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Impact of Shadowing Correlation on Spectrum Efficiency of a Power Controlled Cellular System
Kentarou SAWA Eisuke KUDOH Fumiyuki ADACHI
IEICE TRANSACTIONS on Communications
Publication Date: 2004/07/01
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Wireless Communication Technology
cellular system, frequency reuse distance, transmit power control, outage, shadowing correlation,
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Independent shadowing losses are often assumed for computing the frequency reuse distance of cellular mobile communication systems. However, shadowing losses may be partially correlated since the obstacles surrounding a mobile station block similarly the desired signal and interfering signals. We investigate, by computer simulation, how the shadowing correlation impacts the frequency reuse distance of a power controlled cellular system. It is pointed out that the shadowing correlation impacts the frequency reuse distance differently for the uplink and downlink.