CN101179476B - Method, device and system for transmitting MBMS service using HSDPA - Google Patents
Method, device and system for transmitting MBMS service using HSDPA Download PDFInfo
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Abstract
The invention provides a method, a device and a system for transmitting an MBMS service by using an HSDPA. The MBMS data channel is added between a MAX-c/sh/m entity and a MAC-hs entity on a UE side, and the MAC-hs entity on the UTRAN side transmits the MBMS data from high level corresponding to the UTRAN side to the MAC-hs entity on the UE side in the way of the HSDPA data transmission; the MAC-hs entity of the UE side transmits the received MBMS data to the MAC-c/sh/m of the UE side through the MBMS data channel; the MAC-c/sh/m entity transmits the MBMS data to the high level corresponding to the UE side through the MBMS data channel. The invention is able to improve the transmission speed of the MBMS and lightens load of system.
Description
Technical field
The present invention relates to the communications field, relate in particular to method, Apparatus and system that a kind of HSDPA of utilization transmits the MBMS business.
Background technology
In third generation collaborative project (3GPP, 3
RdGeneration Partnership Project) introduces high speed downlink packet among the system Release5 and insert (HSDPA, High Speed Downlink Package Access) technology is that HSDPA has been proved to be the scope of application very widely for the throughput that increases system and the network ability to the data service bearer.From the angle of operator, wish that HSDPA can carry more eurypalynous business; And multimedia broadcast-multicast service (MBMS, Multimedia Broadcast MulticastService) is the very interested trafficwise of a kind of operator.
Following elder generation simply introduces HSDPA, MBMS technology respectively, introduces the method that sends the MBMS business on HSDPA that has now then.
One, about the HSDPA technology:
In order to satisfy growing demand to the HRPD (high rate packet data) access service, 3GPP Rel5 has introduced the HSDPA technology, by adopting adaptive modulation and coding (AMC, Adaptive Modulation andCoding), mix automatic repeat requests (HARQ, Hybrid Automatic Repeat Request) technology, introduce high order modulation (as 16QAM), and increased medium access control high speed downlink packet in base station side and inserted entity (MAC-hs, Medium Access Control for HSDPA), as shown in Figure 1, the fast dispatch that is used for data can obtain higher user's peak rate and cell data throughput.
Because the characteristics of HSDPA technology and the needs of transmission, the HSDPA of Time Division-Synchronous Code Division Multiple Access (TD-SCDMA, Time-Division Synchronization Code Division-Multiple-Access) system has increased a transfer channel and three physical channels.Newly-increased transfer channel is high speed descending sharing channel (HS-DSCH, High Speed Down-link Shared Channel), three physical channels are respectively high-speed physical downlink shared channel (HS-PDSCH) (HS-PDSCH, High Speed Physical Downlink SharedChannel), shared control channel (HS-SCCH, Shared Control Channel for HS-DSCH), share indicating channel (HS-SICH, Shared Information Channel for HS-DSCH).The channel of the HSDPA of Frequency Division Duplexing (FDD) (FDD:Frequency Division Duplex) system is slightly different, is that example describes with the TD-SCDMA system only here.HS-PDSCH wherein, HS-SCCH is a down channel, HS-SICH is a up channel.HS-PDSCH is come by transfer channel HS-DSCH mapping.HS-SCCH is used for transmitting control HS-PDSCH information, and all Downlink Control Information all transmit on HS-SCCH.HS-SICH is the feedback information that is used for transmitting UE, comprises channel quality indication (CQI:Channel Quality Indicator), replys/wrong responses (ACK/NACK, Acknowledgement/Negative Acknowledgement) etc.The coding of HS-SICH mapping flow process as shown in Figure 2, wherein HS-PDSCH only is used for transmitting data.
Two, about the MBMS technology:
The MBMS technology is in order to utilize interface-free resources more efficiently, to send identical data to a plurality of users simultaneously.It is by a plurality of sub-districts of the unified control of RNC, and a kind of MBMS business is only distributed a Radio Resource carrying.To with point-to-multipoint (PTM, Point To Multipoint) the MBMS business that mode is carried, whether the increase of UE or not the sub-district consumption of resource.
Needs according to the MBMS business, MBMS has increased a physical channel and three logic channels newly, they are respectively physical channel point-to-multipoint notification instruction channel (MICH, MBMS point-to-multipointIndicator Channel) and logic channel point-to-multipoint control channel (MCCH, MBMSpoint-to-multipoint Control Channel), point multipoint message traffic channel (MTCH, MBMSpoint-to-multipoint Traffic Channel) and point-to-multipoint scheduling channel (MSCH, MBMSpoint-to-multipoint Scheduling Channel), relation is illustrated in fig. 3 shown below.Wherein MCCH, MTCH, MSCH are mapped on the transfer channel forward access channel (FACH, Forward AccessChannel).MCCH transmits MBMS related service message.UE monitors with triggering MICH and reads MCCH, obtains the relevant information of MBMS.MSCH transmits the MBMS schedule information, dispatches certain business and when begins when to finish.MTCH carrying MBMS business datum.
