CN102843654A - TD (Time division) cluster UE (user equipment) group implementing method and device and cluster UE - Google Patents
TD (Time division) cluster UE (user equipment) group implementing method and device and cluster UE Download PDFInfo
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- CN102843654A CN102843654A CN2012103270446A CN201210327044A CN102843654A CN 102843654 A CN102843654 A CN 102843654A CN 2012103270446 A CN2012103270446 A CN 2012103270446A CN 201210327044 A CN201210327044 A CN 201210327044A CN 102843654 A CN102843654 A CN 102843654A
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Abstract
The invention discloses a TD (Time division) cluster UE (user equipment) group implementing method and device and a cluster UE, aiming to fulfill the function of the cluster UE group on the basis of a TD system. The RRC (radio resource control) layer of the cluster UE comprises an idle mode and a connection mode. When the RRC layer is in the connection mode, the TD cluster UE group implementing method comprises the step of controlling the cluster UE to enter the speaking state so that the luster UE obtains the speaking right of a group and independently occupies the uplink dedicated channel of group communication. When the RRC layer is in the idle mode, the TD cluster UE group implementing method comprises the step of controlling the cluster UE to enter the listening state so that the cluster UE is in the receiving state in the group and shares the downlink service channel of group communication with all the UEs in the listening state in the group. According to the technical scheme of the invention, the states of the RRC layer are redivided on the basis of the existing TD network to meet the function needs of the cluster.
Description
Technical field
The present invention relates to communication technical field, more specifically, relate to a kind of TD cluster UE group implementation method, device and cluster UE.
Background technology
In present TD (Time Division, the time-division) network, RRC (Radio Resource Control; Radio Resource control) layer comprises two patterns, and idle pulley and connection mode below elaborate to the involved function of each state under pattern and the pattern; There is not state to distinguish under the idle pulley; Be divided into URA_PCH (URA Paging Channel, cell paging channel), CELL_FACH (Cell Forward Access Channel, the sub-district is access channel forward) under the connection mode; CELL_DCH (Cell Dedicated Channel, cell private channel).Status function is under each pattern: the main execution cycle property of idle pulley ground search high-priority PLMN (Public Land Mobile Network, public land mobile telephone network).Under the connection mode, URA_PCH or CELL_PCH (Cell Paging Channel, cell paging channel) mainly accomplishes Serving cell SI (System Information, system information) and upgrades; District reselecting; The PLMN of periodicity search high-priority, paging receiving receives PCCH (Paging Control Channel; Paging Control Channel) with BCCH (Broadcast Control Channel; BCCH) the RRC message on is measured control, and cycle URA (UTRAN Registration Area, network registry zone) upgrades; CELL_FACH mainly accomplishes Serving cell SI and upgrades district reselecting; Measure control, the cycle cell update is selected resource distribution required under this state; Receive PCCH, the RRC message on BCCH and the DCCH (Dedicated Control Channel, down control channel); CELL_DCH mainly accomplishes SI and reads, and measures control, selects resource distribution required under this state, receives the RRC message on BCCH and the DCCH.
The traffic performance of cluster is that a user is saying, one or more users are listening.After the user who need to speak initiates the right to speak request, whom decides can obtain right to speak by network according to certain preemptive policy, this user who obtains right to speak has just become and has said the user, and the user in other cluster groups has just become a tin user.So, conversion repeatedly lets user in the group speak and exchanges, and finishes up to this trunked call.
Based on the characteristics of cluster, need to add new function to satisfy the cluster demand, new function has BCCH to go up reception group related resource function; Monitor the group-calling service configuration feature, group call establishment process, words power request process; Words power dispose procedure; The group dispose procedure according to these new functions, designs the state of rrc layer again.
Therefore, exist original TD system can not satisfy the problem of the needs of clustering functionality in the prior art.
Summary of the invention
The present invention provides a kind of TD cluster UE group implementation method, device and cluster UE, is used for solving prior art and exists original TD system can not satisfy the problem of the needs of clustering functionality.
