In the past two years, the rise of satellite communication has been astonishing, and it has almost become a phenomenon-level outlet.
Driven by technologies such as low-orbit constellations and high-throughput satellites, the service capabilities of satellite communications have been greatly improved. Not only has the coverage area become wider and wider, but the network connection rate and delay have also improved significantly.
After entering 2023, the topic of satellite communication continues to heat up. The focus of people's attention has gradually shifted from technological innovation to application implementation. Everyone is concerned that satellite communication technology looks very good, but can it really meet the needs of actual application scenarios? Can it really achieve a closed business loop?
From May 1st to May 4th, the 17th Xuanzang Road Gobi Challenge (referred to as "Ge 17") officially kicked off in Guazhou County, Gansu Province.
As the event partner of Shanghai Advanced Institute of Finance, Shanghai Jiao Tong University, Ge 17 (referred to as "Gao Jinge 17"), Shikong Daoyu provides precise location services and emergency communication services through self-developed satellite application terminal products, allowing Gao Jinge 17 members to In the absence of a mobile network signal, communication and real-time location synchronization can still be achieved to ensure the safety of the event.
Space-Time Daoyu uses aerospace technology to empower outdoor events, and uses full-stack self-developed products to successfully guarantee outdoor events, becoming the first commercial aerospace company in China to achieve commercial closed-loop and application landing.
Next, let's take a closer look at how they did it.
█Satellite application landed, empowering outdoor events
● Beisan series product terminals
In the Ge 17 competition, the Gaojin Ge 17 team members were equipped with Beisan series product terminals developed by Shikong Daoyu, including Beisan RDSS handheld terminals and Beisan RDSS Bluetooth boxes.
Beisan RDSS handheld terminal is a smart rugged mobile phone based on the Android operating system, which has all the normal functions of a smart phone, and supports GNSS high-precision positioning and Beidou short-message satellite communication functions.
The Beisan RDSS Bluetooth box can be used stand-alone or connected to a mobile APP. It integrates Beidou-3 short message communication, GNSS positioning and one-key emergency alarm functions.
With the help of these two terminal products, team members can maintain smooth communication with teammates, family members and support teams through the Beidou satellite communication link.
When an unexpected situation occurs, it can quickly send a distress message with the precise location and unexpected situation, and the security team can provide timely and comprehensive rescue services based on this to ensure the personal safety of the participants.
Shikong Daoyu is the first company in China to pass the network access inspection of BDS-3 products. It has mature R&D capabilities of BDS-3 series products and has been committed to promoting the marketization, industrialization and internationalization of BDS-scale applications.
As early as 2018, the core team of Spacetime Daoyu participated in the system demonstration and payload development of the global message satellite-ground communication of the Beidou-3 system, and conquered many key technologies such as fast signal synchronization and adaptive anti-jamming. This makes the load access capability of the global message communication of the BDS-3 system stronger, supports more channels to receive uplink data from ground users, and has the characteristics of high receiving sensitivity, short signal synchronization time, and effective resistance to various types of interference.
● Vehicle terminal
In the Ge 17 competition, the Gaojin Ge 17 guarantee vehicle was equipped with the vehicle-level high-precision fusion positioning terminal HPB200 and the satellite communication vehicle networking terminal GBV100 self-developed by Space-Time Daoyu.
HPB200 meets the design and manufacturing requirements of vehicle-level standards, adopts a multi-system and multi-frequency satellite positioning solution, and can still provide real-time, high-frequency, high-precision, and high-reliability in complex traffic environments such as tunnels, underground parking garages, and elevated interchanges. Positioning, speed and other data information.
The positioning accuracy of this product can reach the centimeter level, and it is suitable for the fields of automatic driving of cars, unmanned mining trucks, and unmanned ports.
GBV100, when there is no ground network coverage or the ground network is damaged, can realize functions such as emergency alarm, vehicle status data collection and reporting, and meet the application scenarios of communication link backup and emergency communication in outdoor environments.
These two terminals have high integration, low power consumption, and small size. They have precise positioning and satellite communication functions respectively, and have strong practicability.
