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A new approach for finding optimal base stations configuration for CDMA systems jointly with uplink and downlink constraints

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3 Author(s)
Ngadiman, Y. ; Inst. for Infocomm Res. ; Chew, Y.H. ; Yeo, B.S.

The problem of finding an optimal base station (BS) configuration for CDMA networks given a set of candidate BS sites is investigated. The design is first formulated as an optimization problem. Features which are unique to CDMA, such as power control, intra-cell and other cell interference, etc., are included in our consideration. In particular, the signal-to-interference ratio (SIR) in both uplink and downlink of each MS is taken as the quality of measure. The solution to the problem is simplified by using a heuristic algorithm. The heuristic begins from all candidate BS sites being activated and assignment of each mobile station (MS) to BS is based on smallest path loss. It then proceeds to deactivate the sites one by one until the minimum number of sites needed to serve the traffic is obtained

Published in:

Personal, Indoor and Mobile Radio Communications, 2005. PIMRC 2005. IEEE 16th International Symposium on  (Volume:4 )

Date of Conference:

11-14 Sept. 2005