Shulou(Shulou.com)12/24 Report--

CTOnews.com December 12 news, China Mobile announced today that relying on its own construction of the world's largest, widest and latest 5G + Beidou high-precision positioning system, the Chongqing Jiefangbei Underground Ring Road 5G + Beidou precision navigation project has been completed in an all-round way, providing drivers and crew with accurate positioning and navigation services consistent with the ground.

According to reports, Chongqing Jiefangbei Underground Ring Road is the world's first super-prosperous central urban underground traffic project, with a total length of about 7.5km, composed of "one ring, seven links, N connectivity", nearly 30 underground garages and 23000 parking spaces. and supporting traffic lights, car elevators and other traffic facilities. Because of its complex terrain, car owners are easy to get lost and miss the correct exit, which greatly reduces the travel efficiency. The attached intention of CTOnews.com is as follows:

▲ Jiefangbei underground ring road plane, three-dimensional map, picture source "China Mobile" official account, under the China Mobile world's first indoor and outdoor seamless positioning and navigation system, claimed to be compatible with 100 million stock smartphones, vehicles and other navigation equipment, no need to transform the terminal and install additional App, support vehicle high-speed movement, even if the speed reaches 100km/h will not affect its positioning accuracy, fully provide lane-level, continuous and stable navigation experience.

When driving in the underground ring road, once the network signal is unstable, there will be inaccurate positioning, navigation delay and so on. In this regard, for the first time in China, China Mobile has realized the global coverage of "5G + indoor Beidou signal" in the city's underground roads, filling in the technical gap of no satellite navigation in the tunnel and being able to realize second-level positioning in the tunnel. navigation in complex road conditions such as traffic lights in the underground ring road, but also can real-time display the vehicle position stop and start process, so that the driver friends no longer "dizzy" in the tunnel.

In addition, due to the influence of the underground environment, the traditional indoor positioning system has problems such as unstable signals, discontinuity and large errors. China Mobile indoor and outdoor seamless positioning and navigation system improves the accuracy and stability of clock synchronization, improves the positioning accuracy of indoor Beidou, ensures the continuity and stability of navigation signals, and greatly improves the traffic efficiency of underground ring roads. Today, the average daily traffic in Jiefangbei underground tunnel has increased from 2000 to 12000.

Compared before and after the deployment of the ▲ system, efficient shunt can effectively reduce the surface traffic pressure when the ground and underground roads overlap, the map recognition efficiency of the traditional indoor positioning system is low, when the vehicle passes through too fast, it can not identify Bluetooth navigation, and can not tell whether it is on the ground or underground. China Mobile Indoor and Outdoor Seamless location and Navigation system stratifies time and space for the first time in China, connecting positioning technology with map algorithm, and can accurately identify inside and outside the tunnel, above and below the ground, with a recognition rate of 100%, achieving accurate layered three-dimensional traffic.

Comparison of tunnel real-time navigation before (left) and after (right) installation of ▲ equipment

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