CN102684849B - Information feedback method and device - Google Patents
Information feedback method and device Download PDFInfo
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- CN102684849B CN102684849B CN201110056368.6A CN201110056368A CN102684849B CN 102684849 B CN102684849 B CN 102684849B CN 201110056368 A CN201110056368 A CN 201110056368A CN 102684849 B CN102684849 B CN 102684849B
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Abstract
The invention discloses a kind of information feedback method and device, wherein, the method comprises: subscriber equipment determination present physical ascending control channel and Physical Uplink Shared Channel are launched simultaneously; Subscriber equipment is determined to need the information to base station feedback; The information needed to base station feedback is divided into two parts by subscriber equipment, feeds back to base station respectively by Physical Uplink Control Channel and Physical Uplink Shared Channel.By the present invention, the downlink channel condition information that different transmitted over resources is different can be supported in, and can improve the success rate of downlink channel condition information transmission in the poor environment of channel conditions.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of information feedback method and device.
Background technology
At present, at Long Term Evolution (the Long Term Evolution Advanced of advanced person, referred to as LTE-Advanced) in mobile communication system, how physically subscriber equipment row control channel (Physical Uplink Control Channel, referred to as PUCCH) and Physical Uplink Shared Channel (Physical Uplink Shared Channel, referred to as PUSCH) when launching simultaneously report downlink channel condition information (Channel State Information, referred to as CSI) become a new technical problem.
According to 3G (Third Generation) Moblie partner program (3rd Generation Partnership Project, referred to as 3GPP) Section 7.2 of technical protocol TS 36.213 V10.0.0, subscriber equipment (User Equipment, referred to as UE) can to base station (evolved Node B, referred to as eNB) reporting channel quality instruction (Channel QualityIndicator, referred to as CQI), order instruction (Rank Indication, referred to as RI) and pre-coding matrix instruction (Precording Matrix Indicator, referred to as PMI), CSI comprises CQI at present, RI and PMI.Wherein, PMI is made up of weighted value W1 and W2 under some configuration, and W1 and W2 can not report simultaneously, is separately report.
When UE property reporting period CSI and now eNB does not dispatch Physical Downlink Shared Channel (referred to as the PDSCH) of this UE time, then UE PUCCH reports CSI to eNB; In the R8 version of 3GPP and the TS36.213 of R9 version, when UE property reporting period CSI and now eNB scheduled the PUSCH of this UE time, UE PUSCH report CSI to eNB.
According to Section 7.3 of technical protocol TS 36.213 V9.3.0 of 3GPP, in the R8 version and R9 version of 3GPP, when eNB scheduled the PDSCH of this UE and eNB does not dispatch the PUSCH of this UE, UE can with PUCCH to the confirmation (Acknowledged of the correct transmission of eNB feedback, referred to as ACK) or the confirmation (Non-acknowledge, referred to as NACK) of erroneous transmissions.
According to Section 7.3 of technical protocol TS 36.213 V9.3.0 of 3GPP, in the R8 version and R9 version of 3GPP, when eNB scheduled the PDSCH of this UE and eNB scheduled the PUSCH of this UE, UE can with PUSCH to eNB feeding back ACK/NACK.
According to the report (" Draft_ReportWG1#64_v010 ") of wireless access network first group of the 64th meeting of 3GPP, in the R10 version and later version of 3GPP, PUCCH and PUSCH can launch simultaneously, in this case, in current agreement, to eNB, UE reports that the method for CSI is place report wherein, be about to need to concentrate on PUCCH to eNB feedack (comprising CSI) to report or PUSCH reports, such as, if need the CSI launching the cycle on PUCCH, aperiodic CSI is launched again on PUSCH, then agreement specifies the CSI that will abandon the cycle, only on PUSCH, launch aperiodic CSI.But launch due to PUCCH and PUSCH simultaneously and use different resources respectively, reporting or PUSCH reports if CSI concentrates on PUCCH, then will be subject to severe jamming or decline because of some resource, and cause the CSI in this resource to obtain.
