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Information capacity and power control in single-cell multiuser communications
Abstract
We consider a power control scheme for maximizing the information capacity of the uplink in single-cell multiuser communications with frequency-flat fading, under the assumption that the users attenuations are measured perfectly. Its main characteristics are that only one user transmits over the entire bandwidth at any particular time instant and that the users are allocated more power when their channels are good, and less when they are bad. Moreover, these features are independent of the statistics of the fading. Numerical results are presented for the case of single-path Rayleigh fading. We show that an increase in capacity over a perfectly-power controlled (Gaussian) channel can be achieved, especially if the number of users is large. By examining the bit error-rate with antipodal signalling, we show the inherent diversity in multiuser communications over fading channels.
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Cited by
Gesbert, D., Kountouris, M., Heath, R. W., Chae, C.-B., & Salzer, T. (2007) · IEEE Signal Processing Magazine · doi:10.1109/msp.2007.904815 · Cited by 1,083
Zhao, M., Gong, X., Liang, J., Wang, W., Que, X., & Cheng, S. (2015) · IEEE Transactions on Circuits and Systems for Video Technology · doi:10.1109/tcsvt.2014.2357094 · Cited by 86
Metadata
- Authors
- Knopp, R., & Humblet, P. A.
- Venue
- Proceedings IEEE International Conference on Communications ICC '95
- Publisher
- IEEE
- Published
- 2002-11-19
- Volume
- 1
- Pages
- 331-335
- ISSN
- 1550-3607 (ISSN-L)
- OpenAlex
- W2158116199
- Cited by
- 2,059
- References
- 0
- FWCI
- 60.98
- Type
- conference paper
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Information capacity and power control in single-cell multiuser communications. https://app.cochat.ai/papers/10.1109/icc.1995.525188
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- Knopp, R., & Humblet, P. A. (2002). Information capacity and power control in single-cell multiuser communications. Proceedings IEEE International Conference on Communications ICC '95. https://doi.org/10.1109/icc.1995.525188
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