Three, the existing method of transmission MBMS business is described in detail as follows on HSDPA:
As shown in Figure 4, concern schematic diagram for channel Mapping.As can be seen from the figure existing method is that MTCH is mapped on the HS-DSCH, and other channel Mapping relations are constant.
Concrete implementation is: at MBMS traffic assignments HS-DSCH Radio Network Temporary Identifier (H-RNTI, HS-DSCH Radio Network Temporary Identifier), the UE that promptly receives same MBMS business distributes same H-RNTI, and receives same HS-DSCH by receiving same HS-SCCH.Use minimum HSDPA modulation and coded combination (MCS, Modulation andCoding Scheme) grade to guarantee the reception of all UE, do not use feedback mechanism.Because carrying MBMS business macro diversity merges will become very complicated on HSDPA, existing method does not adopt grand diversity equally.Existing method is in the UE side, and MTCH to the mapping relations of HS-DSCH as shown in Figure 5.
Transmission course according to above-mentioned existing method, as shown in Figure 6, the HSDPA data of UE side will be passed through the MAC-hs entity earlier, arrive the MAC entity (MAC-d that handles dedicated channel again, MAC EntityHandling Dedicated Channels) entity, and then through Radio Link control (RLC, Radio LinkControl) layer.And from FACH to medium access control c/sh/m entity (MAC-c/sh/m, MediumAccess Control c/sh/m entity) data are not through MAC-hs, like this, if the data channel of existing medium access control (MAC, Medium Access Control) is not made the mapping that change to be to realize from MTCH to HS-DSCH.And the mapping of existing method, data flow from physical layer directly to MAC-hs again to rlc layer, it does not provide the mapping between from MTCH to HS-DSCH of specific implementation how.
In addition, the above-mentioned method that sends the MBMS business on HSDPA that has now only is mapped to MTCH on the HS-DSCH, other channel Mapping relations are constant, and also not minimizing of channel, this just makes relevant channel Mapping relation very complicated, and the effect of some channel is not obvious.
This method is not mentioned yet a plurality of UE is used identical feedback channel HS-SICH (time division duplex (TDD:Time Division Duplex)) or the processing of HS-DPCCH (FDD), and corresponding feedback channel can not get effective utilization in the HSDPA system; In addition, use lower MCS grade to transmit regularly, if the subscriber channel condition is all better, will waste interface-free resources so, the advantage of HSDPA system can not get embodying.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of HSDPA of utilization to transmit the method for MBMS business, can improve the transfer rate of MBMS, the load of mitigation system.
The technical scheme that realizes the object of the invention is as follows:
A kind of method of utilizing high-speed downlink packet access HSDPA to transmit multimedia broadcasting and multicast MBMS business increases the MBMS data channel between the MAC-c/sh/m of UE side entity and MAC-hs entity, this method may further comprise the steps:
The MAC-hs entity of A, UE side will send the MAC-c/sh/m entity of UE side from the MBMS data of UTRAN side to by the MBMS data channel;
The MAC-c/sh/m entity of B, UE side is sent to the MBMS data by the MBMS data channel high level of UE side correspondence.
Preferably, further may further comprise the steps:
C, described UE measure corresponding measured value according to the MBMS data of receiving, and this measured value and set point compared, under situation about satisfying condition, on the corresponding indicating channel HS-SICH of sharing, send the MAC-hs entity that feeds back to the UTRAN side.
Preferably, described measured value and set point are signal to noise ratio snr.
Preferably, described feedback information is to send under the situation of measured value less than set point and CRC check discovery reception error in data.
Preferably, it is characterized in that the coded data and the form of described each feedback information are consistent.
A kind of method of utilizing HSDPA to transmit the MBMS business increases the MBMS data channel between the MAC-c/sh/m of UE side entity and MAC-hs entity, this method may further comprise the steps:
A, UTRAN side MAC-hs entity send with the HSDPA data transfer mode MBMS data that the corresponding high level of UTRAN side issues to the MAC-hs of UE side entity;
The MAC-hs entity of B, UE side sends the MBMS data that receive to the MAC-c/sh/m entity of UE side by the MBMS data channel;
The MAC-c/sh/m entity of C, UE side is sent to the MBMS data by the MBMS data channel high level of UE side correspondence.
Preferably, further may further comprise the steps:
D, described UE measure corresponding measured value according to the MBMS data of receiving, and this measured value and set point compared, under situation about satisfying condition, on the corresponding indicating channel HS-SICH of sharing, send the MAC-hs entity that feeds back to the UTRAN side;
The MAC-hs entity of E, UTRAN side is monitored HS-SICH, if feedback information is arranged, then whether reduces class of emission accordingly according to its other resources and the decision of resource utilization situation or guarantee retransmitting under the condition of MBMS data lowest bit rate; If there is not feedback information, then heighten class of emission accordingly.
