The long-term evolution plan (LTE) high-speed and low data rate double-track development is increasingly clear. In order to promote LTE synchronization to meet high-bandwidth mobile devices and low-rate, low-cost IoT applications, the 3rd Generation Partnership Project (3GPP) has been actively launched in addition to continuing to promote high-speed standards such as Cat. 9/10/11. The development of the LTE Machine Type Communication (MTC) standard will extend the LTE power map to various application areas of the Internet of Things.
At present, all advanced countries are competing to develop B4G (Beyond 4G) and 5G technologies with the requirements of “large capacity, large bandwidth, large link, low latency, low power consumptionâ€. It is estimated that 3GPP will establish 5G Study Item in advance in 2016. Expand the 5G standard development. Since network gateways, mobile devices and in-vehicle infotainment (IVI) systems require high network bandwidth and transmission speed to support video streaming applications, 3GPP is continually renovating LTE-A carrier aggregation (CA). ), MIMO and other technical specifications, the phase gradually achieves a rate of 600 Mbit / s, 1 Gbit / s or more.
Compared with the LTE and LTE-A high-speed mobile networks, the LTE R12 version of the MTC protocol architecture is quite streamlined and can be described as tailored for IoT M2M applications. It is mainly divided into the sensing layer, the network layer and the application layer. The operation process is based on the sensor to extract environmental information, and then transmitted by using LTE Cat. 1/0 technology or bridging to various wireless local area network (WLAN) technologies. Finally, through the application layer in series with various cloud application services, device-to-device communication can be realized at a lower cost, and the data burden of the telecom core network can be alleviated.
Following Cat. 1/0, 3GPP is scheduled to release the Release 13 standard from 2015 to 2016, further importing the Cat.00 (200kbit/s) MTC solution with lower transmission rate, which will reverse the stereotype of LTE biased high-speed network. Impressions, machine-to-machine (M2M) sensing, communication, computing and instant control applications at lower design costs.
LTE MTC not only helps reduce M2M development costs, but also further implements D2D applications such as shop floor communication (V2V), making the Internet of Things more intelligent and continuous. At present, the technology is still in the early stage of discussion, including standards and test specifications have not been adjusted, coupled with the wafer supply chain has not yet been strong, the fastest must also take 1-2 years of design, filming, production and testing processes, pre- It is estimated that relevant solutions will be available from 2016 to 2017.
A business tablet must have powerful business functions. At present, users use tablet products more for entertainment, and insufficient development of commercial value has become a major factor restricting the development of tablet computers. Many far-sighted terminal manufacturers have set their sights on the business tablet field.
Generally speaking, when business users choose tablet PC products, they still focus on "regular items" such as processor, battery, operating system, and built-in applications, especially office software applications, which are a good helper for business users.
First of all, there must be powerful office software such as customer management software, which can record customer data and related information anytime, anywhere. There is also a need for powerful marketing software, software marketing, reducing manual intervention, and one person can handle all the publicity and customer information.
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