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We introduce an opportunistic interference mitigation (OIM) protocol for cellular networks, where a user scheduling strategy is utilized in uplink K-cell environments with time-invariant channel coefficients and base stations (BSs) having M receive antennas. In the OIM scheme, each BS opportunistically selects a set of users who generate the minimum interference to the other BSs. We consider two OIM...
A novel hybrid feedback protocol is proposed for the multiuser multiple-input multiple-output downlink system. In the system under consideration, per-antenna scheduling is utilized. The base station (BS) employs spatial multiplexing and the users utilize zero-forcing receivers, creating multiple parallel spatial channels. For each spatial channel, exactly one user is scheduled at the BS, based on...
We study the problem of distributed scheduling in multi-hop MIMO networks. We first develop a ``MIMO-pipe" model that provides the upper layers a set of rates and SINR requirements, which capture the rate-reliability tradeoff in MIMO communications. The main thrust of this study is then dedicated to developing CSMA-based MIMO-pipe scheduling under the SINR model. We choose the SINR model over...
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