Browsing by Author "Dong, Zhicheng"
Now showing items 1-10 of 10
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An Efficient SAGE-based Data Detection Algorithm for OFDM Systems in the Presence of Very Fast Fading Channels
In this paper an iterative and computationally efficient data detection algorithm is proposed based on the space alternating generalized expectation maximization (SAGE) technique for orthogonal division multiplexing (OFDM) ...
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An Improved Adaptive Subspace Tracking Algorithm Based on Approximated Power Iteration
Authors:Wu, Qiang; Zheng, Jian-Sheng; Dong, Zhicheng; Panayirci, Erdal; Wu, Zhi-Qiang; Ren, Qingnuobu
Publisher and Date:(IEEE-INST Electrical Electronics Engineers Inc, 2018)A subspace tracking technique has drawn a lot of attentions due to its wide applications. The main objective of this approach is to estimate signal or noise subspace basis for the sample covariance matrix. In this paper ...
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Conditional Power and Rate Adaptation for MQAM/OFDM Systems Under CFO With Perfect and Imperfect Channel Estimation Errors
Authors:Dong, Zhicheng; Fan, Pingzhi; Panayirci, Erdal; Lei, Xianfu
Publisher and Date:(IEEE-INST Electrical Electronics Engineers Inc, 2015)In this paper a new conditional power and rate adaptation scheme for orthogonal frequency-division multiplexing (OFDM) systems is proposed in the presence of carrier frequency offset (CFO) with perfect and imperfect channel ...
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Effect of power and rate adaptation on the spectral efficiency of MQAM/OFDM system under very fast fading channels
Authors:Dong, Zhicheng; Fan, Pingzhi; Panayirci, Erdal; Mathiopoulos, P. Takis
Publisher and Date:(Springer International Publishing Ag, 2012)In this article the effect of power and rate adaptation on the spectral efficiency of orthogonal frequency division multiplexing (OFDM) systems using M-ary quadrature amplitude modulation (MQAM) is investigated in the ...
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Partial Power and Rate Adaptation for MQAM/OFDM Systems under CFO
In this paper a new partial power and rate adaptation scheme for orthogonal frequency division multiplexing (OFDM) systems is proposed in the presence of carrier frequency offset (CFO). The conventional adaptive scheme is ...
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Partial power and rate adaptation for MQAM/OFDM systems under CFO
Authors:Dong, Zhicheng; Fan, Pingzhi; Panayirci, Erdal; Lei, Xianfu
Publisher and Date:(Institute of Electrical and Electronics Engineers Inc., 2014)In this paper a new partial power and rate adaptation scheme for orthogonal frequency division multiplexing (OFDM) systems is proposed in the presence of carrier frequency offset (CFO). The conventional adaptive scheme is ...
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Power and Rate Adaptation Based on CSI and Velocity Variation for OFDM Systems Under Doubly Selective Fading Channels
Authors:Dong, Zhicheng; Fan, Pingzhi; Lei, Xianfu; Panayirci, Erdal
Publisher and Date:(Institute of Electrical and Electronics Engineers Inc., 2016)In this paper a novel joint continuous power and rate adaptation scheme is proposed fordoubly selective fading channels in orthogonal frequency division multiplexing (OFDM) systems based on terminal velocity and perfect ...
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Power and Rate Adaptation Based on CSI and Velocity Variation for OFDM Systems Under Doubly Selective Fading Channels
Authors:Dong, Zhicheng; Fan, Pingzhi; Lei, Xianfu; Erdal, Panayirci
Publisher and Date:(IEEE-INST Electrical Electronics Engineers Inc, 2016)In this paper a novel joint continuous power and rate adaptation scheme is proposed fordoubly selective fading channels in orthogonal frequency division multiplexing (OFDM) systems based on terminal velocity and perfect ...
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Power and rate adaptation for MQAM/OFDM systems under fast fading channels
In this paper the effect of power and rate adaptation on the spectral efficiency of orthogonal frequency division multiplexing (OFDM) systems using M-ary quadrature amplitude modulation (MQAM) is investigated in the presence ...
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Power and rate adaptation for MQAM/OFDM systems under fast fading channels
In this paper the effect of power and rate adaptation on the spectral efficiency of orthogonal frequency division multiplexing (OFDM) systems using M-ary quadrature amplitude modulation (MQAM) is investigated in the presence ...