource configuration also includes a resource pool configuration.
- the resource pool configuration may include a configuration of time-frequency resources.
- the first cell is a secondary cell or a non-serving cell of the user equipment;
- the base station may be a second cell or a base station of the first cell, and the second cell may be a primary cell or a serving cell of the user equipment. .
- the sending, by the base station, the system message to the user equipment may include:
- the base station sends a system message to the user equipment in the second cell;
- the base station sends a system to the user equipment in the first cell.
- the base station when the base station is the base station of the second cell of the user equipment, the base station may obtain, after sending the system message to the user equipment, the other cell (such as another base station, or the OAM) to send or send on the first cell.
- the other cell such as another base station, or the OAM
- the resource configuration resource configuration of the Discovery message is as follows. As shown in FIG. 17A, the base station may further include:
- the receiving unit 171 is configured to receive a resource configuration message sent by the second base station, where the resource configuration message includes a resource configuration for receiving or transmitting a D2D discovery message in the first cell, where the second base station is the first cell Base station
- the base station is a base station of the second cell.
- the embodiment of the present invention provides a base station, which sends a system message, so that the user equipment sends or listens to a Discovery message on the first cell, where the first cell is a secondary cell or a non-serving cell of the user equipment;
- the problem of limiting the communication resources of the user equipment to the primary cell of the user equipment in the prior art, resulting in an increase in the load of the primary cell is avoided.
- FIG. 18 is a structural diagram of a user equipment 18 according to an embodiment of the present invention, which is used to perform the resource allocation method according to the eighth embodiment.
- the user equipment 18 may include:
- the listening unit 180 is configured to listen to system messages sent by the base station.
- the sending unit 181 is configured to send or listen to the Discovery message on the first cell according to the resource configuration of sending or listening to the Discovery message.
- the system message includes a resource configuration for transmitting or listening to a Discovery message in the first cell, where the first cell is a secondary cell or a non-serving cell of the user equipment.
- the Discovery message may also be equivalent to a ProSe Direct Discovery message, a D2D Discovery message, a D2D Direct Discovery message, and a D2D message.
- the Discovery message is a message sent between two devices, such as a message sent by the user equipment 1 to the user equipment 2, or a message sent by the device 3 to the user equipment 1.
- the resource configuration includes at least one of the following: a first cell frequency, a cell identifier of the first cell, an ECGI, a PCI of the first cell, and a PLMN of the first cell;
- the resource configuration also includes a resource pool configuration.
- the resource pool configuration may include a configuration of time-frequency resources.
- the sending or listening to the Discovery message on the first cell may include:
- the user equipment sends or listens to a Discovery message on the authorized first cell;
- the listening unit 180 is specifically configured to:
- the second cell is a primary cell or a serving cell of the user equipment.
- the embodiment of the present invention provides a user equipment that listens for a system message, and sends or listens to a Discovery message on the first cell indicated by the system message, where the first cell is a secondary cell or a non-user device.
- the serving cell avoids the problem that the communication resources of the user equipment are restricted to the primary cell of the user equipment in the prior art, resulting in an increase in the load of the primary cell.
- FIG. 19 is a structural diagram of a resource allocation system 26 according to an embodiment of the present invention. As shown in FIG. 19, the method may include: a base station 17, and a user equipment 18;
- the base station 17 has the same function as the base station described in Embodiment 17; the user The device 18 has the same functions as the user equipment described in Embodiment 18, and details are not described herein again.
- the embodiment of the present invention provides a resource allocation system, which provides a D2D communication resource of a first cell to a user equipment, where the first cell is a secondary cell or a non-serving cell, so that the user equipment can use the secondary cell or the non-service.
- the communication of the D2D communication resources of the cell avoids the problem that the communication resources of the user equipment are restricted to the primary cell of the user equipment in the prior art, and the load of the primary cell is increased.
- FIG. 20 is a structural diagram of a base station 20 according to an embodiment of the present invention.
- the resource allocation method is applied to the ninth embodiment.
- the base station 20 may include:
- the receiving unit 201 is configured to receive the first message.
- the first message includes PLMN information, and the first message is used to provide information about a PLMN authorization status.
- the authorized PLMN is used for the authorization status of PLMN for ProSe services. Or indicating to which PLMN the UE is authorized for ProSe services.
- the PLMN information may include: a PLMN indicator, where the PLMN indicator is used to indicate whether the PLMN corresponding to the PLMN indicator is authorized for D2D communication.
- the PLMN information further includes:
- PLMN marking of at least one authorized PLMN and/or
- At least one PLMN label of an unauthorized PLMN and/or
- the PLMN(s) supported by the UE where the authorization status of each PLMN.
- the first base station may receive the first message sent by the mobility management entity MME of the user equipment or the third base station, where the third base station may be a secondary base station or a non-serving base station of the user equipment. .
- a determining unit 202 configured to determine, according to the PLMN information in the first message, Whether the user equipment is authorized to perform D2D communication (ProSe Services).
- the D2D communication may be equivalent to a ProSe service, and may include one or more of the following communications: ProSe Direct Discovery, ProSe Relay Communication, ProSe Direct Communication, Send D2D discovery (ProSe Direct Discovery) message, send D2D relay communication (ProSe Relay Communication) message, send D2D communication (ProSe Direct Communication) message, receive D2D discovery message, receive D2D delayed relay communication message, listen for D2D discovery Message.
- the determining whether the UE is authorized to perform D2D communication may include:
- the UE Determining whether the UE is authorized to perform D2D communication on the first cell, where the first cell is a non-serving cell or a secondary cell or a serving cell or a primary cell of the user equipment.
- the receiving unit 201 is configured to receive a first cell message.
- the determining unit 202 is configured to determine, according to the PLMN information in the first message and the first cell information, whether the user equipment is authorized to perform D2D communication (ProSe Services).
- the first cell message includes at least one of the following: the first cell indicates an ECGI, and the PLMN corresponding to the first cell indicates that the first cell physical layer indicates a PCI or the first cell frequency.
- the determining unit 202 is configured to:
- the authorized PLMN identifier provided in the PLMN information includes the first Determining, by the cell, the PLMN identifier, the UE is authorized to perform D2D communication in the first cell, or determining that the first cell is a cell that the user equipment can authorize D2D communication;
- the authorized PLMN identifier provided in the PLMN information does not include the PLMN identifier corresponding to the first cell, determining that the UE is not authorized to perform D2D communication in the first cell, or determining that the first cell does not A cell that can authorize D2D communication for the user equipment.
- the receiving unit 201 may receive the first cell message in the following manner:
- the request message includes the first cell information
- the base station further includes:
- the sending unit 203 is configured to send a response message to the user equipment, so that the user equipment performs D2D communication on the first cell, where the response message is used to provide the user equipment with resources for D2D communication; or ,
- the determining unit 202 determines that the user equipment is incapable of performing D2D communication on the first cell, sending a reply message to the user equipment to notify the user equipment that D2D communication is not possible on the first cell.
- the sending unit 203 is further configured to send a second message to the second base station; the second message includes PLMN information, where the second message is used to provide information about a PLMN authorization status to the second base station.
- the authorized PLMN is used for user terminal D2D communication; or for indicating which PLMNs the UE is authorized to perform D2D communication;
- the second base station is a base station of the first cell
- the first cell is a secondary cell or a non-serving cell of the user equipment.
- the second base station in order to determine whether the communication resource is authorized by the second base station, the second base station further needs the first cell information, and the sending unit 203 is further configured to send the first cell information to the second base station.
- the embodiment of the present invention provides a base station, which receives a first message, and determines, according to the PLMN information in the first message, whether the user equipment is authorized to perform D2D communication (ProSe Services), so that the user equipment can use the secondary cell.
- the D2D communication resource of the non-serving cell communicates, which avoids the problem that the communication load of the user equipment is restricted to the primary cell or the serving cell of the user equipment in the prior art, resulting in an increase in the load of the primary cell.
- FIG. 21 is a structural diagram of a base station 21 according to an embodiment of the present invention. As shown in FIG. 21, the base station 21 may include:
- the receiving unit 211 is configured to receive the first message.
- the first message includes PLMN information, the first message is used to provide information about a PLMN authorization status, the authorized PLMN is used for user equipment D2D communication, or is used to indicate in which PLMN the user equipment is authorized. Perform D2D communication.
- the receiving unit 211 may receive the mobile management entity MME of the user equipment or the first message sent by the first base station, where the first base station may be the second cell of the user equipment.
