Theoretical Analysis of Frequency-Domain Space-Time Block Coded-Joint Transmit/Receive Diversity

あらまし 周波数領域時空間符号化送受信ダイバーシチ(FD-STBC-JTRD)は周波数領域送信等化(送信 FDE)と時 空間符号化を組み合わせた送受信ダイバーシチであり,簡易な受信処理でありながら送信アンテナ数×受信アンテ ナ数に等しいダイバーシチ次数を得ることができる.しかし,FD-STBC-JTRD の伝送特性については計算機シミュ レーションによってしか明らかにされておらず,送信等化と組み合わせた時空間符号の設計法については明らかに されていなかった.そこで本稿では,FD-STBC-JTRD の符号設計について述べている.次いで,数値計算及び計算 機シミュレーションにより FD-STBC-JTRD の伝送特性を求め,受信ダイバーシチと組み合わせた Alamouti の周波 数領域時空間符号化送信ダイバーシチ(FD-STTD)と比較する. キーワード シングルキャリア伝送,時空間符号化,周波数領域等化

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