CN102857871A - cluster data transmission method and network-side equipment - Google Patents
cluster data transmission method and network-side equipment Download PDFInfo
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- CN102857871A CN102857871A CN2011101821115A CN201110182111A CN102857871A CN 102857871 A CN102857871 A CN 102857871A CN 2011101821115 A CN2011101821115 A CN 2011101821115A CN 201110182111 A CN201110182111 A CN 201110182111A CN 102857871 A CN102857871 A CN 102857871A
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Abstract
The invention discloses a cluster data transmission method and network-side equipment. The cluster data transmission method includes: establishing a group of logic channels and radio link control (RLC) entities corresponding to the logic channels and establishing a media access control (MAC) entity by a radio access network for a cluster during a process of an establishing cluster service; dispatching the logic channels by the MAC entity, and accessing cluster data into the logic channels by the RLC entities according to dispatching of the MAC entity; and sending the cluster data on the logic channels to receiving users by the MAC entity according to downlink resources of cells where the cluster data receiving users locate. A group of logic channels, the corresponding RLC entities and the corresponding MAC entity are established for one cluster, so that cluster communication is realized, data of a calling party are distributed to all called parties in the cluster, and data with different contents can be sent to different cells simultaneously.
Description
Technical field
The present invention relates to the trunked communication system technical field, relate in particular to a kind of cluster data transfer method and network equipment.
Background technology
Development along with the communication technology, trunking communicating technology more and more is widely used, such as occasions such as port and pier, subway, public taxi, large-scale physical culture or literature and art race, exhibition, first aids, group system can play the effect of dispatching and command, ensures carrying out smoothly of the work such as various races, exhibition and the disaster relief.
Present trunked communication system is based on the Generation Mobile Telecommunication System technical development, and namely the GSM technology has realized trunking communicating technology is dissolved into public mobile communication network, and cluster communication service is integrated on the mobile phone.
Cluster communication service is that a kind of half-duplex bidirectional is professional, is characterized in grouping busy, and perhaps group calling, once business can comprise a plurality of users, these users are called as group.When initiating group calling, system side will be set up corresponding up-downgoing resource for this group when rising in the group exhaled user's (hereinafter referred is the calling subscriber), and by other user's (hereinafter referred is the called subscriber) in the beep-page message notice group.Wherein the calling subscriber has right of speech and enjoys separately group's ascending resource, and shares group's downlink resource with the called subscriber.The called subscriber need to just can have right of speech and convert the calling subscriber to by certain right of speech preemption mechanism.
Ubiquitous business is group-calling service in the group system, that is to say, the calling subscriber adopts the PTT button to speak, the content of speaking converts speech data to and is sent to system side by up private resource, and by system side speech data is multicast to each called subscriber in the group by descending shared resource.
In addition, system side also is responsible for processing calling subscriber's up-downgoing signaling data and called subscriber's downlink signaling data.For calling subscriber's downlink signaling data, only need to issue from residential quarter, calling subscriber place; And for called subscriber's downlink signaling data, may need from specific cell to issue, may need also that each residential quarter all issues in group's scope.
Hereinafter with the above-mentioned calling subscriber's of comprising downlink signaling data need to be referred to as from the signaling data that specific cell issues the relevant signaling data in residential quarter, and need to be referred to as from the signaling data that each residential quarter in group's scope all issues the irrelevant signaling data in residential quarter with above-mentioned.
Maturation along with the 3G (Third Generation) Moblie technology, trunked communication system also will evolve to the system that adopts 3G technology, such as the many toes of time division synchronous code division (TD-SCDMA) system and the many toes of wideband code division (WCDMA) system etc., but the present scheme that does not also realize trunking communication based on the 3G (Third Generation) Moblie technology.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of cluster data transfer method and network equipment, can realize trunking communication based on the 3G (Third Generation) Moblie technology.
For solving the problems of the technologies described above, a kind of cluster data transfer method of the present invention comprises:
When setting up group service, wireless access network is that group sets up one group of logic channel and the Radio Link corresponding with logic channel control (RLC) entity, and sets up media access control (MAC) entity for group;
The MAC entity is dispatched logic channel, and the RLC entity is put into logic channel according to the scheduling of MAC entity with the cluster data;
The MAC entity sends to the reception user by the downlink resource of the residential quarter, reception user place of cluster data with the cluster data on the logic channel.
Further, the MAC entity is dispatched logic channel, and the RLC entity is put into logic channel with the cluster data and comprised according to the scheduling of MAC entity:
The MAC entity, triggers the RLC entity cluster data that needs send to each residential quarter in the group is put into logic channel according to the MAC ability of group according to the priority of logic channel.
Further, logic channel comprises: group's dedicated data channel and group's Dedicated Control Channel;
The MAC entity is the logic channel according to the priority selection scheduling of logic channel, and according to the MAC ability of group, RLC entity corresponding to group's dedicated data channel that triggers in the logic channel of scheduling put into group's dedicated data channel with the business datum in the group data; RLC entity corresponding to group's Dedicated Control Channel that triggers in the logic channel of dispatching put into group's Dedicated Control Channel with the signaling data that needs in the group data to be carried on group's Dedicated Control Channel.
