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학술지 Adaptive Processing Gain CDMA Networks Over Poisson Traffic Channel
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저자
최권휴, 김수영, 전경훈
발행일
200207
출처
IEEE Communications Letters, v.6 no.7, pp.273-275
ISSN
1089-7798
출판사
IEEE
DOI
https://dx.doi.org/10.1109/LCOMM.2002.801338
협약과제
02MR3700, 초고속 위성통신에서의 효율적인 전송 기술, 김수영
초록
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.
키워드
Adaptive system, Capacity, Code division multi-access, Communication system traffic, Information rates, Time-varying channels
KSP 제안 키워드
Adaptive Processing, Adaptive data rate, Adaptive rate, Adaptive system, Channel delay, Code division Multiple Access(CDMA), Communication system traffic, Linear increase, Multi-access, Poisson traffic, Processing gain