CN101478786A - Method, system and apparatus for uploading feedback information - Google Patents
Method, system and apparatus for uploading feedback information Download PDFInfo
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- CN101478786A CN101478786A CNA2008100013241A CN200810001324A CN101478786A CN 101478786 A CN101478786 A CN 101478786A CN A2008100013241 A CNA2008100013241 A CN A2008100013241A CN 200810001324 A CN200810001324 A CN 200810001324A CN 101478786 A CN101478786 A CN 101478786A
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Abstract
The embodiment of the invention discloses a method of reporting feedback information, which comprises the following steps: user equipment UE reports channel quality indicator CQI feedback value to a base station, the CQI feedback value is carried by enhanced specialized transmission channel media access control protocol data unit MAC-i PDU or high speed downlink shared channel specialized physical control channel HS-DPCCH. By the embodiment of the invention and the CQI feedback value carried by MAC-i PDU or HS-DPCCH and reported to the base station by UE, the CQI feedback value can be rapidly and directly reach the base station, thereby saving the processing resources of RNC and transmission resources of IUB port and the base station can timely and accurately determine downlink modulation coding mode and transmitting power according to the CQI feedback value.
Description
Technical field
The embodiment of the invention relates to network communications technology field, particularly a kind of mthods, systems and devices of uploading feedback information.
Background technology
3GPP (3rd Generation Partnership Project, 3G (Third Generation) Moblie partner plan) WCDMA (Wideband Code Division Multiple Access, the Wideband Code Division Multiple Access (WCDMA) access) in the R7 version, in order to improve UE (User Equipment, subscriber equipment) at Cell_FACH (Cell_ForwardAccess Channel, cell forward access channel) and Cell_PCH (Paging Channel, paging channel) the downlink data receiving velocity under the state has been introduced these new features of enhancing Cell_FACH.By this characteristic, UE can be from HS-DSCH (High Speed DownlinkShared Channel, high speed descending sharing channel) channel downlink data receiving under Cell_FACH and Cell_PCH state.
In ongoing 3GPP WCDMA R8 version, for the UE that is in Cell_FACH state and Cell_PCH state, in order to reduce up signaling propagation delay time and to improve higher uplink bit rate, these new features of enhancing RACH (Random Access Channel, Random Access Channel) have been introduced.Strengthen RACH existing the access at random strengthened, the access at random of enhancing uses E-DCH (Enhanced Dedicated Channel strengthens dedicated transmission channel) to replace RACH to realize uplink.When NodeB after UE has distributed the E-DCH resource, can set up closed-loop power control fast between NodeB and the UE.Strengthen the ACK (Acknowledgement that the UE that is in the CELL_FACH state responds corresponding HS-DSCH channel that is introduced as of these new features of RACH, affirmation), NACK (Non-Acknowledgement, non-affirmation) or up feedback such as CQI (Channel Quality Indicator, channel quality indication) possibility is provided.
In the 3GPP WCDMA R7 version, the UE that is in CELL_FACH state and CELL_PCH state can be in the reception of the descending HS-DSCH of carrying out data, but and CELL_DCH (DedicatedChannel, what dedicated transmission channel) state was different is, UE is not by HS-DPCCH channel reporting uplink CQI feedback, but by RRC (Radio Resource Control, Radio Resource control) signaling is carried the RACH measurement result and is sent to RNC, can calculate the down transmitting power grade substantially according to this RACH measurement result.For the UE that is in the CELL_FACH state, in RRC signalings such as response of radio bearer reprovision or cell update, can carry the RACH measurement result; For the UE that is in the CELL_PCH state, before also next beginning to receive descending HS-DSCH data at the dedicated H-RNTI that detects oneself on the HS-SCCH channel, or have before upstream data need send as UE, can carry the RACH measurement result by this RRC signaling of measurement report.Behind the RNC decoding RRC signaling message RACH measurement result is carried in the Frame frame head that sends to NodeB, informs the characteristic of channel that NodeB is current, provide reference for NodeB determines downlink modulation coding mode and transmitting power, as shown in Figure 1.
