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Adaptive Processing Gain CDMA Networks Over Poisson Traffic Channel
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- Authors
- Kwon Hue Choi, Soo Young Kim Shin, Kyungw Hoon Cheun
- Issue Date
- 2002-07
- Citation
- IEEE Communications Letters, v.6, no.7, pp.273-275
- ISSN
- 1089-7798
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- The performance of an adaptive data rate transmission for uplink code-division multiple-access (CDMA) networks is analyzed where processing gain is adaptively changed according to the channel traffic density in order that a desired signal-to-interference ratio (SIR) can be achieved. The throughput of the adaptive rate system is asymptotically constant with respect to the proposed traffic density and is significantly improved compared to the fixed rate system. In addition, as the traffic density increases the adaptive rate system achieves almost linear increase in the channel delay, while that of the fixed rate system shows abrupt increase.
- KSP Keywords
- Adaptive Processing, Adaptive data rate, Adaptive rate, Channel delay, Code division Multiple Access(CDMA), Linear increase, Poisson traffic, Processing gain, Traffic channel, fixed-rate, signal to interference ratio(SIR)