6G
Keysight and partners make UK’s first 100 Gbps “6G” Sub-THz connection
Highlights:
- Data link made at speeds greater than 100 Gbps at a frequency of 300 GHz using both 32 and 64 quadrature amplitude modulation
- Achievement enabled by Keysight’s 6G sub-THz testbed platform
Keysight Technologies, Inc, in collaboration with National Physical Laboratory (NPL) and the University of Surrey, has made the first 6G connection at speeds greater than 100 gigabits per second (Gbps) over sub-terahertz (THz) frequencies in the U.K.
Future 6G use cases, such as augmented reality and autonomous vehicles, will require data throughput speeds from 100 Gbps to 1 terabit per second (Tbps). To achieve the extreme data speeds and low latencies required by these revolutionary use cases, the use of sub-THz frequencies is being explored. However, operations in sub-THz frequency bands introduce signal integrity and path loss challenges that can negatively impact performance.
Keysight, NPL, and the University of Surrey established the first sub-THz high throughput 6G testbed in the U.K. to address these challenges. Funded by the U.K. government for 6G research, NPL and Surrey scientists are using the testbed to study and characterize sub-THz signal performance to generate new techniques for optimizing data paths and calibration methodologies.
Located at NPL, this new 6G testbed achieved the U.K.’s first high-speed sub-THz data link. The demonstration was made at a frequency of 300 GHz using both 32 and 64 quadrature amplitude modulation (QAM). Built on Keysight’s 6G Sub-Terahertz R&D Testbed, the testbed uses the M8194A Arbitrary Waveform Generator (AWG) combined with Virginia Diodes Inc. (VDI) upconverters / downconverters to generate the signal and Keysight’s UXR0704A Infiniium multichannel high-performance 70 GHz oscilloscope to analyze the signal.
Keysight, NPL, and the University of Surrey will demonstrate the new 6G testbed at the Spring 2023 6G Symposium at the University of Surrey, April 24-26.
Irshaad Fatadin, Principal Scientist, National Physical Laboratory, said: “6G is a key focus for NPL and we are using our scientific and measurement capabilities to tackle the challenges of this new technology. Our partnership with Keysight will be a critical success factor in our 6G research work.”
Mosaab Abughalib, Senior Research Director and General Manager for Keysight’s Network Emulation Group, said: “Through this partnership we are bringing Keysight solutions and experts together with scientists from NPL and the University of Surrey to unlock the true potential of 6G.”
Resources:
- White paper: 6G: Going beyond 100Gbps to 1 Tbps
- Keysight 6G Sub-Terahertz R&D Testbed
- M8194A Arbitrary Waveform Generator (AWG)
- UXR0704A Infiniium UXR-Series Oscilloscope
About Keysight in 6G:
Keysight creates the runway that enables researchers to launch evolutionary and revolutionary technology platform solutions based on 5G-Advanced and 6G technologies. A cohesive set of design and development building blocks across multiple interconnected technology domains enables innovators to spark new insights. Keysight plays a pivotal role in bringing to life 6G use cases that have the potential to transform society, enhance human interactions, enable enterprises to achieve greater efficiencies, and accelerate life-changing innovations.
About Keysight Technologies:
At Keysight (NYSE: KEYS), we inspire and empower innovators to bring world-changing technologies to life. As an S&P 500 company, we’re delivering market-leading design, emulation, and test solutions to help engineers develop and deploy faster, with less risk, throughout the entire product lifecycle. We’re a global innovation partner enabling customers in communications, industrial automation, aerospace and defense, automotive, semiconductor, and general electronics markets to accelerate innovation to connect and secure the world.
Learn more at Keysight Newsroom and www.keysight.com.