- the base station, the second cell may be a primary cell or a serving cell of the user equipment.
- the PLMN information may include: a PLMN indicator, where the PLMN indicator is used to indicate whether the PLMN corresponding to the PLMN indicator is authorized for D2D communication.
- the PLMN information further includes:
- PLMN marking of at least one authorized PLMN and/or
- At least one PLMN label of an unauthorized PLMN and/or
- the PLMN(s) supported by the UE where the authorization status of each PLMN.
- a determining unit 212 configured to determine a user according to the PLMN information in the first message Whether the device is authorized for D2D communication (ProSe Services).
- the D2D communication may be equivalent to a ProSe service, and may include one or more of the following communications: ProSe Direct Discovery, ProSe Relay Communication, ProSe Direct Communication, Send D2D discovery (ProSe Direct Discovery) message, send D2D relay communication (ProSe Relay Communication) message, send D2D communication (ProSe Direct Communication) message, receive D2D discovery message, receive D2D delayed relay communication message, listen for D2D discovery Message.
- the determining whether the UE is authorized to perform D2D communication may include:
- the UE Determining whether the UE is authorized to perform D2D communication on the first cell, where the first cell is a non-serving cell or a secondary cell or a serving cell or a primary cell of the user equipment.
- the receiving unit 211 is further configured to receive first cell information.
- the determining unit 212 is further configured to determine, according to the PLMN information in the first message and the first cell information, whether the user equipment is authorized to perform D2D communication (ProSe Services).
- the first cell information is used to determine a PLMN identity corresponding to the first cell, and includes at least one of the following: an Evolved Cell Global Identifier, an egthe globally unique identity of a cell in E- UTRA), the PLMN identifier corresponding to the first cell or the physical layer identity of the first cell, the first cell frequency;
- the PLMN information is used to provide information about the PLMN authorization status
- the PLMN information is used to provide information on the authorization status of the PLMN for ProSe services, or to indicate the user.
- the device is authorized to perform D2D communication (indicating in which PLMN the UE is authorized for ProSe services), or is used to indicate that the user equipment is authorized to perform D2D communication in the cells corresponding to the PLMN; may include one or more of the following: item:
- the authorization status of each PLMN includes ture or fail; the "ture” indicates that the PLMN is a PLMN authorized by the UE, or the PLMN is the UE A PLMN authorized to perform D2D communication.
- the "fale” indicates that the PLMN is a PLMN that the UE is not authorized, or the PLMN is a PLMN that the UE is not authorized to perform D2D communication.
- the determining unit 212 is configured to:
- the authorized PLMN identifier provided in the PLMN information includes the PLMN identifier corresponding to the first cell, determining that the UE is authorized to perform D2D communication in the first cell, or determining that the first cell is a user equipment a cell that can authorize D2D communication;
- the authorized PLMN identifier provided in the PLMN information does not include the PLMN identifier corresponding to the first cell, determining that the UE is not authorized to perform D2D communication in the first cell, or determining that the first cell does not A cell that can authorize D2D communication for the user equipment.
- the receiving unit 211 may receive the second message sent by the third base station, where the second message includes the first cell information; or
- the base station further includes: a sending unit 213;
- the sending unit 213 sends a response message when the determining unit 212 determines that the UE is authorized to perform D2D communication on the first cell.
- a reply message is sent.
- the sending unit 213 is configured to:
- the embodiment of the present invention provides a base station, which receives a first message, and determines, according to the PLMN information in the first message, whether the user equipment is authorized to perform D2D communication (ProSe Services), so that the user equipment can use the secondary cell.
- the D2D communication resource of the non-serving cell communicates, which avoids the problem that the communication load of the user equipment is restricted to the primary cell or the serving cell of the user equipment in the prior art, resulting in an increase in the load of the primary cell.
- FIG. 22 is a structural diagram of a resource allocation system 22 according to an embodiment of the present invention. As shown in FIG. 22, the method may include: a base station 20, a base station 21, an MME, and a user equipment;
- the base station 20 has the same function as the base station described in the embodiment 20; the base station 21 has the same functions as the base station according to the twenty-first embodiment, and details are not described herein again.
- the embodiment of the present invention provides a resource allocation system, which receives a first message, and determines, according to the PLMN information in the first message, whether the user equipment is authorized to perform D2D communication (ProSe Services), so that the user equipment can be utilized.
- the D2D communication resource of the secondary cell or the non-serving cell communicates, which avoids the problem that the communication resource of the user equipment is restricted to the primary cell or the serving cell of the user equipment in the prior art, resulting in an increase in the load of the primary cell.
- FIG. 23 is a structural diagram of a base station 23 according to an embodiment of the present invention, which is used to perform the resource allocation method according to the first embodiment, where the base station may be the first base station of the second cell, where the The second cell may be a primary cell or a serving cell of the user equipment.
- the base station 23 may include: a communication unit 231, a processor 232, a memory 233, and at least one communication bus 234 for implementing connection and mutual communication between the devices;
- the communication unit 231 is configured to perform data transmission with an external network element.
- the processor 232 may be a central processing unit (English: central processing unit, referred to as CPU).
- the memory 233 may be a volatile memory (English: volatile memory), such as a random access memory (English: random-access memory, abbreviation: RAM); or a non-volatile memory (English: non-volatile memory), for example Read-only memory (English: read-only memory, abbreviation: ROM), flash memory (English: flash memory), hard disk (English: hard disk drive, abbreviation: HDD) or solid state drive (English: solid-state drive, abbreviation :SSD); or a combination of the above types of memory and providing instructions and data to the processor 232.
- volatile memory such as a random access memory (English: random-access memory, abbreviation: RAM); or a non-volatile memory (English: non-volatile memory), for example Read-only memory (English: read-only memory, abbreviation: ROM), flash memory (English: flash memory), hard disk (English: hard disk drive, abbreviation: HDD) or solid state drive (English: solid-state drive, abbreviation
- the processor 232 is configured to determine whether the user equipment can perform D2D communication on the first cell.
- Whether the user equipment can perform D2D communication on the first cell may refer to whether the user equipment is authorized to perform D2D communication on the first cell;
- a cell may be a secondary cell or a non-serving cell of the user equipment.
- the D2D communication may be equivalent to a ProSe service, and may include one or more of the following communications: ProSe Direct Discovery, ProSe Relay Communication, ProSe Direct Communication, Send D2D discovery (ProSe Direct Discovery) message, send D2D relay communication (ProSe Relay Communication) message, send D2D communication (ProSe Direct Communication) message, receive D2D discovery message, receive D2D delayed relay communication message, listen for D2D discovery Message.
- the communication unit 231 is configured to: when the processor 232 determines that the user equipment can perform D2D communication on the first cell, send a response message to the user equipment, so that the user equipment performs D2D on the first cell.
- the communication message is used to provide the user equipment with D2D communication resources on the first cell;
- the response message may include:
- L The number L of resources of the D2D communication performed by the user equipment, where L is a positive integer; and/or,
- the D2D communication resource configuration of the first cell a dedicated resource configuration, and a resource pool configuration;
- the UE autonomously selects a resource in the resource pool, where the resource is used for performing D2D communication (for example, sending a discoery message, that is, a discovery message announcement);
- the UE autonomously selects a resource on the dedicated resource in the resource pool, where the resource is used for the UE to perform D2D communication (for example, sending a discery message, ie, discovery) Message announcement)
- the UE performs D2D communication by using dedicated resources in the resource pool.
- the eNB provides a dedicated resource configuration of the resource pool to the UE for D2D communication (The eNB may configure resource pool along with dedicated resource in the form of time and frequency indices for ProSe service, e, g discovery message announcement).
- L The number L of resources that the user equipment performs D2D communication, where L is a positive integer.
- the number of resources L may be used to indicate the number of resources that the UE requests to send a D2D message, and may include the number of messages that the UE wants to send in each period.
- L may be discTxResourceReq (indicating the number of resources that the UE requests to send a discovery message for each discovery period, and may include the number of discovery messages that the UE wants to send in each transmission period) (Indicates number of resources the UE requires every discovery) The period for transmitting sidelink direct discovery announcement. It concerns the number of separate discovery message(s) the UE wants to transmit every discovery period).
- the response message may further include: a cell index (Scellindex), where the cell index is used to indicate the first cell.
- Scellindex a cell index
- the processor 232 is specifically configured to determine whether the user equipment can perform D2D communication on the first cell by using any one or more of the following (1), (2), and (3).
