Invention Grant
- Patent Title: Mobile station apparatus, communication system, base station apparatus, cell reselection method, control program of mobile station apparatus, and integrated circuit
- Patent Title (中): 移动站装置,通信系统,基站装置,小区重选方法,移动站装置的控制程序和集成电路
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Application No.: US13643517Application Date: 2011-04-07
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Publication No.: US09185623B2Publication Date: 2015-11-10
- Inventor: Katsunari Uemura , Hidekazu Tsuboi
- Applicant: Katsunari Uemura , Hidekazu Tsuboi
- 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: JP2010-101313 20100426
- International Application: PCT/JP2011/058820 WO 20110407
- International Announcement: WO2011/135998 WO 20111103
- Main IPC: H04W36/30
- IPC: H04W36/30 ; H04W4/06 ; H04W36/00 ; H04W72/00 ; H04W76/00 ; H04W84/04

Abstract:
Efficient cell reselection taking the continuity of MBMS service into consideration is enabled. A communication system includes a base station apparatus managing a cell capable of providing a multimedia broadcast multicast service, and a mobile station apparatus belonging to a group of access-restricted cells, and the mobile station apparatus selects the access-restricted cell from the serving cell capable of providing the multimedia broadcast multicast service. The base station apparatus periodically transmits multimedia broadcast multicast service information to the mobile station apparatus (S101), and the mobile station apparatus is able to continue the multimedia broadcast multicast service being received from the cell capable of providing the multimedia broadcast multicast service by selecting the access-restricted cell and when a reception quality of the access-restricted cell satisfies cell reselection criteria, selects the access-restricted cell (S105).
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