Development of SATB based on LIEH shaped patch antenna for digital beamforming system


Islam, Mohammad Tariqul and Misran, Norbahiah and Yatim, Baharudin (2007) Development of SATB based on LIEH shaped patch antenna for digital beamforming system. In: Joint Conference 9th WSEAS Int Conf on Mathematical and Computational Methods in Sci and Engineering/6th WSEAS Int Conf on Data Networks, Commununications, Computers , 05-07 NOV 2007 , Port Spain, TRINID & TOBAGO.

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This paper presents the design and development of the smart antenna system testbed (SATB). The SATB is developed based on using the novel L-probe fed inverted hybrid E-H (LIEH) microstrip patch element design arranged into 4 x 1 uniform linear array antenna. This paper reports the development of a software reconfigurable testbed for the implementation and evaluation of digital beamforming algorithm for smart antenna systems. The novel SATB developed based on modular design employing two novel designs of LIEH array antenna and software reconfigurable digital beamforming system (DBS). The modular concept of the system provides the capability to test the antenna hardware, beamforming unit, and beamforming algorithm in an independent manner, thus allowing the smart antenna system to be developed and tested in parallel, hence reduce the design time. The digital beamforming system was developed using a high performance TMS320C6711 (TM) floating-point DSP board and a 4-channel RF front-end receiver developed in-house. The over all peak side lobe level is achieved around at -10 dB for the different scanning angle. The antenna is used for a scan range as far as +/- 30 degrees.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > T Technology (General)
Q Science > QA Mathematics > QA71-90 Instruments and machines > QA75.5-76.95 Electronic computers. Computer science
Divisions: Faculty of Engineering and Technology (FET)
Depositing User: Ms Suzilawati Abu Samah
Date Deposited: 13 Oct 2011 07:02
Last Modified: 13 Oct 2011 07:02


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