D2D Resource Configuration Or Allocation Methods And Apparatuses

Abstract

Device-to-Device (D2D) resource configuration or allocation methods and apparatuses are provided. The D2D resource configuration method includes the following steps. A User Equipment (UE) receives D2D resource configuration information sent by a D2D control node. The UE configures D2D resources according to the D2D resource configuration information. The technical solution implements D2D resource configuration for a D2D UE.

1 . A Device-to-Device (D2D) resource configuration method, comprising:
 receiving, by a User Equipment (UE), D2D resource configuration information sent by a D2D control node; and   configuring, by the UE, D2D resources according to the D2D resource configuration information.   
     
     
         2 . The method as claimed in  claim 1 , wherein before the UE receives the D2D resource configuration information sent by the D2D control node, the method further comprises one of:
 sending, by the UE, a message containing D2D resource configuration request information to the D2D control node;   sending, by the UE, a message containing D2D resource reconfiguration request information to the D2D control node; and   sending, by the UE, a message containing D2D resource release request information to the D2D control node.   
     
     
         3 .- 6 . (canceled) 
     
     
         7 . The method as claimed in  claim 1 , wherein the D2D resource configuration information comprises at least one of:
 D2D configuration setup information corresponding to a resource allocation mode;   D2D configuration modification information corresponding to a resource allocation mode; and   D2D configuration release information corresponding to a resource allocation mode.   
     
     
         8 . The method as claimed in  claim 7 , wherein the resource allocation mode comprises:
 a first resource allocation mode in which at least one D2D resource pool is allocated for a UE; and/or   a second resource allocation mode in which dedicated D2D resource is allocated for a UE.   
     
     
         9 . The method as claimed in  claim 8 , wherein
 the D2D resource configuration information corresponding to the first resource allocation mode comprises one or any combination of:   first resource configuration indication, D2D discovery/communication indication, validity period of first resource configuration, priority of first resource configuration, D2D resource pool information, which corresponds to the first resource allocation mode, of a serving cell, and D2D resource pool information, which corresponds to the first resource allocation mode, of one or more neighbouring cells;   or,   the D2D resource configuration information corresponding to the second resource allocation mode comprises one or any combination of:   a second resource configuration indication, a D2D discovery/communication indication, a validity period of second resource configuration, a priority of second resource configuration, D2D transmission resource information, which corresponds to the second resource allocation mode, of a serving cell, D2D resource pool information, which corresponds to a second resource allocation mode, of one or more neighbouring cells, a D2D Cell Radio Network Temporary Identity, a D2D Semi-Persistent Cell Radio Network Temporary Identity, a D2D semi-persistent scheduling interval, a D2D semi-persistent scheduling frame and/or subframe offset, and a D2D semi-persistent scheduling subframe mode.   
     
     
         10 .- 14 . (canceled) 
     
     
         15 . The method as claimed in  claim 2 , wherein the D2D resource configuration request information comprises one or any combination of:
 a D2D discovery/communication indication, a D2D capability/inclination indication of a UE, a D2D communication group identifier, a UE priority, a bearer priority of a UE, a logic channel priority of a UE, a periodicity/one-shot indication, a duration, a measurement result of resources corresponding to a resource allocation mode, a cellular radio resource management measurement result, and a resource type.   
     
     
         16 .- 20 . (canceled) 
     
