Browsing by Author "Funabiki, Nobuo"
Now showing items 1-10 of 10
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Dynamic Access-Point Configuration Approach for Elastic Wireless Local-Area Network System and Its Implementation Using Raspberry Pi
Islam, Manowarul; Funabiki, Nobuo; Kuribayashi, Minoru; Debnath, Sumon K; MUNENE, Kwenga I; Lwin, Kyaw S; Sudibyo, Rahardhita W (International Journal of Networking and Computing, 2018-01)Recently, Wireless Local Area Networks (WLANs) have increased popularity around the world, where users can easily access to the Internet through associations with access points (APs) using mobile devices like smart phones, ... -
A dynamic access-point transmission power minimization method using PI feedback control in elastic WLAN system for IoT applications
Islam, Manowarul; Funabiki, Nobuo; Sudibyo, Rahardhita W; Munene, Kwenga I; Kao, Wen-Chung (Elsevier, 2019)Nowadays, Internet of Things (IoT) has become popular in various applications, such as smart home networks, smart city networks, and smart grid systems. The IEEE802.11n wireless local-area network (WLAN) is one of major ... -
An Exploration of Transmission Power Optimization Method for Concurrently Communicating Two Access-Points in Wireless Local-Area Network
Briantoro, Hendy; Funabiki, Nobuo; Islam, Manowarul; Sudibyo, Rahardhita W; Munen, Kwenga I; Kuribayash, Minoru (第21回 IEEE広島支部学生シンポジウム論文集, 2019)Nowadays, IEEE 802.11n wireless local-area networks (WLAN) has become popular around the world due to advantages in capacity, reachability, and affordability. In WLAN, any host or terminal device is connected with an ... -
A Generalized TCP Fairness Control Method for Multiple-Host Concurrent Communications in Elastic WLAN System Using Raspberry Pi Access Point
Sudibyo, Rahardhita W; Funabiki, Nobuo; Kuribayashi, Minoru; MUNENE, Kwenga I; Briantoro, Hendy; Islam, Manowarul; Kao, Wen-Chung (International Journal of Mobile Computing and Multimedia Communications, 2020)The IEEE802.11n wireless local-area network (WLAN) has been widely adopted due to the flexible coverage and lower installation cost. However, the TCP throughput unfairness was detected when multiple hosts concurrently ... -
An Improved Throughput Estimation Model for Concurrent Communications of Multiple Hosts in Wireless Local-Area Network
Lu, Tianpeng; Funabiki, Nobuo; Islam, Manowarul; Munene, Kwenga I; Sudibyo, Rahardhita W (第21回 IEEE広島支部学生シンポジウム論文集, 2019-11)本研究グループでは，無線 LAN の性能向上を目的 として，スループット予測モデルの研究を進めている．本モデルでは，アクセスポイント（AP）が単一ホストと通信する場合のスループットを高精度で予測することが可能であるが， 複数ホストと同時通信する場合 に，予測精度が大幅に低下することが実験で明らかと なっている．そこで本研究では，その実験結果に基づ き，複数ホスト同時通信時におけるスループット予測 モデルの改良を行う．また，本改良モデルの有効性を ... -
A Proposal of TCP Fairness Control Method for Two-Host Concurrent Com
Sudibyo, Rahardhita W; Funabiki, Nobuo; Kuribayashi, Minoru; Munene, Kwenga I; Islam, Manowarul; Kao, Wen-Chung (ASTES Journal, 2019)The IEEE802.11n based Wireless Local Area Networks (WLANs) have been extensively deployed due to the flexible coverage, the easy installation, and the lower cost. To reduce the energy consumption while increasing the ... -
A Proposal of Transmission Power Minimization Extension in Active Access-Point Configuration Algorithm for Elastic Wireless Local-Area Network System
Islam, Manowarul; Funabiki, Nobuo; Kuribayashi, Minoru; Saha, Mousumi; Munene, Kwenga I; Sudibyo, Rahardhita W; Kao, Wen-Chung (International Journal of Computer & Software Engineering, 2019-04)Nowadays, the wireless local-area network (WLAN) has become common in the low-cost Internet access solution using wireless communications between access points (APs) and hosts. In WLAN, traffic demands from users tend ... -
A throughput drop estimation model for two-link concurrent communications with non-bonded partially overlapping channels in IEEE 802.11n WLAN
Munene, Kwenga I; Funabiki, Nobuo; Sudibyo, Rahardhita W; Briantoro, Hendy (電子情報通信学会総合大会, 2020)The IEEE 802.11n wireless local-area net work (WLAN) has been widely deployed due to flex ible and high-speed data transmissions. However, the throughput of a link can be dropped by interfer ences from other WLANs. Previously, ... -
A throughput estimation model under two-link concurrent communications with partially overlapping channels and its application to channel assignment in IEEE 802.11n WLAN
munene, Kwenga I; Funabiki, Nobuo; KURIBAYASHI, Minoru; Sudibyo, Rahardhita W; Kao, Wen-Chung (Int. J. Space-Based and Situated Computing, 2018)Currently, the IEEE 802.11n wireless local-area network (WLAN) has been deployed world-wide due to flexibility and low costs. A key challenge in the WLAN deployment is to provide high data-rate under strong interferences ... -
Transmission Power Optimization of Concurrently Communicating Two Access Points in Wireless Local Area Network
Briantoro, Hendy; Funabiki, Nobuo; Kuribayashi, Minoru; Munene, Kwenga I; Sudibyo, Rahardhita W; Islam, Manowarul; Kao, Wen-Chung (International Journal of Mobile Computing and Multimedia Communications, 2020-12)Currently, the IEEE 802.11 wirelesslocal-area network (WLAN) has been prevalent around the world due to the advantages of mobility, flexibility, and scalability. WLAN offersthe wirelessinternet-access method through an ...