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An Efficient Receiver for Preamble Detection in LTE SC-FDMA Systems with an Antenna Array

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2 Author(s)
Lee, M.-S. ; Wireless Telecommun. Res. Dept., Electron. & Telecommun. Res. Inst. (ETRI), Daejeon, South Korea ; Young-Min Choi

In this letter, we propose an efficient low complexity receiver for the preamble detection in single-carrier frequency division multiple access (SC-FDMA) systems with an antenna array. The proposed low complexity receiver is derived using a digital mixer and a multistage decimation filter. The signals for each receive antenna are non-coherently combined. Simulations performed in various channel environments validate that the proposed receiver attains a high detection performance equivalent to the full frequency domain approach which provides the optimal performance, while being quite low in computational complexity.

Published in:

Communications Letters, IEEE  (Volume:14 ,  Issue: 12 )