- the first base station determines whether the user equipment is authorized to perform D2D communication on the first cell
- the first base station may determine, according to the first cell information and the PLMN (Public Land Mobile Network) information, whether the user equipment is authorized to perform D2D communication on the first cell;
- PLMN Public Land Mobile Network
- the authorized PLMN identifier provided in the PLMN information includes the PLMN identifier corresponding to the first cell, determining that the UE is authorized to perform D2D communication, or determining that the first cell is a cell that the user equipment can authorize D2D communication ;
- the authorized PLMN identifier provided in the PLMN information does not include the PLMN identifier corresponding to the first cell, determining that the UE is not authorized to perform D2D communication, or determining that the first cell is not the user equipment A cell that authorizes D2D communication.
- the first cell information is used to determine a PLMN identity corresponding to the first cell, and includes at least one of the following: an Evolved Cell Global Identifier, an egthe globally unique identity of a cell in E- UTRA), the PLMN identifier corresponding to the first cell or the physical layer identity of the first cell, the first cell frequency;
- the PLMN information is used to provide information about a PLMN authorization status, the PLMN information is used to provide information on the authorization status of PLMN for ProSe services, or to indicate a user.
- the device is authorized to perform D2D communication (indicating in which PLMN the UE is authorized for ProSe services), or is used to indicate that the user equipment is authorized to perform D2D communication in the cells corresponding to the PLMN; may include one or more of the following: item:
- the authorization status of each PLMN includes ture or fail; the "ture” indicates that the PLMN is a PLMN authorized by the UE, or the PLMN is the UE A PLMN authorized to perform D2D communication.
- the "fale” indicates that the PLMN is not authorized by the UE.
- the PLMN, or the PLMN is a PLMN for which the UE is not authorized to perform D2D communication.
- the first base station determines whether resources are allocated to the user equipment on the first cell
- the first base station determines whether the signal quality of the user equipment on the first cell meets a preset threshold, and includes:
- the preset threshold may be set as needed, which is not limited in this embodiment of the present invention.
- the communication unit 231 is further configured to:
- the neighbor cell measurement report includes a signal quality on the first cell measured by the user equipment.
- the first cell and the second cell may belong to the same PLMN or different PLMNs.
- the first base station is a second cell and a base station of the first cell
- the first base station is a second cell base station
- the second base station is a base station of the first cell
- the base station may perform the foregoing process at the request of the user equipment, as follows:
- the communication unit 231 is further configured to receive the first request sent by the user equipment.
- the first request message is used to request that the user equipment be provided with resources for performing D2D communication.
- the first request message may include:
- a cell identifier ECGI of the candidate cell a physical cell identifier of the candidate cell, a PCI and a frequency of the cell, and one or more of the identifiers of the PLMN to which the candidate cell belongs; and/or,
- the number M of resources of the D2D communication performed by the user equipment where the M is a positive integer
- the candidate cell may be a cell that the user equipment wants to perform D2D communication.
- the candidate cell may be the first cell; the number of the resources M, where the M is a positive integer may be used.
- the number of resources that the UE is requested to send for the D2D message may include the number of messages that the UE wishes to send in each cycle.
- M may be discTxResourceReq (indicating the number of resources that the UE requests to send a discovery message for each discovery period, and may include the number of discovery messages that the UE wants to send in each transmission period) (Indicates number of resources the UE requires every discovery) The period for transmitting sidelink direct discovery announcement. It concerns the number of separate discovery message(s) the UE wants to transmit every discovery period).
- the base station of the first cell is the second base station
- the first base station needs to retrieve some available resource information from itself or the second base station in advance to allocate the user equipment that needs the D2D communication resource, specifically:
- the communication unit 231 is further configured to send a second request message to the second base station, where the request message is used to request a resource for performing D2D communication or provide a cell resource of the first base station for D2D communication, where The resources can be used for D2D communication;
- the communication unit 231 is further configured to receive a first response message sent by the second base station, where the first response message provides resources of a cell of the second base station, The resource is used for D2D communication; or the first response message includes a resource for D2D communication on the first cell; or
- the receiving unit forwards the request message to the second base station of the first cell, by The second base station of the cell performs the determination of the D2D communication resource, and after receiving the determination result of the second base station, sends a corresponding message to the user equipment, as follows:
- the communication unit 231 is further configured to send a third request message to the second base station, where the third request message is used to request, for the user equipment, a resource for performing D2D communication;
- the communication unit 231 is further configured to receive the response message sent by the second base station, where the response message includes resource information that the user equipment communicates in the first cell D2D, indicating that the user equipment is available on the first cell. Perform D2D communication; or,
- an embodiment of the present invention provides a base station, where the user equipment is provided with a D2D communication resource of a first cell, where the first cell is a secondary cell or a non-serving cell, so that the user equipment can use the secondary cell or
- the communication of the D2D communication resources of the non-serving cell avoids the problem that the communication load of the user equipment is restricted to the primary cell or the serving cell of the user equipment in the prior art, resulting in an increase in the load of the primary cell.
- FIG. 24 is a structural diagram of a base station 24 according to an embodiment of the present invention, which is used to perform the resource allocation method according to Embodiment 2, where the base station may be a base station of the first cell, and the first cell a secondary cell or a non-serving cell of the user equipment; as shown in FIG. 24, the base station 24 may include: a communication unit 241, processing 242, a memory 243, and at least one communication bus 244 for implementing connections and mutual communication between the devices;
- the communication unit 241 is configured to perform data transmission with an external network element.
- the processor 242 may be a central processing unit (English: central processing unit, referred to as CPU).
- the memory 243 may be a volatile memory (English: volatile memory), such as random access memory (English: random-access memory, abbreviation: RAM); or non-volatile memory (English: non-volatile memory), for example Read-only memory (English: read-only memory, abbreviation: ROM), flash memory (English: flash memory), hard disk (English: hard disk drive, abbreviation: HDD) or solid state drive (English: solid-state drive, abbreviation :SSD); or a combination of the above types of memory and providing instructions and data to the processor 242.
- volatile memory such as random access memory (English: random-access memory, abbreviation: RAM); or non-volatile memory (English: non-volatile memory), for example Read-only memory (English: read-only memory, abbreviation: ROM), flash memory (English: flash memory), hard disk (English: hard disk drive, abbreviation: HDD) or solid state drive (English: solid-state drive, abbreviation :SSD); or a combination
- the processor 242 is configured to determine whether the user equipment can perform D2D communication on the first cell.
- the communication unit 241 is configured to: when the processor 242 determines that the user equipment can perform D2D communication on the first cell, send a response message to the first base station, so that the first base station notifies the user equipment that the Performing D2D communication resources on a cell; the response message is used to provide the user equipment with D2D communication resources of the first cell, and provide the user equipment with D2D communication resources on the first cell;
- the processor 242 determines that the user equipment is incapable of performing D2D communication on the first cell, sending a reply message to the first base station, so that the first base station notifies that the user equipment is not available on the first cell. Perform D2D communication.
- the response message may include:
- L The number L of resources of the D2D communication performed by the user equipment, where L is a positive integer; and/or,
- D2D communication resource configuration of the first cell dedicated resource configuration, resource pool Configuration (resource pool configuration);
- the UE autonomously selects a resource in the resource pool, where the resource is used for performing D2D communication (for example, sending a discoery message, that is, a discovery message announcement);
- the UE autonomously selects a resource on the dedicated resource in the resource pool, where the resource is used for the UE to perform D2D communication (for example, sending a discery message, that is, a discovery message announcement)
- the UE performs D2D communication by using dedicated resources in the resource pool.
- the eNB provides a dedicated resource configuration of the resource pool to the UE for D2D communication (The eNB may configure resource pool along with dedicated resource in the form of time and frequency indices for ProSe service, e, g discovery message announcement).
- L The number L of resources that the user equipment performs D2D communication, where L is a positive integer.
- the number of resources is L, and the L is a positive integer, which may be a discTxResourceReq (indicating the number of resources used by the UE to send a discovery message for each discovery period, and may include the UE that wants to send a discovery message in each transmission period. (Indicates number of resources the UE requires every discovery period for transmitting sidelink direct discovery announcement. It concerns the number of separate discovery message(s) the UE wants to transmit every discovery period).
- the response message may further include: a cell index (Scellindex), where the cell index is used to indicate the first cell.
- Scellindex a cell index
- the first base station is a base station of a second cell of the user equipment, and the second cell is a primary cell or a serving cell of the user equipment.
