宽带接入网中的DWDM/OOC和大频谱源性能
DWDM/OOC and large spectrum sources performance in broadband access network
摘要:
提出了一种基于密集波分复用(DWDM)和一维光正交码(1D-OOC)相结合的宽带接入网误码率解析表达式的性能评估。已经考虑并模拟了具有相对较大光谱的光源。除了由于光码分多址(OCDMA)的接入方法而在接收器处的多址干扰(MAI)之外,密集WDM通信链路中的这些源的发射辐射引入了附加干扰。传统的相关接收机(CCR)和并行干扰消除(PIC)接收机的局限性进行了讨论。研究了在支持光正交码密集波分复用(DWDM)的宽带接入网中,在给定的用户数和目标误码率出错率下,可接受的大带宽光源类型。
英文摘要:
This work presents a performance evaluation based on elaborated analytical expressions of error probability for broadband access network in the case of a combined technique of dense wavelength division multiplexing (DWDM) and one dimensional optical orthogonal codes (1D-OOC). Optical sources with relatively large spectrum has been considered and simulated. Besides the Multiple Access Interference (MAI) at the receiver due to the access method which is optical code division multiple access (OCDMA), the emitted radiation of these sources in a dense WDM communication link introduces additional interference. Conventional correlation receiver (CCR) and parallel interference cancellation (PIC) receiver limitations are discussed. This paper has investigated the kind of optical sources with large spectrum bandwidth which could be accepted for a targeted bit error rate (BER) and given number of users in broadband access network supporting DWDM with optical orthogonal codes.
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