Single Carrier Transmissions with Joint Antenna Receive Diversity and QRM-MLD
نویسندگان
چکیده
あらまし マルチ送受信アンテナ(MIMO)空間多重では,受信信号をベクトルとし,チャネルを行列として信号検 出する方法がよく知られており,さまざまな信号検出法が提案されている.筆者らはこれまで,シングルキャリア (SC)伝送の周波数領域受信信号が MIMO 多重の受信信号表現と同様に表わされることから,MIMO 多重における信 号検出法が適用できることを指摘してきた.本論文では,QR 分解と M アルゴリズムを用いる演算量削減型最尤検 出法(QRM-MLD)とアンテナ受信ダイバーシチとを SC 伝送に適用している.そして,このときの誤り率(BER)特性 を計算機シミュレーションにより求め, QRM-MLD と受信ダイバーシチと併用することで M アルゴリズムの各ス テージにおける生き残りシンボルレプリカ候補数を削減しつつ優れた BER 特性が得られることを示す. キーワード シングルキャリア,V-BLAST 検出,QRM-MLD,アンテナダイバーシチ受信
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تاریخ انتشار 2009