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Joint Common Phase Error and Channel Estimation for OFDM-based WLANs in the Presence of Wiener Phase Noise and Residual Frequency Offset
2006
2006 IEEE International Conference on Communications
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In orthogonal frequency-division multiplexing (OFDM)-based wireless local area networks (WLANs), the phase noise (PHN) and a residual frequency offset (RFO) can cause the common phase error (CPE) and the ...
Keywords-Orthogonal frequency-division multiplexing (OFDM), quadrature amplitude modulation (QAM), channel estimation, phase noise (PHN), wireless local area networks (WLANs). I. ...
Section Ⅱdescribes the system model of an OFDM system with the PHN and a RFO. Section Ⅲ describes the proposed joint CPE and channel estimation scheme. ...
doi:10.1109/icc.2006.255271
dblp:conf/icc/KimLK06
fatcat:njlf4q7mcjg33a4mniabpsheri
Phase Noise Effects in Synchronized Wireless Networks for MIMO-OFDM
2014
Mehran University Research Journal of Engineering and Technology
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Channel impairments effects are evaluated by inclusion of phase noise in a synchronization error correction algorithm for MIMO (Multiple Input Multiple Output) OFDM (Orthogonal Frequency Division Multiplexing ...
SUI (Stanford University Interim) channel models and then applied to MIMO systems. ...
[6] carriedout the joint estimation of channel and phase noise, however, OFDM was not incorporated. Moreover, Tailor, et. al. ...
doaj:7716342a0c254b9e88945f0de822400a
fatcat:2s4xb6revrefzdljtwlqw5qsj4
Ofdm Receiver Design In The Presence Of Frequency Selective Iq Imbalance And Cfo
2013
Zenodo
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Publication in the conference proceedings of EUSIPCO, Marrakech, Morocco, 2013 ...
CONCLUSIONS In this paper we have studied joint estimation of channel and FS/FI IQ imbalance in the presence of CFO for OFDM systems. ...
In addition, these symbols are non-standard and so may not be useful in estimating other system parameters such as timing offset, phase noise or CFO. ...
doi:10.5281/zenodo.43728
fatcat:m55puex4q5g55fywktf7yfbwju
Channel Estimation for OFDM-Based WLANs in the Presence of Wiener Phase Noise and Residual Frequency Offset
2006
IEICE transactions on communications
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In orthogonal frequency-division multiplexing (OFDM)based wireless local area networks (WLANs), phase noise (PHN) and residual frequency offset (RFO) can cause the common phase error (CPE) and the inter-carrier ...
Simulation results present that the proposed scheme significantly improves the performance of OFDM-based WLANs. key words: orthogonal frequency-division multiplexing (OFDM), channel estimation, phase noise ...
Acknowledgments This work was supported partly by Brain Korea 21 Project in 2005 and partly by ITRC. ...
doi:10.1093/ietcom/e89-b.5.1709
fatcat:vkjnuz7nzvhpzk6r2rk7lmdi2y
A Non-Iterative Technique for Phase Noise ICI Mitigation in Packet-Based OFDM Systems
2010
IEEE Transactions on Signal Processing
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Based on the full-pilot OFDM symbol, a frequency-domain joint phase noise and channel vector estimator is first derived. ...
Since phase noise changes from one OFDM symbol to the next, the scattered pilots in each data OFDM symbol are used to non-iteratively estimate and mitigate the phase noise induced interference. ...
In Section II, the system model is described and the joint frequency-domain channel and phase noise estimator is derived. In Section III, phase noise estimation and tracking is described. ...
doi:10.1109/tsp.2010.2057250
fatcat:7uieywrwhresdfobpi2iipqpwi
A Phase Noise Compensation Scheme For Ofdm Wireless Systems
2006
Zenodo
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Publication in the conference proceedings of EUSIPCO, Florence, Italy, 2006 ...
Instead of estimating the channel coefficients and phase noise in the frequency domain, we estimate them in the time domain by using interpolation techniques to reduce the number of unknowns. ...
The proposed scheme consists of two phases. One phase is the joint channel and phase noise estimation, and the other phase is the joint data symbol and phase noise estimation. ...
doi:10.5281/zenodo.39968
fatcat:yzia2qzu3rfr3g422qbwbka2q4
Review of MIMO-OFDM using Carrier Offset on behalf of Literature Survey
2014
IOSR Journal of Electronics and Communication Engineering
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In this paper, proposed a joint estimation of Carrier Frequency Offset (CFO) and Channel Distortion for Multiple Input Multiple Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) system using ...
The proposed estimation method requires at least one OFDM training block for estimation and training symbols should be random Joint Estimation of Carrier Frequency Offset (CFO) and Channel Distortion Using ...
And in section IV proposed a joint estimation of CFO and Channel Distortion. ...
doi:10.9790/2834-09320711
fatcat:wi3hl2txs5bopktwbbt46zfsva
Phase Noise Compensation Using Limited Reference Symbols in 3GPP LTE Downlink
[article]
2018
arXiv
pre-print
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It is known that phase noise (PN) can cause link performance to degrade severely in orthogonal frequency division multiplexing (OFDM) systems, such as IEEE 802.11, 3GPP LTE and 5G. ...
