Patent ID: 11936442
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method performed by a wireless device for multibeam precoder based channel state information, CSI, feedback reporting, wherein a CSI report comprises a first part, CSI Part 1, and a second part, CSI Part 2, the method comprising:
generating the CSI report, wherein the CSI Part 1 comprises an indication of a number of non-zero coefficients, and a payload size of the indication of the number of non-zero coefficients is dependent on a rank restriction of the wireless device; and
transmitting the CSI report to a network node, wherein one or more of a payload of the CSI Part 2 and a payload size of the CSI Part 2 is based on the number of non-zero coefficients indicated in the CSI Part 1.