As a subsidiary of Geely Holding Group, Space-time Daoyu has huge advantages in the research and development and application of vehicle-mounted satellite terminals.
Geely has 3 million vehicles online and 12 billion kilometers of vehicle driving technical data. Relying on the accumulation of these data, they can better understand the needs of users, have more sufficient data support and technical verification conditions, and can provide better services.
At present, Space-time Daoyu has formed a full-link process management from R&D system, development process to code development, integration, testing, and mass production, which ensures the compliance, safety, integrity and reliability of high-precision positioning services It has laid the foundation for providing high-precision positioning services for autonomous driving.
They actively participate in the formulation of industry standards for high-precision positioning, and have been working hard to promote the application and popularization of high-precision positioning in the field of travel such as autonomous driving and vehicle-road coordination.
● Jichenbao
In the Ge 17 competition, the Gao Jinge 17 team members were equipped with Jichenbao, a satellite communication terminal equipment developed by Shikong Daoyu, through which the team members can realize the two-way short message communication of the Tiantong No. 1 satellite communication system, Beidou + GPS positioning, one-key SOS emergency call.
Jichenbao is very small in size, weighs only 145 grams, and supports IP67 waterproof. It can upload location information multiple times in a time period to meet the needs of different scenarios. Jichenbao has a supporting APP, which can check the trajectory of the movement. At the same time, the location of personnel can be tracked in the background to ensure safety.
After long pressing the SOS button to call for help, a text message (you can fill in the accident-related information, such as the type of accident, the number of injured people and the situation, etc.) will be sent to the mobile phone of the emergency contact.
In addition, Jichenbao can also obtain full-time weather forecast information, understand disaster weather in advance, and avoid severe climate risks.
● Event background system
Shikong Daoyu also customized and developed the game background system for Gaojinge 17, which is more convenient and quick to use.
Relevant staff can monitor the real-time location and trajectory of Gaojinge 17 team members and support vehicles at any time, and provide rescue services at any time to ensure the safety of personnel and assets.
█The ecological landscape is gradually formed, and the closed loop of commercial success
Space-Time Daoyu empowered outdoor events with satellite applications and achieved complete success. This is a benchmark case for commercial satellite applications.
As a private enterprise, the reason why Spacetime Daoyu can achieve such achievements is closely related to its long-term layout and huge resource investment in the satellite field.
Zhejiang Shikong Daoyu Technology Co., Ltd. was established in 2018. It is a young and dynamic technological innovation enterprise.
Over the years, they have been committed to becoming a provider of global aerospace information and communication infrastructure and application solutions, promoting the commercial upgrade of China's satellite industry chain, and the commercial application of China's aerospace technology.
● Based on independent research and development, build a core technical team
Satellite communication is an industry with a high technical threshold, which has extremely high requirements on the research and development capabilities of enterprises.
At the beginning of its establishment, Shikong Daoyu confirmed the development route based on independent research and development. The company's 18-member founding team includes 13 technical experts in addition to CEO and chief system engineering expert Wang Yang.
After the establishment of the company, it still continues to invest a lot of resources in the construction of research and development capabilities and technological innovation.
At present, the entire team has nearly 500 people, and R&D personnel account for nearly 80%, most of whom are from the Chinese Academy of Sciences and Aerospace Science and Technology Group.
In the company's team, more than ten satellite experts have participated in the design and development of Beidou-3 satellites, involving the entire satellite, payload and stand-alone aircraft. The team also includes five experts who have served as the chief engineer and deputy chief engineer of the aerospace national team, as well as many experts from the information industry and geographic surveying and mapping industry.
It is such a strong core team that enables Space-Time Daoyu to have complete end-to-end research and development capabilities for satellite platforms, payloads, ground terminals, and solutions.
Today, Shikong Daoyu already has a research institute, a satellite super factory, and two operating headquarters, and is one of the leading players in the commercial aerospace field.
