Continuous beam-steering leaky-wave antenna based on substrate integrated waveguide

2007 ◽  
Author(s):  
Y. Weitsch ◽  
T.F. Eibert
Keyword(s):  
Beam Steering ◽  
Substrate Integrated Waveguide ◽  
Continuous Beam ◽  
Leaky Wave ◽  
Leaky Wave Antenna ◽  
Wave Antenna

scholarly journals Circular-Polarized Substrate-Integrated-Waveguide Leaky-Wave Antenna With Wide-Angle and Consistent-Gain Continuous Beam Scanning

2019 ◽  
Vol 67 (7) ◽  
pp. 4418-4428 ◽  
Author(s):  
Shu-Lin Chen ◽  
Debabrata K. Karmokar ◽  
Zheng Li ◽  
Pei-Yuan Qin ◽  
Richard W. Ziolkowski ◽  
...  
Keyword(s):  
Wide Angle ◽  
Substrate Integrated Waveguide ◽  
Continuous Beam ◽  
Leaky Wave ◽  
Beam Scanning ◽  
Leaky Wave Antenna ◽  
Wave Antenna

Design and Analysis of Full and Half Mode Substrate Integrated Waveguide Planar Leaky Wave Antenna with Continuous Beam Scanning in X-Ku Band

Frequenz ◽  
2019 ◽  
Vol 73 (5-6) ◽  
pp. 171-178 ◽  
Author(s):  
Ved Prakash ◽  
Sunita Kumawat ◽  
Priti Singh
Keyword(s):  
Characteristic Impedance ◽  
Substrate Integrated Waveguide ◽  
Continuous Beam ◽  
Leaky Wave ◽  
Beam Scanning ◽  
Paper Substrate ◽  
Maximum Gain ◽  
Leaky Wave Antenna ◽  
Wave Antenna ◽  
Frequency Changes

AbstractIn this paper, substrate-integrated waveguide (SIW) and half mode substrate integrated waveguide (HM-SIW) periodic leaky wave antennas (LWAs) are presented for the antenna applications. The continuous beam scanning (CBS) is realized by optimizing the unit cell by matching its impedance to the characteristic impedance of the waveguide. This leaky wave antenna is capable of total 60 ° scanning from −38 ° to + 22 ° as the frequency changes from 10.17 GHz to 16.3 GHz with a maximum gain of 11 dBi. Moreover, for further miniaturization, HM-SIW technology is employed in the presented LWA. This LWA is also capable of CBS from −50 ° to + 26 ° in the frequency band of 10 GHz to 16.5 GHz with a maximum gain of 12 dBi. The final prototypes of the both these antenna are fabricated and measured results are in agreement with the simulated ones.

scholarly journals CONTINUOUS BEAM SCANNING IN SUBSTRATE INTEGRATED WAVEGUIDE LEAKY WAVE ANTENNA

2017 ◽  
Vol 62 ◽  
pp. 19-28 ◽  
Author(s):  
Rahul Agrawal ◽  
Pravesh Belwal ◽  
Mahakar Singh ◽  
Suresh Chandra Gupta
Keyword(s):  
Substrate Integrated Waveguide ◽  
Continuous Beam ◽  
Leaky Wave ◽  
Beam Scanning ◽  
Leaky Wave Antenna ◽  
Wave Antenna

scholarly journals Design of Reconfigurable Antenna for 5G Applications

2021 ◽  
Vol 9 (10) ◽  
pp. 323-352
Author(s):  
Devika Mukesh
Keyword(s):  
Communication Systems ◽  
Return Loss ◽  
Beam Steering ◽  
Rapid Evolution ◽  
Surface Current ◽  
Reconfigurable Antenna ◽  
Substrate Integrated Waveguide ◽  
Leaky Wave ◽  
Leaky Wave Antenna ◽  
Wave Antenna

