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Thread: China's GPS - Beidou

  1. #61
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    "China to deliver latest BeiDou positioning chip at the end of 2020"

    https://news.cgtn.com/news/2020-09-0...GGI/index.html

    A 22-nanometer chip, the latest generation of China's BeiDou high-precision positioning chip, was recently unveiled in Beijing.

    The chip will be officially delivered by the end of this year and put into mass production in the first half of 2021, that can realize high-precision positioning in such fields as autonomous driving, drones and robots.

    Serving as the "brain" of a navigation device, the positioning chip is the core part of satellite navigation products.

    The new chip is only a quarter of the size of the last generation and consumes one-fifth of the power, said Li Nan, staff at a BeiDou chip enterprise.
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  2. #62
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    "Tech combo is a real game-changer for farming"

    https://www.gpsdaily.com/reports/Kil...anger_999.html

    Global acceptance and application of China's Beidou Navigation Satellite System will gather momentum on the back of further integration with telecom technologies like 5G and the internet of things, company executives and experts said.

    Their comments came after Beidou started offering full-scale global services on July 31. More importantly, navigation technologies are increasingly intertwined with telecommunication technologies to enable more applications in transportation, energy, fishing, agriculture, city management and other areas.

    "The era of Beidou as a global system is coming," said Miao Qianjun, former secretary-general of the Global Navigation Satellite System and Location-based Services Association of China, which goes by the abbreviation GLAC and was founded in 1995 to promote commercial applications of Beidou technologies.

    "Just as high-speed railways, Beidou will become another high-tech name-card for China," Miao said.
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  3. #63
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    Beidou has been a money generator for China. In 2019 the output value reached 345 billion yuan (about 49.5 billion U.S. dollars).

    http://www.ecns.cn/news/sci-tech/202...u1732875.shtml

    Despite being affected by three typhoons and the COVID-19 epidemic, Song Jilin's 20 hectares of rice on the Qixing farm, northeast China's Heilongjiang Province, embraced a bumper harvest this year.

    There was a lack of hands during the spring plowing season because of the epidemic, but the unmanned rice transplanters equipped with China's BeiDou Navigation Satellite System (BDS) helped out, Song said.

    On the Qixing farm, a combine harvester guided by the BDS is shuttling between the rice fields. Zhang Jinghui, another major rice planter, said with advanced navigation technology, the harvester can work precisely with an error range of less than 2 cm. It can also work during the night to increase efficiency.

    The application in precision agriculture is an example of how BDS has become a powerful impetus to boosting China's economic and social development and improving people's living conditions.

    Extensively applied in various aspects of the national economy and people's lives, BDS currently provides full-scale services in sectors ranging from transportation, public security, disaster relief, and mitigation to agriculture, forestry, and city management.
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  4. #64
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    Beidou gives a positioning accuracy of 1.2 meters,

    http://en.people.cn/n3/2020/1015/c90000-9769439.html

    China’s Beidou Navigation Satellite System (BDS) will provide free services for civilian mobile phone users with a positioning accuracy of 1.2 meters within seconds thanks to the latest Beidou high-accuracy positioning service platform released at the Beidou Summit Forum on Oct. 14.

    With a 1.2 meter positioning accuracy, the platform enables lane-level vehicle positioning.
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  5. #65
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    Quote Originally Posted by selvaarchi View Post
    Beidou gives a positioning accuracy of 1.2 meters,

    http://en.people.cn/n3/2020/1015/c90000-9769439.html
    "with a positioning accuracy of 1.2 meters within seconds"

    Within seconds? That would be a little too late, wouldn't it? I mean, for even a slow lane change ...

  6. #66
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    Quote Originally Posted by grapes View Post
    "with a positioning accuracy of 1.2 meters within seconds"

    Within seconds? That would be a little too late, wouldn't it? I mean, for even a slow lane change ...
    Do not know but I expect a faster response from Waze to say you have taken a wrong turning when driving.
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  7. #67
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    Quote Originally Posted by grapes View Post
    "with a positioning accuracy of 1.2 meters within seconds"

    Within seconds? That would be a little too late, wouldn't it? I mean, for even a slow lane change ...
    This report says the harvester can work precisely with an error range of less than 2 cm.

    https://www.gpsdaily.com/reports/Chi...tions_999.html

    Despite being affected by three typhoons and the COVID-19 epidemic, Song Jilin's 20 hectares of rice on the Qixing farm, northeast China's Heilongjiang Province, embraced a bumper harvest this year.

    There was a lack of hands during the spring plowing season because of the epidemic, but the unmanned rice transplanters equipped with China's BeiDou Navigation Satellite System (BDS) helped out, Song said.

    On the Qixing farm, a combine harvester guided by the BDS is shuttling between the rice fields. Zhang Jinghui, another major rice planter, said with advanced navigation technology, the harvester can work precisely with an error range of less than 2 cm. It can also work during the night to increase efficiency.

    The application in precision agriculture is an example of how BDS has become a powerful impetus to boosting China's economic and social development and improving people's living conditions.
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  8. #68
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    Maybe the harvester can use corrections because it is moving, it should achieve an order of mag improvement by monitoring the phase shifts over time as it moves, or use other clues like hitting the fence to correct its position.? We have robot agricultural machines too, guided by gps but maybe assisted by other sensors, I would hope so!
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  9. #69
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    "BeiDou system passes verification standard of ICAO"

    http://www.ecns.cn/news/sci-tech/202...x9605943.shtml

    China's domestically developed BeiDou satellite navigation system, or BDS, has passed an assessment of critical standardization work at the International Civil Aviation Organization (ICAO), state broadcaster China Central Television (CCTV) reported Tuesday, citing the Chinese civil aviation authority and China Satellite Navigation Office.

