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Interference, sensitivity and capacity analysis for measurement-based wireless access spectrum sharing

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5 Author(s)

In this paper, interference caused by multiple uncoordinated low-power wireless access system transmitters to fixed point-to-point microwave receivers is analyzed. The analysis shows that the density of wireless access system users that can share spectrum with point-to-point microwave systems depends critically on the propagation relation, the threshold of detecting energy from point-to-point transmitters, and the allowable interference into point-to-point receivers. We also show that, for reasonable assumptions of point-to-point link, wireless access system, and propagation parameters, a wireless access system employing measurement-based interference avoidance must detect energy of point-to-point transmissions far below the thermal noise floor of the wireless access system receivers. Meeting this requirement could increase the complexity of wireless access systems. This work is targeted towards understanding the implications for local exchange networks of wireless system alternatives that could provide access to those networks

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Vehicular Technology, IEEE Transactions on  (Volume:43 ,  Issue: 3 )