     
         21 . The method as claimed in  claim 8 , wherein configuring, by the UE, the D2D resources according to the D2D resource configuration information comprises one of:
 when the D2D resource configuration information contains D2D transmission resource configuration setup and/or modification information corresponding to the first resource allocation mode, for D2D discovery, acquiring, by the UE in a connected state, D2D resources for D2D transmission in a contention-based way according to D2D transmission resource pool information corresponding to the first resource allocation mode; when the UE receives D2D transmission resource pool information corresponding to the first resource allocation mode or when the UE enters an idle state, starting a validity timer for D2D transmission resource configuration corresponding to the first resource allocation mode, before the timer expires, continuing acquiring, by the UE, D2D resources for D2D transmission in the contention-based way according to the D2D transmission resource pool corresponding to the first resource allocation mode, and after the timer expires, releasing, by the UE, D2D transmission resource configuration corresponding to the first resource allocation mode;   when the D2D resource configuration information contains D2D transmission resource configuration setup and/or modification information corresponding to the first resource allocation mode, for D2D communication, acquiring, by the UE, D2D resources for D2D communication in a contention-based way according to a D2D transmission resource pool corresponding to the first resource allocation mode;   when the D2D resource configuration information contains D2D transmission resource configuration setup and/or modification information corresponding to the second resource allocation mode, for D2D discovery, acquiring, by the UE, D2D resources for D2D discovery message transmission according to D2D transmission resources corresponding to the second resource allocation mode;   when the D2D resource configuration information contains D2D transmission resource configuration setup and/or modification information corresponding to the second resource allocation mode, for D2D communication, initiating, by the UE, a D2D scheduling request or a D2D buffer state report, or waiting, by the UE, for the D2D control node to send D2D resource grant or D2D semi-persistent scheduling activation information;   when the D2D resource configuration information contains D2D reception resource configuration setup and/or modification information corresponding to the first resource allocation mode and/or the second resource allocation mode, monitoring, by the UE, a D2D reception resource pool corresponding to the first resource allocation mode and/or the second resource allocation mode;   when the D2D resource configuration information contains D2D reception resource configuration setup and/or modification information corresponding to the first resource allocation mode and/or the second resource allocation mode, for D2D discovery, performing, by the UE in a connected state, D2D transmission by using D2D transmission resources corresponding to the second resource allocation mode; when the UE receives D2D transmission resource pool information corresponding to the first resource allocation mode or when the UE enters an idle state, starting a validity timer for D2D transmission resource configuration corresponding to the first resource allocation mode, before the timer expires, acquiring, by the UE, D2D resources for D2D transmission in a contention-based way according to a D2D transmission resource pool corresponding to the first resource allocation mode, and after the timer expires, releasing, by the UE, D2D transmission resource configuration corresponding to the first resource allocation mode;   when the D2D resource configuration information contains D2D reception resource configuration setup and/or modification information corresponding to the first resource allocation mode and/or the second resource allocation mode, for D2D communication, selecting, by the UE, a high-priority resource configuration mode for D2D communication, wherein when the cell radio resource management measurement result is higher than a preconfigured threshold, D2D transmission resources corresponding to the second resource allocation mode have a high priority, and when the cell radio resource management measurement result is lower than the preconfigured threshold, D2D transmission resources corresponding to the first resource allocation mode have a high priority; and   when the D2D resource configuration information contains D2D resource configuration release information corresponding to the first resource allocation mode and/or the second resource allocation mode, releasing, by the UE, D2D resource configuration information corresponding to the first resource allocation mode and/or the second resource allocation mode.   
     
     
         22 . A Device-to-Device (D2D) resource allocation method, comprising:
 sending, by a D2D control node, D2D resource configuration information to a User Equipment (UE).   
     
     
         23 . (canceled) 
     
     
         24 . The method as claimed in  claim 22 , wherein
 the D2D resource configuration information comprises at least one of:   D2D configuration setup information corresponding to a resource allocation mode;   D2D configuration modification information corresponding to a resource allocation mode; and   D2D configuration release information corresponding to a resource allocation mode; or,   before the D2D control node sends the D2D resource configuration information to the UE, the method further comprises one of:   receiving, by the D2D control node, a message containing D2D resource configuration request information from the UE;   receiving, by the D2D control node, a message containing D2D resource reconfiguration request information from the UE; and   receiving, by the D2D control node, a message containing D2D resource release request information from the UE.   
     
     
         25 . The method as claimed in  claim 24 , wherein the resource allocation mode comprises:
 a first resource allocation mode in which at least one D2D resource pool is allocated for a UE; and/or   a second resource allocation mode in which dedicated D2D resource is allocated for a UE.   
     
     
         26 . The method as claimed in  claim 25 , wherein
 the D2D resource configuration information corresponding to the first resource allocation mode comprises one or any combination of:   first resource configuration indication, D2D discovery/communication indication, validity period of first resource configuration, priority of first resource configuration, D2D resource pool information, which corresponds to the first resource allocation mode, of a serving cell, and D2D resource pool information, which corresponds to the first resource allocation mode, of one or more neighbouring cells;   or,   the D2D resource configuration information corresponding to the second resource allocation mode comprises one or any combination of:   a second resource configuration indication, a D2D discovery/communication indication, a validity period of second resource configuration, a priority of second resource configuration, D2D transmission resource information, which corresponds to the second resource allocation mode, of a serving cell, D2D resource pool information, which corresponds to a second resource allocation mode, of one or more neighbouring cells, a D2D Cell Radio Network Temporary Identity, a D2D Semi-Persistent Cell Radio Network Temporary Identity, a D2D semi-persistent scheduling interval, a D2D semi-persistent scheduling frame and/or subframe offset, and a D2D semi-persistent scheduling subframe mode.   
     
