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Molecular communication (MC) enables information exchange through the transmission of signaling molecules (SMs) and holds promise for many innovative applications. However, most existing works in MC rely on simplified transmitter (TX)…

Emerging Technologies · Computer Science 2025-11-10 Teena tom Dieck , Lukas Brand , Sebastian Lotter , Kathrin Castiglione , Robert Schober , Maximilian Schäfer

This letter presents a technique that enables very fine tunability of the frequency of Ring Oscillators (ROs). Multiple ROs with different numbers of tunable elements were designed and fabricated in a 65nm CMOS technology. A tunable element…

Cryptography and Security · Computer Science 2024-06-04 Muayad J. Aljafar , Zain Ul Abideen , Adriaan Peetermans , Benedikt Gierlichs , Samuel Pagliarini

Magnetic resonant coupling (MRC) is an efficient method for realizing the near-field wireless power transfer (WPT). The use of multiple transmitters (TXs) each with one coil can be applied to enhance the WPT performance by focusing the…

Information Theory · Computer Science 2016-11-15 Gang Yang , Mohammad R. Vedady Moghadam , Rui Zhang

Motivated by the ideal peak-to-average-power ratio and radar sensing capability of traditional frequency-coded radar waveforms, this paper considers the frequency shift keying (FSK) based waveform for joint communications and radar (JCR).…

Information Theory · Computer Science 2025-07-14 Tian Han , Peter J Smith , Urbashi Mitra , Jamie S Evans , Rajitha Senanayake

Intelligent reflecting surface (IRS) is a revolutionary and low-cost technology for boosting the spectrum and energy efficiencies in future wireless communication network. In order to create controllable multipath transmission in the…

Information Theory · Computer Science 2022-07-12 Rongen Dong , Shaohua Jiang , Xinhai Hua , Yin Teng , Feng Shu , Jiangzhou Wang

An optical equivalent of the field-programmable gate array (FPGA) is of great interest to large-scale photonic integrated circuits. Previous programmable photonic devices relying on the weak, volatile thermo-optic or electro-optic effect…

Applied Physics · Physics 2020-01-28 Peipeng Xu , Jiajiu Zheng , Jonathan Doylend , Arka Majumdar

We have studied the dynamics of a spin-torque nanooscillator's (STNO) phase locked loop (PLL) generating microwave oscillations in a broad range of frequencies under the effect of direct current and external magnetic field. Bifurcations in…

Chaotic Dynamics · Physics 2016-11-18 Alexander A. Mitrofanov , Ansar R. Safin , Nicolay N. Udalov

Channel estimation at the receiver side is essential to adaptive modulation schemes, prohibiting low complexity systems from using variable rate and/or variable power transmissions. Towards providing a solution to this problem, we introduce…

Information Theory · Computer Science 2009-05-01 Athanasios S. Lioumpas , George K. Karagiannidis

Polarization splitter-rotators (PSRs) are the key elements to realize on-chip polarization manipulation. Current PSRs on thin film lithium niobate (TFLN) rely on sub-micron gaps to realize modes separation, which increase the difficulties…

Optics · Physics 2024-02-26 Mengke Wang , Hao Yao , Jiayao Deng , Zhefeng Hu , Tingting Tang , Kaixin Chen

This letter proposes a new spoof surface plasmon transmission line (SSP-TL) using capacitor loading techniques. This new SSP-TL features flexible and reconfigurable dispersion control and highly selective filtering performance without…

Classical Physics · Physics 2017-01-17 Xiaolan Tang , Qingfeng Zhang , Sanming Hu , Abhishek Kandwal , Tongfeng Guo , Yifan Chen

Next generation radio telescopes, such as the Square Kilometre Array (SKA) and Next Generation Very Large Array (ngVLA), require precise microwave frequency reference signals to be transmitted over fiber links to each dish to coherently…

Instrumentation and Methods for Astrophysics · Physics 2020-09-09 Skevos F. E. Karpathakis , Charles T. Gravestock , David R. Gozzard , Thea R. Pulbrook , Sascha W. Schediwy

A general class of nonlinear Least Square Error (LSE) precoders in multi-user multiple-input multiple-output systems is analyzed using the replica method from statistical mechanics. A single cell downlink channel with $N$ transmit antennas…

Information Theory · Computer Science 2017-04-28 Mohammad A. Sedaghat , Ali Bereyhi , Ralf R. Müller

Noninvasive brain stimulation can write signals into neurons but requires power electronics with exceptionally high power in the mega-volt-ampere range and kilohertz usable bandwidth. Whereas oscillator circuits offered only one or very few…

Systems and Control · Electrical Eng. & Systems 2025-09-03 Jinshui Zhang , Stefan M. Goetz

This paper considers a wireless communication system with low-resolution quantizers, in which transmitted signals are corrupted by fading and additive noise. For such wireless systems, a universal lower bound on the average symbol error…

Signal Processing · Electrical Eng. & Systems 2019-03-01 Samiru Gayan , Rajitha Senanayake , Hazer Inaltekin , Jamie Evans

A simulation of an atomic force microscope operating in the constant amplitude dynamic mode is described. The implementation mimics the electronics of a real setup including a digital phase-locked loop (PLL). The PLL is not only used as a…

Atomic and Molecular Clusters · Physics 2007-05-23 Laurent Nony , Alexis Prof. Baratoff , Dominique Schaer , Oliver Pfeiffer , Adrian Wezel , Ernst Meyer

In this article, two wide band high-efficiency metasurface structures as a linear-cross polarizer in transmission mode based on asymmetric split-ring resonators (ASRR) are proposed and tested to indicate that this is not a purely…

Previously, we presented a non-magnetic, nonreciprocal N-path-filter-based circulator-receiver (circ.-RX) architecture for full-duplex (FD) wireless which merges a commutation-based linear periodically-time-varying (LPTV) non-magnetic…

Signal Processing · Electrical Eng. & Systems 2018-10-31 Negar Reiskarimian , Mahmood Baraani Dastjerdi , Jin Zhou , Harish Krishnaswamy

This letter describes a 40.68 MHz wireless power transfer receiver for implantable applications focused on minimizing tissue heating. The system features a novel power radiated efficiency optimization strategy and a fast-settling active…

Systems and Control · Electrical Eng. & Systems 2025-06-10 Ronald Wijermars , Yi-Han Ou-Yang , Sijun Du , Dante Gabriel Muratore

Traditional low-power wide-area network (LPWAN) transceivers typically compromise data rates to achieve deep coverage. This paper presents a novel transceiver that achieves high receiver sensitivity and low computational complexity. At the…

Information Theory · Computer Science 2025-08-01 Wenkun Wen , Ruiqi Zhang , Peiran Wu , Tierui Min , Minghua Xia

The analysis of adaptive carrier phase estimation is investigated in long-haul high speed n-level phase shift keying (n-PSK) optical fiber communication systems based on the one-tap normalized least-mean-square (LMS) algorithm. The…

Information Theory · Computer Science 2016-11-15 Tianhua Xu , Tiegen Liu , Yimo Zhang , Gunnar Jacobsen , Jie Li , Sergei Popov