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A novel wideband ring antenna for polarization/pattern diversity Correspondence

Li SUN, Shigang ZHOU, Guanxi ZHANG, Baohua SUN

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 6,   Pages 975-983 doi: 10.1631/FITEE.2100421

Abstract:

We present a novel wideband ring antenna for polarization/pattern diversity. The proposed antenna consists of eight printed dipole elements in the form of a circular array. The arms of adjacent elements overlap for capacitive loading. Unlike traditional circular arrays, a method of exciting elements in the form of every two intervals is first introduced. We prove that this method can maintain the wideband characteristics of the antenna. Four independent feeding ports in a ring antenna aperture are designed for the polarization/pattern diversity with suitable feeding networks. As an example, a wideband dual-polarized antenna was designed based on the proposed ring antenna. To achieve two orthogonal linear polarizations with maximum radiation in the direction, two adjacent elements are extracted periodically to feed through one port. The differential feeding network and integrated Baluns have been designed to realize broadside radiation patterns, considering impedance and phase matching. Because the proposed antenna is hollow, it is a good candidate for a multiband sharing aperture antenna element. Results show that the proposed antenna has an overlapped bandwidth of 50.5% (1.04–1.82 GHz) with voltage standing wave ratio (VSWR)<2 for the two polarizations, and port isolation less than 23 dB. The measured realized gain ranges from 6.1 to 8.1 dBi, with stable broadside radiation patterns over the operating frequency band.

Keywords： 环形天线；宽带天线；极化分集；方向图分集    

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Miniaturized UWB multi-resonance patch antenna loaded with novel modified H-shape SRR metamaterial for microspacecraft applications Article

Parul DAWAR, N. S. RAGHAVA, Asok DE

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 11,   Pages 1883-1891 doi: 10.1631/FITEE.1601193

Abstract: We present the design and analysis of a novel modified H-shaped split ring resonator (SRR) metamaterial. It has negative permeability and permittivity characteristics with multi-band resonance for the X, Ku, and Ka frequency bands. Different configurations of the patch antenna have been analyzed with different orientations and positions of the metamaterial. Optimized performance was achieved with the new shape of the metamaterial antenna with an appreciable 9 dB gain, 77 GHz bandwidth, 100% radiation efficiency, and 65% reduction in active area. The second-order fractal metamaterial antenna achieves high min-iaturization on the order of 1/21. This is truly a boon in the communications world, as a sharp beam with smaller physical di-mensions is urgently required.

Keywords： Ultra-wideband (UWB)     Antenna     Metamaterial    

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Dispersion-engineered wideband low-profile metasurface antennas Review Articles

Wei E. I. LIU, Zhi Ning CHEN, Xianming QING

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 1,   Pages 27-38 doi: 10.1631/FITEE.1900473

Abstract: A metasurface (MTS) can be characterized in terms of dispersion properties of guided waves and surface waves. By engineering the rich dispersion relations, setting particular boundary conditions, and selecting proper excitation schemes, multiple adjacent resonance modes can be excited to realize the wideband operation of low-profile MTS antennas. We introduce the op-erating principles of typical dispersion-engineered MTS antennas, and review the recent progress in dispersion-engineered MTS antenna technology. The miniaturization, circular polarization, beam-scanning, and other functionalities of MTS antennas are discussed. The recent development of MTS antennas has not only provided promising solutions to the wideband and low-profile antenna design but also proven great potential of MTS in developing innovative antenna technologies.

Keywords： Metasurface antenna     Dispersion engineering     Composite right/left-handed (CRLH)     Guided wave     Surface wave     Wideband     Low profile    

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A compact ultra-wideband crossed-dipole antenna for 2G/3G/4G/IMT/5G customer premise equipment applications Correspondences

Jingli GUO, Lun CUI, Ying LIU, Baohua SUN, Xiaofeng LI,guojl@xidian.edu.cn,ID_CLXX@163.com

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 2,   Pages 339-345 doi: 10.1631/FITEE.2000456

