Patent ID: 9516610
Filing Date: 2016-12-06
CPC Classification: H04W

Claim Text:
1. A method providing power information in a Radio Access Network (RAN), the method comprising: communicating a power headroom control element between a user equipment (UE) and a base station in the Radio Access Network, wherein the power headroom control element is a power headroom medium access control (MAC) control element (CE), wherein the power headroom MAC CE comprises a first power headroom field containing a first power headroom report and having a predetermined number of bits in the power headroom MAC CE, and a first indicator field associated with the first power headroom field, wherein the first indicator field has a first indicator value indicating that a transmission power field with a predetermined number of bits is present in the power headroom MAC CE, wherein the transmission power field contains information about a configured UE transmission power of a first uplink serving cell (Pcmax,c) which is associated with the first power headroom report, wherein the power headroom MAC CE comprises a second power headroom field containing a second power headroom report and having the predetermined number of bits in the power headroom MAC CE, wherein the power headroom MAC CE comprises a second indicator field associated with the second power headroom field, and wherein the second indicator field has a second indicator value indicating that no information about a configured UE transmission power of a second uplink serving cell associated wherein the second power headroom report is included in the power headroom MAC CE.