Mobility

Wideband Sensing for Cognitive Radio Systems in Heterogeneous Next Generation Networks

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Executive Summary

Mobile Next Generation Network (MNGN) is characterized as heterogeneous network where varieties of access technologies are meant to coexist. Decisions on choosing an air interface that meets a particular need at a particular time will be shifted from the network's side to (a more intelligent) user's side. On top of that network operators and regularities have come to the realization that assigned spectrum bands are not utilized as they should be. Cognitive radio stands out as a candidate technology to address many emerging issues in MNGN such as capacity, quality of service and spectral efficiency. As a transmission strategy, cognitive radio systems depend greatly on sensing the radio environment.

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