Preferably, described measured value and set point are signal to noise ratio snr.
Preferably, described feedback information is to send under the situation of measured value less than set point and CRC check discovery reception error in data.
Preferably, the coded data of described each feedback information and form are consistent.
Preferably, the MAC-hs entity of described UTRAN side receives the signaling about the professional lowest bitrate of each MBMS that sends from UTRAN side MAC-c/sh/m entity, and dispatches the transmission of MBMS business according to the situation of self.
Preferably, when the UE that receives the same MBMS business has when a plurality of, the MBMS business setting that the MAC-hs entity of described UTRAN side will carry on HSDPA is higher priority.
Preferably, described UTRAN side MAC-c/sh/m entity distributes the temporary mark H/M-RNTI sign of identical wireless network MBMS business according to the professional UE that receives the same MBMS business for needs of MBMS, and corresponding configuration signal is sent to shared control channel HS-SCCH, reaches on the logic channel point-to-multipoint control channel MCCH and be notified to UE.
Preferably, described UE side MAC-hs entity reads the MBMS business datum that corresponding HS-PDSCH receives according to the H/M-RNTI sign of knowing from HS-SCCH on MCCH.
A kind of device that utilizes HSDPA to transmit the MBMS business comprises MAC-c/sh/m entity, MAC-hs entity and the MAC-c/sh/m entity of UE side and the MBMS data channel between the MAC-hs entity, wherein:
The MAC-hs entity of UE side is used for and will sends the MAC-c/sh/m entity of UE side to by the MBMS data channel from the MBMS data of UTRAN side;
The MAC-c/sh/m entity of UE side is used for by the MBMS data channel MBMS data being sent to the high level of UE side correspondence.
Preferably, further comprise measuring unit and comparing unit, wherein:
Described measuring unit is used for measuring corresponding measured value according to the MBMS data of receiving;
Described comparing unit is used for this measured value and set point are compared, and under situation about satisfying condition, sends the MAC-hs entity that feeds back to the UTRAN side on the corresponding indicating channel HS-SICH of sharing.
Preferably, described measured value and set point are signal to noise ratio snr.
Preferably, described feedback information is to send under the situation of measured value less than set point and CRC check discovery reception error in data.
Preferably, the coded data of described each feedback information and form are consistent.
A kind of system that utilizes HSDPA to transmit the MBMS business comprises UTRAN side MAC-hs entity, MAC-c/sh/m entity, the MBMS data channel between the MAC-c/sh/m entity of UE side, MAC-hs entity and MAC-c/sh/m entity and the MAC-hs entity, wherein:
UTRAN side MAC-hs entity is used for the MBMS data that the corresponding high level of UTRAN side issues are sent to the MAC-hs of UE side entity with the HSDPA data transfer mode;
The MAC-hs entity of UE side, the MBMS data that are used for receiving send the MAC-c/sh/m entity of UE side to by the MBMS data channel;
The MAC-c/sh/m entity of UE side is used for by the MBMS data channel MBMS data being sent to the high level of UE side correspondence.
Preferably, further comprise the measuring unit and the comparing unit of UE side, and the regulon of UTRAN side, wherein:
The measuring unit of described UE side is used for measuring corresponding measured value according to the MBMS data of receiving;
The comparing unit of described UE side is used for this measured value and set point are compared, and under situation about satisfying condition, sends the MAC-hs entity that feeds back to the UTRAN side on the corresponding indicating channel HS-SICH of sharing;
The regulon of described UTRAN side, be used for monitoring the feedback information that HS-SICH obtains, retransmit under the condition that determines whether to reduce class of emission accordingly or guarantee MBMS data lowest bit rate according to its other resources and resource utilization situation according to the MAC-hs entity; And when monitoring HS-SICH and do not obtain feedback information, heighten class of emission accordingly according to the MAC-hs entity.
Preferably, described measured value and set point are signal to noise ratio snr.
Preferably, described feedback information is to send under the situation of measured value less than set point and CRC check discovery reception error in data.
Preferably, the coded data of described each feedback information and form are consistent.
Preferably, the MAC-hs entity of described UTRAN side receives the signaling about the professional lowest bitrate of each MBMS that sends from UTRAN side MAC-c/sh/m entity, and dispatches the transmission of MBMS business according to the situation of self.
Preferably, when the UE that receives the same MBMS business has when a plurality of, the MBMS business setting that the MAC-hs entity of described UTRAN side will carry on HSDPA is higher priority.
Preferably, described UTRAN side MAC-c/sh/m entity distributes the temporary mark H/M-RNTI sign of identical wireless network MBMS business according to the professional UE that receives the same MBMS business for needs of MBMS, and corresponding configuration signal is sent to shared control channel HS-SCCH, reaches on the logic channel point-to-multipoint control channel MCCH and be notified to UE.
