Your mobile phone can use Beidou, but you don’t know it yet

On May 26, on the occasion of the 12th China Satellite Navigation Annual Conference, the latest version"Construction and Development of Beidou Satellite Navigation System"The report is officially released.The latest version of the "Beidou Satellite Navigation System Construction and Development" report is divided into three parts: Part OneSystem status, part twoApplication promotion, part threeinternational cooperation。The report points out that the Beidou system has fully served industries such as transportation, public security, disaster relief and reduction, agriculture, forestry, animal husbandry and fishery, integrated into infrastructure such as power, finance, and communications, and has widely entered the fields of mass consumption, sharing economy, and people's livelihood. It has profoundly changed people's production and lifestyle, and produced significant economic and social benefits.As of the end of 2020, the total number of terminal products with Beidou positioning functions in society has exceeded1 billion units/set。The text of the report is as follows——

Part One: System Situation

The total number of service satellites currently in orbit45 pieces,includeBeidou-2 satellite15 pieces，Beidou-3 satellite30 pieces, in good health and operating stably in orbit.

As of March this year, in terms of space signal quality, the power spectrum envelope of the measured Beidou satellite signals remains consistent, the signal quality is good, and it meets the requirements of the interface control document. In terms of space signal accuracy, the Beidou systemThe average spatial signal ranging error (SISRE) is 0.42 meters。

In terms of coordinate base and time base, the time difference between Beidou time and international UTC remains atWithin 26 nanoseconds, the accuracy of the Beidou coordinate framework and the international ITRF2014 coordinate parameters remains atWithin 3 cm。

Promote the establishment of a Beidou system operation management coordination organization and linkage mechanism with Chinese characteristics to ensure that the Beidou-3 system operates continuously and stably and its performance improves steadily since it was put into service. The Beidou system always adheres to first-class indicators and first-class services, and is constantly upgraded to meet the needs of global users.

Currently, the Beidou system providesNavigation and positioningandCommunication data transmissionTwo categories and seven services. Including: for global scope, providingPositioning and navigation timing、Global short message communication（GSMC）和international search and rescue(SAR) three services; provided in China and surrounding areasStar-based enhancement（SBAS）、Foundation reinforcement（GAS）、Precision single point positioning（PPP）和Regional short message communication(RSMC) four services.

Positioning, navigation and timing services, global actual positioning accuracy and horizontal directionBetter than 2.5 meters, vertical directionBetter than 5.0 meters;Speed ​​measurement accuracyBetter than 0.2 meters/second, timing accuracyBetter than 20 nanoseconds。System continuity improved to99.996%, availability increased to99%。

Global short message service, through 14 MEO satellites, can provide trial services to global users, with a maximum single message length560 bits,about40 Chinese characters。

For international search and rescue services, the on-orbit testing of six MEO satellites and their search and rescue payloads has been completed. On the basis of complying with international standards, it provides Beidou’s unique B2b return link confirmation function to provide global users withDistress alarmServe.

Regional short message service. Currently, the Beidou-3 regional short message service provides services to users in China and surrounding areas. The maximum single message length is14000 bits,about1000 Chinese characters。

Precision single-point positioning service. Currently, precise single-point positioning signals have been broadcast through 3 GEO satellites to provide precise single-point positioning services. Positioning accuracy measured value levelBetter than 20cm, elevationBetter than 35cm, convergence time15~20 minutes。

The satellite-based enhanced service covers users in China and surrounding areas, supports two enhanced service modes, single-frequency and dual-frequency multi-constellation, and meets ICAO’s requirements for positioning accuracy, alarm time, integrity risk and other indicators. At present, the satellite-based augmentation system service platform has been basically completed and is facingCivil aviation, maritime, railwayProvide trial operation services to users with high integrity.

Foundation enhancement services are provided to industry and public users using the framework network base stations and regional network base stations constructed across China.Real-time centimeter level, post-event millimeter levelLocation enhancement services.

We will also follow the ideas of focusing on the core, reshaping the structure, and enabling integration.Before 2035, build a more ubiquitous, more integrated, and more intelligent national comprehensive positioning, navigation and timing (PNT) system。

In terms of the development of the next generation comprehensive PNT system, standardized solutions will be adopted to comprehensively utilize multiple means to meet the greatest common needs of users. Further improve satellite navigation capabilities to achieve decimeter-level high-precision positioning capabilities and global integrity services; use communication system resources to achieve new-quality PNT capabilities, and achieve navigation in communication-reachable areas through mutual empowerment; micro-autonomous PNT to achieve independent acquisition of navigation, positioning and timing information.

At the same time, efforts should be made simultaneously on the supply side and the demand side to open up the PNT capability generation chain and make PNT truly useful and useful.

