The capacity improvement of an integrated successive decoding and power control scheme

Chun C. Chan; Stephen V. Hanly

doi:10.1109/ICUPC.1997.627273

The capacity improvement of an integrated successive decoding and power control scheme

Chun C. Chan^*, Stephen V. Hanly

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

16 Citations (Scopus)

Abstract

The application of multiuser detection and interference cancellation techniques can greatly increase the capacity of wireless networks. In the present paper, we focus on successive decoding DS-CDMA systems. By successively decoding the strongest user and canceling it from the received signal in decreasing received power order, the in-cell interference is minimized. In a multicellular environment, the other-cell interference can be greatly reduced by employing the proposed power control scheme. The simplified analytical model has shown a reverse-link capacity gain of 2.26 over the conventional DS-CDMA system, under the assumptions of no lognormal shadowing, uniform user density, and taking a deterministic number of active users based on the mean voice activity level. With added complexity of lognormal shadowing, binomially distributed active users, the detailed simulation model has shown a capacity gain of 2 over the conventional system. Both models are under the assumption of perfect interference cancellation and negligible decoding errors.

Original language	English
Title of host publication	Annual International Conference on Universal Personal Communications - Record
Place of Publication	Piscataway, N.J.
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	800-804
Number of pages	5
Volume	2
ISBN (Electronic)	0780337786, 0780337794
ISBN (Print)	0780337778
DOIs	https://doi.org/10.1109/ICUPC.1997.627273
Publication status	Published - Oct 1997
Externally published	Yes
Event	Proceedings of the 1997 IEEE 6th International Conference on Universal Personal Communications, ICUPC'97. Part 1 (of 2) - San Diego, CA, USA Duration: 12 Oct 1997 → 16 Oct 1997

Other

Other	Proceedings of the 1997 IEEE 6th International Conference on Universal Personal Communications, ICUPC'97. Part 1 (of 2)
City	San Diego, CA, USA
Period	12/10/97 → 16/10/97

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10.1109/ICUPC.1997.627273

Cite this

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title = "The capacity improvement of an integrated successive decoding and power control scheme",

abstract = "The application of multiuser detection and interference cancellation techniques can greatly increase the capacity of wireless networks. In the present paper, we focus on successive decoding DS-CDMA systems. By successively decoding the strongest user and canceling it from the received signal in decreasing received power order, the in-cell interference is minimized. In a multicellular environment, the other-cell interference can be greatly reduced by employing the proposed power control scheme. The simplified analytical model has shown a reverse-link capacity gain of 2.26 over the conventional DS-CDMA system, under the assumptions of no lognormal shadowing, uniform user density, and taking a deterministic number of active users based on the mean voice activity level. With added complexity of lognormal shadowing, binomially distributed active users, the detailed simulation model has shown a capacity gain of 2 over the conventional system. Both models are under the assumption of perfect interference cancellation and negligible decoding errors.",

author = "Chan, \{Chun C.\} and Hanly, \{Stephen V.\}",

year = "1997",

month = oct,

doi = "10.1109/ICUPC.1997.627273",

language = "English",

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booktitle = "Annual International Conference on Universal Personal Communications - Record",

publisher = "Institute of Electrical and Electronics Engineers (IEEE)",

address = "United States",

note = "Proceedings of the 1997 IEEE 6th International Conference on Universal Personal Communications, ICUPC'97. Part 1 (of 2) ; Conference date: 12-10-1997 Through 16-10-1997",

}

Chan, CC & Hanly, SV 1997, The capacity improvement of an integrated successive decoding and power control scheme. in Annual International Conference on Universal Personal Communications - Record. vol. 2, 627273, Institute of Electrical and Electronics Engineers (IEEE), Piscataway, N.J., pp. 800-804, Proceedings of the 1997 IEEE 6th International Conference on Universal Personal Communications, ICUPC'97. Part 1 (of 2), San Diego, CA, USA, 12/10/97. https://doi.org/10.1109/ICUPC.1997.627273

The capacity improvement of an integrated successive decoding and power control scheme. / Chan, Chun C.; Hanly, Stephen V.
Annual International Conference on Universal Personal Communications - Record. Vol. 2 Piscataway, N.J.: Institute of Electrical and Electronics Engineers (IEEE), 1997. p. 800-804 627273.

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

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AU - Hanly, Stephen V.

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AB - The application of multiuser detection and interference cancellation techniques can greatly increase the capacity of wireless networks. In the present paper, we focus on successive decoding DS-CDMA systems. By successively decoding the strongest user and canceling it from the received signal in decreasing received power order, the in-cell interference is minimized. In a multicellular environment, the other-cell interference can be greatly reduced by employing the proposed power control scheme. The simplified analytical model has shown a reverse-link capacity gain of 2.26 over the conventional DS-CDMA system, under the assumptions of no lognormal shadowing, uniform user density, and taking a deterministic number of active users based on the mean voice activity level. With added complexity of lognormal shadowing, binomially distributed active users, the detailed simulation model has shown a capacity gain of 2 over the conventional system. Both models are under the assumption of perfect interference cancellation and negligible decoding errors.

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The capacity improvement of an integrated successive decoding and power control scheme

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