In realizing process of the present invention, the inventor finds that there is following shortcoming in prior art: for aforesaid way, because the RACH measurement result needs decoding processing and the forwarding of RNC, and need be defeated in the IUB oral instructions, not only waste the processing resource of RNC and the transfer resource of IUB mouth, and had bigger time delay.Simultaneously, because UE can't feed back the RACH measurement result in receiving descending HS-DSCH data procedures, variation has taken place in wireless environment in the descending HS-DSCH data procedures if receive like this, NodeB can't in time know the current characteristic of channel, thereby can't determine downlink modulation coding mode and transmitting power timely.In addition, the RACH measurement result is compared with CQI, is unfavorable for more accurate definite downlink modulation coding mode of NodeB and transmitting power.
Summary of the invention
The embodiment of the invention provides a kind of mthods, systems and devices of uploading feedback information, to realize that UE is with CQI value of feedback reporting base station in time fast.
For achieving the above object, the embodiment of the invention provides a kind of method of uploading feedback information on the one hand, comprise: user equipment (UE) is to base station reporting channel quality indicator (CQI) value of feedback, and described CQI value of feedback is carried by the enhancing dedicated transmission channel media access control protocol data unit MAC-i PDU or the proprietary physical control channel HS-DPCCH of high speed descending sharing channel that strengthen.
On the other hand, the embodiment of the invention also provides a kind of system of uploading feedback information, comprising: user equipment (UE), be used to report the CQI value of feedback, and described CQI value of feedback is carried by MAC-i PDU or HS-DPCCH; The base station is used to receive the CQI value of feedback that described UE reports.
On the one hand, the embodiment of the invention also provides a kind of user equipment (UE), comprising again: the value of feedback reporting module, be used for reporting the CQI value of feedback to the base station, and described CQI value of feedback is carried by MAC-i PDU or HS-DPCCH.
Compared with prior art, the embodiment of the invention has the following advantages: by the embodiment of the invention, UE carries the CQI value of feedback that reports to the base station by MAC-i PDU or HS-DPCCH.Therefore, the CQI value of feedback can directly arrive the base station fast, thereby has saved the processing resource of RNC and the transfer resource of IUB mouth, makes the base station determine downlink modulation coding mode and transmitting power timely and accurately with reference to the CQI value of feedback.
Description of drawings
Fig. 1 is the up process of feedback of prior art UE based on the RACH measurement result;
Fig. 2 is the flow chart of the method for embodiment of the invention uploading feedback information;
Fig. 3 is the schematic diagram of embodiment of the invention MAC Control Element header structure;
Fig. 4 is the structure chart of the system of embodiment of the invention uploading feedback information.
Embodiment
The embodiment of the invention provides a kind of method of uploading feedback information, pass through the embodiment of the invention, UE carries the CQI value of feedback that reports to the base station by MAC-i PDU or HS-DPCCH, realized the direct fast reporting base station of CQI value of feedback, the processing resource of RNC and the transfer resource of IUB mouth have been saved, when relatively frequent or duration is longer when downlink data simultaneously, the CQI value of feedback also can be frequent report, thereby make the base station promptly and accurately fix capable modulation coding mode and transmitting power really according to this CQI value of feedback, help improving the success rate of the descending reception of UE HS-DSCH transmission block, and then the minimizing number of retransmissions, improve descending HS-DSCH efficiency of transmission.Base station in the embodiment of the invention can be entities such as NodeB.
As shown in Figure 2, the flow chart for the method for embodiment of the invention uploading feedback information may further comprise the steps:
Step S201, UE reports the CQI value of feedback to the base station, this CQI value of feedback is carried by MAC-i (ImprovedMedium Access Control for E-DCH, the E-DCH medium access control of enhancing) PDU (Protocol Data Unit, protocol Data Unit) or HS-DPCCH.
In the embodiment of the invention, in the ordinary course of things, UE does not need to send HARQ ACK/NACK feedback to the base station, only need report the CQI value of feedback.For the UE that is in the CELL_FACH state, CQI no longer is carried in the RRC signalings such as radio bearer reprovision response or cell update, but by MAC-i PDU or HS-DPCCH carries and direct reporting base station; Similarly, for the UE that is in the CELL_PCH state, when at HS-SCCH (Shared Control Channel for HS-DSCH, the HS-DSCH shared control channel) detects dedicated H-RNTI (the Radio Network Temporary Identity forHS-DSCH of this UE on the channel, the HS-DSCH Radio Network Temporary Identifier) also next begins to receive before the descending HS-DSCH data, or have before upstream data need send as UE, CQI no longer is carried in this RRC signaling of measurement report, but by MAC-i PDU or HS-DPCCH carries and direct reporting base station.
