Clearwire and China Mobile today announced an agreement on TD-LTE test specifications and an interoperability testing plan. China Mobile and Clearwire both support the global 2.5 GHz spectrum band and TD-LTE. Clearwire and China Mobile were both founder members of the Global TD-LTE initiative, a group intended to drive support for the standard as well as harmonising the technology with FDD-LTE
Clearwire plans to conduct its TD-LTE tests in Phoenix, AZ and Herndon, VA. China Mobile’s testing will be carried out in Beijing and other TD-LTE trial cities.
Beginning this month, China Mobile, Clearwire and others will establish a joint test platform for TD-LTE devices. The two companies will collaborate to enable worldwide data roaming among TD-LTE, FDD-LTE and other 2G/3G networks. The Global TD-LTE Initiative (GTI) is a virtual open platform to advocate cooperation among global operators to promote TD-LTE.
The availability of the Quad-Band LTE 2.3-2.7 GHz spectrum range, in addition to certain other bands like 1.9GHz, as well as FDD and TD-LTE mobility interactions, makes Clearwire a good test market. The labs will allow for the evaluation and qualification of commercial TD-LTE devices simultaneously in the U.S., China, and other promising markets, using common testing methodology, equipment, and infrastructure.
“The unmatched spectrum portfolio underlying Clearwire’s planned LTE network has the potential to deliver faster speeds and with greater capacity than any current or proposed 4G network in the United States,” said Dr. John Saw, chief technology officer of Clearwire.
China Mobile, the world’s largest mobile carrier, has over 630 million mobile users, and is steadily increasing by around 60 million each of the past few years.
The cost of smartphone components and “free” Android software, has led to a number of handset makers selling devices for less than $100. Deloitte predicts there will be at least 300 million of these sub-$100 handsets sold to consumers worldwide in 2012,, added to the 200 million they estimate were sold at this price point this year.
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