Preferably, described UE side MAC-hs entity reads the MBMS business datum that corresponding HS-PDSCH receives according to the H/M-RNTI sign of knowing from HS-SCCH on MCCH.
Compared with prior art, the present invention has following beneficial effect:
The present invention has provided the method that a kind of HSDPA of utilization transmits the MBMS business, by the data channel at UE side increase MAC-hs and MAC-c/sh/m, thereby guarantees the mapping of MTCH to HS-DSCH.Notify corresponding N ode the lowest bitrate of the MBMS business that B will send by RNC, NodeB guarantees reception to the RNC forward data by setting a buffering area, make each Node B independently dispatch the MBMS business by the lowest bitrate that guarantees the MBMS business and become possibility, cancelled the use of the MSCH channel of carrying MBMS business on HSDPA, make the channel Mapping relation that on HSDPA, sends the MBMS business obtain certain simplification, and owing on each Node B, independently dispatch the MBMS business, do not carry out grand diversity again, so the parameter on the MCCH is simplified, the data of control information have obtained minimizing, have alleviated the load of system.
UE measures according to the data of receiving, and the measured value that obtains and set point originally compared, thereby judge whether the data that receive make a mistake, and under situation about making a mistake, the information that can not correctly receive the MBMS data is in time fed back to Node B, make system resource allocation more reasonable, thereby give full play to the flexibility of HSDPA system resource scheduling; Use identical feedback channel HS-SICH to handle simultaneously to a plurality of UE, make Node B can correctly merge reception, and make right judgement.Node B judges whether needs downward modulation class of emission according to certain situations such as resource utilization ratio, thereby more effectively utilizes interface-free resources, also demonstrates fully the advantage of HSDPA system.
Below in conjunction with the drawings and specific embodiments the present invention is further described.
Description of drawings
Fig. 1 is a prior art UTRAN side MAC structural representation;
Fig. 2 is a prior art HS-SICH coding mapping flow chart;
Fig. 3 is that the newly-increased channel of prior art MBMS concerns schematic diagram;
Fig. 4 is that existing method utilizes HSDPA to transmit the channel Mapping schematic diagram of MBMS;
Fig. 5 is the mapping schematic diagram of existing method UE side MTCH to HS-DSCH;
Fig. 6 is a prior art UE side MAC structural representation;
Fig. 7 is the inventive method flow chart;
Fig. 8 is the channel Mapping schematic diagram that the present invention utilizes the HSDPA MBMS transmission;
Fig. 9 is the UE side MAC structural representation after the present invention increases passage;
Figure 10 is an embodiment of the invention feedback information coding schematic diagram;
Figure 11 is the mapping schematic diagram of UTRAN side MTCH of the present invention to HS-DSCH;
Figure 12 is apparatus of the present invention block diagrams;
Figure 13 is a system block diagram of the present invention.
Embodiment
The present invention proposes the method that a kind of HSDPA of utilization transmits the MBMS business, the authority of resource allocation is transferred to Node B (being the MAC-hs entity of UTRAN side), the MBMS data service transmits by the HSDPA system, just the MAC-hs entity of each UTRAN side is dispatched the MBMS business according to the s own situation of each base station, but require to guarantee service quality (Qos, the Qualityof Service) requirement of MBMS business.
MBMS in the R6 version requires grand diversity to merge, and the soft merging of L1 that grand branch is concentrated is higher to the delay requirement that data in a plurality of sub-districts transmit; L2 selects to merge and will set up MAC-m separately for the adjacent sub-district that merges, and repeats to judge at the packet that a plurality of MAC is transmitted by RLC, realizes more complicated.Because transmitting the MBMS business on HSDPA is that unit is independently dispatched with Node B, this just makes the very complicated of the grand diversity change in minizone, even is difficult to realize, merges so the inventive method is not carried out grand diversity.
As shown in Figure 7, transmit the method flow diagram of MBMS business for the present invention utilizes HSDPA, it may further comprise the steps:
The MAC-hs entity of step 702, UE side with the MBMS data that receive by the UE side the MAC-c/sh/m entity and the MAC-hs entity between the MBMS data channel that increases send the MAC-c/sh/m entity of UE side to;
The MAC-c/sh/m entity of step 703, UE side is sent to the MBMS data by the MBMS data channel high level of UE side correspondence;
The MAC-hs entity of step 705, UTRAN side is monitored HS-SICH, carries out respective handling according to having or not of feedback information.
Need to prove, with means of signaling notice Node B (being the MAC-hs entity of UTRAN side), the MAC-hs entity of UTRAN side is dispatched the transmission of MBMS business to RNC (being UTRAN side MAC-c/sh/m entity) according to the situation of self the Qos of each MBMS business (containing lowest bitrate).Because the information on the HS-SICH changes to some extent, so Node B will not dispatch the transmission of HS-SCCH according to HS-SICH.