Abstract: A compact ultra-wideband crossed-dipole antenna is proposed for 2G/3G/4G/IMT/5G customer premise equipment (CPE) applications. The arms of the crossed-dipole antenna are formed by step-shaped patches, and a wideband operation can be realized by properly selecting the order of the step-shaped patches; its bandwidth can be further enhanced by extending the end of crossed dipole downward. Each dipole is excited by a microstrip stub that is directly connected to a coaxial cable. Furthermore, a slotted rectangular parasitic patch is added beneath the crossed dipoles to further support a 5G sub-6-GHz band without additional space cost. The test results for the prototype of the proposed antenna show that the crossed-dipole antenna has a bandwidth of 147.3% (0.77–5.07 GHz) for return loss lower than 10 dB and an isolation higher than 20 dB between two ports.

Keywords： 5G；交叉振子；双极化天线；终端天线；超宽带    

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Wideband and high-gain BeiDou antenna with a sequential feed network for satellite tracking Research Article

Zhuolin DENG, Zhongyu TIAN, Chenhe DUAN, Pei XIAO, Zhu LIU, Gaosheng LI,Gaosheng7070@vip.163.com

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 10,   Pages 1471-1481 doi: 10.1631/FITEE.2200244

Abstract: BeiDou-3 navigation satellite system was officially opened in 2020. While bringing high-performance services to people around the world, the navigation system requires well-designed s. In this paper, we propose a wideband circularly polarized high-performance . The antenna realizes through a , and the phase imbalance of the feed network from 1.05 to 1.80 GHz is less than 7°. The manufactured antenna demonstrates a return loss of more than 13 dB and an axial ratio3 dB over the entire global navigation satellite system (GNSS) frequency band. The right-handed circular polarization (RHCP) gain of the proposed antenna is greater than 4 dB in the GNSS low-frequency band and can reach more than 7.1 dB in the high-frequency band. Dimension of the proposed antenna is 120 mm×120 mm×20 mm, i.e., 0.54×0.54×0.09, where is the wavelength of the center frequency. The proposed antenna connected to a GNSS receiver has tracked 12 BeiDou satellites with ratios of GNSS signals greater than 30 dB. Such a high-performance antenna provides a basis for high-quality positioning services.

Keywords： BeiDou antenna     Wideband circularly polarized radiation     Four-port sequential feed network     Global navigation satellite system (GNSS) receiver     Satellite tracking    

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Performance enhancement for antipodal Vivaldi antenna modulated by a high-permittivity metasurface lens Research Article

Shaopeng Pan, Mingtuan Lin, Lin Qi, Pan Chen, Yang Feng, Gaosheng Li,Gaosheng7070@vip.163.com

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 12,   Pages 1551-1684 doi: 10.1631/FITEE.2100139

Abstract: A metasurface unit is designed operating at 2–20 GHz to enhance the gain and radiation performance of an . The unit has a simple structure, stable performance, high permittivity, and can independently modulate two polarization modes electromagnetic waves. We analyze the current distribution on the unit and extract equivalent characteristic parameters to verify the ability of independent modulation on two polarization modes electromagnetic waves. The designed metasurface unit is integrated into the aperture of the AVA and forms the for guiding the propagation of electromagnetic waves. Two types of ML are proposed and integrated into the AVA to design antennas Ant1 and Ant2. The modulation effect of the lens on the electromagnetic wave is analyzed from the perspective of electric field amplitude and phase, and the final design is obtained. From the optimized design results, the AVA and the proposed Ant2 are fabricated and measured, and the measurement results are in good agreement with the simulation ones. The impedance bandwidth measured by Ant2 basically covers the 2–18 GHz frequency band. Compared with the conventional AVA, the gain of the proposed Ant2 is increased by 0.6–3.7 dB, the sidelobe level is significantly reduced, and the directivity has also been clearly improved.