     
         27 .- 34 . (canceled) 
     
     
         35 . The method as claimed in  claim 24 , wherein
 before the D2D control node sends the D2D configuration release information to the UE, the method further comprises at least one of:   receiving, by the D2D control node, a message containing D2D resource release information from the UE;   when a D2D resource pool, which corresponds to a second resource allocation mode, of the D2D control node is updated, determining that affected D2D resources allocated by to UE need to be released;   determining, by the D2D control node, that capability and/or authorization information of the UE changes, and configured D2D resources are not allowed to be used anymore; and   when resources, which correspond to a second resource allocation mode, of a low-priority UE are pre-empted, determining, by the D2D control node, that the D2D resources corresponding to the second resource allocation mode allocated for the low-priority UE need to be released;   or,   before the D2D control node sends the D2D configuration modification information to the UE, the method further comprises at least one of:   receiving, by the D2D control node, a message containing D2D resource configuration/reconfiguration request information from the UE; and   when a D2D resource pool, which corresponds to the first resource allocation mode and/or the second resource allocation mode, of the D2D control node is updated, determining that affected D2D resources allocated to the UE need to be modified.   
     
     
         36 . (canceled) 
     
     
         37 . The method as claimed in  claim 22 , wherein sending, by the D2D control node, the D2D resource configuration information to the UE comprises:
 judging, by the D2D control node, whether to configure D2D resources for the UE; and   when the D2D control node judges to configure the D2D resources for the UE, configuring the D2D resources for the UE, and sending D2D resource configuration information of the configured D2D resources to the UE.   
     
     
         38 . (canceled) 
     
     
         39 . (canceled) 
     
     
         40 . (canceled) 
     
     
         41 . The method as claimed in  claim 37 , wherein
 judging, by the D2D control node, whether to configure the D2D resources for the UE comprises:   judging, by the D2D control node, whether to configure the D2D resources for the UE according to at least one of a D2D resource load, a D2D authorization indication of the UE, a D2D capability/inclination indication of the UE, a UE priority, a bearer priority of the UE, and a logic channel priority of the UE;   or,   the D2D control node judges, according to a pre-acquired D2D authorization indication of the UE, whether the UE passes D2D resource configuration authorization and which type of D2D resources is authorized to be used by the UE;   or,   the D2D control node determines, according to a pre-acquired D2D capability/inclination indication of the UE, which type of D2D resources is to be used by the UE;   or,   the D2D control node configures the D2D resources for the UE according to a D2D resource load, wherein when D2D resources corresponding to a second resource allocation mode do not have enough available resources, the D2D control node configures D2D resources corresponding to a first resource allocation mode for the UE, wherein the first resource allocation mode is a resource allocation mode in which at least one D2D resource pool is allocated for the UE, and the second resource allocation mode is a resource allocation mode in which dedicated D2D resource is allocated for the UE;   or,   the D2D control node configures the D2D resources for the UE according to a D2D resource load, wherein when D2D resources corresponding to a second resource allocation mode do not have enough available resources, it is judged whether a priority of the UE and/or a bearer priority of the UE satisfy/satisfies predetermined conditions; when the predetermined conditions are satisfied, the D2D control node pre-empts D2D resources, which correspond to a second resource allocation mode, of a low-priority UE and/or a low-bearer-priority UE; and   when the predetermined conditions are not satisfied, D2D resources corresponding to a first resource allocation mode are configured for the UE, wherein the first resource allocation mode is a resource allocation mode in which at least one D2D resource pool is allocated for the UE, and the second resource allocation mode is a resource allocation mode in which dedicated D2D resource is allocated for the UE.   
     
     
         42 .- 46 . (canceled) 
     
     
         47 . A Device-to-Device (D2D) resource configuration apparatus, comprising:
 a receiving module, arranged to receive D2D resource configuration information sent by a D2D control node; and   a configuration module, arranged to configure D2D resources according to the D2D resource configuration information.   
     
     
         48 . The apparatus as claimed in  claim 47 ,
 further comprising: a first sending module, arranged to send one of: a message containing D2D resource configuration request information, a message containing D2D resource reconfiguration request information, and a message containing D2D resource release request information;   or,   wherein the D2D resource configuration information comprises at least one of:   D2D configuration setup information corresponding to a resource allocation mode;   D2D configuration modification information corresponding to a resource allocation mode; and   D2D configuration release information corresponding to a resource allocation mode.   
     
     
         49 . (canceled) 
     
     
         50 . (canceled) 
     
     
         51 . (canceled) 
     
     
         52 . The apparatus as claimed in claim  5148 , wherein
 the resource allocation mode comprises:   a first resource allocation mode in which at least one D2D resource pool is allocated for a UE; and/or   a second resource allocation mode in which dedicated D2D resource is allocated for a UE;   or,   the D2D resource configuration request information comprises one or any combination of:   a D2D discovery/communication indication, a D2D capability/inclination indication of a UE, a D2D communication group identifier, a UE priority, a bearer priority of a UE, a logic channel priority of a UE, a periodicity/one-shot indication, a duration, a measurement result of resources corresponding to a resource allocation mode, a cellular radio resource management measurement result, and a resource type.   
     