Focusing on standardized solutions, integrating various technologies and systems, and leveraging the technological revolution, we provide global users with PNT services that have unified standards, seamless coverage, safety, reliability, convenience and efficiency, and provide core support for future intelligent development.

Part Two: Application Promotion

The Beidou system has fully served industries such as transportation, public security, disaster relief and mitigation, agriculture, forestry, animal husbandry, and fishery, integrated into infrastructure such as power, finance, and communications, and has widely entered the fields of mass consumption, sharing economy, and people's livelihood. It has profoundly changed people's production and lifestyle, and produced significant economic and social benefits. In 2020, the overall output value growth rate of my country's satellite navigation and location service industry will continue to accelerate, reaching403.3 billion yuanRMB, compared with 2019An increase of approximately 16.9%, to achieve the goals of the “13th Five-Year Plan”.

Based on the actual application of Beidou, we select and publish documents such as a basic product catalog and typical Beidou application cases. Today, we officially released the "Beidou Satellite Navigation System Public Service Performance Specification (Version 3.0)" here, which details the performance indicators of various services. They can be downloaded from the Beidou system government website (www.beidou.gov.cn).

In terms of basic products, as of the end of 2020, sales of domestic Beidou-compatible chips and modules have reached 100 million levels, and quarterly shipments have exceeded10 million pieces;The total social stock of terminal products with Beidou positioning function exceeds1 billion units/set; In 2020, the total domestic shipments of high-precision chips, modules and boards for centimeter-level applications will grow rapidly, breaking through1 million pieces。

Mass application with remarkable results. Since the system was launched, it has includedMainstream smartphone manufacturers at home and abroad, including Huawei and Apple, support Beidou. According to statistics, in the first quarter of 2021, the number of smartphone models that applied for network access to support Beidou positioning reached79%. Beidou ground enhancement information has entered smartphones, enablingMeter level positioning。

Transportation field, Beidou system is widely used in key transportation process monitoring, highway infrastructure safety monitoring, high-precision real-time positioning and dispatch monitoring of ports, and other fields. In 2020, super7 million road operating vehiclesBeidou system has been installed and used;36,300 postal express vehiclesInstall Beidou terminal; approx.1,600 official shipsInstalled using Beidou system; approx.350 general purpose aircraftThe Beidou system is used, accounting for 12%, and is used for the first timetransport aircraft。

Agriculture, forestry and fishery fields, the agricultural machinery automatic driving system based on the Beidou system exceeds45,000 sets,save50%labor costs; the agricultural machinery operation supervision platform and the Internet of Things platform based on the Beidou system areMore than 400,000 sets of agricultural machinery and equipmentProviding services has greatly improved the efficiency of operation management; Beidou system positioning and short message communication functions are widely used in forest fire prevention, natural forest protection, forest natural survey, pest control, etc. In terms of fisheries, Beidou provides fishery management departments and fishing vessels with services such as vessel position monitoring, emergency rescue, information release, and fishing vessel entry and exit management.

Disaster reduction and relief, based on the high-precision positioning technology and short message communication functions of the Beidou system, providesReal-time disaster relief command and dispatch、emergency communications、Rapid reporting and sharing of disaster informationand other services, significantly improving the rapid response capabilities and collaborative command capabilities of disaster emergency rescue. Jiangsu, Guizhou, Sichuan and other places use Beidou high-precision technology to establish geological disaster monitoring and early warning systems.24 hours real-time monitoring, has repeatedly successfully warned of landslides and other geological disasters, ensuring the safety of people's lives and property.

existEmerging application areas, "Beidou + Big Health" is becoming a new hot spot in current applications, comprehensively targetingEpidemic prevention monitoring、Telemedicine、Smart elderly careExpand applications in other aspects and promote the realization of intelligent health services that serve everyone.

existdigital construction, Beidou satellite positioning combined with multi-sensor and Internet technologies is widely used inMining, railways, highways, airports, ports, power infrastructureDuring the construction process, the quality and efficiency of project construction are significantly improved, labor and material cost inputs are reduced, and safety levels are effectively improved.

along withBeidou+5GThe two major infrastructures strengthen and empower each other and promoteIntegrating technology, integrating terminals, integrating platforms, integrating data, and integrating servicesWith the development, Beidou system application models will be more abundant.

existOverseas promotion, domestic Beidou basic products have been exported toMore than 120 countries and regions, land rights confirmation, precision agriculture, smart ports, etc. based on Beidou have been implemented inASEAN, South Asia, Eastern Europe, West Asia, AfricaIt has been successfully applied in other places, serving local economic and social development, and sharing the development results of satellite navigation construction.

existPolicies and regulations, continue to promote the promulgation of the "Satellite Navigation Regulations of the People's Republic of China". As of April 2021, policies and regulations related to satellite navigation have been introducedMore than 1,000 pieces. The Beidou Rule of Law Forum at this annual meeting will release the "Beidou Satellite Navigation System Rule of Law Construction Report" to comprehensively and systematically summarize the effectiveness and experience of Beidou's rule of law construction and escort the large-scale industrialization development of Beidou.

existStandardization, completed the re-election of the National Beidou Satellite Navigation Standards Committee, and released a total of32 national standards in Beidou field，56 Beidou special standards, which strongly supports Beidou project construction, operation and maintenance, as well as large-scale application and industrial development. The revision of the national Beidou satellite navigation standard system has been completed and will be released soon, providing a basis for the formulation and revision of national standards in the Beidou field in the next five years.

