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Optimizing microservice placement to enhance the reliability of services is crucial for improving the service level of microservice architecture-based mobile networks and Internet of Things (IoT) networks. Despite extensive research on…

网络与互联网体系结构 · 计算机科学 2025-05-13 Fangyu Zhang , Yuang Chen , Hancheng Lu , Yongsheng Huang

We study an one-hop device-to-device (D2D) assisted wireless caching network, where popular files are randomly and independently cached in the memory of end-users. Each user may obtain the requested files from its own memory without any…

信息论 · 计算机科学 2015-12-18 Lin Zhang , Ming Xiao , Gang Wu , Shaoqian Li

In distributed storage systems that employ erasure coding, the issue of minimizing the total {\it repair bandwidth} required to exactly regenerate a storage node after a failure arises. This repair bandwidth depends on the structure of the…

信息论 · 计算机科学 2011-06-10 Dimitris S. Papailiopoulos , Alexandros G. Dimakis

Designing optimal strategies to deploy small cell stations is crucial to meet the quality-of-service requirements in next-generation cellular networks with constrained deployment costs. In this paper, a general deployment framework is…

信息论 · 计算机科学 2016-02-22 Xiangxiang Xu , Walid Saad , Xiujun Zhang , Limin Xiao , Shidong Zhou

In wireless control systems, remote control of plants is achieved through closing of the control loop over a wireless channel. As wireless communication is noisy and subject to packet dropouts, proper allocation of limited resources, e.g.…

系统与控制 · 电气工程与系统科学 2019-10-29 Vinicius Lima Silva , Mark Eisen , Konstantinos Gatsis , Alejandro Ribeiro

We consider wireless networks that can be modeled by multiple access channels in which all the terminals are equipped with multiple antennas. The propagation model used to account for the effects of transmit and receive antenna correlations…

信息论 · 计算机科学 2010-11-24 E. V. Belmega , S. Lasaulce , M. Debbah , M. Jungers , J. Dumont

This paper considers the weighted sum rate (WSR) maximized resource allocation (RA) constrained by a system sum power in an orthogonal frequency division multiple access (OFDMA) downlink transmission system assisted by multiple…

信息论 · 计算机科学 2015-05-28 Tao Wang , Luc Vandendorpe

The rate optimization for wireless networks with low SNR is investigated. While the capacity in the limit of disappearing SNR is known to be linear for fading and non-fading channels, we study the problem of operating in low SNR wireless…

信息论 · 计算机科学 2010-08-03 Mohit Thakur , Muriel Médard

In this paper, we aim to maximize the energy efficiency of cellular wireless networks. Specifically, we address the power allocation problem in multi-cell multi-carrier systems. Considering realistic base station power consumption models,…

网络与互联网体系结构 · 计算机科学 2016-10-18 Kemal Davaslioglu , Cemil Can Coskun , Ender Ayanoglu

The performance of distributed storage systems deployed on wide-area networks can be improved using weighted (majority) quorum systems instead of their regular variants due to the heterogeneous performance of the nodes. A significant…

分布式、并行与集群计算 · 计算机科学 2023-06-26 Hasan Heydari , Guthemberg Silvestre , Alysson Bessani

Resource allocation is conceived for cell-free (CF) massive multi-input multi-output (MIMO)-aided ultra-reliable and low latency communication (URLLC) systems. Specifically, to support multiple devices with limited pilot overhead, pilot…

信号处理 · 电气工程与系统科学 2023-03-22 Qihao Peng , Hong Ren , Mianxiong Dong , Maged Elkashlan , Kai-Kit Wong , Lajos Hanzo

In this paper, we study the problem of wireless sensor network (WSN) maintenance using mobile entities called mules. The mules are deployed in the area of the WSN in such a way that would minimize the time it takes them to reach a failed…

网络与互联网体系结构 · 计算机科学 2017-02-15 Danny Hermelin , Michael Segal , Harel Yedidsion

In this paper, we consider a hybrid millimeter wave (mmWave) and micro wave ($\mu$Wave) network from the perspective of \emph{wireless caching} and study the optimal probabilistic content/file caching placement at desirable base stations…

信号处理 · 电气工程与系统科学 2018-03-28 Sudip Biswas , Tong Zhang , Keshav Singh , Satyanarayana Vuppala , Tharmalingam Ratnarajah

This paper describes a non-homogeneous distributed storage systems (DSS), where there is one super node which has a larger storage size and higher reliability and availability than the other storage nodes. We propose three distributed…

信息论 · 计算机科学 2012-08-13 Vo Tam Van , Chau Yuen , Jing Li

To improve signal-to-interference ratio (SIR) and make better use of file diversity provided by random caching, we consider two types of linear receivers, i.e., maximal ratio combining (MRC) receiver and partial zero forcing (PZF) receiver,…

信息论 · 计算机科学 2018-01-10 Dongdong Jiang , Ying Cui

Large-scale storage cluster systems need to manage a vast amount of data locations. A naive data locations management maintains pairs of data ID and nodes storing the data in tables. However, it is not practical when the number of pairs is…

分布式、并行与集群计算 · 计算机科学 2017-07-05 Ken-ichiro Ishikawa

Cache-enabled device-to-device (D2D) networks turn memory of the devices at the network edge, such as smart phones and tablets, into bandwidth by enabling asynchronous content sharing directly between proximate devices. Limited storage…

信息论 · 计算机科学 2016-03-08 Mehrnaz Afshang , Harpreet S. Dhillon

Recently, utilizing renewable energy for wireless system has attracted extensive attention. However, due to the instable energy supply and the limited battery capacity, renewable energy cannot guarantee to provide the perpetual operation…

网络与互联网体系结构 · 计算机科学 2016-11-17 Weiqiang Xu , Yushu Zhang , Qingjiang Shi , Xiaodong Wang

In this paper, we study distributed storage problems over unidirectional ring networks, whose storage nodes form a directed ring and data is transmitted along the same direction. The original data is distributed to store on these nodes.…

信息论 · 计算机科学 2014-04-15 Jiyong Lu , Xuan Guang , Fang-Wei Fu

In this paper, we devise the optimal caching placement to maximize the offloading probability for a two-tier wireless caching system, where the helpers and a part of users have caching ability. The offloading comes from the local caching,…

信息论 · 计算机科学 2015-11-04 Jun Rao , Hao Feng , Chenchen Yang , Zhiyong Chen , Bin Xia