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Convergence Analysis of Iteratively Detected Time Hopping and DS-CDMA Ultrawide Bandwidth Systems by EXIT Charts
White Paper It is shown from an EXIT chart analysis that the multipath diversity can yield a larger area under the EXIT curve of the inner detector. This paper presents a novel analysis on the decoding convergence of Time Hopping (TH) and Direct Sequence (DS... [11 Jul 2008]
Multiuser Detection in DS-CDMA
White Paper A suboptimal implementation of the MMSE detector, i.e.the linear equalizer having a finite delay is also considered. The project discussed in this paper looks into suboptimal receivers for multiuser detection in CDMA systems. [10 Nov 2006]
A Utility-Based Approach to Power Control and Receiver Design in Wireless Data Networks
White Paper It is shown that the equilibrium is one where the powers are SIR-balanced with the Minimum Mean Square Error (MMSE) detector as the receiver. The uplink of a Direct-Sequence Code Division Multiple Access (DS-CDMA) data network is considered and a... [16 Jun 2006]
Analysis of a Partial Decorrelator in a Multicell DS-CDMA System
White Paper Although the decorrelator has probably drawn more attention than any other multiuser detector, almost all studies have been for a single-cell code-division multiple-access (CDMA) system. In a CDMA system with multiple cells all using the same... [26 Jul 2005]
Performance of an Improved Modified MMSE Receiver for CDMA Systems in Rayleigh Fading
White Paper In this paper, the bit error rate of a recently proposed modified minimum mean squared error (MMSE) detector in Rayleigh flat fading channels is improved. It is also shown that the new detector is less sensitive to changes in the number of users. [24 Jul 2004]
