detector channel estimation
RSS detector channel estimation
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Iterative Interference Cancellation and Channel Estimation for Mobile OFDM
White Paper The design of the canceler aims at maximizing the signal-to-noise-plus-ICI ratio at the detector input. In mobile reception, the reliability of Orthogonal Frequency Division Multiplexing (OFDM) is limited because of the time-varying nature of the... [18 Apr 2007]
Code-Aided Channel Tracking for OFDM
White Paper The channel estimator accepts information from the detector in the form of a posteriori probabilities. This paper presents an EM-based receiver, operating on a single OFDM symbol at a time, that iterates between channel estimation and data detection. [11 Apr 2007]
Joint Data Detection and Channel Estimation for OFDM Systems
White Paper The semi-blind detector uses both channel correlation and noise variance. The quadratic for the blind detector suffers from rank deficiency; for this, it gives a low-complexity solution. This paper considers how the blind detector performs under... [11 Apr 2007]
Low Complexity OFDM Detector for Underwater Acoustic Channels
White Paper The receiver performs MMSE combining of signals received across an array, using adaptive channel estimation. Algorithm performance is demonstrated on experimental data, transmitted through a shallow water channel over the distance of 2.5 km. [11 Apr 2007]
Rotated Walsh-Hadamard Spreading With Robust Channel Estimation for a Coded MC-CDMA System
White Paper In a multiuser MC-CDMA system, possible performance improvements are based on the chosen detector, the channel code, and its Hamming distance. This paper investigates rotated Walsh-Hadamard spreading matrices for a broadband MC-CDMA system with... [16 Feb 2006]
Channel Estimation and Signal Detection for Multi-Carrier CDMA Systems With Pulse-Shaping Filter
White Paper By incorporating the effect of the pulse-shaping filter in the channel estimation and signal detection modules, new estimator and detector structures have been developed, which significantly outperform the commonly used time-domain equalizers and... [06 Oct 2005]
Performance of an Improved Modified MMSE Receiver for CDMA Systems in Rayleigh Fading
White Paper This improved detector is then adapted for use in a Rayleigh faded frequency-selective channel. 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. [24 Jul 2004]
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