A low complexity direction finding system based on a six-port integrated MIMO antenna system

In this paper, a low complexity microwave based direction finding (DF) system is presented. The proposed system consists of single six-port (SP) circuit integrated with a reconfigurable multiple-input-multiple-output (MIMO) antenna system. The proposed design is a complete integrated solution with DF capabilities for cognitive radio platforms. The design is suitable to be used in compact wireless handheld and mobile communication devices. The SP circuit covers a wide frequency band (1.68∼2.25 GHz) while the reconfigurable MIMO antenna system cover several frequency bands between 0.7 GHz to 3 GHz. The fabricated integrated system achieves ±16° accuracy in its direction of arrival estimates.

[1]  Ziqiang Yang,et al.  DESIGN AND IMPLEMENTATION OF A PRACTICAL DIRECTION FINDING RECEIVER , 2012 .

[2]  Tayeb A. Denidni,et al.  Direction-of-arrival estimation method based on six-port technology , 2006 .

[3]  Mohammad S. Sharawi,et al.  A low complexity direction finding system based on a six-port integrated MIMO antenna system , 2015, 2015 IEEE Jordan Conference on Applied Electrical Engineering and Computing Technologies (AEECT).

[4]  Thomas Kailath,et al.  ESPRIT-estimation of signal parameters via rotational invariance techniques , 1989, IEEE Trans. Acoust. Speech Signal Process..

[5]  Mohammad S. Sharawi,et al.  Integrated reconfigurable multiple-input–multiple-output antenna system with an ultra-wideband sensing antenna for cognitive radio platforms , 2015 .

[6]  Mohammad S. Sharawi,et al.  Compact low frequency six-port design for wireless communication devices , 2014, MELECON 2014 - 2014 17th IEEE Mediterranean Electrotechnical Conference.

[7]  R. O. Schmidt,et al.  Multiple emitter location and signal Parameter estimation , 1986 .

[8]  Mohammad S. Sharawi,et al.  A compact reconfigurable multi-band MIMO antenna system , 2014, 2014 IEEE Antennas and Propagation Society International Symposium (APSURSI).

[9]  Tao Yang,et al.  DESIGN AND IMPLEMENTATION OF AN ULTRA- WIDEBAND SIX-PORT NETWORK , 2012 .

[10]  R. Weigel,et al.  Wide-range, dual six-port based Direction-Of-Arrival detector , 2012, 2012 The 7th German Microwave Conference.

[11]  Mohammad S. Sharawi,et al.  A dual six-port with two-angle resolution and compact size for mobile terminals , 2014, 2014 IEEE Radio and Wireless Symposium (RWS).

[12]  Ke Wu,et al.  Ka-band analog front-end for software-defined direct conversion receiver , 2005, IEEE Transactions on Microwave Theory and Techniques.

[13]  David Peavey,et al.  The single channel interferometer using a pseudo-Doppler direction finding system , 1997, 1997 IEEE International Conference on Acoustics, Speech, and Signal Processing.