Talk with the honoured guest: Communication TDD product line Vice President of resurgence Yao Lei
TDD spectral price is only 1/10 of FDD
” communication world weekly “: In your view, the intersection of TD-LTE and the intersection of industry and ecology and commercial to plan, develop into already what stage it will be first at present Compared with FDD LTE, what kind of situation is TD-LTE in in different fields such as the standard, technology, market, internationalization,etc.
Yao Lei: TD-LTE industry develops on TD-SCDMA successful and commercial foundation, receive operator and apparatus manufacturers and the high concern of the relevant industry’s producer of domestic, world, the development prospect is good. The intersection of resurgence and communication high pass put out the data card MF820T of monomode hand in hand already at present, this data card has already passed the worker letter portion 2& times smoothly; 2 IOT test, serves TD-LTE external field scale test. Anaphase both sides will also cooperate in introducing 5 terminal stations, this will accelerate TD-LTE commercial process greatly.
Have abundant TDD frequency band that is assigned in the world at present, it is very wide to distribute in the whole world, and under the efforts of national governments, operators and industry every producers, LTE TDD/FDD has got very good integration, 3GPP TD-LTE is basically identical with LTE FDD standard formulation progress, time of industry disparity shrinks progressively too, the professional ability of the network keeps unanimity. In addition, foreign the intersection of operator and input on buying frequency band account for, network 40%-60% of cost, and the price of TDD frequency band is basically only equivalent to 1/10 of FDD frequency band, so TD-LTE is regarded as the new commercial opportunity by a lot of operators gradually, there is enthusiasm and begin to test the operator that proves is increasing progressively, even there is initial investment TDD frequency band of European operator, have an optimistic view of the appreciation potentiality of this frequency band.
” communication world weekly “: Please combine practice of your company and discuss, how did 6+1 city TD-LTE pilot situations develop at present China move in 2011 What kind of achievement and experience is demonstrated in pilot course What factor does the making of these achievements benefit from And during some weak point reflected,through what kind of is it solve general plan and action
Yao Lei: The letter department of engineering sends the documents formally to start the try net test of TD-LTE scale at the end of March this year, test 2& times in the previous TD-LTE try net entry; In 2 IOT test, batch producer tested to finish can enter the intersection of external field and the intersection of scale and try net. The resurgence communication takes the lead in finishing and achieving the firm video-information, sea and thinking of IOT test of two chips, become get permission, enter the intersection of TD-LTE and producer to test external field while being batch, responsible for undertaking the construction of TD-LTE networks of Guangzhou. Enter whom external field test, have Datang, China, the intersection of promise and west, Shanghai Bell while being batch, enter the external fields of Nanjing, Shenzhen, Hangzhou, Shanghai separately. In terminal chip, mainly achieve the firm video-information, high pass, sea thinking, Sequans, Altair, ST-Ericsson, three star magnitude producers.
On the whole, the industry chain of TD-LTE has already been relatively perfected, besides energetical support of domestic enterprises, the foreign enterprise supports extensively too, and carried on the input of essentiality. Especially in chip, the influential enterprises represented by high pass participate in too, have strengthened industrialization strength greatly.
The panoramic scheme of network connection supports the try net of Guangzhou
” communication world weekly “: How is the situation that your company participates in pilot construction of TD-LTE 6+1 cities actually Which are there in such aspects as technology, standard, market, cooperation to break through among them Which places are there to still store the improvement and promote the space
Yao Lei: The intersection of resurgence and communication pay close attention to the intersection of TD-LTE and the intersection of scale and the intersection of try net and construction of Guangzhou, devoted to the intersection of helping hand and Guangzhou move, make, order it for domestic the intersection of TD-LTE and mould of network, make great efforts to ensure the quality first of the network, test result first.
In January of 2011, China Mobile started the experiment network preparation of TD-LTE scale, did a good job of the adequate preparation in such aspects as products, project, stream in resurgence communication, cooperate with China Mobile to work actively. Wide TD-LTE the intersection of China Mobile and 6 the intersection of city and external field one of in external field, in worker after letter portion claim, begin, start, test Aranea, act as formally March 24, the resurgence communication offers the core network, wireless device for the fact that Guangzhou is moved, terminal etc. to carry to the end scheme, both sides opened the high-speed data traffic of first of the external field of the scale at the beginning of April, have laid the foundation for TD-LTE abundant business. It is estimated TD-LTE scale try net of Guangzhou will finish the test zone to open on May 30, finish the whole network’s optimizing on June 30, finish the first stage and test and enter TD-LTE scale and test the second stage of networking on September 30.