The cluster data that further, need to send to each residential quarter in the group are different data;
Triggering RLC entity corresponding to group's Dedicated Control Channel in the logic channel of scheduling puts into group's Dedicated Control Channel and comprise needing to be carried on signaling data on group's Dedicated Control Channel in the group data: the MAC entity is respectively for each residential quarter of group, group's Dedicated Control Channel according to the priority selection scheduling of group's Dedicated Control Channel, MAC ability according to group, trigger the RLC entity corresponding to group's Dedicated Control Channel of scheduling, be carried on as required the priority of signaling data of each residential quarter of group's Dedicated Control Channel, signaling data put into group's Dedicated Control Channel of scheduling.
Further, group's Dedicated Control Channel comprises: group's Dedicated Control Channel 1 (TDCCH1) and group's Dedicated Control Channel 2 (TDCCH2); Signaling data comprises the irrelevant signaling data of signaling data and residential quarter that the residential quarter is relevant;
The MAC entity is that the signaling data that the calling subscriber in the corresponding RLC entity of the triggering signaling data that the residential quarter is relevant is correlated with is put into TDCCH2 or TDCCH1; And the irrelevant signaling data of signaling data and residential quarter that the called subscriber in the signaling data that the residential quarter is relevant is correlated with is put into TDCCH1.
Further, the MAC entity sends to the reception user with the cluster data on the logic channel and comprises by the downlink resource of the residential quarter, reception user place of cluster data:
The MAC entity sends to the calling subscriber with the downlink resource of the signaling data on the TDCCH2 by residential quarter, calling subscriber place, and the business datum on the dedicated data channel is sent to called subscriber in the residential quarter, calling subscriber place; And,
Signaling data on the TDCCH1 and the business datum downlink resource by each residential quarter outside the residential quarter, calling subscriber place in group's scope is sent to called subscriber in each residential quarter outside the residential quarter, calling subscriber place.
Further, signaling data and the speech data when not satisfying the MAC ability of each residential quarter calling subscriber place residential quarter outside of MAC entity on TDCCH1, also trigger the signaling data that corresponding RLC entity is correlated with the called subscriber of each residential quarter outside the residential quarter, calling subscriber place respectively and put into TDCCH1, and send to respectively called subscriber in the respective cell outside the residential quarter, calling subscriber place.
Further, the MAC entity is after the signaling data that the calling subscriber is correlated with is sent, the irrelevant signaling data in residential quarter on the scheduling TDCCH1 sends to the called subscriber in calling subscriber and/or the residential quarter, calling subscriber place, and the speech data on the dedicated data channel sent to called subscriber in the residential quarter, calling subscriber place, and in the residential quarter when irrelevant signaling data and speech data do not satisfy the MAC ability of residential quarter, calling subscriber place, trigger the RLC entity signaling data that the called subscriber of residential quarter, calling subscriber place is correlated with is put into TDCCH1, send to the called subscriber in the residential quarter, calling subscriber place.
The cluster data that further, need to send to residential quarter in the group are identical data;
Triggering RLC entity corresponding to group's Dedicated Control Channel in the logic channel of scheduling puts into group's Dedicated Control Channel and comprise needing to be carried on signaling data on group's Dedicated Control Channel in the group data: the MAC entity is according to group's Dedicated Control Channel of the priority selection scheduling of group's Dedicated Control Channel, MAC ability according to group, RLC entity corresponding to group's Dedicated Control Channel that triggers scheduling is carried on the priority of the signaling data on group's Dedicated Control Channel of scheduling as required, signaling data put into group's Dedicated Control Channel of scheduling.
Further, the MAC entity sends to the reception user with the cluster data on the logic channel and comprises by the downlink resource of the residential quarter, reception user place of cluster data:
The MAC entity is by the downlink resource of each residential quarter in the group, and the signaling data in the business datum in group's dedicated data channel and the group's Dedicated Control Channel is sent to respectively calling subscriber and/or called subscriber in each residential quarter.
Further, a kind of network equipment comprises: Radio Link control (RRC) entity, the Radio Link corresponding with logic channel are controlled media access control (MAC) entity of (RLC) entity and group, wherein:
The RRC entity is used for when setting up group service, for group sets up one group of logic channel and the RLC entity corresponding with logic channel, and sets up the MAC entity for group;
The MAC entity is used for logic channel is dispatched, and passes through the downlink resource of the residential quarter, reception user place of cluster data, the cluster data on the logic channel is sent to receive the user
The RLC entity is used for the scheduling according to the MAC entity, and the cluster data are put into logic channel.
Further, the MAC entity is for the priority according to logic channel, according to the MAC ability of group, triggers the RLC entity cluster data that needs send to each residential quarter in the group are put into logic channel.
Further, logic channel comprises: group's dedicated data channel and group's Dedicated Control Channel;
The MAC entity is the logic channel according to the priority selection scheduling of logic channel, and according to the MAC ability of group, RLC entity corresponding to group's dedicated data channel that triggers in the logic channel of scheduling put into group's dedicated data channel with the business datum in the group data; RLC entity corresponding to group's Dedicated Control Channel that triggers in the logic channel of dispatching put into group's Dedicated Control Channel with the signaling data that needs in the group data to be carried on group's Dedicated Control Channel.
The cluster data that further, need to send to each residential quarter in the group are different data;
The MAC entity is for respectively for each residential quarter in the group, group's Dedicated Control Channel according to the priority selection scheduling of group's Dedicated Control Channel, MAC ability according to group, trigger the RLC entity corresponding to group's Dedicated Control Channel of scheduling, be carried on as required the priority of signaling data of each residential quarter of group's Dedicated Control Channel, signaling data put into group's Dedicated Control Channel of scheduling.