Space-Time Daoyu’s satellite super factory located in Taizhou, Zhejiang is the first satellite mass production factory in China that deeply integrates aerospace manufacturing and automobile manufacturing capabilities. This factory fully draws on cutting-edge manufacturing models such as intelligence and automation in the automotive industry to provide the world's leading commercial satellite manufacturing and AIT services, which can realize large-scale satellite manufacturing, which is of great significance.
Layout a strong constellation to build end-to-end core capabilities
Space-Time Daoyu's entry into the satellite industry is to achieve a grand goal - to build a future travel constellation through the first deployment, and to promote and realize the application scenarios of aerospace technology in various industries.
The future travel constellation is the world's first low-orbit satellite constellation that serves the future travel ecology independently developed and designed by Space-time Daoyu. In the space segment, ground segment and application segment of the constellation, the layout of space-time daoyu has achieved initial results.
In the space segment, as we mentioned earlier, Space-Time Daoyu has the ability to manufacture satellites. Through self-developed multi-level general-purpose satellite platforms, as well as low-cost, highly reliable satellites and supply chain products, they can realize one-stop on-orbit delivery of AIT from satellite development to satellite mass production.
On June 2, 2022, the first nine satellites of the future travel constellation were successfully launched into orbit in a way of one arrow and nine satellites, marking the official start of the construction of the space segment of the future travel constellation. According to the plan, by 2025, they will complete the first phase of deployment of 72 satellites.
One arrow nine stars
In the ground segment, Space-Time Daoyu has built a highly integrated constellation measurement, operation and control system that is intelligent, highly reliable, and integrated with constellation measurement and control, and operation and control on a global scale, providing high-quality and stable measurement, operation and control services for the full life cycle operation of constellations.
The completed constellation ground-based data station network is the world's first space-based data generation support station network. It adopts the PPP-RTK system and ultra-long-distance networking technology. It has advanced networking capabilities and has an availability higher than 99.9%. Domain modeling, seamless coverage.
In the application segment, Space-Time Daoyu took the lead in widely applying satellite communication and satellite-based high-precision positioning services to new energy vehicles, drones and other consumer electronics and public service fields, and independently developed automotive-grade chips, modules and integrated positioning Terminal products, by providing one-stop solutions, promote the rapid implementation of satellite application services.
Space-Time Daoyu's satellite data application systems and application terminals are already providing services for users in the fields of smart travel, consumer electronics, unmanned systems, smart cities, transportation and logistics, marine affairs, energy security, and emergency rescue.
The terminal and background system for empowering outdoor events we introduced earlier are typical application cases.
● Unite with ecological partners to jointly build the future travel industry chain
Space-Time Daoyu has laid out the entire industry chain system from satellite R&D, manufacturing, measurement and control, and application, forming a highly synergistic effect and creating the strongest "industrial synergy" in China. This is also the main reason why they took the lead in realizing the commercial closed loop of the satellite industry.
As the saying goes: "Go alone fast, travel far together." Space-Time Daoyu has always paid attention to the construction of the industrial chain ecology while building its own core competitiveness.
Based on the nine-star first track of the future travel constellation, Space-Time Daoyu has carried out in-depth cooperation with Jikrypton, Long-range New Energy Commercial Vehicles and other brands to promote the comprehensive application of aerospace technology in the fields of automobile manufacturing, intelligent driving, and intelligent network connection, so as to better serve User Services.
In the future, they will unite more partners to participate in the commercialization of satellites and create greater commercial and social value.
█ final words
According to statistics, in 2021, the scale of my country's satellite application market will increase to 552.582 billion yuan, of which the overall output value of the satellite navigation and location service industry has reached about 470 billion yuan.
The pace of development of the satellite communication industry is still accelerating. The "14th Five-Year Plan" clearly pointed out that it is necessary to build a world-integrated, integrated, interconnected, safe and efficient information infrastructure, and promote the construction of the "Belt and Road" space information corridor. The turbulent wave of digitalization also has a huge demand for information infrastructure such as satellite Internet.
The commercial closed loop realized by Space-Time Daoyu will greatly enhance the confidence in the domestic development of the commercial satellite industry. More and more satellite commercial application scenarios will enter our lives and start an exciting "super satellite era".
