Invention Grant
- Patent Title: Wireless communication system, base station apparatus, mobile station apparatus, wireless communication method and integrated circuit
- Patent Title (中): 无线通信系统，基站装置，移动台装置，无线通信方式及集成电路
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Application No.: US14118504Application Date: 2012-04-04
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Publication No.: US09179416B2Publication Date: 2015-11-03
- Inventor: Shoichi Suzuki , Tatsushi Aiba
- Applicant: Shoichi Suzuki , Tatsushi Aiba
- Applicant Address: JP Osaka
- Assignee: SHARP KABUSHIKI KAISHA
- Current Assignee: SHARP KABUSHIKI KAISHA
- Current Assignee Address: JP Osaka
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2011-112148 20110519
- International Application: PCT/JP2012/059152 WO 20120404
- International Announcement: WO2012/157356 WO 20121122
- Main IPC: H04W4/00
- IPC: H04W4/00 ; H04W52/18 ; H04W52/50 ; H04W74/08 ; H04W52/22 ; H04W52/14 ; H04W28/18 ; H04W88/02 ; H04W88/08 ; H04W52/32
Abstract:
In a case that a mobile station apparatus transmits a physical random access channel to a base station apparatus in a plurality of cells, it is possible to efficiently control transmission power of a physical uplink channel. A mobile station apparatus which performs a random access procedure with a base station apparatus in a plurality of cells, receives downlink control information including a transmission power control command for a physical uplink control channel from the base station apparatus, calculates a parameter by accumulating a value indicated by the transmission power control command, sets transmission power of a physical uplink control channel by using the parameter, transmits the physical uplink control channel to the base station apparatus in a specific cell, and resets accumulated parameter, when a random access response for the specific cell is received from the base station apparatus.
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