Improvement of transmission capacity in optical orthogonal frequency division multiplexed access link using an adaptive sampling and L1-minimization based on compressive sensing
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- 作者：Yong-Yuk Won ; Sang-Min Jung ; Sang-Kook Han…
- 关键词：Compressive sensing ; L1 ; minimization ; Optical orthogonal frequency division multiplexing ; Passive optical network
- 刊名：Optical and Quantum Electronics
- 出版年：2015
- 出版时间：August 2015
- 年：2015
- 卷：47
- 期：8
- 页码：3117-3126
- 全文大小：743 KB
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Sang-Min Jung (2)
Sang-Kook Han (2)
Sang Min Yoon (3)
1. Department of Electronics, Myongji University, Yongin, Kyeonggi-do, 449-728, Korea
2. Department of Electrical and Electronic Engineering, Yonsei University, 50, Yonsei-ro, Seodaemun-gu, Seoul, 120-749, Korea
3. School of Computer Science, Kookmin University, 77, Jeongneung-ro, Sungbuk-gu, Seoul, 136-702, Korea - 刊物主题：Optics, Optoelectronics, Plasmonics and Optical Devices; Electrical Engineering; Characterization and Evaluation of Materials; Computer Communication Networks;
- 出版者：Springer US
- ISSN：1572-817X
文摘
A new technique, which can increase the data rate in optical orthogonal frequency division multiplexed access link, is proposed in this paper. An adaptive sampling based on a compressive sensing (CS) technique is implemented in order to save channel bandwidth. The CS tells us that all signals with high sparsity, which is sampled below the Nyquist/Shannon limit, can be reconstructed successively using sufficient measurement. In this paper, it is reported that the compression ratio of 40 % is observed within the error free optical transmission (FEC limit: BER of 10鈭?) in case of QPSK symbols. It means that its data rate can be increased by 1.7 times (from 1.56 to 2.3 Gbps) using the proposed technique without the use of optical and electrical devices with higher physical bandwidth. Keywords Compressive sensing L1-minimization Optical orthogonal frequency division multiplexing Passive optical network