- the processor 242 may pass any of the following (1), (2), and (3) One or more ways determine whether the user equipment can perform D2D communication on the first cell.
- the processor 242 may determine, according to the first cell information and the PLMN information, whether the user equipment is authorized to perform D2D communication on the first cell;
- the authorized PLMN identifier provided in the PLMN information includes the PLMN identifier corresponding to the first cell, determining that the UE is authorized to perform D2D communication, or determining that the first cell is a cell that the user equipment can authorize D2D communication ;
- the authorized PLMN identifier provided in the PLMN information does not include the PLMN identifier corresponding to the first cell, determining that the UE is not authorized to perform D2D communication, or determining that the first cell is not the user equipment A cell that authorizes D2D communication.
- the first cell information is used to determine a PLMN identity corresponding to the first cell, and includes at least one of the following: the first cell indicates an ECGI, the PLMN identifier corresponding to the first cell, or the physical layer of the first cell indicates PCI.
- the PLMN information is used to provide information about a PLMN authorization status, the authorization PLMN is used for the authorization status of the PLMN for ProSe services, or to indicate which PLMN the user equipment is authorized to. Indicating in which PLMN the UE is authorized for ProSe services), or for indicating that the user equipment is authorized to perform D2D communication in the cells corresponding to the PLMN; may include one or more of the following:
- a PLMN indication of at least one authorized PLMN a PLMN indication of at least one unauthorized PLMN, a PLMN(s) supported by the user equipment, wherein each The authorization status of each PLMN.
- the first base station determines whether resources are allocated to the user equipment on the first cell
- the first base station determines whether the signal quality of the user equipment on the first cell meets a preset threshold, and includes:
- the preset threshold may be set as needed, which is not limited in this embodiment of the present invention.
- the communication unit 241 is further configured to receive a neighbor cell measurement report reported by the user equipment, where the neighbor cell measurement report includes a signal quality on the first cell measured by the user equipment.
- the communication unit 241 is further configured to receive a first request message sent by the second base station, where the first request message is used to request to provide the user equipment with a resource for performing D2D communication;
- the first request message is used to request that the user equipment be provided with resources for performing D2D communication.
- the first request message may include:
- a cell identifier ECGI of the candidate cell a physical cell identifier of the candidate cell, a PCI and a frequency of the cell, and one or more of the identifiers of the PLMN to which the candidate cell belongs; and/or,
- the number M of resources of the D2D communication performed by the user equipment where the M is a positive integer
- the candidate cell may be required to perform D2D communication for the user equipment.
- the candidate cell may be the first cell; the number of the resources M, the M being a positive integer may be used to indicate the number of resources that the UE requests to send a D2D message, and may include The UE wants to send the number of messages in each cycle.
- M may be discTxResourceReq (indicating the number of resources that the UE requests to send a discovery message for each discovery period, and may include the number of discovery messages that the UE wants to send in each transmission period) (Indicates number of resources the UE requires every discovery) The period for transmitting sidelink direct discovery announcement. It concerns the number of separate discovery message(s) the UE wants to transmit every discovery period).
- the base station may further provide resource information to the first base station in advance for the first base station to provide D2D communication resources for the user equipment that needs the communication resource, specifically:
- the communication unit 241 is configured to receive a second request message sent by the first base station, where the request message is used to request a resource for performing D2D communication or provide a cell resource of the base station for D2D communication, where the resource Can be used for D2D communication;
- the communication unit 241 is further configured to send a response message to the first base station, where the response message provides resources of a cell of the second base station, the resource is used for D2D communication; or the response message includes Resources for D2D communication on the first cell; or
- an embodiment of the present invention provides a base station, where the user equipment is provided with a D2D communication resource of a first cell, where the first cell is a secondary cell or a non-serving cell, so that the user equipment can use the secondary cell or
- the communication of the D2D communication resources of the non-serving cell avoids the problem that the communication resources of the user equipment are restricted to the primary cell of the user equipment in the prior art, resulting in an increase in the load of the primary cell.
- the first cell and the second cell may belong to different PLMNs or may belong to the same PLMN.
- the invention is not limited.
- the base station of the first cell and the base station of the second cell may belong to different PLMNs or may belong to the same PLMN.
- the first base station and the second base station may belong to different PLMNs or may belong to the same PLMN. Do not repeat them one by one.
- FIG. 25 is a structural diagram of a user equipment 25 according to an embodiment of the present invention, which is used to perform the resource allocation method according to the third embodiment.
- the user equipment 25 may include: a communication unit 251. a processor 252, a memory 253, and at least one communication bus 254 for implementing connections and mutual communication between the devices;
- the communication unit 251 is configured to perform data transmission with an external network element.
- the processor 252 may be a central processing unit (English: central processing unit, referred to as CPU).
- the memory 253 may be a volatile memory (English: volatile memory), such as random access memory (English: random-access memory, abbreviation: RAM); or non-volatile memory (English: non-volatile memory), for example Read-only memory (English: read-only memory, abbreviation: ROM), flash memory (English: flash memory), hard disk (English: hard disk drive, abbreviation: HDD) or solid state drive (English: solid-state drive, abbreviation :SSD); or a combination of the above types of memory and providing instructions and data to the processor 252.
- volatile memory such as random access memory (English: random-access memory, abbreviation: RAM); or non-volatile memory (English: non-volatile memory), for example Read-only memory (English: read-only memory, abbreviation: ROM), flash memory (English: flash memory), hard disk (English: hard disk drive, abbreviation: HDD) or solid state drive (English: solid-state drive, abbreviation :SSD); or a combination
- the communication unit 250 is configured to receive a response message sent by the base station, where the response message is used to provide the user equipment with a D2D communication resource of the first cell, where the first cell is a secondary cell of the user equipment. Or a non-serving cell;
- the response message may include: a cell identifier of the first cell, a physical cell identifier PCI of the first cell, a frequency of the first cell, and an identifier of a PLMN to which the first cell belongs or a plurality of; and/or the number L of resources of the user equipment for D2D communication, where L is a positive integer.
- the number of resources L may be used to indicate the number of resources that the UE requests to send a D2D message, and may include the number of messages that the UE wants to send in each period.
- L can be discTxResourceReq (for indicating UE).
- the number of resources required to send the discovery message in each discovery period may include the number of resources that the UE requires every discovery period for transmitting sidelink direct discovery announcement. The number of separate discovery message(s) the UE wants to transmit every discovery period).
- the response message further includes:
- L The number L of resources that the user equipment performs D2D communication, where L is a positive integer.
- the response message further includes: a cell index Scellindex, where the cell index is used to indicate the first cell.
- the communication unit 251 is further configured to: send a request message to the base station;
- the request message is used to request to provide the user equipment with resources for performing D2D communication, and may include:
- a cell identifier ECGI of the candidate cell a physical cell identifier of the candidate cell, a PCI and a frequency of the cell, and one or more of the identifiers of the PLMN to which the candidate cell belongs; and/or,
- the number M of resources that the user equipment performs D2D communication in the candidate cell where the M is a positive integer.
- the candidate cell may be a cell on which the user equipment wants to perform D2D communication; preferably, the candidate cell may be the first cell.
- the communication unit 251 is further configured to:
- a neighbor cell measurement report so that the base station determines, according to the neighbor cell measurement report, that the user equipment can perform D2D communication on the first cell, where the neighbor cell measurement report includes the user equipment The first of the measurements Signal quality on the cell.