And the UE that is in the CELL_FACH state can adopt the mode of periodic triggers or the mode that triggers based on threshold value reports the CQI value of feedback to the base station in the process of descending reception HS-DSCH transmission block.
If the CQI value of feedback is carried by MAC-i PDU, then can in MAC-i PDU, increase MAC Control Element, the CQI value of feedback just is carried in the MAC Control Element; If the CQI value of feedback is carried by HS-DPCCH, then this CQI value of feedback can be carried in second time slot and the 3rd time slot of HS-DPCCH subframe, first time slot of HS-DPCCH subframe adopts DTX (Discontinuous Transmission, discontinuous emission).When the CQI value of feedback was carried by HS-DPCCH, the subframe of not carrying the CQI value of feedback in the HS-DPCCH subframe adopted DTX.
In addition, the UE that is in CELL-FACH state or CELL-PCH state also can carry HARQ ACK/NACK feedback and the CQI value of feedback that reports the base station simultaneously by the HS-DPCCH channel.
Step S202, the base station receives the CQI value of feedback, and determines downlink modulation coding mode and transmitting power according to this CQI value of feedback.
The method of above-mentioned uploading feedback information, UE carries the CQI value of feedback that reports to the base station by MAC-i PDU or HS-DPCCH, realized the direct fast reporting base station of CQI value of feedback, the processing resource of RNC and the transfer resource of IUB mouth have been saved, what the CQI value of feedback also can be frequent when relatively frequent or duration was longer when downlink data simultaneously reports, thereby make the base station promptly and accurately fix capable modulation coding mode and transmitting power really according to this CQI value of feedback, help improving the success rate of the descending reception of UE HS-DSCH transmission block and then reducing number of retransmissions, improve the efficiency of transmission of descending HS-DSCH.
The UE of a pair of CELL_FACH of being in state of the embodiment of the invention or CELL-PCH state does not report HARQ ACK/NACK feedback to the base station, and the situation of only carrying the CQI value of feedback by MAC-i PDU or HS-DPCCH and reporting the base station describes.
Usually for the UE that is in the CELL_FACH/CELL-PCH state, loaded service all is interactive class or background business on it, and these business features are insensitive and sudden stronger to time delay.Each business burst generally can not kept the long time, that is to say that the base station can send to UE with the business datum that happens suddenly in several TTI (Transmission Time Interval, Transmission Time Interval).But Tu Fa traffic carrying capacity may be bigger sometimes, and perhaps because base station scheduling is busy, the base station needs the long time business datum of burst all could be sent to UE.
The UE downlink data that is in the CELL_FACH/CELL-PCH state generally speaking can be not frequent especially and the duration can be not oversize, and because the enhancing RACH random access procedure of UE need spend the regular hour (the shortest also wanting about 10 milliseconds), therefore for the some descending HS-DSCH transmission block of initialization, UE has little time to send HARQ ACK/NACK feedback, even exist wait until that UE sets up the HS-DPCCH channel successfully and synchronous after when beginning to send HARQ ACK/NACK and feeding back, all descending HS-DSCH transmission blocks have sent situation about finishing.But when relatively frequent or duration was longer when downlink data, UE sent HARQ ACK/NACK feedback by the HS-DPCCH channel and has certain gain.In embodiment one, adopt and send HARQ ACK/NACK feedback to the base station, but by in time the CQI value of feedback being reported the base station and improving the success rate that UE receives the HS-DSCH transmission block by blind re-transmission repeatedly.
In existing technical scheme, UE will reflect that the RACH measurement result of current downlink channel characteristic sends to RNC by the RRC signaling, and then be forwarded to the base station, thereby exist bigger time delay to cause the base station can't accurately control the modulation coding mode and the transmitting power of descending HS-DSCH transmission by RNC.In the embodiment of the invention, the CQI value of feedback can be carried by MAC-i PDU or HS-DPCCH, therefore UE can directly report the base station with the CQI value of feedback fast in time, makes the base station can accurately control the modulation coding mode and the transmitting power of descending HS-DSCH transmission according to the CQI value of feedback.