The cluster data that further, need to send to residential quarter in the group are identical data;
The MAC entity is for the group's Dedicated Control Channel according to the priority selection scheduling of group's Dedicated Control Channel, MAC ability according to group, RLC entity corresponding to group's Dedicated Control Channel that triggers scheduling is carried on the priority of the signaling data on group's Dedicated Control Channel of scheduling as required, signaling data put into group's Dedicated Control Channel of scheduling.
In sum, the present invention is one group of logic channel of a group creating and corresponding RLC entity thereof, and corresponding MAC entity, realizes trunking communication, calling subscriber's Data dissemination to all called subscribers in the group, and can be sent the data of different content simultaneously toward different districts.
Description of drawings
Fig. 1 embodiment of the invention cluster flow chart of data processing schematic diagram;
Fig. 2 embodiment of the invention MAC-t entities scheduling strategy schematic diagram;
Fig. 3 embodiment of the invention MAC-t entity is simplified the scheduling strategy schematic diagram.
Embodiment
The method of the cluster transfer of data of present embodiment may further comprise the steps:
Step 1, when setting up group service, wireless access network is set up one group of logic channel and Radio Link control (RLC) entity corresponding with logic channel for each group, and sets up a media access control MAC entity;
The MAC entity can be media access control-cluster (MAC-t) entity.
Step 2, wireless access network receive the data of calling subscriber's up direction, carry out dissection process by the MAC-t entity, and put into logic channel and upload to core net;
The data of calling subscriber's up direction comprise business datum and the signaling datas such as speech data.
Step 3, the wireless access network down direction sends the data to the RLC entity, and put into logic channel after according to the scheduling of MAC-t entity Data Segmentation being become RLC PDU, the downlink resource of the residential quarter, reception user place by the cluster data sends to the cluster data on the logic channel and receives the user.
Receiving the user is calling subscriber and/or the called subscriber in all or part of residential quarter in group's scope.
The MAC entity, triggers the RLC entity cluster data that needs send to each residential quarter in the group is put into logic channel according to the MAC ability of group according to the priority of logic channel.Logic channel comprises: group's dedicated data channel and group's Dedicated Control Channel; The MAC entity is the logic channel according to the priority selection scheduling of logic channel, and according to the MAC ability of group, RLC entity corresponding to group's dedicated data channel that triggers in the logic channel of scheduling put into group's dedicated data channel with the business datum in the group data; RLC entity corresponding to group's Dedicated Control Channel that triggers in the logic channel of dispatching put into group's Dedicated Control Channel with the signaling data that needs in the group data to be carried on group's Dedicated Control Channel.
The cluster data that need to send to each residential quarter in the group can be different data; RLC entity corresponding to the group's Dedicated Control Channel in the logic channel of MAC entity triggers scheduling put into group's Dedicated Control Channel and comprised needing to be carried on signaling data on group's Dedicated Control Channel in the group data: the MAC entity is respectively for each residential quarter of group, group's Dedicated Control Channel according to the priority selection scheduling of group's Dedicated Control Channel, MAC ability according to group, trigger the RLC entity corresponding to group's Dedicated Control Channel of scheduling, be carried on as required the priority of signaling data of each residential quarter of group's Dedicated Control Channel, signaling data put into group's Dedicated Control Channel of scheduling.
Group's Dedicated Control Channel comprises: group's Dedicated Control Channel 1 (TDCCH1) and group's Dedicated Control Channel 2 (TDCCH2); Signaling data comprises the irrelevant signaling data of signaling data and residential quarter that the residential quarter is relevant; The MAC entity is that the signaling data that the calling subscriber in the corresponding RLC entity of the triggering signaling data that the residential quarter is relevant is correlated with is put into TDCCH2 or TDCCH1; And the irrelevant signaling data of signaling data and residential quarter that the called subscriber in the signaling data that the residential quarter is relevant is correlated with is put into TDCCH1.
The cluster data that need to send to residential quarter in the group can be identical data; RLC entity corresponding to the group's Dedicated Control Channel in the logic channel of MAC entity triggers scheduling put into group's Dedicated Control Channel and comprised needing to be carried on signaling data on group's Dedicated Control Channel in the group data: the MAC entity is according to group's Dedicated Control Channel of the priority selection scheduling of group's Dedicated Control Channel, MAC ability according to group, RLC entity corresponding to group's Dedicated Control Channel that triggers scheduling is carried on the priority of the signaling data on group's Dedicated Control Channel of scheduling as required, signaling data put into group's Dedicated Control Channel of scheduling.The MAC entity is by the downlink resource of each residential quarter in the group, and the signaling data in the business datum in group's dedicated data channel and the group's Dedicated Control Channel is sent to respectively calling subscriber and/or called subscriber in each residential quarter.
Wireless access network comprises at least one radio network controller (RNC) and/or at least one Node B (NodeB).
The MAC-t entity mainly comprises and is not limited to following function: logic channel is to the mapping of transmission channel, and C/T is multiplexing, descending scheduling and processed, and the downlink data distribution, logic channel is multiplexing, priority setting and encryption and decryption etc.
MAC-t entity up direction can use media access control-special use (MAC-d) entity to replace.
Logic channel mainly comprises and is not limited to: group's Dedicated Control Channel and group's dedicated data channel, wherein, group's Dedicated Control Channel is mainly carried the irrelevant signaling data of the relevant signaling data in residential quarter and residential quarter, and group's dedicated data channel is mainly carried the business datums such as group's voice.
