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Mobile edge computing (MEC) provides users with a high quality experience (QoE) by placing servers with rich services close to the end users. Compared with local computing, MEC can contribute to energy saving, but results in increased…

网络与互联网体系结构 · 计算机科学 2020-08-24 JunJie Yu , Han Wang , Mingxiong Zhao , WenTao Li , HuiQi Bao , Li Yin , Mi Wu

The design of Medium Access Control (MAC) protocols for wireless sensor networks (WSNs) has been conventionally tackled by assuming battery-powered devices and by adopting the network lifetime as the main performance criterion. While WSNs…

信息论 · 计算机科学 2016-11-17 Fabio Iannello , Osvaldo Simeone , Umberto Spagnolini

This letter investigates a cache-enabled multiuser mobile edge computing (MEC) system with dynamic task arrivals, taking into account the impact of proactive cache placement on the system's overall energy consumption. We consider that an…

信息论 · 计算机科学 2023-02-01 Jingxuan Liang , Hong Xing , Feng Wang , Vincent K. N. Lau

This paper looks into the technology classification problem for a distributed wireless spectrum sensing network. First, a new data-driven model for Automatic Modulation Classification (AMC) based on long short term memory (LSTM) is…

网络与互联网体系结构 · 计算机科学 2018-07-12 Sreeraj Rajendran , Wannes Meert , Domenico Giustiniano , Vincent Lenders , Sofie Pollin

One of the most fundamental tasks in sensor networks is the computation of a (compressible) aggregation function of the input measurements. What rate of computation can be maintained, by properly choosing the aggregation tree, the TDMA…

网络与互联网体系结构 · 计算机科学 2017-12-11 Magnus M. Halldorsson , Tigran Tonoyan

Mobile edge computing (MEC) deployment in a multi-robot cooperation (MRC) system is an effective way to accomplish the tasks in terms of energy consumption and implementation latency. However, the computation and communication resources…

网络与互联网体系结构 · 计算机科学 2021-11-23 Rui Yin , Yineng Shen , Huawei Zhu , Xianfu Chen , Celimuge Wu

This paper investigates the problem of link scheduling to meet traffic demands with minimum airtime in a multi-transmit-receive (MTR) wireless network. MTR networks are a new class of networks, in which each node can simultaneously transmit…

网络与互联网体系结构 · 计算机科学 2011-07-12 Hong-Ning Dai , Soung Chang Liew , Liqun Fu

We study wireless power transmission by an energy source to multiple energy harvesting nodes with the aim to maximize the energy efficiency. The source transmits energy to the nodes using one of the available power levels in each time slot…

信号处理 · 电气工程与系统科学 2021-01-01 Debamita Ghosh , Manjesh K. Hanawal , Nikola Zlatanov

Wireless Sensor Network WSN is consisted of nodes with different sizes and a specific goal. Tracking applications are very important in WSNs. This study proposes a method for reducing energy consumption in WSNs, considering target tracking.…

网络与互联网体系结构 · 计算机科学 2020-05-15 Amir Javadpour

This paper studies a multi-user cooperative mobile-edge computing (MEC) system, in which a local mobile user can offload intensive computation tasks to multiple nearby edge devices serving as helpers for remote execution. We focus on the…

信号处理 · 电气工程与系统科学 2018-02-21 Hong Xing , Liang Liu , Jie Xu , Arumugam Nallanathan

We investigate the spectral efficiency of full-duplex small cell wireless systems, in which a full-duplex capable base station (BS) is designed to send/receive data to/from multiple halfduplex users on the same system resources. The major…

信息论 · 计算机科学 2014-07-11 Dan Nguyen , Le-Nam Tran , Pekka Pirinen , Matti Latva-aho

Mobile edge computing (MEC) and millimeter wave (mmWave) communications are capable of significantly reducing the network's delay and enhancing its capacity. In this paper we investigate a mmWave and device-to-device (D2D) assisted MEC…

信号处理 · 电气工程与系统科学 2022-07-19 Yanzhen Liu , Yunlong Cai , An Liu , Minjian Zhao , Lajos Hanzo

Femtocells are recognized effective for improving network coverage and capacity, and reducing power consumption due to the reduced range of wireless transmissions. Although highly appealing, a plethora of challenging problems need to be…

网络与互联网体系结构 · 计算机科学 2013-12-10 Hui Zhou , Donglin Hu , Saketh Anuma Reddy , Shiwen Mao , Prathima Agrawal

Energy efficiency is a crucial performance metric in sensor networks, directly determining the network lifetime. Consequently, a key factor in WSN is to improve overall energy efficiency to extend the network lifetime. Although many…

网络与互联网体系结构 · 计算机科学 2017-07-26 Gal Oren , Leonid Barenboim , Harel Levin

We consider the problem of task offloading in multi-access edge computing (MEC) systems constituting $N$ devices assisted by an edge server (ES), where the devices can split task execution between a local processor and the ES. Since the…

信息论 · 计算机科学 2024-10-30 Shubham Aggarwal , Muhammad Aneeq uz Zaman , Melih Bastopcu , Sennur Ulukus , Tamer Başar

One of the main issues in the design of sensor networks is energy efficient communication of time-critical data. Energy wastage can be caused by failed packet transmission attempts at each node due to channel dynamics and interference.…

网络与互联网体系结构 · 计算机科学 2011-05-24 Rahul Srivastava , Can Emre Koksal

We model the scenarios of network slicing allocation for the micro-operator (MO) network. The MO creates the slices "as a service" of wireless resource and then allocates these slices to multiple mobile network operators (MNOs). We propose…

信息论 · 计算机科学 2018-11-06 Tachporn Sanguanpuak , Nandana Rajatheva , Dusit Niyato , Matti Latva-aho

In this paper, a multi-scale approach to spectrum sensing in cognitive cellular networks is proposed. In order to overcome the huge cost incurred in the acquisition of full network state information, a hierarchical scheme is proposed, based…

信息论 · 计算机科学 2017-02-28 Nicolo Michelusi , Matthew Nokleby , Urbashi Mitra , Robert Calderbank

In this articlewestudy themulticast routing problem in all-opticalWDMnetworks under the spare light splitting constraint. To implement a multicast session, several light-trees may have to be used due to the limited fanouts of network nodes.…

网络与互联网体系结构 · 计算机科学 2010-12-02 Fen Zhou , Miklos Molnar , Bernard Cousin

We study a fundamental problem called Minimum Length Link Scheduling (MLLS) which is crucial to the efficient operations of wireless networks. Given a set of communication links of arbitrary length spread and assume each link has one unit…

网络与互联网体系结构 · 计算机科学 2012-08-06 Xiaohua Xu , Jiannong Cao , Xiang-Yang Li