用于MIMO-OFDM 的变换域盲信道估计算法

doi:10.3969/j.issn.0255-8297.2014.05.014

Abstract

Abstract: The deterministic subspace algorithm is sensitive to channel order over-estimation. To deal with
the problem, a robust subspace algorithm combining a transform domain method and a subspace method is
presented, which can tolerate some order error of the channel. The proposed algorithm uses a frequency domain
subspace algorithm to estimate the channel state. A transform domain algorithm is used for noise reduction and
estimation accuracy improvement. To evaluate the performance of channel estimation, a minimum constraint
Cramer-Rao bound is derived. Theoretical analysis and simulation results show that the method have good
robustness against order over-estimation of the channel.

Key words: multiple-input multiple-output (MIMO), orthogonal frequency division multiplexing (OFDM), blind channel estimation, subspace method, Cramer-Rao bound

CLC Number:

TN911

DAI Xi-ping, PENG Hua, ZHENG Yong-jun, WANG Qi-feng. Transform Domain-Based Blind Channel Estimation for MIMO-OFDM[J]. Journal of Applied Sciences, 2014, 32(5): 523-529.

References

[1] SAMPATH H, TALWAR S, TELLADO J, et al（补齐作者，其余作同样处理）. A fourth generation MIMO-OFDM broadband wireless system: design, performance and field trial results [J]. IEEE Communications Magazine, 2002, 40(9): 143-149.

[2] MUQUET B, WANG Z, GIANNAKIS G B, et al. Cyclic-prefix or zero-padding for multicarrier transmissions? [J]. IEEE Transactions on Communication, 2002, 50(12): 2136-2148.

[3] TU C C, CHAMPAGNE B. Subspace-based blind channel estimation for MIMO-OFDM systems with reduced time-averaging [J]. IEEE Transactions on Vehicular Technology, 2010, 59(3): 1539-1544.

[4] PAN Y, PHOONG S. An improved subspace-based algorithm for blind channel identification using few received blocks [J]. IEEE Transactions on communications, 2013, 61(9): 3710-3720.

[5] DE P, CHANG T H, CHI C Y. Linear prediction based semiblind channel estimation for multiuser OFDM with insufficient guard interval [J]. IEEE Transactions on Wireless Communications, 2009, 8(12): 5728-5735.

[6] GAO Chengzhi, TAI Ludong, ZHUANG Jiaping. Underwater acoustic channel blind identification based on matrix outer-product decomposition algorithm [C]//IEEE International Congress on Image and Signal Processing, 2009: 1-4.

[7] 孙有铭，刘洛琨，崔波. 基于子空间信道矩阵迭代的阶数估计算法[J]. 电子与信息学报，2013, 35(2): 432-437.

SUN Youming, LIU Luokun, CUI Bo. Channel order estimation algorithm based on subspace channel matrix recursion [J]. Journal of Electronics & Information Technology, 2013, 35(2): 432-437. (in Chinese).

[8] GAZZAH H, REGALIA P A, DELMAS J P. A blind multichannel identification algorithm robust to order estimation [J]. IEEE Transactions on Signal Processing. 2002, 50(6): 1449-1458.

[9] ZENG Y H, NG T S. Blind estimation of MIMO channels with an upper bound for channel orders [J]. Signal Processing, 2006, 86(2): 212-222.

[10] ZENG Y H, NG T S. A semi-blind channel estimation method for multiuser multiantenna OFDM systems [J]. IEEE Transaction on Signal Processing, 2004, 52(5): 1419-1429.

[11] GAO F, ZENG Y H, NALLANATHAN A. Robust subspace blind channel estimation for cyclic prefixed MIMO OFDM systems: algorithm, identifiability and performance analysis [J]. IEEE Journal on Selected Areas in Communications. 2008, 26(2): 378-387.

[12] HAO Lihong, LI Guangjun, GUO Zhiyong. Non-redundant precoding blind channel estimation for MIMO-OFDM systems[C]// IEEE International Conference on Computer Engineering and Technology, 2010:V1-319-V1-322

[13] SONG Wang, CAO Jinli, HU Jiankun. A frequency domain subspace blind channel estimation method for trailing zero OFDM systems [J]. Journal of Network and Computer application. 2011, 34(1): 116-120.

[14] XIN Xiong, BIN Jiang, GAO Xiqi. DFT-based channel estimator for OFDM systems with leakage estimation [J]. IEEE Communications letters, 2013, 17(8): 1592-1595.