References:
Enable-6G: Yet another 6G R&D effort spearheaded by Telefónica de España
China to introduce early 6G applications by 2025- way in advance of 3GPP specs & ITU-R standards
India unveils Bharat 6G vision document, launches 6G research and development testbed
NTT DOCOMO & SK Telecom Release White Papers on Energy Efficient 5G Mobile Networks and 6G Requirements
Juniper Research: 5G to Account for 80% of Operator Revenue by 2027; 6G Requires Innovative Technologies
China’s MIIT to prioritize 6G project, accelerate 5G and gigabit optical network deployments in 2023
China Mobile unveils 6G architecture with a digital twin network (DTN) concept
Summary of ITU-R Workshop on “IMT for 2030 and beyond” (aka “6G”)
NTT DOCOMO & SK Telecom Release White Papers on Energy Efficient 5G Mobile Networks and 6G Requirements
- Possibilities to achieve greater energy savings based on energy consumption levels measured in the two companies’ respective base stations
- Technical analysis of candidate energy-saving technologies, including both hardware and software
- The roles that operators and equipment vendors should play, including the need for greater coordination, in the effort to achieve greater energy savings
For 6G, the paper reviews requirements and challenges including specific performance levels and implementation scenarios, focusing on technical issues of particular importance to mobile operators:
- Performance requirements and implementation scenarios for each frequency band, taking into account the characteristics of each frequency
- Issues concerning coverage and devices in high-frequency bands
- Standardization for migration to 6G architecture and application of cloud-native / open architecture
Going forward, NTT DOCOMO and SKT will continue to collaborate in various technical fields, aiming to enhance the competitiveness and operational efficiency of 5G as well as support the global standardization and technical verification of 6G. They will also collaborate with global telecom operators on 6G standardization and R&D with the goal of building a global ecosystem that encompasses advanced industries and technologies.
“The white papers carry a significant meaning as they mark the first tangible result since entering into a strategic partnership with NTT DOCOMO last year,” said Yu Takki, Vice President and Head of Infra Tech Office of SKT. “Based on our experience and knowhow in 5G, we will continue to collaborate with world-leading operators such as NTT DOCOMO to lead 5G evolution towards 6G.”
Takehiro Nakamura, Chief Technology Architect, NTT DOCOMO, said: “We are delighted to jointly announce two white papers on green mobile networks and 6G requirements as our collaborative achievements with SKT started in November 2022. We will continue to enhance cooperation among the two major Asian mobile operators and promote superior concepts and innovative technologies to the world for the 6G deployment.”
Development of “IMT Vision for 2030 and beyond” from ITU-R WP 5D
Introduction:
No organization, standards or spec writing body have detailed anything real related to “6G.” All the 6G claims from telecom equipment vendors and network operators are pure propaganda/hype. There is no consensus of what 6G will be, nor is there any effort to standardize “5G Advanced.” Hence, there is no basis whatsoever to talk about standardized 5G Advanced or 6G anytime soon.
Yes, we know 3GPP is working on Release 18 which will have many new features and functions, but their Release 16 (frozen one year ago) is not complete– at least not for the URLLC 5G NR specification and performance testing. Don’t talk about “5G Advanced” or “6G” if the key use case (URLLC) for 5G is not complete. Nor is the implementation specified for “5G core” or 5G advanced functions, e.g. network slicing, as we’ve stated many, many times.
This article examines what’s real: the important ongoing work by ITU-R (the official standards body for cellular communications and frequencies) on the vision, goals and objectives for what may become 6G. Or maybe not?
ITU-R WP 5D Efforts on IMT Vision for 2030 (which will include “6G”):
ITU-R Working Party 5D (WP 5D) has started to develop a new draft Recommendation “IMT Vision for 2030 and beyond” at their March 2021 meeting. This Recommendation might be helpful to drive the industries and administrations to encourage further development of IMT for 2030 and beyond.
This Recommendation will define the framework and overall objectives of the future development of IMT for 2030 and beyond, including the role that IMT could play to better serve the needs of the future society, for both developed and developing countries.
For the development of this draft new Recommendation, WP 5D would like to invite the views of External Organizations on the IMT Vision for 2030 and beyond, including but not limited to, user and application trends, evolution of IMT, usage scenario, capabilities and framework and objectives.
WP 5D will also develop a new draft Report ITU-R M.[IMT.FUTURE TECHNOLOGY TRENDS] which focuses on the following aspects:
“This Report provides a broad view of future technical aspects of terrestrial IMT systems considering the time frame up to 2030 and beyond. It includes information on technical and operational characteristics of terrestrial IMT systems, including the evolution of IMT through advances in technology and spectrally-efficient techniques, and their deployment.”