With the strong support of relevant national ministries and commissions such as the Ministry of Industry and Information Technology, the National Development and Reform Commission, and the Ministry of Transport, the industrial development of Beidou has become the focus of the "14th Five-Year Plan" development. Relevant ministries and commissions have issued special Beidou development plans to clarify the five-year development plan of the Beidou system and promote the high-quality development of the Beidou industry.

It is expected that by the end of the "14th Five-Year Plan", the overall output value of my country's satellite navigation position and services will double, breaking throughTrillion yuan mark, the global market share has doubled, and Beidou industrialization is moving towards a wider scope, higher level, and higher level.

Part Three: International Cooperation

The construction and development of the Beidou system has always adhered to the principles of open cooperation and resource sharing, actively carried out international cooperation and exchanges, and assisted the development of the global satellite navigation industry.

In accordance with the intergovernmental satellite navigation system cooperation agreement that has come into effect, China and Russia are jointly formulating the "2021-2025 China-Russia Cooperation Roadmap in the Field of Satellite Navigation" to provide planning guidance for China-Russia satellite navigation cooperation in the next five years. Under the framework of the project committee, cooperation projects such as joint testing, site construction coordination, precision agriculture, and cross-border transportation will continue to be promoted.

China and the United States continue to carry out communication and coordination on the compatibility and interoperability of Beidou and GPS, as well as cooperation in satellite-based enhancement systems and civil services, to promote the construction and development of the two systems and jointly serve the people of the world.

China and Argentina signed a memorandum of understanding on cooperation. This is the first time Beidou has signed a cooperation agreement with a country in South America, marking the formal establishment of a normalized cooperation mechanism between the two parties in the field of satellite navigation. According to the cooperation agreement, China and Argentina will cooperate in the fields of joint application of satellite navigation, testing and evaluation, education and training, and accelerate the promotion of the Beidou system to serve the economic and social development of Argentina.

The third China-ASEAN Beidou Application and Industrial Development Cooperation Forum was held. The forum was themed "New Industrial Development and Integration of New Ecosystems". Through both online and offline forms, the forum promoted the construction of the "Beidou+" industrial ecology and promoted in-depth and win-win cooperation with ASEAN countries.

This year, our country will also host large-scale international events such as the 3rd China-Arab Beidou Cooperation Forum, the 2nd China-Central Asia Beidou Cooperation Forum, the 1st China-Africa Beidou Cooperation Forum, and the Beidou Day event at the Dubai World Expo to share the results of the construction and development of the Beidou system and benefit mankind.

In terms of multilateral cooperation, China actively participates in international activities under the framework of international organizations such as the United Nations Office for Outer Space Affairs and relevant multilateral mechanisms, and participates in activities commemorating the 50th anniversary of my country's restoration of its lawful seat in the United Nations. Participated online in the Munich Satellite Navigation Summit and the 58th meeting of the United Nations Committee on Outer Space Science and Technology Group to introduce the latest progress of Beidou; successfully organized an international training course on Beidou "Belt and Road" technology and application; created "Satellite Navigation" to become a world-class authoritative journal in the field of satellite navigation, promote the development of satellite navigation technology, and actively contribute Chinese wisdom to the development of world satellite navigation.

Continue to promote the Beidou system to enter the standard system of international organizations such as civil aviation, maritime affairs, search and rescue satellites, and electrotechnical committees; in November 2020, at the sixth plenary meeting of the ICAO Navigation System Expert Group, all 189 performance indicators of the Beidou-3 global system passed the technical verification, marking the successful completion of the core and most important task of the Beidou-3 global system entering the ICAO standard work.

The China Satellite Navigation Annual Conference has been held for 12 consecutive years, with more than 3,000 annual participants. It has become a high-level, international comprehensive exchange platform in the field of satellite navigation and is playing an active role in the development of world satellite navigation technology and applications.

Looking to the future, while ensuring the stable operation of the Beidou system, the pace of Beidou development will not stop. We will continue to uphold the development concept of "China's Beidou, the world's Beidou, and first-class Beidou", practice the new era Beidou spirit of "independent innovation, open integration, unity, and pursuit of excellence", continue to promote the upgrade and development of the Beidou system, and make new and greater contributions to serving the development of human society and building a community with a shared future for mankind.

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