Estimating Regions of Service in Wireless Indoor Communication Systems

Future indoor wireless communications systems are likely to be cellular in structure with very small cells, employing frequency reuse both horizontally and vertically. This paper investigates the effects that signal variability, mean power and obstacles in the indoor environment may have on system performance. Results show that if the desired signal suffers Rician fading, the spectral efficiency is higher than that for Rayleigh fading. Walls in buildings increase the path loss between cochannel cells allowing a reduction in the reuse distance and a concomitant increase in the spectral efficiency. Noise emanating from office equipment is likely to influence system performance in indoor environments and a technique for treating noise as stochastic inteiference is presented.

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