Keywords： 对跖Vivaldi天线；超宽带；高介电常数；双极化；超表面透镜    

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A dual-polarized Fabry–Pérot antenna with high gain and wide bandwidth for millimeter-wave applications

Qingyi Guo, Hang Wong,guo_qingyi@163.com,hang.wong@cityu.edu.hk

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 4,   Pages 599-608 doi: 10.1631/FITEE.2000514

Abstract: We introduce a dual-polarized (DP) rot cavity (FPC) antenna operating at the millimeter-wave (mmWave) frequency band with and characteristics. A DP feeding source and a partially reflective surface (PRS) integrated with a Fresnel zone lens are suggested to realize dual-polarization wave radiation over a wide impedance bandwidth. The feeding source provides vertical and horizontal polarizations while keeping high isolation between the two polarizations. PRS is used to realize Fabry cavity to produce a directive beam radiation. The integrated Fresnel zone rings are introduced for phase correction, leading to a significant gain enhancement for the antenna. For verification, a 60-GHz FPC antenna prototype with DP radiation is designed and fabricated with measurement results. It consists of a feeding source, a PRS integrated with a Fresnel zone lens, a quasi-curved reflector, and four three-dimensional printed supporters. The results illustrate that the peak gains of vertical and horizontal polarizations are 18.4 and 17.6 dBi, respectively. The impedance matching bandwidth for the two polarizations is 14%. The performance ensures that the proposed DP FPC antenna is a promising candidate for the fifth-generation wireless communication systems in the mmWave band.

Keywords： 双极化；法布里—珀罗腔天线；与菲涅耳带透镜集成的部分反射面；毫米波波段；高增益；宽带    

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Integrated 60-GHz miniaturized wideband metasurface antenna in a GIPD process Research Articles

Hai-yang XIA, Jin-can HU, Tao ZHANG, Lian-ming LI, Fu-chun ZHENG

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 1,   Pages 174-181 doi: 10.1631/FITEE.1900453

Abstract: We propose a miniaturized wideband metasurface antenna for 60-GHz antenna-in-package applications. With the glass integrated passive device manufacturing technology, we introduce a coplanar-waveguide-fed (CPW-fed) ring resonator to char-acterize the material properties of the glass substrate. The proposed antenna is designed on a high dielectric constant glass substrate to achieve antenna miniaturization. Because of the existence of gaps between patch units compared with the conventional rec-tangular patch in the TM10 mode, the radiation aperture of this proposed antenna is reduced. Located right above the center feeding CPW-fed bow-tie slot, the metasurface patch is realized, supporting the TM10 mode and antiphase TM20 mode simultaneously to improve the bandwidth performance. Using a probe-based antenna measurement setup, the antenna prototype is measured, demonstrating a 10-dB impedance bandwidth from 53.3 to 67 GHz. At 60 GHz, the antenna gain measured is about 5 dBi in the boresight direction with a compact radiation aperture of 0.31λ0×0.31λ0 and a thickness of 0.06λ0.

Keywords： 60 GHz     Antenna-in-package (AiP)     Coplanar-waveguide-fed (CPW-fed) ring resonators     Glass integrated passive device (GIPD)     Metasurface antenna     Miniaturized antenna    

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COPPER: a combinatorial optimization problem solver with processing-in-memory architecture Correspondence

Yitong YAO, Gang DONG, Zhangming ZHU, Yintang YANG,19111110564@stu.xidian.edu.cn,gdong@xidian.edu.cn,zhangmingzhu@xidian.edu.cn,ytyang@xidian.edu.cn

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 5,   Pages 759-766 doi: 10.1631/FITEE.2200398

Abstract: We present a novel broadband circularly polarized (CP) antenna with filtering effect for X- and Ku-band satellite wireless communication. The structure comprises a driven layer (also a filtering layer) and a stacked layer (also a CP layer). The bandpass filtering response consists of two radiation nulls, which is the combined effect of a substrate integrated waveguide (SIW) cavity-backed aperture and embedded driven patch. The chamfered patch is introduced as the stacked component with the ability to achieve CP and widen the operating bandwidth. A prototype with a compact layout of 0.8λ×0.71λ×0.16λ is fabricated using a multilayer printed circuit board (PCB) process for demonstration. Experimental results are in good agreement with the simulation results, and show that the measured -10-dB impedance bandwidth and 3-dB axial ratio (AR) bandwidth are 10.83% and 15.54%, respectively. In addition, a peak gain of 8.9 dBic for left-hand circular polarization (LHCP), an average in-band gainLHCP > 7 dBic, and good frequency selectivity are obtained.

