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Comparative study of adaptive beam-steering and adaptive modulation-assisted dynamic channel allocation algorithms

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3 Author(s)
Blogh, J. ; Dept. of Electron. & Comput. Sci., Southampton Univ., UK ; Cherriman, P. ; Hanzo, L.

A range of dynamic channel allocation (DCA) algorithms, namely, distributed control and locally distributed control assisted DCA arrangements, are studied comparatively. The so-called locally optimized least interference algorithm (LOLIA) emerges as one of the best candidates for future mobile systems, supporting more than twice the number of subscribers in comparison to conventional fixed channel allocation (FCA). It can also cope with unexpected large increases in teletraffic demands while requiring no tedious frequency planning. This is achieved at the cost of more complex call setup and control, and the requirement of fast backbone networks for base station-base station signalling. Adaptive antennas are shown to significantly enhance the capacity of both the LOLIA and FCA-based networks, especially when used in conjunction with adaptive modulation techniques

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Vehicular Technology, IEEE Transactions on  (Volume:50 ,  Issue: 2 )