Be to realize above-mentioned purpose, according to an aspect of the present invention, a kind of TD cluster UE group implementation method be provided, and adopt following technical scheme:
TD cluster UE group implementation method, the radio resource control RRC layer of said cluster UE comprises idle pulley and connection mode; When said rrc layer was connection mode, said cluster UE realized that group method comprises: control said cluster UE entering and say state, make said cluster UE obtain the words power of a group, and monopolize the special uplink channel of said group communication; When said rrc layer is idle pulley; Said cluster UE realizes that group method comprises: control said cluster UE and get into listen state; Make said cluster UE in said group, be in accepting state, and share the downlink traffic channel of said group communication with whole listen state UE in the said group.
Further, the said cluster UE of said control gets into and says that state comprises: said cluster UE initiates group call business to network side, and after said network side is successfully set up said group, controls said cluster UE and change the state of stating over to by idle condition.
Further; After stating state; Said cluster UE group implementation method also comprises: higher level's cluster UE of said cluster UE initiates to discharge the request of said group to said network side; And after said network side successfully discharged said group, said cluster UE changed said idle condition over to from stating state.
Further, after said idle condition, said cluster UE group implementation method also comprises: said cluster UE inserts said existing group after reading the physical resource of an existing group, and controls said cluster UE and change said listen state over to by said idle condition.
Further; The said cluster UE of said control gets into and says that state comprises: the said cluster UE that has been in said group initiates the request of application power to network side; And after said network side becomes the said words power of the distribution of work, control said cluster UE and change the state of stating over to by said listen state.
Further; After stating state; Said cluster UE group implementation method also comprises: said cluster UE initiates the request of speech privilege releasing to said network side, and after said network side success speech privilege releasing, controls said cluster UE and be transferred to said listen state from stating state.
Further; After said listen state; Said cluster UE group implementation method also comprises: said cluster UE initiates to discharge the request of said group to said network side, and after said network side successfully discharged said group, said cluster UE changed said idle condition over to from said listen state.
According to another aspect of the present invention, a kind of TD cluster UE group implement device is provided, and adopts following technical scheme:
TD cluster UE group implement device comprises: first control module, and be used to control said cluster UE entering and say state, make said cluster UE obtain the words power of a group, and monopolize the special uplink channel of said group communication; Second control module is used to control said cluster UE and gets into listen state, makes said cluster UE in said group, be in accepting state, and shares the downlink traffic channel of said group communication with whole listen state UE in the said group.
Further, said first control module comprises: first initiation module is used for said cluster UE and initiates group call business to network side, and after said network side is successfully set up said group, controls said cluster UE and change the state of stating over to by idle condition.
Further; Cluster UE group implement device also comprises: change module over to; The higher level's cluster UE that is used for said cluster UE initiates the request of the said group of release to said network side, and after said network side successfully discharged said group, said cluster UE changed said idle condition over to from stating state.
Further, cluster UE group implement device also comprises: AM access module is used for inserting said existing group behind the physical resource that said cluster UE reads an existing group, and controls said cluster UE and change said listen state over to by said idle condition.
Further; Said second control module comprises: second initiation module; The said cluster UE that is used for being in said group initiates the request of application words power to network side, and after said network side becomes the said words power of the distribution of work, controls said cluster UE and change the state of stating over to by said listen state.
Further; Said cluster UE group implement device also comprises: the 3rd initiation module; Be used for said cluster UE and initiate the request of speech privilege releasing, and after said network side success speech privilege releasing, control said cluster UE and be transferred to said listen state from stating state to said network side.
Further; Said cluster UE group implement device also comprises: the 4th initiation module; Said cluster UE initiates the request of the said group of release to said network side, and after said network side successfully discharged said group, said cluster UE changed said idle condition over to from said listen state.
According to a further aspect of the invention, a kind of cluster UE is provided, and adopts following technical scheme:
Cluster UE comprises above-mentioned cluster UE group implement device.
