Current and future wireless applications strongly rely on precise real-time localization. A
number of applications, such as smart cities, Internet of Things (IoT), medical services …

The IEEE 802.11 standard for wireless local area networking (WLAN), commercially known
as Wi-Fi, has become a necessity in our day-to-day life. Over a billion Wi-Fi access points …

连续广域覆盖, 热点高容量, 低功耗大连接和低时延高可靠是第5 代移动通信系统(5G)
四大主要技术场景. 移动台的位置信息不仅是新业务的需求, 更能有效应对5G …

Current WiFi positioning systems (WPSs) require databases-such as locations of WiFi
access points and propagation parameters, or a radio map-to assist with positioning …

This is the third edition of “Distributed Systems.” In many ways, it is a huge difference
compared to the previous editions, the most important one perhaps being that we have fully …

WiFi-fingerprint localization is recognized as a promising indoor localization technique.
However, it suffers from high implementation overhead such as heavy initial training and …

Indoor localization based on smartphone can enhance user's experiences in indoor
environments. Although some innovative solutions have been proposed in the past two …

Location-based services, such as targeted advertisement, geo-social networking and
emergency services, are becoming increasingly popular for mobile applications. While GPS …

An indoor or outdoor positioning system is hard to position in cross-region and complex
environment. In order to make up for the loss of blind zone in scenario change, we proposed …

Given the ever-expanding scale of WiFi deployments in metropolitan areas, we have
reached the point where accurate GPS-free outdoor localization becomes possible by …