China is planning to expand the operation of its own satellite positioning system 'BeiDou' independent of GPS to the global scale



BeiDou (BeiDou Navigation Satellite System) "is a satellite positioning system that China is developing independently. It is reported that China aims to deploy BeiDou worldwide by 2020 against the global positioning system (GPS) which is the American satellite positioning system.

China's Beidou system helps livestock water supply in remote pastoral areas - Xinhua | English.news.cn
http://www.xinhuanet.com/english/2018-06/17/c_137260299.htm

How China's GPS 'rival' Beidou is plotting to go global - BBC News
https://www.bbc.com/news/technology-45471959

In the Kubuchi Desert spreading in the eastern part of the Inner Mongolian Autonomous Region , a remote water supply system for pastoral animals using BeiDou has been experimented.

According to Mr. Dalintai who runs pastoral livestock in the Kubuzi desert, until now, he had to do the work "going around the motorcycle and going water to sheep and cows" every day in the summer and once in the winter in the winter about. However, by using the remote water supply system, it became possible to automatically operate the remote water supply system while grasping the position of sheep and cow.


According to Chulu, who is in charge of R & D of BeiDou, water is supplied to livestock by receiving a message sent through BeiDou in the remote water supply system under test.

It is said that it takes about 8,000 RMB (about 130,000 yen) to introduce this remote water supply system, Chulu insists that "With this system, it can save a lot of time and fuel cost" . Furthermore, Mr. Chulu said, "It is possible to know where you are even in situations where communication networks such as the sea and the desert are not available, and in the future we are expecting this system to be used outside of the area we are testing I am doing it.

The development of BeiDou started in 1994 as "China's unique positioning system" which does not depend on American GPS. From 2000 to 2007, 4 first-generation communication satellites "Beidou-1" were launched and system operation started in China. At the end of 2012, the second generation "Beidou - 2" was launched and operation began in the Asia - Pacific region.

By the end of 2018, China plans to develop mainly " Silk Road Economic Belt and the 21st Century Ocean Silk Road (One Way)" including Southeast Asia to the Middle East, among which 30 countries including Pakistan, Laos and Indonesia It is said that it is covered. China will launch 35 satellites by 2020 and want to extend BeiDou's scope of operation to the whole world. According to BBC, the number of satellites of 35 are overwhelming the planned number of US GPS, European Galileo and Russian GLONASS by 2020.

In fact, China has announced that it has launched 16 third-generation communication satellites "BeiDou-3".



Ran Chengqi, director of the China Satellite Navigation Department, said: "The precision of the satellite positioning system by Beidou-3 is about 2.5 meters, it can be upgraded to centimeter accuracy by adding ground stations, The cost of the chip also declined and the 3rd generation BeiDou is no longer as accurate and reliable as the GPS. "

However, unlike the GPS where the distance is known only by receiving the radio waves from the satellite, BeiDou employs a bidirectional transmission system "transmit the signal from the device to the satellite and receive the signal returned from the satellite" I will. From this, it is pointed out by some experts that "GPS chip built in the device grows in size, and the data to be handled becomes larger, so traffic increases and the positioning speed decreases."

Of the United Kingdom Royal Defense Security Institute Alexandra sticking scan Mr. of the "China that are in a hurry the operational expansion of its own system that does not rely on GPS is, Xi Jinping regime is trying to Oshisusumeyo" small, smart army. " We will increase precision and expand its influence to the entire world. " Stickings commented, "Most of China's plan to deploy a GPS satellite positioning system on a global scale is asleep ambitions to become a leader in space development."

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