The present invention is in order to satisfy the needs of TD clustering functionality, is the basis with former TD system, according to the newly-increased function of cluster UE end; To the function of cluster UE end rrc layer, and state repartitions, and concrete dividing mode is: with UTRAN (Universal Terrestrial Radio Access Network; Land radio access web) do not have when connection, be divided into idle IDLE attitude, T_DSCH (Trunking Downlink Shared Channel; The cluster DSCH Downlink Shared Channel) attitude; Also claim listen state, wherein the IDLE attitude is continued to use former TD system identifier LE mode capabilities, and has added TD cluster correlation function.With UTRAN there is when connection, is divided into the CELL_FACH attitude, T_CELL_DCH (Trunking Cell Dedicated Channel; The cluster cell private channel) attitude; The state of also saying the name of sth., and the function of required realization under each state defined again, to satisfy the clustering functionality needs.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 representes the schematic flow sheet of the described TD cluster of embodiment of the invention UE group implementation method;
Fig. 2 representes the sketch map changed between each state of the described TD cluster of embodiment of the invention UE group;
Fig. 3 representes that the described cluster UE of the embodiment of the invention is from inserting the flow chart that group discharges to group;
Fig. 4 representes that the described cluster UE of the embodiment of the invention sets up the flow chart that group discharges from group;
Fig. 5 representes the structural representation of the described TD cluster of embodiment of the invention UE group implement device.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Fig. 1 representes the schematic flow sheet of the described TD cluster of embodiment of the invention UE group implementation method.
Referring to shown in Figure 1, the radio resource control RRC layer of said cluster UE comprises idle pulley and connection mode; When said rrc layer was connection mode, said cluster UE realized that group method comprises: S102: control said cluster UE entering and say state, make said cluster UE obtain the words power of a group, and monopolize the special uplink channel of said group communication; When said rrc layer is idle pulley; Said cluster UE realizes that group method comprises: S101: control said cluster UE and get into listen state; Make said cluster UE in said group, be in accepting state, and share the downlink traffic channel of said group communication with whole listen state UE in the said group.
In the technique scheme of present embodiment,, there be not when connection with UTRAN to the RRC state of cluster UE; Be divided into the IDLE attitude, the T_DSCH attitude is in the IDLE attitude; What's new is that BCCH go up to receive cluster T_FACH resource, receives the line correlation configuration of going forward side by side of group-calling service configuration information on the T_FACH channel; In the T_DSCH attitude, this state is a peculiar state in the cluster, refers in particular to the UE state that in group service, has only downlink traffic channel (being in accepting state), goes up behavior common signal channel (RACH channel), promptly is in the UE of listen state in the cluster.With UTRAN there is when connection, newly-increased T_CELL_DCH state.T_CELL_DCH, there is special uplink channel in UE, and user's shared channel in the following behavior group refers in particular to the UE that words power is arranged in the cluster, promptly is in the UE of state in the cluster.And state according to above-mentioned definition; Cluster UE can be set up a group or add an existing group; Be cluster UE like step S102 and set up a group from IDLE attitude entering T_CELL_DCH attitude; The one existing group that also can add cluster is cluster UE like step S101 and adds a group from IDLE attitude entering T_DSCH attitude.Above-mentioned state to RRC is repartitioned, to satisfy the needs of realizing clustering functionality.
In particular, above-mentioned each state is set up and is discharged in the whole process of group in the group of cluster and all can change each other, to reach cluster UE conversion repeatedly, lets user in the group speak and exchanges, up to the purpose of this group call end.
Fig. 2 representes the sketch map changed between each state of the described TD cluster of embodiment of the invention UE group.
Referring to shown in Figure 2, because CELL_FACH continues to use former TD system, and move to CELL_FACH attitude A and move to IDLE attitude B from, IDLE attitude and continue to use former TD system from the CELL_FACH attitude, will not explain here.Below be directed against the function under each state of TD cluster, and the conversion between the state elaborates.
State one: the IDLE attitude, be to realize that the group management function of cluster UE, IDLE attitude what's new are that BCCH goes up cluster T_FACH resource and receives, receive the line correlation configuration of going forward side by side of group-calling service configuration information on the T_FACH channel.
State two: T_DSCH attitude, this state are peculiar state in the cluster, refer in particular to the UE state that in group service, has only downlink traffic channel (being in accepting state), goes up behavior common signal channel (RACH channel).This status function is following: normally receive group service signaling and data; Receive the Serving cell system message, can upgrade in time the broadcast that changes; Monitor and paging receiving message the business that is used to initiate mixed service or inserts high priority; Independently switch; The application of words power.
