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Power control based on the Asynchronous Distributed Pricing Algorithm in cognitive radios

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2 Author(s)
Xuexue Zhang ; Sch. of Electron. & Inf. Eng., Beijing Jiaotong Univ., Beijing, China ; Junhui Zhao

Based on a Space-Time Block Coding Multi-Carrier Code Division Multiple Access (STBC MC-CDMA) system, a Asynchronous Distributed Pricing (ADP) Algorithm is studied in this paper, in which the cognitive radio(CR) users announces a price that reflect other users' compensation paid. The power control is implemented by updating pricing and power level. The ADP algorithm is a distributed power control scheme based on the supermodular game theory. Introduced in the STBC MC-CDMA system, it can improve the capacity and the utility of the system, and show faster convergence.

Published in:

Information Computing and Telecommunications (YC-ICT), 2010 IEEE Youth Conference on

Date of Conference:

28-30 Nov. 2010

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