Joint Symbol Timing And Channel Estimation For OFDM Based WLANs
White Papers This paper considers the joint estimation of the symbol timing, the channel length and the channel-impulse response. A novel estimation algorithm based on maximum-likelihood principles and the generalized Akaike information criterion is proposed.
[January 1, 1970, 0:59]
Joint Blind Timing Synchronization And Channel Estimation For OFDM Using Receiver Diversity
White Papers Joint blind timing synchronization and channel estimation using receiver diversity are investigated in this paper. The proposed algorithm is able to identify channel length, therefore it can facilitate blind channel estimation algorithms that...
[January 1, 1970, 0:59]
A Combined Timing And Frequency Synchronization And Channel Estimation For OFDM
White Papers This paper addresses training signal based combined timing and frequency synchronization and channel estimation for OFDM systems. Then ML channel estimation is performed. At the first stage, coarse timing and frequency offset estimates are obtained.
[January 1, 1970, 0:59]
Data-Aided Timing Offset Estimation For Frequency Selective Fading Channels
White Papers The timing offset leads to errors in the channel response estimation with a consequent increase in overall the bit error rate (BER). A novel algorithm for Timing offset estimation is proposed in this paper for GSM and GPRS handsets, especially for...
[January 1, 1970, 0:59]
An Integrated OFDM Receiver For High-Speed Mobile Data Communications
White Papers The effects of non-ideal transmission conditions of the OFDM system including channel estimation errors, symbol timing offset, carrier and sampling clock offset, phase noise and time-selective fading are analyzed.
[January 1, 1970, 0:59]
Maximum Likelihood Synchronization For OFDM Using A Pilot Symbol: Algorithms
White Papers Algorithms are described for packet detection and for synchronization using maximum likelihood estimation of channel frequency offset, phase offset for coherent detection, and subsample timing offset.
[January 1, 1970, 0:59]
Precise Timing For Multiband OFDM In A UWB System
White Papers This paper addresses practical synchronization algorithms for multiband OFDM UWB transmission, and analyze the performance of a Maximum Likelihood (ML) joint timing/channel estimation algorithm. The authors show that the probability of mis-timing...
[January 1, 1970, 0:59]
Physical Layer Implementation And Evaluation Of Multiple Input Multiple Output - Orthogonal Frequency Division Multiplexing (MIMO-OFDM) System
White Papers The system has the key features of antenna diversity maximizing and fading-robustness with the preamble/pilots and frame structures, which are suitable for channel estimation, timing and frequency synchronization and unbiased signal-to-noise-plus...
[January 1, 1970, 0:59]
Timing Synchronization Of The WIND-FLEX OFDM Prototype
White Papers Simulations take into account frame detection via a threshold comparison followed by symbol timing estimation using a maximum search. Simulation results for different low-complexity timing synchronization metrics are given in an AWGN (Additive...
[January 1, 1970, 0:59]
