At the end of the month, MWC 2014 was held in Barcelona. The most striking thing about this conference is that mobile smart terminals are booming; 4G LTE is leaping globally.

The big background is that there are currently 274 LTE commercial networks deployed worldwide, including 30 LTE TDD networks. At the end of 2012, 148 networks were commercialized and nearly doubled. In addition, global smartphone shipments exceeded 1 billion in 2013. The mark, the move is the biggest platform in human history.

A closer observation is that "China Power" has become the top priority of the MWC - the LTE license was issued last year, and China's 4G development has caused global concern. The Ministry of Industry and Information Technology and China Mobile have repeatedly stated that China will vigorously develop 4G, and The development model of LTE FDD and LTE TDD hybrid networking will be adopted; at the smartphone level, in 2013, China's smartphone shipments reached 423 million, accounting for more than 40% of the global total.

4G LTE global advancement "China Power" on MWC

Fusion into 4G winning key

How to make 4G bigger and stronger? The consensus in the industry is that under the unified standard of LTE, the common integration of FDD and TDD modes is becoming the key to the development of 4G. Li Yue, president of China Mobile, said at MWC that in the past five years, China Mobile’s pursuit of promoting TD-LTE (LTE TDD) industry development has always been to achieve convergence. TD-LTE and LTE FDD are an LTE, but there are two different forms of expression. TD-LTE allows the remaining frequencies to be fully utilized for a more efficient organization.

According to media reports, China Mobile's system has achieved a high degree of integration between LTE TDD and FDD systems. The service can seamlessly switch between two services, and has launched five-mode ten-frequency, five-mode thirteen-frequency, and even six. Modular multi-frequency and other terminals.

Regarding the common integration of FDD and TDD, Alan Hadden, GSA (Chairman of Global Mobile Equipment Suppliers Association), believes that "because LTE is a global unified, universal standard, network deployment and user terminal manufacturing of LTE FDD and TDD can greatly benefit from LTE's global economies of scale."

As we all know, a more unified standard will support the rapid development of 4G LTE. As the latest report from Strategy AnalyTIcs, a market research and consulting organization, “LTE TDD and FDD systems share the same network architecture and protocol stack, and the key technologies and core processes of the physical layer are exactly the same. At the beginning of LTE design. 3GPP will realize a single air interface technology supporting both FDD and TDD as a very clear system requirement of LTE, and hope to provide greater economic scale for both duplex systems." Report, "Converged LTE TDD And FDD is becoming a booster for data rates and network capacity, and unified standards are providing a solid foundation for LTE's global economy."

It is worth noting that the GSMA (Global System for Mobile Communications) awarded the 2014 GSMA Chairman's Award to Qualcomm Chairman and CEO Paul during the MWC period. Dr. Jacobs, founded in 1995, is the most prestigious award given by the GSMA for individuals who have made outstanding contributions to the prosperity of the global mobile communications industry. GSMA also emphasized "LTE standard convergence" in the awards, GSMA said, "Qualcomm has made significant contributions to the commercialization of LTE. LTE is a global unified 4G standard. Based on the pursuit of innovation and the operation of horizontal industrial chain, Qualcomm In the advanced mobile technology research and development, it has invested more than 28.6 billion US dollars."

Regarding the common integration, during the MWC, Yang Xikai, president of Ericsson's Northeast Asia region, said in an interview with the media: "If China's 4G market wants to achieve greater success, it must focus on global standards and establish a more complete ecosystem." He stressed that Ericsson has already Support for multiple actual “fusion” cases around the world.

Future: LTE Cat.6, LTE Broadcast, LTE Direct

At MWC, some leading vendors such as Qualcomm, Ericsson and Huawei have demonstrated their LTE Cat.6 solutions. For example, Qualcomm cooperated with Samsung, SK Telecom and KT to complete the live demonstration of the world's first LTE Advanced Category 6 connection (download speed up to 300Mbps) via Samsung Galaxy Note 3 smartphone. The Samsung Galaxy Note 3 smartphone used in this demonstration was specially modified for the demonstration, using Qualcomm's industry-leading technologies, including the Qualcomm Snapdragon 805 processor and the Gobi 9x35 modem. The Qualcomm Gobi 9x35 is the first 20nm-based cellular modem to support a global carrier aggregation deployment of up to 40MHz on LTE TDD and FDD Cat.6 networks with download rates up to 300Mbps.

And LTE Broadcast has come to us. LTE Broadcast is similar to traditional broadcast TV, but more complex, it can deliver more content and services to mobile end users and effectively utilize LTE networks. Before the Spring Festival, KT launched the world's first LTE Broadcast (eMBMS) commercial service, transmitting mobile TV content to its Samsung Galaxy Note 3 users, users do not need to pay for data. This business is based on Qualcomm's LTE-B solution. At the same time, Qualcomm also announced the addition of Qualcomm's Snapdragon 610 and 615 chipsets for high-end mobile computing terminals, supporting new requirements such as LTE-Broadcast and LTE dual-card dual-channel (DSDA).

In terms of LTE Direct, Qualcomm and Deutsche Telekom announced that they will cooperate in Germany to conduct the first LTE Direct operator test. LTE Direct is expected to be a platform for operators to support the next generation of close-range services. The platform uses licensed spectrum and the platform operates based on the LTE physical layer. LTE Direct is an end-to-end discovery platform that continuously discovers thousands of terminals and services while maintaining privacy and battery efficiency.

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