一种基于相干交织频分多址接入的高能效且灵活的光多址接入系统。
An energy-efficient and elastic optical multiple access system based on coherent interleaved frequency division multiple access.
作者信息
Yoshida Yuki, Maruta Akihiro, Ishii Kenji, Akiyama Yuji, Yoshida Tsuyoshi, Suzuki Naoki, Koguchi Kazuumi, Nakagawa Junichi, Mizuochi Takashi, Kitayama Ken-ichi
机构信息
Department of Electronics and Information Systems, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, Japan.
出版信息
Opt Express. 2013 May 20;21(10):12282-301. doi: 10.1364/OE.21.012282.
This paper proposes a novel bandwidth-elastic and energy-efficient passive optical network (PON) based on the coherent interleaved frequency division multiple access (IFDMA) scheme. We experimentally demonstrate the coherent IFDMA-PON uplink transmission up-to 30 Gbps over a 30 km standard single-mode fiber with 2 × optical network units (ONUs). A low-complexity digital carrier synchronization technique enables multiple access of the ONUs on the basis of 78.1 MHz narrow band orthogonal subcarriers without any guard-bands.
本文提出了一种基于相干交织频分多址（IFDMA）方案的新型带宽弹性且节能的无源光网络（PON）。我们通过实验证明了相干IFDMA-PON上行链路在30 km标准单模光纤上，通过2个光网络单元（ONU）实现高达30 Gbps的传输。一种低复杂度的数字载波同步技术使得ONU能够基于78.1 MHz窄带正交子载波进行多址接入，且无需任何保护带。
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