[1] T. A. Tsiftsis, H. G. Sandalidis, G. K. Karagiannidis et al.. Optical wireless links with spatial diversity over strong atmospheric turbulence channels［J］. IEEE Trans. Wireless Communications, 2009, 8(2): 951～957

[2] S. Hranilovic, F. R. Kschischang. Optical intensity-modulated direct detection channels: signal space and lattice codes［J］. IEEE Trans. Information Theory, 2003, 9(6): 1385～1399

[3] W. O. Popoola, Z. Ghassemlooy, J. I. H. Allen et al.. Free-space optical communication employing subcarrier modulation and spatial diversity in atmospheric turbulence channel［J］. IET Optoelectron, 2008, 2(1): 16～23

[4] Y. Chen, L. Schmalen, H. Bülow et al.. Space-time coding schemes for optical MIMO［C］. 37th European Conference and Exposition on Optical Communications, 2011, Tu.6.A.1

[5] W. Lim, C. Yun, K. Kim. BER performance analysis of radio over free-space optical systems considering laser phase noise under Gamma-Gamma turbulence channels［J］. Opt. Express, 2009, 17(6): 4479～4484

[6] X. Zhu, J. M. Kahn. Free-space optical communication through atmospheric turbulence channels［J］. IEEE Trans Communications, 2002, 50(8): 1293～1300

[7] X. Zhu, J. M. Kahn. Performance bounds for coded free-space optical communications through atmospheric turbulence channels［J］. IEEE Trans. Communications, 2003, 51(8): 1233～1239

[8] Yang Shiji, He Zhiping, Jia Jianjun et al.. Research of the transmittance of atmospheric turbulent channels［J］. Chinese J. Lasers, 2010, 37(11): 2860～2863

[9] Xu Jianwu, Wang Hongxing, Hu Hao et al.. Modified adaptive SVD estimating algorithm about MIMO-FSO channels［J］. Chinese J. Lasers, 2011, 38(11): 1105001

[10] Wang Yuanquan, Fang Wuliang, Tao Li et al.. Research of multiple-input multiple-output (MIMO) technique in multimode fiber links［J］. Laser & Optoelectronics Progress, 2011, 48(10): 100601

[11] Leng Jiaofeng, Hao Shiqi, Zhai Fuqi et al.. Combination of spatial diversity coherent receivers for wireless optical communication［J］. Laser & Optoelectronics Progress, 2012, 49(1): 010602

[12] E. J. Shin, V. W. S. Chan. Optical communication over the turbulent atmospheric channel using spatial diversity［C］. Global Telecommunication Conference, IEEE, 2002, 17-21(3): 2055～2060

[13] B. Castillo-Vazquez, A. Garcia-Zambrana, C. Castillo-Vazquez. Closed-form BER expression for FSO links with transmit laser selection over exponential atmospheric turbulence channels［J］. Electron. Letter, 2009, 45(23): 1185～1187

[14] M. Uysal, J. Li, M. Yu. Error rate performance analysis of coded free-space optical links over gamma gamma atmospheric turbulence channels［J］. IEEE Trans. Wireless Communications, 2006, 5(6): 1229～1233

[15] S. Schllmann, N. Schrammar, W. Rosenkranz. Experimental realization of 3×3 MIMO system with mode group diversity multiplexing limited by modal noise［C］. Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference, 2008, JWA68

[16] E. Bayaki, R. Schober. On space-time coding for free-space optical systems［J］. IEEE Trans. Commun., 2010, 58(1): 58～62

[17] G. J. Foschini. Layered space-time architecture for wireless communication in a fading environment when using multi-element antennas［J］. Bell Labs Technical Journal, 1996, 1: 41～49

[18] S. M. Alamouti. A simple transmit diversity technique for wireless communications［J］. IEEE J. Sel. Areas Comm., 1998, 16(8): 1451～1458

[19] M. K. Simon, V. Vilinrotter. Alamouti-type space-time coding for free-space optical communication with direct detection［J］. Wireless Communications, 2005, 4(1): 35～39

[20] A. García-Zambrana. Error rate performance for STBC in free-space optical communications through strong atmospheric turbulence［J］. IEEE Communications. Letters, 2007, 11(5): 390～392

[21] C. Abou-Rjeily. Orthogonal space-time block codes for binary pulse position modulation［J］. IEEE Trans. Commun., 2009, 57(3): 602～605

[22] D. A. Gore, A. J. Paulraj. MIMO antenna subset selection with space-time coding［J］. IEEE Trans Sig. Process, 2002, 50(10): 2580～2588

[23] V. Choqueuse, A. Mansour, G. Burel. et al.. Blind channel estimation for STBC systems using higher-order statistics［J］. IEEE Transactions on Wireless Communications, 2011, 10(2): 495～505

[24] J. Via, I. Santamaria, J. Perez. Code combination for blind channel estimation in general MIMO-STBC systems［J］. EURASIP J. Advances Signal Process., 2009, 2009: 3～15

[25] Hufei Zhu, Wen Chen, Bin Li et al.. A fast recursive algorithm for G-STBC［J］. IEEE Transactions on Communications, 2011, 59(8): 2084～2089

[26] M. Garfield, C. Liang, T. P. Kurzweg et al.. MIMO space-time coding for diffuse optical communications［J］. Microwave and Optical Tech. Letters, 2006, 48(6): 1108～1110

[27] L. C. Andrews, R. Phillips, C. Y. Hopen. Laser Beam Scitillation with Applications［M］. Bellingham: SPIE Press, 2001

[28] J. A. Anguita, I. B. Djordjevic, A. Neifela et al.. High-rate error-correction codes for optical atmospheric channel［C］. Free-Space Laser Communications V, 2005, 5892: 58920v

[29] C. Kamacioglu, Arpali, S. A. Baykal. Propagation of optical flat-toped Gaussian beam in satellite link［C］. Electromagneitcs in Advanced Applications, 2009, (14-18): 505～508

[30] J. Anguita, I. Djordjevic, M. Neifeld. Shannon capacities and error-correction codes for optical atmospheric turbulent channels［J］. Opt. New., 2005, 4(9): 586～601

[31] T. M. Duman, A. Ghrayeb. Coding for MIMO Communication Systems［M］. New York: Joho Wiley & Sons, 2007. 52～60