| Ying-hui Liu,Zheng-rong Tong,Ye Cao,Wei-hua Zhang,Lan Li.A novel joint technique for PAPR reduction in CO-OFDM systems[J].Optoelectronics Letters,2014,10(4):277-280 |
| A novel joint technique for PAPR reduction in CO-OFDM systems |
| Author Name | Affiliation | E-mail | | Ying-hui Liu | Key Laboratory of Film Electronics and Communication Devices, Tianjin University of Technology, Tianjin, 300384, China | lyh19901110@126.com | | Zheng-rong Tong | Key Laboratory of Film Electronics and Communication Devices, Tianjin University of Technology, Tianjin, 300384, China | zhrtong@sohu.com | | Ye Cao | Key Laboratory of Film Electronics and Communication Devices, Tianjin University of Technology, Tianjin, 300384, China | | | Wei-hua Zhang | Key Laboratory of Film Electronics and Communication Devices, Tianjin University of Technology, Tianjin, 300384, China | | | Lan Li | Key Laboratory of Film Electronics and Communication Devices, Tianjin University of Technology, Tianjin, 300384, China | |
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| Abstract: |
| For the high peak-to-average power ratio (PAPR) of coherent optical orthogonal frequency division multiplexing (CO-OFDM) system, a novel joint technique which is the combination of iterative partial transmit sequence (IPTS) and clipping technique is proposed. Simulation results demonstrate that the PAPR and bit error rate (BER) performance of the proposed technique both outperform those of the single techniques. Under the same conditions, the threshold value and peak power of IPTS clipping joint technique are optimized by 3.44 dB and 0.86 dBm compared with those of IPTS techinque, respectively. At the BER of 10?3, the optical signal to noise ratios (OSNRs) of the novel joint technique after 320 km and 400 km single-mode fiber (SMF) transmission are 0.68 dB and 1.18 dB smaller than those of clipping technique, respectively. |
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| This work has been supported by the National High Technology Research and Development Program of China （No.2013AA014201）, and the Natural Science Foundation of Tianjin （No. 13QNJC01800）. |
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