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Microstrip three-way (that is, 4.8 dB) integrated filtering power divider (FPD) is presented in this paper. The proposed FPD evenly distributes an input power signal into three equal output signals. The design incorporates balanced signal…

Systems and Control · Electrical Eng. & Systems 2024-05-10 Augustine O. Nwajana , Rose Paul

In this letter, we present a novel four-way divider/combiner in rectangular waveguide. The design is completely two-dimensional in the h-plane, with eight-fold mirror symmetry, and is based on a recent four-port hybrid design [6]. In…

Accelerator Physics · Physics 2007-05-23 Christopher D. Nantista , Sami G. Tantawi

Pinching-antenna systems (PASS) represent an innovative advancement in flexible-antenna technologies, aimed at significantly improving wireless communications by ensuring reliable line-of-sight connections and dynamic antenna array…

Signal Processing · Electrical Eng. & Systems 2025-11-27 Jingjing Zhao , Haowen Song , Xidong Mu , Kaiquan Cai , Yanbo Zhu , Yuanwei Liu

In this paper, we compare two common modes of duplexing in wireless powered communication networks (WPCN); namely TDD and FDD. So far, TDD has been the most widely used duplexing technique due to its simplicity. Yet, TDD does not allow the…

Information Theory · Computer Science 2018-07-17 Arman Ahmadian , Hyuncheol Park

In this paper, we study resource allocation algorithm design for power efficient secure communication with simultaneous wireless information and power transfer (WIPT) in multiuser communication systems. In particular, we focus on power…

Information Theory · Computer Science 2014-02-25 Shiyang Leng , Derrick Wing Kwan Ng , Robert Schober

A novel method for distributed estimation of the frequency of power systems is introduced based on the cooperation between multiple measurement nodes. The proposed distributed widely linear complex Kalman filter (D-ACKF) and the distributed…

Systems and Control · Computer Science 2014-10-03 Sithan Kanna , Dahir H. Dini , Yili Xia , Ron Hui , Danilo P. Mandic

In this paper, a rectangular-shaped power divider has been presented operating at 27.9 GHz. The power divider has achieved acceptable results for important parameters such as S11, S12, S21, and S22. The substrate employed for the power…

Systems and Control · Electrical Eng. & Systems 2025-05-08 Muhammad Asfar Saeed , Augustine O. Nwajana , Muneeb Ahmad

Filter bank multi-carrier (FBMC) offers superior spectral properties compared to cyclic-prefix orthogonal frequency-division multiplexing (CP-OFDM), at the cost of an inherent shortcoming in dispersive channels called intrinsic imaginary…

Signal Processing · Electrical Eng. & Systems 2019-01-07 Hosseinali Jamal , David W. Matolak

A new method for capacity and spectral efficiency increases is a full-duplex (FD) communication, where sending and receiving are done simultaneously. Hence, severe interference leaked from the transmitter to the receiver, which can disrupt…

Information Theory · Computer Science 2023-05-23 Mohammad Lari

We show that a system of three parallel waveguides, among which the central one is dissipative, leads to an ultrabroadband power splitting associated with an overall 50% power loss. The present approach is reminiscent of non-Hermitian…

The vision of seamlessly integrating information transfer (IT) and microwave based power transfer (PT) in the same system has led to the emergence of a new research area, called wirelessly power communications (WPC). Extensive research has…

Information Theory · Computer Science 2016-11-15 Kaibin Huang , Caijun Zhong , Guangxu Zhu

Four kinds of waveguide power dividers with different structures working at 2.856 GHz are developed. By comparing the simulation performances of these four structures, the power divider with matching rod in the middle of its structure has…

Accelerator Physics · Physics 2016-07-12 Xiang He , Mi Hou , Jing-Ru Zhang , Yun-Long Chi

The idea of ultra-wideband (UWB) communications for short ranges (up to a few tens of meters) has been around for nearly three decades. However, despite significant efforts by the industry, UWB deployment has not yet reached its predicted…

Signal Processing · Electrical Eng. & Systems 2025-09-10 Brian Nelson , Hussein Moradi , Behrouz Farhang-Boroujeny

Far-field wireless power transfer (WPT) is a promising technique to resolve the painstaking power-charging problem inherent in various wireless terminals. This paper investigates the power transfer efficiency of the WPT segment in future…

Information Theory · Computer Science 2015-04-14 Minghua Xia , Sonia Aïssa

This letter proposes a targeted-subharmonic-eliminating pulse density modulation (PDM) method for series-series (SS) compensated wireless power transfer (WPT) systems. The subharmonic frequency components which excite current abnormal…

Systems and Control · Electrical Eng. & Systems 2025-12-01 Songyan Li , Hongchang Li , Haiyue Jiang , Yudong Zhang , Wenjie Chen , Xu Yang

This letter introduces a novel wireless powered communication system, referred to as a wireless powered pinching-antenna network (WPPAN), utilizing a single waveguide with pinching antennas to address the double near-far problem inherent in…

In this paper, a joint transmitter and receiver design for pattern division multiple access (PDMA) is proposed. At the transmitter, pattern mapping utilizes power allocation to improve the overall sum rate, and beam allocation to enhance…

Information Theory · Computer Science 2018-01-10 Yanxiang Jiang , Peng Li , Zhiguo Ding , Fuchun Zheng , Miaoli Ma , Xiaohu You

This letter presents a novel adaptive power division strategy, which uses two rectifying diodes with nonlinear impedance characteristics that are configured in parallel to function optimally at their individual power levels. Through the…

Applied Physics · Physics 2026-01-09 Zhongqi He , Liping Yan , Changjun Liu

Wavelength division multiplexing (WDM) devices are key elements of Photonic integrated circuits (PICs). Conventional WDM devices based on silicon waveguides and photonic crystals have limited transmittance due to high loss introduced by the…

A new method is discussed for the systematic synthesis, design and performance optimization of varactor-based parametric frequency dividers (PFDs) exhibiting an ultra-low power threshold ($P_{th}$). For the first time, it is analytically…

Signal Processing · Electrical Eng. & Systems 2020-08-26 Hussein M. E. Hussein , Mahmoud A. A. Ibrahim , Giuseppe Michetti , Matteo Rinaldi , Marvin Onabajo , Cristian Cassella
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