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Nanolasers are considered ideal candidates for communications and data processing at chip-level thanks to their extremely reduced footprint, low thermal load and potentially outstanding modulation bandwidth, which in some case has been…

Optics · Physics 2021-02-24 T. Wang , J. L. Zou , G. P. Puccioni , W. S. Zhao , X. Lin , H. S. Chen , G. F. Wang , G. L. Lippi

A dynamic and flexible generalized spatial modulation (GSM) framework is proposed for massive MIMO systems. Our framework is leveraged on the utilization of machine learning methods for GSM in order to improve the error performance in…

Signal Processing · Electrical Eng. & Systems 2019-03-12 Selen Gecgel , Caner Goztepe , Gunes Karabulut Kurt

This paper studies the mitigation of intersymbol interference in a diffusive molecular communication system using enzymes that freely diffuse in the propagation environment. The enzymes form reaction intermediates with information molecules…

Information Theory · Computer Science 2014-01-21 Adam Noel , Karen C. Cheung , Robert Schober

We provide an in-depth study of the knowledge-theoretic aspects of communication in so-called gossip protocols. Pairs of agents communicate by means of calls in order to spread information---so-called secrets---within the group. Depending…

Multiagent Systems · Computer Science 2018-10-12 Krzysztof R. Apt , Davide Grossi , Wiebe van der Hoek

Greybox fuzzing has been widely used in stateless programs and has achieved great success. However, most state-of-the-art greybox fuzzers generally have the problems of slow speed and shallow state depth coverage in the process of fuzzing…

Cryptography and Security · Computer Science 2022-02-18 Junqiang Li , Senyi Li , Gang Sun , Ting Chen , Hongfang Yu

In Wireless Sensor Networks (WSN), typically composed of nodes with resource constraints, leveraging efficient processes is crucial to enhance the network lifetime and, consequently, the sustainability in ultra-dense and heterogeneous…

Networking and Internet Architecture · Computer Science 2020-07-28 Bruno Chianca Ferreira , Vítor Fonte , João Marco C. Silva

Web refresh crawling is the problem of keeping a cache of web pages fresh, that is, having the most recent copy available when a page is requested, given a limited bandwidth available to the crawler. Under the assumption that the change and…

This paper studies broadcasting and gossiping algorithms in random and general AdHoc networks. Our goal is not only to minimise the broadcasting and gossiping time, but also to minimise the energy consumption, which is measured in terms of…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 Petra Berenbrink , Colin Cooper , Zengjian Hu

This paper presents two new results on multiple-input multiple-output (MIMO) Gaussian broadcast channels with confidential messages. First, the problem of the MIMO Gaussian wiretap channel is revisited. A matrix characterization of the…

Information Theory · Computer Science 2016-11-15 Ruoheng Liu , Tie Liu , H. Vincent Poor , Shlomo Shamai

Many mobile ad hoc network protocols use simple flooding, in order to adapt to changes in time varying network topology. Most of the times, a network-wide flood results in redundant packets and increases network congestion, probability of…

Networking and Internet Architecture · Computer Science 2016-11-17 Ashish Shukla

In recent years, the amount of information on the Internet has increased exponentially developing great interest in selective information dissemination systems. The publish/subscribe paradigm is particularly suited for designing systems for…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 Ioana Burcea , Milenko Petrovic , Hans-Arno Jacobsen

In this paper, we investigate secure communication over sparse millimeter-wave (mm-Wave) massive multiple-input multiple-output (MIMO) channels by exploiting the spatial sparsity of legitimate user's channel. We propose a secure…

Information Theory · Computer Science 2019-11-19 Jindan Xu , Wei Xu , Derrick Wing Kwan Ng , A. Lee Swindlehurst

Soft real-time applications require timely delivery of messages conforming to the soft real-time constraints. Satisfying such requirements is a complex task both due to the volatile nature of distributed environments, as well as due to…

Networking and Internet Architecture · Computer Science 2009-01-20 Danny Bickson , Gidon Gershinsky , Ezra N. Hoch , Konstantin Shagin

Wireless communication systems, such as wireless sensor networks and RFIDs, are increasingly adopted to transfer potential highly sensitive information. Since the wireless medium has a sharing nature, adversaries have a chance to eavesdrop…

Cryptography and Security · Computer Science 2017-10-27 Jialin Wan , Siyao Cheng , Shanshan Han , Jianzhong Li

Mobile instant messengers such as WhatsApp use delivery status notifications in order to inform users if a sent message has successfully reached its destination. This is useful and important information for the sender due to the often…

Cryptography and Security · Computer Science 2022-10-20 Theodor Schnitzler , Katharina Kohls , Evangelos Bitsikas , Christina Pöpper

With the fast development of high-speed railways, a call for fulfilling the notion of communication at "anytime, anywhere" for high-speed train passengers in the Train Operating Control System is on the way. In order to make a realization…

Information Theory · Computer Science 2014-09-05 Yuzhe Zhou , Bo Ai

With the growth of wireless networks, security has become a fundamental issue in wireless communications due to the broadcast nature of these networks. In this work, we consider MIMO wiretap channels in a fast fading environment, for which…

Information Theory · Computer Science 2014-11-04 Maksym A. Girnyk , Frédéric Gabry , Mikko Vehkaperä , Lars K. Rasmussen , Mikael Skoglund

Diffusion models are a class of generative models that have been recently used for speech enhancement with remarkable success but are computationally expensive at inference time. Therefore, these models are impractical for processing…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-15 Bunlong Lay , Rostislav Makarov , Timo Gerkmann

A family of gossiping algorithms depending on a parameter permutation is introduced, formalized, and discussed. Several of its members are analyzed and their asymptotic behaviour is revealed, including a member whose model and performance…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-04-14 Vincenzo De Florio , Chris Blondia

The randomized rumor spreading problem generates a big interest in the area of distributed algorithms due to its simplicity, robustness and wide range of applications. The two most popular communication paradigms used for spreading the…

Social and Information Networks · Computer Science 2019-01-01 Dariusz R. Kowalski , Christopher Thraves Caro