发明名称 Circuit transmission apparatus and transmission method
摘要 A transmission apparatus includes: a multiplier configured to multiply a signal provided on a complex plane by a multiplication coefficient corresponding to a number of transmission sub-carriers; and an inverse fast Fourier transformer configured to perform an inverse fast Fourier transform on the multiplied signal.
申请公布号 US8855235(B2) 申请公布日期 2014.10.07
申请号 US201012792517 申请日期 2010.06.02
申请人 Fujitsu Semiconductor Limited 发明人 Aoki Taku;Kyono Takayoshi;Kitasako Kazuya
分类号 H04L27/36;H04L27/26;H04L5/00;H04L27/34 主分类号 H04L27/36
代理机构 Arent Fox LLP 代理人 Arent Fox LLP
主权项 1. A transmission apparatus, comprising: a multiplier configured to multiply a first in-phase (I) channel signal and a first quadrature (Q) channel signal for a symbol provided on a complex plane by a multiplication coefficient and output a second I channel signal and a second Q channel signal, a transmission power of constellation points of the second I and Q channel signals being obtained in accordance with a comparison between a number of one or more transmission sub-carriers allocated for the symbol and a given number relating to a transmission sub-frame that includes the symbol in a transmission frame; and an inverse fast Fourier transformer configured to perform an inverse fast Fourier transform on the second I and Q channel signals, wherein the given number comprises at least one of: a maximum number among a plurality of numbers, each of the plurality of numbers being a number of one or more transmission sub-carriers that are allocated for each of a plurality of symbols included in the transmission sub-frame; a minimum number among a plurality of numbers, each of the plurality of numbers being a number of one or more transmission sub-carriers that are allocated for each of a plurality of symbols included in the transmission sub-frame; and an average value of a plurality of numbers, each of the plurality of numbers being a number of one or more transmission sub-carriers that are allocated for each of a plurality of symbols included in the transmission sub-frame.
地址 Yokohama JP