Five of other Guangzhou and the whole country undertake the construction of a different one of city of external field of TD-LTE scale, the difficulty of the wireless network overlapping is great, include 2 CBDs in the overlay area of 13 sq. km., 2 universities, various typical scenes such as village, 600 30 multiplace layers and more than high buildings, a dozen important main roads and the water areas of Pearl River in 10 tunnels, 7 gymnasiums and stadiums, 4 cities, the resurgence communication proposes different solutions solve various difficult problems of network connection to different scenes, and accumulated a large number of construction experiences. The realization of such panoramic scheme of network connection has actual directive significance to the test of external field of TD-LTE scale even more.
” communication world weekly “: How are LTE development strategy and goal of your company conceived (Respect of can open up and cooperate from patent, personnel, technology, market, products, world ing etc. is discussed synthetically. )You move the pilot situation in 2011 years while thinking, what kind of function have ecological in industry maturity and push as to TD-LTE played
Yao Lei: TD-LTE is a primary strategy technology selection of the resurgence communication, and hope to extend TD-SCDMA first achievement, continue, take the lead in race TD-LTE. The resurgence communication entered TD-LTE field since 2005, was developing thoroughly constantly in TD-LTE wireless system, chip, every terminal field, lead the development of TDD industry continuously. Have set up 8 TD-LTE research and development centres in U.S.A., Europe, Shenzhen, China, Shanghai, Xi’an, Nanjing and other places in resurgence communication at present, over 4000 research and develop research and development that elites carried on the wireless system, core network and terminal products synchronously. The resurgence communication throws 10% of the incomes into researching and developing, technical research of the front every year, data display which World Intellectual Property Organization announced in Geneva on February 9, 2011, the total amount of international patent application of news report of resurgence ranks the second in the world of the residence, first in China. In LTE, the holding amount of the essential patent accounts for 7% in the world, it is the whole world that there is one of the most producers of independent intellectual property rights.
The resurgence communication cooperates with each side of industry chain actively, urge the maturity of TD-LTE industry together. In the terminal respect, the cooperation of the chip manufacturer that the resurgence communication is being deepened constantly and high pass Qualcomm, achieved firm video-information, Altair, Sequans, ST-Ericsson,etc., launch IOT test actively. Up to will it be March 2011 year, the intersection of resurgence and communication build TD-LTE network with in the world 13 22 operators of country jointly already, spread all over areas such as the Europe, India, CIS, the Asian-Pacific area, Southeast Asia,etc..
WiMAX is global and first beautiful to LTE staging
” communication world weekly “: In the first half of this year, the resurgence communication united the Malaysian operator P1 to show the global first WiMAX/TD-LTE system demo together, how please talk about concrete cooperation situation What kind of function has P1, this action development and push of TD-LTE industry, played In carrying out the transition from WiMAX to TD-LTE and developing, why can P1 be chosen resurgence In the future, what kind of cooperation will resurgence be launched with P1
Yao Lei: Will it be April 5 2011 year, the intersection of operator and P1, WiMAX of Malaysian, unite the intersection of resurgence and communication, show WiMAX to gradual progress scheme of TD-LTE in Port Dickson, this is industry’s first time demonstrated to the media from WiMAX to TD-LTE staging course live. ZTE as the intersection of P1 WiMAX and the intersection of network and manufacturer now, use the same sets of the intersection of WiMAX and system go through the upgrade of the software become TD-LTE system several ten minutes on the scene, have not changed any hardware during this time, is shared 20MHz bandwidth by two terminal stations while demonstrating, demonstrate TD-LTE hump speed is up to 130Mbit/s. This demonstration has proved the base station of ZTE is supported from WiMAX to TD-LTE smooth upgrade, maturity gradual progress scheme from WiMAX to TD-LTE of possession, 4T8R RRU solution that P1 CEO praises ZTE can improve the up run, improves the coverage of base station.
P1 offered WiMAX wide-band network as first in Malaysia ” 4G” Wide-band supplier, this measure is described as having historic significance of stake nature, have indicated a kind of future gradual progress directions of WiMAX operator can be TD-LTE, but network hope smooth to perform operator to enter TD-LTE, have very great encouragement function again at the same time now as to some the intersection of possession and WiMAX, help to expand the alliance army of TD-LTE.
The resurgence communication is not only responsible for disposing P1 the second stage of project, but also undertaking the construction of three the whole TurnKey projects, China includes SACME, WiMAX network planning and design, apparatus offering, engineering service and network optimization,etc..
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