Specifically, in this work, we propose an efficient PN mitigation algorithm where the PN statistics are used to obtain more accurate channel estimates. ...
MIMO-OFDM SYSTEM MODEL WITH PHASE NOISE We consider a MIMO-OFDM communication system with N t transmit antennas, N r receive antennas and N c OFDM tones for transmission in a multi-path fading channel. ...
arXiv:1711.10064v3
fatcat:jjaxfsdeb5gufch5qioq7fipui
Joint Phase Tracking and Channel Decoding for OFDM Physical-Layer Network Coding
[article]
2013
arXiv
pre-print
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This paper investigates the problem of joint phase tracking and channel decoding in OFDM based Physical-layer Network Coding (PNC) systems. ...
However, OFDM PNC systems are susceptible to phase drifts caused by residual carrier frequency offsets (CFOs). ...
EM-BP FOR OFDM PNC In this section, we derive the EM-BP algorithm for joint phase tracking and channel decoding in OFDM PNC systems. ...
arXiv:1312.6949v1
fatcat:p3waamn2qneovbx62w36ngqu24
Frequency Synchronization in OFDM System
2013
Journal of Signal and Information Processing
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multiplexing (OFDM) systems. ...
Simulations in the MATLAB for an AWGN channel show that the proposed method achieves superior performance to existing techniques in terms of frequency accuracy and range. ...
using ZC sequence as preamble for Frequency Offset Estimator enlarges the range of estimation to ±30 of subcarrier spacing for OFDM based WLAN system. ...
doi:10.4236/jsip.2013.43b024
fatcat:jhtk4quoqfhnxbgkrjj54ceqvi
Frame synchronization, channel estimation scheme and signal compensation using regression method in OFDM systems
2008
Computer Communications
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In this paper, a joint frame synchronization and channel estimation scheme using the regression method is proposed. ...
With the estimated channel information, a frequency domain one-tap equalizer is presented to achieve the signal compensation. ...
In Section 3, a joint frame synchronization and channel estimation scheme is proposed to estimate the frame timing and channel response in the OFDM system. ...
doi:10.1016/j.comcom.2008.01.057
fatcat:gqxecpthcrdcrjnvpdme6vjh3i
Compensation of Phase Noise in OFDM Wireless Systems
2007
IEEE Transactions on Signal Processing
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In the first stage, block-type pilot symbols are transmitted and the channel coefficients are jointly estimated with the phase noise in the time domain. ...
Phase noise causes significant degradation in the performance of orthogonal frequency division multiplexing (OFDM)-based wireless communication systems. ...
One phase is the joint channel and phase noise estimation, and the other phase is the joint data symbol and phase noise estimation. ...
doi:10.1109/tsp.2007.899583
fatcat:t4x2ui6bune2hecy7v7tea4tde
A Novel Preamble Scheme for Packet-Based OFDM WLAN
2007
2007 IEEE Wireless Communications and Networking Conference
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In packet-based OFDM WLAN systems (IEEE 802.11a/g/n), each packet has a fixed-length preamble for synchronization and channel estimation purposes. ...
We design a new signal structure using variable data rate and propose an efficient receiver processing scheme to perform joint training (time and frequency synchronization and channel estimation) and data ...
., cross-correlation based symbol timing, auto-correaltion based CFO correction, and frequency domain LS channel estimation). ...
doi:10.1109/wcnc.2007.279
dblp:conf/wcnc/WangOFW07
fatcat:kcrzu5eagvedxp3ufghl5ul4ee
Method for Phase Noise Impact Compensation in 60 GHz OFDM Receivers
2020
Radioengineering
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The proposed compensation method combines time domain algorithm predicting the linear average phase trend on the OFDM symbol duration and estimation in frequency domain of phase noise spectrum realization ...
The performance of the proposed algorithms is evaluated in the frequency flat and frequency selective channels with phase noise model adopted in the IEEE 802.11ay. ...
OFDM System Parameters and Phase Noise Properties
OFDM System Parameters and Phase Noise Model The OFDM system performance evaluation is conducted by example of the parameters defined in the IEEE 802.11ay ...
doi:10.13164/re.2020.0159
fatcat:jtlloq73sbeqbhlsxx7mqglqci
A pseudorandom postfix OFDM modulator - semi-blind channel estimation and equalization
2006
IEEE Transactions on Signal Processing
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This paper details a new orthogonal-frequency-division-multiplexing (OFDM) modulator based on the use of a pseudorandom postfix (PRP)-OFDM and discusses low-complexity equalization and channel estimation ...
The main property of this new modulation scheme is the ability to estimate and track the channel variations semi-blindly using order-one statistics of the received signal. ...
Buzenac, and L. Mazet of Motorola Laboratories, Paris, France, for many fruitful discussions. ...
doi:10.1109/tsp.2005.863012
fatcat:g62eiehi5jh2nil2syh5yrdlde
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