The RLC entity is put into logic channel after according to certain priority orders downlink data being divided into rlc protocol data cell (PDU).
Transmission channel mainly comprises and is not limited to: dedicated channel (DCH), high speed descending sharing channel (HS-DSCH) strengthens dedicated channel (E-DCH) and forward access channel (FACH).
The descending scheduling of MAC-t entity and processed comprise that MAC-t entity down direction dispatches respectively each logic channel according to the MAC ability of priority of logical channels and group.The MAC ability comprises and is not limited to transmission control gathers (TFCS) ability or (channel quality indication) CQI ability etc.
The descending scheduling of MAC-t entity and processed comprise that also MAC-t entity down direction can be respectively to each logic channel of each cell scheduling in group's scope.
The downlink data distribution of MAC-t entity, comprise that the MAC-t entity signaling data that the residential quarter is relevant issues calling subscriber or called subscriber from related cell, the signaling data copy that the residential quarter is irrelevant is distributed to calling subscriber and/or the called subscriber in group's scope, speech data is sent to each called subscriber from residential quarter, called subscriber place, certainly, the business datum such as speech data also can send to the calling subscriber.
Present embodiment also provides a kind of network equipment, comprising: RRC entity, the RLC entity corresponding with logic channel and the MAC entity of group, wherein:
The RRC entity is used for when setting up group service, for group sets up one group of logic channel and the RLC entity corresponding with logic channel, and sets up the MAC entity for group;
The MAC entity is used for logic channel is dispatched, and passes through the downlink resource of the residential quarter, reception user place of cluster data, the cluster data on the logic channel is sent to receive the user; The MAC entity is for the priority according to logic channel, according to the MAC ability of group, triggers the RLC entity cluster data that needs send to each residential quarter in the group are put into logic channel.
The RLC entity is used for the scheduling according to the MAC entity, and the cluster data are put into logic channel.
Logic channel comprises: group's dedicated data channel and group's Dedicated Control Channel;
The MAC entity is the logic channel according to the priority selection scheduling of logic channel, and according to the MAC ability of group, RLC entity corresponding to group's dedicated data channel that triggers in the logic channel of scheduling put into group's dedicated data channel with the business datum in the group data; RLC entity corresponding to group's Dedicated Control Channel that triggers in the logic channel of dispatching put into group's Dedicated Control Channel with the signaling data that needs in the group data to be carried on group's Dedicated Control Channel.
The cluster data that need to send to each residential quarter in the group are different data;
The MAC entity is for respectively for each residential quarter in the group, group's Dedicated Control Channel according to the priority selection scheduling of group's Dedicated Control Channel, MAC ability according to group, trigger the RLC entity corresponding to group's Dedicated Control Channel of scheduling, be carried on as required the priority of signaling data of each residential quarter of group's Dedicated Control Channel, signaling data put into group's Dedicated Control Channel of scheduling.
The cluster data that need to send to residential quarter in the group are identical data;
The MAC entity is for the group's Dedicated Control Channel according to the priority selection scheduling of group's Dedicated Control Channel, MAC ability according to group, RLC entity corresponding to group's Dedicated Control Channel that triggers scheduling is carried on the priority of the signaling data on group's Dedicated Control Channel of scheduling as required, signaling data put into group's Dedicated Control Channel of scheduling.
The below take transmission channel be dedicated channel (DCH) as example, in conjunction with the process of setting up of cluster multi call speech business present embodiment is elaborated.
Set scene:
Core net CN manages radio network controller (RNC);
Radio network controller (RNC) management residential quarter CELL1, residential quarter CELL2, residential quarter CELL3 all belongs to the GROUP1 of group scope;
The calling subscriber UE1 of the GROUP1 of group resides in residential quarter CELL1, called subscriber UE2, and UE3, UE4 philosophy reside in residential quarter CELL1, residential quarter CELL2 and residential quarter CELL3;
Be illustrated in figure 1 as the flow chart of data processing schematic diagram of the present embodiment, concrete steps are as follows:
The Dedicated Control Channel TDCCH1 of group mainly carries the signaling data that signaling data that the called subscriber is correlated with and part calling subscriber are correlated with, and corresponding RLC entity adopts RLC UM pattern; In addition, TDCCH1 is mapped to transmission channel DCH1;
The Dedicated Control Channel TDCCH2 of group mainly carries the signaling data that the calling subscriber is correlated with, and corresponding RLC entity adopts RLC AM pattern; In addition, TDCCH2 is mapped to transmission channel DCH1, and its priority of logical channels satisfies TDCCH2＞TDCCH1;
The dedicated data channel TDTCH1 of group, TDTCH2 and TDTCH3,3 subflows of voice-bearer data are mapped to respectively transmission channel DCH2, DCH3 and DCH4 respectively;
About physical channel resources, RNC can set up residential quarter CELL1 in group's scope, the physical channel resources of residential quarter CELL2 and residential quarter CELL3 simultaneously; Also can only set up the physical channel resources of calling subscriber place residential quarter CELL1, confirm that by the time residential quarter CELL2 and residential quarter CELL3 set up its corresponding physical channel resources again when the called subscriber is arranged.Wherein, for calling subscriber place residential quarter CELL1, RNC need to set up the up-downgoing resource simultaneously; And for non-calling subscriber place residential quarter CELL2 and residential quarter CELL3, RNC only need to set up downlink resource.
Wherein, in order to save time, RNC can not have to set up the group that just responds the calling subscriber before finishing in system side group resource yet and sets up request, so that the calling subscriber sets up group's resource as early as possible.
