CN102273117A

5G,4G

Title

Not Available

Application Number:

CN20108004330

Publication Date:

07-12-2011

Current Assignee:

NOT AVAILABLE

Family ID:

42236329

Application Date:

11-01-2010

Publication Country:

US

View on Espacenet

Priority Date:

12-01-2009

Declaring Company:

QUALCOMM INC

Abstract  Abstract

Techniques for calculating and reporting the channel quality indication (CQI) technology. In one aspect can support multiple kinds of CQI calculation method and for each CQI computation method may indicate how CQI calculation. can be selected using a CQI computation method. Then according to the selected CQI computation method for computing and reporting CQI. In one example design user device (UE) may obtain a selected method for computing CQI the selected method may be based on UE capability and/or other factors to be selected. Obtaining average CQI computation by signal quality on the multiple layer for transmission of CQI calculation selected method may specify (i) with a specific code word corresponding to the multiple codewords or (ii). UE can according to the selected method for computing CQI the CQI to the base station and receiving the sent by the base station based on the CQI data.

Techniques for computing and reporting channel quality indication (CQI) are described. In an aspect a plurality of CQI computation methods may be supported and each CQI computation method may indicate how CQI should be computed. One CQI computation method may be selected for use. CQI may then be computed and reported in accordance with the selected CQI computation method. In an exemplary design a user equipment (UE) may obtain a selected method for computing CQI which may be chosen based on the UE capability and/or other factors. The selected method may specify (i) CQI computation for a specific codeword among a plurality of codewords or (ii) CQI computation by averaging signal quality across a plurality of layers used for transmission. The UE may compute CQI in accordance with the selected method send the CQI to a base station and receive data sent by the base station based on the CQI.

Techniques for computing and reporting channel quality indication (CQI) are described. In an aspect a plurality of CQI computation methods may be supported and each CQI computation method may indicate how CQI should be computed. One CQI computation method may be selected for use. CQI may then be computed and reported in accordance with the selected CQI computation method. In an exemplary design a user equipment (UE) may obtain a selected method for computing CQI which may be chosen based on the UE capability and/or other factors. The selected method may specify (i) CQI computation for a specific codeword among a plurality of codewords or (ii) CQI computation by averaging signal quality across a plurality of layers used for transmission. The UE may compute CQI in accordance with the selected method send the CQI to a base station and receive data sent by the base station based on the CQI.

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