US Patent No. 9,860,856

METHOD AND APPARATUS FOR CONFIGURING POWER HEADROOM INFORMATION IN MOBILE COMMUNICATION SYSTEM SUPPORTING CARRIER AGGREGATION


Patent No. 9,860,856
Issue Date January 02, 2018
Title Method And Apparatus For Configuring Power Headroom Information In Mobile Communication System Supporting Carrier Aggregation
Inventorship Soeng Hun Kim, Yongin-si (KR)
Sang Bum Kim, Seoul (KR)
Kyeong In Jeong, Suwon-si (KR)
Gert-Jan Van Lieshout, Staines (GB)
Assignee Samsung Electronics Co., Ltd., Suwon-si (KR)

Claim of US Patent No. 9,860,856

1. A method by a terminal in a mobile communication system, the method comprising:
generating a medium access control protocol data unit (MAC PDU) including a header and an extended power headroom report (PHR),
the header including a logical channel identifier (LCID) for identifying the extended PHR; and

transmitting the MAC PDU to a base station,
wherein the extended PHR includes one or more power headrooms (PHs) and a bitmap, the bitmap indicating whether at least one
PH for at least one secondary cell is reported.