How do you know the travel itinerary code of Luoyang?

After leaving Luoyang (to other cities), is it right to get people's trajectory by exchanging big data? "Cell phone signaling data"? Through analysis. The specific technical principle is to obtain signaling data through the location of the base station where the user's mobile phone is located, so as to know that the user is not in Luoyang or going to other areas.

Communication Big Data Travel Card is issued by China ICT Institute in conjunction with three basic telecommunications companies, namely China Telecom, China Mobile and China Unicom. It can query not only the domestic itinerary of users, but also the international itinerary of users.

Development of traffic big data travel card;

Since 2020 1 and February 2020 13, the SMS inquiry services provided by the three major operators have covered more than 200 million users.

2. On February 29th, 2020, SMS query was upgraded to scan code query, providing a unified web query portal.

3. On March 6th, 2020, the function of inquiring about overseas visiting places was launched on the "Communication Big Data Travel Card", which can inquire about the information of overseas countries or regions visited by mobile phone users in the previous 14 days, and timely find out the problems of missing, missing and falsely reporting tourism information.

In September, 20021year, in order to help people travel safely, the national government service platform integrated the health code and travel code into one page, and opened Alipay's health code to see the travel code at the same time. This means that the health code and travel code have fully realized a page of "two in one" nationwide.

Refer to the above? Baidu Encyclopedia-Communication Big Data Travel Card