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浏览/检索结果: 共5条，第1-5条 帮助 限定条件 内容类型：会议论文     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 COMPENSATION FOR NONLINEAR DISTORTION OF OPTICAL OFDM SIGNALS INDUCED BY ELECTRO-ABSORPTION MODULATED LASERS WITH DIGITAL PREDISTORTION 会议论文 11th International Conference on Optical Communications and Networks (ICOCN), NOV 28-30, 2012 作者:  Shang, Haiyan;  Li, Zhaohui;  Bao, Yuan;  Gui, Tao 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/31 Digital predistortion (DPD)  nonlinear distortion  electro-absorption  modulated laser (EML)  memoryless nonlinear model  optical orthogonal  frequency division multiplexing (O-OFDM)   OFDM baseband modulation technology based on VHDL (EI CONFERENCE) 会议论文 2010 IEEE International Conference on Advanced Computer Control, ICACC 2010, March 27, 2010 - March 29, 2010, 445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United States Lin L.; Qiao Y.-F.; Su W.-X. 收藏  |  浏览/下载：10/0  |  提交时间：2013/03/25 In order to improve the transmission velocity in mulitipath fading wireless channel  two main advantages are obtained via discussing spectrum utilization ratio of OFDM. Then  the high speed OFDM technology receives increasing attentions in mobile communication. Modulation programs are designed with VHDL based on the principle of OFDM in the paper. First  from the results of VHDL simulation  after OFDM fundamental is introduced  the realization of baseband operations  such as interleaver  subcarrier modulation  IFFT and adding CP  are presented. Finally  implemented programs are validated on the actual implement system. Experimental results indicate that setup time corresponding to transmission velocity is only 71.05s and steady time is approximately 6 times as setup time  that is  not only achieving the high speed transmission  but also supplying adequate modulation time. 2010 IEEE.   Blind channel estimation of MIMO-OFDM based on FDPM (EI CONFERENCE) 会议论文 5th International Conference on Wireless Communications, Networking and Mobile Computing, WiCOM 2009, September 24, 2009 - September 26, 2009, Beijing, China Gang W.; Ming Z.; Hua C. 收藏  |  浏览/下载：12/0  |  提交时间：2013/03/25 Subspace based methods have been widely discussed in multichannel estimation including MIMO-OFDM system. However  direct subspace methods suffer from heavy computation complexity y of O(N3). In this paper  a new subspace tracking technique called Fast Data Projection Method (FDPM) is proposed for adaptively tracking the noise subspace. The new algorithm has low complexity of O(NL) and is the only numerically stable  low complexity algorithm for tracking subspaces corresponding to the smallest singular values. Simulation results show that the proposed scheme has similar performance to the original. 2009 IEEE.   Optical power monitoring for O-OFDM superchannel based on Wiener deconvolution 会议论文 Hsinchu, Taiwan, July 6, 2013 - July 9, 2013 作者:  Lin, Hongwen[1];  Gui, Tao[1];  Bao, Yuan[1];  Li, Jianping[1];  Li, Zhaohui[1] 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/13 Optical power monitoring for O-OFDM superchannel based on Wiener deconvolution 会议论文 Hsinchu, TAIWAN, JUL 06-09, 2013 作者:  Lin, Hongwen[1];  Gui, Tao[1];  Bao, Yuan[1];  Li, Jianping[1];  Li, Zhaohui[1] 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/23