Optimum Power Assignment for Maximum Throughput in CDMA Personal Communication Systems with Integrated Voice/Data Traffic

Authors:
Qiang Shen;Witold A. Krzymien
Affiliations:
Telecommunications Research Laboratories (TRLabs), University of Alberta, 800 Park Plaza, 10611-98th Ave., Edmonton, Alberta, Canada T5K 2P7 E-mail: wak@edm.trlabs.ca;Telecommunications Research Laboratories (TRLabs), University of Alberta, 800 Park Plaza, 10611-98th Ave., Edmonton, Alberta, Canada T5K 2P7 E-mail: wak@edm.trlabs.ca
Venue:
Wireless Personal Communications: An International Journal
Year:
1998

Citing 2
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Theory, Volume 1, Queueing Systems

Theory, Volume 1, Queueing Systems
Rapid acquisition algorithms for synchronization of bursty transmissions in CDMA microcellular and personal wireless systems

IEEE Journal on Selected Areas in Communications

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Abstract

A CDMA personal communication system with integratedvoice/data traffic is considered, in which the linkerror performance is controlled according to the voiceerror rate requirement, and the acceptable datatraffic error rate is ensured by ARQ. Optimum powerassignment (or allocation) between voice and datausers is investigated to maximize the total systemthroughput. A graphical method (the tangent method) isdescribed to obtain this optimum power allocation. Themaximum throughput is expressed as a function of othersystem parameters. The tangent method is further usedto measure the impact of transmission quality on themaximum data throughput. Numerical results and adesign example are given for a power controlledwideband IS-95 type wireless personal communicationsystem.