scholarly journals Performance evaluation of WLAN in enterprise WAN with real-time applications based on OPNET modeler

2021 ◽  
Vol 21 (2) ◽  
pp. 911
Author(s):  
Mohammed Ghadhban Al-Hamiri ◽  
Haider J. Abd ◽  
Hanaa M. Al Abboodi
Keyword(s):  
Response Time ◽  
Network Performance ◽  
Wireless Local Area Network ◽  
Local Area Network ◽  
Local Area ◽  
Area Network ◽  
File Transfer ◽  
Hybrid Star ◽  
Hybrid Ring

<p><span>Wireless local area networks (WLAN) has been used recently due to their benefits which exhibits outstanding mobility with easier and faster configurations. The wireless local area network performance is much influenced by both network topology and hardware specifications and thus will impact the quality of service (QoS) parameters which are delay, load, and response time. This works estimated the performance of WLAN in enterprise WAN based on the OPNET modeler. Three scenarios have been suggested which are FDDI scenario, FDDI Hybrid Star scenario, and FDDI hybrid ring scenario involving web browsing (HTTP) and file transfer protocol (FTP). Hardware objects and software configurations kept the same for all proposed scenarios. Different types of links and topologies have been applied among WLAN subnets as well as the involved gateway has been changed to measure parameters of quality of services (QoS) for all scenarios used. The findings confirmed that the FDDI Hybrid Ring scenario presents better performance than the FDDI Hybrid Star Scenario and FDDI scenario in terms of WLAN delay, WLAN load, FTP download response time, and HTTP object response time.</span></p>

scholarly journals Performance Analysis of Wireless Local Area Network for a High-/Low-Priority Traffic Ratio at Different Numbers of Access Categories

Symmetry ◽  
2021 ◽  
Vol 13 (4) ◽  
pp. 693
Author(s):  
Kvitoslava Obelovska ◽  
Olga Panova ◽  
Vincent Karovič
Keyword(s):  
Network Performance ◽  
Wireless Local Area Network ◽  
Local Area Network ◽  
Local Area ◽  
Area Network ◽  
Large Network ◽  
Medium Access ◽  
Massive Growth ◽  
Adaptive Adjustment ◽  
The Impact

The performance of Wireless Local Area Network (WLAN) is highly dependent on the processes that are implemented in the Medium Access Control (MAC) sublayer regulated by the IEEE 802.11 standard. In turn, various parameters affect the performance of the MAC sublayer, the most important of which is the number of stations in the network and the offered load. With the massive growth of multimedia traffic, research of the network performance depending on traffic types is relevant. In this paper, we present the impact of a high-/low-priority traffic ratio on WLAN performance with different numbers of access categories. The simulation results show different impact of high-/low-priority traffic ratio on the performance of the MAC sublayer of wireless LANs depending on different network-sizes and on network conditions. Performance of the large network with two access categories and with the prevalent high-priority traffic is significantly higher than in the case of using four categories on the MAC sublayer. This allows us to conclude that the performance improvement of the large network with the prevalent high-priority traffic can be achieved by an adaptive adjustment of the access categories number on the MAC sublayer.

scholarly journals Implementasi Mos dan E-Model Untuk Mengetahui Kualitas Komunikasi Jaringan VoIP

2021 ◽  
pp. 24-27
Author(s):  
Satria Yudha Prayogi ◽  
Sony Bahagia Sinaga
Keyword(s):  
Communication Technology ◽  
Wireless Local Area Network ◽  
Local Area Network ◽  
Video Conferencing ◽  
Local Area ◽  
Voice Over Internet Protocol ◽  
Area Network ◽  
Video Communications ◽  
Voice Communication

Voice Over Internet Protocol (VoIP) is a voice communication technology (voice) that uses IP which can be done electronically and in realtime. In building VoIP devices used such as IPPBX Server, IPPBX Gateway IP and other supporting devices such as mikrotik. To design VoIP generally implemented using a local area network (LAN) or a wireless local area network (WLAN). In this study, an analysis of the quality of VoIP network communication is to determine the problems caused by communication using VoIP, so that VoIP can be used to maximize the existing internet network. This VoIP network can save costs when communicating such as video communications or video conferencing.

