Design of a miniature dual-band bandpass filter with interlocked stepped-impedance resonators for 5G new radio access technology

Hsu, Wei‐Yen; Lyu, Pei-Yu; Chang, Sheng-Fuh

doi:10.1017/s1759078720001026

“…The channel is expected to have two simultaneous passbands covering six assigned recurrence groups in the sub-6 GHz range for fifth-age (5G) new radio access advances. This channel can handle the impedance proportion of the interlocked SIR to have two passbands at the ideal recurrence [1]. Charles et al's consolidation of fifth-age (5G) organizations into the brilliant network will make new "edge" and "haze" innovation plans of action in utilities, while empowering savvy control and mechanization.…”

Section: Related Workmentioning

confidence: 99%

Construction of Evaluation Index System of Physical Education Teaching Environment in Colleges and Universities Based on 5G Technology

Tian

¹

,

Tie

²

,

Wang

³

et al. 2022

Wireless Communications and Mobile Computing

1

0

1

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A top notch actual training climate has an indispensable main impetus for the physical and mental improvement of youths and kids and the nature of actual instruction. This paper proposes an assessment file arrangement of actual instruction showing climate in schools and colleges in light of 5G innovation, planning to fabricate an assessment list arrangement of actual training educating in the climate of 5G data innovation in the coordination stage. The technique for this paper is to concentrate on the organization energy effectiveness model, layout a framework model and 5G list demonstrating, and afterward propose a showing climate assessment review and examination strategy. The job of these strategies is to plan sensible assessment norms based on hypothetical examination. It utilizes 5G data innovation and organization effectiveness and lastly constructs a school sports ecological assessment framework. Through the poll overview, this paper comprehends what is going on of actual schooling showing climate in Chinese universities and colleges and tracks down the purposes behind its disparities and issues. This paper develops actual training climate assessment file framework, researches the game climate assessment and actual exercise direction, and afterward proposes actual instruction and assessment framework under 5G innovation. The outcomes show that in the assessment list arrangement of actual instruction showing climate in schools and colleges, the heaviness of material climate is 0.6796, demonstrating that the most dire errand for schools and colleges to further develop the actual training climate is to work on the actual climate.

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“…The filter's skirt steepness is more than 290 dB/GHz, and isolation between bands greater than 35 dB. The suggested design prototype is shown in Figure 10 Also in 2020 Hsu, Wei-Lun, et al [29] provided a compact dual-band BPF with interlocking SIRs created for 5G New Radio Access Technology. The proposed design is planned to have 0.946 GHz and 1.48 GHz resonance frequencies with Δf of 9.8% and 9.5%, respectively which cover six defined ranges in the 5G mid-band range.…”

Section: Microstrip Dual-band Bpfs For 5g Applicationsmentioning

confidence: 99%

A Survey on Microstrip Single/Multiband Bandpass Filter for 5G Applications

Khani

¹

,

Ezzulddin

²

2023

ETJ

0

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 Present various design techniques for present and future 5G applications.  Presents and discusses a comparison of alternative design techniques and layouts while focusing on the most important parameters of microstrip BPFs.  Deriving the major challenges from these reviews, which included the size, performance, and individuality of microstrip BPFs filters.For a long time, extensive research on microstrip bandpass filters has been documented to meet the standards of modern multiservice wireless communication systems. The multiband bandpass filters (BPF) are required for the receiver front end to function as a single device that caters to many bands at the same time. Planar bandpass filters are particularly promising because of their simplicity of manufacture using printed circuit technology, compactness, and low integration cost. Due to the need for high integration, low cost, and high-speed data transmission, the design and implementation of filters for fifth-generation (5G) mobile communication systems is difficult. This paper presents and discusses a detailed survey of existing research on microstrip single\multiband bandpass filter designs for fifth-generation applications, with a focus on the latest advancements in this research and the difficulties that researchers face. Various designs and techniques were given. A detailed comparison of several design techniques is presented and discussed to offer researchers the benefits and drawbacks of each technique and design that may be of interest to a certain application. Recent microstrip single/multiband BPFs are included in the surveys, which use different design techniques and achieve varying performance for current and future fifthgeneration applications.

