US Patent No. 10,893,487

POWER HEADROOM REPORTING FOR HIGHER FREQUENCY CARRIERS IN NR


Patent No. 10,893,487
Issue Date January 12, 2021
Title Power Headroom Reporting For Higher Frequency Carriers In Nr
Inventorship Jose Luis Pradas, Stockholm (SE)
Assignee Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)

Claim of US Patent No. 10,893,487

1. A method, performed by a wireless device, of reporting transmission power information to a network node in a wireless communication network, the method comprising:selecting which of two or more formats for power headroom (PH) or maximum transmission power (Pcmax), or mapping tables for PH or Pcmax, to employ in response to detecting one or more trigger criteria;
communicating the selection of formats for PH or Pcmax, or selection of mapping tables for PH or Pcmax, with the network; and
transmitting to the network a power headroom report (PHR) comprising at least one of a PH or Pcmax index with the selected format, based on the selected PH or Pcmax mapping table, respectively;
wherein a trigger criterion is a carrier frequency or carrier frequency range associated with a network node.