Impact of distributed antenna system in inter-cell interference

Tong, F. and Glover, I.A. and Pennock, S. and Shepherd, P. (2004) Impact of distributed antenna system in inter-cell interference. In: 7th European Conference on Wireless Technology, 2004-10-11 - 2004-10-12.

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A distributed antenna diversity system can he effective in combating the effects of shadowing, but this results in some antenna units being closer to adjacent cells. Studying this in a free space propagation environment we show that a distributed antenna has marginally worse iutercell interference than a single antenna at the centre of a cell when the total transmission power in the two systems are equal. We also show that the orientation of the distributed antenna influences the inter-cell interference. However, when downlink transmission power is controlled to produce constant signal-to-noise ratio acrass the cell, the distributed antenna system is seen to yield significantly better interference performance than the single antenna system