     
         53 . The apparatus as claimed in  claim 52 , wherein
 the D2D resource configuration information corresponding to the first resource allocation mode comprises one or any combination of:   first resource configuration indication, D2D discovery/communication indication, validity period of first resource configuration, priority of first resource configuration, D2D resource pool information, which corresponds to the first resource allocation mode, of a serving cell, and D2D resource pool information, which corresponds to the first resource allocation mode, of one or more neighbouring cells;   or,   the D2D resource configuration information corresponding to the second resource allocation mode comprises one or any combination of:   a second resource configuration indication, a D2D discovery/communication indication, a validity period of second resource configuration, a priority of second resource configuration, D2D transmission resource information, which corresponds to the second resource allocation mode, of a serving cell, D2D resource pool information, which corresponds to a second resource allocation mode, of one or more neighbouring cells, a D2D Cell Radio Network Temporary Identity, a D2D Semi-Persistent Cell Radio Network Temporary Identity, a D2D semi-persistent scheduling interval, a D2D semi-persistent scheduling frame and/or subframe offset, and a D2D semi-persistent scheduling subframe mode.   
     
     
         54 .- 58 . (canceled) 
     
     
         59 . The apparatus as claimed in  claim 52 , wherein the configuration module is arranged to perform one of the following processing:
 when the D2D resource configuration information contains D2D transmission resource configuration setup and/or modification information corresponding to the first resource allocation mode, for D2D discovery, the UE in a connected state acquires D2D resources for D2D transmission in a contention-based way according to D2D transmission resource pool information corresponding to the first resource allocation mode; when receiving D2D transmission resource pool information corresponding to the first resource allocation mode or when entering an idle state, the UE starts a validity timer for D2D transmission resource configuration corresponding to the first resource allocation mode, before the timer expires, the UE continues acquiring D2D resources for D2D transmission in the contention-based way according to the D2D transmission resource pool corresponding to the first resource allocation mode, and after the timer expires, the UE releases D2D transmission resource configuration corresponding to the first resource allocation mode;   when the D2D resource configuration information contains D2D transmission resource configuration setup and/or modification information corresponding to the first resource allocation mode, for D2D communication, the UE acquires D2D resources for D2D communication in a contention-based way according to a D2D transmission resource pool corresponding to the first resource allocation mode;   when the D2D resource configuration information contains D2D transmission resource configuration setup and/or modification information corresponding to the second resource allocation mode, for D2D discovery, the UE acquires D2D resources for D2D discovery message transmission according to D2D transmission resources corresponding to the second resource allocation mode;   when the D2D resource configuration information contains D2D transmission resource configuration setup and/or modification information corresponding to the second resource allocation mode, for D2D communication, the UE initiates a D2D scheduling request or a D2D buffer state report, or the UE waits for the D2D control node to send D2D resource grant or D2D semi-persistent scheduling activation information;   when the D2D resource configuration information contains D2D reception resource configuration setup and/or modification information corresponding to the first resource allocation mode and/or the second resource allocation mode, the UE monitors a D2D reception resource pool corresponding to the first resource allocation mode and/or the second resource allocation mode;   when the D2D resource configuration information contains D2D reception resource configuration setup and/or modification information corresponding to the first resource allocation mode and/or the second resource allocation mode, for D2D discovery, the UE in a connected state performs D2D transmission by using D2D transmission resources corresponding to the second resource allocation mode; when receiving D2D transmission resource pool information corresponding to the first resource allocation mode or when entering an idle state, the UE starts a validity timer for D2D transmission resource configuration corresponding to the first resource allocation mode, before the timer expires, the UE acquires D2D resources for D2D transmission in a contention-based way according to a D2D transmission resource pool corresponding to the first resource allocation mode, and after the timer expires, the UE releases D2D transmission resource configuration corresponding to the first resource allocation mode;   when the D2D resource configuration information contains D2D reception resource configuration setup and/or modification information corresponding to the first resource allocation mode and/or the second resource allocation mode, for D2D communication, the UE selects a high-priority resource configuration mode for D2D communication, wherein when the cell radio resource management measurement result is higher than a preconfigured threshold, D2D transmission resources corresponding to the second resource allocation mode have a high priority, and when the cell radio resource management measurement result is lower than the preconfigured threshold, D2D transmission resources corresponding to the first resource allocation mode have a high priority; and   when the D2D resource configuration information contains D2D resource configuration release information corresponding to the first resource allocation mode and/or the second resource allocation mode, the UE releases D2D resource configuration information corresponding to the first resource allocation mode and/or the second resource allocation mode.   
     
     
         60 . A Device-to-Device (D2D) resource allocation apparatus, located on a D2D control node, the apparatus comprising:
 a sending module, arranged to send D2D resource configuration information to a User Equipment (UE).   
     
     
         61 .- 76 . (canceled)