Position Location using OFDM signal in LCX Linear Cell MIMO System

MINORU, OKADA and SATOSHI, TSUKAMOTO and TAKAHIRO, MAEDA and TAKESHI, HIGASHINO (2014) Position Location using OFDM signal in LCX Linear Cell MIMO System. In: International Conference on Advances in Computer Science and Electronics Engineering - CSEE 2014, 08-09 March, 2014, Kuala Lumpur, Malaysia.

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Abstract

This paper proposes a new scheme of position location for radio terminals using MIMO-OFDM signal. First, this paper describes on a system configuration of LCX linear cell MIMO system and its research issues. Second, to observe channel responses depending on the terminal location, impulse responses are measured in the anechoic chamber. Third, principle of operation for positioning the radio terminals using multiple antennas and its signal processing using OFDM are described. The 2x2 spatial division multiplexing is successfully carried out using 2-port LCX as a transmitting antenna. Time difference of arrival (TDOA) is estimated at receiver by using its channel estimation function. From the experiments, the validity of averaging operation between estimated TDOAs are found to enhance positioning precision.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: position location, MIMO, LCX, Linear cell, WiFi
Depositing User: Mr. John Steve
Date Deposited: 13 May 2019 07:48
Last Modified: 13 May 2019 07:48
URI: http://publications.theired.org/id/eprint/2270

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