2-D WH/TS光CDMAシステムのパフォーマンスに与えるGVDの影響のモデル(フォトニックネットワーク/制御,光制御(波長変換・スイッチング等),光波/量子通信,GMPLS,アクセス網技術,一般)
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This report proposes a novel model of Gaussian pulse propagation in optical fiber to comprehensively analyze the impact of Group Velocity Dispersion (GVD) on the performance of two-dimensional wavelength hopping/time spreading optical code division multiple access (2-D WH/TS OCDMA) systems. In addition, many noise and interferences, including multiple access interference (MAI), optical beating interference (OBI), and receiver's noise are included in the analysis. Besides, we propose to use the heterodyne detection receiver so that the receiver's sensitivity can be improved. Analytical results show that, under the impact of GVD, the number of supportable users is extremely decreased and the maximum transmission length (i.e. the length at which BER ≦10^<-9> can be maintained) is remarkably shortened; and it is found that the main factor that limits the system performance is time skewing.
- 社団法人電子情報通信学会の論文
- 2008-06-05
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関連論文
- 2-D WH/TS光CDMAシステムのパフォーマンスに与えるGVDの影響のモデル(フォトニックネットワーク/制御,光制御(波長変換・スイッチング等),光波/量子通信,GMPLS,アクセス網技術,一般)