Asymptotic Design and Analysis of Multiuser Detector for UWB High Data Rate Channel Based on Channel Division Multiple Access

DOI: 10.4236/cn.2013.53B2122   PDF   HTML     4,055 Downloads   4,937 Views  

Abstract

In this paper, we study an innovative multiple access scheme that exploits the intrinsic properties of the wireless envi- ronment to improve the multiuser environment, so-called Channel Division Multiple Access (ChDMA) focusing on spectral efficiency analysis and system performance. In particular, we show that Simultaneous multiuser accessing to a common destination is made possible by considering the channel impulse response (CIR) of each user as a signature. We begin by the assumption of the channel state information available at the receiver. Then, we analyze the perform- ance of the ChDMA integration in a random environment over UWB high data rate channel. Next, we discuss the de- sign of MMSE and optimal receiver structure for such a system. Additionally, we show an asymptotic analysis behavior taking into account the channel eigenvalues distribution with the associated spectral efficiency.

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Chihi, H. and Bouallegue, R. (2013) Asymptotic Design and Analysis of Multiuser Detector for UWB High Data Rate Channel Based on Channel Division Multiple Access. Communications and Network, 5, 681-687. doi: 10.4236/cn.2013.53B2122.

Conflicts of Interest

The authors declare no conflicts of interest.

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