For the UE that is in the CELL_FACH state, the CQI value of feedback is separated from RRC signalings such as response of radio bearer reprovision or cell update, carry this CQI value of feedback by MAC-i PDU or HS-DPCCH, and with the direct reporting base station of this CQI value of feedback; For the UE that is in the CELL_PCH state, before also next beginning to receive descending HS-DSCH data at the dedicated H-RNTI that detects this UE on the HS-SCCH channel, or have before upstream data need send as UE, CQI no longer is carried in this RRC signaling of measurement report, but by MAC-i PDU or HS-DPCCH carries and direct reporting base station.If carry the CQI value of feedback by MAC-i PDU, then can in MAC-i PDU, increase MAC Control Element and carry the CQI value of feedback with a kind of uniform way, corresponding, need in the MAC-iPDU head, increase the MAC Control Element head.The MAC Control Element header structure as shown in Figure 3, indicating this part by the specific logical channel logo of 4 bit lengths is MAC Control Element head rather than data unit header, whether 4 sign bits after the specific logical channel logo can be used to refer to 4 MAC Control Element at most and exist, for example: ' 0 ' expression exists, and ' 1 ' expression does not exist etc.Can carry the CQI value of feedback with in these 4 MAC Control Element any one.If present, all MAC Control Element all should be positioned at the loading section of MAC-i PDU, to guarantee the byte-aligned of MAC-i PDU head.
If carry the CQI value of feedback by HS-DPCCH, CQI is carried in second of the HS-DPCCH subframe and the 3rd time slot so, and first time slot then adopts DTX always.
The UE that is in the CELL_FACH state can adopt periodic triggers or the mode that triggers based on threshold value reports the CQI value of feedback to the base station in the process of descending reception HS-DSCH transmission block.When adopting the mode of periodic triggers, dispose appropriate CQI feedback cycle by rrc layer, UE should carry and reports the CQI value of feedback to the base station by MAC-i PDU or HS-DPCCH when needs feed backs.When the triggering mode that adopts based on threshold value, dispose high-quality threshold value and low quality threshold value by rrc layer, if current CQI is lower than the low quality threshold value or is higher than the high-quality threshold value, then UE should carry and reports the CQI value of feedback to give the base station by MAC-i PDU or HS-DPCCH.When carrying the CQI value of feedback, need adopt DTX for the subframe that does not need to launch the CQI value of feedback by HS-DPCCH.
The method of above-mentioned uploading feedback information, because the CQI value of feedback can directly arrive the base station fast, the processing resource of RNC and the transfer resource of IUB mouth have been saved, the CQI value of feedback also can report continually when relatively frequent or duration was longer when downlink data simultaneously, thereby make the base station promptly and accurately fix capable modulation coding mode and transmitting power really with reference to this CQI value of feedback, help like this improving the success rate of the descending reception of UE HS-DSCH transmission block and then can reducing number of retransmissions, thereby can improve descending HS-DSCH efficiency of transmission.
Two pairs of the embodiment of the invention are in the UE of CELL_FACH state or CELL-PCH state, and the situation of carrying ascending HARQ ACK/NACK feedback and CQI value of feedback by the HS-DPCCH channel simultaneously is introduced.
Mention in embodiment one, if relatively frequent or the duration is longer at CELL_FACH state downlink data, then UE sends HARQ ACK/NACK feedback by the HS-DPCCH channel and has certain gain.Send in the IUB mouth HS-DSCH Frame of base station at RNC, can carry RLC (Radio Link Control, Radio Link control) the metadata cache situation of this UE.The duration of downlink data can be determined substantially in conjunction with RLC metadata cache situation and present scheduling loading condition in the base station.If the duration is longer, and up do not have Data-carrying on the E-DCH channel, then the base station can initiate to strengthen the RACH random access procedure and set up the HS-DPCCH channel by HS-SCCH order notice UE, just can carry HARQ ACK/NACK by HS-DPCCH afterwards and feed back.If downlink data begins when the HS-DSCH Channel Transmission, up had Data-carrying on the E-DCH channel, and the UE that then is in the CELL_FACH state can directly utilize and set up successful HS-DPCCH and carry HARQACK/NACK feedback.When HARQ ACK/NACK was carried on the HS-DPCCH channel, the CQI value of feedback is inevitable to be carried on the HS-DPCCH channel simultaneously.
