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This work centers on the downlink scheduling algorithm for such cellular wireless networks with relays as IEEE802.16j. We propose an efficient algorithm to discover concurrent transmission scenarios under a multihop relay environment, while applying the back-pressure flow control mechanism to reflect the dynamic queue status of each relay station. Then, we develop a linear programming algorithm for...
The purpose of this paper is to compare two interference avoidance techniques for time division duplex (TDD) wireless networks, viz.: a novel technique termed asymmetry balancing and the known zone division (ZD) principle. Both asymmetry balancing and ZD strive to reduce the same-entity interference (mobile station (MS)-to-MS and base station (BS)-to-BS) that occurs during crossed slots, i.e. slots...
This paper proposes a novel approach to interference avoidance via inter-cell relaying in cellular OFDMA-TDD (orthogonal frequency division multiple access - time division duplex) systems. The proposed scheme, termed asymmetry balancing, is targeted towards next-generation cellular wireless systems which are envisaged to have ad hoc and multi-hop capabilities. Asymmetry balancing resolves the detrimental...
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