Because the channel of MBMS and HSDPA has than big-difference, so the mapping of channel will be done certain change.Fig. 8 is the channel Mapping figure that transmits the MBMS business on HSDPA.The data service of MBMS is mapped on the transfer channel HS-DSCH from MTCH.Owing to only transmit the schedule information of corresponding MBMS business on the MSCH, tell UE to go to receive corresponding M BMS business in the corresponding time, and this scheduling is unified carrying out in RNC, and be not unified carrying out in RNC in carrying MBMS business on the HSDPA, but Node B independently dispatches, by the scheduling of Node B with on HS-SCCH, notify corresponding UE when to go to receive the MBMS business, thereby realize originally at MSCH the scheduling feature of MBMS business, so, independently dispatch by the MAC-hs entity of UTRAN side to the professional cancellation of the MBMS corresponding M SCH channel that on HSDPA, carries.Simultaneously because some message such as message MBMS schedule information that the cancellation of MSCH transmits also need cancellation, that is to say that these message have not launched yet on other channels on MSCH.In addition, owing to do not select to merge the MAC-m entity of cancellation UE side.As shown in Figure 9, be the UE side MAC structure behind the increase passage.Increase the data channel of MAC-hs and MAC-c/sh/m in the UE side, thereby guarantee the mapping of MTCH to HS-DSCH.
When the UE that receives the same MBMS business has when a plurality of, the MAC-hs entity of UTRAN side can be given the MBMS that carries professional higher priority on HSDPA, thereby guarantee the lowest bitrate of MBMS business, and guarantee the coexistence of MBMS business and HSDPA business by some scheduling mechanisms.
Each UE supports a plurality of H-RNTI, and makes the UE that receives the same MBMS business use identical H-RNTI.Here the H-RNTI of corresponding MBMS business is referred to as the temporary mark (H/M-RNTI, MBMS Services Radio Network Temporary Identifier) of wireless network MBMS business.The UE that guarantees to have identical H/M-RNTI by signaling reads the HS-SCCH of identity set, so just can guarantee that the UE of reception same MBMS business can read identical HS-PDSCH simultaneously, to reach the purpose that receives same MBMS business simultaneously.
MCCH is gone up the message that transmits make an amendment, promptly on MCCH, increase the H/M-RNTI that sends the HS-DSCHMBMS business, reach thresholding information such as (as SNR) at the MBMS traffic set.UE compares according to measured value with at MBMS traffic set value, determines whether sending feedback information.Have only when measured value (for example SNR value) is lower than and set thresholding or other some conditions just send feedback information when satisfying (finding to receive error in data as CRC check), otherwise do not send.Need to prove that except SNR, some other parameter also can be with making comparisons, such as transmitted power etc.
When Node B receives feedback information, learn and exist UE can not correctly receive the MBMS business, Node B (comprises system's available resources according to the situation of self like this, certain situations such as resource utilization) judge whether to reduce class of emission, if satisfy condition then according to grade of grade downward modulation of setting in advance, also can guarantee to adopt retransmission mechanism under the condition of MBMS lowest bit rate.When Node B received that once more existence can not correctly receive the UE feedback information of MBMS data service in the sub-district, NodeB judged whether that according to identical rule downward modulation sends grade once more.When Node B does not receive any feedback information, Node B will heighten corresponding grade according to prior setting.
In addition, same-code and form are adopted in being provided with of the feedback information on HS-SICH, and NodeB can better simplyly do merging to the feedback information that receives like this.Provide the example that a feedback information on HS-SICH that utilizes HSDPA to transmit the MBMS business is encoded below, as shown in figure 10.What show among the figure is to adopt the 1/3turbo coding, and NACK is that 22 bytes, CRC are 8 bytes in the HS-SICH data.The coding of certain feedback information not only limits to this a kind of, also can adopt other coded systems, as long as guarantee that coded data is consistent with form.
Illustrate below and adopt the inventive method to realize that a plurality of UE receive the process of a plurality of MBMS business.Two MBMS business are for example arranged, and promptly MBMS professional 1 and MBMS business 2 transmit on HSDPA; Three UE are arranged, i.e. UE1, UE2, UE3, wherein: UE1 and UE2 receive MBMS data service 1, and UE3 receives MBMS business 2.Specific as follows:
Step 1:UE1, UE2, UE3 monitor the MICH channel, continue step 2 when the MBMS business begins to transmit;
Step 2:UE1, UE2, UE3 read information on the MCCH from corresponding FACH, know that at this moment MBMS professional 1 and MBMS business 2 will upload at HSDPA;
At this moment, if UE1, UE2, UE3 do not set up the HSDPA carrying, they carry according to the information configuration HSDPA on the MCCH so, and do not change the state of current RRC, that is to say the UE that is in non-CELL-DCH state and need not forward to set up the HSDPA carrying on the CELL-DCH.
