On the Design of Uplink and Downlink Group-Orthogonal Multicarrier Wireless Systems

被引：15
|
作者：
Riera-Palou, Felip [1 ]
Femenias, Guillem [1 ]
Ramis, Jaume [1 ]
机构：
[1] Univ Balearic Isl, Dept Math & Informat, Mobile Commun Grp, Palma de Mallorca, Spain
来源：
IEEE TRANSACTIONS ON COMMUNICATIONS | 2008年 / 56卷 / 10期
关键词：
Group-orthogonal multicarrier code-division multiple access (GO-MC-CDMA); code-division multiplex (CDM); maximum likelihood (ML); diversity; multiuser interference (MUI);
D O I：
10.1109/TCOMM.2008.060497
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：
Group-orthogonal multicarrier code-division multiple access (GO-MC-CDMA) has been proposed as an attractive mutiplexing technique for the uplink segment of wireless systems. More recently, a variant of this scheme has also been proposed for the downlink. This paper presents a unified bit error rate (BER) performance analysis of group-orthogonal wireless systems when using maximum likelihood (ML) multiuser/multisymbol detection covering both link directions. Valuable design rules regarding the number of subcarriers per group and the selection of spreading codes are derived. Simulations results using realistic system parameters and ETSI BRAN channel models are also presented which serve to validate the analytical results.
引用
收藏
页码：1656 / 1665
页数：10
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