All well known, Accompany the Internet rapidly spreading and developing, the IP data bussiness is growing up explosive.Thus,all kinds of new business(AS VOD, Band Width Rent, VPN et.) constantly emerged, The demands for the network bandwidth and reliance is becoming strictly more and more. So the DWDM’s feature of the mass capacity,the Ultra Long Hop
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With the development of full-service and 3G networks, China Mobile are beginning to construct WDM network in various cities to meet the growing bandwidth demand. WDM networks carry more and more important business, and large-particles services, security protection capacity need to be improved.Firstly,this paper analyzes the protection mechanism of a variety of current mainstream WDM
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With the development of foll service, the bandwidth-based service will explosively grow in the next few years. The large particles services have the trend to be extended to the convergence layer. Early exploration of the bandwidth-based service carrying strategy in the metro transport networks will be forward-looking significant.Firstly by analyzing carrying business features, bandwidth and
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With the rapid development of communication technology, the big operators of competition becomes increasingly fierce, the only voice calls business cannot have satisfied people increasingly diverse communication demand, of wireless communication technology business application then become the big operators the fundamentality of income, business application needs to provide more bandwidth, and the capacity of the
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This article primarily focuses on the introduction of time synchronization strategy based on the existing circumstances of various types of transmission networks.According to the current status quo of transmission bearer network used in Zhejiang Mobile TD base station, the article completes the function of transmission network time synchronization and the feasibility study of network upgrade.
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In this thesis, the technology and application of planning rolling of next generation network is studied. The subject is from the rolling planning project of telecommunication planning enterprise. Besides, local service forecasting and rolling planning projects is presented for three years from the view of network planning and the local rolling plan of the core
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In the year of 2011, China Mobile Communications Corporation (CMCC) started wide-ranging tests of TD-LTE technology in seven cities, according to the plan of TD-LTE workgroup of Ministry of Industry and Information Technology of the People’s Republic of China. Nanjing is one of the seven cities. This paper researches on the network design of the
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With China Telecommunications enterprise restructuring and 3 G license plate giving out, Chinese telecommunication is in motion and does business entering the displacement-rization, relaxing as well as melting and complete business times already all round, focus coming to say the industry communicating by letter this is opportunity and challenges the times existing side by side.
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In the year of 2011, China Mobile Communications Corporation (CMCC) started wide-ranging tests of TD-LTE technology in seven cities, according to the plan of TD-LTE workgroup of Ministry of Industry and Information Technology of the People’s Republic of China. Nanjing is one of the seven cities. This paper researches on the network design of the
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In the past two years，OTN technologies，products and network applications are thehot topic in the Chinese telecommunication field. In fact, ITU-T began to develop OTN’sstandards in1998, and the first series of OTN’s standards had been pulished before2003,including G.709, G.798, G.873.1etc. But the OTN products could not have any materialprogress, because the OTN technology had nothing application
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