scholarly journals Compact circular-patch-based bandpass filter for ultra-wideband wireless communication systems

2017 ◽  
Vol 82 ◽  
pp. 272-278 ◽  
Author(s):  
Zarko Sakotic ◽  
Vesna Crnojevic-Bengin ◽  
Nikolina Jankovic
Keyword(s):  
Wireless Communication ◽  
Communication Systems ◽  
Bandpass Filter ◽  
Ultra Wideband ◽  
Wireless Communication Systems ◽  
Circular Patch ◽  
Wideband Wireless Communication

Genetic Algorithm Based Equalizer for Ultra-Wideband Wireless Communication Systems

2010 ◽  
Vol E93-B (10) ◽  
pp. 2725-2734 ◽  
Author(s):  
Nazmat SURAJUDEEN-BAKINDE ◽  
Xu ZHU ◽  
Jingbo GAO ◽  
Asoke K. NANDI ◽  
Hai LIN
Keyword(s):  
Genetic Algorithm ◽  
Wireless Communication ◽  
Communication Systems ◽  
Ultra Wideband ◽  
Wireless Communication Systems ◽  
Wideband Wireless Communication

scholarly journals Effect of the defected microstrip structure shapes on the performance of dual-band bandpass filter for wireless communications

2021 ◽  
Vol 10 (1) ◽  
pp. 232-240
Author(s):  
Mussa Mabrok ◽  
Zahriladha Zakaria ◽  
Yully Erwanti Masrukin ◽  
Tole Sutikno ◽  
Hussein Alsariera
Keyword(s):  
Wireless Communication ◽  
Communication Systems ◽  
Bandpass Filter ◽  
Dual Band ◽  
Center Frequency ◽  
Wireless Communication Systems ◽  
Notch Band ◽  
Quarter Wavelength ◽  
Crucial Component ◽  
Microstrip Structure

Due to the progression growth of multiservice wireless communication systems in a single device, multiband bandpass filter has attract a great attention to the end user. Therefore, multiband bandpass filter is a crucial component in the multiband transceivers systems which can support multiple services in one device. This paper presents a design of dual-band bandpass filter at 2.4 GHz and 3.5 GHz for WLAN and WiMAX applications. Firstly, the wideband bandpass filter is designed at a center frequency of 3 GHz based on quarter-wavelength short circuited stub. Three types of defected microstrip structure (DMS) are implemented to produce a wide notch band, which are T-inversed shape, C-shape, and U- Shape. Based on the performance comparisons, U-shaped DMS is selected to be integrated with the bandpass filter. The designed filter achieved two passbands centered at 2.51 GHz and 3.59 GHz with 3 dB bandwidth of 15.94 % and 15.86 %. The proposed design is very useful for wireless communication systems and its applications such as WLAN and WiMAX 

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