CN105430633A - Method and equipment for determining relay node - Google Patents
Method and equipment for determining relay node Download PDFInfo
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- CN105430633A CN105430633A CN201410419802.6A CN201410419802A CN105430633A CN 105430633 A CN105430633 A CN 105430633A CN 201410419802 A CN201410419802 A CN 201410419802A CN 105430633 A CN105430633 A CN 105430633A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/12—Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a method and equipment for determining a relay node, wherein the method and the equipment are used for determining the relay node between source user equipment (UE) and a target node, thereby ensuring high data transmission performance between the source UE and the target node. The method comprises the steps of receiving a finding signal by the source UE, wherein the finding signal is transmitted by at least one candidate relay node and carries channel quality information between the candidate relay node and the target node; and selecting one relay node from the at least one candidate relay node as the relay node between the source UE and the target node by the source UE according to each finding signal and the channel quality information which is carried in the finding signal.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method and apparatus determining via node.
Background technology
Device-to-device (Device-to-Device, D2D) communicate, i.e. terminal direct connection technology, refer to that contiguous terminal can carry out transfer of data by direct connected link in short range, do not need to be forwarded by Centroid (i.e. base station), do not need to carry out information transmission by traditional cellular link yet.
Long Term Evolution (LTE) D2D technology refers to that being operated in LTE authorizes the D2D that frequency range controls by LTE network to find and communication process.Can give full play on the one hand the advantage of D2D technology, the control of LTE network simultaneously also can overcome some problems of traditional D2D technology, such as, disturb uncontrollable etc.The introducing of LTED2D characteristic will make LTE technology from the simple wireless mobile cellular communication technology towards the direction evolution of " general interconnection technique " (UniversalConnectivityTechnology).
LTED2D technology comprises D2D and finds to communicate with D2D two aspects.Wherein D2D finds to refer to that a D2DUE removes other D2DUE near discovery.Discovery between D2DUE, by finding that signal realizes, finds that signal can carry identifying information, such as facility information, application message, COS etc.D2D communication then refers to the mode of directly being carried out transfer of data between D2DUE by the communication connection of device-to-device, and the basis that D2D communication can find at D2D is carried out.
D2D find and the communication technology basis on, UE can carry out transfer of data by the mode of relaying (Relay) and network or other UE.Mainly contain following two kinds of relay scenes:
The first, UE is called terminal-network relaying (UE-NetworkRelay) by RelayUE with the mode that network carries out communicating.As shown in Figure 1, the UE2 outside the network coverage, in order to communicate with network, using UE1 as Relay node, forwards the uplink and downlink signals of oneself by UE1.Wherein, the communication between UE1 and UE2 is realized by D2D communication, is realized between UE1 and network by cellular communication.
The second, UE is called UE-UERelay by RelayUE with the mode that object UE carries out communicating, as shown in Figure 2.UE2, in order to communicate with the UE4 not in oneself communication range, forwards the information of oneself by UE1, between UE1 and UE2, UE1 and UE4 be all wherein to be communicated by D2D with realizing transfer of data.
In above two kinds of Relay scenes, UE needs in source find can for oneself carrying out the RelayUE of data relay, and this UE can transmit data with source UE and destination node simultaneously.
Wherein, source UE finds that the process of RelayUE realizes by D2D discovery procedure, specifically has following two kinds of modes:
1) RelayUE broadcasts the discovery signal of self, and wherein carry self information as Relay node, source UE judges whether the signal selecting this RelayUE to forward oneself after receiving this discovery signal.
2) source UE sends request discovery signal, the information of this source UE and destination node is comprised in signal, UE near the UE of source is after receiving this request discovery signal, judging whether can as the RelayUE between this source UE and destination node, if can, return response and find signal, source UE judges whether to select this RelayUE forward signal after receiving this response discovery signal.
If there is multiple RelayUE meeting relaying requirement between source UE and destination node, then how source UE selects optimum from multiple RelayUE, to ensure the data transmission performance between source UE and object UE, is the problem needing at present to solve.
Summary of the invention
The invention provides a kind of method and apparatus determining via node, in order to determine the via node between source UE and destination node, ensure the data transmission performance between source UE and destination node.
The concrete technical scheme that the embodiment of the present invention provides is as follows:
First aspect, provides a kind of method determining via node, comprising:
Source user equipment UE receives the discovery signal that at least one candidate relay node sends, and carries the channel quality information between described candidate relay node and destination node in described discovery signal;
Described source UE, according to the described channel quality information carried in each described discovery signal and each described discovery signal, selects one as the via node of described source UE and described destination node from least one candidate relay node described.
Preferably, described source UE receives the discovery signal that at least one candidate relay node sends, and comprising:
Described source UE detects the discovery signal that at least one UE sends, and according to the relay capabilities indication information carried in described discovery signal, determines whether described UE is candidate relay node.
Preferably, described source UE, according to the described channel quality information carried in each described discovery signal and each described discovery signal, selects one as the via node of described source UE and described destination node, comprising from least one candidate relay node described:
Described source UE obtains the reception quality information of the discovery signal of each described candidate relay node respectively, according to the described channel quality information carried in the reception quality information of the discovery signal of described candidate relay node and the discovery signal of described candidate relay node, from least one candidate relay node described, select one as the via node of described source UE and described destination node.
Preferably, described destination node is the UE during device-to-device D2D communicates, or is the network equipment.
Preferably, described source UE also comprises before receiving the discovery signal of candidate relay node transmission:
Described source UE sends request discovery signal, and described request finds to carry the information of described source UE and the information of described destination node in signal.
Preferably, described channel quality information comprises: in the Reference Signal Received Power RSRP that received power value when channel quality indicator (CQI), described candidate relay node receive the signal of described destination node, the Signal to Interference plus Noise Ratio SINR estimated value between described candidate relay node and described destination node, described candidate relay node obtain the signal measurement of described destination node any one or combine.
Preferably, described source UE selects one as after the via node of described source UE and described destination node from least one candidate relay node described, and described method also comprises:
Set up D2D between described source UE and described via node to communicate to connect;
Described source UE determines according to the channel quality information carried in the discovery signal of described via node the modulation coding mode that D2D communicates.
Second aspect, provides a kind of method determining via node, comprising:
User equipment (UE) is determined self can as the candidate relay node between source UE and destination node;
Described UE measures the channel quality information between self and described destination node and generates and finds signal, carries described channel quality information in described discovery signal;
Described UE sends described discovery signal to described source UE, is determined whether to select described UE as via node according to described discovery signal by described source UE.
Preferably, described source UE is other UE any in described UE communication range, or for sending request the UE finding signal to described UE.
Preferably, described destination node is the UE during device-to-device D2D communicates, or is the network equipment.
Preferably, described UE determines self can as the candidate relay node between source UE and destination node, comprises one of following or combination:
Described UE can as the candidate relay node of source UE and network-side communication by network side configuration;
Described UE can as the candidate relay node communicated between UE by network side mandate;
Described UE side is preconfigured can as the candidate relay node communicated between UE;
Described UE can find described source UE and described destination node simultaneously;
Channel quality between described UE and described source UE and the channel quality between described UE and described destination node meet pre-conditioned.
