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Joint decoding at the base stations of a cellular wireless network enables inter-cell interference mitigation, thus enhancing the system throughput. However, deployment of joint multicell decoding depends critically on the availability of backhaul links connecting the base stations to a central processor. This paper studies a scenario in which finite-capacity unidirectional backhaul links exist only between base stations belonging to adjacent cells. Relying on a linear Wyner-type cellular model with no fading, achievable rates are derived for the two scenarios in which the base stations are endowed only with the codebooks of local (in-cell) mobile stations, or also with the codebooks used in adjacent cells.
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