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Frequency domain detectors for ultra-wideband indoor communications

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2 Author(s)
Morosi, S. ; Dipartimento di Elettronica e Telecomunicazioni, Florence Univ., Firenze ; Bianchi, T.

In this paper we propose an innovative communication scheme for ultra-wideband systems which are based on impulse radio. The proposed system relies on both the introduction of the cyclic prefix at the transmitter and the use of a frequency domain detector at the receiver. Two different detection strategies based either on the zero forcing (ZF) or the minimum mean square error (MMSE) criteria have been investigated and compared with the classical RAKE, considering two scenarios where a base station transmits to several mobile terminals in an indoor environment characterized by severe multipath propagation. The results show that the MMSE receiver achieves the best performance, irrespective of the number of active terminals

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Wireless Communications, IEEE Transactions on  (Volume:5 ,  Issue: 10 )