Summary of the invention
Main purpose of the present invention is to provide a kind of information feedback method and device, at least to solve the problem.
According to an aspect of the present invention, provide a kind of information feedback method, comprising: subscriber equipment determination present physical ascending control channel and Physical Uplink Shared Channel are launched simultaneously; Subscriber equipment is determined to need the information to base station feedback; The information needed to base station feedback is divided into two parts by subscriber equipment, feeds back to base station respectively by Physical Uplink Control Channel and Physical Uplink Shared Channel.
Further, the information to base station feedback is needed to comprise: downlink channel condition information and the confirmation to downlink transfer.
Further, the information needed to base station feedback is divided into two parts by subscriber equipment, feeds back to base station and comprises: subscriber equipment feeds back to base station by the confirmation of downlink transfer by Physical Uplink Control Channel respectively by Physical Uplink Control Channel and Physical Uplink Shared Channel; Downlink channel condition information is fed back to base station by Physical Uplink Shared Channel by subscriber equipment.
Further, the information to base station feedback is needed to only include: downlink channel condition information.
Further, the information needed to base station feedback is divided into two parts by subscriber equipment, feeds back to base station and comprises: subscriber equipment determination downlink channel condition information comprises order and indicates respectively by Physical Uplink Control Channel and Physical Uplink Shared Channel; Order instruction is fed back to base station by Physical Uplink Control Channel by subscriber equipment; Other downlink channel condition informations except order instruction are fed back to base station by Physical Uplink Shared Channel by subscriber equipment.
Further, the information needed to base station feedback is divided into two parts by subscriber equipment, feeds back to base station and comprises: do not comprise order in subscriber equipment determination downlink channel condition information and indicate respectively by Physical Uplink Control Channel and Physical Uplink Shared Channel; User's equipment downward channel condition information is divided into two parts, and this two-part downlink channel condition information is fed back to base station respectively by Physical Uplink Shared Channel and Physical Uplink Control Channel.
According to a further aspect in the invention, provide a kind of information feedback device, comprising: the first determination module, for determining that present physical ascending control channel and Physical Uplink Shared Channel are launched simultaneously; Second determination module, needs the information to base station feedback for determining; Sending module, for the information needed to base station feedback is divided into two parts, feeds back to base station respectively by Physical Uplink Control Channel and Physical Uplink Shared Channel.
Wherein, the second determination module needs the information to base station feedback to comprise downlink channel condition information and the confirmation to downlink transfer for determining; Sending module, for feeding back to base station by the confirmation of downlink transfer by Physical Uplink Control Channel; Downlink channel condition information is fed back to base station by Physical Uplink Shared Channel.
Wherein, the second determination module needs the packets of information to base station feedback to contain downlink channel condition information but the confirmation do not comprised downlink transfer for determining, and downlink channel condition information comprises order instruction; Sending module, for feeding back to base station by order instruction by Physical Uplink Control Channel; Other downlink channel condition informations except order instruction are fed back to base station by Physical Uplink Shared Channel.
Wherein, the second determination module, needs the packets of information to base station feedback to contain downlink channel condition information but the confirmation do not comprised downlink transfer for determining, and does not comprise order instruction in downlink channel condition information; Sending module, for downlink channel condition information is divided into two parts, feeds back to base station by this two-part downlink channel condition information respectively by Physical Uplink Shared Channel and Physical Uplink Control Channel.
