Every editor: Du Yu
According to Huawei’s official WeChat account on the evening of October 27, during the 8th Global Ultra-Broadband Forum (UBBF 2022), Jin Yuzhi, President of Huawei’s Optical Product Line, delivered a keynote speech entitled “Unlocking the Potential of Optical Fiber and Moving towards F5.5G” , expounded the key role of optical fiber communication technology in social development, and highlighted eight key technological breakthroughs in optical access and optical transmission by Huawei in the evolution towards F5.5G and its value to the industry , and called on the entire industry Accelerate towards F5.5G together.
Commissioner Jin Yuzhi said that the optical fiber network has become a strategic infrastructure for the future. In the process of the industry moving from F5G to F5.5G, through technological innovation in the fields of industry and optical fiber perception, the potential of optical fiber will be further released and new markets will be opened up. Currently facing F5.5G, Huawei has achieved eight major technological innovations to help accelerate the evolution of the industry.
Jin Yuzhi, President of Huawei Optical Product Line Image source: Huawei official WeChat account
1. 50G PON compatible innovation
50G PON is the next-generation PON technology defined by ITU-T. Through device structure and process innovation, Huawei has improved the transmit power and receiver sensitivity of 50G PON optical modules to achieve a coverage of 40 kilometers. Mold one. This will help operators to smoothly upgrade from GPON and 10G PON to 50G PON without transforming the existing network, and quickly provide a ubiquitous 10G experience.
2. Super C+L spectrum spread
Based on experimental innovation, Huawei has created a new solution for spectrum amplification and transmission bandwidth improvement. In the manufacturing process, through precise control of gas flux and heating temperature, high-concentration doping is achieved, which improves the amplification gain of the L-band, Super C+L can reach a transmission spectrum of 12THz, the bandwidth is expanded by 50%, and the transmission performance is further improved. . And combined with 400G and 800G single-wave rates, it can achieve a capacity of 100 terabytes per fiber and support the arrival of the 10G era.
3. OXC continues to innovate
Huawei OXC uses a 3D lattice algorithm to increase the wiring density of the all-optical backplane by 35%. While reducing the external fiber connection of ROADM, the overall volume is reduced by 90% and the power consumption is reduced by more than 60%. In addition, OXC’s liquid crystal on silicon (LCoS) adopts self-developed new materials, which reduces the liquid crystal response time of the wavelength selective optical switch (WSS) from 200 milliseconds to 100 milliseconds, realizes faster scheduling and protection of wavelengths, and creates a green and agile all-optical network. .
4. Metro pooled WDM
In response to the problems of uneven distribution of metro network services, low resource utilization, and difficult planning, Huawei has innovatively launched a metro pooled WDM solution . In the star network architecture of the domain access layer, arbitrary wavelength sharing, flexible scheduling and adjustment between different access ring networks can be achieved, which can achieve 10 times the bandwidth improvement, 10 times reduction in carbon emissions, and help operators reduce operating costs by 20%. Build a target network architecture from WDM networks to sites to support network evolution in the next ten years.
5. OSU flexible business particles
Huawei’s innovative hard-pipe core technology, OSU, uses 2Mbps to 100Gbps hard-pipe connections. The bandwidth can be adjusted flexibly without interrupting services . The simplification of encapsulation protocols reduces service transmission delay and helps operators create large bandwidth and ultra-low latency. , High-quality OTN WDM network with deterministic experience, and help to develop more high-end industry customers.
6. FTTR C-WAN Architecture
The popularization of home smart devices has put forward higher requirements on the coverage, stability, and number of concurrent connections of home Wi-Fi connections. In traditional Wi-Fi networking, each optical terminal ONT device makes independent decisions, and there are many problems such as mutual interference and service instability in high concurrency scenarios. Huawei’s FTTR (fiber to the room) all-optical home solution uses the C-WAN centralized management and control architecture to synergize the ONT devices in the entire FTTR network to reduce interference and improve bandwidth experience. The ultimate roaming time of less than 20 milliseconds brings a new digital home experience.
7. Optical iris technology
ODN investment in FTTH (fiber-to-the-home) network accounts for a large proportion, but it is difficult to manage and maintain. For a long time, manual input of port resources has been used, resulting in wasted port resources and untimely user service provisioning. Huawei has innovatively launched the optical iris technology to mark massive optical fiber ports, realize real-time, 100% accurate utilization of port resources, and quickly activate user services. And through the oDSP and AI algorithm, the location of the fault can be accurately and quickly identified, and the measurement accuracy has reached the sub-meter level.
8. Autonomous driving network
In the future, the network scale will increase tenfold, and network intelligence and automation will become inevitable. Huawei has a number of technological innovations in the field of network autonomous driving. For example, Starway Route Calculation can transform from single-factor, manual route selection in the transport network to multi-factor, multi-strategy intelligent route selection, and can be personalized based on different customer habits. It is recommended to increase the success rate of route calculation to 99%, and increase the efficiency of service delivery by 70%; constellation inference trains a large number of poor-quality incidents of home broadband, and establishes an intelligent experience model, which can quickly perceive poor-quality incidents in 1 minute, helping operators reduce the number of users complaint.
