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Distributed space-time-coded protocols for exploiting cooperative diversity in wireless networks
Abstract
We develop and analyze space-time coded cooperative diversity protocols for combating multipath fading across multiple protocol layers in a wireless network. The protocols exploit spatial diversity available among a collection of distributed terminals that relay messages for one another in such a manner that the destination terminal can average the fading, even though it is unknown a priori which terminals will be involved. In particular, a source initiates transmission to its destination, and many relays potentially receive the transmission. Those terminals that can fully decode the transmission utilize a space-time code to cooperatively relay to the destination. We demonstrate that these protocols achieve full spatial diversity in the number of cooperating terminals, not just the number of decoding relays, and can be used effectively for higher spectral efficiencies than repetition-based schemes. We discuss issues related to space-time code design for these protocols, emphasizing codes that readily allow for appealing distributed versions.
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Cited by
Cooperative Spectrum Sensing in Cognitive Radio, Part II: Multiuser Networks
Ganesan, G., & Ye, L. (2007) · IEEE Transactions on Wireless Communications · doi:10.1109/twc.2007.05776 · Cited by 873
Signal Processing in Cognitive Radio
Ma, J., Li, G. Y., & Juang, B. H. (2009) · Proceedings of the IEEE · doi:10.1109/jproc.2009.2015707 · Cited by 533
(2006) · Springer eBooks · doi:10.1007/1-4020-4711-8 · Cited by 363
Kramer, G., Marić, I., & Yates, R. D. (2006) · Foundations and Trends® in Networking · doi:10.1561/1300000004 · Cited by 282
Cooperation in 4G - Hype or Ripe?
Dohler, M., Meddour, D.-D., Senouci, S.-M., & Saadani, A. (2008) · IEEE Technology and Society Magazine · doi:10.1109/mts.2008.918035 · Cited by 46
Metadata
- Authors
- Laneman, J. N., & Wornell, G. W.
- Venue
- IEEE Transactions on Information Theory
- Published
- 2003-10
- Volume
- 49
- Issue
- 10
- Pages
- 2415-2425
- ISSN
- 0018-9448 (ISSN-L)
- OpenAlex
- W2026898705
- Cited by
- 4,002
- References
- 0
- FWCI
- 189.85
- Type
- journal article
- Language
- en
- Open access
- closed
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- Laneman, J. N., & Wornell, G. W. (2003). Distributed space-time-coded protocols for exploiting cooperative diversity in wireless networks. IEEE Transactions on Information Theory. https://doi.org/10.1109/tit.2003.817829
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