Preferably, described UE determines self can as before the candidate relay node between source UE and destination node, and described method also comprises:
Described UE receives the request discovery signal that described source UE sends, and described request finds to carry the information of described source UE and the information of described destination node in signal.
Preferably, described discovery signal also comprises the facility information of described UE and/or the relay capabilities indication information of described UE.
Preferably, described UE measures the channel quality information between self and described destination node, comprising:
The synchronizing signal that described UE sends described destination node, reference signal or discovery signal are measured, and obtain described channel quality information.
Preferably, described channel quality information comprises: in the Reference Signal Received Power RSRP that received power value when channel quality indicator (CQI), described UE receive the signal of described destination node, the Signal to Interference plus Noise Ratio SINR estimated value between described UE and described destination node, described UE obtain the signal measurement of described destination node any one or combine.
The third aspect, provides a kind of user equipment (UE), comprising:
Receiving element, for receiving the discovery signal that at least one candidate relay node sends, carries the channel quality information between described candidate relay node and destination node in described discovery signal;
Processing unit, for the described channel quality information carried in each described discovery signal that receives according to described receiving element and each described discovery signal, from least one candidate relay node described, select one as the via node of described source UE and described destination node.
Preferably, described receiving element specifically for:
The discovery signal that at least one UE sends detected, according to the relay capabilities indication information carried in described discovery signal, determine whether described UE is candidate relay node.
Preferably, described processing unit specifically for:
Obtain the reception quality information of the discovery signal of each described candidate relay node respectively, according to the described channel quality information carried in the reception quality information of the discovery signal of described candidate relay node and the discovery signal of described candidate relay node, from least one candidate relay node described, select one as the via node of described source UE and described destination node.
Preferably, described destination node is the UE during device-to-device D2D communicates, or is the network equipment.
Preferably, also comprise transmitting element, for:
Before receiving the discovery signal of candidate relay node transmission, send request discovery signal, described request finds to carry the information of described source UE and the information of described destination node in signal.
Preferably, described channel quality information comprises: in the Reference Signal Received Power RSRP that received power value when channel quality indicator (CQI), described candidate relay node receive the signal of described destination node, the Signal to Interference plus Noise Ratio SINR estimated value between described candidate relay node and described destination node, described candidate relay node obtain the signal measurement of described destination node any one or combine.
Preferably, described processing unit also for:
From at least one candidate relay node described, select one as after the via node of described source UE and described destination node, and set up D2D between described via node and communicate to connect;
The modulation coding mode that D2D communicates is determined according to the channel quality information carried in the discovery signal of described via node.
Fourth aspect, provides a kind of user equipment (UE), comprising:
Determining unit, for determining that described UE can as the candidate relay node between source UE and destination node;
Generation unit, also generates for the channel quality information measured between described UE and described destination node and finds signal, carry described channel quality information in described discovery signal;
Transmitting element, for sending described discovery signal to described source UE, is determined whether to select described UE as via node according to described discovery signal by described source UE.
Preferably, described source UE is other UE any in described UE communication range, or for sending request the UE finding signal to described UE.
Preferably, described destination node is the UE during device-to-device D2D communicates, or is the network equipment.
Preferably, described determining unit specifically for:
Described UE can as the candidate relay node between source UE and destination node to adopt one of following or combination to determine:
Described UE can as the candidate relay node of source UE and network-side communication by network side configuration;
Described UE can as the candidate relay node communicated between UE by network side mandate;
Described UE side is preconfigured can as the candidate relay node communicated between UE;
Described UE can find described source UE and described destination node simultaneously;
Channel quality between described UE and described source UE and the channel quality between described UE and described destination node meet pre-conditioned.
Preferably, also comprise receiving element, for:
Described determining unit determine described UE can as the candidate relay node between source UE and destination node before, receive the request discovery signal that described source UE sends, described request finds to carry the information of described source UE and the information of described destination node in signal.
Preferably, described discovery signal also comprises the facility information of described UE and/or the relay capabilities indication information of described UE.
Preferably, described generation unit specifically for:
Synchronizing signal, reference signal or discovery signal that described destination node sends are measured, obtains described channel quality information.
Preferably, described channel quality information comprises: in the Reference Signal Received Power RSRP that received power value when channel quality indicator (CQI), described UE receive the signal of described destination node, the Signal to Interference plus Noise Ratio SINR estimated value between described UE and described destination node, described UE obtain the signal measurement of described destination node any one or combine.
Based on technique scheme, in the embodiment of the present invention, the channel quality information between this candidate relay node and destination node that the discovery signal that source UE sends according to each candidate relay node and finding carries in signal, via node is selected from multiple candidate relay node, thus continue in selecting node time consider the channel quality information of via node and destination node, ensure that the data transmission performance between source UE and destination node.
Accompanying drawing explanation
Fig. 1 is existing UE by the scene schematic diagram of relaying and network service;
Fig. 2 is the scene schematic diagram that existing UE is communicated with other UE by relaying;
Fig. 3 is the method flow schematic diagram that in the embodiment of the present invention, source UE determines via node;
Fig. 4 is the method flow schematic diagram of candidate relay node determination via node in the embodiment of the present invention;
Fig. 5 is UE structural representation in the embodiment of the present invention;
Fig. 6 is another UE structural representation in the embodiment of the present invention;
Fig. 7 is another UE structural representation in the embodiment of the present invention;
Fig. 8 is another UE structural representation in the embodiment of the present invention.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
In the embodiment of the present invention, as shown in Figure 3, source UE determines that the detailed process of via node is as follows:
Step 301: source UE receives the discovery signal that at least one candidate relay node sends, and carries the channel quality information between this candidate relay node and destination node in this discovery signal.
Wherein, candidate relay node is other UE any in the UE communication range of source, also can be the UE receiving the request discovery signal that source UE sends.
Wherein, destination node can be the UE in D2D communication, also can be the network equipment.
Preferably, before source UE receives the discovery signal of at least one candidate relay node transmission, source UE sends request discovery signal, and this request finds to carry the information of active UE and the information of destination node in signal.
Particularly, if destination node is the network equipment, then candidate relay node can be determined by following several any one or multiple combination determined in mode:
Candidate relay node be network side configuration can as the UE of the via node of the UE outside network coverage and network device communications; Or candidate relay node is the UE being positioned at network coverage, can finding source UE simultaneously; Or, the channel quality between candidate relay node and described source UE, and the channel quality between candidate relay node and the network equipment meets pre-conditioned.
Particularly, if destination node is the UE in D2D communication, then candidate relay node can be determined by following several any one or multiple combination determined in mode:
Candidate relay node be network side mandate can as the UE of the via node communicated between UE; Or, candidate relay node be pre-configured can as the UE of the via node communicated between UE; Or candidate relay node is the UE that can find source UE and destination node simultaneously; Or the channel quality between candidate relay node and described source UE and the channel quality between candidate relay node and described destination node meet pre-conditioned.
Preferably, candidate relay node broadcast transmission can find signal; Also can be after the request receiving source UE finds signal, return response signal to this source UE, this response signal be for finding signal, and wherein, request finds to carry the information of source UE and the information of destination node in signal.
