Method for realizing device-to-device communication relay selection, network control node and user equipment
Provided are a method for realizing device-to-device communication relay selection, a network control node and user equipment. The method includes: a network control node receiving relay-related information sent by user equipment and determining a relay node; and the network control node sending device-to-device communication relay configuration information to the determined relay node. In the technical solution, by sending relay-related information in a network to perform selection or configuration of a relay node, a corresponding solution is provided for a scenario for which relay selection is not provided, and thereby the selection of the relay node is realized.
1. A method for realizing device-to-device communication relay selection, comprising:
sending, by a user equipment, relay-related information used for determining a relay node to a network control node; and
when the user equipment is determined as the relay node, receiving, by the user equipment, device-to-device communication relay configuration information sent by the network control node;
wherein the relay-related information comprises:
an indication that the user equipment supports device-to-device communication relay; and/or
a remaining power level of the user equipment; and/or
a device-to-device communication group to which the user equipment belongs; and/or
a measurement result of measurement performed by the user equipment to a serving cell and/or an adjacent cell;
wherein the method further comprises:
before the user equipment sends the relay-related information to the network control node, receiving, by the user equipment, a relay reception resource pool and/or relay threshold information sent or preconfigured by the network control node through broadcasting;
judging, by the user equipment, whether a relay threshold is satisfied according to the measurement result of measurement performed to the serving cell, and sending the relay-related information to the network control node only when the relay threshold is satisfied,
wherein the relay threshold information comprises: a link quality measurement minimum threshold of the serving cell.
2. The method according to claim 1 , wherein the relay-related information further comprises:
a relay intention/interest/indication of the user equipment; and/or
a mobility state indication of the user equipment.
3. The method according to claim 1 , wherein the device-to-device communication relay configuration information comprises:
configuration information about activation and/or setup, release and/or deactivation or modification of the relay node; and/or
a relay identification, and/or relay type, and/or relay node device-to-device communication transmission and/or reception resource configuration.
4. The method according to claim 1 , wherein the method further comprises:
after the user equipment determined as the relay node receives the device-to-device communication relay configuration information sent by the network control node, executing, by the user equipment, activation and/or setup, release and/or deactivation or modification of a relay function of the determined relay node according to the device-to-device communication relay configuration information.
5. A method for realizing device-to-device communication relay selection, comprising:
receiving, by a network control node, relay-related information sent by the user equipment, and determining a relay node; and
sending, by the network control node, device-to-device communication relay configuration information to the determined relay node;
wherein the relay-related information comprises:
an indication that the user equipment supports device-to-device communication relay; and/or
a remaining power level of the user equipment; and/or
a device-to-device communication group to which the user equipment belongs; and/or
a measurement result of measurement performed by the user equipment to a serving cell and/or an adjacent cell;
wherein the method further comprises:
before the network control node receives the relay-related information sent by the user equipment, sending, by the network control node, a relay reception resource pool and/or relay threshold information,
wherein the relay threshold information comprises: a link quality measurement minimum threshold of a serving cell, and/or a remaining power level threshold and/or a mobility state threshold.
6. The method according to claim 5 , wherein the relay-related information comprises:
a relay intention/interest/indication of the user equipment; and/or
a mobility state indication of the user equipment.
7. The method according to claim 5 , wherein the device-to-device communication relay configuration information comprises:
configuration information about activation and/or setup, release and/or deactivation or modification of the relay node; and/or
a relay identification, and/or relay type and/or relay node device-to-device communication transmission and reception resource configuration.
8. The method according to claim 5 , wherein the method further comprises:
after the network control node sends the device-to-device communication relay configuration information to the user equipment selected as the relay node, executing, by the user equipment, activation and/or setup, release and/or deactivation or modification of a relay function of the determined relay node according to the device-to-device communication relay configuration information.
9. User equipment for realizing device-to-device communication relay selection, comprising a memory storing instructions and a processor, which, when executing the instructions in the memory, is configured to:
send relay-related information used for determining a relay node to a network control node; and
when the user equipment is determined as the relay node, receive device-to-device communication relay configuration information sent by the network control node;
wherein the relay-related information comprises:
an indication that the user equipment supports device-to-device communication relay; and/or
a remaining power level of the user equipment; and/or
a device-to-device communication group to which the user equipment belongs; and/or
a measurement result of measurement performed by the user equipment to a serving cell and/or an adjacent cell;
before the user equipment sends the relay-related information to the network control node, receive a relay reception resource pool and/or relay threshold information sent or preconfigured by the network control node through broadcasting;
judge whether a relay threshold is satisfied according to the measurement result of measurement performed to the serving cell, and sending the relay-related information to the network control node only when the relay threshold is satisfied,
wherein the relay threshold information comprises: a link quality measurement minimum threshold of the serving cell.
10. The user equipment according to claim 9 , wherein the processor is configured to:
receive request information, sent by the network control node, of the relay-related information or relay information, wherein, when the request information of the relay-related information or the relay information is received, the processor sends the relay-related information.
11. The user equipment according to claim 9 , wherein the processor is configured to:
receive a relay reception resource pool and/or relay threshold sent or preconfigured by the network control node through broadcasting, monitor the relay reception resource pool.
12. The user equipment according to claim 9 , wherein the processor is configured to:
execute activation and/or establishment, release and/or deactivation or modification of a relay function of the determined relay node according to the device-to-device communication relay configuration information.
13. A network control node for realizing device-to-device communication relay selection, comprising a memory storing instructions and a processor configured to execute the instructions to:
receive relay-related information sent by the user equipment, and determine a relay node; and
send device-to-device communication relay configuration information to the determined relay node;
wherein the relay-related information comprises:
an indication that the user equipment supports device-to-device communication relay; and/or
a remaining power level of the user equipment; and/or
a device-to-device communication group to which the user equipment belongs; and/or
a measurement result of measurement performed by the user equipment to a serving cell and/or an adjacent cell;
wherein the processor is configured to:
before receiving the relay-related information sent by the user equipment, send or preconfigure a relay reception resource pool and/or a relay threshold to the user equipment through broadcasting, such that the user equipment monitors the relay reception resource pool;
wherein the relay threshold information comprises: a link quality measurement minimum threshold of the serving cell, and/or a remaining power level threshold and/or a mobility state threshold.