State three: T_CELL_DCH, there is special uplink channel in UE, user's shared channel in the following behavior group.This status function is following: measure control; Select and dispose the RB Multiplex Option that is applied to employed transmission channel under this RRC state; RRC message on DCCH, being received is handled.
Referring to Fig. 2, above-mentioned state one, state two, state three mutual transfer processes are following:
State transition C:IDLE attitude is moved to the T_CELL_DCH attitude, and cluster UE initiates to get into after group service is called out and is transformed into the T_CELL_DCH attitude by the IDLE attitude, and this moment, reverse link traffic channel was special-purpose, and downlink traffic channel is that the user shares in the group.
State transition D:T_CELL_DCH attitude is moved to the IDLE attitude, and after the UE of T_CELL_DCH attitude received the professional message that discharges in the group service, cluster UE was transformed into the IDLE attitude from the T_CELL_DCH attitude.
State transition E:T_DSCH attitude is moved to the T_CELL_DCH attitude, and the UE that listens the user that has been in the group service is obtaining being transformed into the T_CELL_DCH attitude by the T_DSCH attitude after the words power.
State transition F:T_CELL_DCH attitude is moved to the T_DSCH attitude, has been in the UE that says the user in the group service and has obtained the power release message or initiating words power release request back to jump to the T_DSCH attitude by the T_CELL_DCH attitude.
State transition G:IDLE attitude is moved to the T_DSCH attitude, is in UE under the IDLE attitude at the beep-page message of receiving group service and after correctly receiving the service resources configuration messages, gets into the T_DSCH attitude, and this state is that UE independently changes, and does not need network side to specify.
State transition H:T_DSCH attitude is moved to the IDLE attitude, and the UE that has been in tin user in the group service gets into the IDLE attitude by the T_DSCH attitude after receiving the group service release message.
The foregoing description through to the repartitioning of RRC state, can be accomplished the group management function of cluster UE through transformation flow explanation between each state of demonstration cluster UE on the basis of original TD system, realize user in the group interchange of speaking.
Fig. 3 representes that the described cluster UE of the embodiment of the invention is from inserting the flow chart that group discharges to group.
Referring to shown in Figure 3, in the present embodiment, after a cluster UE has read the relevant SI of cluster, can be resident to the cluster sub-district, and get into the IDLE attitude.This TD cluster UE group implementation method specifically can comprise:
Step 1: cluster UE place group exists, and then reads the physical resource of this group, and is linked into this group, makes this UE move to the T_DSCH attitude from the IDLE attitude.
Step 2: words power application process, cluster UE is through weighing to network application words, and after network distributed words power for this UE, then this UE was moved to the T_CELL_DCH attitude from the T_DSCH attitude.
Step 3: the group dispose procedure, more the cluster UE of high priority initiates to discharge request to network, and after the group, then this UE is moved to the IDLE attitude from the T_CELL_DCH attitude under network discharges.
The foregoing description is one typical to insert the process that group discharges to group; The group that is cluster UE exists; Want that for arbitrary the cluster UE that adds this group can realize getting into listen state from Idle state through said process; Get into the state of saying from listen state again, the user can also carry out the mutual conversion between a state according to concrete conversation interchange needs certainly, reaches the purpose that group exchanges.
Fig. 4 representes that the described cluster UE of the embodiment of the invention sets up the flow chart that group discharges from group.
Referring to shown in Figure 4, in the present embodiment, be after a cluster UE has read the relevant SI of cluster equally, can be resident to the cluster sub-district, and get into the IDLE attitude.This TD cluster UE group implementation method specifically can comprise:
Step (one): group call establishment process, cluster UE is set up group to the network application, and network is set up resource such as Radio Link for this group after, then this UE is moved to the T_CELL_DCH attitude from the IDLE attitude.
Step (two): words power dispose procedure, when cluster UE after network is initiated speech privilege releasing, network discharges the words power of this UE, makes this UE move to the T_DSCH attitude from the T_CELL_DCH attitude.
Step (three): the group dispose procedure, cluster UE initiates to discharge request to network, and after the group, then this UE is moved to the IDLE attitude from the T_DSCH attitude under network discharges.
The foregoing description is to explain that through the migration of state in the TD cluster typical group is established to group's dispose procedure in the cluster communication system.Establishment one group and the realization that are cluster UE get into the state of saying from Idle state, and from saying that state is back to Idle state, the user can also carry out the mutual conversion between a state according to concrete conversation interchange needs certainly again, reaches the purpose that group exchanges.
