Performance evaluation of MC-CDMA techniques for variable bit-rate transmission in LEO satellite networks

被引：0
|
作者：
Sacchi, C [1 ]
Gera, G [1 ]
Regazzoni, CS [1 ]
机构：
[1] Univ Genoa, Dept Biophys & Elect Engn, Siganl Proc & Telecommun Grp, I-16145 Genoa, Italy
来源：
2001 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-10, CONFERENCE RECORD | 2001年
关键词：
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：
This work(1) is aimed at investigating the use of Multi-Carrier CDMA (MC-CDMA) techniques in variable bit-rate transmission over low-earth-orbit (LEO) satellite channels by means of realistic simulations. It is known by literature that MC-CDMA techniques are much more resilient with respect to multi-user interference effects in multipath fading channels than single-carrier DS/CDMA ones. Moreover, MC-CDMA exhibits a natural capability to deliver multirate services simply by assigning to each user a variable-cardinality set of subcarriers. The achieved simulation results clearly confirmed the expected improved robustness of MC-CDMA techniques transmitting multirate data streams in frequency selective LEO satellite channels, with respect to state-of-the-art DS/CDMA transceivers.
引用
收藏
页码：2650 / 2654
页数：5
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