Keywords： 圆极化；滤波效应；贴片天线；衬底集成波导    

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Analysis and design of novel wideband and high efficiency millimeter-wave antenna arrays for 60-GHz applications Research Articles

Kai-lai WU, Yuan YAO, Xiao-he CHENG, Jun-sheng YU, Tao YU, Xiao-dong CHEN

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 1,   Pages 128-143 doi: 10.1631/FITEE.1900461

Abstract: A type of millimeter-wave antenna array with flexible design is proposed for a variety of applications at 60 GHz. The antenna array can be adjusted to be linearly or circularly polarized by simply changing the radiation part of the antenna array. High gain, wideband, and high radiation efficiency characteristics can be achieved by adopting a low insertion loss feeding network and broadband antenna elements. For the linearly polarized antenna array, simulation results show that the impedance bandwidth of the 2×2 antenna subarray reaches 21.6%, while the maximum gain achieves 15.1 dBi and has a fluctuation of less than 0.4 dBi within the working bandwidth. Simulation results of the 8×8 linearly polarized antenna array show a bandwidth of 21.6% and a gain of (26.1±1) dBi with an antenna efficiency of more than 80%. For the 8×8 circularly polarized antenna array, simulation results show that an impedance bandwidth of 18.2% and an axial ratio (AR) bandwidth of 13.3% are obtained. Gain and efficiency of up to 27.6 dBi and 80% are achieved, respectively. A prototype of antenna array is fabricated, and results are compared and analyzed.

Keywords： 60 GHz     Antenna array     Linearly polarized     Circularly polarized     Millimeter-wave    

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A Polarization Programmable Antenna Array Article

Dingzhao Chen, Yanhui Liu, Ming Li, Pan Guo, Zhuo Zeng, Jun Hu, Y. Jay Guo

Engineering 2022, Volume 16, Issue 9,   Pages 100-114 doi: 10.1016/j.eng.2022.03.015

Abstract:

Reconfigurable antennas are becoming a major antenna technology for future wireless communications and sensing systems. It is known that, with a single linear polarization (LP) reconfigurable antenna element, a preferred polarization can be produced from a set of multiple polarization states, thus improving the quality of the communication link. This paper presents a new concept of a polarization programmable reconfigurable antenna array that consists of a number of polarization reconfigurable antenna elements with a finite number of possible polarization states. By employing a new optimization strategy and programming the polarization states of all the array elements, we demonstrate that it is possible to realize any desired LP in the vectorial array radiation pattern with accurate control of sidelobe and crosspolarization levels (XPLs), thereby achieving the desired polarization to perfectly match that of the required communications signal. Both numerical and experimental results are provided to prove the concept, and they agree well with each other.

Keywords： 阵列天线     极化可编程天线     可重构天线    

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Ka-band broadband filtering packaging antenna based on through-glass vias (TGVs) Research Article

Zhen FANG, Jihua ZHANG, Libin GAO, Hongwei CHEN, Wenlei LI, Tianpeng LIANG, Xudong CAI, Xingzhou CAI, Weicong JIA, Huan GUO, Yong LI,zhenfang@std.uestc.edu.cn,jhzhang@uestc.edu.cn

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 6,   Pages 916-926 doi: 10.1631/FITEE.2200573

