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The author:(作者)aaapublished in(发表于) 2014/12/10 8:36:17 TD， and SCDMA， China Mobile， unspeakable pain，
TD-SCDMA, China Mobile's unspeakable pain-TDSCDMA,3G,4G, mobile-IT informationTD-SCDMA, China Mobile's unspeakable pain
On December 4, 2014, China 4G the first anniversary of the three carriers expressions: China Mobile Tan of joy was his report card: at the end of October, 570,000 4G base stations, covering more than 300 cities and 75% of the population basic roaming coverage, 27 countries and regions, and more than 50 million users. China Unicom, China Telecom said the faint, faint with desire, and Hugh's embarrassment.
On December 4, 2013, the Ministry issued to all three carriers are TD-LTE a licence at the moment, the situation was doomed. Everyone knows that China Mobile will definitely full of enthusiasm into 4G, fast forward dash. As for the reason why dash 4G, clearly in mind has become all but can't say of secret.
China Mobile to gain entry to 4G
Mobile 4G swift pace, such as electricity, or even at all levels cannot wait. They are confident that two days later, China Mobile's 4G base station will reach 700,000, users will be more than 7000 people.
4G development of China Mobile has more speed than its two domestic competitors. China Unicom, China Telecom, 4G number of users has been secretive, unwilling to disclose number of 4G users. However, one obvious comparison is that in October this year, China Mobile's 4G users in a single month growth of 13.5 million; China Unicom mixed with 3G and name of LTE "mobile broadband" overall increase of 1.15 million for China Telecom, also emphasized the 3G users grew by 2.1 million, had made no mention on 4G.
From a global perspective, China Mobile's 4G development speed is also quite amazing. GSMA (GSM Association) is expected until the end of the year, global 4G will be more than 400 million users. This means that although the 4G commercial 2 years later than European and American carriers, China Mobile's 4G users quickly to global 4G user 17.5%. From the base station, China Mobile now has a 4G base station 4G base station has gone far beyond the European countries combined.
Mobile self concludes that, from the first 4G base station opened, into the 4G experimental network, then to phase I, phase II and phase III project to advance, less than a year, China Mobile is to "network" as the standard, built the world's largest 4G. China Mobile is expected to 2015 will reach 150 million 4G users, double to 300 million until 2016.
Stand at 4G inlet, looking back on TD-SCDMA, China's independent intellectual property rights 3G the pace of development at an alarming rate. In January 2009, only if there are more than 20,000 more TD-SCDMA base stations in China, still not a full 3G, total users less than 420,000, and can't find any allies in the world. Compared with them, with 3G standard WCDMA is already very mature. The end of 2008, global commercial WCDMA network has had 254, of which more than 90% upgrading to HSPA WCDMA networks. WCDMA/HSPA-287 million users worldwide, more than 1.8 billion is expected in 2013. China Mobile's TD-LTE base stations was rapidly increasing construction scale in 2012 from 20,000 to 200,000 in 2013 business again in 2014 to 700,000, far more than the sum of 500,000 TD-SCDMA base stations over the years.
After the commercial, China Mobile's TD-LTE in just 11 months reached 50 million users, and TD-SCDMA users to 50 million took three years. Although as of October 2014, China Mobile announced the 3G number of users reached 243 million, 3G users in total 482 million across the country accounted for more than 50% on the plate. So-called 243 million users, was in large part directed at China Mobile's hefty subsidies to purchase Terminal, but rarely use 3G service, is "3G doing the 2G thing", not only failed to bring to China Mobile rising incomes, but China Mobile had to devote a lot of subsidies.
TD-SCDMA network utilization is not high. China Mobile CEO while Li, who will attend the 2011 annual results revealed: move 3G 2010 9.9% utilization, 2011 rose to 13.8%, 2012 goal hoped that increased to more than 15%.
In the golden age of mobile Internet start, TD-SCDMA, in fact very few people really use, this is the biggest pain of China Mobile. A more striking contrast is: until the end of October 2014, has developed more than five years, has 243 million subscribers of the TD-SCDMA network data traffic accounts for only around 23%, and just less than a year, has more than 50 million users reached 39% per cent of TD-LTE network data traffic.
"Once upon a time, an area China Mobile TD-SCDMA network problem, broke down a month and no one found. "An equipment supplier of China Mobile, insiders said.
