An EM algorithm-based channel estimation for OFDM amplify-and-forward relaying systems

IEEE International Conference on Communications

Volumn , Issue , 2010, Pages

  Sheu, Jeng Shin ^a   Sheen, Wern Ho ^b  

^a NATIONAL YUNLIN UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Taiwan)

^b CHAOYANG UNIVERSITY OF TECHNOLOGY   (Taiwan)

Author keywords

Amplify and forward OFDM relaying systems; Channel estimation; Expectation maximization algorithm

Indexed keywords

AMPLIFY-AND-FORWARD; AMPLIFY-AND-FORWARD RELAYING; CO-OPERATIVE DIVERSITY; COMPOSITE CHANNEL; EM ALGORITHMS; EXPECTATION MAXIMIZATION; EXPECTATION-MAXIMIZATION ALGORITHMS; ITERATIVE CHANNEL; OPERATION MODE; OPTIMUM COMBINING; RECEIVED SIGNALS; RELAYING SYSTEMS;

ALGORITHMS; AMPLIFICATION; CHANNEL ESTIMATION; COMPUTER SIMULATION; ESTIMATION; MAXIMUM PRINCIPLE; OPTIMIZATION; ORTHOGONAL FUNCTIONS; SIGNAL RECONSTRUCTION;

FREQUENCY ESTIMATION;

EID: 77955402160     PISSN: 05361486     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ICC.2010.5502100     Document Type: Conference Paper

References (12)

1. R. Pabst, et al., "Relay-based deployment concepts for wireless and mobile broadband radio," IEEE Commun. Mag., pp. 80-89, Sep. 2004.
2. O. Oyman, J.N. Laneman, and S. Sandhu, "Multihop relaying for broadband wireless mesh networks: from theory to practice," IEEE Commun. Mag., pp.116-122, November 2007.
3. J. N. Laneman and G. W. Wornell, "Distributed space-time-coded protocols for exploiting cooperative diversity in wireless networks," IEEE Trans. Inf. Theory, vol. 49, no. 10, pp. 2415-2425, Nov. 2003.
4. J. N. Laneman, D. N. C. Tse, and G. W. Wornell, "Cooperative diversity in wireless networks: Efficient protocols and outage behavior," IEEE Trans. Inf. Theory, vol. 50, no. 12, pp. 3062-3080, Dec. 2004.
5. H. Ochiai, P. Mitran and V. Tarokh, "Variable rate two phase collaborative communication protocols for wireless networks," IEEE Trans. on Information Theory, vol.52, pp.4299-4313, Sept. 2006.
6. C. S. Patel and G.L. Stuber, "Channel Estimation for Amplify and. Forward Relay Based Cooperation Diversity Systems," IEEE Trans. Wireless Commun., vol. 6, pp. 2348-2356, 2007.
7. Alireza S. Behbahani, and Ahmed Eltawil, "On channel estimation and capacity for amplify and forward relay networks," IEEE GLOBECOM, Dec, 2008, pp. 1-5.
8. Fand Liu, Zhe Chen, Xin Zhang, and Dacheng Yang, "Channel estimation for amplify and forward relay in OFDM system," International Conference on Wireless Communications, Networking and Mobile Computing, Oct. 2008, pp. 1-4.
9. F. Gao, T. Cui, and A. Nallanathan, "On channel estimation and optimal training design for amplify and forward relay networks," IEEE Transactions on Wireless Communications, vol. 7, no. 5, part 2, pp. 1907-1916, 2008.
10. Aris S. Lalos, Athanasios A. Rontogiannis, and Kostas Berteridis, "Channel estimation techniques in amplify and forward relay networks," IEEE SPAWC, July, 2008, pp. 446-450.
11. Kai Yan, Shen Ding, Yunzhou Qiu, Yingguan Wang, and Haitao Liu, "A low-complexity LMMSE channel estimation method for OFDM-based cooperative diversity systems with multiple amplify-and-forward relays," EURASIP Journal on Wireless Communications and Networking, vol. 2008 (2008), pp. 1-9.
12. G.J. McLachlan and T. Krishnan, The EM Algorithm and Extensions. New York: John Wiley & Sons, Inc., 1997.