Wideband directional antenna system with different polarizations for wireless communication system

Dai, Xi-Wang; Zhou, Xiaoyu; Luo, Guo Qing

doi:10.1016/j.aeue.2017.03.014

Cited by 14 publications

(8 citation statements)

References 14 publications

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“…Diplexers are important blocks in microwave circuits and communication devices [1][2][3][4][5][6][7][8] like; GSM [9], GPS and WLAN [10,11], antenna [12], radars [13], multiple-frequency devices [14], Diplexers consist of three-ports, which separates input signals into two different pathways. The usual method to design and construct of diplexers is connecting filters together.…”

Section: Introductionmentioning

confidence: 99%

Design of bandpass–bandpass diplexers using rectangular-, T-, and L-shaped resonators for hybrid power amplifier and 5G applications

Tahmasbi

Razaghian

Roshani

2021

Analog Integr Circ Sig Process

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In this paper, two bandpass-bandpass diplexers, based on L-, T-and rectangular-shaped resonators are designed and analyzed, which are used to design a novel hybrid power amplifier (HPA) in 5G applications. By using the designed diplexers, the presented hybrid power amplifier structure can operate at two desired frequencies in two desired classes of operation. The equivalent circuits and transfer functions are extracted to study the behavior of the filters responses.Query However, the proposed analysis can be used to locate transmission zeros at desired frequencies, which can ease the design procedures of the diplexers at any desired frequency. The proposed HPA and diplexers are designed at 1.5 GHz and 2.1 GHz operating frequencies. To verify the results, one of the proposed diplexers is fabricated, in which the obtained measured results are in good agreement with the simulated results. The insertion losses for the fabricated diplexer are less than 0.7 dB and the isolation value is achieved better than 27 dB in the operating frequencies. The overall sizes of the proposed diplexers are about (0.165k g 9 0.198k g ) and (0.75k g 9 0.07k g ). The results of the designed HPA show that the proposed HPA has desirable specifications. The drain efficiency (DE) and power added efficiency (PAE) of the proposed HPA are 60% and 53% at 1.5 GHz operating frequency while, the DE and PAE are 65% and 51.5% at 2.1 GHz respectively.

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Section: Introductionmentioning

confidence: 99%

Design of bandpass–bandpass diplexers using rectangular-, T-, and L-shaped resonators for hybrid power amplifier and 5G applications

Tahmasbi

Razaghian

Roshani

2021

Analog Integr Circ Sig Process

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“…These effects have been analyzed for the proposed design. Many ultra‐wideband antennas have been explored for various wireless communication systems as they exhibit low profile, satisfactory gain, and good radiation pattern.…”

Section: Introductionmentioning

confidence: 99%

A compact planar antenna with extended patch and truncated ground plane for ultra wide band application

Baudha

Basak

Manocha

et al. 2019

Micro & Optical Tech Letters

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In this article, a compact broadband planar monopole microstrip patch antenna with extended patch and a truncated ground plane is proposed for ultra‐wideband application. The optimal dimensions of the proposed antenna are 20 × 20 × 1.6 mm3. The proposed antenna is fabricated on FR4 substrate that is a low‐cost commercially available substrate with εr = 4.3 and a loss tangent of 0.025. The impedance bandwidth (defined by the magnitude of S11 less than −10 dB) of the proposed antenna is 127% (3.13‐14.07 GHz). The peak gain and radiation efficiency of the proposed antenna are 3.4 dB and 78%, respectively. The proposed antenna exhibits a stable radiation pattern at the operating band. The simulated results of the proposed antenna are observed to be in agreement with the measured results when fabricated. The proposed antenna supports various frequency bands such as ultra‐wideband, 3.5/5.5 GHz WiMAX bands, 5.2/5.8 GHz WLAN bands, X Band (8‐12 GHz), satellite communication, and other wireless communication services. The proposed design and its various results have been discussed in further detail.

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“…UWB system antennas demand serious challenges to achieve wide impedance bandwidth, compact size, high gain, linear group delay, stable radiation patterns [1] [2] [3] [4] and to meet the demand for mobile, wireless communication, personal applications, the industrial medical ISM-band 2.4 GHz, LTE 2.1 GHz, the IEEE 802.11a bands (5.15 -5.35 GHz, 5.725 -5.825 GHz) HIPERLAN/2 bands (5.15 -5.35 GHz, 5.470 -5.725 GHz) which can interfere with the UWB communication systems [5] [6]. In addition, FCC in 2002 released the UWB protocol that covers the frequency range from 3.1 -10.6 GHz [1].…”

Section: Introductionmentioning

confidence: 99%

“…UWB antennas used planar microwave circuitry have generated attractive radiating structures with high gain, low weight, reliability, ease of manufacturing and integration such as the Vivaldi antennas [7] [8], and the tapered slot antenna [9]. The most suitable solution at microwave frequencies appears to be the printed planar log-periodic dipole (LPDA) [5] [6]. LPDAs have a lot of advantages, such as directive radiation pattern, linear polarization and low cross polarization ratio over a wide frequency range [5].…”

Section: Introductionmentioning

confidence: 99%

“…The most suitable solution at microwave frequencies appears to be the printed planar log-periodic dipole (LPDA) [5] [6]. LPDAs have a lot of advantages, such as directive radiation pattern, linear polarization and low cross polarization ratio over a wide frequency range [5]. At the beginning, coaxial cable is used for feeding the printed LPDAs at the radio and the TV frequency bands; however, it was found that the performance became worse when frequency increases.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Ultra-Wideband Log Periodic Dipole Antenna (LPDA) for Wireless Communication Applications

Elsheakh¹,

Abdallah²

2018

JEMAA

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This paper proposes a printed log-periodic dipole antenna (LPDA) for ultra wide bandwidth (UWB) applications. The antenna comprises of cascading four U shaped elements of different line lengths with balun circuit to improve the antenna impedance matching. The proposed antenna dimensions are 50 × 50 mm 2 with FR4 substrate thickness 0.8 mm. Full-wave EM solver HFSS (High Frequency Structure Simulator) is used for modeling the proposed antenna. The pulse distortion is verified by the measured the proposed antenna performance with virtually steady group delay. The simulation and experimental results show that the proposed antenna exhibits good impedance matching, stable radiation patterns throughout the whole operating frequency bands, acceptable gain and stable group delay over the entire operating band. An UWB extended from 1.85 GHz to 11 GHz is obtained, and the average antenna gain is about 5.5 dBi over the operating band with peak gain around 6.5 dBi and 70% average radiation efficiency.

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Wideband directional antenna system with different polarizations for wireless communication system

Cited by 14 publications

References 14 publications

Design of bandpass–bandpass diplexers using rectangular-, T-, and L-shaped resonators for hybrid power amplifier and 5G applications

Design of bandpass–bandpass diplexers using rectangular-, T-, and L-shaped resonators for hybrid power amplifier and 5G applications

A compact planar antenna with extended patch and truncated ground plane for ultra wide band application

Ultra-Wideband Log Periodic Dipole Antenna (LPDA) for Wireless Communication Applications

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