Preferably, in the discovery signal that candidate relay node sends, also carry self information, such as, self facility information, mark, the relay capabilities indication information etc. of self of D2D communication of self.
Preferably, channel quality information includes but not limited to: channel quality instruction (ChannelQualityIndication, the received power value during signal of CQI), candidate relay node receiving target node, the Signal to Interference plus Noise Ratio (SignaltoInterferenceandNoiseRatio between candidate relay node and destination node, SINR) any one or combination in estimated value, candidate relay node Reference Signal Received Power (ReferenceSignalReceivingPower, RSRP) that the signal measurement of destination node is obtained.
Particularly, candidate relay node sends destination node synchronizing signal, reference signal or discovery signal carry out measurement and obtain channel quality information.Such as, if destination node is the network equipment, channel quality information is measure the RSRP obtained.If destination node is UE, channel quality information is the synchronizing signal of candidate relay node measurement target node transmission or finds the received power that signal obtains.
In concrete enforcement, source UE not only receives the discovery signal that candidate relay node sends, and also receive the discovery signal that other UE sends, source UE needs to distinguish this discovery signal and whether comes from candidate relay node.Preferably, source UE detects the discovery signal that at least one UE sends, and according to the relay capabilities indication information carried in this discovery signal, determines whether this UE is candidate relay node.Wherein, relay capabilities indication information is the information of the relay capabilities being used to indicate UE.
Particularly, if when the relay capabilities indication information carried in the discovery signal of UE transmission indicates this UE to possess relay capabilities, this UE is candidate relay node; If when in the discovery signal that sends of UE, the relay capabilities indication information that carries indicates this UE not possess relay capabilities, this UE can not alternatively via node.
Step 302: source UE, according to the channel quality information carried in each discovery signal and each discovery signal, selects one as the via node of source UE and destination node from this at least one candidate relay node.
Preferably, source UE obtains the reception quality information of the discovery signal of each candidate relay node respectively, according to the channel quality information carried in the reception quality information of the discovery signal of this candidate relay node and the discovery signal of this candidate relay node, from least one candidate relay node, select one as the via node of source UE and destination node.Particularly, reception quality information can be received power or received signal to noise ratio.
Particularly, source UE obtains received power or (received signal to noise ratio) of the discovery signal of each candidate relay node respectively, according to the channel quality information carried in the received power (or received signal to noise ratio) of the discovery signal of this candidate relay node and the discovery signal of this candidate relay node, judge whether to select this candidate relay node as the via node of described source UE and described destination node.
Such as, source UE according to the channel quality information carried in the discovery signal of the received signal to noise ratio of the discovery signal of this candidate relay node and this candidate relay node, can calculate the efficiency of transmission of this candidate relay node; Select the maximum in the efficiency of transmission of each candidate relay node, candidate relay node corresponding for this maximum is defined as via node.
In a specific embodiment, the computing formula of efficiency of transmission can be expressed as:
C
i＝Alog
2(1+P
1)+Blog
2(1+P
2)
Wherein, P
1represent the received signal to noise ratio finding signal, P
2the signal to noise ratio that the channel quality information carried in expression discovery signal is corresponding, A represents the first default weighted value, and B represents the second default weighted value, C
irepresent efficiency of transmission.
In addition, source UE can also judge based on pre-configured threshold value, only has certain measurement parameter, such as find that the channel quality information carried in signal is greater than the first pre-configured threshold value and/or finds that the quality of reception (received power, received signal to noise ratio) of signal is greater than the second pre-configured threshold value and/or efficiency of transmission when being greater than the 3rd pre-configured threshold value, corresponding candidate relay node just can as via node.
Preferably, after determining via node, source UE can also carry out link circuit self-adapting adjustment by the channel quality information corresponding according to this via node, such as, selects the size of the packet of transmission according to channel quality information.Particularly, source UE selects after via node, and sets up D2D between this via node and communicate to connect; Source UE determines according to the channel quality information carried in the discovery signal of this via node the modulation coding mode that D2D communicates.
In the embodiment of the present invention, source UE, after determining via node, can establish a communications link with this via node, by this via node to destination node forwarding information.
Based on same inventive concept, in the embodiment of the present invention, as shown in Figure 4, take candidate relay node as executive agent, determine that the detailed process of via node is as follows:
Step 401:UE determines self can as the candidate relay node between source UE and destination node.
Wherein, source UE is other UE any in this UE communication range, or for sending request the UE finding signal to this UE.
Wherein, destination node can be the UE in D2D communication, also can be the network equipment.
Preferably, UE determines self can as the candidate relay node between source UE and destination node, comprises one of following or combination:
This UE can as the candidate relay node of source UE and network-side communication by network side configuration;
This UE can as the candidate relay node communicated between UE by network side mandate;
This UE side is preconfigured can as the candidate relay node communicated between UE;
This UE can find source UE and destination node simultaneously;
Channel quality between this UE and source UE and the channel quality between this UE and destination node meet pre-conditioned.
Preferably, UE determines self can as before the candidate relay node between source UE and destination node, and receive the request discovery signal that source UE sends, this request finds to carry the information of active UE and the information of destination node in signal.
Step 402:UE measures the channel quality information between self and this destination node and generates and finds signal, carries this channel quality information in this discovery signal.
Preferably, the facility information of UE and/or the relay capabilities indication information of UE is also carried in this discovery signal.
Preferably, the synchronizing signal that UE sends destination node, reference signal or discovery signal are measured, and obtain channel quality information.
Particularly, if destination node is the network equipment, any one or multiple combination during this UE meets the following conditions:
This UE be network side configuration can as the UE of the via node of the UE outside network coverage and network device communications; Or this UE is the UE being positioned at network coverage, can finding source UE simultaneously; Or, the channel quality between this UE and source UE, and the channel quality between this UE and network equipment meets pre-conditioned.
Particularly, if destination node is the UE in D2D communication, then this UE meet the following conditions in any one or multiple combination:
This UE be network side mandate can as the UE of the via node communicated between UE; Or, this UE be pre-configured can as the UE of the via node communicated between UE; Or this UE can find source UE and destination node simultaneously; Or the channel quality between this UE and source UE and the channel quality between this UE and destination node meet pre-conditioned.
Preferably, channel quality information includes but not limited to: in the RSRP that received power value when CQI, described UE receive the signal of described destination node, the SINR estimated value between described UE and described destination node, described UE obtain the signal measurement of described destination node any one or combine.
Particularly, this UE sends destination node synchronizing signal, reference signal or discovery signal carry out measurement and obtain channel quality information.Such as, if destination node is the network equipment, channel quality information is measure the RSRP obtained.If destination node is UE, channel quality information is the synchronizing signal of this UE measurement target node transmission or finds the received power that signal obtains.
Step 403:UE sends and finds that signal is to source UE, is determined whether to select this UE as via node according to this discovery signal by source UE.
Preferably, UE broadcast transmission can find signal; Also can be after the request receiving source UE finds signal, return response signal to this source UE, this response signal be for finding signal, and wherein, request finds to carry the information of source UE and the information of destination node in signal.
