Overlapped Subarray Architecture of an Wideband Phased Array Antenna with Interference Suppression Capability - Journal of Electromagnetic Analysis and Applications

JEMAA > Vol.5 No.5, May 2013

Journal of Electromagnetic Analysis and Applications

Volume 5, Issue 5 (May 2013)

ISSN Print: 1942-0730 ISSN Online: 1942-0749

Google-based Impact Factor: 0.55 Citations h5-index & Ranking

Overlapped Subarray Architecture of an Wideband Phased Array Antenna with Interference Suppression Capability ()

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Download as PDF (Size: 508KB) PP. 201-204

DOI: 10.4236/jemaa.2013.55032 5,628 Downloads 8,547 Views Citations

Author(s)

Quazi Md. Alfred, Tapas Chakravarty, Salil Kumar Sanyal

Affiliation(s)

Department of Electronics and Communication Engineering, University Institute of Technology, University of Burdwan, Burdwan, India.
Department of Electronics and Telecommunication Engineering, Jadavpur University, Kolkata, India.
Tata Consultancy Services, Kolkata, India.

ABSTRACT

This paper presents a novel architecture of combining the linear array of antenna elements, where each antenna element has digitally selectable true time-delays as weights. Use of time-delays for beam-formation inherently makes the phased array network a wideband system. In particular, this technique envisage a new method of sharing antenna elements, by fixed overlapped sub-array architecture, which is able to maintain permissible element spacing to avoid grating lobe in antenna pattern. Moreover, this scheme additionally offers an easier null steering capability to the subarray architecture. This method essentially eliminates the need for intensive computation of complex weight vectors attached to each antenna element.

KEYWORDS

Phased Array; Subarray, Time-Delay; Overlapped Array

Share and Cite:

Q. Alfred, T. Chakravarty and S. Sanyal, "Overlapped Subarray Architecture of an Wideband Phased Array Antenna with Interference Suppression Capability," Journal of Electromagnetic Analysis and Applications, Vol. 5 No. 5, 2013, pp. 201-204. doi: 10.4236/jemaa.2013.55032.

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