Pass through the present invention, adopt the mode separately to base station feedback information in different resources, solve when some resource is subject to severe jamming or decline, cause the problem that the downlink channel condition information in some resource cannot obtain, and then reach the effect that can improve the success rate of downlink channel condition information transmission in the poor environment of channel conditions.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the information feedback method according to the inventive method embodiment;
Fig. 2 is the flow chart of embodiment one;
Fig. 3 is the structural representation of the information feedback device according to the embodiment of the present invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Fig. 1 is the flow chart of the information feedback method according to the embodiment of the present invention, and as shown in Figure 1, the information feedback method that the embodiment of the present invention provides mainly comprises the following steps:
Step S102, subscriber equipment determination present physical ascending control channel and Physical Uplink Shared Channel are launched simultaneously;
Step S104, subscriber equipment is determined to need the information to base station feedback;
Such as, subscriber equipment can judge current the need of to the confirmation (such as, NACK or ACK) of base station feedback to downlink transfer, and the content needing the downstream state packets of information to base station feedback to contain, such as, the need of feedback RI etc.
Step S106, the information needed to base station feedback is divided into two parts by subscriber equipment, feeds back to base station respectively by Physical Uplink Control Channel and Physical Uplink Shared Channel.
Such as, if subscriber equipment needs to comprise downlink channel condition information and the confirmation to downlink transfer to the information of base station feedback, then described subscriber equipment feeds back to described base station by the confirmation of downlink transfer by Physical Uplink Control Channel, downlink channel condition information is fed back to described base station by Physical Uplink Shared Channel, in actual applications, downlink channel condition information CSI includes but not limited to following one or a combination set of: reporting channel quality instruction (CQI), order instruction (RI) and pre-coding matrix indicate (PMI).Wherein, PMI can be made up of weighted value W1 and W2 under some configuration.
If subscriber equipment needs to only include downlink channel condition information to the information of base station feedback, do not comprise the confirmation for downlink transfer, then subscriber equipment judges whether comprise order instruction in downlink channel condition information further, if, then order instruction is fed back to described base station by Physical Uplink Control Channel by subscriber equipment, and other downlink channel condition informations except order instruction are fed back to described base station by Physical Uplink Shared Channel; If do not comprise order instruction in downlink channel condition information, then downlink channel condition information is divided into two parts by subscriber equipment, then respectively this two-part downlink channel condition information is fed back to described base station by described Physical Uplink Shared Channel and described Physical Uplink Control Channel.
According to the above-mentioned information feedback method that the embodiment of the present invention provides, the content that subscriber equipment can contain to the packets of information of base station feedback according to current needs, be divided into two parts, feed back to base station respectively by PUCCH and PUSCH, thus can avoid because resource is disturbed or decline and cause the unsuccessful problem of information feed back.
Below by specific embodiment, the technical scheme that the embodiment of the present invention provides is described.
Embodiment one
Fig. 2 is the flow chart of the present embodiment, and as shown in Figure 2, in the present embodiment, subscriber equipment will comprise the following steps to base station feedback information spinner:
Step 201: subscriber equipment judges whether current time Physical Uplink Control Channel and Physical Uplink Shared Channel are launched simultaneously.If so, then turn to step 202, otherwise turn to step 207.
Step 202: subscriber equipment judges on Physical Uplink Control Channel the need of the confirmation of the descending correct transmission of transmitting feedback or the confirmation of descending erroneous transmissions.If so, then turn to step 203, otherwise turn to step 204.
Step 203: subscriber equipment Physical Uplink Control Channel feeds back the confirmation of confirmation or the erroneous transmissions correctly transmitted and carrys out feedback of down channel state information with Physical Uplink Shared Channel.Rear steering step 207.
Step 204: subscriber equipment needs the instruction of feedback order with checking whether.If so, then turn to step 205, otherwise turn to step 206.
Step 205: subscriber equipment Physical Uplink Control Channel feeds back order instruction and feeds back other downlink channel condition informations except order instruction with Physical Uplink Shared Channel.Rear steering step 207.
Step 206: subscriber equipment Physical Uplink Control Channel feeds back a part of downlink channel condition information and feeds back other downlink channel condition informations with Physical Uplink Shared Channel.Rear steering step 207.
Step 207: flow process terminates.
