Optimization of pilot power for load balancing in WCDMA networks

Author

Siomina, I. ; Di Yuan

Author_Institution

Dept. of Sci. & Technol., Linkoping Univ., Norrkoping, Sweden

Volume

6

fYear

2004

fDate

Nov. 29 2004-Dec. 3 2004

Firstpage

3872

Abstract

In WCDMA networks, the power level of the common pilot channel (CPICH) has a significant impact on the network performance. The power level of a pilot signal determines the cell size, and thereby the load of the cell. By taking into account the variation of the traffic intensity over the service area, the pilot power can be adjusted to equalize the traffic load over the cells. We present a model for load balancing in WCDMA networks, and propose an algorithm for solving the load balancing optimization problem subject to the constraint of full coverage of the service area. We report our computational experiments for the real-life WCDMA networks of Berlin and Lisbon.

Keywords

3G mobile communication; cellular radio; optimisation; telecommunication traffic; 3G mobile communication; W-CDMA; WCDMA network load balancing; cell size; common pilot channel; pilot power optimization; traffic intensity; Base stations; Computer networks; Constraint optimization; Intelligent networks; Interference; Load management; Load modeling; Multiaccess communication; Telecommunication traffic; Traffic control;

fLanguage

English

Publisher

ieee

Conference_Titel

Global Telecommunications Conference, 2004. GLOBECOM '04. IEEE

Conference_Location

Dallas, TX

Print_ISBN

0-7803-8794-5

Type

conf

DOI

10.1109/GLOCOM.2004.1379093

Filename

1379093