Abstract: This work presents a novel design of Ka-band (33 GHz) that features broadband and great filtering response, and is based on glass packaging material and through-glass via (TGV) technologies. Compared to traditional packaging materials (printed circuit board, low temperature co-fired ceramic, Si, etc.), TGVs are more suitable for miniaturization (millimeter-wave three-dimensional (3D) packaging devices) and have superior microwave performance. Glass substrate can realize 3D high-density interconnection through bonding technology, while the coefficient of thermal expansion (CTE) matches that of silicon. Furthermore, the stacking of glass substrate enables high-density interconnections and is compatible with micro-electro-mechanical system technology. The proposed antenna radiation patch is composed of a patch antenna and a bandpass filter (BPF) whose reflection coefficients are almost complementary. The BPF unit has three pairs of /4 slots (defect microstrip structure, DMS) and two /2 U-shaped slots (defect ground structure, DGS). The proposed antenna achieves large bandwidth and high radiation efficiency, which may be related to the stacking of glass substrate and TGV feed. In addition, the introduction of four radiation nulls can effectively improve the suppression level in the stopband. To demonstrate the performance of the proposed design, a 33-GHz broadband filtering antenna is optimized, debugged, and measured. The antenna could achieve ||<-10 dB in 29.4‒36.4 GHz, and yield an impedance matching bandwidth up to 21.2%, with the stopband suppression level at higher than 16.5 dB. The measurement results of the proposed antenna are a realized gain of ~6.5 dBi and radiation efficiency of ~89%.

Keywords： Filtering packaging antenna (FPA)     Through-glass vias (TGVs)     3D packaging devices     Laser bonding    

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Filtering antennas: from innovative concepts to industrial applications Review Articles

Yun-fei CAO, Yao ZHANG, Xiu-yin ZHANG

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 1,   Pages 116-127 doi: 10.1631/FITEE.1900474

Abstract: A filtering antenna is a device with both filtering and radiating capabilities. It can be used to reduce the cross-band mutual coupling between the closely spaced elements operating at different frequency bands. We review the authors’ work on filtering antenna designs and three related dual-band base-station antenna arrays as application examples. The filtering antenna designs include single- and dual-polarized filtering patch antennas, a single-polarized omni-directional filtering dipole antenna, and a dual-polarized filtering dipole antenna for the base station. The filtering antennas in this paper feature an innovative concept of eliminating extra filtering circuits, unlike other available antennas. For each design, the filtering structure is finely integrated with the radiators or feeding lines. As a result, the proposed designs have the advantages of compact size, simple structure, good in-band radiation performance, and low levels of loss, and do not contain complicated filtering circuits. Based on the proposed filtering antennas, single- and dual-polarized dual-band antenna arrays were developed. Separate antenna elements at different frequency bands were used to achieve the dual-band performance. The cross-band mutual couplings between the elements at different bands were reduced substantially using the antenna inherent filtering performance. The dual-band arrays exhibited better performance as compared to typical industrial products. Some of the proposed technologies have been transferred into the industry.

Keywords： Filtering antenna     Dual-band     Antenna array    

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Antenna-in-package system integrated with meander line antenna based on LTCCtechnology

Gang DONG,Wei XIONG,Zhao-yao WU,Yin-tang YANG

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 1,   Pages 67-73

Abstract:

We present an antenna-in-package system integrated with a meander line antenna based on low temperature co-fired ceramic (LTCC) technology. The proposed system employs a meander line patch antenna, a packaging layer, and a laminated multi-chip module (MCM) for integration of integrated circuit (IC) bare chips.A microstrip feed line is used to reduce the interaction between patch and package. To decrease electromagnetic coupling, a via hole structure is designed and analyzed. The meander line antenna achieved a bandwidth of 220 MHz with the center frequency at 2.4 GHz, a maximum gain of 2.2 dB, and a radiation efficiency about 90% over its operational frequency. The whole system, with a small size of 20.2 mm×6.1 mm×2.6 mm, can be easily realized by a standard LTCC process. This antenna-in-package system integrated with a meander line antenna was fabricated and the experimental results agreed with simulations well.

Keywords： Antenna-in-package (AiP)     Meander line antenna     Multi-chip module (MCM)     Low temperature co-fired ceramic (LTCC)    

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MIMO handset antenna for 5G/WLAN applications Correspondences

Yong CHENG, Jing LU, Bing-qing SHENG

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 1,   Pages 182-187 doi: 10.1631/FITEE.1900478

Abstract: We propose a dual-module multiple-input multiple-output (MIMO) antenna for portable terminals. The operating bands of the handheld terminal antenna are 5G (3.4–3.8 GHz) and WLAN (5.150–5.925 GHz). Antenna elements of 5G and WLAN are spaced to reduce coupling between antenna elements in the same module. The return loss of all antenna elements is larger than 6 dB. The isolation between all elements is larger than 14 dB. The radiation efficiency of the high-frequency antenna is greater than 50%, and the radiation efficiency of the low-frequency antenna is greater than 40%. The far-field gain of all elements is greater than 2.2 dBi.

