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Cognitive radio has been widely considered as one of the prominent solutions to tackle the spectrum scarcity. While the majority of existing research has focused on single-band cognitive radio, multiband cognitive radio represents great…

信息论 · 计算机科学 2014-09-23 Ghaith Hattab , Mohammed Ibnkahla

Wireless optical communications (WOC) has carriers up to several hundred terahertz, which offers several advantages, such as ultrawide bandwidth and no electromagnetic interference. Conventional WOC that uses light transmitters such as…

系统与控制 · 电气工程与系统科学 2021-06-28 Mingliang Xiong , Qingwen Liu , Gang Wang , Georgios B. Giannakis , Chuan Huang

In this paper, we present an approach to minimize the energy consumption of multihop wireless packet networks, while achieving the required level of reliability. We consider networks that use Cooperative Network Coding (CNC), which is a…

网络与互联网体系结构 · 计算机科学 2016-02-18 Gabriel E. Arrobo , Richard D. Gitlin

The growing demand for efficient delivery of common content to multiple user equipments (UEs) has motivated significant research in physical-layer multicasting. By exploiting the beamforming capabilities of massive MIMO, multicasting…

信号处理 · 电气工程与系统科学 2025-11-11 Mahmoud Zaher , Emil Björnson

The proliferation of mobile Internet and connected devices, offering a variety of services at different levels of performance, represents a major challenge for the fifth generation wireless networks and beyond. This requires a paradigm…

Collaborative mobile edge computing (MEC) has emerged as a promising paradigm to enable low-capability edge nodes to cooperatively execute computation-intensive tasks. However, straggling edge nodes (stragglers) significantly degrade the…

分布式、并行与集群计算 · 计算机科学 2025-09-12 Houming Qiu , Kun Zhu , Dusit Niyato , Nguyen Cong Luong , Changyan Yi , Chen Dai

In Multihop Wireless Networks, traffic forwarding capability of each node varies according to its level of contention. Each node can yield its channel access opportunity to its neighbouring nodes, so that all the nodes can evenly share the…

网络与互联网体系结构 · 计算机科学 2015-06-02 V. Karthikeyan , V. J. Vijayalakshmi , P. Jeyakumar

One of the major challenges in the medium access control (MAC) protocol design over cognitive Ad Hoc networks (CAHNs) is how to efficiently utilize multiple opportunistic channels, which vary dynamically and are subject to limited power…

信息论 · 计算机科学 2011-05-03 Yichen Wang , Pinyi Ren , Qinghe Du , Chao Zhang

It has become very essential to address the limited spectrum capacity and their efficient utilization to support the increasing number of Internet of Things devices. When it comes to medical infrastructure, it becomes very imperative for…

信号处理 · 电气工程与系统科学 2020-07-22 Ashiqur Rahman Rahul , Saifur Rahman Sabuj , Majumder Fazle Haider , Shakil Ahmed

With the growing demand for large-scale and high-quality data in edge intelligence systems, mobile robots are increasingly deployed to collect data proactively, particularly in complex environments. However, existing robot-assisted data…

机器人学 · 计算机科学 2026-04-07 Tingting Huang , Yingyang Chen , Sixian Qin , Zhijian Lin , Jun Li , Li Wang

The state-of-the-art methods for solving optimization problems in big dimensions are variants of randomized coordinate descent (RCD). In this paper we introduce a fundamentally new type of acceleration strategy for RCD based on the…

最优化与控制 · 数学 2018-02-13 Dmitry Kovalev , Eduard Gorbunov , Elnur Gasanov , Peter Richtárik

Network coding (NC), in principle, is a Layer-3 innovation that improves network throughput in wired networks for multicast/broadcast scenarios. Due to the fundamental differences between wired and wireless networks, extending NC to…

信息论 · 计算机科学 2013-12-10 Mohammad H. Firooz , Zhiyong Chen , Sumit Roy , Hui Liu

This paper presents communication-constrained distributed conformal risk control (CD-CRC) framework, a novel decision-making framework for sensor networks under communication constraints. Targeting multi-label classification problems, such…

信号处理 · 电气工程与系统科学 2025-02-25 Meiyi Zhu , Matteo Zecchin , Sangwoo Park , Caili Guo , Chunyan Feng , Petar Popovski , Osvaldo Simeone

For data streaming applications, existing solutions are not yet able to close the gap between high data rates and low delay. This work considers the problem of data streaming under mixed delay constraints over a single communication channel…

信息论 · 计算机科学 2022-02-08 Alejandro Cohen , Muriel Médard , Shlomo Shamai

Nonlinear optics is a rapidly growing field that has found a wide range of applications. A major limitation, however, is the demand of high power, especially for high-order nonlinearities. Here, by reconfiguring a multiple-scattering…

光学 · 物理学 2022-08-19 Yaniv Eliezer , Ulrich Ruhrmair , Nils Wisiol , Stefan Bittner , Hui Cao

The rising demand for transmission capacity in optical networks has motivated steady interest in expansion beyond the standard C-band (1530-1565 nm) into the adjacent L-band (1565-1625 nm), for an approximate doubling of capacity in a…

In this paper, we firstly overview the application scenarios and the research progress in the area of communication and radar spectrum sharing (CRSS). We then propose a novel transceiver architecture and frame structure for a…

信号处理 · 电气工程与系统科学 2019-06-04 Fan Liu , Christos Masouros , Athina Petropulu , Hugh Griffiths , Lajos Hanzo

This paper presents a performance comparison of various MIMO radar multiplexing approaches where the increasing number of transmitters adversely affects the dynamic range of the resultant MIMO system. The investigated multiplexing…

信号处理 · 电气工程与系统科学 2024-08-27 Aitor Correas-Serrano , Nikita Petrov , Maria Gonzalez-Huici , Alexander Yarovoy

We exploit multi-path fading propagation to improve both the signal-to-interference-plus-noise-ratio and the stability of wireless communications within electromagnetic environments that support rich multipath propagation. Quasi-passive…

信号处理 · 电气工程与系统科学 2022-06-17 Jean Baptiste Gros , Geoffroy Lerosey , Fabrice Lemoult , Mir Lodro , Steve Greedy , Gabriele Gradoni

Multi-Input Multi-Output (MIMO) techniques have been incorporated with Orthogonal Frequency Division Multiplexing (OFDM) for broadband wireless communication systems. Bit-Interleaved Coded Multiple Beamforming (BICMB) can achieve both…

信息论 · 计算机科学 2013-07-02 Boyu Li , Ender Ayanoglu