Information feedback method and information feedback device

A technology of information feedback and channel feedback, applied in the field of communication, can solve the problem of inability to obtain CSI, and achieve the effect of improving the success rate

Inactive Publication Date: 2012-09-19
深圳市恒程汇文化科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since PUCCH and PUSCH are transmitted at the same time and use different resources respectively, if CSI is concentrated on PUCCH reporting or PUSCH reporting, some resources will be severely interfered or faded, and CSI on this resource will not be available.

Method used

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  • Information feedback method and information feedback device
  • Information feedback method and information feedback device

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0035] figure 2 is the flow chart of this embodiment, such as figure 2 As shown, in this embodiment, the user equipment feeds back information to the base station mainly includes the following steps:

[0036] Step 201: the user equipment determines whether the physical uplink control channel and the physical uplink shared channel are simultaneously transmitted at the current moment. If yes, go to step 202, otherwise go to step 207.

[0037] Step 202: The user equipment judges whether it is necessary to transmit an acknowledgment of correct downlink transmission or an acknowledgment of wrong downlink transmission on the physical uplink control channel. If yes, go to step 203 , otherwise go to step 204 .

[0038] Step 203: the user equipment uses the physical uplink control channel to feed back the confirmation of correct transmission or the confirmation of wrong transmission and uses the physical uplink shared channel to feed back the downlink channel state information. T...

Embodiment 2

[0044] In this embodiment, the PUCCH and PUSCH need to be transmitted simultaneously, the UE does not need to feed back ACK / NACK, the RI that the UE needs to report is 2, the CQIs that need to report two streams are 12 and 10 respectively, and there is no PMI. combine figure 2 , in this embodiment, the user equipment feeds back information to the base station mainly includes the following steps:

[0045] Step 201, the user equipment judges whether the physical uplink control channel and the physical uplink shared channel are simultaneously transmitted at the current moment, if yes, then go to step 202, otherwise go to step 207, in this embodiment, the judgment result is yes, therefore, go to step 202 ;

[0046] In step 202, the user equipment judges whether it is necessary to feed back an acknowledgment of correct transmission or an acknowledgment of wrong transmission on the physical uplink control channel, and if yes, then go to step 203; otherwise, go to step 204, and do ...

Embodiment 3

[0054] In this embodiment, PUCCH and PUSCH need to be transmitted simultaneously, UE does not need to feed back ACK / NACK, has no RI, no CQI, and needs to report 2 PMIs. The two PMIs here take weighted values ​​W1 and W2 as examples.

[0055] Step 201, the user equipment judges whether the physical uplink control channel and the physical uplink shared channel need to be transmitted at the same time at the current moment, if yes, then go to step 201, otherwise go to step 207, in this embodiment, the judging result is yes, go to step 201;

[0056] In step 201, the user equipment judges whether it is necessary to feed back the acknowledgment of the correct downlink transmission or the acknowledgment of the downlink wrong transmission on the physical uplink control channel. If yes, go to step 203; otherwise, go to step 204. In this embodiment, no feedback of ACK or NACK is required. , therefore, go to step 204;

[0057] Step 203, this embodiment does not execute;

[0058] Step 20...

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Abstract

The invention discloses an information feedback method and an information feedback device. The method includes: using user equipment to determine simultaneous transmission of a current physical uplink control channel and a physical uplink shared channel; using the user equipment to determine information required to be fed back to a base station; and using the user equipment to divide the information required to be fed back to the base station into two parts and to feed back the information through the physical uplink control channel and the physical uplink shared channel to the base station respectively. By the aid of the method and the device, different downlink channel state information can be supportingly transmitted on different resources, and transmission success rate of the downlink channel state information can be increased in the environments with poor channel states.

Description

technical field [0001] The present invention relates to the communication field, in particular to an information feedback method and device. Background technique [0002] At present, in an advanced Long Term Evolution Advanced (LTE-Advanced for short) mobile communication system, how does a user equipment communicate between a Physical Uplink Control Channel (Physical Uplink Control Channel, PUCCH for short) and a Physical Uplink Shared Channel (Physical Uplink Shared Channel for short). It is a new technical issue to report downlink channel state information (Channel State Information, CSI for short) when the Shared Channel, PUSCH for short) is simultaneously transmitted. [0003] According to Section 7.2 of the technical agreement TS 36.213 V10.0.0 of the third generation partnership project (3rd Generation Partnership Project, referred to as 3GPP), the user equipment (User Equipment, referred to as UE) will give the base station (evolved Node B, Referred to as eNB) repor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/16H04W28/04
Inventor 谢永斌彭佛才韩翠红张峻峰江溯张睿覃怡春
Owner 深圳市恒程汇文化科技有限公司
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