Transcription of 7章 無線技術の光伝送への応用 - ieice-hbkb.org
1 5 3 7 5 ( )- 3 7 7-1 7-2 QAM 7-3 ofdm 2017 1/(5) 5 3 7 2017 2/(5) 5 3 7 7-3 ofdm [2010 7 ] ofdm Orthogonal Frequency Division Multiplexing FFT 1) ofdm 2-13) ofdm ofdm 7-3-1 ofdm 7 1 ofdm T n 1 7 1 t FFT TFFT FFT T 7 1 7 1 ofdm ofdm 7 2 CP ofdm CP t FFT TFFT FFT
2 T n=1n=2n=3n=4 1/T5 3 7 7 2 ofdm CP 7-3-2 ofdm ofdm 2 7 3 7 3 FFT IFFT FFT IFFT FFT IFFT DSP 1000 WDM T = TFFT + t (CP) tFFT TFFT 7 3 ofdm 7-3-3 ofdm ofdm 2 2) 3) 2017 3/(5) 5 3 7 ofdm 2) ofdm RF 4) PLL 5)
3 7-3-4 2007 ofdm 2) Multi-Input-Multi-Output MIMO ofdm 5) 1 WDM 100 Gb/s 2008 FFT IFFT ofdm 4 100 Gb/s 1 000km 6) 50 Gb/s QPSK 2 100 Gb/s 9 612km 7) 2009 32 QAM Gb/s ofdm 8 7 bit/s/Hz 240 km 8) 2010 64 QAM 16 QAM 62 Gb/s ofdm 5 bit/s/Hz 80 km 9) 1Tb/s 2009 FFT IFFT ofdm 36 1 Tb/s 600 km 10) 24 Tb/s 11) 2010 Gb/s ofdm 12) 32 Gb/s 13) 1) S.
4 B. Weinstein, and P. M. Ebert: Data Transmission by Frequency-Division Multiplexing Using the Discrete Fourier Transform, Trans. on Comm. Technol., Vol. COM-19, NO. 5, pp628-634 (1971) 2) W. Shieh, X. Yi and Y. Tang: Transmission experiment of multi-gigabit coherent optical ofdm systems over 1000km SSMF fibre, Electronic Letters, Vol. 43 No. 3, pp. 183 185 (2007) 3) B. J. C. Schmidt, Z. Zan, L. B. Du and A. J. Lowery: 100 Gbit/s Transmission using Single-Band Direct-Detection Optical ofdm , in Proc. Opt. Fiber Commun. Conf., San Diego, CA, 2009, Paper PDPC3. 4) S. L. Jansen, I. Morita, T. C. W. Schenk, and H.
5 Tanaka: Long-haul transmission of Gbits/s polarization-division-multiplexed ofdm enabled by MIMO processing, J. Optical Networking, Vol. 7, Issue 2, pp173-182 (2008) 5) , , , , : 64 QAM ofdm , , OCS2009-1, pp1-6 (2009) 6) S. L. Jansen, I. Morita and H. Tanaka: PDM- ofdm Transmission with 2-b/s/Hz Spectral Efficiency over 1,000 km of SSMF, in Proc. Opt. Fiber Commun. Conf., San Diego, CA, 2008, Paper PDP2. 2017 4/(5) 5 3 7 2017 5/(5) 7) H. Masuda et al: Tb/s (135 x 111 Gb/s/ch) No Guard Interval Coherent ofdm Transmission over 6,248 km Using SNR Maximized Second Order DRA in the Extended L Band, in Proc.
6 Opt. Fiber Commun. Conf., San Diego, CA, 2009, Paper PDPB5. 8) H. Takahashi, Abdullah Al Amin, Sander L. Jansen, I. Morita and H. Tanaka: DWDM Transmission with Spectral Efficiency using Coherent PDM- ofdm Signals, in Proc. Opt. Fiber Commun. Conf., San Diego, CA, 2009, Paper PDPB7. 9) M. Nolle, L. Molle, D. D. Gross, R. Freund: Transmission of 5x62 Gbit/s DWDM Coherent ofdm with a Spectral Efficiency of Bit/s/Hz using Joint 64-QAM and 16-QAM Modulation, in Proc. Opt. Fiber Commun. Conf., San Diego, CA, 2010, OMR4. 10) Y. Ma, Qi Yang, Y. Tang, S. Chen, W.
7 Shieh, 1 Tb/s per Channel Coherent Optical ofdm Transmission with Subwavelength Bandwidth Access, in Proc. Opt. Fiber Commun. Conf., San Diego, CA, 2009, Paper PDPC1. 11) R. Dischler, F. Buchali, Transmission of Tb/s Continuous Waveband PDM ofdm FDM Signal with Spectral Efficiency of bit/s/Hz over 400 km of SSMF, in Proc. Opt. Fiber Commun. Conf., San Diego, CA, 2009, Paper PDPC2. 12) S. Chen, Y. Ma, and W. Shieh: 110-Gb/s Multi-band Real-time Coherent Optical ofdm Reception after 600-km Transmission over SSMF Fiber, in Proc. Opt. Fiber Commun. Conf., San Diego, CA, 2010, OMS2. 13) D. Qian, T. T.
8 O. Kwok, N. Cvijetic, J. Hu, T. Wang: Gb/s Real Time ofdm Receiver for Variable Rate WDM OFDMA PON Transmission, in Proc. Opt. Fiber Commun. Conf., San Diego, CA, 2010, Paper PDPD9.
