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In this letter, we propose a new routing strategy to improve the transportation efficiency on complex networks. Instead of using the routing strategy for shortest path, we give a generalized routing algorithm to find the so-called {\it…

Disordered Systems and Neural Networks · Physics 2007-05-23 Gang Yan , Tao Zhou , Bo Hu , Zhong-Qian Fu , Bing-Hong Wang

It has been 20 years since the concept of cognitive radio (CR) was proposed, which is an efficient approach to provide more access opportunities to connect massive wireless devices. To improve the spectrum efficiency, CR enables unlicensed…

Networking and Internet Architecture · Computer Science 2019-09-26 Zhijin Qin , Xiangwei Zhou , Lin Zhang , Yue Gao , Ying-Chang Liang , Geoffrey Ye Li

In this paper, a buffered decode and forward (DF) relay based three-node underlay cooperative cognitive relay network (CRN) is considered with a direct path to the destination. The source and the relay use multiple rates, and joint rate and…

Information Theory · Computer Science 2018-09-05 Bhupendra Kumar , Shankar Prakriya

High demands for industrial networks lead to increasingly large sensor networks. However, the complexity of networks and demands for accurate data require better stability and communication quality. Conventional clustering methods for…

Signal Processing · Electrical Eng. & Systems 2021-08-10 Shufan Huang , Yongpeng Wu , Siyuan Gao

Through spatial multiplexing and diversity, multi-input multi-output (MIMO) cognitive radio (CR) networks can markedly increase transmission rates and reliability, while controlling the interference inflicted to peer nodes and primary users…

Information Theory · Computer Science 2013-02-07 Yu Zhang , Emiliano Dall'Anese , Georgios B. Giannakis

Vehicular Ad hoc NETworks (VANETs) as the basic infrastructure can facilitate applications and services of connected vehicles (CVs). Cognitive radio (CR) technology is an effective supplement and enhancement for VANETs. It can reduce the…

Networking and Internet Architecture · Computer Science 2016-11-22 Zhexiong Wei , F. Richard Yu , Helen Tang , Chengchao Liang , Qiao Yan

Recently, many works focus on the implementation of collective communication operations adapted to wide area computational systems, like computational Grids or global-computing. Due to the inherently heterogeneity of such environments, most…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 Luiz Angelo Barchet-Estefanel , Gregory Mounie

Information-centric networking (ICN) has gained attention from network research communities due to its capability of efficient content dissemination. In-network caching function in ICN plays an important role to achieve the design…

Networking and Internet Architecture · Computer Science 2016-12-09 Atsushi Ooka , Suyong Eum , Shingo Ata , Masayuki Murata

In this paper, an underlay cognitive radio (CR) system is considered with multiple cognitive or secondary users contending to transmit their information to the cognitive destination (e.g., eNodeB) using the spectral resource of a primary…

Information Theory · Computer Science 2018-06-20 Neeraj Varshney , Prabhat K. Sharma , Mohamed Slim Alouini

Cognitive radio networks (CRNs) have traditionally focused on utilizing idle channels to enhance spectrum efficiency. However, as wireless networks grow denser, channel-centric strategies face increasing limitations. This paper introduces a…

Signal Processing · Electrical Eng. & Systems 2024-12-11 Weidong Zhu , Xueqian Li , Longwei Wang , Zheng Zhang

Fixed infrastructured networks naturally support centralized approaches for group management and information provisioning. Contrary to infrastructured networks, in multi-hop ad-hoc networks each node acts as a router as well as sender and…

Multimedia · Computer Science 2012-01-16 Adrian Andronache , Matthias R. Brust , Steffen Rothkugel

Management of communication by on-line routing in new FPGAs with a large amount of logic resources and partial reconfigurability is a new challenging problem. A Network-on-Chip (NoC) typically uses packet routing mechanism, which has often…

Hardware Architecture · Computer Science 2016-08-31 Ali Ahmadinia , Christophe Bobda , Ji Ding , Mateusz Majer , Juergen Teich , Sandor P. Fekete , Jan van der Veen

To account for the randomness of propagation channels and interference levels in hierarchical spectrum sharing, a novel approach to multihop routing is introduced for cognitive random access networks, whereby packets are randomly routed…

Optimization and Control · Mathematics 2012-07-05 Emiliano Dall'Anese , Georgios B. Giannakis

Energy efficient routing protocol for Wireless Sensor Networks (WSNs) is one of the most challenging task for researcher. Hierarchical routing protocols have been proved more energy efficient routing protocols, as compare to flat and…

Networking and Internet Architecture · Computer Science 2016-11-17 M. Aslam , T. Shah , N. Javaid , A. Rahim , Z. Rahman , Z. A. Khan

In this paper, we optimize a faster region-based convolutional neural network (FRCNN) for 1-dimensional (1D) signal processing and electromagnetic spectrum sensing. We target a cluttered radio frequency (RF) environment, where multiple RF…

Signal Processing · Electrical Eng. & Systems 2023-02-21 Todd Morehouse , Charles Montes , Ruolin Zhou

Green Vehicular Ad-hoc Network (VANET) is a newly-emerged research area which focuses on reducing harmful impacts of vehicular communication equipments on the natural environment. Recent studies have shown that grouping vehicles into…

Networking and Internet Architecture · Computer Science 2021-10-07 Bingyi Liu , Zhipeng Fang , Wei Wang , Xun Shao , Wei Wei , Dongyao Jia , Enshu Wang , Shengwu Xiong

Graph convolutional networks (GCNs) have achieved huge success in several machine learning (ML) tasks on graph-structured data. Recently, several sampling techniques have been proposed for the efficient training of GCNs and to improve the…

Machine Learning · Computer Science 2023-06-27 Saket Gurukar , Shaileshh Bojja Venkatakrishnan , Balaraman Ravindran , Srinivasan Parthasarathy

In future networks, an operator may employ a wide range of access points using diverse radio access technologies (RATs) over multiple licensed and unlicensed frequency bands. This paper studies centralized user association and spectrum…

Networking and Internet Architecture · Computer Science 2016-09-01 Zhiyi Zhou , Dongning Guo , Michael L. Honig

Mobile Ad hoc Networks (MANETs) are subject to various kinds of attacks. Deploying security mechanisms is difficult due to inherent properties of ad hoc networks, such as the high dynamics of their topology, restricted bandwidth, and…

Cryptography and Security · Computer Science 2012-07-09 Preetida Vinayakray-Jani , Sugata Sanyal

A cloud radio access network (C-RAN) is considered as a candidate to meet the expectations of higher data rate de- mands in wireless networks. In C-RAN, low energy base stations (BSs) are deployed over a small geography and are allowed to…

Information Theory · Computer Science 2016-02-11 Yigit Ugur , Zohaib Hassan Awan , Aydin Sezgin