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Adaptive Fractional Time Reuse for Multi-Cell OFDMA Networks
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- Authors
- Yun Hee Cho, Seok Seo, Jae-su Song, Seung-Hwan Lee, Hwang S. Lee
- Issue Date
- 2013-09
- Citation
- IEEE Communications Letters, v.17, no.9, pp.1798-7801
- ISSN
- 1089-7798
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- In this letter, we focus on an inter-cell time-domain resource partitioning that adapts to time varying user distribution and traffic loads for multi-cell OFDMA networks. We propose an adaptive fractional time reuse (FTR) scheme that combines reuse 1, soft FTR, and an inter-cell time-domain resource partitioning algorithm in conjunction with intra-cell user scheduling to maximize the network-wide performance. Through intensive simulations, we show that the proposed adaptive FTR significantly improves the 5th percentile average throughput while sustaining the geometric average throughput. © 2013 IEEE.
- KSP Keywords
- Average Throughput, Geometric average, Multi-cell, OFDMA Networks, Partitioning Algorithm, Traffic Load, inter-cell, intra-cell, resource partitioning, time-domain, time-varying