Explanipedia

K/Ka-band compact low-profile dual differential-fed split ring resonator magnetic-dipole antenna with UWB-frequency-tuning and broad scanning capabilities Open

Amir Reza Dastkhosh, ZhongXiang Zhang, Mehdi Naseh, Véronique Moeyaert, Fujiang Lin · 2025

A unique split ring resonator magnetic-dipole (SRR-MD) patch antenna is proposed in this paper. The dual differential-fed SRR-MD antenna boasts a high gain of 8 dB and, in contrast to comparable designs, provides a more compact and low-pro…

IEEE SSCS USTC Student Branch Chapter Activities [Chapters] Open

Muhammad Hunain Memon, Fujiang Lin · 2023

Provides society information that may include news, reviews or technical notes that should be of interest to practitioners and researchers.

The IEEE SSCS-USTC Student Branch Chapter Hosts a Distinguished Lecture by Prof. Boon Siew Ooi [Chapters] Open

Muhammad Hunain Memon, Huabin Yu, Fujiang Lin · 2023

Provides society information that may include news, reviews or technical notes that should be of interest to practitioners and researchers.

ICICM 2022 Author Index Open

Aleksandra Stefanovska, Andrew S. Wells, Ankang Ding, Anping He, Anping Qiu , et al. · 2022

A compressed sensing approach for antenna array calibration Open

Akinwale Fadamiro, Fujiang Lin · 2022

This paper presented a compressive sensing (CS) calibration technique that simultaneously measures all the element excitations of a 2×2 active phased antenna array (APAA) instantaneously. The power patterns of the rectangular 2×2 APAA elem…

TV-based Phased Array System Design in BTSs for 5G/IoT Applications Open

Amir Reza Dastkhosh, Mehdi Naseh, Davide Dardari, Fujiang Lin · 2022

Cellular UHF (Ultra High Frequency) transceiver networks and base transceiver station antenna systems comprise high power phase shifters for changing and adjusting the phases or delays of high-power transmitting signals delivered to antenn…

On Channel Estimation in LTE-Based Downlink Narrowband Internet of Things Systems Open

Md. Khalid Hossain Jewel, Rabiu Sale Zakariyya, Fujiang Lin · 2021

Narrowband Internet of Things (NB-IoT) systems were specified by 3GPP in release 13 as a low power wide area network (LPWAN) technology to operate with a very narrow bandwidth of 180 kHz only. Due to fragile radio signal operating conditio…

An Intrinsic Small-Signal Equivalent Circuit Model for AlGaN/GaN HEMT Considering the Momentum Balance Equation Open

Yi Pei, Amgad A. Al‐Saman, Chengong Yin, E. A. Ryndin, Fujiang Lin · 2021

High-frequency dispersion of the AlGaN/GaN HEMT output resistance has been investigated. Using the electron momentum balance equation, we demonstrated that the deviation of the dynamic drift velocity from its static value could be consider…

IEEE SSCS USTC Student Branch Chapter Hosts Invited Lecturer, Dr. Zhiyuan Chen [Chapters] Open

Muhammad Hunain Memon, Fujiang Lin, C. Patrick Yue · 2021

Presents information on various USTC/SSCS Society chapters.

On Efficient DCT Type-I Based Low Complexity Channel Estimation for Uplink NB-IoT Systems Open

Md. Sadek Ali, Md. Shariful Islam, Muhammad Asif, Wali Ullah Khan, Fujiang Lin , et al. · 2021

Channel estimation is a challenging and timely issue for the 3rd Generation Partnership Project (3GPP) standardized low power wide-area network technology named narrowband Internet of Things (NB-IoT). Channel estimation is crucial to achie…

An Architecture Design of Auto Channel Switching Unit for Hybrid Visible Light Communication System Open

Rao Kashif, Fujiang Lin, Oluwole John Famoriji, Shahzad Haider · 2021

The revolution in multimedia devices has promoted indoor wireless communication in the last decades. Wireless fidelity (Wi-Fi) connections have expanded rapidly, and more than 5 billion devices have been connected to Wi-Fi each day since 2…

