Frequency domain averaging for channel estimation in OQAM-OFDM systems

In this paper, we analyze the noise distribution and correlation characteristic on each subcarrier in OQAM-OFDM systems, and present a method based on the maximum likelihood (ML) criterion to improve the channel estimation. Then, the performance results are obtained by considering an IEEE 802.22 channel model and the proposed method is compared to the conventional frequency domain averaging (FDA) method. Simulation results show that the proposed method is an efficient method to improve the channel estimation.

[1]  Christopher R. Houck,et al.  A Genetic Algorithm for Function Optimization: A Matlab Implementation , 2001 .

[2]  Pierre Siohan,et al.  Analysis and design of OFDM/OQAM systems based on filterbank theory , 2002, IEEE Trans. Signal Process..

[3]  Behrouz Farhang-Boroujeny,et al.  Complexity and Performance Comparison of Filter Bank Multicarrier and OFDM in Uplink of Multicarrier Multiple Access Networks , 2011, IEEE Transactions on Signal Processing.

[4]  Su Hu,et al.  Preamble Design and Iterative Channel Estimation for OFDM/Offset QAM System , 2009, J. Networks.

[5]  Tao Jiang,et al.  Prototype Filter Optimization to Minimize Stopband Energy With NPR Constraint for Filter Bank Multicarrier Modulation Systems , 2013, IEEE Transactions on Signal Processing.

[6]  R. Legouable,et al.  Channel estimation with scattered pilots in OFDM/OQAM , 2008, 2008 IEEE 9th Workshop on Signal Processing Advances in Wireless Communications.

[7]  Xiang-Gen Xia,et al.  Channel Estimation in CP-OQAM-OFDM Systems , 2014, IEEE Transactions on Signal Processing.

[8]  Tao Jiang,et al.  Energy-efficient NC-OFDM/OQAM-based cognitive radio networks , 2014, IEEE Communications Magazine.

[9]  Sergios Theodoridis,et al.  Preamble-based channel estimation in OFDM/OQAM systems: A review , 2013, Signal Process..

[10]  Tao Jiang,et al.  Preamble optimization based on frequency domain averaging for channel estimation in OQAM-OFDM systems , 2015, WCSP.

[11]  Yajun Wang,et al.  Genetic Algorithm Based Nearly Optimal Peak Reduction Tone Set Selection for Adaptive Amplitude Clipping PAPR Reduction , 2012, IEEE Transactions on Broadcasting.

[12]  Helmut Bölcskei,et al.  Orthogonal Frequency Division Multiplexing Based on Offset QAM , 2003 .

[13]  Tao Jiang,et al.  Time Domain Channel Estimation for OQAM-OFDM Systems: Algorithms and Performance Bounds , 2014, IEEE Transactions on Signal Processing.

[14]  Pierre Siohan,et al.  2 dB Better Than CP-OFDM with OFDM/OQAM for Preamble-Based Channel Estimation , 2008, 2008 IEEE International Conference on Communications.

[15]  Svante Signell,et al.  Novel Preamble-Based Channel Estimation for OFDM/OQAM Systems , 2009, 2009 IEEE International Conference on Communications.

[16]  Håkan Hjalmarsson,et al.  On preamble-based channel estimation in OFDM/OQAM systems , 2011, 2011 19th European Signal Processing Conference.

[17]  Jinfeng Du,et al.  Time frequency localization of pulse shaping filters in OFD/OQAM systems , 2007, 2007 6th International Conference on Information, Communications & Signal Processing.

[18]  Tao Jiang,et al.  Properties and Power Spectral Densities of CP Based OQAM-OFDM Systems , 2015, IEEE Transactions on Signal Processing.

[19]  Tao Jiang,et al.  An Alamouti coded CP-FBMC-MIMO system with two transmit antennas , 2015, Science China Information Sciences.

[20]  B. Floch,et al.  Coded orthogonal frequency division multiplex , 1995 .

[21]  R. Chang.  Synthesis of band-limited orthogonal signals for multichannel data transmission , 1966 .

[22]  Pierre Siohan,et al.  Channel estimation methods for preamble-based OFDM/OQAM modulations , 2008, Eur. Trans. Telecommun..

[23]  Tao Jiang,et al.  Coordinated User Scheduling and Power Control for Weighted Sum Throughput Maximization of Multicell Network , 2010, 2010 IEEE Global Telecommunications Conference GLOBECOM 2010.

[24]  Tao Jiang,et al.  Multi-Block Joint Optimization for the Peak-to-Average Power Ratio Reduction of FBMC-OQAM Signals , 2013, IEEE Transactions on Signal Processing.

[25]  Chrislin Lélé.  Iterative scattered-based channel estimation method for OFDM/OQAM , 2012, EURASIP J. Adv. Signal Process..

[26]  Pierre Siohan,et al.  Robust channel estimation for OFDM/OQAM , 2009, IEEE Communications Letters.

[27]  Xiaohu You,et al.  Cyclic Prefixed OQAM-OFDM and its Application to Single-Carrier FDMA , 2011, IEEE Transactions on Communications.

[28]  Behrouz Farhang-Boroujeny,et al.  Multicarrier communication techniques for spectrum sensing and communication in cognitive radios , 2008, IEEE Communications Magazine.

[29]  B. Hirosaki,et al.  An Orthogonally Multiplexed QAM System Using the Discrete Fourier Transform , 1981, IEEE Trans. Commun..

[30]  Jean-Philippe Javaudin,et al.  Pilot-aided channel estimation for OFDM/OQAM , 2003, The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring..

[31]  Håkan Hjalmarsson,et al.  Frequency smoothing gains in preamble-based channel estimation for multicarrier systems , 2013, Signal Process..

[32]  Sergios Theodoridis,et al.  Preamble-Based Channel Estimation for CP-OFDM and OFDM/OQAM Systems: A Comparative Study , 2009, IEEE Transactions on Signal Processing.

[33]  Claude Berrou,et al.  Coded orthogonal frequency division multiplex [TV broadcasting] , 1995, Proc. IEEE.

[34]  Pierre Siohan,et al.  Cosine-modulated filterbanks based on extended Gaussian functions , 2000, IEEE Trans. Signal Process..

[35]  W. Shieh,et al.  Demonstration of frequency-domain averaging based channel estimation for 40-Gb/s CO-OFDM with high PMD , 2009, 2009 Conference on Optical Fiber Communication - incudes post deadline papers.

[36]  Maurice Bellanger,et al.  Physical layer for future broadband radio systems , 2010, 2010 IEEE Radio and Wireless Symposium (RWS).