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Multipartite entangled states possess a number of non-intuitive properties, making them a useful resource for various quantum information-processing tasks. The three-qubit W-state is one such example where every state is robust to…

Quantum Physics · Physics 2026-01-01 Souvik Chatterjee , Prasenjit Deb , Chandan Datta , Pankaj Agrawal

In scenarios where devices are too small to support MIMO antenna arrays, symbol-level cooperation may be used to pool the resources of distributed single-antenna devices to create a virtual MIMO antenna array. We address design fundamentals…

Information Theory · Computer Science 2011-09-23 Christopher Hunter , Ashutosh Sabharwal

A network consisting of $n$ source-destination pairs and $m$ relays is considered. Focusing on the large system limit (large $n$), the throughput scaling laws of two-hop relaying protocols are studied for Rayleigh fading channels. It is…

Information Theory · Computer Science 2008-04-29 Shengshan Cui , Alexander M. Haimovich , Oren Somekh , H. Vincent Poor

Unsourced random access (URA) is a recently proposed communication paradigm attuned to machine-driven data transfers. In the original URA formulation, all the active devices share the same number of bits per packet. The scenario where…

Information Theory · Computer Science 2021-02-16 Vamsi K. Amalladinne , Allen Hao , Stefano Rini , Jean-Francois Chamberland

Diffusion with stochastic resetting, instantaneous returns of a diffusing particle to a reference point, creates a stationary probability distribution. The paradigm is extended here to a doubly stochastic protocol in which the resetting…

Statistical Mechanics · Physics 2025-10-01 Maxence Arutkin , Shlomi Reuveni

Recently, a new type of quantum key distribution, called the round-robin differential phase-shift (RRDPS) protocol [Nature 509, 475 (2014)], was proposed, where the security can be guaranteed without monitoring any statistics. In this…

Quantum Physics · Physics 2016-05-09 Akihiro Mizutani , Nobuyuki Imoto , Kiyoshi Tamaki

We present a system of session types based on adjoint logic which generalize standard binary session types. Our system allows us to uniformly capture several new behaviors in the space of asynchronous message-passing communication,…

Programming Languages · Computer Science 2019-04-03 Klaas Pruiksma , Frank Pfenning

The Massive MIMO (multiple-input multiple-output) technology has great potential to manage the rapid growth of wireless data traffic. Massive MIMO achieves tremendous spectral efficiency by spatial multiplexing of many tens of user…

Information Theory · Computer Science 2017-02-14 Emil Björnson , Elisabeth de Carvalho , Jesper H. Sørensen , Erik G. Larsson , Petar Popovski

Advances in Micro-Electro-Mechanical Systems (MEMS) have revolutionized the digital age to a point where animate and inanimate objects can be used as a communication channel. In addition, the ubiquity of mobile phones with increasing…

Networking and Internet Architecture · Computer Science 2012-10-04 Zhenxin Feng , Kwan-Wu Chin

In this paper, we propose a radio-based passive target tracking algorithm using multipath measurements, including the angle of arrival and relative distance. We focus on a scenario in which a mobile receiver continuously receives radio…

Signal Processing · Electrical Eng. & Systems 2024-11-08 Ke Xu , Rui Zhang , He , Chen

A continuously measured quantum system with multiple jump channels gives rise to a stochastic process described by random jump times and random emitted symbols, representing each jump channel. While much is known about the waiting time…

Quantum Physics · Physics 2023-06-21 Gabriel T. Landi

We propose a double-station access protocol (DS-CSMA) with multiple backoff mechanism for optical wireless scattering communication networks (OWSCN). %, where two stations can transmit data to single destination simultaneously.can avoid the…

Networking and Internet Architecture · Computer Science 2020-04-14 Guanchu Wang , Chen Gong , Zhimeng Jiang , Zhengyuan Xu

In this work we consider a two-user and a three-user slotted ALOHA network with multi-packet reception (MPR) capabilities. The nodes can adapt their transmission probabilities and their transmission parameters based on the status of the…

Information Theory · Computer Science 2017-04-11 Ioannis Dimitriou , Nikolaos Pappas

We propose a novel random multiple access (RMA) scheme with quality of service (QoS) guarantees for machine-to-machine (M2M) communications. We consider a slotted uncoordinated data transmission period during which machine type…

Information Theory · Computer Science 2016-10-25 Rana Abbas , Mahyar Shirvanimoghaddam , Yonghui Li , Branka Vucetic

The performance of a multiuser communication system with single-antenna transmitting terminals and a multi-antenna base-station receiver is analytically investigated. The system operates under independent and non-identically distributed…

Information Theory · Computer Science 2016-10-27 Nikolaos I. Miridakis , Theodoros A. Tsiftsis , Corbett Rowell

In this paper, we present a decentralized network protocol, Space Network Protocol, based on Communication Satellite Services. The protocol outlines a method for distributing information about the status of satellite communication services…

Cryptography and Security · Computer Science 2024-06-27 Xiao Yan , Bernie Gao

We study algorithms in the distributed message-passing model that produce secured output, for an input graph $G$. Specifically, each vertex computes its part in the output, the entire output is correct, but each vertex cannot discover the…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-02-19 Leonid Barenboim , Harel Levin

In this paper we present a multi-user cooperative protocol for wireless networks. Two sources transmit simultaneously their information blocks and relays employ opportunistically successive interference cancellation (SIC) in an effort to…

Networking and Internet Architecture · Computer Science 2016-11-17 Antonios Argyriou

In this paper, we present structured message passing (SMP), a unifying framework for approximate inference algorithms that take advantage of structured representations such as algebraic decision diagrams and sparse hash tables. These…

Artificial Intelligence · Computer Science 2013-09-27 Vibhav Gogate , Pedro Domingos

We propose a protocol for tridirectional quantum teleportation in continuous variables. A special feature of the protocol is the possibility to choose one of three scenarios: simultaneous exchange between three participants, exchange…

Quantum Physics · Physics 2025-02-27 E. A. Nesterova , S. B. Korolev