Tharaka University repository: Recent submissions
Now showing items 21-40 of 4238
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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 ... -
Modelling Fluid Flow in Zone 1 of an Open Horseshoe Channel with Lateral Inflow Channels
(Journal of Advances in Mathematics and Computer Science, 2024)For many years, flooding has been a significant issue, especially after heavy rainfall. Engineers have constructed channels to direct water into rivers, lakes, and oceans, aiming to mitigate flooding. The challenge lies ... -
Modelling Fluid Flow in Zone 2 of an Open Horseshoe Channel with Lateral Inflow Channels
(Journal of Advances in Mathematics and Computer Science, 2024)Flooding has been a problem for a long time, especially after heavy rains. Channels constructed to lessen floods are used to move water into rivers, lakes, and the ocean. Engineers have been faced with the challenge of ... -
A unified swelling potential index for expansive soils
(ScienceDirect, 2003)Soil swelling is a term generally applied to the ability of a soil to undergo large changes in volume due to increased moisture content. Several commonly used swelling potential indices, namely Atterberg limits, coefficient ... -
Assessment of Land Use and Land Cover Change Using GIS and Remote Sensing Techniques: A Case Study of Makueni County, Kenya
(Journal of Remote Sensing & GIS, 2016)The surface of the earth is undergoing rapid land-use/land-cover (LULC) changes due to various socioeconomic activities and natural phenomena. The main aim of this study was to gain a quantitative understanding of land use ... -
Mineralogical and Geochemical Characterisation of Rocks and Geothermal Fluids in the Olkaria Geothermal Field, Kenya: Potential for Epithermal Deposits
(International Journal of Geosciences, 2024)The Kenyan Olkaria geothermal field has incredibly high geothermal potential in the East African Rift, the Kenyan Rift Valley. While the Olkaria geothermal area has been primarily attributed to electricity generation and ... -
Cation Exchange Capacity (CEC) determination from spectroscopy
(International Journal of Remote Sensing, 2010)Swelling soils are a major engineering problem and their detection is one of the most important site investigation undertakings in the construction industry. Methods of their detection have been developed over the years, ...