- the base station may be a base station that is common to the second cell and the first cell, where the second cell is a serving cell or a primary cell of the user equipment, where The first cell and the second cell belong to the same PLMN or different PLMNs;
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Abstract
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Claims (82)
- 一种资源分配方法,其特征在于,包括:第一基站确定用户设备是否可在第一小区上进行D2D通信;其中,所述第一小区为所述用户设备的辅小区或者非服务小区;当所述第一基站确定所述用户设备可在第一小区上进行D2D通信时,所述第一基站向所述用户设备发送响应消息,以使得所述用户设备在所述第一小区上进行D2D通信;其中,所述响应消息用于为所述用户设备提供第一小区的D2D通信资源;或者,当所述第一基站确定所述用户设备不可在第一小区上进行D2D通信时,所述第一基站向所述用户设备发送回复消息,以通知所述用户设备不可在第一小区上进行D2D通信。
- 根据权利要求1所述的资源分配方法,其特征在于,所述第一基站为第二小区的基站,所述第二小区为所述用户设备的主小区或服务小区。
- 根据权利要求1或2所述的资源分配方法,其特征在于,所述确定所述用户设备是否可在第一小区上进行D2D通信包括:所述第一基站确定所述用户设备是否被授权在所述第一小区上进行D2D通信;若确定所述用户设备被授权在所述第一小区上进行D2D通信,则确定所述用户设备可在第一小区上进行D2D通信;或者,若确定所述用户设备没有被授权进行D2D通信,则确定所述用户设备不可在第一小区上进行D2D通信;或者,所述第一基站确定所述第一小区上是否有资源分配给所述用户设备;若确定所述第一小区或第一载波上有资源分配给所述用户设备,则确定所述用户设备可在第一小区上进行D2D通信;若确定所述第一小区或第一载波上没有资源分配给所述用户设备,则确定所述用户设备不可在第一小区上进行D2D通信;或者,所述第一基站判断所述用户设备在第一小区上的信号质量是 否满足预设阈值,若确定所述用户设备在第一小区上的信号质量满足预设阈值,则确定所述用户设备可在第一小区上进行D2D通信;若确定所述用户设备在第一小区上的信号质量不满足预设阈值,则确定所述用户设备不可在第一小区上进行D2D通信。
- 根据权利要求3所述的资源分配方法,其特征在于,所述第一基站确定所述用户设备是否被授权在所述第一小区上进行D2D通信,包括:所述第一基站根据第一小区信息以及PLMN(Public Land Mobile Network,公共陆地移动网络)信息确定所述用户设备是否被授权在所述第一小区上进行D2D通信;
- 根据权利要求4所述的资源分配方法,其特征在于,所述第一基站根据第一小区信息以及PLMN(Public Land Mobile Network,公共陆地移动网络)信息确定所述用户设备是否被授权在所述第一小区上进行D2D通信,包括:若所述PLMN信息中提供的授权的PLMN标识中包含所述第一小区对应的PLMN标识,则确定UE被授权进行D2D通信,或者则确定所述第一小区为用户设备可授权D2D通信的小区;若所述PLMN信息中提供的授权的PLMN标识中没有包含所述第一小区对应的PLMN标识,则确定UE不被授权进行D2D通信,或者则确定所述第一小区不为所述用户设备可授权D2D通信的小区。
- 根据权利要求3所述的资源分配方法,其特征在于,在所述第一基站判断所述用户设备在第一小区上的信号质量是否满足预设阈值之前,所述方法还包括:所述第一基站接收所述用户设备上报的邻小区测量报告;其中,所述邻小区测量报告包含所述用户设备测量的所述第一小区上的信号质量。
- 根据权利要求1-6任一项所述的资源分配方法,其特征在于,所述方法还包括:所述第一基站接收所述用户设备发送的第一请求消息;其中,所述第一请求消息用于请求确定用于所述用户设备进行D2D通信的资源,包含:候选小区的小区标识ECGI、候选小区的物理小区标识PCI和小区的频率、候选小区所属PLMN的标识中的一个或多个;和/或者,所述用户设备进行D2D通信的资源个数M,所述M为正整数。
- 根据权利要求7所述的资源分配方法,其特征在于,所述候选小区为所述第一小区;且所述第一小区的基站为所述第一基站,或者所述第一小区的基站为第二基站。
- 根据权利要求8所述的资源分配方法,其特征在于,当所述第一小区的基站为第二基站时,在所述第一基站接收所述用户设备发送的请求消息之前,所述方法还包括:所述第一基站向所述第二基站发送第二请求消息,其中,所述第二请求消息用于请求进行D2D通信的资源或者提供用于D2D通信的所述第二基站的小区资源;所述第一基站接收所述第二基站发送的第一响应消息,其中,所述响应消息提供了所述第二基站的小区的资源,所述资源用于D2D通信;或者所述响应消息包含所述第一小区上用于D2D通信的资源;或者,所述第一基站接收所述第二基站发送的第一回复消息,其中,所述回复消息用于表示不提供资源用于D2D通信。
- 根据权利要求8或者9所述的资源分配方法,其特征在于,所述方法还包括:所述第一基站向所述第二基站发送的第三请求消息,其中,所述第三请求消息用于请求所述用户设备进行D2D通信的资源;和/或者,所述第一基站接收所述第二基站发送的响应消息,其中,所述响应消息用于表示确定所述用户设备可在第一小区上进行D2D通信,所述响应消息包含所述终端用户在第一小区D2D通信的资源;或者所述第一基站接收到所述第二基站发送的回复消息,其 中,所述回复消息用于表示所述用户设备不可在第一小区上进行D2D通信。
- 根据权利要求1-10任一项所述的资源分配方法,其特征在于,所述响应消息包含:所述第一小区的小区标识、所述第一小区的物理小区标识PCI和所述第一小区的频率、所述第一小区所属PLMN的标识中的一个或多个;和/或者,所述用户设备进行D2D通信的资源个数L,所述L为正整数;和/或者,所述第一小区的D2D通信资源配置:专用资源配置,资源池配置。
- 根据权利要求11所述的资源分配方法,其特征在于,所述响应消息还包含:所述第二小区的小区标识、所述第二小区的物理小区标识PCI和所述第二小区的频率、所述第二小区所属PLMN的标识中的一个或多个;和/或者,所述用户设备进行D2D通信的资源个数L,所述L为正整数。
- 根据权利要求1-12任一项所述的资源分配方法,其特征在于,所述响应消息包含:小区索引Scellindex,所述小区索引用于指示所述第一小区。
- 根据权利要求13所述的资源分配方法,其特征在于,所述D2D通信(ProSe service)包括:D2D发现(ProSe Direct Discovery)、D2D中继通信(ProSerelay Communication)、D2D通信(ProSe Direct Communication)、发送D2D发现(ProSe Direct Discovery)消息、发送D2D中继通信(ProSe relay Communication)消息、发送D2D通信(ProSe Direct Communication)消息、接收D2D发现消息、接收D2D延时中继通信消息、侦听D2D发现消息、侦听D2D中继通信消息中的一个或多个。
- 根据权利要求4所述的资源分配方法,其特征在于,包括:所述第一基站为所述第二小区和所述第一小区的基站。
- 根据权利要求7所述的资源分配方法,其特征在于,所述第一基站接收所述用户设备发送的第一请求消息,包括:所述第一基站在所述第二小区中接收所述用户设备发送的第一请求消息。
- 一种资源分配方法,其特征在于,包括:第二基站确定用户设备是否可在第一小区上进行D2D通信;其中,所述第一小区为所述用户设备的辅小区或者非服务小区;所述第二基站为所述第一小区的基站;当所述第二基站确定所述用户设备可在第一小区上进行D2D通信时,所述第二基站向第一基站发送响应消息,其中,所述响应消息用于为所述用户设备提供第一小区的D2D通信资源,所述第一基站为所述用户设备的第二小区的基站,所述第二小区为所述用户设备的主小区或服务小区;或者,当所述第二基站确定所述用户设备不可在第一小区上进行D2D通信时,所述第二基站向所述第一基站发送回复消息,所述回复消息用于通知所述用户设备不可在第一小区上进行D2D通信;或者,当所述第二基站确定所述用户设备可在第一小区上进行D2D通信时,所述第二基站向第一基站发送响应消息,以使得所述第一基站通知用户设备在所述第一小区上进行D2D通信;其中,所述响应消息用于为所述用户设备提供第一小区的D2D通信资源,所述第一基站为所述用户设备的第二小区的基站,所述第二小区为所述用户设备的主小区或服务小区;和/或者,当所述第二基站确定所述用户设备不可在第一小区上进行D2D通信时,所述第二基站向所述第一基站发送回复消息,以使得第一第二基站通知所述用户设备不可在第一小区上进行D2D通信。