For the development of these reports, WP 5D invites the views of External Organizations on future technology trends for terrestrial IMT systems, including but not limited to the motivation on driving factors such as new use cases, applications, capabilities, technology trends and enablers. These technical inputs are intended for the timeframe towards 2030 and beyond and are proposed to be significantly advanced and different from that of IMT-2020.
Related documents: ITU Recommendations, Reports, Documents and Handbook:
Recommendation ITU-R M.1645 – Framework and overall objectives of the future development of IMT‑2000 and systems beyond IMT‑2000
Recommendation ITU-R M.2083 – IMT Vision – “Framework and overall objectives of the future development of IMT for 2020 and beyond”
Recommendation ITU-R M.1457 – Detailed specifications of the terrestrial radio interfaces of International Mobile Telecommunications-2000 (IMT-2000)
Recommendation ITU-R M.2012 – Detailed specifications of the terrestrial radio interfaces of International Mobile Telecommunications Advanced (IMT-Advanced)
Recommendation ITU-R M.2150 – Detailed specifications of the terrestrial radio interfaces of International Mobile Telecommunications-2020 (IMT-2020)
Report ITU-R M.2243 – Assessment of the global mobile broadband deployments and forecasts for International Mobile Telecommunications
Report ITU-R M.2320 – Future technology trends of terrestrial IMT systems
Report ITU-R M.2370 – IMT Traffic estimates for the years 2020 to 2030
Report ITU-R M.2376 – Technical feasibility of IMT in bands above 6 GHz
Report ITU-R M.2134 – Requirements related to technical performance for IMT‑Advanced radio interface(s)
Report ITU-R M.2410 – Minimum requirements related to technical performance for IMT-2020 radio interface(s)
Report ITU-R M.2441 – Emerging usage of the terrestrial component of International Mobile Telecommunication (IMT)
Report ITU-R M.[IMT.FUTURE TECHNOLOGY TRENDS TOWARDS 2030 AND BEYOND] – Future technology trends of terrestrial IMT systems towards 2030 and beyond
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Key objectives of the Vision towards IMT for 2030 and beyond:
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Focus on continued need for increased coverage, increased capacity and extremally high user data rates;
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Focus on continued need for lower latency and both high and low speed of movement of the mobile terminals;
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Fully support the development of a Ubiquitous Intelligent Mobile Society;
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Focus on tackling societal challenges identified in UN Sustainable Development Goals (SDGs), in particular to meet the needs of Industry, Innovation and Infrastructure;
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Consider what the future heterogenous mobile broadband networks can offer to the society and the economy through the applications and services they support;
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Target the changing global scenario on how we work and how we stay safe during the societal challenges such COVID-19 pandemic and global climate changes;
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Focus on delivering on digital inclusion and connecting the rural and remote communities.
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The 4 key pillars for the vision:
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Any future technology should help in the development of a Ubiquitous Intelligent Mobile Connected Society (whatever that means is TBD).
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Any future technology should support technologies that can help bridge the digital divide.
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Any future technology should support technologies that can Personalize / localize services.
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Any future technology should support the connectivity / compute technologies that can address issues of real-world data ownership sensitivities.
Brief text for each of the pillars is as below:
1. Development of a Ubiquitous Intelligent Mobile Connected Society:
It is anticipated that Public / Private / Enterprise networks, specialized networks (application / vertical specific), IOT / sensor networks will increase in numbers in the coming years and could be based on multiple radio access technologies. Interoperability is one of the most significant challenges to enable a ubiquitous intelligent, connected / compute environment, where different networks, processes, applications, use cases and organizations are connected. This includes supporting very high bandwidth requirements applications such as holographic communications, digital twins etc to supporting extremely low bandwidth requirement use cases such as sensors.
2. Support technologies that can bridge the digital divide: It is a very important considerations for any future technology development.
Future networks / technologies should support affordability as a key parameter and to that end support technologies such as:
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Highly composable networks /architectures to address issues of cost and affordability.
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Dynamic Spectrum Sharing technologies which can lower the cost of initial spectrum purchase.
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Heterogeneous device types to bring the cost of affordability down without compromising high end usage scenarios.
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Energy efficiency to enable affordability and sustainability.
