Design of Compact mm-wave Tunable Filtenna Using Capacitor Loaded Trapezoid Slots in Ground Plane for 5G Router Applications

Mahmoud, Korany R.; Montaser, Ahmed M.

doi:10.1109/access.2020.2971606

Cited by 19 publications

(12 citation statements)

References 24 publications

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“…In summary, without a need for extra filtering circuits, the design presented in [71] offers a new solution for current and future filtering antenna designs. Additionally, many reconfigurable microstrip filter-antenna structures have been presented and discussed [72][73][74][75][76][77][78][79][80][81][82][83][84][85][86]. In [79], a multiband tunable filter cascaded with a monopole antenna for cognitive radio communications is presented.…”

Section: Microstrip Filter-antenna (Filtenna) Integrationmentioning

confidence: 99%

A Survey on Reconfigurable Microstrip Filter–Antenna Integration: Recent Developments and Challenges

Al‐Yasir

Parchin

et al. 2020

Electronics

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Reconfigurable and tunable radio frequency (RF) and microwave (MW) components have become exciting topics for many researchers and design engineers in recent years. Reconfigurable microstrip filter–antenna combinations have been studied in the literature to handle multifunctional tasks for wireless communication systems. Using such devices can reduce the need for many RF components and minimize the cost of the whole wireless system, since the changes in the performance of these applications are achieved using electronic tuning techniques. However, with the rapid development of current fourth-generation (4G) and fifth-generation (5G) applications, compact and reconfigurable structures with a wide tuning range are in high demand. However, meeting these requirements comes with some challenges, namely the increased design complexity and system size. Accordingly, this paper aims to discuss these challenges and review the recent developments in the design techniques used for reconfigurable filters and antennas, as well as their integration. Various designs for different applications are studied and investigated in terms of their geometrical structures and operational performance. This paper begins with an introduction to microstrip filters, antennas, and filtering antennas (filtennas). Then, performance comparisons between the key and essential structures for these aspects are presented and discussed. Furthermore, a comparison between several RF reconfiguration techniques, current challenges, and future developments is presented and discussed in this review. Among several reconfigurable structures, the most efficient designs with the best attractive features are addressed and highlighted in this paper to improve the performance of RF and MW front end systems.

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Section: Microstrip Filter-antenna (Filtenna) Integrationmentioning

confidence: 99%

A Survey on Reconfigurable Microstrip Filter–Antenna Integration: Recent Developments and Challenges

Al‐Yasir

Parchin

et al. 2020

Electronics

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“…Therefore, the use of an antenna array becomes a necessity to steer directional beam patterns consistent to high gain for multi-gigabit per second data rates [6]. Furthermore, an imperative need appears to realize circular polarization (CP) phased array antennas to enhance the efficiency of mm-wave reception and transmission [7,8].…”

Section: Introductionmentioning

confidence: 99%

The Performance of Circularly Polarized Phased Sub-Array Antennas for 5g Laptop Devices Investigating the Radiation Effects

Mahmoud¹,

Baz²,

Alhakami³

et al. 2021

PIER C

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In this paper, the performance of circularly polarized (CP) adaptive sub-arrays integrated into 5G laptop device is investigated in the presence of a whole-body human phantom model. In addition, the radiation effect of the steered beam patterns has been analyzed by calculating the specific absorption rate distribution and temperature rise. In this target, a single-feed CP antenna element has been firstly designed to resonate at 28 GHz with high realized gain and radiation efficiency. Then, 4 subarrays have been constructed in a rectangular configuration with four-elements for each sub-array. To let the study more realistic, a complete human model is considered to investigate the radiation effects. The measured reflection coefficient and realized gain results of the designed antenna element are found to be −30 dB and 7.82 dB, respectively, in the assigned frequency band. Likewise, the antennas sub-arrays have approximately kept the same impedance matching attitude with high insertion loss of −22 dB and a realized gain and radiation efficiency of 16.85 dB and 86%, respectively, on average. Furthermore, the sub-arrays scan patterns and coverage efficiency have been studied considering the existence of the human body in different scenarios. Regarding the RF exposure, the results show that the resultant maximum values of specific absorption rate and power density do not exceed 1.52 W/kg and 3.5 W/m 2 , respectively, whereas the maximum exposure temperature in such a case is less than 2.8 • C after 30 minutes and decreases to 0.5 • C after a penetration depth of 3 mm which reflects the possibility of safe use.

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“…For the filter-antenna with adjustable bandwidth, in previous studies, the bandwidth adjustable is the use of discrete bandwidth switching, [7][8][9][10] but less continuous bandwidth adjust-ment is achieved. As in Reference 11, the filterantenna have a fixed bandwidth to achieve continuous adjustment of the CF.…”

Section: Introductionmentioning

confidence: 99%

Fully tunable filter‐antenna with microstrip and quarter‐mode substrate‐integrated waveguide hybrid structure

You

Cheng

2021

Micro & Optical Tech Letters

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This letter proposed a filter-antenna with continuously adjustable center frequency and bandwidth. The proposed filter-antenna employs a hybrid structure of a microstrip and quarter-mode substrate-integrated waveguide (QSIW). The simulation and test results show that the CF of the filter-antenna can be continuously tuned between 1.35GHz and 1.472GHz, and the 10-dB BW is continuously tuned between 30 MHz-104 MHz. The simulated antenna radiation pattern can maintain good stability in the adjustable range.

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Design of Compact mm-wave Tunable Filtenna Using Capacitor Loaded Trapezoid Slots in Ground Plane for 5G Router Applications

Cited by 19 publications

References 24 publications

A Survey on Reconfigurable Microstrip Filter–Antenna Integration: Recent Developments and Challenges

A Survey on Reconfigurable Microstrip Filter–Antenna Integration: Recent Developments and Challenges

The Performance of Circularly Polarized Phased Sub-Array Antennas for 5g Laptop Devices Investigating the Radiation Effects

Fully tunable filter‐antenna with microstrip and quarter‐mode substrate‐integrated waveguide hybrid structure

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