Invention Grant
- Patent Title: Receiving device and radio quality calculation method
- Patent Title (中): 接收设备和无线电质量计算方法
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Application No.: US12996785Application Date: 2009-06-09
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Publication No.: US08483331B2Publication Date: 2013-07-09
- Inventor: Mototsugu Suzuki , Tetsurou Imai , Koushirou Kitao , Yoshihiro Ishikawa
- Applicant: Mototsugu Suzuki , Tetsurou Imai , Koushirou Kitao , Yoshihiro Ishikawa
- Applicant Address: JP Tokyo
- Assignee: NTT DoCoMo, Inc.
- Current Assignee: NTT DoCoMo, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Osha Liang LLP
- Priority: JP2008-151076 20080609
- International Application: PCT/JP2009/060503 WO 20090609
- International Announcement: WO2009/151043 WO 20091217
- Main IPC: H04L27/06
- IPC: H04L27/06

Abstract:
A reception device calculates a radio quality in a downlink by using a plurality of pilot symbols transmitted from a base station. The reception device includes a correlation calculation unit and a radio quality calculation unit. The correlation calculation unit calculates a correlation value between a first pilot symbol and a second pilot symbol on a time axis or a correlation value there between on a frequency axis. If the correlation value obtained by the correlation calculation unit exceeds a predetermined threshold value, the radio quality calculation unit calculates a radio quality in the downlink by using a reception quality of the first pilot symbol and a reception quality of the second pilot symbol.
Public/Granted literature
- US20110188556A1 RECEIVING DEVICE AND RADIO QUALITY CALCULATION METHOD Public/Granted day:2011-08-04
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