Tharaka University repository: Recent submissions
Now showing items 41-60 of 4264
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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, ... -
The Effect of Green Supply Chain Strategies on the Performance of food and Beverage Manufacturing Firms in Nairobi City County, Kenya
(INTERNATIONAL JOURNAL OF RESEARCH AND INNOVATION IN SOCIAL SCIENCE (IJRISS), 2024)The literature on Green Supply Chain Management (GSCM) has extensively explored its potential for improving environmental performance, yet there remains a significant gap in understanding its direct impact on the economic ... -
The Influence of Reverse Logistics Strategies (RLS) on the Performance of Food and Beverage Manufacturing Firms in Nairobi City County, Kenya
(INTERNATIONAL JOURNAL OF RESEARCH AND INNOVATION IN SOCIAL SCIENCE (IJRISS), 2024)This study investigates the influence of Reverse Logistics Strategies (RLS) on the performance of food and beverage manufacturing firms in Nairobi City County, Kenya, as part of a broader exploration of Sustainable Supply ... -
EFFECT OF TAX POLICY REFORMS ON NATIONAL PUBLIC REVENUE GROWTH IN KENYA
(International Journal of Management and Commerce Innovations, 2019)Kenya has been over years faced by challenges of meeting its budgets resulting to too much domestic and external borrowing. KRA has been allocated more budgetary support to enhance pay structures of revenue Officers, attract ... -
EFFECT OF TAX POLICY REFORMS ON NATIONAL PUBLIC REVENUE GROWTH IN KENYA
(International Journal of Management and Commerce Innovations, 2019)KRA has been allocated more budgetary support to enhance pay structures of revenue Officers, attract and retain professional staff as well as establishing structures for identifying and dismissing incompetent and corrupt ... -
FACTORS INFLUENCING TAX REVENUE GROWTH AT KENYA REVENUE AUTHORITY: A CASE OF MERU STATION
(International Academic Journal of Economics and Finance, 2016)Kenya has been over years faced by challenges of meeting its budgets resulting to too much domestic and external borrowing. It is due to this fact that Kenya Revenue Authority was incorporated in 1995 in order to strengthen ... -
DIGITAL TRANSFORMATION STRATEGIES ON THE PERFORMANCE OF SOLAR POWER ENTERPRISES IN NAIROBI, KENYA
(The Strategic Journal of Business & Change Management, 2025)The solar power industry in Nairobi, Kenya, has grown significantly in recent years but faces challenges such as high operational costs, inefficient supply chain management, and limited financing access. This study aimed ... -
FACTORS AFFECTING ACCOUNTS RECEIVABLES IN PRINTING INDUSTRIES IN KENYA
(International Journal of Management and Commerce Innovations, 2020)Accounts receivable constitute a significant portion of current assets in industrial firms. Management therefore have to formulate strategies of effectively managing this important yet sensitive asset. This study was to ... -
EFFECTS OF ACCOUNTS RECEIVABLES IN PRINTING INDUSTRIES IN KENYA
(International Journal of Management and Commerce Innovations, 2020)Accounts receivable constitute a significant portion of current assets in industrial firms. Management therefore have to formulate strategies of effectively managing this important yet sensitive asset. This study was to ...