[15] LI F, LIU H, VACCARO R J. Performance analysis for DOA estimation algorithms: further unification, simplification, and observations [J]. IEEE Transactions on Aerospace and Electronic Systems, 1993, 29(4): 1170-1184.

[16] DE CARVALHO E, CIOFFI J, SLOCK D, Cramer-Rao bounds for blind multichannel estimation [C]// IEEE Global telecommunications Conference, 2000:1036-1044.

Transform Domain-Based Blind Channel Estimation for MIMO-OFDM

PDF

Knowledge

Abstract

Cite this article

share this article

References

Related Articles 15

Recommended Articles

Metrics

Comments

[1]	JIANG Kai-li, CHEN Xiao-min, ZHU Qiu-ming, HU Xu-jun, CHEN Bing. Non-stationary MIMO Channel Modeling and Parameter Evolving Under 3D Scenarios [J]. Journal of Applied Sciences, 2018, 36(5): 774-786.
[2]	GUO Li-kai, WU Ying, YIN Jie-xin, WANG Cheng. Joint Angle and Delay Estimation for OFDM Using Unitary Transform and Structured Least Squares [J]. Journal of Applied Sciences, 2017, 35(6): 693-705.
[3]	DONG Li, SONG Xiao-qin, HAN Jie. Resource Allocation Based on Genetic Algorithm and Particle Swarm Optimization for Cognitive OFDM Network [J]. Journal of Applied Sciences, 2017, 35(3): 288-298.
[4]	SU Jun-xu, CHEN Xiao-min, HU Xu-jun, ZHU Qiu-ming. Precoding for Up-link Multi-user MIMO Relay Systems with Feedback Delay [J]. Journal of Applied Sciences, 2017, 35(2): 160-170.
[5]	LI Guo-min, LIU Xin, KANG Xiao-fei, LIAO Gui-sheng. Improved Blind Channel Estimation for MIMO-OFDM Systems [J]. Journal of Applied Sciences, 2016, 34(3): 286-292.
[6]	XU Feng-yang, WANG Dong, XIAO Yang, KOU Jin-feng. Subspace Tracking-Based Semi-blind Channel Estimation for Massive MIMO Systems [J]. Journal of Applied Sciences, 2015, 33(5): 459-469.
[7]	HAO Yao-hong1, LENG Dan1, FANG Tao2. Polarization Dependent Loss in Coherent Optical Systems [J]. Journal of Applied Sciences, 2014, 32(1): 39-43.
[8]	SUN Zhong-wei, ZHANG Xiao-fei, WU Hai-lang, LI Jian-feng. Multi-dimensional Angle Estimation in Bistatic MIMO Radar for L-Shaped Array with Propagator Method [J]. Journal of Applied Sciences, 2014, 32(1): 57-64.
[9]	YE Xin-rong1,2, ZHU Wei-ping1, MENG Qing-min1. Sparse Channel Estimation Based on Compressed Sensing for MIMO-OFDM Systems [J]. Journal of Applied Sciences, 2013, 31(3): 245-251.
[10]	HE Xuan-sen, ZENG Qing-fang, WU Liang-min. PTS Phase Search with Symmetrical Dual Binary Tree [J]. Journal of Applied Sciences, 2013, 31(3): 271-277.
[11]	CHENG Yuan-bing, GU Hong, SU Wei-min. Multi-target Localization for Bistatic MIMO Radar [J]. Journal of Applied Sciences, 2013, 31(1): 53-58.
[12]	MA Xue-fei1, QIAO Gang1, ZHAO Chun-hui2, MA Lu1. Decision Directed Channel Equalization for OFDM Underwater Acoustic Communications [J]. Journal of Applied Sciences, 2012, 30(6): 573-580.
[13]	FANG Yong1,2, ZHAO Wei-jie1,2, WANG Min1,2. Estimation of Fast Fading Channel for OFDM Systems Using Compressed Channel Expression [J]. Journal of Applied Sciences, 2012, 30(6): 581-587.
[14]	SONG Lei1, LI Li-hua1, GAO Xiang-chuan2, PEI Yu-shan1, WANG Hua-lei1. Effect of Imperfect Frame Synchronization on Linear Interpolation of Amplititude and Phase [J]. Journal of Applied Sciences, 2012, 30(5): 441-447.
[15]	LIAO Zeng, PENG Cheng, WANG Yong. Subspace Identification in Time-Domain for Fractional Order Systems Based on Short Memory Principle [J]. Journal of Applied Sciences, 2011, 29(2): 209-215.