Embodiment two
In the present embodiment, PUCCH and PUSCH needs to launch simultaneously, UE does not need feeding back ACK/and the RI of NACK, UE needs report is 2, the CQI that needs report 2 to flow is respectively 12 and 10, without PMI.Composition graphs 2, in the present embodiment, subscriber equipment will comprise the following steps to base station feedback information spinner:
Step 201, subscriber equipment judges whether current time Physical Uplink Control Channel and Physical Uplink Shared Channel are launched simultaneously, if so, then turn to step 202, otherwise turn to step 207, and in the present embodiment, judged result is yes, therefore, turns to step 202;
Step 202, subscriber equipment judges the need of the correct confirmation of transmission of feedback or the confirmation of erroneous transmissions on Physical Uplink Control Channel, if, then turn to step 203, otherwise turn to step 204, in the present embodiment not feeding back ACK and NACK, therefore, step 204 is turned to;
Step 203, the present embodiment does not perform;
Step 204, subscriber equipment judges whether to need the instruction of feedback order, if so, then turns to step 205, otherwise turns to step 206, in the present embodiment, needs the instruction of feedback order, therefore turns to step 205;
Step 205, subscriber equipment physically row control channel feeds back order instruction, and physically row shared channel feeds back other downlink channel condition informations except order instruction, in the present embodiment, UE adopt PUCCH report RI, and adopt PUSCH report 2 CQI, rear steering step 207;
Step 206, the present embodiment does not perform;
Step 207, flow process terminates.
In the present embodiment, suppose that PUCCH is subject to severe jamming and makes RI decoding error, and PUSCH decoding is normal, then eNB then can release correct RI numerical value according to the CQI quantity received.
Embodiment three
In the present embodiment, PUCCH and PUSCH needs to launch simultaneously, UE does not need feeding back ACK/NACK, without RI, without CQI, need report 2 PMI.Here 2 PMI are for weighted value W1 and W2.
Step 201, subscriber equipment judges that current time Physical Uplink Control Channel and Physical Uplink Shared Channel are the need of launching simultaneously, if so, then turn to step 201, otherwise turn to step 207, is yes, goes to step 201 in the present embodiment judged result;
Step 201, subscriber equipment judges the confirmation of confirmation or the descending erroneous transmissions that Physical Uplink Control Channel correctly transmits the need of feeding back downlink, if, then turn to step 203, otherwise turn to step 204, do not need feeding back ACK or NACK in the present embodiment, therefore, 204 are gone to step;
Step 203, the present embodiment does not perform;
Step 204, subscriber equipment judges whether to need the instruction of feedback order, if so, then turns to step 205, otherwise turns to step 206, does not need the instruction of feedback order, therefore, go to step 206 at the present embodiment;
Step 205, the present embodiment does not perform;
Step 206, subscriber equipment Physical Uplink Control Channel feeds back a part of downlink channel condition information, and feeds back other downlink channel condition informations with Physical Uplink Shared Channel, in the present embodiment, UE PUCCH report W1, and report W2 with PUSCH, rear steering step 207;
Step 207, flow process terminates.
In the present embodiment, suppose that PUSCH is subject to severe jamming and makes W2 decoding error, and PUCCH decoding is normal, then eNB still can infer channel conditions roughly according to the W1 received.Therefore, in the present embodiment, the success rate of downlink channel condition information transmission can be improved in the poor environment of channel conditions.
Embodiment four
In the present embodiment, PUCCH and PUSCH needs to launch simultaneously, UE does not need feeding back ACK/NACK, without RI, need report broadband CQI, need to report several subbands CQI, need report broadband P MI, need to report several subbands PMI.