Jin Yuzhi said that in the face of ubiquitous 10G connections after 2025, on the basis of eight innovations, Huawei will continue to make technological breakthroughs and product innovations on the development path of F5.5G to help operators’ networks continue to evolve. , improve user experience and network operation efficiency, and create greater business value. At the same time, Jin Yuzhi called on the entire industry to work together to promote the progress of the F5.5G industry and accelerate the move towards F5.5G.
5.5G has made 3 key progress, pushing 5.5G into a new stage
According to Huawei’s official WeChat account on the evening of October 26, during the 2022 Global MBB Forum, Wang Tao, Huawei’s executive director and director of the ICT Infrastructure Business Management Committee, delivered a speech entitled “Towards 5.5G, Building Together The foundation of the future” keynote speech.
Huawei Wang Tao delivered a keynote speech at MBBF2022 Image source: Huawei official WeChat account
Wang Tao said that 5.5G has made three key progresses, pushing 5.5G into a new stage. The standard rhythm is clear, and 5.5G has moved from vision to consensus. 5.5G has started the process of standardization, and will define 5.5G technical specifications through three versions of 3GPP R18, R19, and R20, and continue to enrich the technical connotation of 5.5G.
Image source: Huawei official WeChat account
With the establishment of the first batch of R18 projects, 5.5G technology research and standardization have entered a substantial stage, establishing the direction that R18 will continue to enhance eMBB. In the future R19 and R20 versions, it will continue to be enhanced for new services and new scenarios.
Image source: Huawei official WeChat account
Wang Tao said that key technological breakthroughs, ultra-large bandwidth and ultra-large antenna arrays have verified the 10-gigabit capability. In the 5G era, large bandwidth and multiple antennas are the key to realizing cross-generational experience, realizing the capability of Gbps. Further breakthroughs in 5.5G technology, ultra-large bandwidth and ultra-large-scale antenna array technology, that is, ELAA technology, have become the key to the tenfold upgrade of 5.5G capabilities.
Huawei and multiple operators have verified the capabilities of ultra-large bandwidth and ELAA. In the millimeter-wave band, the 800MHz bandwidth combined with over 2,000 antennas enables a 10Gbps experience; in the 6GHz band, the 400MHz bandwidth combined with more than 1,000 antennas also achieves 10 Gigabit capability, and the coverage distance is comparable to that of C-Band.
Image source: Huawei official WeChat account
The IoT panorama is clear, and 5.5G has the ability to incorporate all IoT. NB-IoT has become the mainstream technology of LPWA. Last year, the number of newly added connections accounted for 47% of the LPWA market, and the growth rate exceeded 60%. In the future, NB-IoT will continue to grow rapidly, incorporating tens of billions of LPWA IoT connections.
RedCap has completed the key technology test of base stations and chips at IMT2020, and is ready for commercial use, accelerating the pace of commercial use. In the test, compared with LTE Cat4, RedCap achieved 2 times faster speed and saved 20% energy consumption. At the same time, RedCap will also take advantage of new capabilities such as positioning and low latency to accommodate the billions of connection requirements for medium and high-speed IoT.
Passive IoT combines cellular network and passive tag technology to fill the gap of wide-area passive IoT. In the joint test and verification of Huawei and industry partners, the connection distance of Passive IoT passive terminal tags exceeds 200m, ten times that of RFID technology. Passive IoT will stimulate the imagination of unlimited commercial applications and support the new demands of hundreds of billions of passive IoT.
5.5G is expected to increase the number of XR users in a single cell by 5 times
Xu Zhijun, Vice Chairman and Rotating Chairman of Huawei
According to the news from Huawei Xinsheng Community on September 27, Xu Zhijun, vice chairman and rotating chairman of Huawei, said at the opening ceremony of STW 2022 that in the field of communications, 5.5G is expected to increase the number of XR users in a single cell by 5 times , and increase the uplink bandwidth. , a small step forward, but there are still many major breakthroughs and innovations required for the immersive experience of holographic communication and the requirements of ubiquitous, ubiquitous, and ubiquitous unpleasantness. What kind of core technology progress will 6G bring, the industry is still exploring.
In the energy field , to achieve “carbon peaking/carbon neutrality”, there are still major challenges such as poor stability of new energy power generation, low conversion efficiency, high energy storage cost, insufficient security, and difficulty in real-time scheduling of grid connection.
In the field of computing , the global computing power demand will face an increase of 2-3 orders of magnitude in the next 10 years. How to surpass Moore’s Law, how to break through the bottleneck of the von Neumann architecture, and how to achieve cross-regional computing power supply are the key challenges that need to be solved.
In the field of artificial intelligence , although AI has been applied in image and speech recognition and has formed a certain scale, in many other aspects, training still relies on a large amount of computing power and data, small samples, interpretability, security and robustness, etc. Key problems are still difficult to solve effectively, which restricts the wider application of artificial intelligence.
Xu Zhijun said that at Huawei, we have more than 750 scientists in various fields, more than 5,500 chief experts in various systems, and 105,000 personnel engaged in research and development. But we don’t want Huawei’s scientific research to be limited internally. We want to create an open, diversified, and multi-level scientific research structure that is owned by me, used by me, and known to me. With the support of doctors, more than 1,000 young and middle-aged professors, associate professors, and scholars are funded each year, and more than 3,000 interns are provided with internship opportunities and environments each year. More than 100 million US dollars and tens of thousands of college teachers and students have carried out extensive research and exploration, technical cooperation, talent training and competition activities.
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