Single-Carrier Frequency-Domain Equalizer with Multi-Antenna Transmit Diversity
نویسندگان
چکیده
منابع مشابه
Study on transmit/receive antenna diversity for multi-carrier transmission
Abstract High speed data transmissions are required for the next generation mobile communication systems. However, broadband mobile channel is composed of many propagation paths with different time delays, producing severe frequency-selective fading channel. Recently, multi-carrier code division multiple access (MC-CDMA) has been attracting much attention for the broadband wireless access in th...
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In a frequency-selective fading channel, the transmission performance of single-carrier (SC) transmission significantly degrades due to severe inter-symbol-interference (ISI). In this paper, the joint use of space-time transmit diversity (STTD), receive antenna diversity and frequency-domain minimum mean square error (MMSE) equalization in SC transmission is studied. Space-time encoding and dec...
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あらまし サイクリックプリフィックスを用いるシングルキャリア伝送(CP-SC 伝送)に 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(QRM-MLD)による周波数領域ブロック信号検出を用いれば,ビット誤り率(BER) の理論的下界であるマッチドフィルタバウンド(MF bound)に近い BER 特性を達成できる.また,筆者らは最近,各 データブロックにCPの代わりに既知系列を挿入した SC伝送(TA-SC伝送)にQRM-MLD周波数領域ブロック信号検 出を適用すれば,生き残りシンボル候補数が限られた場合でも MF bound に近い BER 特性を達成できることを示し た.更なる特性改善には,送信ダイバーシチの適用が有効である.本報告では,QRM-MLD 周波数領域ブロック信 号検出を用いるCP-SC伝送および TA-SC伝送に循環遅延送信ダイバーシチ(CDTD)を適...
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This paper is concerned with the use of complexmodulated oversampled filter bank for frequency domain equalization in single carrier systems. A novel equalizer structure consisting of a low order linear phase FIR and an all-pass filter is applied in subband-wise compensation of channel amplitude and phase distortions separately. The performance of the proposed filter bank based frequency domain...
متن کاملApplication of space–time transmit diversity to single-carrier transmission with frequency-domain equalisation and receive antenna diversity in a frequency-selective fading channel
In a frequency-selective fading channel, the performance of non-spread-spectrum singlecarrier (SC) transmission degrades significantly due to severe intersymbol interference (ISI). The joint use of space–time transmit diversity (STTD), receive antenna diversity and frequency-domain minimum mean square error (MMSE) equalisation in non-spread SC transmission is studied. Space–time encoding and de...
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ژورنال
عنوان ژورنال: IJARCCE
سال: 2015
ISSN: 2278-1021
DOI: 10.17148/ijarcce.2015.4703