Subspace based channel estimation with multiple receivers in reuse-1 OFDMA systems - impact on diversity combining and nulling

Abstract

In this paper, we evaluate the performance of subspace based channel estimation method with multiple receivers in reuse-1 OFDM systems. Users in reuse-1 cellular network will typically see signal to interference ratio (SIR) nearly 0dB on the broadcast pilot subcarriers. Good channel estimation and tracking become very difficult for the interference limited… (More)

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