Distributed algebraic space-time codes for ultra-wideband communications

被引：0
|
作者：
Abou-Rjeily, Chadi
Daniele, Norbert
Belfiore, Jean-Claude
机构：
[1] CEA LETI, Lab Elect & Informat Technol, F-38054 Grenoble, France
[2] Ecole Natl Super Telecommun Bretagne, F-75013 Paris, France
来源：
WIRELESS PERSONAL COMMUNICATIONS | 2007年 / 43卷 / 01期
关键词：
time hopping ultra-wideband (TH-UWB); cooperative diversity; space-time (ST) coding; pulse amplitude modulation (PAM); rake; non-vanishing determinant (NVD);
D O I：
10.1007/s11277-006-9237-0
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this paper, we extend the Amplify-and-Forward cooperative diversity scheme to the context of impulse radio ultra-wideband. In particular, we present the construction of two families of distributed algebraic space-time codes. The first family is based on totally real cyclic division algebras. The second family encodes the pulses used to transmit one information symbol and permits to achieve high-performance levels with lower complexity. Both families of codes achieve full rate, full diversity with non-vanishing determinants with various numbers of relays. Simulations performed over realistic indoor UWB channel models show important performance gains.
引用
收藏
页码：107 / 121
页数：15
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