A Single-Fed Multiband Antenna for WLAN and 5G Applications Open

Zakir Khan, Muhammad Hunain Memon, Saeed Ur Rahman, Muhammad Sajjad, Fujiang Lin , et al. · 2020

In this paper, a slotted conical patch connected to a small triangular patch multiband antenna for both microwave and millimeter-wave applications is presented. The designed antenna has three characteristics. The proposed antenna is a mult…

An Efficient Polar Coding Scheme for Uplink Data Transmission in Narrowband Internet of Things Systems Open

Rabiu Sale Zakariyya, Md. Khalid Hossain Jewel, Akinwale Fadamiro, Oluwole John Famoriji, Fujiang Lin · 2020

Narrowband Internet of Things (NB-IoT) is an emerging IoT cellular-based wireless technology that builds based on the existing LTE standard to extend its network coverage suited for Low Power Wide Area Network (LPWAN) connectivity. In the …

Analysis of phased array antenna system via spherical harmonics decomposition Open

Oluwole John Famoriji, Kayode Francis Akingbade, Erastus Ogunti, Waliu Olalekan Apena, Akinwale Fadamiro , et al. · 2019

Spherical phased‐array antenna has hemispherical scan coverage for transmission of satellite imagery data at high bit rates to the ground station. Different conditions have been assigned based on their effects on the overall performance of…

Temperature Variation Effect on a Rectangular Microstrip Patch Antenna Open

Akinwale Fadamiro, Oluwole John Famoriji, Rabiu Sale Zakariyya, Fujiang Lin, Oluwasegun Ayokunle Somefun , et al. · 2019

A novel hypothesis is proposed for the radiation pattern of a Rec-tangular Microstrip Patch Antenna sensitive to temperature variations from the ideal room temperature tolerance under which it was manufactured. In order to validate this hy…

A FAST AND ACCURATE MULTI-ELEMENT CALIBRATION ALGORITHM OF AN ACTIVE PHASED ANTENNA ARRAY Open

Akinwale Fadamiro, Oluwole John Famoriji, Abdul-Hafeez Ali, Rabiu Sale Zakariyya, ZhongXiang Zhang , et al. · 2019

Planar Array Diagnostic Tool for Millimeter-Wave Wireless Communication Systems Open

Oluwole John Famoriji, Zhongxiang Zhang, Akinwale Fadamiro, Rabiu Sale Zakariyya, Fujiang Lin · 2018

In this paper, a diagnostic tool or procedure based on Bayesian compressive sensing (BCS) is proposed for identification of failed element(s) which manifest in millimeter-wave planar antenna arrays. With adequate a priori knowledge of the …

Frequency‐domain channel equalisation for LTE‐based uplink narrowband Internet of Things systems Open

Md. Sadek Ali, Md. Khalid Hossain Jewel, Li Yu, Fujiang Lin · 2018

An emerging narrowband radio technology named narrowband Internet of Things (NB‐IoT) based on cellular communications has been standardised by the 3rd Generation Partnership Project in release‐13. It is specifically designed to provide low…

A Joint Low-Power Cell Search and Frequency Tracking Scheme in NB-IoT Systems for Green Internet of Things Open

Li Yu, Shuo Chen, Wenqiang Ye, Fujiang Lin · 2018

As a dedicated communication protocol for Internet-of-Things, narrowband internet of things (NB-IoT) needs to establish the communication link rapidly and reduce retransmissions as much as possible to achieve low power consumption and stab…

Low RMS phase error 28 GHz 5‐bit switch type phase shifter for 5G applications Open

Jeng‐Han Tsai, Fujiang Lin, H. Xiao · 2018

A 28 GHz 5‐bit switch‐type phase shifter (STPS) using 0.18 μm CMOS technology is presented for 5G mobile communication applications. Utilising a process variation insensitive transmission line‐based bridged T‐type topology for 11.25°, 22.5…

