Transmit/receive antenna diversity for frequency-interleaved single-carrier spread spectrum multi-access with frequency-domain equalization

被引：0

作者：

Takeda, Kazuaki ^{[1
]}

Adachi, Fumiyuki ^{[1
]}

机构：

[1] Tohoku Univ, Grad Sch Engn, Dept Elect & Commun Engn, Aoba Ku, Sendai, Miyagi 9808579, Japan

来源：

2007 IEEE WIRELESS COMMUNICATIONS & NETWORKING CONFERENCE, VOLS 1-9 | 2007年

关键词：

frequency-interleaving; MMSE-FDE; space-time transmit diversity; receive antenna diversity;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Frequency-domain equalization (FDE) based on the minimum mean square error (MMSE) criterion can significantly improve the downlink bit error rate (BER) performance of DS-CDMA in a frequency-selective fading channel. However, the uplink BER performance degrades due to a strong multi-user interference (MUI). We have proposed frequency-interleaved single-carrier spread spectrum multi-access (SC-SSMA) with MMSE-FDE, in which the subcarrier components of each user's signal are interleaved onto a wider bandwidth. Since frequency-interleaving patterns assigned to different users are orthogonal to each other, frequency-interleaved SC-SSMA can avoid the MUI completely while achieving frequency diversity gain with MMSE-FDE. In this paper, transmit/receive antenna diversity is applied to frequency-interleaved SC-SSMA with MMSE-FDE to further improve the BER performance. Its conditional BER is derived for the given set of channel gains. The average BER performance is numerically evaluated using the derived conditional BER and is confirmed by computer simulation.

引用

页码：2003 / 2007

页数：5

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