Preferably, find the information also carrying this UE self in signal, such as, the mark etc. of the facility information of this UE, the D2D communication of this UE.
Preferably, source UE obtains the reception quality information (received power or received signal to noise ratio) of the discovery signal of each UE respectively, according to the channel quality information carried in the reception quality information of the discovery signal of this UE and the discovery signal of this UE, judge whether to select this UE as the via node of source UE and destination node.
Such as, source UE according to the channel quality information carried in the discovery signal of the received signal to noise ratio of the discovery signal of this candidate relay node and this candidate relay node, can calculate the efficiency of transmission of this candidate relay node; Select the maximum in the efficiency of transmission of each candidate relay node, candidate relay node corresponding for this maximum is defined as via node.
In addition, source UE can also judge based on pre-configured threshold value, only has certain measurement parameter, such as find that the channel quality information carried in signal is greater than the first pre-configured threshold value and/or finds that the quality of reception (received power, received signal to noise ratio) of signal is greater than the second pre-configured threshold value and/or efficiency of transmission when being greater than the 3rd pre-configured threshold value, corresponding candidate relay node just can as via node.
Below by way of two specific embodiments to the discovery in the embodiment of the present invention, determine that the detailed process of via node is described in detail.
In first specific embodiment, in scene as shown in Figure 1, suppose that UE2 is source UE, this UE2 is not in network coverage but this UE2 wishes to communicate with the network equipment, UE1 and UE3 is all in network coverage, also in the communication range of UE2, and UE1 and UE3 is network side mandate is candidate relay node.
Wherein, UE1 and UE3 respectively broadcast transmission finds signal, carry the facility information (comprising the D2D mark for D2D transmission) of self in this discovery signal and the relay capabilities indication information of UE and relay between networks can be carried out, and carrying the RSRP value that the signal sent network side carries out measurement acquisition.
UE2 receives the discovery signal that UE1 and UE3 sends respectively, equipment information, relay capabilities indication information and RSRP value from each discovery signal, suppose in this specific embodiment that the RSRP value of carrying in the discovery signal of UE1 is expressed as RSRP1, the RSRP value of carrying in the discovery signal of UE3 is expressed as RSRP3.
UE2 measures the received power of the discovery signal of UE1 and UE3 respectively, suppose that the received power of the discovery signal of UE1 is RP1, the received power of the discovery signal of UE3 be RP3, UE2 according to the RSRP value selection UE carried in the received power of each discovery signal and each discovery signal as via node.
Particularly, calculate the efficiency of transmission of UE1 and UE3 respectively, select UE that efficiency of transmission is the highest as via node.The computing formula of efficiency of transmission is:
C
i＝Alog
2(1+RP
i)+Blog
2(1+RSRP
i)
Wherein, A represents the first default weighted value, and B represents the second default weighted value, C
irepresent the efficiency of transmission of UEi, RP
irepresent the received power of UEi, RSRP
irepresent the RSRP value of carrying in the discovery signal of UEi.
Suppose that UE2 selects UE1 as via node, then UE2 sends request and establishes a communications link with UE1, and UE2 is by the communication connection between UE1, and the connection between UE1 and the network equipment, realizes the transfer of data with the network equipment.
In second specific embodiment, in application scenarios as shown in Figure 2, suppose UE1, UE2, UE3 and UE4 all outside network coverage, UE2 is source UE, wish to communicate with object UE 4, but UE4 is not in the communication range of UE2, UE1 and UE3 all in the communication range of UE2 and UE4, and all authorized can alternatively via node.
UE2 sends request discovery signal, this request finds to carry the information of UE2 and the information of destination node UE4 in signal, the information of UE2 comprises the facility information of UE2, the D2D mark, application message etc. for D2D transmission, D2D mark, application message etc. that the information of UE4 comprises the facility information of UE4, transmits for D2D.
UE1 and UE3 receives the request discovery signal that UE2 sends separately, knows the information of UE2 and UE4.
UE1 and UE3 finds UE4 each via D2D discovery procedure, because can find UE2 and UE4 simultaneously, UE1 and UE3 determines can as the candidate relay node of UE2 and UE4.
The request that UE1 and UE3 responds UE2 separately finds signal, signal is found to UE2 response, carry self facility information (comprising the D2D mark for D2D transmission), the facility information of UE2 and the channel quality information between self and UE4 in this discovery signal, this channel quality information measures synchronizing signal or the D2D discovery signal acquisition of UE4 transmission by UE1 or UE3.
UE2 receives the discovery signal that UE1 and UE3 sends respectively, and from the discovery signal of UE1, obtain the facility information (comprising the D2D mark for D2D transmission) of UE1 and the channel quality information of UE1 and UE4, from the discovery signal of UE3, obtain the facility information (comprising the D2D mark for D2D transmission) of UE3 and the channel quality information of UE3 and UE4.In this specific embodiment, suppose that the channel quality information carried in the discovery signal of UE1 is expressed as CQ1, the channel quality information carried in the discovery signal of UE3 is expressed as CQ3.
UE2 measures the received signal to noise ratio of the discovery signal of UE1 and UE3 respectively, suppose that the received signal to noise ratio of the discovery signal of UE1 is expressed as SINR1, the received signal to noise ratio of the discovery signal of UE3 is expressed as SINR3, in conjunction with from the channel quality information of UE1 and UE4, the channel quality information of UE3 and UE4 that find to obtain in signal, from UE1 and UE3, select one as via node.
Concrete system of selection is: calculate the efficiency of transmission of UE1 and UE3 respectively, selects UE that efficiency of transmission is the highest as via node.The computing formula of efficiency of transmission can be expressed as:
C
i＝Alog
2(1+SINR
i)+Blog
2(1+snr
i)
Wherein, A represents the first default weighted value, and B represents the second default weighted value, C
irepresent the efficiency of transmission of UEi, SINR
irepresent the received signal to noise ratio of UEi, snr
irepresent the channel quality information CQ carried in the discovery signal of UEi
icorresponding snr value.
Suppose that UE2 selects UE1 as via node, then UE2 sends communication request and establishes a communications link with UE1, and UE2 selects the size of the packet of transmission according to the efficiency of transmission of UE1, namely select the modulation coding mode adopted.UE2 realizes the communication with UE4 by the communication connection between the communication connection between UE1 and UE1 and UE4.
Based on same inventive concept, in the embodiment of the present invention, provide a kind of UE, the concrete enforcement of this UE can see in said method part about the description of source UE, repeat part and repeat no more, as shown in Figure 5, this UE mainly comprises:
Receiving element 501, for receiving the discovery signal that at least one candidate relay node sends, carries the channel quality information between described candidate relay node and destination node in described discovery signal;
Processing unit 502, for the described channel quality information carried in each described discovery signal that receives according to described receiving element and each described discovery signal, from least one candidate relay node described, select one as the via node of described source UE and described destination node.
Preferably, described receiving element 501 specifically for:
The discovery signal that at least one UE sends detected, according to the relay capabilities indication information carried in described discovery signal, determine whether described UE is candidate relay node.