Even the base station decision is initiated to strengthen the RACH random access procedure and set up the HS-DPCCH channel by HS-SCCH order notice UE, because the RACH random access procedure need spend the regular hour (the shortest also wanting about 10 milliseconds), in the starting stage that data send, the base station still needs the HS-DSCH transmission block is carried out blind retransmission operation.After the base station physical layer detects uplink synchronous and finishes, can notify, base station HARQ entity carries out switching to mode of operation based on the ACK/NACK feedback from blind retransmission operation state.If exist a transmission block to be in the blind retransmission processes this moment, then should continue, after the blind re-transmission of this transmission block finishes, switch to normal operating state again, and begin to dispatch new transmission block based on the ACK/NACK feedback.Accordingly, set up after success and down-going synchronous finish at the HS-DPCCH channel, if detect TSN (the Transmission Sequence Number of a transmission block, transmitting Sequence Number) the TSN value of value and previous transmission block is inconsistent, and UE should begin to report HARQ ACK/NACK to feed back to the base station.
After UE successfully initiates to strengthen the RACH random access procedure and sets up the HS-DPCCH channel, even up do not have signaling or business datum to send,, downlink data do not finish as long as also sending, the base station just can not discharge the ascending resource of UE.E-DPCCH (E-DCH Dedicated Physical Control Channel, E-DCH Dedicated Physical Control Channel) and E-DPDCH (E-DCH Dedicated Physical Data
Channel, the E-DCH Dedicated Physical Data Channel) can adopt DTX to reduce uplink interference, when thereby UE has received the HS-DSCH transmission block and has needed feeding back uplink HARQ ACK/NACK, or during according to needs are set report the CQI value of feedback of CQI feedback cycle, the HS-DPCCH channel need be in emission state, in addition, the HS-DPCCH channel also adopts DTX.
The method of above-mentioned uploading feedback information, the CQI value of feedback can directly arrive the base station fast, downlink modulation coding mode and transmitting power also can be determined timely and accurately with reference to the CQI value of feedback in the base station, and when relatively frequent or duration is longer when downlink data, UE sends the HARQACK/NACK feedback by the HS-DPCCH channel, thereby can avoid blind re-transmission to improve the efficient of descending HS-DSCH transport block transmission, improve descending peak rate simultaneously.
As shown in Figure 4, the structure chart for the system of embodiment of the invention uploading feedback information comprises: user equipment (UE) 1, be used to report the CQI value of feedback, and this CQI value of feedback is carried by MAC-i PDU or HS-DPCCH;
Wherein, UE1 comprises: detect reporting module 11, be used for when UE1 is in the CELL-PCH state, before detecting the dedicated H-RNTI of UE1 on the HS-SCCH channel and beginning to receive descending HS-DSCH data, or before UE1 sends upstream data, report the CQI value of feedback to base station 2.
UE1 also comprises: trigger reporting module 12, be used for when UE1 is in the CELL-FACH state, in the process of descending reception HS-DSCH transmission block, adopt the mode of periodic triggers or the mode that triggers based on threshold value, report the CQI value of feedback to base station 2.
Wherein, UE1 also comprises: channel is set up module 13, is used for initiating to strengthen the RACH random access procedure and also setting up the HS-DPCCH channel after receiving the HS-SCCH order that base station 2 issues.
Wherein, UE1 also comprises: feedback reporting module 14, be used for after down-going synchronous is finished, and when the TSN value of TSN value that detects a transmission block and previous transmission block is inconsistent, report HARQ ACK/NACK feedback to base station 2.
Wherein, base station 2 comprises: value of feedback receiver module 21 is used to receive the CQI value of feedback that UE1 reports.
Wherein, base station 2 also comprises: switching notice module 25, be used for when base station 2 physical layers detect uplink synchronous and finish, and informing base station HARQ entity carries out from blind retransmission operation state to the switching based on the mode of operation of ACK/NACK feedback.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (25)
1, a kind of method of uploading feedback information, it is characterized in that, comprise: user equipment (UE) is to base station reporting channel quality indicator (CQI) value of feedback, and described CQI value of feedback is carried by the enhancing dedicated transmission channel media access control protocol data unit MAC-i PDU or the proprietary physical control channel HS-DPCCH of high speed descending sharing channel that strengthen.
