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An improved multiuser scheduling scheme which can reduce feedback load and preserve most of the capacity performance in MIMO channels is proposed in this paper. Each user compares its maximum SINR to a threshold and only those who fall above it along with the index transmit antenna are sent back to the base station. The base station allocates independent channels to the users with the highest SINR...
We propose two fixed power allocation schemes with nulling (FPA-N1 and FPA-N2) for time division duplex (TDD) based cellular uplink according to the location of mobile stations (MSs). In the FPA-N1 scheme, MSs located near a base station (BS) do not transmit data when the wireless channels between the MSs and their home cell BS experience deep fading. In the FPA-N2 scheme, MSs located near cell boundaries...
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