[vc_empty_space][vc_empty_space]
Design and realization of passive phase shifter for non mechanical 1.8 GHz BTS antenna tilting
Agung T.A.P.a, Suryana J.a
a Radio Telecommunication and Microwave Laboratory, School of Electrical Engineering and Informatics, Institut Teknologi Bandung, Indonesia
[vc_row][vc_column][vc_row_inner][vc_column_inner][vc_separator css=”.vc_custom_1624529070653{padding-top: 30px !important;padding-bottom: 30px !important;}”][/vc_column_inner][/vc_row_inner][vc_row_inner layout=”boxed”][vc_column_inner width=”3/4″ css=”.vc_custom_1624695412187{border-right-width: 1px !important;border-right-color: #dddddd !important;border-right-style: solid !important;border-radius: 1px !important;}”][vc_empty_space][megatron_heading title=”Abstract” size=”size-sm” text_align=”text-left”][vc_column_text]In a cellular telecommunication, BTS becomes the important component. BTS antenna must have a good tilting control capability to optimize their coverage. Tilting is the ability of an antenna to focus the main lobe to the direction that is wanted. Many of techniques had been developed by many researchers to have tilting control capability. In this paper, we propose a low cost technique that can make tilting becomes easy and cheap using passive phase shifter. By applying higher permittivity to cover each branch of transmission line of the array antenna from Alumina, a non mechanical tilting control can be provided. The 1.8 GHz BTS antenna with 4 elements array is designed. This antenna is designed with meander microstrip line and 0.4 γ spacing. The dielectric material is alumina with permittivity 9.4. In this paper, the characteristic of several dielectric materials with different permittivity are also investigated to look the effects of changing some parameters. But at the implementation stage, we choosed only alumina as passive phase shifter component. The antenna has been implemented on an FR-4 Epoxy PCB. From the simulation and measurement results we can concluded that small Alumina sheet can be used as low cost passive phase shifter to give 0°-3.5° tilting control. Moreover, these Alumina sheets which cover the transmission lines of the array antenna will also enhance the return loss of the array antenna. © 2012 IEEE.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Author keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Array antennas,BTS,meander,Passive phase,permitivity[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Indexed keywords” size=”size-sm” text_align=”text-left”][vc_column_text]array antenna,BTS,meander,passive phase shifter,permitivity[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Funding details” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”DOI” size=”size-sm” text_align=”text-left”][vc_column_text]https://doi.org/10.1109/TSSA.2012.6366056[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/4″][vc_column_text]Widget Plumx[/vc_column_text][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row][vc_column][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][/vc_column][/vc_row]