2, the method for uploading feedback information according to claim 1 is characterized in that when described UE was in cell paging channel CELL-PCH state, described UE reported the CQI value of feedback to comprise to the base station:
On the shared control channel HS-SCCH of high speed descending sharing channel channel, detect the specialized high-speed DSCH Downlink Shared Channel Radio Network Temporary Identifier H-RNTI of described UE, and begin to receive before the down high speed DSCH Downlink Shared Channel HS-DSCH data, or before described UE sent upstream data, described UE reported the CQI value of feedback to described base station.
3, the method for uploading feedback information according to claim 1 is characterized in that when described UE was in cell forward access channel CELL-FACH state, described UE reported the CQI value of feedback to comprise to the base station:
Described CQI value of feedback is separated from the radio resource control RRC signaling, carried described CQI value of feedback by MAC-iPDU or HS-DPCCH, and with described CQI value of feedback reporting base station.
4, the method for uploading feedback information according to claim 1 is characterized in that when described UE was in the CELL-FACH state, described UE reported the CQI value of feedback to comprise to the base station:
In the process of descending reception high speed downlink shared channel HS-DSCH transmission block, described UE adopts the mode of periodic triggers or the mode that triggers based on threshold value, reports the CQI value of feedback to described base station.
As the method for uploading feedback information as described in the claim 4, it is characterized in that 5, the mode that adopts periodic triggers as described UE is when described base station reports the CQI value of feedback, the report cycle of described CQI value of feedback disposes by rrc layer;
And/or, when described UE adopts triggering mode based on threshold value when described base station reports the CQI value of feedback, by high-quality threshold value and the low quality threshold value of rrc layer configuration CQI.
As the method for uploading feedback information as described in the claim 5, it is characterized in that 6, if current CQI is lower than the low quality threshold value of described CQI or is higher than the high-quality threshold value of described CQI, then described UE reports the CQI value of feedback to described base station.
7, the method for uploading feedback information according to claim 1 is characterized in that described CQI value of feedback is carried specifically by MAC-i PDU and comprised: increase MAC Control Element in described MAC-i PDU, described CQI value of feedback is carried by described MAC Control Element;
And/or described CQI value of feedback is carried specifically by HS-DPCCH and comprised: described CQI value of feedback is carried in second time slot and the 3rd time slot of described HS-DPCCH subframe, and first time slot of described HS-DPCCH subframe adopts discontinuous emission DTX.
8, the method for uploading feedback information according to claim 1 is characterized in that, when described CQI value of feedback was carried by HS-DPCCH, the subframe of not carrying described CQI value of feedback in the described HS-DPCCH subframe adopted DTX.
9, the method for uploading feedback information according to claim 1, it is characterized in that, when described base station reports the CQI value of feedback, described UE reports to mix to described base station and retransmits the non-affirmation of HARQ affirmation ACK/ NACK feedback automatically, and described CQI value of feedback and described HARQ ACK/NACK are carried on the described HS-DPCCH simultaneously.
10, as the method for uploading feedback information as described in the claim 9, it is characterized in that, before described base station reports CQI value of feedback and HARQ ACK/NACK feedback, also comprise at described UE:
Described base station receives the Radio Link control RLC metadata cache information of the described UE of radio network controller (RNC) transmission;
The duration of downlink data is determined in described base station according to described RLC metadata cache information and current scheduling load information;
When not having upstream data to be carried on the enhancing exclusive use transmission signal channel channel, described base station notifies described UE to initiate to strengthen Random Access Channel RACH random access procedure and set up described HS-DPCCH channel according to the duration of described downlink data by the HS-SCCH order.
11, as the method for uploading feedback information as described in the claim 10, it is characterized in that, also comprise: if downlink data begins when described HS-DSCH Channel Transmission, existing upstream data is carried on the E-DCH channel, and then described UE utilization has been set up successful HS-DPCCH and carried described CQI value of feedback and described HARQACK/NACK feedback.
12, as the method for uploading feedback information as described in the claim 10, it is characterized in that, also comprise after setting up described HS-DPCCH channel: when described base station physical layer detected uplink synchronous and finishes, described base station informing base station HARQ entity carried out from blind retransmission operation state to the switching based on the mode of operation of ACK/NACK feedback.
