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Proceedings Paper

Power control of voice users using pricing in wireless networks
Author(s): Peifang Zhang; Scott Jordan; Peijuan Liu; Michael L. Honig
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Paper Abstract

We consider power control for voice users in a wideband CDMA wireless network. We investigate admission control policies that base a new call admission decision not only upon available capacity but also upon the required downlink transmit power and upon the user's willingness to pay. We assume that each voice user has a utility function that describes the user's willingness to pay as a function of downlink SINR. The network is assumed to desire to either maximize total utility of all users or total revenue generated from all users. We present a numerical study of a single cell. We display the optimal power allocation to each user, as a function of the geographical distribution of users, for a selection of different utility function distributions. We demonstrate how prices per code and per unit transmitted power can be used to achieve the optimal power allocation in a distributed fashion, and the variation of these prices with system load.

Paper Details

Date Published: 27 July 2001
PDF: 11 pages
Proc. SPIE 4531, Modeling and Design of Wireless Networks, (27 July 2001); doi: 10.1117/12.434449
Show Author Affiliations
Peifang Zhang, Univ. of California/Irvine (United States)
Scott Jordan, Univ. of California/Irvine (United States)
Peijuan Liu, Northwestern Univ. (United States)
Michael L. Honig, Northwestern Univ. (United States)

Published in SPIE Proceedings Vol. 4531:
Modeling and Design of Wireless Networks
Edwin K. P. Chong, Editor(s)

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