Fig. 5 representes the structural representation of the described TD cluster of embodiment of the invention UE group implement device.
Referring to shown in Figure 5, TD cluster UE group implement device comprises: first control module 50, and be used to control said cluster UE entering and say state, make said cluster UE obtain the words power of a group, and monopolize the special uplink channel of said group communication; Second control module 52 is used to control said cluster UE and gets into listen state, makes said cluster UE in said group, be in accepting state, and shares the downlink traffic channel of said group communication with whole listen state UE in the said group.
Preferably; Said first control module 50 comprises: the first initiation module (not shown); Be used for said cluster UE and initiate group call business, and after said network side is successfully set up said group, control said cluster UE and change the state of stating over to by idle condition to network side.
Preferably; Cluster UE group implement device also comprises: change the module (not shown) over to; The higher level's cluster UE that is used for said cluster UE initiates to discharge the request of said group to said network side; And after said network side successfully discharged said group, said cluster UE changed said idle condition over to from stating state.
Preferably, cluster UE group implement device also comprises: the AM access module (not shown) is used for inserting said existing group behind the physical resource that said cluster UE reads an existing group, and controls said cluster UE and change said listen state over to by said idle condition.
Preferably; Said second control module 52 comprises: the second initiation module (not shown); The said cluster UE that is used for being in said group is to the request of network side initiation application words power; And after said network side becomes the said words power of the distribution of work, control said cluster UE and change the state of stating over to by said listen state.
Preferably; Said cluster UE group implement device also comprises: the 3rd initiation module (not shown); Be used for said cluster UE initiates request from speech privilege releasing to said network side; And after said network side success speech privilege releasing, control said cluster UE and be transferred to said listen state from stating state.
Preferably; Said cluster UE group implement device also comprises: the 4th initiation module (not shown); Said cluster UE initiates to discharge the request of said group to said network side; And after said network side successfully discharged said group, said cluster UE changed said idle condition over to from said listen state.Cluster UE comprises above-mentioned cluster UE group implement device.
Pass through the above embodiment of the present invention; Can find out, in order to satisfy the needs of TD clustering functionality, be the basis with former TD system; According to the newly-increased function of cluster UE end; To the function of cluster UE end rrc layer, and state is repartitioned and the function of required realization under each state is defined again, to satisfy the clustering functionality needs.
The above is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from principle according to the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (15)
1. a TD cluster UE group implementation method is characterized in that the radio resource control RRC layer of said cluster UE comprises idle pulley and connection mode;
When said rrc layer was connection mode, said cluster UE realized that group method comprises:
Control said cluster UE entering and say state, make said cluster UE obtain the words power of a group, and monopolize the special uplink channel of said group communication;
When said rrc layer was idle pulley, said cluster UE realized that group method comprises:
Control said cluster UE and get into listen state, make said cluster UE in said group, be in accepting state, and share the downlink traffic channel of said group communication with whole listen state UE in the said group.
2. cluster UE as claimed in claim 1 group implementation method is characterized in that, the said cluster UE of said control gets into and says that state comprises:
Said cluster UE initiates group call business to network side, and after said network side is successfully set up said group, controls said cluster UE and change the state of stating over to by idle condition.
3. cluster UE as claimed in claim 2 group implementation method is characterized in that, after stating state, said cluster UE group implementation method also comprises:
Higher level's cluster UE of said cluster UE initiates the request of the said group of release to said network side, and after said network side successfully discharged said group, said cluster UE changed said idle condition over to from stating state.
4. cluster UE as claimed in claim 3 group implementation method is characterized in that, after said idle condition, said cluster UE group implementation method also comprises:
Said cluster UE inserts said existing group after reading the physical resource of an existing group, and controls said cluster UE and change said listen state over to by said idle condition.
5. cluster UE as claimed in claim 1 group implementation method is characterized in that, the said cluster UE of said control gets into and says that state comprises:
The said cluster UE that has been in said group initiates the request of application words power to network side, and after said network side becomes the said words power of the distribution of work, controls said cluster UE and change the state of stating over to by said listen state.
