Abstract
Fixed wireless schemes are increasingly being used for broadband access, and maximising the spectrum efficiency is an important concern for these applications. However, the fixed wireless access environment differs from the more widely studied mobile cellular case, and the optimum algorithms for achieving high spectrum efficiencies are different, since intercell handoff and fast fading are in many cases not significant concerns. We show that the use of intracell handoffs in this environment can provide capacities in excess of any scheme that does not use 100% frequency re-use. Further, we show that previously reported optimum schemes concerning the use of adaptive modulation and coding, channel selection and power control have to be modified when intracell handoffs are considered.
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Dave Pearce is a lecturer in the Communications Group, Department of Electronics, at the University of York in England. He received the BA degree in 1985 from the University of Cambridge, and a PhD in 2001 from the University of York. He has led projects in fields from radio propagation to transport layer protocol issues, with current research interests in the interaction between radio resource allocation algorithms and higher-level protocols, and in particular the use of traffic shaping to enhance spectrum efficiency.
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Pearce, D. On The Effects of Intracell Handoff on Resource Allocation Algorithms for Fixed Wireless Access Systems. Wireless Pers Commun 32, 127–138 (2005). https://doi.org/10.1007/s11277-005-2515-4
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DOI: https://doi.org/10.1007/s11277-005-2515-4