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A throughput estimation model under two-link concurrent communications with partially overlapping channels and its application to channel assignment in IEEE 802.11n WLAN
(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 ... -
A dynamic access-point transmission power minimization method using PI feedback control in elastic WLAN system for IoT applications
(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 ... -
A Proposal of Transmission Power Minimization Extension in Active Access-Point Configuration Algorithm for Elastic Wireless Local-Area Network System
(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 Proposal of Throughput Allocation Method for Concurrently Communicating Two or Three Hosts in Wireless Local-Area Network
(International Conference on Emerging Technologies for Communications, 2020)Nowadays, the IEEE802.11n wireless local-area network (WLAN) has gained high popularity for the Internet access due to the flexible and easy installations. In WLAN, the throughput unfairness may appear when multiple hosts ... -
An Exploration of Transmission Power Optimization Method for Concurrently Communicating Two Access-Points in Wireless Local-Area Network
(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 Proposal of TCP Fairness Control Method for Two-Host Concurrent Com
(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 ... -
An Extension of Throughput Estimation Model for Three-Link Concurrent Communications under Partially Overlapping Channels without Channel Bonding in IEEE 802.11n WLAN
(IEICE Technical Report, 2020-06)The IEEE 802.11n wireless local-area network (WLAN) has been extensively deployed world-wide with advantages of flexibility, low costs, and high-speed data transmissions. However, WLAN may face cross-technology radio ... -
An Extension of Throughput Drop Estimation Model for Three Link Concurrent Communications under Partially Overlapping Channels and Channel Bonding in IEEE 802.11n WLAN
(Advances in Science, Technology and Engineering Systems Journal, 2019)The IEEE 802.11n wireless local-area network (WLAN) has been exten sively deployed around the world due to the flexibility, lower cost, and the high-speed data transmission capability at 2.4 GHz ISM band. However, in the ... -
A Generalized TCP Fairness Control Method for Multiple-Host Concurrent Communications in Elastic WLAN System Using Raspberry Pi Access Point
(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 ... -
Dynamic Access-Point Configuration Approach for Elastic Wireless Local-Area Network System and Its Implementation Using Raspberry Pi
(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, ... -
Application of Throughput Drop Estimation Model under Partially Overlapping Channels to Channel Assignment in IEEE 802.11n WLAN
(International Conference on Emerging Technologies for Communications, 2020)Currently, the IEEE 802.11n wireless local-area network (WLAN) has been extensively deployed world-wide. For the efficient chan nel assignment to access-points (APs) from the limited number of par tially overlapping channels ... -
Enhancements of minimax access-point setup optimisation approach for IEEE 802.11 WLAN
(Int. J. Space-Based and Situated Computing, 2019)As a flexible and cost-efficient internet access network, the IEEE 802.11 wireless local-area network (WLAN) has been broadly deployed around the world. Previously, to improve the IEEE 802.11n WLAN performance, we proposed ... -
A Throughput Drop Estimation Model and Its Application to Joint Optimization of Transmission Power, Frequency Channel, and Channel Bonding in IEEE 802.11n WLAN for Large-Scale IoT Environments
(Elsevier, 2020)The concept of Internet of Things (IoT) has been widely studied in smart home networks, smart city networks, smart grid systems, autonomous driving systems, and smart healthcare systems. In IoT, the IEEE 802.11n wireless ... -
A throughput drop estimation model for two-link concurrent communications with non-bonded partially overlapping channels in IEEE 802.11n WLAN
(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, ... -
Transmission Power Optimization of Concurrently Communicating Two Access Points in Wireless Local Area Network
(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 ... -
An Improved Throughput Estimation Model for Concurrent Communications of Multiple Hosts in Wireless Local-Area Network
(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 ... -
An Extension of Transmission Power Optimization Method for Two Concurrently Communicating Access-Points Associated with Multiple Hosts in Wireless Local-Area Network
(IEICE Technical Report, 2020-06)The IEEE 802.11n wireless local-area network (WLAN) has become popular as the Internet-access network due to flexibility, affordability, and expandability. To reduce interferences between access-points (APs) in dense WLAN, ... -
An Improvement of TCP Throughput Fairness Control Method for Concurrent Communications in Elastic WLAN System
(IEICE Technical Report, 2020-06)Nowadays, IEEE802.11n wireless local-area network (WLAN) has gained significant popularities for the Internet access. In WLAN, when multiple hosts are concurrently communicating with a single access-point (AP), the TCP ... -
Relationship Between Teachers’ Training and use of Portfolio Assessment to Measure Children’s Learning in Bungoma County, Kenya.
(INTERNATIONAL JOURNAL OF RESEARCH AND INNOVATION IN SOCIAL SCIENCE (IJRISS), 2025-05)Portfolio assessment was identified as an effective strategy to monitor the performance of learners in the competency-based learning (CBC) system. While previous research has focused to a large extent on the general ... -
Teachers’ Use of Portfolio Assessment to Measure Children’s Learning in Public and Private Primary Schools in Bungoma County, Kenya.
(INTERNATIONAL JOURNAL OF RESEARCH AND INNOVATION IN SOCIAL SCIENCE (IJRISS), 2025-05-22)This study investigated the use of portfolio assessment among teachers in public and private primary schools in Bungoma County, Kenya. Specifically, it explored the extent of portfolio use, types of portfolios employed, ...
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