6. cluster UE as claimed in claim 5 group implementation method is characterized in that, after stating state, said cluster UE group implementation method also comprises:
Said cluster UE initiates the request of speech privilege releasing to said network side, and after said network side success speech privilege releasing, controls said cluster UE and be transferred to said listen state from stating state.
7. cluster UE as claimed in claim 6 group implementation method is characterized in that, after said listen state, said cluster UE group implementation method also comprises:
Said cluster UE initiates the request of the said group of release to said network side, and after said network side successfully discharged said group, said cluster UE changed said idle condition over to from said listen state.
8. a TD cluster UE group implement device is characterized in that, comprising:
First control module is used to control said cluster UE entering and says state, makes said cluster UE obtain the words power of a group, and monopolizes the special uplink channel of said group communication;
Second control module is used to control said cluster UE and gets into listen state, makes said cluster UE in said group, be in accepting state, and shares the downlink traffic channel of said group communication with whole listen state UE in the said group.
9. cluster UE as claimed in claim 8 group implement device is characterized in that said first control module comprises:
First initiation module is used for said cluster UE and initiates group call business to network side, and after said network side is successfully set up said group, controls said cluster UE and change the state of stating over to by idle condition.
10. cluster UE as claimed in claim 9 group implement device is characterized in that, also comprises:
Change module over to, the higher level's cluster UE that is used for said cluster UE initiates the request of the said group of release to said network side, and after said network side successfully discharged said group, said cluster UE changed said idle condition over to from stating state.
11. cluster UE as claimed in claim 10 group implement device is characterized in that, also comprises:
AM access module is used for inserting said existing group behind the physical resource that said cluster UE reads an existing group, and controls said cluster UE and change said listen state over to by said idle condition.
12. cluster UE as claimed in claim 8 group implement device is characterized in that said second control module comprises:
Second initiation module, the said cluster UE that is used for being in said group initiates the request of application words power to network side, and after said network side becomes the said words power of the distribution of work, controls said cluster UE and change the state of stating over to by said listen state.
13. cluster UE as claimed in claim 12 group implement device is characterized in that, also comprises:
The 3rd initiation module is used for said cluster UE and initiates the request of speech privilege releasing to said network side, and after said network side success speech privilege releasing, controls said cluster UE and be transferred to said listen state from stating state.
14. cluster UE as claimed in claim 13 group implement device is characterized in that, also comprises:
The 4th initiation module, said cluster UE initiates the request of the said group of release to said network side, and after said network side successfully discharged said group, said cluster UE changed said idle condition over to from said listen state.
15. a cluster UE is characterized in that, comprises each described cluster UE group implement device of claim 8-14.
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| PCT/CN2013/079743 WO2013170828A2 (en) | 2012-09-06 | 2013-07-19 | Method and apparatus for cluster ue to implement group in td, and cluster ue |
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| CN101951560A (en) * | 2010-09-16 | 2011-01-19 | 中兴通讯股份有限公司 | Method and system for controlling say status in trunking communication |
| CN102469415A (en) * | 2010-11-04 | 2012-05-23 | 中兴通讯股份有限公司 | Method, terminal and system for point-to-multipoint calling in cluster system based on long term evolution (LTE) technology |
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| WO2013170828A2 (en) * | 2012-09-06 | 2013-11-21 | 中兴通讯股份有限公司 | Method and apparatus for cluster ue to implement group in td, and cluster ue |
| WO2013170828A3 (en) * | 2012-09-06 | 2013-12-19 | 中兴通讯股份有限公司 | Method and apparatus for cluster ue to implement group in td, and cluster ue |
| CN105338499A (en) * | 2014-08-14 | 2016-02-17 | 北京信威通信技术股份有限公司 | Clustering terminal state control method, device and system |
| WO2017045187A1 (en) * | 2015-09-17 | 2017-03-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Contention based signaling in wireless communication system |
| US10980048B2 (en) | 2015-09-17 | 2021-04-13 | Telefonakbebolaget LM Ericsson (Publ) | Contention based signaling in a wireless communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013170828A3 (en) | 2013-12-19 |
| CN102843654B (en) | 2015-08-12 |
| WO2013170828A2 (en) | 2013-11-21 |
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