A distributed space-time coding in asynchronous wireless relay networks

Jing and Hassibi recently presented a detailed analysis on the problem of distributed space-time coding for a synchronized wireless relay network, where only linear transforms are implemented at relay nodes, and proposed a linear dispersion coding scheme. In this letter, we extend it to asynchronous...

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Vydáno v:IEEE transactions on wireless communications Ročník 7; číslo 5; s. 1812 - 1816
Hlavní autoři: Xiaoyong Guo, Xiaoyong Guo, Xiang-Gen Xia, Xiang-Gen Xia
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 01.05.2008
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Block codes
Coding
Constellation diagram
Decoding
Demodulation
Design engineering
Digital relays
Dispersions
Numerical simulation
OFDM
Relay
Relay networks
Space time codes
Time measurements
Timing
Transforms
Wireless communication
Wireless networks
ISSN:1536-1276, 1558-2248
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Shrnutí:Jing and Hassibi recently presented a detailed analysis on the problem of distributed space-time coding for a synchronized wireless relay network, where only linear transforms are implemented at relay nodes, and proposed a linear dispersion coding scheme. In this letter, we extend it to asynchronous wireless networks by employing OFDM to combat timing errors from relay nodes. Based on a layered structure, we present a distributed space-time code design achieving full spatial diversity for an asynchronous wireless relay network.
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ISSN:1536-1276
1558-2248
DOI:10.1109/TWC.2008.070042