Step 3:UE1, UE2, UE3 read according to the professional H/M-RNTI1 that distributes for UE1 and UE2 of MBMS, be the H/M-RNTI2 of UE3 distribution, and distribute to the thresholding SNR1 of UE1 and UE2 according to the MBMS business features, distributes to the thresholding SNR2 of UE3; RNC is mapped to HS-SCCH to corresponding M BMS business datum from MTCH simultaneously, and the lowest bitrate of MBMS business is also passed to Node B;
Step 4:UE1, UE2, UE3 begin to monitor HS-SCCH; When UE1 and UE2 read UE-Id on the HS-SCCH when being H/M-RNTI1, then corresponding HS-PDSCH goes up the data that receive MBMS business 1; When UE3 reads UE-Id on the HS-SCCH when being H/M-RNTI2, then receive the data of MBMS business 2 from corresponding HS-PDSCH.
Because at this moment MTCH is mapped on the HS-DSCH, so MBMS data at this moment are to pass through MAC-c/sh/m entity, MAC-hs entity successively from MTCH, arrives HS-DSCH again.
Step 5:UE1, UE2, UE3 measure according to the data of receiving, if UE1 and UE2 record the SNR value less than the value SNR1 that set originally, and the data that UE1 and UE2 receive have made a mistake, and feed back an information so on corresponding HS-SICH, otherwise do not feed back.If UE3 records the SNR value less than the value SNR2 that set originally, and mistake appears in the data that UE3 receives, information of feedback on corresponding HS-SICH so, otherwise do not feed back.
Step 6:Node B does corresponding processing according to the situation of UE feedback, if user feedback is arranged, Node B determines whether reducing accordingly class of emission according to its other resources situation and resource utilization so; If do not feed back the corresponding class of emission of heightening.
In addition, the invention provides the device that a kind of HSDPA of utilization transmits the MBMS business, it increases the MBMS data channel, as shown in Figure 9 now on the basis of the MAC-c/sh/m entity 122 of Europe UE side, MAC-hs entity 121 between MAC-c/sh/m entity and MAC-hs entity.In this device, the MAC-hs entity of UE side will send the MAC-c/sh/m entity of UE side from the MBMS data of UTRAN side to by the MBMS data channel; By the MBMS data channel MBMS data are sent to the high level of UE side correspondence again by the MAC-c/sh/m entity of UE side.
As preferred device, be on aforementioned basis, further to increase measuring unit 123 and comparing unit 124, as shown in figure 12.Wherein, measuring unit 123 measures corresponding measured value according to the MBMS data of receiving; By comparing unit 124 this measured value and set point are compared again, under situation about satisfying condition, on the corresponding indicating channel HS-SICH of sharing, send the MAC-hs entity that feeds back to the UTRAN side.
In addition, said apparatus UE side and UTRAN side are constituted a communication system of utilizing HSDPA to transmit the MBMS business, the MAC-hs entity, the MAC-c/sh/m entity that comprise the UTRAN side, MBMS data channel between the MAC-c/sh/m entity of UE side, MAC-hs entity and MAC-c/sh/m entity and the MAC-hs entity is shown in Fig. 9,11.
UTRAN side MAC-hs entity sends with the HSDPA data transfer mode MBMS data that the corresponding high level of UTRAN side issues to the MAC-hs of UE side entity; The MAC-hs entity of UE side sends the MBMS data that receive to the MAC-c/sh/m entity of UE side by the MBMS data channel; The MAC-c/sh/m entity of UE side is sent to the MBMS data by the MBMS data channel high level of UE side correspondence.
Aforementioned system further comprises the measuring unit and the comparing unit of UE side preferably as shown in figure 13, and the regulon 133 of UTRAN side, wherein:
The measuring unit of described UE side measures corresponding measured value according to the MBMS data of receiving; The comparing unit of UE side compares this measured value and set point, at feedback information is to find to receive under the situation of error in data less than set point and CRC check at measured value, sends the MAC-hs entity that feeds back to the UTRAN side on the corresponding indicating channel HS-SICH of sharing; The regulon 133 of UTRAN side is monitored the feedback information that HS-SICH obtains according to MAC-hs entity 132, retransmits under the condition that determines whether to reduce class of emission accordingly or guarantee MBMS data lowest bit rate according to its other resources and resource utilization situation; And when monitoring HS-SICH and do not obtain feedback information, heighten class of emission accordingly according to the MAC-hs entity.
Need to prove that described measured value and set point are signal to noise ratio snr.The coded data and the form of each feedback information are consistent.
The MAC-hs entity 132 of described UTRAN side receives the signaling about the professional lowest bitrate of each MBMS that sends from UTRAN side MAC-c/sh/m entity 131, and dispatches the transmission of MBMS business according to the situation of self.
