US Patent No. 10,117,230

CHANNEL QUALITY INFORMATION REPORTING FOR SUBFRAMES


Patent No. 10,117,230
Issue Date October 30, 2018
Title Channel Quality Information Reporting For Subframes
Inventorship Alexander Golitschek Edler von Elbwart, Darnstadt (DE)
Masayuki Hoshino, Kanagawa (JP)
Assignee Sun Patent Trust, New York, NY (US)

Claim of US Patent No. 10,117,230

10. A method for reporting channel state information (CSI) from a user equipment to a base station in a communication system, the method comprising:receiving, from the base station, data in subframes in a time domain, the subframes including a first set of subframes and a second set of subframes that differs from the first set of subframes wherein a higher spectral efficiency CSI reporting is configured for the second set of subframes than the first set of subframes,
determining first CSI for the first set of subframes according to a first set of channel state values, the first set of channel state values configured for the first set of subframes,
determining second CSI for the second set of subframes according to a second set of channel state values, the second set of channel state values configured for the second set of subframes and different from the first set of channel state values, wherein the first set of channel state values includes 16 index levels n (where n=0, 1, . . . 14, or 15) and the second set of channel state values includes the 16 index levels and, in a subset consisting of a defined number of highest index levels of the 16 index levels, the channel state value at index level n in the second set of channel state values has a higher spectral efficiency than the channel state value at index level n in the first set of channel state values,
preparing a CSI report indicating at least one of the first CSI and the second CSI,
transmitting the CSI report.