Step 201, subscriber equipment judges that current time Physical Uplink Control Channel and Physical Uplink Shared Channel are the need of launching simultaneously, if, then turn to step 202, otherwise turn to step 207, in the present embodiment, judged result is yes, therefore, turns to step 202;
Step 202, subscriber equipment judges the need of the correct confirmation of transmission of feedback or the confirmation of erroneous transmissions on Physical Uplink Control Channel, if, then turn to step 203, otherwise turn to step 204, in the present embodiment not feeding back ACK and NACK, therefore, step 204 is turned to;
Step 203, the present embodiment does not perform;
Step 204, subscriber equipment judges whether to need the instruction of feedback order, if so, then turns to step 205, otherwise turns to step 206, in the present embodiment, does not need the instruction of feedback order, therefore turns to step 206;
Step 205, the present embodiment does not perform;
Step 206, subscriber equipment Physical Uplink Control Channel feeds back a part of downlink channel condition information, and feed back other downlink channel condition informations with Physical Uplink Shared Channel, here, UE PUCCH reports broadband CQI and broadband P MI, and with PUSCH report subband CQI and subband PMI, rear steering step 207;
Step 207, flow process terminates.
In the present embodiment, suppose that PUCCH is subject to severe jamming and makes broadband CSI decoding error, and PUSCH decoding is normal, then eNB still can come according to the subband CSI received more adequately to infer channel conditions, here, assuming that subband CQI uses absolute encoder, instead of difference value.
According to the embodiment of the present invention, additionally provide a kind of information feedback device, this device is positioned at user equipment side, may be used for realizing the above-mentioned information feedback method that the embodiment of the present invention provides.
Fig. 3 is the structural representation of the information feedback device according to the embodiment of the present invention, and as shown in Figure 3, this device mainly comprises: the first determination module 10, for determining that present physical ascending control channel and Physical Uplink Shared Channel are launched simultaneously; Second determination module 20, needs the information to base station feedback for determining; Sending module 30, for the information needed to base station feedback is divided into two parts, feeds back to base station respectively by Physical Uplink Control Channel and Physical Uplink Shared Channel.
In embodiment of the present invention preferred implementation, the second determination module 20 needs the information to base station feedback to comprise downlink channel condition information and acknowledge information (ACK or NACK) for determining; Sending module 30, for feeding back to base station by the confirmation for downlink transfer by Physical Uplink Control Channel; Downlink channel condition information is fed back to base station by Physical Uplink Shared Channel.
In another preferred implementation of the embodiment of the present invention, second determination module 20 needs the packets of information to base station feedback to contain downlink channel condition information but the confirmation do not comprised for downlink transfer for determining, and downlink channel condition information comprises order instruction; Sending module 30, for feeding back to base station by order instruction by Physical Uplink Control Channel; Other downlink channel condition informations except order instruction are fed back to base station by Physical Uplink Shared Channel.
In another preferred implementation of the embodiment of the present invention, second determination module 20, need the packets of information to base station feedback to contain downlink channel condition information but the confirmation do not comprised for downlink transfer for determining, and in downlink channel condition information, do not comprise order instruction; Sending module 30, for downlink channel condition information is divided into two parts, feeds back to base station by this two-part downlink channel condition information respectively by Physical Uplink Shared Channel and Physical Uplink Control Channel.
From above description, can find out, present invention achieves following technique effect: the mode adopting separately feedback of down channel state information in different resources, solve when some resource is subject to severe jamming or decline, cause the problem that the downlink channel condition information in some resource cannot obtain, and then reach the effect that can improve the success rate of downlink channel condition information transmission in the poor environment of channel conditions.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. an information feedback method, is characterized in that, comprising:
Subscriber equipment determination present physical ascending control channel and Physical Uplink Shared Channel are launched simultaneously;
Described subscriber equipment is determined to need the information to base station feedback;
When described needs only include downlink channel condition information to the information of base station feedback, described needs are divided into two parts to the information of base station feedback by described subscriber equipment, feed back to described base station respectively by described Physical Uplink Control Channel and described Physical Uplink Shared Channel.
2. method according to claim 1, it is characterized in that, when described needs only include downlink channel condition information to the information of base station feedback, described needs are divided into two parts to the information of base station feedback by described subscriber equipment, feed back to described base station comprise respectively by described Physical Uplink Control Channel and described Physical Uplink Shared Channel:
Described subscriber equipment determines that described downlink channel condition information comprises order instruction;
Described order instruction is fed back to described base station by described Physical Uplink Control Channel by described subscriber equipment;
Downlink channel condition information described in other except described order instruction is fed back to described base station by described Physical Uplink Shared Channel by described subscriber equipment.