If the RNC scope has been crossed over by group, core net passes through each RNC in group's scope with calling subscriber's speech data.
Be illustrated in figure 2 as the MAC-t entity carries out dispatch deal to above-mentioned data schematic diagram, detailed process is as follows:
The 1st TTI:
The MAC-t entity triggers the RLC entity 3 sub-flow points of speech data is not put into logic channel TDTCH1, TDTCH2 and TDTCH3 according to the TFCS ability;
Because priority of logical channels satisfies TDCCH2＞TDCCH1, so the MAC-t entity also triggers the RLC entity calling subscriber's observing and controlling message is divided into RLC PDU and puts into logic channel TDCCH2; Because calling subscriber's observing and controlling message is only relevant with residential quarter CELL1, the MAC-t entity is issued calling subscriber and called subscriber with TDCCH2 data and speech data by the downlink resource of residential quarter CELL1;
Because the resource of residential quarter CELL2 and residential quarter CELL3 is available free, therefore the MAC-t entity can also be divided into ALER message RLC PDU and put into logic channel TDCCH1 according to TFCS ability triggering RLC entity, then TDCCH1 and speech data is copied the called subscriber who sends to residential quarter CELL2 and residential quarter CELL3.
Can know the maximum amount of data that can send in the residential quarter according to TFCS.
The 2nd TTI:
Suppose that RNC receives new speech data from core net; And calling subscriber's observing and controlling message of hypothesis RLC splitting object do not distribute, and perhaps also has newly-generated message to send from TDCCH2; The ALER message of supposing simultaneously the RLC splitting object does not distribute yet;
Equally, the MAC-t entity triggers the RLC entity 3 sub-flow points of speech data is not put into logic channel TDTCH1, TDTCH2 and TDTCH3 according to the TFCS ability;
For residential quarter CELL1, the MAC-t entity also triggers the RLC entity will be cut apart but not distribute or the RLC PDU newly cut apart puts into logic channel TDCCH2, simultaneously TDCCH2 and speech data be sent out respectively to calling subscriber and called subscriber by the downlink resource of residential quarter CELL1;
For residential quarter CELL2 and residential quarter CELL3, the MAC-t entity triggers according to the TFCS ability that the RLC entity will be cut apart but the RLC PDU of the ALER message that do not distribute puts into logic channel TDCCH1, if these data still do not satisfy the TFCS ability, then trigger the RLC entity called subscriber's observing and controlling information of residential quarter CELL2 and residential quarter CELL3 also is divided into RLC PDU and puts into TDCCH1; Therefore, for residential quarter CELL2, the ALER message of MAC-t entities scheduling TDCCH1, called subscriber's observing and controlling message of residential quarter CELL2 and speech data are also issued the called subscriber by the downlink resource of residential quarter CELL2; For residential quarter CELL3, the ALER message of MAC-t entities scheduling TDCCH1, called subscriber's observing and controlling message of residential quarter CELL3 and speech data are also issued the called subscriber by the downlink resource of residential quarter CELL3;
The 3rd TTI:
Suppose that RNC receives new speech data from core net; And there are not data to send from TDCCH2 in the hypothesis buffer memory; The ALER message of supposing simultaneously the RLC splitting object distributes on residential quarter CELL2 and residential quarter CELL3, and called subscriber's observing and controlling message of residential quarter CELL2 and residential quarter CELL3 is all cut apart but also do not distributed:
Equally, the MAC-t entity triggers the RLC entity 3 sub-flow points of speech data is not put into logic channel TDTCH1, TDTCH2 and TDTCH3 according to the TFCS ability;
For residential quarter CELL1, the MAC-t entity sends to calling subscriber and called subscriber according to the downlink resource of the ALER message data of having cut apart on the TFCS ability scheduling TDCCH1 by residential quarter CELL1, and speech data is issued the called subscriber;
For residential quarter CELL2, the MAC-t entity triggers according to the TFCS ability that the RLC entity will be cut apart but called subscriber's observing and controlling message of the residential quarter CELL2 that do not distribute is put into TDCCH1, and issues the called subscriber by the downlink resource of residential quarter CELL2 together with speech data;
For residential quarter CELL3, the MAC-t entity triggers according to the TFCS ability that the RLC entity will be cut apart but called subscriber's observing and controlling message of the residential quarter CELL3 that do not distribute is put into TDCCH1, and issues the called subscriber by the downlink resource of residential quarter CELL3 together with speech data.
The 4th TTI:
Suppose that RNC receives new speech data from core net; And there are not data to send from TDCCH2 in the hypothesis buffer memory; The ALER message of supposing simultaneously the RLC splitting object distributes on residential quarter CELL2 and residential quarter CELL3, and called subscriber's observing and controlling message of residential quarter CELL2 and residential quarter CELL3 all distributes;
Equally, the MAC-t entity triggers the RLC entity 3 sub-flow points of speech data is not put into logic channel TDTCH1, TDTCH2 and TDTCH3 according to the TFCS ability;
For residential quarter CELL1, the MAC-t entity is according to having cut apart on the TFCS ability scheduling TDCCH1 but the ALER message data that this residential quarter does not distribute, if also do not satisfy the TFCS ability, then trigger the RLC entity called subscriber's observing and controlling information of residential quarter CELL1 is divided into RLC PDU and puts into TDCCH1, and issue the called subscriber by the downlink resource of residential quarter CELL1 together with speech data;
For residential quarter CELL2 and residential quarter CELL3, owing to there not being signaling data to need to send, the MAC-t entity sends to the called subscriber of residential quarter CELL2 and residential quarter CELL3 according to TFCS ability schedule voice data and copy.