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3. Support technologies that can Personalize /localize services.
As home network capabilities, edge device / network capabilities are enhanced, there is an opportunity to personalize services like never before. It’s important that personalization (focused on individuals, homes, apartments small / medium enterprises) services is a key focus area.
4. Support technologies that can mimic real world data ownerships and hierarchies.
Personal data protection is becoming important and as nations are focused on data protection and management it is important that any future network / technology takes into account the intrinsic data hierarchies and management aspects. Data ownership granularity spans from personal data, enterprise or group data, organizational data, data considered as national assets (data that is not allowed to leave the geographic boundaries)
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External Organizations will be invited to contribute to this work item via contributions to future ITU-R WP 5D meetings in 2021 and 2022.
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Source: ITU-R WP 5D
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Addendum from Leo Lehmann, Chairman ITU-T SG13:
ITU-T had run Focus Group Network-2030, which was concluded in July 2020. This Focus Group studied the capabilities of networks for the year 2030 and beyond. Those networks are expected to support novel forward-looking scenarios, such as holographic type communications, extremely fast response in critical situations and high-precision communication demands of emerging market verticals.
It has produced a remarkable “White Paper: “Network 2030 – A Blueprint of Technology, Applications and Market Drivers Towards the Year 2030 and Beyond” (May 2019).”
Even though studies are focusing only on “non-radio-related” aspects, the given use cases might be very important for the further discussion how they might be supported by corresponding spectrum requirements (whatever “G”).
References:
https://www.itu.int/en/ITU-T/focusgroups/net2030/Pages/default.aspx
https://www.itu.int/en/ITU-T/focusgroups/net2030/Documents/White_Paper.pdf
ITU-R WP 5D new reports on IMT for PPDR applications, Terrestrial IMT for Cellular-Vehicle-to-Everything, 6G Vision & more
At its March 2021 virtual meeting, ITU-R WP5D completed a revision of the report ITU-R M.2291-1 – The use of International Mobile Telecommunications (IMT) for broadband Public Protection and Disaster Relief (PPDR) applications includes the IMT-2020 and 5G aspects in this public safety focused report to update the current report which was only based on IMT-Advanced 3GPP LTE technology. This revision was completed by ITU-R WP 5D and forwarded to Study Group 5 for action when they next meet in November 2021.
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ITU-R M.[IMT.C-V2X] – The use of the terrestrial component of IMT systems for Cellular-Vehicle-to-Everything
WP 5D is also developing a draft new report ITU-R M.[IMT.C-V2X] – The use of the terrestrial component of IMT systems for Cellular-Vehicle-to-Everything is intended to addresses the mutual relationship between IMT technologies and Cellular-Vehicle-to-Everything (C-V2X) as a specific application and elements of functions in IMT technologies that are used to realize C-V2X application.
Further, the report provides details on Overview on Usage of IMT technology, use cases, relationship between IMT and C-V2X, characteristics and capabilities supported by IMT, and case studies associated with C-V2X for the various scenarios including eMBB, mMTC, and URLLC of terrestrial component of IMT.
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Development of draft new report ITU-R M.[IMT.FUTURE TECHNOLOGY TRENDS TOWARDS 2030 AND BEYOND]
The draft new Report ITU-R M.[IMT.FUTURE TECHNOLOGY TRENDS TOWARDS 2030 AND BEYOND] is intended as a precursor to a “beyond IMT-2020” vision document for 6G that ITU-R WP 5D intends to produce in 2022. This trends report will assess where the technology is, and the current uses are for IMT-2020/5G and seek to identify the gaps and technical enablers anticipated to be necessary in the 2030 timeframe.
Furthermore, the expectation is that this Report will energize the academic and technology community to engage in the research and developments necessary to underpin a “beyond IMT-2020 and 6G view) as just focusing on new uses cases is insufficient to build such a future and the technology evolution requires a long lead time to fruition.
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Development of draft new report ITU-R M.[IMT TERRESTRIAL BROADBAND REMOTE COVERAGE]
The draft new Report ITU-R M.[IMT TERRESTRIAL BROADBAND REMOTE COVERAGE] – Terrestrial IMT for remote sparsely populated areas providing high data rate coverage is intended to provide details on scenarios associated with the provisioning of enhanced mobile broadband services to remote sparsely populated and underserved areas with a discussion on enhancements of user and network equipment.
