Parametric Channel Estimation by Exploiting Hopping Pilots in Uplink OFDMA

Details Parametric Channel Estimation by Exploiting Hopping Pilots in Uplink OFDMA Parametric Channel Estimation by Exploiting Hopping Pilots in Uplink OFDMA

2008-11-04

arxiv.org/abs/0811.0417v1

Computer Science

Information Theory

5 pages, 3 figures, Appeared in IEEE PIMRC'08

Scientific paper

This paper proposes a parametric channel estimation algorithm applicable to uplink of OFDMA systems with pseudo-random subchannelization. It exploits the hopping pilots to facilitate ESPRIT to estimate the delay subspace of the multipath fading channel, and utilizes the global pilot tones to interpolate on data subcarriers. Hence, it outperforms the traditional local channel interpolators considerably.

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