Edge Zhanghaifeng

Author: Donnien was thrown into musty for a long time, EDGE (Enhanced data Rates for Global Evolution, enhanced rate transfer service) was again turned out. In December last year, in order to circumvent the TD network coverage of the soft rib, mobile requirements TD terminal manufacturers and cell phone channels will be 3G TD mobile phones as 2G sales, to China Mobile 2.75G Edge Network to enhance the feelings of 3G users, quickly expand the TD user Base.　　This initiative requires that TD mobile phone network selection in the factory setting, the priority search Edge network, in the edge of the network can not find the signal, and then to search TD signal. Such a move makes many people stunned. Throughout the 2009, in addition to the din of 3G, operators have even scrambled to occupy the commanding heights of 4G. At this time, almost already forgotten edge, how can you enter the operator's discernment? Although the movement is still holding the pipa half cover, but the gradual adoption of edge should be a realistic choice.　　"In this respect, there are people in the industry to comment." Edge and 3G conflict as a transition between the second generation mobile communication and the third generation mobile communication, edge performance is better than "second-generation half" technology--gprs, so it is called "2.75 generation" technology.　　As an evolutionary version of GPRS, EDGE in more than two years before the hot a while, in Nokia, Ericsson and other manufacturers of the push, the move has also been carefully considered, and in Guangdong has done experiments, and then also large-scale commercial, but ultimately in the doubt heavy delay. At that time, the impact of the edge of the deployment of the main factor is 3G, the industry is generally concerned that the edge will not have a conflict with 3G? Because, upgrade GPRS after the edge, 3G network may make it quickly eliminated, resulting in network investment waste.　　Because of this, edge upgrade was dragged and dragged. But in later development, it was considered a strategic blunder in China's mobile. "At that time, the data business gradually increased, user bandwidth demand for rapid growth, GPRS is clearly unable to meet the general needs of the Internet, and on the other hand, from Unicom CDMA 1X competition." Mobile was not on the edge, not to say is a mistake.　　Telecom watchers lamented the reluctance to move. It is understood that the edge technology in theory can provide 474kbps of bandwidth, practical applications, support 100kbps above no problem. This speed is more than three times times the GPRS, CDMA 1x slightly higher, and edge technology itself is also progressing, Evolved Edge can provide 1.3M around the downlink bandwidth, can fully support the current majority of mobile data applications. And as a transitional technology, edge of the upgrade smooth and flexible. Edge technology can make full use of the existing GSM resources, only the network software and hardware to make some minor changes, can enable operators to provide mobile users such as interconnectionWireless multimedia services such as Web browsing, video conferencing and high-speed e-mail transmission.　　Edge can also coexist with the future WCDMA format, which is the flexibility of its advantages.　　This is undoubtedly a successful technology, there are ready-made experience to learn from the network to the terminal, from the application to management are more mature, mobile can even directly copy other operators successful mode.　　It is not too late to hope that the opportunity has been missed. For mobile, although TD licences have been issued for nearly a year, the vast majority of users remain in the 2G, even for a considerable period of time, such a situation will not be fundamentally changed. Therefore, to fully upgrade and eliminate 2G network, both unrealistic and wasteful resources. And for mobile operators, layout 3G The first stage of the task is to attract a large number of users, this is fundamental, but also short-term must break the premise, with the user base in the next step in the layout of more value-added service space.　　And for the user, the most important is a good user experience, and as for the background, not the key. Even, when it was fiercely opposed to China Mobile's huge upgrade edge of the "TD Iron Man" Lin, and then gave a modest evaluation, "before I criticized China Mobile in TD-SCDMA small step, build edge can not concentrate on 3G; but now the Edge network already exists, if the upgrade cost is not big, It is good to drive the development of the data business. "At the same time, because China Mobile's data online Td/edge dual-mode, upgrade edge can effectively compensate TD-SCDMA coverage deficiencies," Lin said.　　"In this sense, the edge and the 3G is not a complete competitive relationship, in many cases, they can complement each other." TD, edge Two hands grasping last September, China Mobile has successfully upgraded the edge test, compared to the current rate of one-fold increase.　　At present, China Mobile edge current real speed can reach 200Kbps, upgrade can reach 500Kbps, or even the theoretical speed of up to 1Mbps; in fact, this has exceeded the initial version of TD-SCDMA and WCDMA. According to the Global Mobile Equipment Suppliers Association (association, GSA), 118 network operators in 53 countries around the world are deploying edge to provide a new generation of services.　　17 Network providers in North America, South America, Europe and Asia have used edge services. Global mobile operators use edge technology as a permanent data service repair or as a bridging program to enhance data and voice services over the next few years, according to a new study by visant strategies. Larry Swasey, another author of the study, said: "In terms of population density, average capital gains, wireless penetration and the return of the overall wireless network, operators will consider the edge." This techniqueOperation for operators to meet their reliable investment and return expectations.　　However, the voice from the equipment manufacturers believe that in the global 3G construction tide background, EDGE upgrade version will only in China, India and other countries have a market, and China Mobile continue to upgrade edge is just helpless. Compared with China Mobile in the 2G field of strong marketing, siege pull Zhai, TD-SCDMA commercial three-year report card is a shame. Although China Mobile's TD-SCDMA user figures have been flushed to 1.327 million by the end of August last year, Derek Consulting partner Nakaili said he was concerned that the proposal was: "To regain edge at this stage does not mean not to pay attention to TD-SCDMA and LTE development, China Mobile should grasp both hands- In the development of edge to solve the recent market competition and user development issues, but also need to speed up the construction and coverage of TD-SCDMA network, practical implementation of the ' three not ' principle, focus on solving the problem of TD-SCDMA terminals, for the 3G market after the full outbreak of the long-term competition to prepare fully. "Indeed, that is the premise." Otherwise, the damage is still the TD industry itself. So, Zhanghaifeng edge, ultimately can not saves crisis.