Preferably, described processing unit 502 specifically for:
Obtain the reception quality information of the discovery signal of each described candidate relay node respectively, according to the described channel quality information carried in the reception quality information of the discovery signal of described candidate relay node and the discovery signal of described candidate relay node, from least one candidate relay node described, select one as the via node of described source UE and described destination node.
Preferably, described destination node is the UE during device-to-device D2D communicates, or is the network equipment.
Preferably, this UE also comprises transmitting element 503, for:
Before receiving the discovery signal of candidate relay node transmission, send request discovery signal, described request finds to carry the information of described source UE and the information of described destination node in signal.
Preferably, described channel quality information comprises: in the Reference Signal Received Power RSRP that received power value when channel quality indicator (CQI), described candidate relay node receive the signal of described destination node, the Signal to Interference plus Noise Ratio SINR estimated value between described candidate relay node and described destination node, described candidate relay node obtain the signal measurement of described destination node any one or combine.
Preferably, described processing unit also for:
From at least one candidate relay node described, select one as after the via node of described source UE and described destination node, and set up D2D between described via node and communicate to connect;
The modulation coding mode that D2D communicates is determined according to the channel quality information carried in the discovery signal of described via node.
Based on same inventive concept, present invention also offers another UE, the concrete enforcement of this UE can see in said method part about the description of source UE, repeat part and repeat no more, as shown in Figure 6, this UE mainly comprises:
Transceiver 601, for receiving the discovery signal that at least one candidate relay node sends, carries the channel quality information between described candidate relay node and destination node in described discovery signal;
Processor 602, for the described channel quality information carried in each described discovery signal that receives according to described transceiver 601 and each described discovery signal, from least one candidate relay node described, select one as the via node of described source UE and described destination node.
Preferably, transceiver 601 detects the discovery signal that at least one UE sends, and according to the relay capabilities indication information carried in described discovery signal, determines whether described UE is candidate relay node.
Preferably, processor 602 obtains the reception quality information of the discovery signal of each described candidate relay node respectively, according to the described channel quality information carried in the reception quality information of the discovery signal of described candidate relay node and the discovery signal of described candidate relay node, from least one candidate relay node described, select one as the via node of described source UE and described destination node.
Wherein, destination node is the UE during device-to-device D2D communicates, or is the network equipment.
Preferably, transceiver 601 sends request discovery signal before receiving the discovery signal of candidate relay node transmission, and described request finds to carry the information of described source UE and the information of described destination node in signal.
Preferably, channel quality information comprises: in the Reference Signal Received Power RSRP that received power value when channel quality indicator (CQI), described candidate relay node receive the signal of described destination node, the Signal to Interference plus Noise Ratio SINR estimated value between described candidate relay node and described destination node, described candidate relay node obtain the signal measurement of described destination node any one or combine.
Preferably, processor 602 selects one as after the via node of described source UE and described destination node from least one candidate relay node described, and sets up D2D between described via node and communicate to connect;
The modulation coding mode that D2D communicates is determined according to the channel quality information carried in the discovery signal of described via node.
Based on same inventive concept, additionally provide another kind of UE in the embodiment of the present invention, the concrete enforcement of this UE can see in said method part about as the specific descriptions of the UE of the via node between source UE and destination node, part can being repeated and repeat no more, as shown in Figure 7, this UE mainly comprises:
Determining unit 701, for determining that described UE can as the candidate relay node between source UE and destination node;
Generation unit 702, also generates for the channel quality information measured between described UE and described destination node and finds signal, carry described channel quality information in described discovery signal;
Transmitting element 703, for sending described discovery signal to described source UE, is determined whether to select described UE as via node according to described discovery signal by described source UE.
Wherein, described source UE is other UE any in described UE communication range, or for sending request the UE finding signal to described UE.
Wherein, described destination node is the UE during device-to-device D2D communicates, or is the network equipment.
Preferably, described determining unit 701 specifically for:
Described UE can as the candidate relay node between source UE and destination node to adopt one of following or combination to determine:
Described UE can as the candidate relay node of source UE and network-side communication by network side configuration;
Described UE can as the candidate relay node communicated between UE by network side mandate;
Described UE side is preconfigured can as the candidate relay node communicated between UE;
Described UE can find described source UE and described destination node simultaneously;
Channel quality between described UE and described source UE and the channel quality between described UE and described destination node meet pre-conditioned.
Preferably, also comprise receiving element 704, for:
Described determining unit determine described UE can as the candidate relay node between source UE and destination node before, receive the request discovery signal that described source UE sends, described request finds to carry the information of described source UE and the information of described destination node in signal.
Preferably, described discovery signal also comprises the facility information of described UE and/or the relay capabilities indication information of described UE.
Preferably, described generation unit 702 specifically for:
Synchronizing signal, reference signal or discovery signal that described destination node sends are measured, obtains described channel quality information.
Preferably, described channel quality information comprises: in the Reference Signal Received Power RSRP that received power value when channel quality indicator (CQI), described UE receive the signal of described destination node, the Signal to Interference plus Noise Ratio SINR estimated value between described UE and described destination node, described UE obtain the signal measurement of described destination node any one or combine.
Based on same inventive concept, additionally provide another kind of UE in the embodiment of the present invention, the concrete enforcement of this UE can see in said method part about as the specific descriptions of the UE of the via node between source UE and destination node, part can being repeated and repeat no more, as shown in Figure 8, this UE mainly comprises:
Processor 801, for determining that described UE can as the candidate relay node between source UE and destination node, the channel quality information measured between described UE and described destination node also generates and finds signal, carries described channel quality information in described discovery signal;
Transceiver 802, for sending described discovery signal to described source UE, is determined whether to select described UE as via node according to described discovery signal by described source UE.
Wherein, described source UE is other UE any in described UE communication range, or for sending request the UE finding signal to described UE.
Wherein, described destination node is the UE during device-to-device D2D communicates, or is the network equipment.
Preferably, processor 801 adopt one of following or combination to determine described UE can as the candidate relay node between source UE and destination node:
Described UE can as the candidate relay node of source UE and network-side communication by network side configuration;
Described UE can as the candidate relay node communicated between UE by network side mandate;
Described UE side is preconfigured can as the candidate relay node communicated between UE;
Described UE can find described source UE and described destination node simultaneously;
Channel quality between described UE and described source UE and the channel quality between described UE and described destination node meet pre-conditioned.
Preferably, transceiver 802 processor 801 determine described UE can as the candidate relay node between source UE and destination node before, receive the request discovery signal that described source UE sends, described request finds to carry the information of described source UE and the information of described destination node in signal.
Preferably, described discovery signal also comprises the facility information of described UE and/or the relay capabilities indication information of described UE.
Preferably, the synchronizing signal that processor 801 sends described destination node, reference signal or discovery signal are measured, and obtain described channel quality information.
Preferably, described channel quality information comprises: in the Reference Signal Received Power RSRP that received power value when channel quality indicator (CQI), described UE receive the signal of described destination node, the Signal to Interference plus Noise Ratio SINR estimated value between described UE and described destination node, described UE obtain the signal measurement of described destination node any one or combine.
