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Research on Key Technology of Narrowband Power Line Communication System Based on PRIME Standard

Author: LiuYunFeng
Tutor: XuYuanXin
School: Zhejiang University
Course: Information and Communication Engineering
Keywords: PRIME Power Line Communication Single frequency network OFDM FPGA
CLC: TM73
Type: Master's thesis
Year: 2011
Downloads: 108
Quote: 0
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Abstract


User attitude change in the electricity market and the evolution of the electricity network technology , to compel public supply business model to change. The electricity sector needs to establish a new technical support for the electricity network . PRIME ( power line smart metering evolution ) precisely defined needs and on the basis of the physical layer and MAC layer PLC ( Power Line Communication) standard , in order to meet the future needs of the market and to ensure that the power sector 's investment returns . PRIME CENELEN-A band OFDM ( orthogonal frequency division multiplexing ) technique , this technique can achieve the net data rate of 130kbps . This paper describes the concept and development of the power line communication , analysis and comparison of the main power line communication standard , discussed the technical characteristics of the power line communication , and detailed the PRIME standard historical background , the basic concept and technical characteristics , specific the technical solution adopted in the the PRIME standard physical layer and its parameters . This article studies the physical layer of the PRIME key technology and algorithms , the first specific introduced the concept of a single frequency network technology and core technology solutions OFDM physical layer technology , and more in-depth study of the physical layer transmitter and receiver in three key technology, timing synchronization technology , sampling clock synchronization technology , differential modulation techniques , and for the first time a single- frequency network technology and PRIME standards and propose the corresponding technical solutions for the three key modules . This paper analyzes the PRIME standard applications powerline channel and combined with the characteristics of a single transmitter equivalent channel single frequency network scenarios , and channel modeling . PRIME MATLAB simulation of the physical layer platform to build on this basis , the physical layer baseband transmission link key algorithm simulation and do the analysis and comparison of MSE and bit error rate performance of the algorithm . The simulation results show that these programs take full advantage of the PRIME frame structure characteristics and leading and discrete pilot receiving end , with better performance . In this paper, a FPGA implementation PRIME physical layer key algorithm program , made ??a brief presentation on the the optional FPGA chip development process , elaborate timing synchronization module interleaver module sampling clock synchronization module and differential demodulation module implementation the program gives the simulation results and the occupied resources .

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system scheduling, management, communication
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