It will distinguish between extending coverage on already deployed network and defining a use/case for deployment environment and is meant to meant to evaluate technical solutions required to extend the coverage of IMT system rather than discussing deployment layout for rural environments. The completion dates have been extended to the 39th WP 5D meeting (October 2021).
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Development of a draft new report ITU-R M.[IMT 2020.TDD.SYNCHRONIZATION]
The draft new report ITU-R [IMT2020.TDD.SYNCHRONIZATION] is intended to address the study of the aspects of synchronization operations of multiple IMT-2020 TDD networks in close proximity using the same frequency band, including analyses of coexistence issues when IMT operators utilize different synchronization modes, performance evaluation under different synchronization modes, and coexistence mitigation strategies.
The Report considers the further impacts of the introduction of technical advancement such as active antenna systems, etc. The completion dates were extended to the 41st WP 5D meeting (June 2022).
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Source: Chairman’s Report 37th e-meeting of Working Party 5D (1-12 March 2021 – Virtual), April 13, 2021
U.S. Government on 5G Integrated and Open Networks + ATIS on U.S. 6G Leadership
In a speech he was scheduled to deliver (but didn’t) Thursday at a Global CTO Roundtable on 5G Integrated and Open Networks (ION), U.S. Attorney General William Barr wrote (bold font added):
The United States and our partners are in an urgent race against the People’s Republic of China (PRC) to develop and build 5G infrastructure around the world. Our national security and the flourishing of our liberal democratic values here and around the world depend on our winning it.
Future 5G networks will be a critical piece of global infrastructure, the central nervous system of the global economy. Unfortunately, the PRC is well on its way to seizing a decisive 5G advantage. If the PRC wins the 5G race, the geopolitical, economic, and national security consequences will be staggering. The PRC knows this, which explains why it is using every lever of power to expand its 5G market share around the globe. The community of free and democratic nations must do the same.
To compete and win against the PRC juggernaut, the United States and its partners must work closely with trusted vendors to pursue practical and realistic strategies that can turn the tide now. Although the ‘Open RAN’ approach is not a solution to our immediate problem, the concept of Integrated and Open Networks (ION), which was the topic of yesterday’s roundtable, holds promise and should be explored. We can win the race, but we must act now.
From Mung Chiang of the U.S. Office of Science and Technology Advisor:
With a broad, inclusive tent of what “open” means, a nuanced appreciation of network deployment reality, and a more solid view on architectural choices, ION becomes one of the areas where the United States and partner countries can lead in 5G innovation. We invite technology leaders in the industry to help make that happen. Speed is the key to winning the 5G race.
While technology should not be mistaken as a solution to the fundamental problem of a distorted market, its exploration is still useful. ION and Edge Computing, for example, are two areas of innovation to realize 5G’s promise of a new level of responsiveness and scale. Such innovation leadership, along with the Clean Networks initiative and supply chain security form three prongs in a global strategy for 5G.
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Separately, the Alliance for Telecommunications Industry Solutions (ATIS) has issued a call to action to promote U.S. 6G leadership.
“While innovation can be triggered in reaction to current market needs, technology leadership at a national level requires an early commitment and development that addresses U.S. needs as well as a common vision and set of objectives,” said Susan Miller, President and CEO of ATIS, possibly in acknowledgement of the panic the U.S. has got itself into over 5G and of recent developments in China.
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Comment, analysis and assessment:
Mobile standards are global in nature, so talk of regional races seems disingenuous if not counter-productive. It is bad enough that there are six competing IMT 2020 RITs (Radio Interface Technologies) from five different countries/regions being progressed by ITU-R WP5D for IMT 2020.specs with three based on 3GPP 5G NR (Release 15 and 16): China, Korea, India (TSDSI). In addition to 3GPPs RIT/SRIT submissions (from ATIS), there are also the DECT/ETSI IMT 2020 RIT submission based on DECT NR and the Nufront (Chinese company) submission based on their own 5G radio which supposedly supports ultra low latency.