- 根据权利要求17所述的资源分配方法,其特征在于,所 述确定所述用户设备是否可在第一小区上进行D2D通信包括:所述第二基站确定所述用户设备是否被授权在所述第一小区上进行D2D通信;若确定所述用户设备被授权在所述第一小区上进行D2D通信,则确定所述用户设备可在第一小区上进行D2D通信;或者,若确定所述用户设备没有被授权进行D2D通信,则确定所述用户设备不可在第一小区上进行D2D通信;或者,所述第二基站确定所述第一小区上是否有资源分配给所述用户设备;若确定所述第一小区或第一载波上有资源分配给所述用户设备,则确定所述用户设备可在第一小区上进行D2D通信;若确定所述第一小区或第一载波上没有资源分配给所述用户设备,则确定所述用户设备不可在第一小区上进行D2D通信;或者,所述第二基站判断所述用户设备在第一小区上的信号质量是否满足预设阈值,若确定所述用户设备在第一小区上的信号质量满足预设阈值,则确定所述用户设备可在第一小区上进行D2D通信;若确定所述用户设备在第一小区上的信号质量不满足预设阈值,则确定所述用户设备不可在第一小区上进行D2D通信。
- 根据权利要求17或18所述的资源分配方法,其特征在于,在所述第二基站确定所述用户设备是否可在第一小区上进行D2D通信之前,所述方法还包括:所述第二基站接收第一基站发送的请求消息,其中,所述请求消息用于请求为所述用户设备提供进行D2D通信的资源。
- 根据权利要求19所述的资源分配方法,其特征在于,所述请求消息包含:候选小区的小区标识ECGI、候选小区的物理小区标识PCI和小区的频率、候选小区所属PLMN的标识中的一个或多个;和/或者,所述用户设备进行D2D通信的资源个数M,所述M为正整数。
- 根据权利要求20所述的资源分配方法,其特征在于,所述候选小区为所述第一小区。
- 根据权利要求17-21任一项所述的资源分配方法,其特征在于,所述方法还包括:第二基站接收第一基站发送的第一请求消息,其中,所述第一请求消息用于请求进行D2D通信的资源或者提供用于D2D通信的所述第二基站的小区资源;所述第二基站向第一基站发送的第一响应消息,其中,所述响应消息提供了所述第二基站的小区的资源,所述资源用于D2D通信;或者所述响应消息包含所述第一小区上用于D2D通信的资源;或者,所述第二基站向所述第一基站发送第一回复消息,其中,所述回复消息用于表示不提供资源用于D2D通信。
- 根据权利要求22所述的资源分配方法,其特征在于,所述D2D通信(ProSe service)包括:D2D发现(ProSe Direct Discovery)、D2D中继通信(ProSerelay Communication)、D2D通信(ProSe Direct Communication)、发送D2D发现(ProSe Direct Discovery)消息、发送D2D中继通信(ProSe relay Communication)消息、发送D2D通信(ProSe Direct Communication)消息、接收D2D发现消息、接收D2D延时中继通信消息、侦听D2D发现消息、侦听D2D中继通信消息中的一个或多个。
- 一种资源分配方法,其特征在于,包括:用户设备接收基站发送的响应消息,其中,所述响应消息用于为所述用户设备提供第一小区的D2D通信资源;其中,所述第一小区为所述用户设备的辅小区或者非服务小区;所述用户设备在所述第一小区上进行D2D通信。
- 根据权利要求24所述的资源分配方法,其特征在于,在用户设备接收基站发送的响应消息之前,所述还包括:所述用户设备向所述基站发送请求消息,其中,所述请求消息用于请求用于所述用户设备进行D2D通信的资源。
- 根据权利要求25所述的资源分配方法,其特征在于,所述方法还包括:所述用户设备向所述基站上报邻小区测量报告,以使得所述基站根据所述邻小区测量报告确定所述用户设备可在第一小区上进行D2D通信;其中,所述邻小区测量报告包含所述用户设备测量的所述第一小区上的信号质量。
- 根据权利要求24-26任一项所述的资源分配方法,其特征在于,所述基站为第二小区和所述第一小区的基站,所述第二小区为所述用户设备的服务小区或主小区;或者,所述基站为第二小区的基站,所述第二小区为所述用户设备的服务小区或主小区。
- 根据权利要求27所述的资源分配方法,其特征在于,所述请求消息包含:候选小区的小区标识ECGI、候选小区的物理小区标识PCI和小区的频率、候选小区所属PLMN的标识中的一个或多个;和/或者,所述用户设备进行D2D通信的资源个数M,所述M为正整数。
- 根据权利要求28所述的资源分配方法,其特征在于,所述候选小区是所述第一小区。
- 根据权利要求24-29任一项所述的资源分配方法,其特征在于,所述响应消息包含:所述第一小区的小区标识、所述第一小区的物理小区标识PCI和所述第一小区的频率、所述第一小区所属PLMN的标识中的一个或多个;和/或者,所述用户设备进行D2D通信的资源个数L,所述L为正整数。
- 根据权利要求30所述的资源分配方法,其特征在于,所述响应消息还包含:所述第二小区的小区标识、所述第二小区的物理小区标识PCI和所述第二小区的频率、所述第二小区所属PLMN的标识中的一个 或多个;和/或者,所述用户设备进行D2D通信的资源个数L,所述L为正整数。
- 根据权利要求24-31任一项所述的资源分配方法,其特征在于,所述响应消息还包含:小区索引Scellindex,所述小区索引用于指示所述第一小区。
- 根据权利要求24-32任一项所述的资源分配方法,其特征在于,所述D2D通信(ProSe service)包括:D2D发现(ProSe Direct Discovery),D2D中继通信(ProSe relay Communication),D2D通信(ProSe Direct Communication),发送D2D发现(ProSe Direct Discovery)消息、发送D2D中继通信(ProSerelay Communication)消息、发送D2D通信(ProSe Direct Communication)消息、接收D2D发现消息、接收D2D延时中继通信消息、侦听D2D发现消息、侦听D2D中继通信消息中的一个或多个。
- 根据权利要求33所述的资源分配方法,其特征在于,所述第一小区与所述第二小区属于不同的PLMN或者属于同一个PLMN。
- 根据权利要求24所述的资源分配方法,其特征在于,所述第一小区为所述用户设备的辅小区或者非服务小区,且所述用户设备被授权在所述第一小区上进行D2D通信;或者,所述第一小区为所述用户设备的辅小区或者非服务小区,且所述用户设备被授权可使用所述第一小区的资源进行D2D通信。
- 一种资源分配方法,其特征在于,包括:第一基站向用户设备发送系统消息,所述系统消息包含了在第一小区发送或侦听Discovery消息的资源配置,以使得在所述用户设备根据所述资源配置,在所述第一小区上发送或侦听Discovery消息;其中,所述第一小区为所述用户设备的辅小区或者非服务小区。
- 根据权利要求36所述的资源分配方法,其特征在于,所述第一基站向用户设备发送系统消息,包括:所述第一基站在第二小区向用户设备发送系统消息。
- 根据权利要求36或37所述的资源分配方法,其特征在于,所述方法还包括:所述第一基站接收第二基站发送的资源配置消息,所述资源配置消息包含在第一小区接收或发送D2D discovery消息的资源配置;其中,所述第二基站为所述第一小区的基站。
- 根据权利要求38所述的资源分配方法,其特征在于,所述第一基站向用户设备发送系统消息,包括:所述第一基站在第一小区向用户设备发送系统消息。
- 一种资源分配方法,其特征在于,包括;用户设备侦听第一基站发送的系统消息;所述系统消息包含了在第一小区发送或者侦听Discovery消息的资源配置;其中,所述第一小区为所述用户设备的辅小区或者非服务小区;所述用户设备根据所述发送或者侦听Discovery消息的资源配置,在所述第一小区上发送或者侦听Discovery消息。
- 根据权利要求40所述的资源分配方法,其特征在于,所述在所述第一小区上发送或侦听Discovery消息包括:所述用户设备在授权的第一小区上发送或者侦听Discovery消息;或者所述用户设备确认被授权在所述第一小区上发送或侦听Discovery消息后,在所述第一小区上发送或侦听Discovery消息。
- 根据权利要求41所述的资源分配方法,其特征在于,所述用户设备侦听系统消息,包括:所述用户设备在第一小区或者第二小区侦听系统消息,其中,所述第二小区为所述用户设备的主小区或服务小区。
- 一种基站,其特征在于,包括:确定单元,用于确定用户设备是否可在第一小区上进行D2D通 信;其中,所述第一小区为所述用户设备的辅小区或者非服务小区;发送单元,用于当所述确定单元确定所述用户设备可在第一小区上进行D2D通信时,所述第一基站向所述用户设备发送响应消息,以使得所述用户设备在所述第一小区上进行D2D通信;其中,所述响应消息用于为所述用户设备提供第一小区的D2D通信资源;或者,当所述确定单元确定所述用户设备不可在第一小区上进行D2D通信时,所述第一基站向所述用户设备发送回复消息,以通知所述用户设备不可在第一小区上进行D2D通信。
- 根据权利要求43所述的基站,其特征在于,所述基站为第二小区的基站,所述第二小区为所述用户设备的主小区或服务小区。
