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This paper considers simultaneous wireless information and power transfer (SWIPT) in a multiple-input single-output (MISO) downlink system consisting of one multi-antenna transmitter, one single-antenna information receiver (IR), multiple…

Information Theory · Computer Science 2016-11-18 Muhammad R. A. Khandaker , Kai-Kit Wong , Yangyang Zhang , Zhongbin Zheng

This paper proposes a protocol for hybrid quantum teleportation and remote state preparation(RSP). It allows users to transmit an n-qubit quantum state by using (4n+1)qubits entangled state as a quantum channel to each other simultaneously.…

Quantum Physics · Physics 2025-01-31 MohammadHossein Valeh , Hossein Aghababa , Mohammadreza Kolahdouz , Masoud Barati

Reconfigurable intelligent surfaces (RISs) are planar structures with attached electronic circuitry that enable a partially programmable communication environment. RIS operation can be regarded as nearly passive since it acts by simply…

Information Theory · Computer Science 2021-08-31 Steven Kisseleff , Konstantinos Ntontin , Wallace A. Martins , Symeon Chatzinotas , Björn Ottersten

LoRa is the proprietary physical layer (PHY) of LoRaWAN, which is a popular Internet-of-Things (IoT) protocol enabling low-power devices to communicate over long ranges. A number of reverse engineering attempts have been published in the…

Signal Processing · Electrical Eng. & Systems 2020-02-24 Joachim Tapparel , Orion Afisiadis , Paul Mayoraz , Alexios Balatsoukas-Stimming , Andreas Burg

Radio frequency (RF) chain circuits play a major role in digital receiver architectures, allowing passband communication signals to be processed in baseband. When operating at high frequencies, these circuits tend to be costly. This…

Signal Processing · Electrical Eng. & Systems 2020-12-30 Tierui Gong , Nir Shlezinger , Shahar Stein Ioushua , Moshe Namer , Zhijia Yang , Yonina C. Eldar

Remote Keyless Entry (RKE) systems have become a standard feature in modern vehicles, yet their unidirectional fixed-frequency radio communication renders them vulnerable to replay attacks, impersonation attacks, cryptanalysis, and…

Cryptography and Security · Computer Science 2025-04-15 Jingjing Guo , Bo Tang , Jiayuan Xu , Qingyi Li , Yuyuan Qin , Xinghua Li

In terms of complex radio environments especially in dense urban areas, a very interesting topic is considered - the utilization of reconfigurable intelligent surfaces. Basically, based on simple controls of the angle of reflection of the…

Networking and Internet Architecture · Computer Science 2024-02-29 Łukasz Kułacz

Photonic integrated circuits (PICs) are expected to play a significant role in the ongoing second quantum revolution, thanks to their stability and scalability. Still, major upgrades are needed for available PIC platforms to meet the…

This paper introduces BASIC_RV32s, an open-source framework providing a practical microarchitectural roadmap for the RISC-V RV32I architecture, addressing the gap between theoretical knowledge and hardware implementation. Following the…

Hardware Architecture · Computer Science 2025-10-21 Hyun Woo Kang , Ji Woong Choi

The Message Passing Interface (MPI) has been extremely successful as a portable way to program high-performance parallel computers. This success has occurred in spite of the view of many that message passing is difficult and that other…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 William D. Gropp

Widely-deployed encryption-based security prevents unauthorized decoding, but does not ensure undetectability of communication. However, covert, or low probability of detection/intercept (LPD/LPI) communication is crucial in many scenarios…

Information Theory · Computer Science 2015-06-02 Boulat A. Bash , Dennis Goeckel , Saikat Guha , Don Towsley

This paper defines the components of radio frequency identifiers (RFID). It also explores the different areas and sectors where RFID can be beneficial. The paper discusses the uses and advantages of RFID in deference, consumer packaged…

Other Computer Science · Computer Science 2010-05-28 Ahmed Elmorshidy

A communication network is called a radio network if its nodes exchange messages in the following restricted way. First, a send operation performed by a node delivers copies of the same message to all directly reachable nodes. Secondly, a…

Networking and Internet Architecture · Computer Science 2018-01-03 Bogdan S. Chlebus

This paper describes the architecture of wireless communication system using random residue sequences. The basic scheme is that of spread spectrum but instead of using PN sequences for coding, we use random residue sequences. Such a system…

Cryptography and Security · Computer Science 2014-04-29 Vamsi Sashank Kotagiri

In this paper we show how two (or more) airgapped computers in the same room, equipped with passive speakers, headphones, or earphones can covertly exchange data via ultrasonic waves. Microphones are not required. Our method is based on the…

Cryptography and Security · Computer Science 2018-03-19 Mordechai Guri , Yosef Solewicz , Andrey Daidakulov , Yuval Elovici

An antenna coding approach for exploiting the spatial multiplexing capability of pixel antennas is proposed. This approach can leverage additional degrees of freedom in the beamspace domain to transmit more information streams. Pixel…

Signal Processing · Electrical Eng. & Systems 2025-12-08 Zixiang Han , Shanpu Shen , Ross Murch

Computer applications seeking to persist files remotely across the Internet are faced with a bewildering choice of mechanisms which tend to boil down to monolithic proprietary closed-source Vendor solutions. We introduce The Mikado…

Networking and Internet Architecture · Computer Science 2024-01-18 John D. Dougrez-Lewis

In recent years, radio frequency identification technology has moved into the mainstream applications that help to speed up handling of manufactured goods and materials. RFID tags are divided into two classes: active and passive. Active tag…

Cryptography and Security · Computer Science 2012-07-12 Amol Bandal , Shankar Nawale

We demonstrate that a small transformer can learn to execute programs in MicroPy, a simplified yet computationally universal programming language. Given procedure definitions together with an expression to evaluate, the transformer predicts…

Artificial Intelligence · Computer Science 2026-04-29 Ruize Xu , Chenxiao Yang , Yanhong Li , David McAllester