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Radio localization in OFDM networks using the “round trip phase” | IEEE Conference Publication | IEEE Xplore

Radio localization in OFDM networks using the “round trip phase”


Abstract:

In this paper, we present a localization technique for wireless nodes using OFDM modulation. It enables a wireless transceiver to calculate the distance to a second trans...Show More

Abstract:

In this paper, we present a localization technique for wireless nodes using OFDM modulation. It enables a wireless transceiver to calculate the distance to a second transceiver by measuring the round trip time of flight at the physical layer. The method was first modeled and simulated in MatLab for a 5 GHz according to the IEEE 802.11a standard and a 60 GHz wireless OFDM network with 400 MHz bandwidth. The simulation shows an accuracy of about 2 - 4 m mean absolute error in the 5 GHz network and 10 - 30 cm mean absolute error in the 60 GHz network. A demonstrator for the 5 GHz network was implemented on an FPGA board with a wireless front end. The achieved accuracy is up to submeter range.
Date of Conference: 11-12 March 2010
Date Added to IEEE Xplore: 03 December 2010
ISBN Information:
Conference Location: Dresden, Germany

References

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