中文
相关论文

相关论文: Comparative Study of Various VOIP Applications in …

200 篇论文

Current Gigabit-class passive optical networks (PONs) evolve into next-generation PONs, whereby high-speed 10+ Gb/s time division multiplexing (TDM) and long-reach wavelength-broadcasting/routing wavelength division multiplexing (WDM) PONs…

信息论 · 计算机科学 2013-11-06 Frank Aurzada , Martin Lévesque , Martin Maier , Martin Reisslein

In this paper, we design a simple, low-cost, and low-power wake-up receiver which can be used for an IEEE 802.11-compliant device to remotely wake up the other devices by utilizing its own wireless LAN (WLAN) signals. The employed wake-up…

网络与互联网体系结构 · 计算机科学 2016-11-17 Hiroyuki Yomo , Yoshihisa Kondo , Noboru Miyamoto , Suhua Tang , Masahito Iwai , Tetsuya Ito

Wireless local area networks (WLANs) empowered by IEEE 802.11 (Wi-Fi) hold a dominant position in providing Internet access thanks to their freedom of deployment and configuration as well as the existence of affordable and highly…

网络与互联网体系结构 · 计算机科学 2022-10-07 Szymon Szott , Katarzyna Kosek-Szott , Piotr Gawłowicz , Jorge Torres Gómez , Boris Bellalta , Anatolij Zubow , Falko Dressler

This letter analyzes the performance of uplink integrated sensing and communications (ISAC) systems where communication users (CUs) and radar targets (RTs) share the same frequency band. A non-orthogonal multiple access (NOMA) protocol is…

信息论 · 计算机科学 2022-05-30 Chongjun Ouyang , Yuanwei Liu , Hongwen Yang

M2M communications are projected to be one of the fastest growing technology segments of the IT sector in the next years. Sensor and actuator networks connect communication machines and devices so that they automatically transmit…

网络与互联网体系结构 · 计算机科学 2014-10-07 T. Adame , A. Bel , B. Bellalta , J. Barcelo , M. Oliver

With the wireless internet access being increasingly popular with services such as HD video streaming and so on, the demand for high data consuming applications is also rising. This increment in demand is coupled with a proportional rise in…

网络与互联网体系结构 · 计算机科学 2024-07-26 Haneet Kour , Rakesh Kumar Jha , Sanjeev Jain

The Vehicle to Vehicle and Vehicle to Infrastructure V2X communication systems are one of the main topics in research domain. Its performance evaluation is an important step before their on board integration into vehicles and its probable…

网络与互联网体系结构 · 计算机科学 2014-10-30 Aymen Sassi , Faiza Charfi , Lotfi Kamoun , Yassin Elhillali , Atika Rivenq

Since its first release, WiFi has been highly successful in providing wireless local area networks. The ever-evolving IEEE 802.11 standards continue to add new features to keep up with the trend of increasing numbers of mobile devices and…

网络与互联网体系结构 · 计算机科学 2025-01-13 Natong Lin , Zelin Yun , Shengli Zhou , Song Han

Recently, the millimeter wave (mmWave) band has been investigated as a means to support the foreseen extreme data rate demands of emerging automotive applications, which go beyond the capabilities of existing technologies for vehicular…

网络与互联网体系结构 · 计算机科学 2018-07-05 Marco Giordani , Andrea Zanella , Takamasa Higuchi , Onur Altintas , Michele Zorzi

A recently conducted indoor-to-outdoor measurement campaign for investigating the propagation characteristics of an $8 \times 8$ virtual multiple-input-multiple-output (MIMO) based wireless sensor network (WSN) is presented in this paper.…

信号处理 · 电气工程与系统科学 2020-07-03 I. Dey , M. Majid Butt , N. Marchetti

Wireless Multi-hop Networks (WMhNs) provide users with the facility to communicate while moving with whatever the node speed, the node density and the number of traffic flows they want, without any unwanted delay and/or disruption. This…

网络与互联网体系结构 · 计算机科学 2013-06-05 N. Javaid , R. D. Khan , M. Ilahi , L. Ali , Z. A. Khan , U. Qasim

Wireless communication systems are to use millimeter-wave (mmWave) spectra, which can enable extra radar functionalities. In this paper, we propose a multi-target velocity estimation technique using IEEE 802.11ad waveform in a…

信息论 · 计算机科学 2022-06-28 Geonho Han , Sucheol Kim , Junil Choi

With the fast development of wireless sensor networks (WSN), more attentions are paid to high data rate transmission of WSN, and hence, in IEEE 802.15.4a standard, ultra-wideband (UWB) is introduced as one of the physical layer technique to…

信号处理 · 电气工程与系统科学 2018-01-09 Xuanli Wu , Yang Cao , Xiaozong Yang , Chao Luo

With the emergence of new technologies and a growing number of wireless networks, we face the problem of radio spectrum shortages. As a result, identifying the wireless channel spectrum to exploit the channel's idle state while also…

信号处理 · 电气工程与系统科学 2024-08-23 Hanieh Rashidpour , Hossein Bahramgiri

Communication systems in practice are subject to many technical/technological constraints and restrictions. MIMO processing in current wireless communications, as an example, mostly employs codebook based pre-coding to save computational…

信息论 · 计算机科学 2015-09-09 Erich Zöchmann , Stefan Schwarz , Stefan Pratschner , Lukas Nagel , Martin Lerch , Markus Rupp

We consider a hybrid wireless local area network composed of both WiFi and LiFi Access Points (AP) and wireless devices. Each device is identified in the network by a unique IP address, using a virtual network interface obtained by bonding…

网络与互联网体系结构 · 计算机科学 2022-06-02 Loreto Pescosolido , Emilio Ancillotti , Andrea Passarella

Since 2016, all of four major U.S. operators have rolled out nationwide Wi-Fi calling services. They are projected to surpass VoLTE (Voice over LTE) and other VoIP services in terms of mobile IP voice usage minutes in 2018. They enable…

密码学与安全 · 计算机科学 2018-11-30 Tian Xie , Guan-Hua Tu , Bangjie Yin , Chi-Yu Li , Chunyi Peng , Mi Zhang , Hui Liu , Xiaoming Liu

VLBI is gradually moving to the point where Gbps data rates are becoming routine. A number of experiments have shown that the internet can be used at data rates of several hundred Mbps on production networks. However use of the network is…

天体物理学 · 物理学 2007-05-23 R. Spencer , R. Hughes-Jones , A. Mathews , S. O'Toole

Wireless local area networks (WLANs) are the most popular kind of wireless Internet connection because of their simplicity of deployment and operation. As a result, the number of devices accessing the Internet through WLANs such as laptops,…

网络与互联网体系结构 · 计算机科学 2019-01-01 Sergio Barrachina-Muñoz , Francesc Wilhelmi , Boris Bellalta

Nowadays, IEEE 802.11, i.e., Wi-Fi has emerged as a prevailing technology for broadband wireless networking. To meet the tremendous rise of demand for future generation wireless LANs, a robust and efficient MAC protocol is required for the…

网络与互联网体系结构 · 计算机科学 2023-04-04 Gazi Zahirul Islam