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“…They are several kinds of filters found in the literature for electronics applications [5][6][7], and they may be grouped into three leading families: reflecting (constituted of lumped elements), notch (dissipate internally unneeded signals), and dissipation (produce losses through the use of material losses) filters. Filters can be designed using lumped components [8] or transmission lines [9,10]. Initially, transfer functions were used, especially when the microwave electronics domain was underdeveloped.…”

Section: Introductionmentioning

confidence: 99%

Four Subbands from Dual Mismatched Wideband Bandpass Filter for 5G/WAS/Wi-Fi/WiMAX/WLAN Applications

Massamba

¹

,

Mbango

²

2023

International Journal of RF and Microwave Computer-Aided Engine

1

0

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Based on the simplicity of the design method, this paper presents a new approach for developing matched subbands when splitting two mismatched dual-wideband bandpass filters (BPFs) for the fifth generation (5G), wireless access systems (WAS), wireless fidelity (Wi-Fi), worldwide interoperability for microwave access (WiMAX), wireless local area network (WLAN), radar, and other communication devices. The method’s novelty involves using identical quarter-wavelength resonators terminated by alternated short-and-open stub configurations. Both configurations alternate and describe a perfect symmetry by their location from each other to make the subbands possible in the low-frequency and its harmonic (high-frequency) bandwidths (BW). A stub admittance Y 1 is defined and associated with the mainline section characteristic impedance Z 0 and an operating frequency f 0 . A quality factor Q a p is connected to Y 1 and f 0 to approach the BPF global quality factor Q g initially fixed. The stub characteristic impedance and the mainline one differ, while electric lengths (stub and mainline section) are identical. Using the operating frequency determines physical dimensions, creates harmonic frequencies and the rejected BW, mismatches the main frequency BW, matches the subbands, and creates transmission zero (TZ). Hence, a 28.118-dB stopband that separates the two bandpasses at 9.373 GHz is made. At the same time, the unmatched dual ultrawideband (UWB) covers a large panel of communication systems. The lowest (3.146–5.431) and highest (11.891–14.749) GHz BW exhibit a minimum insertion loss (IL) of 0.656 dB and 3.027 dB. The subbands return losses (RL) are better than 28 dB and 19 dB, respectively, and a flat group delay of 0.205 ns is obtained in the upper band. All subbands adaptation methodology is read from 10 dB of the RL. In that case, the four matched subbands in its lower wideband are 3.327–3.709 GHz and 4.442–5.048 GHz, and in its higher wideband are 11.922–12.486 GHz and 14.281–14.653 GHz. The 2275/2858 MHz is the dual-wideband with a fractional BW 53.282/21.456%. The fabricated prototype has validated the EM-simulations, and Anritsu MS4642B 20 GHz vector network analyzer (VNA) has been used for experimental results by scanning the frequency range 3 GHz–15 GHz. The tested prototype is made with a 1 mm FR4 HTG-175 thickness by considering a dielectric constant of 4.4, and its overall size occupies 22.45 × 5.72 m m 2 ( 0.32 λ 0 × 0.082 λ 0 mm 2 ).

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Design of a miniature dual-band bandpass filter with interlocked stepped-impedance resonators for 5G new radio access technology

Cited by 8 publications

References 10 publications

Construction of Evaluation Index System of Physical Education Teaching Environment in Colleges and Universities Based on 5G Technology

Construction of Evaluation Index System of Physical Education Teaching Environment in Colleges and Universities Based on 5G Technology

A Survey on Microstrip Single/Multiband Bandpass Filter for 5G Applications

Four Subbands from Dual Mismatched Wideband Bandpass Filter for 5G/WAS/Wi-Fi/WiMAX/WLAN Applications

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