CSI reporting on small control channels

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United States of America Patent

PATENT NO 11876581
SERIAL NO

17573171

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Abstract

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Systems and methods for Channel State Information (CSI) feedback on small control channels are provided. In some embodiments, a method of operation of a second node connected to a first node in a wireless communication network includes reporting CSI feedback to the first node on a physical channel. In some embodiments, this is accomplished by identifying a subset of codebook entries from an advanced CSI codebook of coefficients; selecting a codebook entry from the subset of codebook entries; and reporting an index of the selected codebook entry from the subset of codebook entries. This may allow robust feedback and allow variably sized cophasing and beam index indicators to be carried on the channel. Also, this may allow periodic feedback of advanced CSI on existing Physical Uplink Control Channel (PUCCH) Format 2.

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Patent Owner(s)

  • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Faxér, Sebastian Stockholm, SE 209 935
Gao, Shiwei Nepean, CA 280 4066
Harrison, Robert M Grapevine, US 27 1086
Muruganathan, Siva Stittsville, CA 213 696

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