A novel CQI-assisted sounding design for TDD LTE-Advanced system

Abstract

In the long term evolution (LTE) time division duplex (TDD) systems, base stations use uplink sounding reference signals (SRSs) to estimate downlink channel state information (CSI) for downlink beamforming transmissions. Because SRSs sent by up to 8 users are multiplexed on the same time-frequency resources, there exist mutual interferences among these SRSs… (More)
DOI: 10.1109/ICC.2012.6364280

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