The 5th TTI:
Suppose that RNC receives new speech data from core net; And there are not data to send from TDCCH2 in the hypothesis buffer memory; Suppose that simultaneously the ALER message of RLC splitting object at residential quarter CELL1, distributes on residential quarter CELL2 and the residential quarter CELL3, called subscriber's observing and controlling message of residential quarter CELL1 does not also distribute;
Equally, the MAC-t entity triggers the RLC entity 3 sub-flow points of speech data is not put into logic channel TDTCH1, TDTCH2 and TDTCH3 according to the TFCS ability;
For residential quarter CELL1, the MAC-t entity triggers according to the TFCS ability that the RLC entity will be cut apart but this residential quarter called subscriber's observing and controlling message data of not distributing is put into TDCCH1, and data and the speech data of TDCCH1 are issued the called subscriber by the downlink resource of residential quarter CELL1;
For residential quarter CELL2 and residential quarter CELL3, owing to there not being signaling data to need to send, the MAC-t entity sends to the called subscriber of residential quarter CELL2 and residential quarter CELL3 according to TFCS ability schedule voice data and copy.
The 6th TTI:
Suppose that RNC receives new speech data from core net; And there is not signaling data to need to send in the hypothesis current cache;
Equally, the MAC-t entity triggers the RLC entity 3 sub-flow points of speech data is not put into logic channel TDTCH1, TDTCH2 and TDTCH3 according to the TFCS ability;
Because do not have signaling data to need to send, the MAC-t entity sends to residential quarter CELL1, the called subscriber of residential quarter CELL2 and residential quarter CELL3 with the speech data copy.
The rest may be inferred, for each TTI, the MAC-t entity is dispatched each logic channel according to priority of logical channels and TFCS ability and is triggered corresponding RLC entity RLC PDU is put into logic channel, and issues calling subscriber or the called subscriber of each residential quarter by the downlink resource of each residential quarter of needing in group's scope to send; If the data that exist the residential quarter to issue in group's scope do not satisfy the TFCS ability, the MAC-t entity dispatch each logic channel according to priority of logical channels and TFCS ability equally and trigger corresponding RLC entity also the RLC PDU that sends of this residential quarter of needs put into logic channel, and issue calling subscriber or the called subscriber of this residential quarter by the downlink resource of this residential quarter.
In addition, the scheduling strategy of above-mentioned MAC-t entity also can carry out various simplification, and above-mentioned steps 160 can be simplified as shown in Figure 3, and detailed process is as follows:
The 1st TTI:
The MAC-t entity triggers the RLC entity 3 sub-flow points of speech data is not put into logic channel TDTCH1, TDTCH2 and TDTCH3 according to the TFCS ability;
And trigger the RLC entity calling subscriber's observing and controlling message is divided into RLC PDU and puts into logic channel TDCCH2, and the data of TDCCH2 and speech data copy are sent to calling subscriber or the called subscriber of residential quarter CELL1, residential quarter CELL2 and residential quarter CELL3, wherein the called subscriber can ignore the data of TDCCH2;
The 2nd TTI:
Suppose that RNC receives new speech data from core net; And calling subscriber's observing and controlling message of hypothesis RLC splitting object do not distribute, and perhaps also has newly-generated message to send from TDCCH2:
Equally, the MAC-t entity triggers the RLC entity 3 sub-flow points of speech data is not put into logic channel TDTCH1, TDTCH2 and TDTCH3 according to the TFCS ability;
And trigger the RLC entity and will cut apart but do not distribute or the RLC PDU newly cut apart puts into logic channel TDCCH2, and the data of TDCCH2 and speech data copy are sent to residential quarter CELL1, the calling subscriber of residential quarter CELL2 and residential quarter CELL3 or called subscriber, wherein the called subscriber can ignore the data of TDCCH2;
The 3rd TTI:
Suppose that RNC receives new speech data from core net; And do not have data to send from TDCCH2 in the hypothesis buffer memory:
Equally, the MAC-t entity triggers the RLC entity 3 sub-flow points of speech data is not put into logic channel TDTCH1, TDTCH2 and TDTCH3 according to the TFCS ability;
And trigger the RLC entity ALER message is divided into RLC PDU and puts into logic channel TDCCH1, and data and the speech data copy of TDCCH1 sent to residential quarter CELL1, calling subscriber or the called subscriber of residential quarter CELL2 and residential quarter CELL3;
The 4th TTI:
Suppose that RNC receives new speech data from core net; And there are not data to send from TDCCH2 in the hypothesis buffer memory; The ALER message of supposing simultaneously the RLC splitting object does not also distribute:
Equally, the MAC-t entity triggers the RLC entity 3 sub-flow points of speech data is not put into logic channel TDTCH1, TDTCH2 and TDTCH3 according to the TFCS ability;
And trigger that the RLC entity will be cut apart but the ALER message data that do not distribute is put into logic channel TDCCH1, and data and the speech data copy of TDCCH1 sent to residential quarter CELL1, calling subscriber or the called subscriber of residential quarter CELL2 and residential quarter CELL3;
The 5th TTI:
Suppose that RNC receives new speech data from core net; And there are not data to send from TDCCH2 in the hypothesis buffer memory; The ALER message of supposing simultaneously the RLC splitting object distributes:
Equally, the MAC-t entity triggers the RLC entity 3 sub-flow points of speech data is not put into logic channel TDTCH1, TDTCH2 and TDTCH3 according to the TFCS ability;
