According to the Global Action Equipment Suppliers Association (The Global mobile Suppliers Association; GSA) latest data indicate that the evolution of the long-range plan (Long Term Evolution; LTE) telecommunications service operators, so far, 360 businesses providing commercial communications services, as in 2014 there are 96 new entrants telecommunications operators to provide LTE commercial services, including LTE data transmission services provided up to 49 already have LTE-A specification focuses carrier aggregation (Carrier Aggregation; CA) technology solutions, LTE-A provided CA acess way has become 2015 smart phone, one of the key data transmission applications tablet PC, but also mainstream models support functions essential items.
LTE-A specification biggest advantage lies in the Carrier Aggregation technology into, let LTE data transmission services to make better use limited spectrum resources and create a higher / downlink transmission efficiency of performance.
Embedded SoC used in mobile devices wisdom, shoulder common arithmetic functions deal with the complex baseband data transmission and other functions, about the performance of the product function and performance of the end product.
Communications chip maker Qualcomm, in this wave of LTE technology to compete in the most positive action performance, in addition to actively soliciting telecommunications service providers, terminal equipment industry into LTE Cat.9 early technical testing and service operations, while the new high-end mobile computing chip SoC, also it will chip architecture LTE-A (Long Term Evolution-Advanced) as a standard built-in modem specifications.
New Qualcomm Snapdragon 810 SoC processor is available through three 20MHz LTE carrier aggregation bandwidth, carrier aggregation technology programs through 450Mbit / s ultra-high-speed downlink speed to download, currently in LTE Cat.9 technical solution, Qualcomm has been with British Telecom operators EE (Everything Everywhere), HUAWEI together to complete construction of three carrier aggregation LTE Cat.9 transport mechanism interoperability testing.
LTE Cat.9 carrier support group at 3 aggregation, can reach up to 450Mbps theoretical transfer value, if the view of mainstream wired Ethernet transmission performance of 100Mbps, which is equivalent to 4.5 times the solid line transmission cable networks under control transmission performance, the end user experience beyond the wired network, you can achieve perfection of experience in multimedia applications for mobile devices.
Directly benefit from LTE Cat.9 networking technology brings, that acess internet multimedia applications, video sites, online games can be more quickly when complete data download and buffering speed acess provide application services to enjoy rich functionality, with more core application processor, to the data acess, multiple application execution performance boost efficiency, allow the use of the terminal device experience dramatically.
Resilient polymeric carrier transmission resources to enhance the practice of multiple transmission performance
Although the three groups of theoretical transfer value 20Mhz carrier aggregation can reach 450Mbps, but the actual implementation of the application will be because the environmental impact, base cloth to build state and affect the transmission performance. With Qualcomm, British Telecom providers EE integration of resources and jointly build HUAWEI of LTE Cat.9 three carrier aggregation interoperability testing, using Snapdragon 810 SoC processor, HUAWEI commercial base station solutions on EE LTE-A 4G + network application complete speed measurement, the measured state to 1,800MHz band, 2.6GHz band 20MHz bandwidth aggregation respective carrier, and then with a group of self-2.6GHz frequency band and then a group of polymeric carrier 15MHz bandwidth, reached a preliminary 410Mbps download performance, thus empirical tests can Learn why CA carrier aggregation scheme can become the focus of technology solutions LTE commercial services.
In-depth review Qualcomm, British Telecom providers EE integration of resources and build a common HUAWEI LTE Cat.9 interactive test environment, former British carriers EE's LTE commercial service reached only Cat.6 grade, but polymerization mechanism acess carrier support through CA allows Cat.6 escalate into Cat.9 LTE-A transmission environment, upgrade the existing LTE Cat.6 equal to about 1.5 times the transmission performance, not only reduce the time and cost of high-speed LTE base station deployment of application services, but also to provide elasticity terminal users differentiated upgrade options, make better use of telecom operators limited spectrum resources, as support LTE Cat.9's Snapdragon 810 processor, is expected to begin shipping in early 2015.
