scholarly journals Building Scalable and Secure Multicast Delivery Infrastructure in a Local Area Network

Electronics ◽  
2019 ◽  
Vol 8 (10) ◽  
pp. 1162 ◽  
Author(s):  
Prakash Veeraraghavan ◽  
Dalal Hanna ◽  
Eric Pardede
Keyword(s):  
Routing Protocols ◽  
Local Area Network ◽  
Local Area ◽  
Area Network ◽  
Secure Multicast ◽  
Ip Multicasting ◽  
Ip Network ◽  
Identity Based ◽  
And Performance ◽  
Malicious Intent

Internet Protocol (IP) multicasting is a method for one-to-many and many-to-many communication between hosts in an IP network. This communication happens in a real-time synchronous fashion. It is a useful mechanism for distributing management data in a Local Area Network (LAN). Management data includes frequent updating of host Operating System (OS), security patches, OS update for network hardware, new configuration updates, etc. In the absence of any admission control or a source identification, any host with malicious intent can disseminate malicious codes or rootkits exploiting the underlying multicast framework. Routing protocols like RIPv2 and OSPF use a certain form of authentication to exchange routing information with their peer routers. However, their authentication and the distribution of routing information in its present form has several security and performance-related issues. Motivated through these problems, in this paper, we propose an efficient and scalable multicast architecture for distributing management and routing information in a LAN. We use Core-based Tree (CBT) for constructing the multicast delivery tree and the pseudo identity-based encryption of the underlying cryptosystem. We also demonstrate that our proposed multicast architecture is immune to a number of popular attacks.

scholarly journals The convergency of some routing protocols

1996 ◽  
Vol 143 ◽  
pp. 13-29
Author(s):  
Takuji Kawamoto
Keyword(s):  
Routing Protocols ◽  
Local Area Network ◽  
Local Area ◽  
Area Network

In every network, many nodes with brains are connected by many links each other. Some nodes are, for example, computers, terminals, or routers. The both ends of a link can communicate directly each other. For example, local area network, in which every nodes are directly connected each other, looks like Figure 1, then every nodes can communicate directly to others.

scholarly journals Comparison and Performance Evaluation on Microstrip Patch Antenna for WLAN Application

2016 ◽  
Vol 4 (3) ◽  
pp. 80-84
Author(s):  
Meenal Kate ◽  
Anjana Goen
Keyword(s):  
Patch Antenna ◽  
Wireless Local Area Network ◽  
Local Area Network ◽  
Ground Plane ◽  
Local Area ◽  
Microstrip Patch Antenna ◽  
Dual Band ◽  
Area Network ◽  
Microstrip Patch ◽  
And Performance

This paper present a comparative study between two works proposed for microstrip patch antenna dual band operations. The comparison is made between a dual-band planar antenna with a compact radiator for 2.4/5.2/5.8-GHz Wireless Local Area Network (WLAN) applications and a printed circular microstrip patch antenna with a four rectangular shape strip and co planar rectangular ground plane antenna. The comparative analysis between these two antennas consist of following parameters such as dimensions, bandwidth, gain, return loss, directivity etc.

scholarly journals Optimization of Multi-Band Characteristics in Fan-Stub Shaped Patch Antenna for LTE (CBRS) and WLAN Bands

2021 ◽  
Vol 18 ◽  
Author(s):  
Khalid Ali Khan ◽  
Suleyman Malikmyradovich Nokerov
Keyword(s):  
Patch Antenna ◽  
Return Loss ◽  
Wireless Local Area Network ◽  
Local Area Network ◽  
Local Area ◽  
Area Network ◽  
Broadband Radio ◽  
And Performance ◽  
4G Lte ◽  
The Impact

This study aims to optimize a fan-stub slot patch to get better suitability and performance for Citizens Broadband Radio Service (CBRS). The transition from the tedious configuration of slotted patch antenna in fan-stub shape is evaluated. Also, the impact of stub width W, stub length L, and its orientation are tested. Multiple simulation tests ensure the uniqueness in the type of slots or stubs that affect the multiband nature of patch. The optimization of basic fan-stub structure on return loss S11, Voltage Standing Wave Ratio (VSWR), and the operating band at the desired frequency is performed to accommodate the federal and non-federal use of the band. The simulation results show that the designed antenna is technically suitable to cover 4G LTE in CBRS (LTE-43 and LTE-48 band) as well as 5.5 GHz Wireless Local Area Network (WLAN) band of operation.

