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Its advanced optical modulation formats in full duplex Radio-over-Fiber System

Author: ZhangNing
Tutor: ChiZuo
School: Fudan University
Course: Electronics and Communication Engineering
Keywords: Duplex RoF system Uplink Downlink Quadrature modulation Orthogonal optical label Bit error rate calculation Minimum Shift Keying Order Minimum Shift Keying
CLC: TN929.1
Type: Master's thesis
Year: 2011
Downloads: 64
Quote: 0
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Abstract


At present , optical fiber communication is widely used worldwide . As the underlying structure of the optical communication network , optical access network connected to the control switchboard station and local networks , and its position is essential. As an optical access network , Radio-over-Fiber technology provides can achieve high-speed, large-capacity optical access future target solution. At the same time , advanced optical modulation formats of optical communications research focus is , therefore, how the different optical modulation formats used in full-duplex RoF system uplink and downlink, the subject gradually into sight. Based on the above background, focus on the following: a wide range of applications for the current quadrature modulation and orthogonal optical label switching technology , discussions focused study of this particular technology in bit error rate calculation method , the mathematical derivation for simulation, which gives general multilevel modulation signal bit error rate calculation formula. 2 study of all-optical minimum shift keying (MSK) modulation generated structure diagram is given and the existing one in order MSK modulation structure , based on the research second MSK modulation structure, and gives structure diagram and simulation results . 3 the MSK modulation , based on the MSK modulation format is given duplex based RoF system , are discussed in the uplink of the MSK modulation sideband signal and the demodulated downlink signal MSK modulation , given the structure schematics and simulation analysis, discussion system performance.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Lightwave communications, laser communications
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