13, as the method for uploading feedback information as described in the claim 12, it is characterized in that, when described base station informing base station HARQ entity carries out from blind retransmission operation state to based on the switching of the mode of operation of ACK/NACK feedback the time, if a transmission block is in the blind retransmission processes, then after the blind re-transmission of described transmission block finishes, switch to described mode of operation, and begin to dispatch new transmission block based on the ACK/NACK feedback.
14, as the method for uploading feedback information as described in the claim 10, it is characterized in that, also comprise after setting up described HS-DPCCH channel: described UE is after down-going synchronous is finished, if it is inconsistent to detect the TSN value of transmit Sequence Number TSN value and previous transmission block of a transmission block, then described UE reports HARQ ACK/NACK feedback to described base station.
15, a kind of system of uploading feedback information is characterized in that, comprising:
User equipment (UE) is used to report the CQI value of feedback, and described CQI value of feedback is carried by MAC-i PDU or HS-DPCCH;
The base station is used to receive the CQI value of feedback that described UE reports.
16, as the system of uploading feedback information as described in the claim 15, it is characterized in that, described UE comprises: detect reporting module, be used for when described UE is in the CELL-PCH state, before detecting the dedicated H-RNTI of described UE on the HS-SCCH channel and beginning to receive descending HS-DSCH data, or before described UE sends upstream data, report the CQI value of feedback to described base station.
17, as the system of uploading feedback information as described in the claim 15, it is characterized in that, described UE also comprises: trigger reporting module, be used for when described UE is in the CELL-FACH state, in the process of descending reception HS-DSCH transmission block, adopt the mode of periodic triggers or the mode that triggers based on threshold value, report the CQI value of feedback to described base station.
18, as the system of uploading feedback information as described in the claim 15, it is characterized in that described base station comprises: the value of feedback receiver module is used to receive the CQI value of feedback that described UE reports.
19, as the system of uploading feedback information as described in the claim 18, it is characterized in that described base station also comprises:
The RLC receiver module was used for before described value of feedback receiver module receives described CQI value of feedback, received the RLC metadata cache information of the described UE of RNC transmission;
The time determination module is used for the duration of determining downlink data according to the described RLC metadata cache information and the current scheduling load information of described RLC receiver module reception;
Notification module, be used for when not having upstream data to be carried on the E-DCH channel, order by HS-SCCH according to the duration of the definite downlink data of described time determination module and notify described UE to initiate to strengthen the RACH random access procedure and set up described HS-DPCCH channel.
20, as the system of uploading feedback information as described in the claim 18, it is characterized in that, described base station also comprises: the switching notice module, be used for when described base station physical layer detects uplink synchronous and finishes, informing base station HARQ entity carries out from blind retransmission operation state to the switching based on the mode of operation of ACK/NACK feedback.
21, a kind of user equipment (UE) is characterized in that, comprising: the value of feedback reporting module, be used for reporting the CQI value of feedback to NodeB, and described CQI value of feedback is carried by MAC-i PDU or HS-DPCCH.
22, as UE as described in the claim 21, it is characterized in that described value of feedback reporting module comprises:
Detection reports submodule, be used for when described UE is in the CELL-PCH state, before detecting the dedicated H-RNTI of described UE on the HS-SCCH channel and beginning to receive descending HS-DSCH data, or before described UE sends upstream data, report the CQI value of feedback to described base station.
23, as UE as described in the claim 21, it is characterized in that, described value of feedback reporting module also comprises: trigger reporting submodule, be used for when described UE is in the CELL-FACH state, in the process of descending reception HS-DSCH transmission block, adopt the mode of periodic triggers or the mode that triggers based on threshold value, report the CQI value of feedback to described base station.
24, as UE as described in the claim 21, it is characterized in that also comprise: channel is set up module, be used for after receiving the HS-SCCH order that described base station issues, initiating to strengthen the RACH random access procedure and also setting up described HS-DPCCH channel.
25, as UE as described in the claim 21, it is characterized in that, also comprise: the feedback reporting module is used for after down-going synchronous is finished, when the TSN value of TSN value that detects a transmission block and previous transmission block is inconsistent, report HARQ ACK/NACK feedback to described base station.
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