Performance comparison of adaptive power control in UMTS

Publication Type:
Conference Proceeding
The 2nd International Conference on Wireless Broadband and Ultra Wideband Communications, AusWireless 2007, 2007
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Universal Mobile Telecommunication System (UMTS) networks rely on the performance of power control algorithms in use. The conventional power control in UMTS is a fixed stepsize algorithm which can achieve only limited performance. A number of advanced power control techniques have been presented in the literature. However, it is difficult to compare the performance of algorithms from different literature because they were evaluated based on different simulation environments and assumptions. In this paper, performance of a number of adaptive power control algorithm is compared under the same simulation environment and assumptions. The simulation results show that AS-CLPC provides the best performance for low-speed users, and SA-CLPC provides the best performance for high-speed users. © 2007 IEEE.
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