title   
  

A novel power efficient asynchronous time difference of arrival indoor localization system using CC1101 radio transceivers

Nawaz, Haq and Bozkurt, Ayhan and Tekin, İbrahim (2017) A novel power efficient asynchronous time difference of arrival indoor localization system using CC1101 radio transceivers. Microwave and Optical Technology Letters, 59 (3). pp. 550-555. ISSN 0895-2477 (Print) 1098-2760 (Online)

Full text not available from this repository.

Official URL: http://dx.doi.org/10.1002/mop.30342

Abstract

This paper presents a novel 434MHz asynchronous time difference of arrival (A-TDOA) Indoor Localization System (ILS) using three CC1101 ultra low power radio transceivers from Texas Instruments as asynchronous measuring receivers for time difference of arrival estimation. The three deployed TDOA measuring units are not required to be precisely synchronized in contrast to conventional TDOA localization systems where stringent time synchronization is required between measuring units. Time synchronization is achieved by using a reference transmitter to record the time offset in two TDOA measurements. Actual TDOA measurements are obtained by compensating the time difference measurements for real transmitter using time offsets caused by asynchronous receivers. The implemented system demodulates the obtained time difference pulses to mitigate the clock jitter effect and provides voltage levels corresponding to time differences which are mapped to distance differences. The performance of implemented ILS is evaluated using two sets of real time indoor measurements to estimate the position of mobile transmit node in two dimensional space. The positioning accuracy of implemented system is better than 1.8m along with telemetry data reception capability and low DC power consumption.

Item Type:Article
Uncontrolled Keywords:localization; asynchronous time difference of arrival; telemetry; 434 MHz receivers
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
ID Code:31246
Deposited By:Haq Nawaz
Deposited On:03 May 2017 15:19
Last Modified:03 May 2017 15:19

Repository Staff Only: item control page