Mobility Investigate

Survey of Related Technologies for Improved Spectrum Efficiency

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Executive Summary

The most noted effect of rapid growth in wireless networks in recent years has been the issues of spectrum usage and management because of its importance in wireless communication as the medium of data transmission. Efficient utilization of spectrum has been the major concerns in spectrum management over recent years because of the notion that radio spectrum is scarce, finite, and non-replicable. New technologies find it difficult to be allocated frequencies for their operations because most usable frequencies have already been allocated to licensed users while the unlicensed spectrum bands are becoming overcrowded. Researchers have however shown that some of the allocated spectrum bands are not been used at some particular time in a particular location.

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