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This paper investigates the impact of limited feedback on the uplink of a wireless network with multiple access points. The network adopts universal frequency re-use with each access point serving a set of users using orthogonal signalling. All wireless nodes are multiple-input-multiple-output-capable. Block Diagonalization, a popular technique for interference cancellation, is performed at each transmitter...
This paper investigates the impact of limited feedback on user throughput in the uplink of a cellular system. We consider scenarios where the base-station has limited feedback resources, which it needs to allocate across the users it serves. We propose a general model that captures the effect of feedback allocation on the achievable rates for a user, which allows us to characterize the rate region...
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