Abstract
In this paper, the performance of coding and diversity in narrowband wireless cellular systems affected by fading, shadowing and co-channel interference is analyzed. We consider low-order diversity, that can be practically realized for both coherent and differential phase shift keying. We assume that the shadowing random processes affecting all transmitted signals do not vary appreciably over the transmission duration. Fading, on the contrary, is assumed to vary more rapidly. Our main focus here is on outage probability. After choosing a performance indicator, its expectation is taken with respect to fading and co-channel interference, conditionally on shadowing. Hence, the resulting average performance indicator is a random variable. The probability that this random variable exceeds a specified threshold defines the outage probability. We consider as performance indicators (i) the channel cut-off rate R0 and (ii) the bit error rate Pb of an actual coded scheme. As we are interested in interference-limited, rather than power-limited systems, we evaluate both R0 and Pb for very high signal-to-noise ratios. Results are parameterized by the frequency reuse factor and the diversity order.
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Biglieri, E., Caire, G., Taricco, G. et al. Co-Channel Interference in Cellular Mobile Radio Systems with Coded PSK and Diversity. Wireless Personal Communications 6, 39–68 (1998). https://doi.org/10.1023/A:1008892503898
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DOI: https://doi.org/10.1023/A:1008892503898