And trigger the RLC entity respectively with residential quarter CELL1, called subscriber's observing and controlling message of residential quarter CELL2 and residential quarter CELL3 is divided into RLC PDU and puts into logic channel TDCCH1, and the RLC PDU that residential quarter CELL1 is relevant and the speech data called subscriber that issues residential quarter CELL1; Then the called subscriber that the RLC PDU that residential quarter CELL2 is correlated with and speech data are issued residential quarter CELL2; The called subscriber that the RLC PDU that at last residential quarter CELL3 is correlated with and speech data are issued residential quarter CELL3;
The 6th TTI:
Suppose that RNC receives new speech data from core net; And there are not data to send from TDCCH2 in the hypothesis buffer memory; The ALER message of supposing simultaneously the RLC splitting object distributes, and called subscriber's observing and controlling message of residential quarter CELL1, residential quarter CELL2 and residential quarter CELL3 does not all also distribute:
Equally, the MAC-t entity triggers the RLC entity 3 sub-flow points of speech data is not put into logic channel TDTCH1, TDTCH2 and TDTCH3 according to the TFCS ability;
And trigger that the RLC entity will be cut apart respectively but called subscriber's observing and controlling message data of the residential quarter CELL1 that do not distribute, called subscriber's observing and controlling message data of called subscriber's observing and controlling message data of residential quarter CELL2 and residential quarter CELL3 is put into logic channel TDCCH1, and the RLC PDU that residential quarter CELL1 is relevant and the speech data called subscriber that sends to residential quarter CELL1; Then the called subscriber that the RLCPDU that residential quarter CELL2 is closed and speech data send to residential quarter CELL2; The called subscriber that the RLC PDU that at last residential quarter CELL3 is correlated with and speech data send to residential quarter CELL3;
The 7th TTI supposes that RNC receives new speech data from core net; And do not have signaling data to need to send in the hypothesis buffer memory:
Equally, the MAC-t entity triggers the RLC entity 3 sub-flow points of speech data is not put into logic channel TDTCH1, TDTCH2 and TDTCH3 according to the TFCS ability; And speech data copy issued residential quarter CELL1, the called subscriber of residential quarter CELL2 and residential quarter CELL3.
The rest may be inferred, and those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (15)
1. cluster data transfer method comprises:
When setting up group service, wireless access network is that group sets up one group of logic channel and Radio Link control (RLC) entity corresponding with described logic channel, and sets up media access control (MAC) entity for described group;
Described MAC entity is dispatched described logic channel, and described RLC entity is put into described logic channel according to the scheduling of described MAC entity with the cluster data;
Described MAC entity sends to described reception user by the downlink resource of the residential quarter, reception user place of described cluster data with the cluster data on the described logic channel.
2. the method for claim 1 is characterized in that, described MAC entity is dispatched described logic channel, and described RLC entity is put into described logic channel with the cluster data and comprised according to the scheduling of described MAC entity:
Described MAC entity, triggers described RLC entity the cluster data that needs send to each residential quarter in the group is put into described logic channel according to the MAC ability of group according to the priority of described logic channel.
3. method as claimed in claim 2 is characterized in that:
Described logic channel comprises: group's dedicated data channel and group's Dedicated Control Channel;
Described MAC entity is the logic channel according to the priority selection scheduling of described logic channel, and according to the MAC ability of group, RLC entity corresponding to group's dedicated data channel that triggers in the logic channel of described scheduling put into described group dedicated data channel with the business datum in the described group data; RLC entity corresponding to group's Dedicated Control Channel that triggers in the logic channel of described scheduling put into described group Dedicated Control Channel with the signaling data that needs in the described group data to be carried on the described group Dedicated Control Channel.
4. method as claimed in claim 3 is characterized in that:
The cluster data that described needs send to each residential quarter in the group are different data;
RLC entity corresponding to the group's Dedicated Control Channel in the logic channel of the described scheduling of described triggering put into described group Dedicated Control Channel and comprised needing to be carried on signaling data on the described group Dedicated Control Channel in the described group data: described MAC entity is respectively for each residential quarter of group, group's Dedicated Control Channel according to the priority selection scheduling of described group Dedicated Control Channel, MAC ability according to group, trigger the RLC entity corresponding to group's Dedicated Control Channel of described scheduling, be carried on as required the priority of signaling data of each residential quarter of described group Dedicated Control Channel, signaling data put into group's Dedicated Control Channel of described scheduling.
5. method as claimed in claim 4 is characterized in that:
Described group Dedicated Control Channel comprises: group's Dedicated Control Channel 1 (TDCCH1) and group's Dedicated Control Channel 2 (TDCCH2); Described signaling data comprises the irrelevant signaling data of signaling data and residential quarter that the residential quarter is relevant;
Described MAC entity is that the signaling data that the calling subscriber in the corresponding RLC entity of the triggering signaling data that described residential quarter is relevant is correlated with is put into described TDCCH2 or described TDCCH1; And the irrelevant signaling data of signaling data and residential quarter that the called subscriber in the signaling data that described residential quarter is relevant is correlated with is put into described TDCCH1.