Based on technique scheme, in the embodiment of the present invention, the channel quality information between this candidate relay node and destination node that the discovery signal that source UE sends according to each candidate relay node and finding carries in signal, via node is selected from multiple candidate relay node, thus continue in selecting node time consider the channel quality information of via node and destination node, ensure that the data transmission performance between source UE and destination node.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (30)
1. determine a method for via node, it is characterized in that, comprising:
Source user equipment UE receives the discovery signal that at least one candidate relay node sends, and carries the channel quality information between described candidate relay node and destination node in described discovery signal;
Described source UE, according to the described channel quality information carried in each described discovery signal and each described discovery signal, selects one as the via node of described source UE and described destination node from least one candidate relay node described.
2. the method for claim 1, is characterized in that, described source UE receives the discovery signal that at least one candidate relay node sends, and comprising:
Described source UE detects the discovery signal that at least one UE sends, and according to the relay capabilities indication information carried in described discovery signal, determines whether described UE is candidate relay node.
3. the method for claim 1, it is characterized in that, described source UE is according to the described channel quality information carried in each described discovery signal and each described discovery signal, from at least one candidate relay node described, select one as the via node of described source UE and described destination node, comprising:
Described source UE obtains the reception quality information of the discovery signal of each described candidate relay node respectively, according to the described channel quality information carried in the reception quality information of the discovery signal of described candidate relay node and the discovery signal of described candidate relay node, from least one candidate relay node described, select one as the via node of described source UE and described destination node.
4. the method for claim 1, is characterized in that, described destination node is the UE during device-to-device D2D communicates, or is the network equipment.
5. the method for claim 1, is characterized in that, described source UE also comprises before receiving the discovery signal of candidate relay node transmission:
Described source UE sends request discovery signal, and described request finds to carry the information of described source UE and the information of described destination node in signal.
6. the method as described in any one of claim 1-5, it is characterized in that, described channel quality information comprises: in the Reference Signal Received Power RSRP that received power value when channel quality indicator (CQI), described candidate relay node receive the signal of described destination node, the Signal to Interference plus Noise Ratio SINR estimated value between described candidate relay node and described destination node, described candidate relay node obtain the signal measurement of described destination node any one or combine.
7. the method for claim 1, is characterized in that, described source UE selects one as after the via node of described source UE and described destination node from least one candidate relay node described, and described method also comprises:
Set up D2D between described source UE and described via node to communicate to connect;
Described source UE determines according to the channel quality information carried in the discovery signal of described via node the modulation coding mode that D2D communicates.
8. determine a method for via node, it is characterized in that, comprising:
User equipment (UE) is determined self can as the candidate relay node between source UE and destination node;
Described UE measures the channel quality information between self and described destination node and generates and finds signal, carries described channel quality information in described discovery signal;
Described UE sends described discovery signal to described source UE, is determined whether to select described UE as via node according to described discovery signal by described source UE.
9. method as claimed in claim 8, it is characterized in that, described source UE is other UE any in described UE communication range, or for sending request the UE finding signal to described UE.
10. method as claimed in claim 8, is characterized in that, described destination node is the UE during device-to-device D2D communicates, or is the network equipment.
11. methods as claimed in claim 8, is characterized in that, described UE determines self can as the candidate relay node between source UE and destination node, comprise one of following or combination:
Described UE can as the candidate relay node of source UE and network-side communication by network side configuration;
Described UE can as the candidate relay node communicated between UE by network side mandate;
Described UE side is preconfigured can as the candidate relay node communicated between UE;
Described UE can find described source UE and described destination node simultaneously;
Channel quality between described UE and described source UE and the channel quality between described UE and described destination node meet pre-conditioned.
12. methods as claimed in claim 8, is characterized in that, described UE determines self can as before the candidate relay node between source UE and destination node, and described method also comprises:
Described UE receives the request discovery signal that described source UE sends, and described request finds to carry the information of described source UE and the information of described destination node in signal.
13. methods as claimed in claim 8, is characterized in that, described discovery signal also comprises the facility information of described UE and/or the relay capabilities indication information of described UE.
14. methods as claimed in claim 8, it is characterized in that, described UE measures the channel quality information between self and described destination node, comprising:
The synchronizing signal that described UE sends described destination node, reference signal or discovery signal are measured, and obtain described channel quality information.
15. methods as described in any one of claim 8-14, it is characterized in that, described channel quality information comprises: in the Reference Signal Received Power RSRP that received power value when channel quality indicator (CQI), described UE receive the signal of described destination node, the Signal to Interference plus Noise Ratio SINR estimated value between described UE and described destination node, described UE obtain the signal measurement of described destination node any one or combine.
16. 1 kinds of user equipment (UE)s, is characterized in that, comprising:
Receiving element, for receiving the discovery signal that at least one candidate relay node sends, carries the channel quality information between described candidate relay node and destination node in described discovery signal;
Processing unit, for the described channel quality information carried in each described discovery signal that receives according to described receiving element and each described discovery signal, from least one candidate relay node described, select one as the via node of described source UE and described destination node.
17. UE as claimed in claim 16, is characterized in that, described receiving element specifically for:
The discovery signal that at least one UE sends detected, according to the relay capabilities indication information carried in described discovery signal, determine whether described UE is candidate relay node.
18. UE as claimed in claim 16, is characterized in that, described processing unit specifically for:
Obtain the reception quality information of the discovery signal of each described candidate relay node respectively, according to the described channel quality information carried in the reception quality information of the discovery signal of described candidate relay node and the discovery signal of described candidate relay node, from least one candidate relay node described, select one as the via node of described source UE and described destination node.
19. UE as claimed in claim 16, is characterized in that, described destination node is the UE during device-to-device D2D communicates, or is the network equipment.
20. UE as claimed in claim 16, is characterized in that, also comprise transmitting element, for:
Before receiving the discovery signal of candidate relay node transmission, send request discovery signal, described request finds to carry the information of described source UE and the information of described destination node in signal.
21. UE as described in any one of claim 16-20, it is characterized in that, described channel quality information comprises: in the Reference Signal Received Power RSRP that received power value when channel quality indicator (CQI), described candidate relay node receive the signal of described destination node, the Signal to Interference plus Noise Ratio SINR estimated value between described candidate relay node and described destination node, described candidate relay node obtain the signal measurement of described destination node any one or combine.
22. UE as claimed in claim 16, is characterized in that, described processing unit also for:
From at least one candidate relay node described, select one as after the via node of described source UE and described destination node, and set up D2D between described via node and communicate to connect;
The modulation coding mode that D2D communicates is determined according to the channel quality information carried in the discovery signal of described via node.
23. 1 kinds of user equipment (UE)s, is characterized in that, comprising:
Determining unit, for determining that described UE can as the candidate relay node between source UE and destination node;
Generation unit, also generates for the channel quality information measured between described UE and described destination node and finds signal, carry described channel quality information in described discovery signal;
Transmitting element, for sending described discovery signal to described source UE, is determined whether to select described UE as via node according to described discovery signal by described source UE.
24. UE as claimed in claim 23, is characterized in that, described source UE is other UE any in described UE communication range, or for sending request the UE finding signal to described UE.