3. method according to claim 1, is characterized in that, described needs are divided into two parts to the information of base station feedback by described subscriber equipment, feed back to described base station comprise respectively by described Physical Uplink Control Channel and described Physical Uplink Shared Channel:
Described subscriber equipment is determined not comprise order instruction in described downlink channel condition information;
Described in described subscriber equipment, downlink channel condition information is divided into two parts, and this two-part downlink channel condition information is fed back to described base station respectively by described Physical Uplink Shared Channel and described Physical Uplink Control Channel.
4. an information feedback device, is positioned at user equipment side, it is characterized in that, described device comprises:
First determination module, for determining that present physical ascending control channel and Physical Uplink Shared Channel are launched simultaneously;
Second determination module, needs the information to base station feedback for determining;
Sending module, for determining that at described second determination module described needs only include downlink channel condition information to the information of base station feedback, described needs are divided into two parts to the information of base station feedback, feed back to described base station respectively by described Physical Uplink Control Channel and described Physical Uplink Shared Channel.
5. device according to claim 4, is characterized in that,
Described second determination module needs the packets of information to described base station feedback to contain downlink channel condition information but the confirmation do not comprised downlink transfer for determining, and described downlink channel condition information comprises order instruction;
Described sending module, for feeding back to described base station by described order instruction by described Physical Uplink Control Channel; Downlink channel condition information described in other except described order instruction is fed back to described base station by described Physical Uplink Shared Channel.
6. device according to claim 4, is characterized in that,
Described second determination module, needs the packets of information to described base station feedback to contain downlink channel condition information but the confirmation do not comprised downlink transfer for determining, and does not comprise order instruction in described downlink channel condition information;
Described sending module, for described downlink channel condition information is divided into two parts, feeds back to described base station by this two-part downlink channel condition information respectively by described Physical Uplink Shared Channel and described Physical Uplink Control Channel.
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| CN201110056368.6A CN102684849B (en) | 2011-03-09 | 2011-03-09 | Information feedback method and device |
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| CN201110056368.6A CN102684849B (en) | 2011-03-09 | 2011-03-09 | Information feedback method and device |
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| CN101841398A (en) * | 2010-05-06 | 2010-09-22 | 中兴通讯股份有限公司 | Uplink control signaling transmission method and user equipment |
| CN101883391A (en) * | 2010-06-24 | 2010-11-10 | 中兴通讯股份有限公司 | Uplink control signaling feedback processing method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2758369T3 (en) * | 2008-03-31 | 2020-05-05 | Ericsson Telefon Ab L M | Method and provisions in a telecommunications system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841398A (en) * | 2010-05-06 | 2010-09-22 | 中兴通讯股份有限公司 | Uplink control signaling transmission method and user equipment |
| CN101883391A (en) * | 2010-06-24 | 2010-11-10 | 中兴通讯股份有限公司 | Uplink control signaling feedback processing method and system |
Non-Patent Citations (2)
| Title |
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| Non SC-FDM Transmission in UL of LTE-A;Qualcomm Incorporated;《3GPP TSG RAN WG1 #60bis R1-102328》;20100416;第2页图表1 * |
| Power scaling method for maximum power;Alcatel-Lucent;《3GPP TSG-RAN WG1 #61 R1-102784》;20100514;全文 * |
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Effective date of registration: 20180112 Address after: 518000, two 703A, COFCO business park, two Xian Xian Road, Xin'an, Shenzhen, Guangdong, Baoan District Patentee after: Shenzhen Fu Hai Sunshine Technology Co., Ltd. Address before: 518057 Nanshan District science and technology, Guangdong Province, South Road, No. 55, No. Patentee before: ZTE Corporation |
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