MILLIMETER-WAVE ANTENNA ARRAY PERFORMANCE SENSITIVITY TO STRUCTURAL DISTORTION USING COUPLED STRUCTURAL-ELECTROMAGNETIC-STATISTICAL APPROACH Open

Oluwole John Famoriji, Akinwale Fadamiro, Rabiu Sale Zakariyya, Zakir Khan, Fujiang Lin · 2018

Channel Estimation and Peak‐to‐Average Power Ratio Analysis of Narrowband Internet of Things Uplink Systems Open

Md. Sadek Ali, Li Yu, Md. Khalid Hossain Jewel, Oluwole John Famoriji, Fujiang Lin · 2018

Narrowband Internet of Things (NB‐IoT) is a cellular based promising low‐power wide‐area network (LPWN) technology standardized by the 3rd Generation Partnership Project (3GPP) in release‐13 as a part of the future 5th Generation (5G) wire…

Performance Comparison of GaN HEMTs on Diamond and SiC Substrates Based on Surface Potential Model Open

Qingzhi Wu, Yuehang Xu, Jianjun Zhou, Yuechan Kong, Tangsheng Chen , et al. · 2017

In this paper, the performance difference of AlGaN/GaN high-electron mobility transistors (HEMTs) with same epitaxial structure fabricated silicon carbide (SiC) and transferred to diamond substrate is examined based on the surface-potentia…

Dual 3-phase buck converter for multi-core CPUs power supply in mobile devices Open

Lei Wang, Fujiang Lin, Qing Cui · 2017

The power supply system in mobile application needs to make a tradeoff between large current ability, lower output voltage ripple, fast transient response, good efficiency and component size and so on. The interleaved multi-phase buck topo…

Design and Modeling of S Band Circular Patch and Ka Band Horn Antenna, Integration with Future Multifunctional Radio over Fiber Network Open

Rao Kashif, Oluwole John Famoriji, Fujiang Lin · 2017

Radio over Fiber is an integration of microwave and optical fiber technologies having numerous benefits. RoF technology can give a scope of advantages including the capacity for backing multiple radio services and standards. In coming futu…

Radio over Fiber System Level Performance Analysis, Maintaining Signal Integrity Open

Rao Kashif, Oluwole John Famoriji, Fujiang Lin · 2017

Radio over fiber is an integration of microwave and optical fiber technologies having numerous benefits. RoF technology can give a scope of advantages including the capacity for backing multiple radio services and standards. In order to ma…

Wireless Interconnect in Multilayer Chip-Area-Networks for Future Multimaterial High-Speed Systems Design Open

Oluwole John Famoriji, Yan Xu, Mehdi Khan, Rao Kashif, Akinwale Fadamiro , et al. · 2017

Wireless chip area network which enables wireless communication among chips fosters development in wireless communication and it is envisioned that future hardware system and developmental functionality will require multimaterial. However,…

A Low Complexity All-Digital Background Calibration Technique for Time-Interleaved ADCs Open

Hongmei Chen, Yongsheng Yin, Honghui Deng, Fujiang Lin · 2016

A low complexity all-digital background calibration technique based on statistics is proposed. The basic idea of the statistics calibration technique is that the output average energy of each channel of TIADC will be consistent ideally, si…

An efficient digital calibration technique for timing mismatch in time-interleaved ADCs Open

Hongmei Chen, Jian Maochen, Yongsheng Yin, Fujiang Lin, Cui Qing · 2016

An efficient digital calibration technique for timing mismatch in time-interleaved ADCs is presented. It depends on the phase detection between a reference clock and the sampling clock of each sub-ADC in TIADC system. A method of variable …

Collection of charge in NMOS from single event effect Open

Jingqiu Wang, Fujiang Lin, Donglin Wang, Wenna Song, Li Liu , et al. · 2016

In aerospace environment, single event effect (SEE) will occur and single event transient (SET) current pulse will be induced in drain/source region of Metal Oxide Semiconductor Field Effect Transistor (MOSFET) when high energy ion strikes…

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