- 根据权利要求43或44所述的基站,其特征在于,确定单元,具体用于:确定所述用户设备是否被授权在所述第一小区上进行D2D通信;若确定所述用户设备被授权在所述第一小区上进行D2D通信,则确定所述用户设备可在第一小区上进行D2D通信;或者,若确定所述用户设备没有被授权进行D2D通信,则确定所述用户设备不可在第一小区上进行D2D通信;或者,确定所述第一小区上是否有资源分配给所述用户设备;若确定所述第一小区或第一载波上有资源分配给所述用户设备,则确定所述用户设备可在第一小区上进行D2D通信;若确定所述第一小区或第一载波上没有资源分配给所述用户设备,则确定所述用户设备不可在第一小区上进行D2D通信;或者,判断所述用户设备在第一小区上的信号质量是否满足预设阈值,若确定所述用户设备在第一小区上的信号质量满足预设阈值,则确定所述用户设备可在第一小区上进行D2D通信;若确定所述用 户设备在第一小区上的信号质量不满足预设阈值,则确定所述用户设备不可在第一小区上进行D2D通信。
- 根据权利要求45所述的基站,其特征在于,所述基站还包括:接收单元;所述接收单元,用于在判断所述用户设备在第一小区上的信号质量是否满足预设阈值之前,接收所述用户设备上报的邻小区测量报告;其中,所述邻小区测量报告包含所述用户设备测量的所述第一小区上的信号质量。
- 根据权利要求42-46任一项所述的基站,其特征在于,所述接收单元,还用于:接收所述用户设备发送的第一请求消息;其中,所述第一请求消息用于请求确定用于所述用户设备进行D2D通信的资源,包含:候选小区的小区标识ECGI、候选小区的物理小区标识PCI和小区的频率、候选小区所属PLMN的标识中的一个或多个;和/或者,所述用户设备进行D2D通信的资源个数M,所述M为正整数。
- 根据权利要求47所述的基站,其特征在于,所述候选小区为所述第一小区;且所述第一小区的基站为所述第一基站,或者所述第一小区的基站为第二基站。
- 根据权利要求48所述的基站,其特征在于,当所述第一小区的基站为第二基站时,所述发送单元,还用于:在所述第一基站接收所述用户设备发送的请求消息之前,向所述第二基站发送第二请求消息,其中,所述第二请求消息用于请求进行D2D通信的资源或者提供用于D2D通信的所述第二基站的小区资源;所述接收单元,还用于接收所述第二基站发送的第一响应消息,其中,所述响应消息提供了所述第二基站的小区的资源,所述资源用于D2D通信;或者所述响应消息包含所述第一小区上用于D2D通信的资源;或者,接收所述第二基站发送的第一回复消息,其中,所述回复消息用于表示不提供资源用于D2D通信。
- 根据权利要求48或者49所述的基站,其特征在于,所述发送单元,还用于向所述第二基站发送的第三请求消息,其中,所述第三请求消息用于请求所述用户设备进行D2D通信的资源;和/或者,所述接收单元,还用于接收所述第二基站发送的响应消息,其中,所述响应消息用于表示确定所述用户设备可在第一小区上进行D2D通信,所述响应消息包含所述终端用户在第一小区D2D通信的资源;或者接收到所述第二基站发送的回复消息,其中,所述回复消息用于表示所述用户设备不可在第一小区上进行D2D通信。
- 根据权利要求42-50任一项所述的基站,其特征在于,所述响应消息包含:所述第一小区的小区标识、所述第一小区的物理小区标识PCI和所述第一小区的频率、所述第一小区所属PLMN的标识中的一个或多个;和/或者,所述用户设备进行D2D通信的资源个数L,所述L为正整数;和/或者,所述第一小区的D2D通信资源配置:专用资源配置,资源池配置。
- 根据权利要求51所述的基站,其特征在于,所述响应消息还包含:所述第二小区的小区标识、所述第二小区的物理小区标识PCI和所述第二小区的频率、所述第二小区所属PLMN的标识中的一个或多个;和/或者,所述用户设备进行D2D通信的资源个数L,所述L为正整数。
- 根据权利要求52-52任一项所述的基站,其特征在于,所述响应消息包含:小区索引Scellindex,所述小区索引用于指示所 述第一小区。
- 根据权利要求53所述的基站,其特征在于,所述D2D通信(ProSe service)包括:D2D发现(ProSe Direct Discovery)、D2D中继通信(ProSerelay Communication)、D2D通信(ProSe Direct Communication)、发送D2D发现(ProSe Direct Discovery)消息、发送D2D中继通信(ProSe relay Communication)消息、发送D2D通信(ProSe Direct Communication)消息、接收D2D发现消息、接收D2D延时中继通信消息、侦听D2D发现消息、侦听D2D中继通信消息中的一个或多个。
- 根据权利要求54所述的基站,其特征在于,包括:所述第一基站为所述第二小区和所述第一小区的基站。
- 根据权利要求55所述的基站,其特征在于,所述接收单元,具体用于在所述第二小区中接收所述用户设备发送的第一请求消息。
- 一种基站,其特征在于,包括:确定单元,用于确定用户设备是否可在第一小区上进行D2D通信;其中,所述第一小区为所述用户设备的辅小区或者非服务小区;所述第二基站为所述第一小区的基站;发送单元,用于当所述确定单元确定所述用户设备可在第一小区上进行D2D通信时,向第一基站发送响应消息,其中,所述响应消息用于为所述用户设备提供第一小区的D2D通信资源,所述第一基站为所述用户设备的第二小区的基站,所述第二小区为所述用户设备的主小区或服务小区;或者,当所述确定单元确定所述用户设备不可在第一小区上进行D2D通信时,向所述第一基站发送回复消息,所述回复消息用于通知所述用户设备不可在第一小区上进行D2D通信;或者,当所述确定单元确定所述用户设备可在第一小区上进行D2D 通信时,向第一基站发送响应消息,以使得所述第一基站通知用户设备在所述第一小区上进行D2D通信;其中,所述响应消息用于为所述用户设备提供第一小区的D2D通信资源,所述第一基站为所述用户设备的第二小区的基站,所述第二小区为所述用户设备的主小区或服务小区;和/或者,当所述确定单元确定所述用户设备不可在第一小区上进行D2D通信时,向所述第一基站发送回复消息,以使得第一第二基站通知所述用户设备不可在第一小区上进行D2D通信。
- 根据权利要求57所述的基站,其特征在于,所述确定单元,具体用于:确定所述用户设备是否被授权在所述第一小区上进行D2D通信;若确定所述用户设备被授权在所述第一小区上进行D2D通信,则确定所述用户设备可在第一小区上进行D2D通信;或者,若确定所述用户设备没有被授权进行D2D通信,则确定所述用户设备不可在第一小区上进行D2D通信;或者,确定所述第一小区上是否有资源分配给所述用户设备;若确定所述第一小区或第一载波上有资源分配给所述用户设备,则确定所述用户设备可在第一小区上进行D2D通信;若确定所述第一小区或第一载波上没有资源分配给所述用户设备,则确定所述用户设备不可在第一小区上进行D2D通信;或者,判断所述用户设备在第一小区上的信号质量是否满足预设阈值,若确定所述用户设备在第一小区上的信号质量满足预设阈值,则确定所述用户设备可在第一小区上进行D2D通信;若确定所述用户设备在第一小区上的信号质量不满足预设阈值,则确定所述用户设备不可在第一小区上进行D2D通信。
- 根据权利要求57或58所述的资源分配方法,其特征在于,所述基站还包括:接收单元,用于在所述第二基站确定所述用户设备是否可在第一小区上进行D2D通信之前,接收第一基站发送的请求消息,其中,所述请求消息用于请求为所述用户设备提供进行D2D通信的资源。
- 根据权利要求59所述的基站,其特征在于,所述请求消息包含:候选小区的小区标识ECGI、候选小区的物理小区标识PCI和小区的频率、候选小区所属PLMN的标识中的一个或多个;和/或者,所述用户设备进行D2D通信的资源个数M,所述M为正整数。
- 根据权利要求60所述的基站,其特征在于,所述候选小区为所述第一小区。
- 根据权利要求57-61任一项所述的基站,其特征在于,所述接收单元,还用于接收第一基站发送的第一请求消息,其中,所述第一请求消息用于请求进行D2D通信的资源或者提供用于D2D通信的所述第二基站的小区资源;所述发送单元,还用于向第一基站发送的第一响应消息,其中,所述响应消息提供了所述第二基站的小区的资源,所述资源用于D2D通信;或者所述响应消息包含所述第一小区上用于D2D通信的资源;或者,向所述第一基站发送第一回复消息,其中,所述回复消息用于表示不提供资源用于D2D通信。
- 根据权利要求62所述的基站,其特征在于,所述D2D通信(ProSe service)包括:D2D发现(ProSe Direct Discovery)、D2D中继通信(ProSerelay Communication)、D2D通信(ProSe Direct Communication)、发送D2D发现(ProSe Direct Discovery)消息、发送D2D中继通信(ProSe relay Communication)消息、发送D2D通信(ProSe Direct Communication)消息、接收D2D发现消息、接收D2D延时中继通信消息、侦听D2D发现消息、侦听D2D中继通信消息中的一个或多个。
