QoS of Wi-Fi performance based on signal strength and channel for indoor campus network

Ghafar, Adiba Abd; Kassim, Murizah; Ya’acob, Norsuzila; Mohamad, Rosfarizan; Rahman, Ruhani Ab

doi:10.11591/eei.v9i5.2251

Cited by 9 publications

(7 citation statements)

References 22 publications

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“…The MQTT has different levels of quality of service (QoS), thereby the QoS was analyzed by two parameters, those are pocket loss and delay time [27]. Those two parameters determine which QoS will be chosen for this system.…”

Section: Methodsmentioning

confidence: 99%

Real-time wireless temperature measurement system of infant incubator

Sukma

ARDIATNA²,

Novitasari³

et al. 2023

IJECE

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The internet of things (IoT) has allowed for ubiquitous measurement. Infant incubator temperature is one of crucial parts that need to be measured, especially for the stability and uniformity temperature. Based on the interpretation of IEC 60601-2-19, we proposed measurement method using IoT with the message queue telemetry transport (MQTT). In the 10,000 packet, the result shows the quality of service (QoS) level 2 of the system has the highest delay, however it has the lowest packet loss data than the other QoS. For 1 hour, the uniformity result and stability can fulfill the standards. Uniformity of 32°C, the lowest difference is point C with 0.32 °C, and the highest difference is point B with 0.75 °C. Uniformity of 36 °C, the lowest difference is point B with 0.27 °C, and the highest difference is point C with 0.79 °C. The stability of 32 °C and 36 °C is 0.32 °C and 0.44 °C, respectively. Moreover, the Kruskal Wallis test shows the highest difference average from point M is point A and B. It occurred because of the point A and B located far from the heater part, so the point A and B colder than point C.

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Section: Methodsmentioning

confidence: 99%

Real-time wireless temperature measurement system of infant incubator

Sukma

ARDIATNA²,

Novitasari³

et al. 2023

IJECE

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“…The main feature in iHCF is the introduction of transmissioni opportunity concept (TXOPi ) which is a time period where a QoS aware station (Q-STA) can send a frame burst. TXOPlimit is the maximum value of TXOP, this value is assigned by QoS enhanced access point to make delay control [22]. In IEEE 802.11ac (and depended on the size of transmitted data) the DBCA is utilized to specify the required channel width and as a result the needed TXOP will be reserved.…”

Section: Research Methods and Materialsmentioning

confidence: 99%

On the evaluation of the IEEE 802.11ac WLAN performance with QoS deployment

Farej

Ali

2021

IJEECS

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The increase in the number of users on wireless local area networks (WLAN) and the development of large size applications have increased the demand for high-speed data rate and low latency. The IEEE 802.11ac was developed to provide very high throughput WLANs. Many enhancements are added to the medium access control (MAC) and physical (PHY) layers to increase data rate and improve network performance, these features enable the IEEE 802.11ac standard to provide quality of service (QoS) for multimedia applications. This paper concentrates on the impact of QoS on the system performance in term of delay and throughput. Four scenarios are proposed to investigate the network performance with different (from 1 up to 8) spatial stream (SS). The objective modular network testbed in C++ (OMNet++ modeler v5.5.1) is used to simulate and model these scenarios. For 8×8 SS, the results of simulation show the best throughput (maximum) and delay (minimum) values of (622, 484, 399.3, 382.96 Mbps) and (0.0211, 0.0589, 0.1037, 0.1202 sec) for 5, 15, 30 and 45 node number scenarios respectively. Although the number of nodes increases, the system performance decreases, however when QoS is deployed the performance is enhanced and its best improvement is obtained at the highest (45) node number scenario with values of 94.4% and 56.1% for throughput and delay respectively.

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“…Untuk memastikan jaringan wireless dapat bekerja dengan baik, maka monitoring itu di perlukan. Monitoring jaringan wireless dapat dilakukan menggunakan tools untuk mengecek network traffic, kecepatan, dan kekuatan sinyal dari setiap jaringan yang ada (Ghafar et al, 2020).…”

Section: Pendahuluanunclassified

Analisis Quality of Service (QoS) Jaringan Wireless 2.4 GHz dan 5 GHz di Dalam Ruangan dengan Hambatan Kaca

Prasetyo¹,

Tan²

2021

jitika

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Jaringan wireless sudah menjadi kebutuhan bagi masyarakat sebagai pengguna smartphone, laptop, dan perangkat lainnya. Masing-masing perangkat yang dimiliki mempunyai wireless adapter yang mampu menerima frekuensi sinyal berbeda untuk terhubung ke jaringan wireless yang telah disediakan di tempat kerja, umum, dan tempat lainnya. Pada zaman sekarang ini banyak gedung atau ruangan tidak lagi dihalangi oleh beton maupun gypsum terutama di perkantoran masing-masing ruangan hanya dihalangi oleh kaca. Penelitian ini bertujuan untuk menganalisis frekuensi mana yang cocok untuk digunakan oleh user dalam ruangan berhambatan kaca. Penelitian ini dilakukan dengan menggunakan metode QoS dengan parameter throughput, delay, jitter, dan packet loss. Penelitian ini menghasilkan angka dari perhitungan masing-masing parameter QoS sebagai acuan untuk menentukan frekuensi yang cocok untuk digunakan dalam ruangan berhambatan kaca. Kata Kunci: Jaringan Wireless; QoS; Frekuensi ABSTRACT. Wireless networks have become a necessity for the community as users of smartphones, laptops, and other devices. Each device owned has a wireless adapter that able to receive different signal frequencies to connect to wireless networks that have been provided at work, public, and other places. In this day, many buildings or rooms are no longer blocked by concrete or gypsum, especially in offices where each room is only blocked by glass. This study aims to analyze which frequencies are suitable for use by users in rooms with glass barriers. This research was conducted using the QoS method with parameters of throughput, delay, jitter, and packet loss. This study produces a number from the calculation of each QoS parameter as a reference to determine the suitable frequency for use in a glass-inhibited room.

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QoS of Wi-Fi performance based on signal strength and channel for indoor campus network

Cited by 9 publications

References 22 publications

Real-time wireless temperature measurement system of infant incubator

Real-time wireless temperature measurement system of infant incubator

On the evaluation of the IEEE 802.11ac WLAN performance with QoS deployment

Analisis Quality of Service (QoS) Jaringan Wireless 2.4 GHz dan 5 GHz di Dalam Ruangan dengan Hambatan Kaca

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