Abstract: With rapid evolution of wireless communication and mobile networking techniques, one of the major advancements is that fifth generation (5G) is envisioned in-order to meet the perpetual demand for greater network speed and capacity. This paper provides an overview of the design of five reconfigurable antennas for 5G wireless application is introduced by varying the substrate material used. Teflon, Taconic TLY, Rogers Ultralam 1217, Rogers RT/Duroid 5880, FR4 are the substrate materials used in designing the respective antennas. The proposed antenna designs employ a leaky-wave antenna based on half-mode substrate integrated waveguide. Since this antenna is used in 5G communication systems, the centre frequency is taken as 28.5 GHz. The length width and height of each of the antennas are designed using design procedures of rectangular patch antenna for all five substrates respectively. Each antennas are compared based on their return loss, VSWR, gain, directivity and radiation pattern respectively and an inference regarding performance of each substrate is obtained. On comparing the results of all the five antennas in the ON and OFF condition of switch, the results are found to be best in case of Rogers RT/duroid 5880 with return loss of -15.2719dB, VSWR of 1.4165, gain of 4.6dB, directivity of 4.31dB in the ON condition and with a return loss of - 13.0779dB, VSWR of 1.6893, gain of 3.4dB and directivity of 3.7dB in the OFF condition. Further by changing the switches and replaced it by conducting sheet switches for reduction of loss and were able to achieve improved results with return loss of24.5026dB, gain of 5.1dB in the ON condition and return loss of -12.6608dB and gain of 3.8dB in the OFF condition which contributed to the novelty of the project. In the proposed antennas, beam steering is obtained due to the disturbances in surface current under the influence of changing voltage bias of the switches. The technologies used make the antenna design compact provides configurability, which makes this antenna a suitable candidate for 5G applications. Keywords: 5G, reconfigurable antenna, leaky wave antenna, half mode substrate integrated waveguide, millimeter wave, beam steering

Radiation Pattern-Reconfigurable Leaky-Wave Antenna for Fixed-Frequency Beam Steering Based on Substrate-Integrated Waveguide

2019 ◽  
Vol 18 (2) ◽  
pp. 387-391 ◽  
Author(s):  
Yunjie Geng ◽  
Junhong Wang ◽  
Yujian Li ◽  
Zheng Li ◽  
Meie Chen ◽  
...  
Keyword(s):  
Radiation Pattern ◽  
Beam Steering ◽  
Substrate Integrated Waveguide ◽  
Fixed Frequency ◽  
Leaky Wave ◽  
Leaky Wave Antenna ◽  
Wave Antenna

Scanning rate enhancement in substrate integrated waveguide periodic leaky wave antenna with continuous beam scanning using delay lines

Frequenz ◽  
2020 ◽  
Vol 74 (11-12) ◽  
pp. 377-382
Author(s):  
Dhruv Chaudhary ◽  
Rahul Agrawal ◽  
Suresh C. Gupta
Keyword(s):  
Delay Line ◽  
Group Delay ◽  
Substrate Integrated Waveguide ◽  
Continuous Beam ◽  
Leaky Wave ◽  
Beam Scanning ◽  
Scanning Rate ◽  
Leaky Wave Antenna ◽  
Wave Antenna ◽  
Relative Bandwidth

AbstractIn this paper, the scanning rate (SR) is enhanced for substrate integrated waveguide (SIW) based periodic leaky wave antenna (LWA) with continuous beam scanning. Delay line is inserted in the SIW based periodic LWA to modify the group delay profile which in turn increase the SR of the SIW based periodic LWA. Addition of the delay line enhances the SR of the SIW LWA to approximately three times from 15.6° to 47° per GHz. The prototype of the proposed LWA is fabricated and experimentally measured. The simulated and measured results show that the proposed LWA scans the angular range from −30° to +27° within a frequency span of only 1.2 GHz from 14.8 to 16 GHz (relative bandwidth of 7.7 %).

Sign in / Sign up

Export Citation Format

Share Document