- 一种用户设备,其特征在于,包括:接收单元,用于接收基站发送的响应消息,其中,所述响应消息用于为所述用户设备提供第一小区的D2D通信资源;其中,所述第一小区为所述用户设备的辅小区或者非服务小区;发送单元,用于在所述第一小区上进行D2D通信。
- 根据权利要求64所述的用户设备,其特征在于,所述发送单元,还用于在用户设备接收基站发送的响应消息之前,向所述基站发送请求消息,其中,所述请求消息用于请求用于所述用户设备进行D2D通信的资源。
- 根据权利要求65所述的用户设备,其特征在于,所述发送单元,还用于向所述基站上报邻小区测量报告,以使得所述基站根据所述邻小区测量报告确定所述用户设备可在第一小区上进行D2D通信;其中,所述邻小区测量报告包含所述用户设备测量的所述第一小区上的信号质量。
- 根据权利要求64-66任一项所述的用户设备,其特征在于,所述基站为第二小区和所述第一小区的基站,所述第二小区为所述用户设备的服务小区或主小区;或者,所述基站为第二小区的基站,所述第二小区为所述用户设备的服务小区或主小区。
- 根据权利要求67所述的用户设备,其特征在于,所述请求消息包含:候选小区的小区标识ECGI、候选小区的物理小区标识PCI和小区的频率、候选小区所属PLMN的标识中的一个或多个;和/或者,所述用户设备进行D2D通信的资源个数M,所述M为正整数。
- 根据权利要求68所述的用户设备,其特征在于,所述候选小区是所述第一小区。
- 根据权利要求64-69任一项所述的用户设备,其特征在于,所述响应消息包含:所述第一小区的小区标识、所述第一小区的物理小区标识PCI 和所述第一小区的频率、所述第一小区所属PLMN的标识中的一个或多个;和/或者,所述用户设备进行D2D通信的资源个数L,所述L为正整数。
- 根据权利要求70所述的用户设备,其特征在于,所述响应消息还包含:所述第二小区的小区标识、所述第二小区的物理小区标识PCI和所述第二小区的频率、所述第二小区所属PLMN的标识中的一个或多个;和/或者,所述用户设备进行D2D通信的资源个数L,所述L为正整数。
- 根据权利要求64-71任一项所述的用户设备,其特征在于,所述响应消息还包含:小区索引Scellindex,所述小区索引用于指示所述第一小区。
- 根据权利要求64-72任一项所述的用户设备,其特征在于,所述D2D通信(ProSe service)包括:D2D发现(ProSe Direct Discovery),D2D中继通信(ProSe relay Communication),D2D通信(ProSe Direct Communication),发送D2D发现(ProSe Direct Discovery)消息、发送D2D中继通信(ProSerelay Communication)消息、发送D2D通信(ProSe Direct Communication)消息、接收D2D发现消息、接收D2D延时中继通信消息、侦听D2D发现消息、侦听D2D中继通信消息中的一个或多个。
- 根据权利要求73所述的用户设备,其特征在于,所述第一小区与所述第二小区属于不同的PLMN或者属于同一个PLMN。
- 根据权利要求64所述的用户设备,其特征在于,所述第一小区为所述用户设备的辅小区或者非服务小区,且所述用户设备被授权在所述第一小区上进行D2D通信;或者,所述第一小区为所述用户设备的辅小区或者非服务小区,且所述用户设备被授权可使用所述第一小区的资源进行D2D通信。
- 一种基站,其特征在于,包括:发送单元,用于向用户设备发送系统消息,所述系统消息包含了在第一小区发送或侦听Discovery消息的资源配置,以使得在所述用户设备根据所述资源配置,在所述第一小区上发送或侦听Discovery消息;其中,所述第一小区为所述用户设备的辅小区或者非服务小区。
- 根据权利要求76所述的基站,其特征在于,所述发送单元,具体用于:在第二小区向用户设备发送系统消息。
- 根据权利要求76或77所述的基站,其特征在于,所述基站还包括:接收单元,所述接收单元,用于接收第二基站发送的资源配置消息,所述资源配置消息包含在第一小区接收或发送D2D discovery消息的资源配置;其中,所述第二基站为所述第一小区的基站。
- 根据权利要求78所述的基站,其特征在于,所述发送单元,具体用于:在第一小区向用户设备发送系统消息。
- 一种用户设备,其特征在于,包括;侦听单元,用于侦听第一基站发送的系统消息;所述系统消息包含了在第一小区发送或者侦听Discovery消息的资源配置;其中,所述第一小区为所述用户设备的辅小区或者非服务小区;发送单元,用于根据所述发送或者侦听Discovery消息的资源配置,在所述第一小区上发送或者侦听Discovery消息。
- 根据权利要求80所述的用户设备,其特征在于,所述发送单元,具体用于:在授权的第一小区上发送或者侦听Discovery消息;或者确认被授权在所述第一小区上发送或侦听Discovery消息后,在所述第一小区上发送或侦听Discovery消息。
- 根据权利要求81所述的用户设备,其特征在于,所述侦 听单元,具体用于:在第一小区或者第二小区侦听系统消息,其中,所述第二小区为所述用户设备的主小区或服务小区。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20181224.5A EP3771260B1 (en) | 2015-04-11 | 2015-04-11 | Resource allocation method, device, and system |
CN202010443014.6A CN112004261B (zh) | 2015-04-11 | 2015-04-11 | 一种资源分配方法、设备及系统 |
EP15888754.7A EP3270641B1 (en) | 2015-04-11 | 2015-04-11 | Resource allocation method, device and system |
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PCT/CN2015/076386 WO2016165049A1 (zh) | 2015-04-11 | 2015-04-11 | 一种资源分配方法、设备及系统 |
KR1020177031479A KR102005999B1 (ko) | 2015-04-11 | 2015-04-11 | 자원 할당 방법, 장치 및 시스템 |
CN201580072129.6A CN107113741B (zh) | 2015-04-11 | 2015-04-11 | 一种资源分配方法、设备及系统 |
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EP3332592B1 (en) | 2015-08-06 | 2023-01-25 | Samsung Electronics Co., Ltd. | Method and apparatus for performing inter-carrier d2d communication |
WO2017026836A1 (ko) * | 2015-08-12 | 2017-02-16 | 엘지전자 주식회사 | 무선 통신 시스템에서 단말에 의해 수행되는 사이드링크 단말 정보 보고 방법 및 상기 방법을 이용하는 단말 |
CN111278165B (zh) * | 2019-01-11 | 2022-01-28 | 维沃移动通信有限公司 | 连接建立方法、终端设备及网络设备 |
KR20210037467A (ko) * | 2019-09-27 | 2021-04-06 | 삼성전자주식회사 | 무선 통신 시스템에서 직접 통신 제공 방법 및 장치 |
WO2022071571A1 (ja) * | 2020-10-01 | 2022-04-07 | 京セラ株式会社 | 通信制御方法、中継ユーザ装置、及び遠隔ユーザ装置 |
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EP3771260A1 (en) | 2021-01-27 |
CN107113741B (zh) | 2020-06-09 |
CN107113741A (zh) | 2017-08-29 |
JP6524254B2 (ja) | 2019-06-05 |
US20180035408A1 (en) | 2018-02-01 |
CN112004261B (zh) | 2022-08-02 |
JP2018512817A (ja) | 2018-05-17 |
EP3270641A1 (en) | 2018-01-17 |
EP3771260B1 (en) | 2022-11-09 |
KR102005999B1 (ko) | 2019-07-31 |
CN112004261A (zh) | 2020-11-27 |
KR20170132299A (ko) | 2017-12-01 |
EP3270641A4 (en) | 2018-01-24 |
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