Convolutional multiplexing for multicarrier systems

被引：0
|
作者：
Jiang, Wei [1 ]
Li, Daoben [1 ]
Mao, Xingpeng [2 ]
机构：
[1] Beijing Univ Posts & Telecommun, Sch Informat Engn, Beijing 100876, Peoples R China
[2] Harbin Inst Technol, Dept Commun Engn, Shanghai 264209, Peoples R China
来源：
2007 IEEE WIRELESS COMMUNICATIONS & NETWORKING CONFERENCE, VOLS 1-9 | 2007年
基金：
中国国家自然科学基金;
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：
A new multiplexing scheme with high diversity gain for multicarrier systems, which is called Multicarrier Convolutional Multiplexing (MCCM), is proposed. In this scheme the data symbols are spread onto several subcarriers by a convolutional spreader. Compared to the conventional OFDM (Orthogonal Frequency Division Multiplexing) system, the MCCM system using well designed spreading codes can achieve diversity with order equal to the length of the codes in frequency selective fading channels. A simple free distance searching algorithm is utilized to search the codes with the optimized performance. The best codes of length four are presented and their performance is evaluated by numerical simulations.
引用
收藏
页码：634 / +
页数：2
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