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[2] ElieBejjanie and Jean-Claude Belfiore, “Multicarrier Coherent Communications for the Underwater AcousticChannel”, MTS/IEEE Prospects for the 21st Century (OCEANS’96), vol. 3, pp. 1125-1130, Sep. 1996.

[3] N. Nasri, L. Andrieux, A. Kachouri and M. Samet, “Efficient Encoding and Decoding Schemes for Wireless Underwater Communication Systems,” 7th International Multi-Conference on Systems Signals and Devices, Amman, 27-30 June 2010, pp. 1-6

[4] Shengli Zhou, Zhengdao wang “Turbo equalization for OFDM modulated physical layer network coding”,Signal Processing Advances in Wireless Communications (SPAWC), 2011 IEEE 12th International Workshop.

[5] X. Xiaomei, C. Yougan, Z. Lan and F. Wei, “Comparison of the Performance of LDPC Codes over Different Underwater Acoustic Channels,” 12th IEEE International Conference on Communication Technology, Nanjing, 11- 14 November 2010, pp. 155-158

[6] http://en.wikipedia.org/wiki/PSK#Higher-order_PSK