Invention Grant
- Patent Title: Transmission method and transmission apparatus used in multiantenna wireless communication system
- Patent Title (中): 在多天线无线通信系统中使用的传输方法和传输装置
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Application No.: US11908556Application Date: 2006-03-15
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Publication No.: US07920640B2Publication Date: 2011-04-05
- Inventor: Xiaoming She , Jifeng Li
- Applicant: Xiaoming She , Jifeng Li
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: Dickinson Wright PLLC
- Priority: CN200510056304 20050316
- International Application: PCT/JP2006/305173 WO 20060315
- International Announcement: WO2006/098387 WO 20060921
- Main IPC: H04L27/28
- IPC: H04L27/28

Abstract:
A transmission bit and transmission power distributing method that can reduce the arithmetic amount in a multiantenna-input/multiantenna-output (MIMO) wireless communication system. This method comprises steps of calculating a signal-to-interference-noise ratio (SINR) gain after MIMO detection of each of transport substreams (S601, S602); optimizing, based on the acquired SINR gain, a transmission bit and transmission power distribution in the space domain for all transport substreams on a particular subcarrier in the frequency domain, thereby deciding a transmission bit and transmission power distribution parameters (S603, S604); and optimizing a transmission bit and transmission power distribution for adjacent subcarriers, by sequentially using the transmission bit and transmission power distribution parameters distributed on the subcarrier for which the transmission bit and transmission power distribution parameters have been decided (S605 to S610).
Public/Granted literature
- US20090052560A1 TRANSMISSION METHOD AND TRANSMISSION APPARATUS USED IN MULTIANTENNA WIRELESS COMMUNICATION SYSTEM Public/Granted day:2009-02-26
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