Browsing by Author "G/Medihn, Bekele"

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    Toward Integration Model for Cost•Effective Communication Infrastructure Development to Support Ict in Ethiopia (A Case Study)
    (Addis Ababa University, 2005-06) G/Medihn, Bekele; G/Yesus, Nega (PhD)
    The key problems in providing communication services in developing countries like Ethiopia have been identified as using standard telecommunications network designed for high capacity and densely populated areas. The core network of this standard telecommunications is not a problem, the problem is in access network which contribute the 50% investment to the overall network, and this needs flexible technology. As a result of this the cost of telecommunication provision has tended to be at high cost compared to that of the actual income of the citizen. In order to enhance the interconnectivity to our citizen, we need to integrate technologies and favor those which can reach end users directly. The power line network has been realized to have enough capacity and suitable for voice and data communication to support communications services in lowly populated areas where the electrical power line infrastructure already exists. The objectives of the thesis, therefore, were to: I) explore a model(s) on how to integrate power line and telecommunications technology for a cost effective communication infrastructure; and II) assess integration model to end users that provide broadband services with affordable price. Accordingly, a cost model was built to provide residential data transmission over power line with the necessary and sufficient assumptions and cost elements inculcated in the model. The paper will discuss the trends in the provision of telecommunications services and also the use of power line network setup for communication and other services which has been identified to be provided to end users will be discussed.