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Performance Enhancement for Optical Fast Frequency-hopping CDMA Systems by BCH Channel Coding

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Abstract

In this paper, the impact of optical beat noise on the performance of optical fast frequency-hopping code-division multiple-access (FFH OCDMA) networks is analyzed. BCH/FFH-OCDMA to reduce the impact of optical beat noise is proposed. It is shown that, BCH/FFH-OCDMA has much better performance under the same bit rate, same chip time and same number of available wavelengths. Another advantage for BCH/FFH-OCDMA is that the code length of one-coincidence sequence will be shorter, which can greatly reduce the difficulty of fabrication for fiber gratings.

Newport宣传-MKS新实验室计划
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中图分类号:TN24

所属栏目:Optical Communications and Its Elements

收稿日期:2001-11-15

修改稿日期:2001-12-26

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作者单位    点击查看

JI Jianhua(吉建华):National Laboratory of Local Fiber-optic Communication & Advanced Optical Communication Systems,Shanghai Jiaotong University, Shanghai 200030, China
Fan Ge(范戈):National Laboratory of Local Fiber-optic Communication & Advanced Optical Communication Systems,Shanghai Jiaotong University, Shanghai 200030, China

备注:JI Jianhua received his B.S. in Southeast University in 1991 and his M.S. in university of Shanghai for Science and Technology in 2000. Now he is in the second year of his Ph.D program in Shanghai Jiaotong University. His research interests include OCDMA and WDM networks.

【1】Habib Fathallah, Leslie A.Rusch, Sophie Larochelle. Passive optical fast frequency-hop CDMA communications system. Journal of Lightwave Technology, 1999,17(3):397~405

【2】H.Fathallah, L.A.Rusch. Robust optical FFH-CDMA communications:coding in place of frequency and temperature controls. J. Lightwave Technol., 1999,17(8):1284~1293

【3】L.Tancevski, L.A.Rusch. Impact of the beat noise on the performance of 2-D optical CDMA systems. Commun. Lett., 2000,4(8):264~266

【4】Li Bin. One-coincidence sequence with specified distance between adjacent symbols for frequency-hopping multiple access. Transaction on Communication, 1997,45(4):408~410

【5】J.-G.Zhang. Improvement in bandwidth efficiency of asychronous prime-code CDMA networks by error corrcetion coding. Electron. Lett., 1994,30(6):514~515

引用该论文

JI Jianhua(吉建华),Fan Ge(范戈). Performance Enhancement for Optical Fast Frequency-hopping CDMA Systems by BCH Channel Coding[J]. 中国激光(英文版), 2002, 11(6): 445-448

JI Jianhua(吉建华),Fan Ge(范戈). Performance Enhancement for Optical Fast Frequency-hopping CDMA Systems by BCH Channel Coding[J]. Chinese Journal of Lasers B, 2002, 11(6): 445-448

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