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Studying the capacity of wireless multi-hop networks is an important problem and extensive research has been done in the area. In this letter, we sift through various capacity-impacting parameters and show that the capacity of both static…

网络与互联网体系结构 · 计算机科学 2012-07-06 Guoqiang Mao

With the fast development of high-speed railway (HSR), the demand for mobile communication on high-speed trains is increasingly growing. This leads to significant attention on the study of resource management in HSR wireless communications…

网络与互联网体系结构 · 计算机科学 2016-01-11 Shengfeng Xu , Gang Zhu

To achieve the expected 1000x data rates under the exponential growth of traffic demand, a large number of base stations (BS) or access points (AP) will be deployed in the fifth generation (5G) wireless systems, to support high data rate…

网络与互联网体系结构 · 计算机科学 2017-07-18 Mingjie Feng , Shiwen Mao , Tao Jiang

The ability to reliably predict the future quality of a wireless channel, as seen by the media access control layer, is a key enabler to improve performance of future industrial networks that do not rely on wires. Knowing in advance how…

网络与互联网体系结构 · 计算机科学 2023-06-16 Gabriele Formis , Stefano Scanzio , Gianluca Cena , Adriano Valenzano

Broadband communications consists of the technologies and equipment required to deliver packet-based digital voice, video, and data services to end users. Broadband affords end users high-speed, always-on access to the Internet while…

网络与互联网体系结构 · 计算机科学 2010-01-26 S. S. Riaz Ahamed , D. Mahesh

Stability with respect to a given scheduling policy has become an important issue for wireless communication systems, but it is hard to prove in particular scenarios. In this paper two simple conditions for stability in broadcast channels…

网络与互联网体系结构 · 计算机科学 2009-04-16 Chan Zhou , Gerhard Wunder

For high-speed train (HST) millimeter wave (mmWave) communications, the use of narrow beams with small beam coverage needs frequent beam switching, while wider beams with small beam gain leads to weaker mmWave signal strength. In this…

信息论 · 计算机科学 2024-11-28 Jingjia Huang , Chenhao Qi , Octavia A. Dobre , Geoffrey Ye Li

This paper investigates the handover performance on high speed train (HST) via different speed under three scenarios, which are viaduct environment, cutting environment and urban area. To provide stable wireless service, we adopt Long Term…

网络与互联网体系结构 · 计算机科学 2017-03-30 Jingxian Liu , Xiyu Wang

Aerial base stations (ABSs) have emerged as a promising solution to meet the high traffic demands of future wireless networks. Nevertheless, their practical implementation requires efficient utilization of limited payload and onboard…

网络与互联网体系结构 · 计算机科学 2023-10-10 Siva Satya Sri Ganesh Seeram , Shuai Zhang , Mustafa Ozger , Andre Grabs , Jaroslav Holis , Cicek Cavdar

Reconfigurable intelligent surface (RIS) emerges as an efficient and promising technology for the next wireless generation networks and has attracted a lot of attention owing to the capability of extending wireless coverage by reflecting…

信息论 · 计算机科学 2023-10-20 Changzhu Liu , Ruisi He , Yong Niu , Zhu Han , Bo Ai , Meilin Gao , Zhangfeng Ma , Gongpu Wang , Zhangdui Zhong

In this paper, we study the optimal placement and optimal number of base stations added to an existing wireless data network through the interference gradient method. This proposed method considers a sub-region of the existing wireless data…

网络与互联网体系结构 · 计算机科学 2011-08-04 Salman Malik , Alonso Silva , Jean-Marc Kelif

Delivering reliable and high-capacity Internet connectivity to high-speed train users is a challenge. Modern railway cars act as Faraday cages and a typical train consist comprises several hundreds of users moving at high velocity.…

网络与互联网体系结构 · 计算机科学 2021-05-17 Nima Jamaly , Stefan Mauron , Ruben Merz , Adrian Schumacher , Daniel Wenger

Urban rail transit is the backbone of urban transportation, and thus it is significant to understand its vulnerability, i.e., whether the system can still maintain normal operations when facing operational disturbances with different…

动力系统 · 数学 2022-10-11 Shouzheng Pan , Jia He , Ning Jia , Der-Horng Lee , Zhengbing He

We study in this paper the integration of elastic and streaming traffic on a same link in an IP network. We are specifically interested in the computation of the mean bit rate obtained by a data transfer. For this purpose, we consider that…

网络与互联网体系结构 · 计算机科学 2007-08-13 Nelson Antunes , Christine Fricker , Fabrice Guillemin , Philippe Robert

Both capacity and latency are crucial performance metrics for the optimal operation of most networking services and applications, from online gaming to futuristic holographic-type communications. Networks worldwide have witnessed important…

网络与互联网体系结构 · 计算机科学 2023-06-09 Gonzalo Martínez , José Alberto Hernández , Pedro Reviriego , Paul Reinheimer

Inspired by the work of Atar and Miyazawa [1] (2026) as well as applications to energy-saving problems, we are interested in the heavy-traffic limit of the stationary queue length distribution, which is not addressed in [1]. In this paper,…

概率论 · 数学 2026-04-13 Masahiro Kobayashi , Masakiyo Miyazawa , Yutaka Sakuma

The radio spectrum is characterized by a noticeable variability, which impairs performance and determinism of every wireless communication technology. To counteract this aspect, mechanisms like Minstrel are customarily employed in real…

网络与互联网体系结构 · 计算机科学 2024-11-20 Gianluca Cena , Gabriele Formis , Matteo Rosani , Stefano Scanzio

Recently, video broadcast/multicast over wireless networks has created a significant interest in the field of wireless communication. However, the wireless resources have limitations to broadcast/multicast many video sessions at the same…

网络与互联网体系结构 · 计算机科学 2018-10-08 Mostafa Zaman Chowdhury , Young-Il Kimb , Won Ryub , Yeong Min Jang

Suppose sender-receiver transmission links in a downlink network at given data rate are subject to fading, path-loss and inter-cell interference, and that transmissions either pass, suffer loss, or incur retransmission delay. We introduce a…

概率论 · 数学 2023-06-29 Ingemar Kaj , Taisiia Morozova

In this paper, we study network reliability in relation to a periodic time-dependent utility function that reflects the system's functional performance. When an anomaly occurs, the system incurs a loss of utility that depends on the…

信息论 · 计算机科学 2023-01-16 Ali Maatouk , Fadhel Ayed , Shi Biao , Wenjie Li , Harvey Bao , Enrico Zio