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A Coordinated Location-dependent Downlink Scheduling Scheme in Cellular TD-CDMA Networks with Partitioned Cells: A Two-Cell Two-Partition Case

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Abstract

A downlink networkwide opportunity scheduling scheme, called coordinated location-dependent downlink scheduling scheme (CLDSS), that combines the intracell power allocation and intercell transmission coordination is proposed for cellular TD-CDMA networks. Each cell in the network is partitioned into co-centric areas based on the load distribution, and the transmission from base stations is controlled based on the intracell load as well as coordinated to minimize intercell interference. The performance in terms of average throughput employing the CLDSS is analyzed for a 2-cell system in shadow fading environment with two partitioned areas in each cell—which provides an upper bound on the cellular system performance. Monte Carlo simulation study is also done to validate the numerical results obtained from the analytical study. It is shown that CLDSS scheme can provide soft throughput, i.e., the average throughput remains relatively invariant with the number of users and also can provide better performance in the non-uniform user distribution within a cell when compared to non-CLDSS schemes.

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Authors and Affiliations

  1. Ryerson University, Toronto, Canada

    Gang Wu & Alagan S. Anpalagan

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  1. Gang Wu
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  2. Alagan S. Anpalagan
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Correspondence to Alagan S. Anpalagan.

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Wu, G., Anpalagan, A.S. A Coordinated Location-dependent Downlink Scheduling Scheme in Cellular TD-CDMA Networks with Partitioned Cells: A Two-Cell Two-Partition Case. Wireless Pers Commun 53, 481–502 (2010). https://doi.org/10.1007/s11277-009-9680-9

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  • DOI: https://doi.org/10.1007/s11277-009-9680-9

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