MWC is a world-renowned communications industry event, and it is also a stage where the industry's amnesty and cutting-edge technology advocates a fierce collision. As in previous years, the appearance of smart phones from various manufacturers at the show is still beautiful, but the difference is that this year's smart hardware "suddenly emerged" attracted enough attention.
Feel the enthusiasm and excitement of these new consumer-centric technologies and products. It is necessary to pay attention to the communication technologies themselves. They don't seem to be “easy to approachâ€, but they will actually change people's future lifestyles. At the MWC feast of wealth, the manufacturers made all the stops, using countless wonderful DEMO to make this seemingly boring technology look cool.
5G becomes the "head card" Huawei new air port
As the future development trend of mobile communication, 5G will naturally become the focus of the MWC industry wind direction event. At present, the world's major communication manufacturers are also accelerating the layout in the 5G field. This MWC is a good opportunity for manufacturers and operators to demonstrate the staged results. In the 5G dispute, I am afraid that no one will fall behind.
Huawei has brought a new 5G air interface technology. These 5G air interface technologies proposed by Huawei include F-OFDM (Filtered-Orthogonal Frequency Division MulTIplexing) and SC-based (Sparse Code MulTIple Access) non-orthogonal access technology, which is adaptive. And software-defined air interface design. It is said that these air interface technologies have successfully completed the test. The test results show that the air interface design can effectively improve the spectrum efficiency, improve the connectivity, reduce the delay, and facilitate the deployment of the Internet of Things and adapt to the high frequency band.
In addition, on the 5G air interface architecture, Huawei said that it has realized the research and prototype of full-duplex transmission technology with anti-multipath and large bandwidth. The test results show that it can save nearly twice the spectrum resources and lay the unified use of TDD and FDD spectrum for the 5G era. basis.
Ericsson dual connection
Ericsson's "big trick" 5G Radio Test Bed showcases the world's first dual ConnecTIvity technology, which means that mobile devices can connect to both 5G and LTE. It is worth mentioning that dual connectivity technology is a milestone to the 5G road, which is conducive to the smooth evolution of LTE to 5G.
Ericsson also proposed the concept of “capillary network†to show how to manage and control large-scale IoT networks. Future 5G networks will connect a large number of devices, most of which are unattended, and the capillary network concept shifts network management from one-to-one to one-to-many.
Nokia Prototype
At the show, Nokia Communications demonstrated 5G wireless devices running on the new millimeter and centimeter wave bands, with advanced antennas operating in the 3.5 – 70 GHz band for maximum capacity. At the same time, the new frame structure is implemented to achieve a delay of a few milliseconds.
ZTE PRE 5G struck
Maturity is also a very interesting issue for 5G technology and products. This time, ZTE officially released the baseband RF integrated pre5G base station and conducted a business demonstration. The Pre5G base station adopts Massive MIMO technology, which can greatly improve the spectrum efficiency, so that 4G terminals can enjoy the experience of 5G in advance. It is reported that the base station adopts the new concept design of ZTE Paper and has pre-commercial conditions.
Alang pushes "unified wireless network"
5G will be more integrated and unified, which is the consensus of the industry. Alcatel-Lucent announced the "Unified Wireless Networks" technology at MWC, which can more than double the download speed of the network and increase the upload speed by more than 50 times. The technology integrates WiFi upload and download capabilities with cellular network technology (LTE) to increase network capacity and provide users with higher quality mobile voice, data and video experiences, especially for high traffic demands or signals. Poor area. The technology allows operators to consolidate cellular and WiFi networks into a "uniform wireless network" for home, office or outdoor environments.
Unique technology "fresh goods"
In addition to the focus of 5G technology, according to the development of the communication industry and its own positioning, each communication has brought unique technologies, products and solutions, covering many fields, including 4G wireless, transmission, and backhaul. , Telecom Cloud, NFV/SDN, etc.
Nokia Communications demonstrated the latest developments in TDD-FDD carrier aggregation, doubling throughput and achieving network-balanced load. At the same time, Nokia Communications and South Korea's KT, using Marvell commercial chips, field demonstration of TD-LTE-Advanced uplink 2 carrier aggregation technology, doubling the uplink throughput. It also unveiled the world's first 8-channel TD-LTE-A radio module for the increasingly important 3.5 GHz spectrum, which will provide additional capacity for existing LTE networks and can migrate WiMAX networks to TD-LTE-Advanced The network speeds up by 4 times while reducing latency by half.
Ericsson has demonstrated a large number of wireless and operational service cases, and its other IP and cloud technologies are equally attractive. Ericsson demonstrated the new router 6000 series, which combines wireless and IP transmission, tightly integrates Ericsson wireless systems and Ericsson network managers, and provides high-capacity and integrated SDN capabilities. Ericsson's cloud system is a complete stacking solution that handles a wide range of workloads across multiple industries, providing a platform for 5G development. Demonstrate a "real-time" cloud execution environment for NFV, OpenStack-based virtualized network capabilities, policy-driven PaaS for hybrid clouds, data integrity in cloud environments, data center hardware, and cloud transformation strategies including planning and execution.
Alcatel-Lucent systematically explained its understanding of “2020 Network†on this MWC, and demonstrated its leading LTE strength through case studies: cooperation with third parties to accelerate site authentication and deployment of micro base stations; through unlicensed bands Improve LTE network performance and user experience; improve customer experience tools to support the planning, implementation, security, customer service and IP new service charges of various network elements; use VoLTE to provide ubiquitous personalized communication experience; NFV product line to improve reliability, scalability, and business availability.
MWC2015 related information collection - talk about the innovation of science and technology, on the future direction
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