scholarly journals Monitoring Combustion Turbine Performance in the Electric Utility Industry

1995 ◽  
Author(s):  
Richard M. Baldwin ◽  
Anthony J. Smalley ◽  
James E. Terrell ◽  
Robert Prince ◽  
Charles N. Gray ◽  
...  
Keyword(s):  
Local Area Network ◽  
Diagnostic System ◽  
Local Area ◽  
Electric Utility ◽  
Area Network ◽  
Service Reliability ◽  
Vibration Data ◽  
Software Modules ◽  
And Performance ◽  
High Level

This paper describes a monitoring and diagnostic system implemented on four Westinghouse 501 B4 peaking combustion turbines at the Tennessee Valley Authority’s (TVA’s) Gallatin Combustion Turbine Site, near Nashville, Tennessee. As a follow-up to a maintenance upgrade on the turbine trains, a means was sought to maximize service reliability and minimize labor and maintenance. The system consists of a vibration data acquisition system, ports to access control system data, a local area network, and software to diagnose vibration and performance problems. The analysis software modules expand the state-of-the-art by automated extraction of high level information from sampled raw data and they provide recommendations in graphical, tabular, and interactive formats. The software algorithms are designed to reduce required user expertise and input, and to enhance guidance to operators for appropriate action.

Circular Patch Antenna with Defected Ground for UWB Communication with WLAN Band Rejection

2016 ◽  
Vol 66 (2) ◽  
pp. 162 ◽  
Author(s):  
K. G. Jangid ◽  
Ajay Tiwari ◽  
Vijay Sharma ◽  
V.S. Kulhar ◽  
V.K. Saxena ◽  
...  
Keyword(s):  
Patch Antenna ◽  
Wireless Local Area Network ◽  
Local Area Network ◽  
Coplanar Waveguide ◽  
Local Area ◽  
Simulation Software ◽  
Area Network ◽  
Circular Patch ◽  
Circular Patch Antenna ◽  
And Performance

<p>The design and performance of coplanar waveguide fed modified circular patch antenna for possible application in ultra wideband communication systems with band rejection for upper wireless local area network band (5.15 GHz - 5.85 GHz) is reported. This antenna is designed on glass epoxy FR4 substrate having size 30 mm × 20 mm × 1.59 mm. The coplanar waveguide fed circular patch antenna is modified by introducing L shaped slits in ground plane and U shaped slot in patch and performance analysis of antenna is simulated by applying CST microwave studio simulation software. Different designed antennas were tested with available experimental facilities. The developed end product shows a nice matching with feed network at frequencies 2.62 GHz, 3.94 GHz and 8.50 GHz and provides 10.38 GHz (3.33 GHz - 13.71 GHz) impedance bandwidth with wireless local area network 5.5 GHz (4.74 GHz - 6.15 GHz) band rejection. The co and cross polar patterns in elevation and azimuth planes at two frequencies namely 2.62 GHz and 3.94 GHz are obtained which dictate that co-polar patterns are significantly better than cross polar patterns. The simulated peak gain of antenna is close to 3.86 dBi and gain variation with frequency shows a sharp gain decrease in the frequency range 4.74 GHz to 6.15 GHz.</p><p> </p>

A Managerial Perspective of Mobile VoIP

2010 ◽  
pp. 874-881
Author(s):  
Mahesh S. Raisinghani
Keyword(s):  
Local Area Network ◽  
Low Cost ◽  
Local Area ◽  
Internet Technology ◽  
Area Network ◽  
Communication Services ◽  
Voice Communication ◽  
Broadband Internet ◽  
Mobile Telephones ◽  
Ip Network

Voice over IP (VoIP) is the convergence of Internet technology and mobile telephones that offers low-cost voice communication services. It is still in its infancy but has a potential to be adopted by masses in the future, as the technology matures. VoIP is a technology that is used to make telephone calls using a broadband internet connection instead of a regular phone line. There are some services that allow the users to make calls to other people with the same service; other services allow the user to make calls to any number (FCC Web site). VoIP traffic can be deployed on any IP network. It also includes the ones not having connection with the rest of the Internet such as local area network (LAN) (Wikepedia.org).

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