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Just! 5G Standard R16 Freeze

Author:Bowen Dan Source:Communication Industry News Network Time:2020-07-04 16:01:32 views:

‘The R16 standard is officially frozen!’

At 23 o'clock on the evening of July 3, Beijing time, at the 88th plenary meeting of the 3GPP TSG, the 5G Release 16 (Rel-16) standard was officially frozen, which also means that a more "complete" 5G standard has come, focusing on 5G Both construction and development will enter a new stage.


Two extensions

As the latest generation of cellular mobile communication technology, the performance goals of 5G are high data rate, reduced latency, energy saving, cost reduction, increased system capacity and large-scale equipment connection.


In order to adapt to the early commercial deployment, 3GPP provides the industry with the R15 standard through 3 different steps. "Early" drop: contains non-independent 5G specifications (Option-3 series), ASN.1 freezes in March 2018; "main" drop: contains independent 5G (Option-2), ASN.1 in September 2018 Monthly freeze; "delayed" drop: contains other migration architectures (Option-4,), ASN.1 freezes in June 2019.


In June 2019, the final version of the first phase of the 5G standard (Rel-15) was officially delivered, marking the completion of the standard work of Rel-15. As a subsequent version of R15, the R16 specification formulation cycle is 18 months, which is expected to be Completed at the end of 2019. Affected by the delay in the release time of the Release 15 Late drop version, the release time for the Release 16 specification was postponed to March 2020.

However, due to the impact of the new coronary pneumonia epidemic on the global mobile industry at the beginning of this year, the freeze time of the R16 standard was postponed again by 3 months. Therefore, the R16 standard after two extensions finally ushered in a freeze today.

It is worth mentioning that R16 is also the first technical standard in the history of 3GPP to be reviewed and finalized through a non-face-to-face meeting.

Vertical industry gospel Operator's new grasp

Rel-16, as the second phase of 5G standard version, mainly focuses on vertical industry applications and overall system improvement, including continuous system architecture evolution, vertical industry application enhancement (ultra-high reliable low-latency communication uRLLC, non-public network NPN, vertical industry LAN Type networking services, time-sensitive networks TSN, V2X, Industrial Internet of Things (IIoT), multi-access support enhancement, artificial intelligence enhancement, etc. Others include positioning, MIMO enhancement, power consumption improvement, etc.

Previously, 3GPP has defined three major application scenarios for 5G. Among them, eMBB refers to high-volume mobile broadband services such as 3D/Ultra HD video, mMTC refers to large-scale IoT services, and uRLLC refers to services that require highly reliable and low-latency connections such as unmanned driving and industrial automation. These three major application scenarios point to different fields, and the R16 standard freeze will accelerate the landing of these business scenarios.

Since the launch of 5G commercialization in November 2019, all 5G industry chain stakeholders have tackled the major issue of 5G applications. China Mobile released the "White Paper on 5G Application Scenarios", "Collection of Typical 5G Application Cases", and Huawei released the "White Paper on 5G Application Positions". Leading companies, industry alliances and organizations have organized 5G application competitions, and various provinces, cities and regions have launched 5G. Application pilot.


As the earliest commercial 5G scenario, the application prospect of eMBB is the clearest. It will meet users' further demands for high data rate services. At the same time, operators will also break the boundaries of business scenarios and terminal modes in the 4G era and introduce new services such as 4K/8K ultra-high-definition video, virtual reality and augmented reality, and cloud services. This is also an application focused on the consumer market.

Facing the TO B market, in addition to providing a better experience for each user, 5G also shoulders the mission of industry digitalization, which is also the most obvious difference between 5G and previous technologies. With the completion of the R16 standard, 5G also Will have more comprehensive capabilities for uRLLC business.

Xu Xiaodong, vice chairman of the 3GPP RAN plenary session and chief expert of China Mobile, said that the R16 freeze has realized from "usable" to "easy to use", focusing on "new ability expansion", "existing ability to tap potential" and "operation and maintenance cost reduction and efficiency increase" "Three aspects have further enhanced the ability of 5G to better serve industry applications and improved the efficiency of 5G.


For industrial Internet applications, R16 introduces new technologies to support 1 microsecond synchronization accuracy, 0.5-1 millisecond air interface delay, "six nines" reliability and flexible terminal group management, the fastest end-to-end time within 5 milliseconds Extended and higher reliability, providing support for industrial-grade time-sensitive.


For networking applications, R16 supports V2V (vehicle-to-vehicle) and V2I (vehicle-to-roadside unit) direct communication, through the introduction of multiple communication methods such as multicast and broadcast, as well as optimized perception, scheduling, retransmission and vehicle workshop Connect quality control and other technologies to achieve V2X support for vehicle formation, semi-automatic driving, epitaxial sensors, and remote driving.


Facing industry applications, R16 introduces a variety of 5G air interface positioning technologies, which improve positioning accuracy by more than ten times and reach meter level. Several basic functions of R15 are continuously enhanced in R16, which significantly improves the cell-edge spectrum efficiency and handover performance, and makes the terminal more power-efficient.


However, it should be pointed out that there is no mature business model for 5G applications, and all stakeholders are exploring the 5G market based on their own advantages. With the freezing of the R16 standard, 5G vertical applications will become the market focus in the second half of 2020. , Private network mode may become the entry point of 5G vertical application construction.



Welcome the first year of independent networking commercial

According to the 3GPP plan, the 5G standard is divided into NSA (non-independent networking) and SA (independent networking). Since the freeze of the 3GPP 5G SA standard, there has not been an SA-scale commercial network in the world so far. 5G SA has been innovative in terms of architecture, technology, and services, and can better meet the diversified scenarios of vertical industries.

Earlier, the Minister of Industry and Information Technology, Miao Wei, pointed out in a reporter's question at a press conference held by the State Council Information Office that he should continue to promote basic telecommunications companies to increase investment and steadily promote the construction of 5G networks. After the establishment of the ITU R16 standard this year, we must focus on accelerating the network construction of independent networking. Only independent networking can further demonstrate the performance of 5G.


At present, my country's 5G has initially formed a leading trend, on this basis, independent networking (SA) has become a new goal of 5G. The three major domestic operators are all accelerating their evolution towards 5G SA. This is a new stage for my country to lead the development of 5G and a top priority for the development of new 5G infrastructure.


Independent networking can play all the characteristics and functions of 5G network, which will be the final choice for 5G development. However, independent networking requires continuous investment of new equipment and the cost is higher than non-independent networking.


At the same time, SA is the first new-generation network from leading design to first deployment in China. While the 5G SA network greatly expands the boundaries of the communications industry, it also brings some challenges. It requires joint efforts within the industry and outside the industry. Cross-border cooperation.


"SA is a 5G end-to-end architectural innovation, it is also a cloud-based cloud network and cloud edge integration innovation, and it is also a system innovation of 2C and 2B integration operation." Deputy Institute of Wireless and Terminal Technology Institute, China Mobile Research Institute Chang Li Nan said that SA is the first new generation network in China from leading design to first deployment. We have many demands and high expectations for 5G SA, and the time is very urgent.


The freezing of the R16 standard not only enhances the functions of 5G, but also allows 5G to enter all walks of life and promote a new digital ecological industry. It also takes into account more factors such as cost, efficiency, efficiency, etc. In order to further promote the digital transformation of the social economy, there is no doubt that in the context of the new 5G infrastructure,  it is feasible for commercialization of 5G SA in 2020. This year will also be the first year of commercialization of independent networking.