Mobility

Cutting Edge at the Cell Edge: Co-Channel Interference Mitigation in Emerging Broadband Wireless Systems

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Executive Summary

Emerging Broadband Wireless systems, such as those based on IEEE 802:16m or 3GPP LTE-A, will re-use spectrum in every sector (1 : 1 reuse) and maximize system spectrum efficiency. In so doing, the spectrum efficiency for cell-edge users is very poor in comparison with the system wide average, and nomadic users located near the cell edge experience very low throughput. This is an important concern for India, where nomadic users constitute 85% of mobile phone users, urban cells are relatively small, and the fraction of cell-edge users is as high as 40%.

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