データ受信装置

Data receiver

Abstract

(57)【要約】 【目的】 ディジタル移動通信等に利用されるデータ伝 送装置において、少ない演算量で、1本のアンテナで も、所望信号と干渉信号の伝達特性によらず干渉信号の 影響を取り除く。 【構成】 受信アンテナ1と干渉波用等化器2と干渉波 用識別器4と干渉波用誤差計算器6と所望波用等化器8 と所望波用識別器10と所望波用誤差計算器12を備え、複 数の等化器2,8を直列に配置することで干渉信号と所 望信号を分離して等化を行うため、少ない演算量で、1 本の受信アンテナ1でも、所望信号と干渉信号の伝達特 性によらず干渉信号の影響を除去でき、受信品質の向上 や周波数利用効率の向上を図ることができる。
PURPOSE: To remove the influence of an interference signal without depending on the transmission characteristics of a desired signal and the interference signal even with one antenna with a less arithmetic amount at a data transmitter to be utilized for digital mobile communication or the like. CONSTITUTION: This data receiver is provided with a reception antenna 1, equalizer 2 for interference wave, identifier 4 for interference wave, error calculator 6 for interference wave, equalizer 8 for desired wave, identifier 10 for desired wave and error calculator 12 for desired wave. Since the interference signal and the desired signal are separately equalized by serially arranging the plural equalizers 2 and 8, the influence of the interference signal can be removed regardlessly of the transmission characteristics of the desired signal and the interference signal with the less arithmetic amount even by one reception antenna 1, and reception quality or frequency utilization efficiency can be improved. COPYRIGHT: (C)1995,JPO

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