Time of Arrival (TOA) based indoor positioning systems are considered to be the high precision alternatives to other positioning systems employing received signal strength (RSS) …
M Heidari, K Pahlavan - 2007 IEEE Wireless Communications …, 2007 - ieeexplore.ieee.org
In time of arrival (TOA)-based indoor geolocation systems ranging error is a function of the bandwidth of the system and the availability of the direct path between the transmitter and …
M Heidari, K Pahlavan - EURASIP Journal on Advances in Signal …, 2007 - Springer
The existence of undetected direct path (UDP) conditions causes occurrence of unexpected large random ranging errors which pose a serious challenge to precise indoor localization …
Recently, a number of empirical models have been introduced in the literature for the behavior of direct path used in the design of algorithms for RF based indoor geolocation …
M Heidari, K Pahlavan - IEEE communications letters, 2007 - ieeexplore.ieee.org
Recently, considerable attention has been devoted to modeling and analysis of the behavior of the ranging error in indoor environment. The ranging error modeling is essential in design …
A well-known challenge in estimating the distance of the antenna pair in time-of-arrival (ToA) based RF localization systems is the problem of obstruction of the direct path (DP) between …
Wireless positioning using radio signals has received considerable attention in the field of navigation and tracking. However, the existing navigation systems that are based on …
Recently, a number of empirical models have been introduced in the literature for the behavior of direct path used in the design of algorithms for RF based indoor geolocation …
The hostile nature of indoor radio environments and the rapid growth of commercial indoor positioning systems have placed a significant emphasis on developing robust localization …