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We consider a wireless sensor network consisting of multiple nodes that are coordinated by a fusion center (FC) in order to estimate a common signal of interest. In addition to being coordinated, the sensors are also able to collaborate,…

Information Theory · Computer Science 2012-10-15 Swarnendu Kar , Pramod K. Varshney

Ultra-wideband (UWB) communication is an emerging wireless technology that promises high data rates over short distances and precise locationing. The large available bandwidth and the constraint of a maximum power spectral density drives a…

Networking and Internet Architecture · Computer Science 2011-11-09 Raul Blazquez , Fred Lee , David Wentzloff , Brian Ginsburg , Johnna Powell , Anantha Chandrakasan

Linear coding schemes have been the main choice of coding for the additive white Gaussian noise broadcast channel (AWGN-BC) with noiseless feedback in the literature. The achievable rate regions of these schemes go well beyond the capacity…

Information Theory · Computer Science 2016-11-15 Ziad Ahmad , Zachary Chance , David J. Love

Unmanned aerial vehicles (UAVs) can be used as aerial wireless base stations when cellular networks are not operational due to natural disasters. They can also be used to supplement the ground base station in order to provide better…

Information Theory · Computer Science 2018-12-26 Hazim Shakhatreh , Abdallah Khreishah , Issa Khalil

Mathematical optimization is now widely regarded as an indispensable modeling and solution tool for the design of wireless communications systems. While optimization has played a significant role in the revolutionary progress in wireless…

Information Theory · Computer Science 2024-06-10 Ya-Feng Liu , Tsung-Hui Chang , Mingyi Hong , Zheyu Wu , Anthony Man-Cho So , Eduard A. Jorswieck , Wei Yu

An important class of cyber-physical systems relies on multiple agents that jointly perform a task by coordinating their actions over a wireless network. Examples include self-driving cars in intelligent transportation and production robots…

Systems and Control · Electrical Eng. & Systems 2022-01-26 Fabian Mager , Dominik Baumann , Carsten Herrmann , Sebastian Trimpe , Marco Zimmerling

We consider multi--hop wireless networks carrying unicast flows for multiple users. Each flow has a specified delay deadline, and the lossy wireless links are modelled as binary symmetric channels (BSCs). Since transmission time, also…

Networking and Internet Architecture · Computer Science 2012-01-19 Premkumar Karumbu , Xiaomin Chen , Douglas Leith

In this article, we are proposing a closed-form solution for the capacity of the single quantum channel. The Gaussian distributed input has been considered for the analytical calculation of the capacity. In our previous couple of papers, we…

Information Theory · Computer Science 2023-02-17 Mouli Chakraborty , Harun Siljak , Indrakshi Dey , Nicola Marchetti

This paper considers a general framework for massive random access based on sparse superposition coding. We provide guidelines for the code design and propose the use of constant-weight codes in combination with a dictionary design based on…

Information Theory · Computer Science 2022-07-27 Patrick Agostini , Zoran Utkovski , Alexis Decurninge , Maxime Guillaud , Slawomir Stanczak

This letter introduces weighted sum power (WSP), a new performance metric for wireless resource allocation during cooperative spectrum sharing in cognitive radio networks, where the primary and secondary nodes have different priorities and…

Networking and Internet Architecture · Computer Science 2024-10-03 Yang Yu

In this paper, we propose a mixture Gamma shadowed (MGS) distribution as a unified composite model via representing the shadowing by an inverse Nakagami-$m$. Accordingly, the exact expression and the asymptotic behaviour at high average…

Information Theory · Computer Science 2020-11-17 Hussien Al-Hmood , H. S. Al-Raweshidy

With the advent of modern communications systems, much attention has been put on developing methods for securely transferring information between constituents of wireless sensor networks. To this effect, we introduce a mathematical…

Cryptography and Security · Computer Science 2019-01-23 Guanglin Xu , Alexander Semenov , Maciej Rysz

Characterizing the global maximum of weighted sum-rate (WSR) for the K-user Gaussian interference channel (GIC), with the interference treated as Gaussian noise, is a key problem in wireless communication. However, due to the users' mutual…

Information Theory · Computer Science 2016-11-17 Liang Liu , Rui Zhang , Kee-Chaing Chua

Recently, robust transmit beamforming has drawn considerable attention because it can provide guaranteed receiver performance in the presence of channel state information (CSI) errors. Assuming complex Gaussian distributed CSI errors, this…

Information Theory · Computer Science 2010-11-11 Kun-Yu Wang , Tsung-Hui Chang , Wing-Kin Ma , Anthony Man-Cho So , Chong-Yung Chi

We address the problem of interference management and power control in terms of maximization of a general utility function. For the utility functions under consideration, we propose a power control algorithm based on a fixed-point…

Information Theory · Computer Science 2012-11-13 Ehsan Karamad , Raviraj Adve , Jerry Chow

Power allocation is one of the fundamental problems in wireless networks and a wide variety of algorithms address this problem from different perspectives. A common element among these algorithms is that they rely on an estimation of the…

Signal Processing · Electrical Eng. & Systems 2022-01-11 Arindam Chowdhury , Fernando Gama , Santiago Segarra

Traditionally, 802.11-based networks that relied on wired equivalent protocol (WEP) were especially vulnerable to packet sniffing. Today, wireless networks are more prolific, and the monitoring devices used to find them are mobile and easy…

Cryptography and Security · Computer Science 2014-09-09 Ifeyinwa Angela Ajah

Rapid technological advances in the domain of Wireless Power Transfer (WPT) pave the way for novel methods for power management in systems of wireless devices and recent research works have already started considering algorithmic solutions…

Networking and Internet Architecture · Computer Science 2021-09-27 Ioannis Katsidimas , Sotiris Nikoletseas , Theofanis P. Raptis , Christoforos Raptopoulos

Inspired by recent industrial efforts toward high altitude flying wireless access points powered by renewable energy, an online resource allocation problem for a mobile access point (AP) travelling at high altitude is formulated. The AP…

Networking and Internet Architecture · Computer Science 2015-10-16 Elif Tugce Ceran , Tugce Erkilic , Elif Uysal-Biyikoglu , Tolga Girici , Kemal Leblebicioglu

Orthogonal designs are fundamental mathematical notions used in the construction of space time block codes for wireless transmissions. Designs have two important parameters, the rate and the decoding delay; the main problem of the theory is…

Information Theory · Computer Science 2012-03-05 Sophie Morier-Genoud , Valentin Ovsienko
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