Downlink joint base-station assignment and packet scheduling algorithm for cellular CDMA/TDMA networks

Navaie, Keivan and Yanikomeroglu, Halim (2006) Downlink joint base-station assignment and packet scheduling algorithm for cellular CDMA/TDMA networks. In: Communications, 2006. ICC '06. IEEE International Conference on. IEEE, TUR, pp. 4339-4344. ISBN 1424403553

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Abstract

In this paper using a utility-based approach, downlink packet transmission in a CDMA/TDMA cellular network is formulated as an optimization problem. A utility function corresponds to each packet served by a base-station that is an increasing function of the packet experienced delay and the channel gain, and a decreasing function of the base-station load. Unlike previous works, in this paper, the optimization objective is to maximize the total network utility instead of the base-station utility. We show that this optimization results in joint base-station assignment and packet scheduling. Therefore, in addition to multi-user diversity, the proposed method also exploits multi-access-point diversity and soft capacity. A polynomial time heuristic algorithm is then proposed to solve the optimization problem. Simulation results indicate a significant performance improvement in terms of packet-drop-ratio and achieved throughput.

Item Type:
Contribution in Book/Report/Proceedings
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ID Code:
72666
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Deposited On:
27 Jan 2015 10:23
Refereed?:
Yes
Published?:
Published
Last Modified:
11 Mar 2020 08:47