25. UE as claimed in claim 23, is characterized in that, described destination node is the UE during device-to-device D2D communicates, or is the network equipment.
26. UE as claimed in claim 23, is characterized in that, described determining unit specifically for:
Described UE can as the candidate relay node between source UE and destination node to adopt one of following or combination to determine:
Described UE can as the candidate relay node of source UE and network-side communication by network side configuration;
Described UE can as the candidate relay node communicated between UE by network side mandate;
Described UE side is preconfigured can as the candidate relay node communicated between UE;
Described UE can find described source UE and described destination node simultaneously;
Channel quality between described UE and described source UE and the channel quality between described UE and described destination node meet pre-conditioned.
27. UE as claimed in claim 23, is characterized in that, also comprise receiving element, for:
Described determining unit determine described UE can as the candidate relay node between source UE and destination node before, receive the request discovery signal that described source UE sends, described request finds to carry the information of described source UE and the information of described destination node in signal.
28. UE as claimed in claim 23, is characterized in that, described discovery signal also comprises the facility information of described UE and/or the relay capabilities indication information of described UE.
29. UE as claimed in claim 23, is characterized in that, described generation unit specifically for:
Synchronizing signal, reference signal or discovery signal that described destination node sends are measured, obtains described channel quality information.
30. UE as described in any one of claim 23-29, it is characterized in that, described channel quality information comprises: in the Reference Signal Received Power RSRP that received power value when channel quality indicator (CQI), described UE receive the signal of described destination node, the Signal to Interference plus Noise Ratio SINR estimated value between described UE and described destination node, described UE obtain the signal measurement of described destination node any one or combine.
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Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105979570A (en) * | 2016-06-30 | 2016-09-28 | 中国传媒大学 | Method for multi-hop bridging automatic link establishment based on WLAN (Wireless Local Area Network) |
| CN107347207A (en) * | 2016-05-04 | 2017-11-14 | 上海朗帛通信技术有限公司 | A kind of method and apparatus of narrow-band mobile communication |
| CN107608803A (en) * | 2017-09-13 | 2018-01-19 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | A kind of enhanced social D2D relay selection methods towards multiple target |
| CN108900385A (en) * | 2018-07-24 | 2018-11-27 | Oppo广东移动通信有限公司 | Method for connecting network and Related product |
| CN108966290A (en) * | 2018-07-24 | 2018-12-07 | Oppo广东移动通信有限公司 | Method for connecting network and Related product |
| CN108966321A (en) * | 2018-07-24 | 2018-12-07 | Oppo广东移动通信有限公司 | Method for connecting network and Related product |
| CN110139337A (en) * | 2018-02-09 | 2019-08-16 | 电信科学技术研究院有限公司 | A kind of selection method and equipment of relay node |
| CN110337092A (en) * | 2019-06-24 | 2019-10-15 | 南京邮电大学 | A kind of low-power consumption relay selection method based on social trust model |
| WO2019213958A1 (en) * | 2018-05-11 | 2019-11-14 | 华为技术有限公司 | Data packet transmission method and device |
| CN110461020A (en) * | 2019-08-16 | 2019-11-15 | 展讯通信（上海）有限公司 | Relay selection method and device, storage medium, terminal for auxiliary link |
| CN110611943A (en) * | 2018-06-15 | 2019-12-24 | 海信集团有限公司 | Method and equipment for reselecting Relay UE |
| CN110611940A (en) * | 2018-06-15 | 2019-12-24 | 海信集团有限公司 | Method and equipment for selecting Relay UE |
| WO2020077578A1 (en) * | 2018-10-18 | 2020-04-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Group-based relay selection for wireless network communication |
| CN111479307A (en) * | 2020-04-14 | 2020-07-31 | 珠海格力电器股份有限公司 | Data transmission method, device, AP and storage medium |
| CN111543114A (en) * | 2018-01-09 | 2020-08-14 | Oppo广东移动通信有限公司 | Network self-organizing method and device |
| CN111698753A (en) * | 2019-03-12 | 2020-09-22 | 中国移动通信有限公司研究院 | Relay selection method and device, equipment and storage medium |
| WO2021143464A1 (en) * | 2020-01-15 | 2021-07-22 | 大唐移动通信设备有限公司 | Relay device selection method and device, and computer storage medium |
| CN113259916A (en) * | 2020-02-12 | 2021-08-13 | 阿里巴巴集团控股有限公司 | Communication method based on Bluetooth network, node and communication system thereof |
| WO2021190516A1 (en) * | 2020-03-23 | 2021-09-30 | 维沃移动通信有限公司 | Relay ue determination method and device |
| CN113726539A (en) * | 2020-05-25 | 2021-11-30 | 成都鼎桥通信技术有限公司 | Data reporting method and equipment |
| WO2021238657A1 (en) * | 2020-05-27 | 2021-12-02 | 华为技术有限公司 | Method and apparatus for unicast communication |
| CN114051271A (en) * | 2021-11-16 | 2022-02-15 | 珠海优特电力科技股份有限公司 | Relay node switching method and device, storage medium and electronic device |
| CN114079873A (en) * | 2020-08-14 | 2022-02-22 | 展讯半导体(南京)有限公司 | Multicast communication method and device without clear target user, storage medium, terminal and base station |
| WO2022110168A1 (en) * | 2020-11-30 | 2022-06-02 | 华为技术有限公司 | Communication configuration method and communication apparatus |
| CN116208924A (en) * | 2020-01-07 | 2023-06-02 | 瑞典爱立信有限公司 | Path selection for side link communication in NR networks |
| WO2024035682A1 (en) * | 2022-08-09 | 2024-02-15 | Kyocera Corporation | Coexistence of u2u discovery and u2n discovery |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210243683A1 (en) * | 2018-08-23 | 2021-08-05 | Ntt Docomo, Inc. | Radio communication apparatus and radio communication method |
| WO2022155313A1 (en) * | 2021-01-14 | 2022-07-21 | Kyocera Corporation | Transmission of coverage indicator by remote user equipment (ue) device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101394665A (en) * | 2008-11-10 | 2009-03-25 | 哈尔滨工业大学 | High speed mobile customer relay node selection method in cellular system coordination communication |
| US20100022184A1 (en) * | 2008-07-22 | 2010-01-28 | Sharp Laboratories Of America, Inc. | Systems and methods for selective relaying in wireless networks |
| CN101790218A (en) * | 2010-01-22 | 2010-07-28 | 北京邮电大学 | Distributed relay selection method and device |