When the UE that receives the same MBMS business has when a plurality of, the MBMS business setting that the MAC-hs entity of described UTRAN side will carry on HSDPA is higher priority.Described UTRAN side MAC-c/sh/m entity distributes the temporary mark H/M-RNTI sign of identical wireless network MBMS business according to the professional UE that receives the same MBMS business for needs of MBMS, and corresponding configuration signal is sent to shared control channel HS-SCCH, reaches on the logic channel point-to-multipoint control channel MCCH and be notified to UE.Described UE side MAC-hs entity reads the MBMS business datum that corresponding HS-PDSCH receives according to the H/M-RNTI sign of knowing from HS-SCCH on MCCH.
Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection range of the present invention.
Claims (24)
1. method of utilizing high-speed downlink packet access HSDPA to transmit multimedia broadcasting and multicast MBMS business, it is characterized in that: increase the MBMS data channel between the MAC-c/sh/m of UE side entity and MAC-hs entity, this method may further comprise the steps:
The MAC-hs entity of A, UE side will send the MAC-c/sh/m entity of UE side from the MBMS data of UTRAN side to by the MBMS data channel;
The MAC-c/sh/m entity of B, UE side is sent to the MBMS data by the MBMS data channel high level of UE side correspondence;
C, described UE measure corresponding measured value according to the MBMS data of receiving, and this measured value and set point compared, under situation about satisfying condition, on the corresponding indicating channel HS-SICH of sharing, send the MAC-hs entity that feeds back to the UTRAN side;
The MAC-hs entity of D, UTRAN side is monitored HS-SICH, if feedback information is arranged, then whether reduces class of emission accordingly according to its other resources and the decision of resource utilization situation or guarantee retransmitting under the condition of MBMS data lowest bit rate; If there is not feedback information, then heighten class of emission accordingly.
2. the method for claim 1 is characterized in that, described measured value and set point are signal to noise ratio snr.
3. the method for claim 1 is characterized in that, described feedback information is to send under the situation of measured value less than set point and CRC check discovery reception error in data.
4. method as claimed in claim 3 is characterized in that, the coded data and the form of described each feedback information are consistent.
5. method of utilizing high-speed downlink packet access HSDPA to transmit multimedia broadcasting and multicast MBMS business, it is characterized in that: increase the MBMS data channel between the MAC-c/sh/m of UE side entity and MAC-hs entity, this method may further comprise the steps:
A, UTRAN side MAC-hs entity send with the HSDPA data transfer mode MBMS data that the corresponding high level of UTRAN side issues to the MAC-hs of UE side entity;
The MAC-hs entity of B, UE side sends the MBMS data that receive to the MAC-c/sh/m entity of UE side by the MBMS data channel;
The MAC-c/sh/m entity of C, UE side is sent to the MBMS data by the MBMS data channel high level of UE side correspondence;
D, described UE measure corresponding measured value according to the MBMS data of receiving, and this measured value and set point compared, under situation about satisfying condition, on the corresponding indicating channel HS-SICH of sharing, send the MAC-hs entity that feeds back to the UTRAN side;
The MAC-hs entity of E, UTRAN side is monitored HS-SICH, if feedback information is arranged, then whether reduces class of emission accordingly according to its other resources and the decision of resource utilization situation or guarantee retransmitting under the condition of MBMS data lowest bit rate; If there is not feedback information, then heighten class of emission accordingly.
6. method as claimed in claim 5 is characterized in that, described measured value and set point are signal to noise ratio snr.
7. method as claimed in claim 5 is characterized in that, described feedback information is to send under the situation of measured value less than set point and CRC check discovery reception error in data.
8. method as claimed in claim 7 is characterized in that, the coded data and the form of described each feedback information are consistent.
9. method as claimed in claim 5, it is characterized in that, the MAC-hs entity of described UTRAN side receives the signaling about the professional lowest bitrate of each MBMS that sends from UTRAN side MAC-c/sh/m entity, and dispatches the transmission of MBMS business according to the situation of self.
10. method as claimed in claim 9 is characterized in that, when the UE that receives the same MBMS business has when a plurality of, the MBMS business setting that the MAC-hs entity of described UTRAN side will carry on HSDPA is higher priority.
11. method as claimed in claim 10, it is characterized in that, described UTRAN side MAC-c/sh/m entity distributes the temporary mark H/M-RNTI sign of identical wireless network MBMS business according to the professional UE that receives the same MBMS business for needs of MBMS, and corresponding configuration signal is sent to shared control channel HS-SCCH, reaches on the logic channel point-to-multipoint control channel MCCH and be notified to UE.
12. method as claimed in claim 11 is characterized in that, described UE side MAC-hs entity receives the MBMS business datum according to the H/M-RNTI sign of knowing from corresponding HS-PDSCH on HS-SCCH.
13. device that utilizes high-speed downlink packet access HSDPA to transmit multimedia broadcasting and multicast MBMS business, it is characterized in that comprising MAC-c/sh/m entity, MAC-hs entity and the MAC-c/sh/m entity of UE side and the MBMS data channel between the MAC-hs entity, wherein:
The MAC-hs entity of UE side is used for and will sends the MAC-c/sh/m entity of UE side to by the MBMS data channel from the MBMS data of UTRAN side;
The MAC-c/sh/m entity of UE side is used for by the MBMS data channel MBMS data being sent to the high level of UE side correspondence.