Multi-Access Environments in Next Generation Networks

2011 ◽  
pp. 1-17 ◽  
Author(s):  
Rajeshkumar Ramraj ◽  
Iftekhar Ahmad ◽  
Daryoush Habibi
Keyword(s):  
Wireless Local Area Network ◽  
Local Area Network ◽  
Local Area ◽  
Fourth Generation ◽  
Area Network ◽  
Research Issues ◽  
Wireless Environment ◽  
Multi Access

Wireless heterogeneous environment is becoming increasingly popular because of its ability to support multi access technologies, which keeps the mobile users always connected. The fourth generation (4G) of wireless environment consists of dissimilar technologies like Worldwide Interoperability for Microwave Access (WiMAX) and Long Term Evolution-Advanced (LTE-A). Coexistence of these standards presents technological challenges. Other challenges towards heterogenous 4G environment include coexistence of third generation (3G) and 4G and coexistence of Wireless Local Area Network (WLAN) and 3G/4G technologies. This chapter presents the technical overview of the 4G (WiMAX and LTE-A) standards and identifies the challenges and research issues (i.e., mobility management, network selection, handover, and Quality of Service [QoS]) toward a multi-access environment that consists of 3G, 4G, and WLAN technologies. The chapter also discusses future directions and some research solutions.

scholarly journals OPTIMASI NIRKABEL LOCAL AREA NETWORK FAKULTAS TEKNIK KAMPUS SUDIRMAN UNIVERSITAS UDAYANA

2018 ◽  
Vol 5 (1) ◽  
pp. 101
Author(s):  
Komang Yuda Krisnawan ◽  
Nyoman Putra Sastra ◽  
N.M.A.E.D. Wirastuti
Keyword(s):  
Wireless Local Area Network ◽  
Local Area Network ◽  
Access Point ◽  
Local Area ◽  
Area Network ◽  
Network Coverage ◽  
Wireless Technology ◽  
Coverage Quality ◽  
The Ideal

One of the changes in the field of telecommunications is the use of wireless technology. Wireless technology is applied to computer networks better known as Wireless Local Area Network (WLAN). Network coverage quality measurements can be seen from categories of delay or suspension, excess queues on the network, increased traffic, and output results. By using Wi-Fi Analyzer and Ekahau software we get the Quality of Service (QoS) value to see how good the coverage of the existing wireless network is. The result of the measurement is analyzed to get the adjustment of the wireless area coverage formula so that it can find the maximum range used as a reference in placing the ideal access point. The addition of access point points is done on all buildings where at some point the area can not be reached as a whole.

WIRELESS LOCAL AREA NETWORK PERFORMANCE IN A BLUETOOTH INTERFERENCE ENVIRONMENT

2004 ◽  
Vol 02 (01) ◽  
pp. 19-34
Author(s):  
RANDALL B. NOEL ◽  
RUSTY O. BALDWIN ◽  
RICHARD A. RAINES ◽  
MICHAEL A. TEMPLE
Keyword(s):  
Network Performance ◽  
Wireless Local Area Network ◽  
Local Area Network ◽  
Local Area ◽  
Area Network

scholarly journals The Weakness Examination of Wireless Network Security at the Hospital using QoS

2019 ◽  
Vol 8 (6S2) ◽  
pp. 1045-1050
Keyword(s):  
Computer Networks ◽  
Network Performance ◽  
Wireless Local Area Network ◽  
Local Area Network ◽  
Flow Analysis ◽  
Local Area ◽  
Area Network ◽  
Data Flow Analysis ◽  
Availability Analysis ◽  
Network Availability

Computer networks today are a much needed service. Computer networks enable the shared use of data, software and tools. So that the working group can be communicate more effectively and efficiently. This study aims to determine the existing QoS in Surya Asih Hospital and analyze the deficiencies. (Bahasa: Hospital is Rumah Sakit (RS)) In this research started from collecting data that exist in location either that support hardware or connection internet RS Surya Asih have used Wireless Local Area Network (WLAN) network service. WLAN is a network where can be exchanged data and resources between computers in one building. To know the performance of WLAN network (Wireless Local Area Network In RS Surya Asih, it should be done a measurement analysis of network performance parameters QoS (Quality of Services) is the ability to guarantee the delivery of important data flow Analysis of the performance of WLAN (Wireless Local Area Network) Surya Asih stressed the process of monitoring and measuring network parameters on the network infrastructure such as access speed and transmission capacity, from the point of delivery to the point of receiver that became the demands, the parameters used Bandwidth, Throughput, Delay and Packet Loss. Superior LAN on RS Surya Asih has reliability sufficient maintenance and good network availability Analysis of network performance is seen through Wireshark, Uptime and Downtime results are not bad, The availability of complete devices and fulfilled according to reliability and maintenance is not difficult. QoS parameter test results that bandwidth management shows the use of more bandwidth and evenly distributed to every user of RS Surya Asih Pringsewu network.

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