Invention Grant
- Patent Title: Base station device, method for controlling base station device, receiving device, adaptation algorithm control method, radio communication device, and radio communication method
- Patent Title (中): 基站装置，基站装置控制方法，接收装置，适应算法控制方法，无线通信装置，无线通信方式
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Application No.: US12302718Application Date: 2007-05-28
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Publication No.: US08374132B2Publication Date: 2013-02-12
- Inventor: Takanori Miura , Takehiro Hara , Toru Sahara
- Applicant: Takanori Miura , Takehiro Hara , Toru Sahara
- Applicant Address: JP Kyoto
- Assignee: Kyocera Corporation
- Current Assignee: Kyocera Corporation
- Current Assignee Address: JP Kyoto
- Agency: DLA Piper LLP (US)
- Priority: JP2006-148720 20060529; JP2006-148839 20060529; JP2006-206018 20060728
- International Application: PCT/JP2007/060818 WO 20070528
- International Announcement: WO2007/139063 WO 20071206
- Main IPC: H04W4/00
- IPC: H04W4/00
Abstract:
A base station device according to the present invention includes: a first reception weight calculator 122 configured to calculate weight of each antenna element of an array antenna 114 to be used in communications with a first mobile station device by using a reference signal transmitted from the first mobile station device; and a second reception weight calculator 124 configured to calculate weight of each antenna element of the array antenna 114 to be used in communications with a second mobile station device, which is different from, the first mobile station device of the multiple mobile station devices, the second reception weight calculator 124 calculating the weight so that null can be directed to an arriving direction of the reference signal transmitted from the first mobile station device, the arriving direction being determined on the basis of weight calculated by the first reception weight calculator 122.
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