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Abstract: The throughput of a linear cellular uplink with a random number of users,different power control schemes, and cooperative base stations is considered inthe large system limit where the number of cells is large for non fadingGaussian channels. The analysis is facilitated by establishing an analogybetween the cellular channel per-cell throughput with joint multi-cellprocessing MCP, and the rate of a deterministic inter-symbol interferenceISI channel with flat fading. It is shown that, under certain conditions, thedynamics of cellular systems i.e., a random number of users coupled with agiven power control scheme can be interpreted, as far as the uplink throughputis concerned, as the flat fading process of the equivalent ISI channel. Theresults are used to demonstrate the benefits of MCP over the conventionalsingle cell processing approach as a function of various system parameters inthe presence of random user activity.



Author: Oren Somekh, Osvaldo Simeone, H. Vincent Poor, Shlomo Shamai Shitz

Source: https://arxiv.org/







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