| CN103402237A (en) * | 2013-07-31 | 2013-11-20 | 西安交通大学 | Relay selecting method based on interrupt priority for unisource multi-relay cooperative communication system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8938197B2 (en) * | 2010-02-26 | 2015-01-20 | Nokia Corporation | Base station aided mobile-relay candidate pre-selection and pre-deployment |
| WO2012144709A1 (en) * | 2011-04-20 | 2012-10-26 | 엘지전자 주식회사 | Method and apparatus for reporting channel quality indicator in wireless communication system |
| EP2742729A1 (en) * | 2011-08-11 | 2014-06-18 | Interdigital Patent Holdings, Inc. | Mobile relay handover |
| US9504090B2 (en) * | 2013-01-17 | 2016-11-22 | Lg Electronics Inc. | Method and apparatus for group communication in proximity-based service |
-
2014
- 2014-08-22 CN CN201410419802.6A patent/CN105430633B/en active Active
-
2015
- 2015-07-24 WO PCT/CN2015/085035 patent/WO2016026366A1/en active Application Filing
- 2015-08-14 TW TW104126470A patent/TWI584669B/en active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100022184A1 (en) * | 2008-07-22 | 2010-01-28 | Sharp Laboratories Of America, Inc. | Systems and methods for selective relaying in wireless networks |
| CN101394665A (en) * | 2008-11-10 | 2009-03-25 | 哈尔滨工业大学 | High speed mobile customer relay node selection method in cellular system coordination communication |
| CN101790218A (en) * | 2010-01-22 | 2010-07-28 | 北京邮电大学 | Distributed relay selection method and device |
| CN103402237A (en) * | 2013-07-31 | 2013-11-20 | 西安交通大学 | Relay selecting method based on interrupt priority for unisource multi-relay cooperative communication system |
Cited By (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107347207B (en) * | 2016-05-04 | 2019-10-01 | 上海朗帛通信技术有限公司 | A kind of method and apparatus of narrow-band mobile communication |
| CN107347207A (en) * | 2016-05-04 | 2017-11-14 | 上海朗帛通信技术有限公司 | A kind of method and apparatus of narrow-band mobile communication |
| CN105979570A (en) * | 2016-06-30 | 2016-09-28 | 中国传媒大学 | Method for multi-hop bridging automatic link establishment based on WLAN (Wireless Local Area Network) |
| CN105979570B (en) * | 2016-06-30 | 2019-02-15 | 中国传媒大学 | A method of the multi-hop based on WLAN bridges automatic link establishment |
| CN107608803B (en) * | 2017-09-13 | 2020-12-08 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Social D2D relay selection method |
| CN107608803A (en) * | 2017-09-13 | 2018-01-19 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | A kind of enhanced social D2D relay selection methods towards multiple target |
| CN111543114A (en) * | 2018-01-09 | 2020-08-14 | Oppo广东移动通信有限公司 | Network self-organizing method and device |
| US11310717B2 (en) | 2018-02-09 | 2022-04-19 | Datang Mobile Communications Equipment Co., Ltd. | Relay node selection method and device |
| CN110139337A (en) * | 2018-02-09 | 2019-08-16 | 电信科学技术研究院有限公司 | A kind of selection method and equipment of relay node |
| CN112042229A (en) * | 2018-05-11 | 2020-12-04 | 华为技术有限公司 | Data packet transmission method and equipment |
| CN112042229B (en) * | 2018-05-11 | 2022-09-23 | 华为技术有限公司 | Data packet transmission method and equipment |
| WO2019213958A1 (en) * | 2018-05-11 | 2019-11-14 | 华为技术有限公司 | Data packet transmission method and device |
| CN110611943A (en) * | 2018-06-15 | 2019-12-24 | 海信集团有限公司 | Method and equipment for reselecting Relay UE |
| CN110611940A (en) * | 2018-06-15 | 2019-12-24 | 海信集团有限公司 | Method and equipment for selecting Relay UE |
| CN108966321A (en) * | 2018-07-24 | 2018-12-07 | Oppo广东移动通信有限公司 | Method for connecting network and Related product |
| WO2020019775A1 (en) * | 2018-07-24 | 2020-01-30 | Oppo广东移动通信有限公司 | Network connection method and related product |
| CN108900385B (en) * | 2018-07-24 | 2021-02-26 | Oppo广东移动通信有限公司 | Network connection method and related product |
| CN108966290A (en) * | 2018-07-24 | 2018-12-07 | Oppo广东移动通信有限公司 | Method for connecting network and Related product |
| CN108900385A (en) * | 2018-07-24 | 2018-11-27 | Oppo广东移动通信有限公司 | Method for connecting network and Related product |
| WO2020077578A1 (en) * | 2018-10-18 | 2020-04-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Group-based relay selection for wireless network communication |
| US11622416B2 (en) | 2018-10-18 | 2023-04-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Group-based relay selection for wireless network communication |
| CN111698753A (en) * | 2019-03-12 | 2020-09-22 | 中国移动通信有限公司研究院 | Relay selection method and device, equipment and storage medium |
| CN110337092A (en) * | 2019-06-24 | 2019-10-15 | 南京邮电大学 | A kind of low-power consumption relay selection method based on social trust model |
| CN110337092B (en) * | 2019-06-24 | 2022-07-26 | 南京邮电大学 | Low-power-consumption relay selection method based on social trust model |
| CN110461020A (en) * | 2019-08-16 | 2019-11-15 | 展讯通信（上海）有限公司 | Relay selection method and device, storage medium, terminal for auxiliary link |
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| CN116208924A (en) * | 2020-01-07 | 2023-06-02 | 瑞典爱立信有限公司 | Path selection for side link communication in NR networks |
| WO2021143464A1 (en) * | 2020-01-15 | 2021-07-22 | 大唐移动通信设备有限公司 | Relay device selection method and device, and computer storage medium |
| CN113259916A (en) * | 2020-02-12 | 2021-08-13 | 阿里巴巴集团控股有限公司 | Communication method based on Bluetooth network, node and communication system thereof |
| WO2021190516A1 (en) * | 2020-03-23 | 2021-09-30 | 维沃移动通信有限公司 | Relay ue determination method and device |
| CN111479307A (en) * | 2020-04-14 | 2020-07-31 | 珠海格力电器股份有限公司 | Data transmission method, device, AP and storage medium |
| CN113726539A (en) * | 2020-05-25 | 2021-11-30 | 成都鼎桥通信技术有限公司 | Data reporting method and equipment |
| WO2021238657A1 (en) * | 2020-05-27 | 2021-12-02 | 华为技术有限公司 | Method and apparatus for unicast communication |
| CN113747606A (en) * | 2020-05-27 | 2021-12-03 | 华为技术有限公司 | Method and device for unicast communication |
| CN114079873A (en) * | 2020-08-14 | 2022-02-22 | 展讯半导体(南京)有限公司 | Multicast communication method and device without clear target user, storage medium, terminal and base station |
| CN114079873B (en) * | 2020-08-14 | 2023-03-24 | 展讯半导体(南京)有限公司 | Multicast communication method and device without clear target user, storage medium, terminal and base station |
| WO2022110168A1 (en) * | 2020-11-30 | 2022-06-02 | 华为技术有限公司 | Communication configuration method and communication apparatus |
| CN114051271A (en) * | 2021-11-16 | 2022-02-15 | 珠海优特电力科技股份有限公司 | Relay node switching method and device, storage medium and electronic device |
| WO2024035682A1 (en) * | 2022-08-09 | 2024-02-15 | Kyocera Corporation | Coexistence of u2u discovery and u2n discovery |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI584669B (en) | 2017-05-21 |
| CN105430633B (en) | 2020-04-10 |
| TW201608926A (en) | 2016-03-01 |
| WO2016026366A1 (en) | 2016-02-25 |
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