Keywords： Fifth-generation (5G)     Handset antenna     Multiple-input multiple-output (MIMO) antenna     Decouple    

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Title Author Date Type Operation

A novel wideband ring antenna for polarization/pattern diversity

Li SUN, Shigang ZHOU, Guanxi ZHANG, Baohua SUN

Journal Article

Miniaturized UWB multi-resonance patch antenna loaded with novel modified H-shape SRR metamaterial for microspacecraft applications

Parul DAWAR, N. S. RAGHAVA, Asok DE

Journal Article

Dispersion-engineered wideband low-profile metasurface antennas

Wei E. I. LIU, Zhi Ning CHEN, Xianming QING

Journal Article

A compact ultra-wideband crossed-dipole antenna for 2G/3G/4G/IMT/5G customer premise equipment applications

Jingli GUO, Lun CUI, Ying LIU, Baohua SUN, Xiaofeng LI,guojl@xidian.edu.cn,ID_CLXX@163.com

Journal Article

Wideband and high-gain BeiDou antenna with a sequential feed network for satellite tracking

Zhuolin DENG, Zhongyu TIAN, Chenhe DUAN, Pei XIAO, Zhu LIU, Gaosheng LI,Gaosheng7070@vip.163.com

Journal Article

Performance enhancement for antipodal Vivaldi antenna modulated by a high-permittivity metasurface lens

Shaopeng Pan, Mingtuan Lin, Lin Qi, Pan Chen, Yang Feng, Gaosheng Li,Gaosheng7070@vip.163.com

Journal Article

A dual-polarized Fabry–Pérot antenna with high gain and wide bandwidth for millimeter-wave applications

Qingyi Guo, Hang Wong,guo_qingyi@163.com,hang.wong@cityu.edu.hk

Journal Article

Integrated 60-GHz miniaturized wideband metasurface antenna in a GIPD process

Hai-yang XIA, Jin-can HU, Tao ZHANG, Lian-ming LI, Fu-chun ZHENG

Journal Article

COPPER: a combinatorial optimization problem solver with processing-in-memory architecture

Yitong YAO, Gang DONG, Zhangming ZHU, Yintang YANG,19111110564@stu.xidian.edu.cn,gdong@xidian.edu.cn,zhangmingzhu@xidian.edu.cn,ytyang@xidian.edu.cn

Journal Article

Analysis and design of novel wideband and high efficiency millimeter-wave antenna arrays for 60-GHz applications

Kai-lai WU, Yuan YAO, Xiao-he CHENG, Jun-sheng YU, Tao YU, Xiao-dong CHEN

Journal Article

A Polarization Programmable Antenna Array

Dingzhao Chen, Yanhui Liu, Ming Li, Pan Guo, Zhuo Zeng, Jun Hu, Y. Jay Guo

Journal Article

Ka-band broadband filtering packaging antenna based on through-glass vias (TGVs)

Zhen FANG, Jihua ZHANG, Libin GAO, Hongwei CHEN, Wenlei LI, Tianpeng LIANG, Xudong CAI, Xingzhou CAI, Weicong JIA, Huan GUO, Yong LI,zhenfang@std.uestc.edu.cn,jhzhang@uestc.edu.cn

Journal Article

Filtering antennas: from innovative concepts to industrial applications

Yun-fei CAO, Yao ZHANG, Xiu-yin ZHANG

Journal Article

Antenna-in-package system integrated with meander line antenna based on LTCCtechnology

Gang DONG,Wei XIONG,Zhao-yao WU,Yin-tang YANG

Journal Article

MIMO handset antenna for 5G/WLAN applications

Yong CHENG, Jing LU, Bing-qing SHENG

Journal Article