Sparse channel estimation with zero tap detection

C Carbonelli, S Vedantam… - IEEE Transactions on …, 2007 - ieeexplore.ieee.org
… known channel order, nor require the use of active tap measures. We consider the channel
estimation … First, with an initial “unstructured” least squares (LS) estimate, we pose a detection

Semi-blind most significant tap detection for sparse channel estimation of OFDM systems

F Wan, WP Zhu, MNS Swamy - IEEE Transactions on Circuits …, 2009 - ieeexplore.ieee.org
… this detection scheme … detection approach for sparse OFDM channel estimation. First, the
analysis of the second-order statistics of the received signal passing through a sparse channel

Adaptive least squares channel estimation for visible light communications based on tap detection

X Shi, SH Leung, J Min - Optics Communications, 2020 - Elsevier
… In this paper, an adaptive sparse LS channel estimation algorithm was proposed … channel
tap detection that can maximize the probability of separating non-zero taps out of the channel

Sparse/dense channel estimation with non‐zero tap detection for 60‐GHz beam training

B Gao, Z Xiao, C Zhang, D Jin, L Zeng - IET Communications, 2014 - Wiley Online Library
… /dense channel estimation with non-zero tap detection (SDCE-NTD). The estimation requires
… -zero taps are detected by a tap detector imbedded in SDCE-NTD, and then the channel is …

A low-complexity iterative channel estimation and detection technique for doubly selective channels

Q Guo, L Ping, D Huang - IEEE Transactions on Wireless …, 2009 - ieeexplore.ieee.org
channel estimation and detection discussed in [10]-[13], [28], and [29], in which the channel
estimator is … deal with the uncertainty of the channel estimate, we express the channel tap as …

On channel estimation and detection for multicarrier signals in fast and selective Rayleigh fading channels

YS Choi, PJ Voltz, FA Cassara - IEEE Transactions on …, 2001 - ieeexplore.ieee.org
… response of the channel is known at each time and for each tap, and we discuss the detection
problem assuming the channel is known. Channel estimation is addressed in Section IV. …

[PDF][PDF] Sparse channel estimation in OFDM systems by threshold-based pruning

J Oliver, R Aravind, KMM Prabhu - Electronics Letters, 2008 - researchgate.net
channel estimation is to perform coherent data detection [1]. Procedures for channel estimation
require length of the channel … of the LS estimator for an individual channel tap is given by …

[HTML][HTML] A survey on OFDM channel estimation techniques based on denoising strategies

P Sure, CM Bhuma - … Science and Technology, an International Journal, 2017 - Elsevier
… false alarm probability of the tap detection. The correspondingly … aid in channel estimation
and further in sysmbol detection, which … A summary on available STBC and symbol detection

Efficient DFT-based channel estimation for OFDM systems on multipath channels

Y Kang, K Kim, H Park - IET communications, 2007 - IET
… In the proposed algorithm, to find all informative channel taps, we detect significant channel
… length, we consider significant channel tap decisions just in the region 0 n Lmax 2 1. The …

A simple sparse channel estimator for underwater acoustic channels

C Carbonelli, U Mitra - OCEANS 2007, 2007 - ieeexplore.ieee.org
… We iterate between estimation and zerotap detection until a desired tolerance is achieved; …
more than one stage of tap detection and endeavor to optimize detection at each iteration. …