OCDMA相关论文
光学码分多重存取 ( OCDMA)是一个很适于局域网的技术。多个用户的数据被区别编码、在单一媒质中多路复用传输、多路解编并通过编......
PAPERSThe Analysis on Asynchronous Freequency- Time Spreading OCDMA System with Modified Prime CodeMA Wen- hua ZUO Cha......
第 1期系列数字接口物理 /电气特性的规范 G.70 3的修改 毛谦 ( 1 )……………………………………………………未来光网络中的 MP......
A new kind of two-dimensional optical orthogonal code named ESPC/OCS is constructed,which uses the extend square prime c......
Multiple-access interference(MAI) and beat noise(BN) in chip-asynchronous coherent time-spreading OCDMA system are evalu......
创新性地从多址通信角度讨论正交码的选择问题,借鉴传感网络中能效比的概念,提出用次优正交码代替最优正交码的方案并加以分析,降......
提出了基于RS码(Reed-Solomon Code)的光码分多址(OCDMA)系统的前向纠错编码方案,仿真分析了该方案对一维、二维OCDMA系统的纠错能......
提出一种实现二维光码分多址系统编解码的方法。阐述编解码的原理和电光晶体的基本性质,用电光晶体构造编解码器的关键部件电光偏......
第 1期核心通信网的光分组交换 张 煦 (1)…………………………………………………………………………基于下一代光互联网的光突......
An actively mode-locked laser with tunable repetition rate is proposed and experimentally demonstrated based on a progra......
光码分多址系统中,光编解码器是影响系统性能的关键因素之一.自相关峰值旁瓣比(P/W)、自互相关峰值比(P/C)是衡量编解码器性能的两......
以 OCFHC (一次重合跳频码)作为时间扩频序列,OCS (单重合序列)作为波长跳频序列,构造了一种新的二维光正交码 OCFHC/OCS。分析 OC......
Authors Topics Issues Pages[ Mathematics]Galerkin-Shannon Wavelet Methods for the StokesCHEN Wen-sheng Problem 1 33CHEN ......
基于混合光接入网WDMA+OCDMA PON方案,进行软件仿真研究.同一个波长信道的不同用户采用各自的地址码和光编/解码器,不同波长的信道......
F, K, 1) Optical orthogonal codes (OOC) are the best address codes applied to optical code division multiple access (OCD......
提出了一种新的光 CDMA编 /解码方案——分支光波导编 /解码方案 ,研究了分支光波导编/解码的基本原理 ,给出了分支光波导编 /解码......
A new encoder/decoder scheme of OCDMA based on waveguide is proposed in this paper. The principle as well as the str......
期刊
光地址码直接影响到光码分多址网络的整体性能。在简单介绍几种典型的单、多维光地址码的基础上,从基于码集大小和系统同时通信用......
光码分多址(OCDMA)系统中的地址码采用双极性码是一种较好的选择,但需要解决含有负成分的地址码不能在光信道中直接传输的问题。频......
本文对光码分多址通信系统的各种方案进行了分析和比较 ,对实际应用系统的一些关键技术 ,如编 /解码器实现、超短激光脉冲产生、地......
Multiple access interference (MAI) is the most serious interference in spectral phase encoding optical code division m......
构造了一种扩展的双曲线性同余码 ( EHLC)并分析了其码字性能 .用该码作为时间扩频伪随机序列和以素数码 ( PC)作为波长跳频伪随机......
A new family of two-dimensional triple-codeweight asymmetric optical orthogonal code for OCDMA netwo
A new generation algorithm of two-dimensional triple-codeweight asymmetric optical orthogonal codes for optical code div......
提出BCH信道编码的方案来降低色度色散对降低快跳频OCDMA系统性能的影响 采用BCH信道编码后 ,单重合码的长度将变短 ,即可以用较......
1 理论研究期 页单模光纤耦合器耦合系数影响因素的研究 吴 晨 , 李荣玉 , 殷宗敏 ,等 2 14………单模光纤的 PMD 王建......
The BER performance of the coherent time-spreading OCDMA network is analyzed by considering the MAI and beat noises as ......
OCDMA’s network application on LAN, metro-ring and backbone networks are discussed. Its simple tell-go protocol makes ......
介绍了光码分多址网的基本概念、技术及其特点 ,重点综述了光码分多址网的光编码和光解码技术及其研究进展 ,最后指出光码分多址网......
In this paper the impact factors on the optical fiber LAN network with ring topology are considered. The couple ratio, t......
本文提出了一种在步进啁啾光纤光栅实现OCDMA频阈相位编码的方案 ,该方案中引入了影射码 ,根据影射码在相应的子光栅之间加入相移......
In this paper, we have formulated a strategy that the limited available code sequences in pure Direct-Sequence (DS) or F......
A novel drop unit for the optical code-division multiple access(OCDMA) based on fiber Bragg gratings and two-dimensional......
A new class of multilength, constant-weight and two-dimensional multiwavelength optical orthogonal code (2D MWOOCs) with......
Optical orthogonal code is the main signature code employed by optical CDMA system. Starting from modern mathematics the......
The encoding/decoding scheme based on Fiber Bragg Grating (FBG) for Optical Code Division Multiple Access (OCDMA) system......
本文对基于步进啁啾光纤光栅编解码器的OCDMA系统性能进行了分析,通过数值模拟得到系统性能与系统参数满足的关系,为改善系统性能......
A scheme of WDM+OCDMA system employing optical hard-limiter(OHL) is proposed, and its performance of normalized throughp......
围绕OCDMA系统的重要地址码类型——光素数地址码的结构模型,根据有限Galois域上的线性全等理论,系统分析了基本素数码、扩展素数......
A new family of two-dimensional optical orthogonal code(2-DOOC), namely, modified quadratic congruence code(MQCC )/optic......
评述了目前光CDMA系统的研究领域和一些最新的实现方案,对基于SPECTS的光CDMA技术方案进行了分析,研究了影响光CDMA系统实现的主要......
In this paper, a novel Passive Optical Network based on Optical Code Division Multiple Access (OCDMA-PON) is presented. ......
Performance Analysis of Optical Code Division Multiple Access System Based on Carrier-suppressed and
Researched is the generation method about carrier-suppressed return-to-zero(CS-RZ) and single sideband return-to-zero(SS......
The performance of normalized throughput in wavelength division multiplexing (WDM) based coherent time-spreading optical......