    Chinese analysts hailed the move as significant in the promotion of the global navigation system.

    All performance indicators of the system completed expert technical verification on the Sixth Navigation Systems Panel (NSP/6) of the ICAO held from November 2 to 13, which represents the completion of the core and most important work of officially incorporating the BDS-3 into the ICAO's standards.

    The technical verification of BDS-3 is the first time that a BDS civil signal has been qualified by the international organization. The ICAO has the highest requirements for global navigation satellite systems, and the verification by the ICAO proves BDS-3 has the ability to provide navigation services for global civil aviation.

    Wang Yanan, chief editor of Aerospace Knowledge magazine, told the Global Times that the verification is an important step in the development of the navigation system, as global airlines can now choose, as allowed by the ICAO, to incorporate the system as a source of navigation service.
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  10. #70
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    "BeiDou navigation base in south China targets services in ASEAN"

    http://www.xinhuanet.com/english/202..._139547563.htm

    A base focusing on the utilization of China's BeiDou Navigation Satellite System (BDS) to better serve the Association of Southeast Asian Nations (ASEAN) has been established in south China's Guangxi Zhuang Autonomous Region.

    The China-ASEAN BDS base is located in the regional capital of Nanning, where a forum on China-ASEAN BDS application scenarios and industrial development was held Thursday.

    At the forum, which was one of the activities under the 17th China-ASEAN Expo, three agreements were signed by companies from China, Thailand, Cambodia and the Philippines outlining cooperation in the application of the BDS system.

    Ran Chengqi, director of the China Satellite Navigation Office, said the service performance of the BDS system in the ASEAN area is among the best in any region worldwide.

    With the BDS-3 system having been commissioned on July 31, the ASEAN countries -- Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, the Philippines, Singapore, Thailand and Vietnam -- will enjoy more accurate, more reliable and more diverse and precise services provided by the BDS, said Ran.
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  11. #71
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    BeiDou used to help measure the height of mount Everest {mount Qomolangma in Tibetan) - 8,848.86 meters

    http://www.xinhuanet.com/english/202..._139573748.htm

    The joint announcement of the new peak height is of great significance in carrying forward the undertakings of the predecessors to the future and showcasing the high level of the continuous development of China-Nepal relations, Xi noted.

    As the movements of the Indian and Eurasian plates continue, regular remeasurement of the peak needs to be updated. Theoretically, this should be done every 10 to 15 years, said Dang Yamin, who is in charge of the coordination of height measurement technologies.

    The latest measurement was markedly more scientific, reliable, and innovative than the previous one in 2005 thanks to the application of multiple homegrown technologies, including the BeiDou Navigation Satellite System (BDS), according to the Ministry of Natural Resources.
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  12. #72
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    "China sees booming satellite navigation, positioning industry"

    https://www.gpsdaily.com/reports/Chi...ustry_999.html

    China's satellite navigation and positioning industry gained a total output value of 345 billion yuan (about 52.8 billion U.S. dollars) in 2019, according to the latest report.

    The sector's output value is expected to hit 400 billion yuan in 2020, according to the report released by the China Satellite Navigation Office on the construction and development of the BeiDou Navigation Satellite System (BDS).

    Over the past decade, China has seen the total output of its satellite navigation and positioning industry grow by an annual average of more than 20 percent, read the report.
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  13. #73
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    Quote Originally Posted by selvaarchi View Post
    "China sees booming satellite navigation, positioning industry"

    https://www.gpsdaily.com/reports/Chi...ustry_999.html
    Um ...
    As far as I can see from various news, the boom is not only in satellite navigation and not only in China.
    Now almost every country has its own space company.
    On the one hand, this is good. We, ordinary people, will be able to receive more and more quality services every day, scientists will be able to predict different things more and more accurately. But don't you think that this can lead to some other consequences? I'm afraid people might overdo it

  14. #74
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    Quote Originally Posted by TommyJo View Post
    Um ...
    As far as I can see from various news, the boom is not only in satellite navigation and not only in China.
    Now almost every country has its own space company.
    On the one hand, this is good. We, ordinary people, will be able to receive more and more quality services every day, scientists will be able to predict different things more and more accurately. But don't you think that this can lead to some other consequences? I'm afraid people might overdo it
    You need your own system if you need to depend on it. Other wise it might be turned off just when you need it most.
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  15. #75
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    Quote Originally Posted by selvaarchi View Post
    You need your own system if you need to depend on it. Other wise it might be turned off just when you need it most.
    From this point of view, you are absolutely right. I would like to talk about it. But you probably need to create a separate branch. It would be very interesting for me to see the opinion of people. Why we cannot constantly rely on each other and develop in cooperation?

  16. #76
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    Quote Originally Posted by TommyJo View Post
    From this point of view, you are absolutely right. I would like to talk about it. But you probably need to create a separate branch. It would be very interesting for me to see the opinion of people. Why we cannot constantly rely on each other and develop in cooperation?
    It is best to keep off, or we will stepping on some political red lines for this forum.
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  17. #77
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    "China's Standardization Administration revealing 4 national standards for BDS"

    http://www.ecns.cn/news/sci-tech/202...z1834936.shtml

    China's Standardization Administration announced four BDS (BeiDou Navigation Satellite System) related standards, which was published on its official website, the website of BDS' WeChat account revealed on Saturday.

    The four standards cover the areas of data format, digital map applications, ground-based augmentation systems, and atomic clocks.
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