Demand for high-end applications spotted MediaTek actively deploying LTE-A SoC
In addition to Qualcomm actively deploying LTE-A applications, the original locking medium / high-end applications MediaTek, is also expected to release the second quarter of 2015 to support the LTE-A processing chip SoC action. MediaTek launch of mobile computing chip SoC, had actively expand the mainland telecom service providers related to the deployment and application of LTE, the estimated value of shipments in 2015 the next generation of LTE-A SoC as much as 100 million units!
Because of the continent 4G mobile communications service penetration has reached 30%, the industry estimate replacement demand smart phone penetration will make 4G services in 2015 to advance to 6-7, will jointly stimulate 4G chips or Advanced Support LTE- A SoC market demand surge.
MediaTek original in the entry / mid / Advanced 4G chip market has provided a corresponding program, in order to integrate SoC over multimode modem support, with multi-core application processor actively sights application market, but also from the application processor 32 yuan from 64 yuan gradually replace mainstream applications architecture. Especially in the LTE-A-driven applications CA polymerization directly transfer performance bonus multiplier attractive terminal devices, MediaTek is also planned in the second quarter of 2015 to support the introduction of LTE-A Cat. 6 transmission rate specification SoC.
Advanced flagship Intel XMM 7262 platform upgrade support TDD / FDD LTE
On the other hand, Intel is actively with XMM 726x platform, and actively gun attack LTE-A applications. Currently Intel XMM 726x family of solutions, the new upgraded to support LTE-A based applications, the program has been made in China-related chip mobile telecommunications application certification.
XMM 726x family of solutions for LTE-A second-generation Intel chip platform products, in an earlier version of the XMM 7260 has begun volume shipments, while access to Samsung GALAXY Alpha smartphones import consolidation, while the new XMM 7262 solutions for adoption and XMM 7260 platform, the same architecture, but to strengthen the application of TDD LTE support on the communication mechanism.
In other words, Intel XMM 7262 solutions can support TDD / FDD LTE, Wideband Code Division Multiple Access (WCDMA), High Speed Packet Access + (HSPA +), Time Division - Synchronous Code Division Multiple Access (TD-SCDMA), Time Division -High Speed Packet Access (TD-HSPA) and Enhanced Data rates for GSM Evolution (Edge) and other communications standards, with some inroads into the mainland to TD-LTE communication technology-based regional import market developed application platform.
XMM 7262 modem include integrated Intel X-GOLD 726 baseband processor, SMARTi 4.5 RF (Radio frequency, RF) transmit / receive unit. Intel XMM 7262 platform offers LTE Cat.6 300Mbps transfer rate, in a single SKU can simultaneously support up to 23 LTE bands, even XMM 7262 is itself designed to support multi-mode communication mechanisms in LTE data acess is poor quality, but also seamlessly connect 2G / 3G / 4G LTE data transmission services in a single RF receivers use carrier aggregation technology can transmit simultaneously increased to 40MHz aggregated bandwidth amplification, while the transfer process with Envelope Tracking (Intel second generation packet tracking) technology and antenna Tuning (antenna adjustment) technology, will also depress overall platform power consumption, improve the terminal device during high-speed transmission baseband chip high energy issues, and further improve the performance of the entire device battery life.
Terminal by frequency division multiplexing Time-division duplex Frequency-division duplex (FDD), complex TDM Time-division duplex (TDD) transmission mechanism band, multi-mode support, not only allows support LTE data transmission can be easily reached a multi-national roaming application scenarios, if the CA provides carrier aggregation applications plus if telecommunications service providers, it can effectively extend the effectiveness of the device to download, so that the relevant cloud applications, data transmission achieve instant download, fast transfer of advantage, while the new high-speed transmission mechanism again with a new generation of multi-core processors integrate the overall effectiveness of the product, the wireless transmission performance, battery standby life expectancy in all aspects of the advantages of integration will be constructed more perfect wisdom mobile device experience.
Caption: Embedded SoC for mobile devices used by the wisdom, shoulder common arithmetic functions deal with the complex baseband data transmission and other functions, about the performance of the product function and performance of the end product.