Discrete Multi-tone Technique Application on Visible Light Communication
Wang Wei1,2,3, Liang Xiuyan1,2,3, Wang Ning1,2,3, Wang Qiuping1,2,3
1.Tianjin Polytechnic University, Tianjin 300387 China; 2.Engineering Research Center of Ministry of Education for High Power Semiconductor Lighting Application System, Tianjin Polytechnic University, Tianjin 300387 China; 3.Key Laboratory of Advanced Electrical Engineering and Energy Technology, Tianjin Polytechnic University, Tianjin 300387 China
Abstract：In the 300～800lx white light LED indoor lighting environment, a visible light communication (VLC) system is set up based on discrete multi-tone modulation technology (DMT) and its performance in a multi-path transmission channel model is evaluated. When the illuminance of environment brightness is 400lx and the bit error rate are 10-3 and 10-6, the data transfer rate are 260Mb/s and 220Mb/s, increased by 44.4% and 37.5% relative to the multi-pulse amplitude modulation (M-PAM) base band transmission system under the same conditions. The analysis results show that, discrete multi-tone modulation technology can not only resist to inter-symbol interference and noise in communication channels, but also significantly increase the data transmission speed in the limited bandwidth.
[1] 曹捷, 梁忠诚, 马正北. 白光LED调制特性及调制带宽的研究[J]. 无线通信, 2012(2): 7-12. Cao Jie, Liang Zhongcheng, Ma Zhengbei. White LED modulation bandwidth and modulation character- istics of the study[J]. Hans Journal of Wireless Communications, 2012(2): 7-12. [2] 李风飞, 郝学飞, 胡国荣. 一种多带视频扩展OFDM电力线通信系统[J]. 电力系统保护与控制, 2013, 41(9): 131-136. Li Fengfei, Hao Xuefei, Hu Guorong. Multi-band time-frequency spreading OFDM for power line communication system[J]. Power System Protection and Control, 2013, 41(9): 131-136. [3] 张鹏, 李红斌. 一种基于离散小波变换的谐波分析方法[J]. 电工技术学报, 2012, 27(3): 252-259. Zhang Peng, Li Hongbin. A novel algorithm for Harmonic analysis based on discrete wavelet transforms[J]. Transactions of China Electrotechnical Society, 2012, 27(3): 252-259. [4] Vučić J, Kottke C, Nerreter S, et al. 513 Mbit/s visible light communications link based on DMT- modulation of a white LED[J]. Journal of Lightwave Technology, 2010, 28(24): 3512-3518. [5] Vučić J, Kottke C, Habel K, et al. 803 Mbit/s visible light WDM link based on DMT modulation of a single RGB LED luminary[C]. Opital Fiber Communications Conference, Optical Society America, 2011: 1-3. [6] Khalid A M, Cossu G, Corsini R, et al. 1-Gb/s transmission over a phosphorescent white LED by using rate-adaptive discrete multitone modulation[J]. IEEE Photonics Journal, 2012, 4(5): 1465-1473. [7] Grubor J, Randel S, Langer K D, Walewski J W. Broadband information broadcasting using LED- based interior lighting[J]. IEEE Journals & Magazines, 2008, 26(24): 3883-3892. [8] Grubor J, Gaete Jamett O C, Walewski J W, et al. High-speed wireless indoor communication via visible light[J]. ITG Fachbericht, 2007, 198: 203-208. [9] 王永波. 室内可见光无线通信系统研究[D]. 杭州: 浙江大学, 2008. [10] Shieh W, Djordjevic I. OFDM for optical communica- tions[M]. Publishing House of Electronics Industry, 2011. [11] Grubor J, Jungnickel V, Langer K D. Capacity analysis in indoor wireless infrared communication using adaptive multiple subcarrier transmission[C]. 2005 7th International Conference on Transparent Optical Networks, 2005, 2: 171-174. [12] Inan B, Lee S C J, Randel S, et al. Impact of LED nonlinearity on discrete multi-tone modulation[J]. Journal of Optical Communications and Networking, 2009, 1(5): 439-451. [13] 李荣玲, 商慧亮, 王一光, 等. 高速可见光通信中关键使能技术研究[J]. 激光与光电子学进展, 2013, 50(05003): 1-11. Li Rongling, Shang Huiliang, Wang Yiguang, et al. Research of key enabling technologies for high-speed visible-light communication[J]. Laser&Optoelectro- nics Progress, 2013, 50(05003): 1-11. [14] Sun Z G, Zhu Y J, Zhang Y Y. The DMT-based bit-power allocation algorithms in the visible light communication[C]. Second International Conference on BCGIN. , 2012: 572-575. [15] Pandharipande A. Principle of OFDM[J]. Potentials IEEE, 2002, 21(2): 16-19. [16] 方拥军, 徐志强, 翟明岳. 单用户电力线通信自适应OFDM系统的资源分配[J]. 电力系统保护与控制, 2010, 38(4): 6-10. Fang Yongjun, Xu Zhiqiang, Zhai Mingyue. Resource allocation for single user in power line communication adaptive OFDM systems[J]. Power System Protection and Control, 2010, 38(4): 6-10. [17] Zhang H, Liu Y. A low complexity optimal bit allocation algorithm[C]. 2010 6th International Conference on WiCOM., 2010: 1-4.
2014, Vol. 29 