This device also comprises the regulon of measuring unit, comparing unit and UTRAN side, wherein:
Described measuring unit is used for measuring corresponding measured value according to the MBMS data of receiving;
Described comparing unit is used for this measured value and set point are compared, and under situation about satisfying condition, sends the MAC-hs entity that feeds back to the UTRAN side on the corresponding indicating channel HS-SICH of sharing;
The regulon of described UTRAN side, be used for monitoring the feedback information that HS-SICH obtains, retransmit under the condition that determines whether to reduce class of emission accordingly or guarantee MBMS data lowest bit rate according to its other resources and resource utilization situation according to the MAC-hs entity; And when monitoring HS-SICH and do not obtain feedback information, heighten class of emission accordingly according to the MAC-hs entity.
14. device as claimed in claim 13 is characterized in that, described measured value and set point are signal to noise ratio snr.
15. device as claimed in claim 13 is characterized in that, described feedback information is to send under the situation of measured value less than set point and CRC check discovery reception error in data.
16. device as claimed in claim 15 is characterized in that, the coded data and the form of described each feedback information are consistent.
17. system that utilizes high-speed downlink packet access HSDPA to transmit multimedia broadcasting and multicast MBMS business, it is characterized in that comprising UTRAN side MAC-hs entity, MAC-c/sh/m entity, MBMS data channel between the MAC-c/sh/m entity of UE side, MAC-hs entity and MAC-c/sh/m entity and the MAC-hs entity, wherein:
UTRAN side MAC-hs entity is used for the MBMS data that the corresponding high level of UTRAN side issues are sent to the MAC-hs of UE side entity with the HSDPA data transfer mode;
The MAC-hs entity of UE side, the MBMS data that are used for receiving send the MAC-c/sh/m entity of UE side to by the MBMS data channel;
The MAC-c/sh/m entity of UE side is used for by the MBMS data channel MBMS data being sent to the high level of UE side correspondence.
This system also comprises the measuring unit and the comparing unit of UE side, and the regulon of UTRAN side, and wherein: the measuring unit of described UE side is used for measuring corresponding measured value according to the MBMS data of receiving;
The comparing unit of described UE side is used for this measured value and set point are compared, and under situation about satisfying condition, sends the MAC-hs entity that feeds back to the UTRAN side on the corresponding indicating channel HS-SICH of sharing;
The regulon of described UTRAN side, be used for monitoring the feedback information that HS-SICH obtains, retransmit under the condition that determines whether to reduce class of emission accordingly or guarantee MBMS data lowest bit rate according to its other resources and resource utilization situation according to the MAC-hs entity; And when monitoring HS-SICH and do not obtain feedback information, heighten class of emission accordingly according to the MAC-hs entity.
18. system as claimed in claim 17 is characterized in that, described measured value and set point are signal to noise ratio snr.
19. method as claimed in claim 17 is characterized in that, described feedback information is to send under the situation of measured value less than set point and CRC check discovery reception error in data.
20. method as claimed in claim 19 is characterized in that, the coded data and the form of described each feedback information are consistent.
21. system as claimed in claim 17, it is characterized in that, the MAC-hs entity of described UTRAN side receives the signaling about the professional lowest bitrate of each MBMS that sends from UTRAN side MAC-c/sh/m entity, and dispatches the transmission of MBMS business according to the situation of self.
22. system as claimed in claim 21 is characterized in that, when the UE that receives the same MBMS business has when a plurality of, the MBMS business setting that the MAC-hs entity of described UTRAN side will carry on HSDPA is higher priority.
23. the system as claimed in claim 22, it is characterized in that, described UTRAN side MAC-c/sh/m entity distributes the temporary mark H/M-RNTI sign of identical wireless network MBMS business according to the professional UE that receives the same MBMS business for needs of MBMS, and corresponding configuration signal is sent to shared control channel HS-SCCH, reaches on the logic channel point-to-multipoint control channel MCCH and be notified to UE.
24. system as claimed in claim 23 is characterized in that, described UE side MAC-hs entity receives the MBMS business datum according to the H/M-RNTI sign of knowing from corresponding HS-PDSCH on HS-SCCH.
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| CN101677461B (en) * | 2008-09-16 | 2011-09-28 | 鼎桥通信技术有限公司 | Method of jointly initiating high-speed downlink packet access (HSDPA) service and multimedia broadcast multicast service (MBMS) |
| CN101867880B (en) * | 2009-04-14 | 2014-04-30 | 中兴通讯股份有限公司 | Method and device for bearing and receiving control information of MCCH (Multipoint Control Channel) and MCCH updating indication information |
| CN102843730B (en) * | 2011-06-23 | 2017-05-03 | 中兴通讯股份有限公司 | Method for transmitting data, network element side and UE (User Equipment) in joint transmission |
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