What Attorney General Barr probably means is that he’s worried U.S. 5G networks are going to be second rate compared to the Chinese equivalent from Huawei and ZTE. However, he said that Open RAN is NOT a solution to the U.S.’ current “5G problem.” Barr and Ms Chiang say that ION is a more viable approach (what the *&^%$** is ION?). In particular, “ION becomes one of the areas where the United States and partner countries can lead in 5G innovation.”
Telecoms.com author Scott Bicheno wrote: “Any non-Chinese telecoms company with a few bright ideas would be well advised to stick close to the U.S. government as the public money tap seems to be well and truly open.”
References:
https://www.state.gov/remarks-at-global-chief-technology-officers-roundtable-on-5g-ion/
With no 5G standard (IMT 2020) China is working on 6G!
Consumers can’t buy 5G phones yet. But China is already talking about what comes next: 6G. The concept of 6G is still very much unkown, but experts expect speeds in the range of 1 Tbps. Researchers have already achieved mobile speeds of 1 Tbps during lab trials.
The head of China’s Ministry of Industry and Information Technology’s (MIIT) 5G technology working group, Su Xin, told local media he also expects 6G to deliver improvements across the same three areas as 5G will deliver – improved bandwidth, low latency and wide connection areas.
Su Xin, head of 5G technology working group at China’s Ministry of Industry and Information Technology, said that China is starting research into 6G concepts this year. The country first started looking into 6G in March, making it one of the first countries to do so.
Su said that the actual development of 6G will officially begin in 2020, but commercial use will most likely have to wait until 2030.
The arrival of 5G has been touted as a big deal. It’s not just because it promises to bring fast mobile internet, it should also enable us to connect with machines – like gadgets, industrial machines and autonomous vehicles. For those Rip Van Winkle readers, “5G” is the name of the next-generation wireless technology that promises far faster internet access than 4G-LTE. Experts predict it will begin to take off in 2019, well in advance of the IMT 2020 standard from ITU-R. So what is 6G supposed to bring that 5G can’t, especially for ordinary folks?
For one thing, it could make mobile internet speeds of 1 TB per second mainstream. This means you could download around 100 films in less than a second. (It’s worth noting that researchers at the University of Surrey in England have already achieved that with 5G… but only inside a lab.)
Of course, 2030 is a long way away, so the actual applications of this technology may be hard to imagine. As Verizon executive Andrea Caldini pointed out at this year’s Mobile World Congress, nobody expected Snapchat while developing 4G – it’s the increased speeds that made it happen.
According to Su, 6G could connect our devices more efficiently than 5G, expanding internet coverage to much wider areas.
“5G has three application scenarios: large bandwidth, low latency, and wide connection – I think 6G can achieve better application in all three scenarios,” Su told local media, noting that 6G could increase transmission rates by more than 10 times. “It may revolutionize the structure of the whole wired and wireless network.”
If this sounds vague to you, it’s because there is still no definition for the technology. And according to industry insiders, it is too early to talk about 6G. It took 5G ten years to develop its set of standards, and despite commercial deployment this year, they are still not fully settled. So is 6G even a thing?
Roberto Saracco, professor at the University of Trento in Italy, believes that 5G is still a fuzzy set of promises that will take time, probably ten years, before being fulfilled. As for the next generation of connectivity, “marketing will need 6G as soon as 5G is deployed,” writes Saracco. Researchers will need a term to mark the novelty of what they are doing or to put technologies that do not fit into 5G standards into another box.
The vagueness of the term has not stopped countries to start looking into the concept. Finland’s University of Oulu launched an 6G research program called 6Genesis. Aside from futuristic phrases like “interoperability sensing based ops” and “intelligent personal edge,” one of the applications mentioned on their site is wireless augmented reality/virtual reality.
It’s worth noting that this might be an application for 5G, judging by Tencent boss Pony Ma’s suggestion that the technology could enable WeChat VR.
The new 6G movement in China could also be a way to rub their tech advancement in other people’s faces. The country is already way ahead of US in deploying 5G, according to Deloitte. Since 2015, China outspent the US by approximately $24 billion in wireless communications infrastructure (with $400 billion more coming) and built 350,000 new cell phone tower sites – while the US is still stuck at less than 30,000.