Compared with other positioning technologies, UWB positioning technology has the
absolute advantages in the accuracy, the real-time performance and the wide-band. It can …

Network Scalability is an important step in the development of UWB indoor localization
system. Owing to its fine resolution and robustness in cluttered environments, UWB signals …

In recent years, the UWB technology has become a hot spot for indoor location research
because of its many advantages such as good penetration and strong anti-multipath …

Requirements of different applications and usage scenarios on a wireless positioning
system is very different. A single positioning system is unlikely to meet all the requirements …

Wireless sensor networks gain ground rapidly due to their potentially low cost. These
networks, including variants with UWB (ultra-wideband) physical layer, can be utilized …

Wireless positioning based on IEEE 802.15. 4a has recently gained attention for precise
localization. However, the multi-user scalability of those, mostly two-way ranging based …

For time-based positioning system, clock synchronization between base stations is crucial.
Aiming at the problem of low clock synchronization accuracy in indoor positioning, a method …

On the positioning accuracy, the geometric distribution of anchor nodes in wireless sensor
networks has notable impacts. To select the optimum node combination, conventional …

Ultra wide band (UWB) systems use time information instead of the popular received signal
strength indication (RSSI). UWB is known for its high position accuracy in localization. RSSI …

The ultra-wide band (UWB) indoor positioning precision often has large deviations due to
environmental influences. To reduce noise error and improve the UWB indoor positioning …