Invention Grant
US07920640B2 Transmission method and transmission apparatus used in multiantenna wireless communication system 有权
在多天线无线通信系统中使用的传输方法和传输装置

  • 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
  • Application No.: US11908556
    Application Date: 2006-03-15
  • Publication No.: US07920640B2
    Publication Date: 2011-04-05
  • Inventor: Xiaoming SheJifeng Li
  • Applicant: Xiaoming SheJifeng 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
Transmission method and transmission apparatus used in multiantenna wireless communication system
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).
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