A channel estimation algorithm for optical orthogonal frequency division multiplexing systems
A simple channel estimation （UE） scheme, which is pilotaided with just a little number oI pilots inserted in the Itrst half part of the subcarriers, is proposed and simulated for resisting the fiber dispersion in optical orthogonal fre quency division multiplexing （OFDM） systems. The simulation resu...
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| Published in | Optoelectronics letters Vol. 9; no. 3; pp. 217 - 220 |
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| Main Authors | , , , |
| Format | Journal Article |
| Language | English |
| Published |
Heidelberg
Tianjin University of Technology
01.05.2013
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| Subjects | |
| Online Access | Get full text |
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| Abstract | A simple channel estimation （UE） scheme, which is pilotaided with just a little number oI pilots inserted in the Itrst half part of the subcarriers, is proposed and simulated for resisting the fiber dispersion in optical orthogonal fre quency division multiplexing （OFDM） systems. The simulation results verify that the receiver sensitivity is im proved by 23 dBm for bit error rate （BER） of l03 with the proposed CE algorithm than that with other kinds of CE algorithms based on linear square principle. The good constellation performance for a 40 Gbit/s transmission system can be also obtained by the nronosed scheme. |
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| AbstractList | A simple channel estimation (CE) scheme, which is pilot-aided with just a little number of pilots inserted in the first half part of the subcarriers, is proposed and simulated for resisting the fiber dispersion in optical orthogonal frequency division multiplexing (OFDM) systems. The simulation results verify that the receiver sensitivity is improved by 2–3 dBm for bit error rate (BER) of 10
−3
with the proposed CE algorithm than that with other kinds of CE algorithms based on linear square principle. The good constellation performance for a 40 Gbit/s transmission system can be also obtained by the proposed scheme. A simple channel estimation （UE） scheme, which is pilotaided with just a little number oI pilots inserted in the Itrst half part of the subcarriers, is proposed and simulated for resisting the fiber dispersion in optical orthogonal fre quency division multiplexing （OFDM） systems. The simulation results verify that the receiver sensitivity is im proved by 23 dBm for bit error rate （BER） of l03 with the proposed CE algorithm than that with other kinds of CE algorithms based on linear square principle. The good constellation performance for a 40 Gbit/s transmission system can be also obtained by the nronosed scheme. |
| Author | WANG Dong YOU Nian-yu WANG Wei-dong ZHANG Ying-hai |
| AuthorAffiliation | Laboratory of Information and Electronics Technology, Beijing University of Posts and Telecommunications, Bei-jing 100876, China Research Institute of Photonics, Dalian Polytechnic University, Dalian 116034, China |
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| Keywords | Orthogonal Frequency Division Multiplex Orthogonal Frequency Division Multiplex Signal Cyclic Prefix Chromatic Dispersion Linear Minimum Mean Square Error |
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| Notes | A simple channel estimation （UE） scheme, which is pilotaided with just a little number oI pilots inserted in the Itrst half part of the subcarriers, is proposed and simulated for resisting the fiber dispersion in optical orthogonal fre quency division multiplexing （OFDM） systems. The simulation results verify that the receiver sensitivity is im proved by 23 dBm for bit error rate （BER） of l03 with the proposed CE algorithm than that with other kinds of CE algorithms based on linear square principle. The good constellation performance for a 40 Gbit/s transmission system can be also obtained by the nronosed scheme. 12-1370/TN |
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| PublicationTitle | Optoelectronics letters |
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| Publisher | Tianjin University of Technology |
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| References_xml | – volume: 8 start-page: 468 year: 2012 ident: 2409_CR2 publication-title: Optoelectronics Letters doi: 10.1007/s11801-012-2299-1 contributor: fullname: A Hussain – start-page: 942 volume-title: Research on Next-Generation 40 Gbit/s OFDM-PON Employing OOK Modulated Upstream Signals, IET International Conference on Communication Technology and Application, Beijing year: 2011 ident: 2409_CR1 contributor: fullname: D Wang – volume: 14 start-page: 3767 year: 2006 ident: 2409_CR10 publication-title: Optics Express doi: 10.1364/OE.14.003767 contributor: fullname: I B Djordjevic – volume: 42 start-page: 587 year: 2006 ident: 2409_CR8 publication-title: Electronics Letters doi: 10.1049/el:20060561 contributor: fullname: W Shieh – volume: 20 start-page: 605 year: 2008 ident: 2409_CR11 publication-title: IEEE Photonics Technology Letters doi: 10.1109/LPT.2008.918873 contributor: fullname: W Shieh – volume: 8 start-page: 473 year: 2012 ident: 2409_CR3 publication-title: Optoelectronics Letters doi: 10.1007/s11801-012-2328-0 contributor: fullname: C Gao – volume: 7 start-page: 363 year: 2011 ident: 2409_CR4 publication-title: Optoelectronics Letters doi: 10.1007/s11801-011-1044-5 contributor: fullname: Z-p Wang – start-page: 1 volume-title: A Novel WDM-OFDM-PON Architecture with Centralized Lightwave and PolSK-Assisted Multicast Overlay, Conference on Optical Fiber Communication, San Diego year: 2010 ident: 2409_CR7 contributor: fullname: L Zhang – volume: 26 start-page: 841 year: 2008 ident: 2409_CR9 publication-title: Optics Express doi: 10.1364/OE.16.000841 contributor: fullname: W Shieh – volume: 285 start-page: 3075 year: 2012 ident: 2409_CR12 publication-title: Optics Communications doi: 10.1016/j.optcom.2012.02.044 contributor: fullname: F Li – start-page: 1 volume-title: Demonstration of Signal Remodulation Long Reach Carrier Distributed Passive Optical Network using OFDM-QAM Signal, European Conference on Optical Communication, Vienna year: 2009 ident: 2409_CR5 contributor: fullname: C W Chow – start-page: 1 volume-title: A LMMSE Channel Estimator for Coherent Optical OFDM System, Asia Communications and Photonics Conference and Exhibition year: 2009 ident: 2409_CR13 contributor: fullname: M Lan – volume: 24 start-page: 85 year: 2012 ident: 2409_CR6 publication-title: IEEE Photonics Society doi: 10.1109/LPT.2011.2172595 contributor: fullname: H Y Chen |
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| Snippet | A simple channel estimation （UE） scheme, which is pilotaided with just a little number oI pilots inserted in the Itrst half part of the subcarriers, is... A simple channel estimation (CE) scheme, which is pilot-aided with just a little number of pilots inserted in the first half part of the subcarriers, is... |
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| SubjectTerms | Lasers OFDM Optical Devices Optics Photonics Physics Physics and Astronomy 仿真结果 传输系统 信道估计算法 子载波 接收灵敏度 正交频分复用系统 飞行员 |
| Title | A channel estimation algorithm for optical orthogonal frequency division multiplexing systems |
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