Now, the role of TD-SCDMA network is running: mainly in the 4G network provides network data services that are not covered, as China Mobile's 3G users to upgrade or leave, it will die. And construction earlier than the TD-SCDMA network of GSM, because carrying a TD-LTE voice services will also continue to "fill blind spots" for certain investments.
Islands of abandoned industrial chain
Now, China Mobile's TD-LTE network isn't perfect, you also need to constantly expanding and optimizing, but for China Mobile, and development 4G network as soon as possible was the only may jump out of the 3G fire pit, it can only be a balance between commercial time and user experience.
One former top telecommunications manufacturer for China Mobile's situation is quite understandable: China TD-SCDMA, industry chain has become an island, drag chain forward China Mobile as the engine, it is inevitable that sense of struggle still an outlier. As long as the 4G voice transition programme would be accepted by the market, China Mobile will be pushing for global integration standards and continually improved.
After getting the TD-SCDMA licenses from 2009 to 2013, facing the onslaught of China Unicom, China Telecom, China Mobile's little show.
Once the advantages of smart antennas in the network into trouble. One technician for caixin, a journalist involved in networking: "TD-SCDMA antenna like doors, particularly large, mounted on the roof, the wind almost ripped off roofs. "China Mobile have to organise major equipment for technological research, improved antenna and transmission problems.
User-oriented, China Mobile has no proper terminal. Compared with China Unicom, China Telecom's sale to Nokia, Motorola, Samsung and other mature Terminal, China Mobile started selling Datang, through research and development of new email low-end machines. Mobile Terminal had to come up with tens of billions of dollars a year subsidy to promote the maturity of TD-SCDMA Terminal industry chain.
However, Qualcomm would not produce TD-SCDMA chips, China Mobile can't get the Apple's favor, only to see its rival "Apple" brand, abruptly snatched his high-end customers.
Hardest is on the speed does not go on. 3G edge 2G is the data transfer speed. "Whether it's networking, or the Terminal, just throwing money in, given some time, problems will be solved eventually. But TD-SCDMA technology origin determines its low rate, no matter how optimized also miss the rest of the 3G standard. "A senior who has headed the country's mobile technology department said. Diligently by China Mobile TD-SCDMA network after several rounds of optimization, Terminal by early rarely become rich in species diversity. But in most cases can only be achieved at a rate of 1 Gigabit per second. By 2013, China Unicom's WCDMA general download speeds of up to 21 MB/sec, coming to 42 m/s, 84 megabytes/second evolution; China Telecom CDMA2000 generally 3.1 MB/sec, future evolution of 9.3 m/s; but China Mobile's TD-SCDMA only 2.8 m/sec, even if future evolution can only reach 3 m-4 m/sec.
Congenital deficiency, China Mobile only one side continues to throw money at TD-SCDMA network construction and optimization while watching market share continues to decline. 3G first commercially available in 2009, China Mobile's subscribers to 522 million, proportion of 725 million mobile subscribers in the country reached 72%, followed by China Unicom, accounted for 20%, just run CDMA network of China Telecom accounted for 8%. In November 2013, 4G before business, China Mobile, China Unicom and China Telecom Mobile users share, and 62.2%, and 15.1%, respectively.
By the year 2013, China Mobile TD-SCDMA, tired of the situation has been very clear that in order to balance industry, China had to 4G in advance. However, also taking into account the interests of the TD-SCDMA Industry chain, the Ministry sent three carriers have an TD-LTE license. Will struggle with China Unicom, China Telecom, but would rather wait for LTE FDD licence, rather than large-scale construction of TD-LTE network. In desperation, the Ministry approved in June 2014, China Unicom, China Telecom hybrid networking experiment. China Mobile, the Ministry insisted on LTE FDD test forbid it.
One within the telecom industry pundits told Xinhua in an interview, said that "in fact, LTE FDD and TD-LTE-enabled kernel, different places is only in the RF, as one room has two doors, and LTE FDD and TD-LTE is the wicket, but went out of the door after seeing the same thing. ”
LTE FDD is the world's carrier technology. GSA figures show that as of December 2013, a total of 93 countries worldwide commercial 244 LTE network, including 219 LTE FDD and 25 TD-LTE network, which has 12 FDD/TDD dual-mode network.
"Come TD-LTE, China Mobile TD-SCDMA walked inside. Once LTE FDD opened the door of China Mobile can walk door, integrated with the world. Unlike TD-SCDMA, even went to the House, operation is different from others. "These telecoms authorities said.
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