6. method as claimed in claim 5 is characterized in that, described MAC entity sends to described reception user with the cluster data on the described logic channel and comprises by the downlink resource of the residential quarter, reception user place of described cluster data:
Described MAC entity sends to described calling subscriber with the downlink resource of the signaling data on the described TDCCH2 by residential quarter, described calling subscriber place, and the business datum on the described dedicated data channel is sent to called subscriber in the residential quarter, calling subscriber place; And,
Signaling data on the described TDCCH1 and the described business datum downlink resource by each residential quarter outside the residential quarter, calling subscriber place in group's scope is sent to called subscriber in each residential quarter outside the residential quarter, described calling subscriber place.
7. method as claimed in claim 6 is characterized in that:
Signaling data and the described speech data when not satisfying the MAC ability of each residential quarter described calling subscriber place residential quarter outside of described MAC entity on described TDCCH1, also trigger the signaling data that corresponding RLC entity is correlated with the called subscriber of each residential quarter outside the residential quarter, described calling subscriber place respectively and put into described TDCCH1, and send to respectively called subscriber in the respective cell outside the residential quarter, described calling subscriber place.
8. method as claimed in claim 7 is characterized in that:
Described MAC entity is after the signaling data that described calling subscriber is correlated with is sent, dispatch the irrelevant signaling data in residential quarter on the described TDCCH1 and send to called subscriber in calling subscriber and/or the residential quarter, calling subscriber place, and the speech data on the described dedicated data channel sent to called subscriber in the residential quarter, described calling subscriber place, and in described residential quarter when irrelevant signaling data and described speech data do not satisfy the MAC ability of residential quarter, calling subscriber place, trigger described RLC entity the signaling data that the called subscriber of residential quarter, described calling subscriber place is correlated with is put into described TDCCH1, send to the called subscriber in the residential quarter, described calling subscriber place.
9. method as claimed in claim 3 is characterized in that:
The cluster data that described needs send to residential quarter in the group are identical data;
RLC entity corresponding to the group's Dedicated Control Channel in the logic channel of the described scheduling of described triggering put into described group Dedicated Control Channel and comprised needing to be carried on signaling data on the described group Dedicated Control Channel in the described group data: described MAC entity is according to group's Dedicated Control Channel of the priority selection scheduling of described group Dedicated Control Channel, MAC ability according to group, RLC entity corresponding to group's Dedicated Control Channel that triggers described scheduling is carried on the priority of the signaling data on group's Dedicated Control Channel of described scheduling as required, signaling data put into group's Dedicated Control Channel of described scheduling.
10. method as claimed in claim 9 is characterized in that, described MAC entity sends to described reception user with the cluster data on the described logic channel and comprises by the downlink resource of the residential quarter, reception user place of described cluster data:
Described MAC entity is by the downlink resource of each residential quarter in the described group, and the signaling data in the business datum in the described group dedicated data channel and the described group Dedicated Control Channel is sent to respectively calling subscriber and/or called subscriber in each residential quarter.
11. a network equipment comprises: Radio Link control (RRC) entity, the Radio Link corresponding with logic channel are controlled media access control (MAC) entity of (RLC) entity and group, wherein:
Described RRC entity is used for for group sets up one group of logic channel and the RLC entity corresponding with described logic channel, and setting up the MAC entity for described group when setting up group service;
Described MAC entity is used for described logic channel is dispatched, and the downlink resource of the residential quarter, reception user place by described cluster data, and the cluster data on the described logic channel are sent to described reception user
Described RLC entity is used for the scheduling according to described MAC entity, and the cluster data are put into described logic channel.
12. network equipment as claimed in claim 11 is characterized in that:
Described MAC entity is for the priority according to described logic channel, according to the MAC ability of group, triggers described RLC entity the cluster data that needs send to each residential quarter in the group are put into described logic channel.
13. network equipment as claimed in claim 12 is characterized in that:
Described logic channel comprises: group's dedicated data channel and group's Dedicated Control Channel;
Described MAC entity is the logic channel according to the priority selection scheduling of described logic channel, and according to the MAC ability of group, RLC entity corresponding to group's dedicated data channel that triggers in the logic channel of described scheduling put into described group dedicated data channel with the business datum in the described group data; RLC entity corresponding to group's Dedicated Control Channel that triggers in the logic channel of described scheduling put into described group Dedicated Control Channel with the signaling data that needs in the described group data to be carried on the described group Dedicated Control Channel.
14. network equipment as claimed in claim 13 is characterized in that:
The cluster data that described needs send to each residential quarter in the group are different data;
Described MAC entity is for respectively for each residential quarter in the group, group's Dedicated Control Channel according to the priority selection scheduling of described group Dedicated Control Channel, MAC ability according to group, trigger the RLC entity corresponding to group's Dedicated Control Channel of described scheduling, be carried on as required the priority of signaling data of each residential quarter of described group Dedicated Control Channel, signaling data put into group's Dedicated Control Channel of described scheduling.
15. network equipment as claimed in claim 13 is characterized in that:
The cluster data that described needs send to residential quarter in the group are identical data;
Described MAC entity is for the group's Dedicated Control Channel according to the priority selection scheduling of described group Dedicated Control Channel, MAC ability according to group, RLC entity corresponding to group's Dedicated Control Channel that triggers described scheduling is carried on the priority of the signaling data on group's Dedicated Control Channel of described scheduling as required, signaling data put into group's Dedicated Control Channel of described scheduling.
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| CN113301608A (en) * | 2020-02-24 | 2021-08-24 | 大唐移动通信设备有限公司 | Method for transmitting cluster voice service and network side equipment |
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