Software Engineering

ISSN Online: 2376-8037 ISSN Print: 2376-8029

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Volume 5, Issue 2, March 2017

  • Authors: Peter Adebayo Idowu, Moses Oyekunle Oyetunji, Florence Alaba Oladeji, Jeremiah Ademola Balogun

    Abstract: Periodontal disease is a common inflammatory condition which affects the supporting and surrounding soft tissues of the tooth; also the jawbone itself when in its most advanced stages, in its early stage called Gingivitis and later stage called Periodontitis. This paper developed an online population based periodontal disease surveillance system that allows for easy access to statistics of periodontal occurrence on real-time basis. The system was implemented using HTML, PHP and CSS while the database was implemented using MYSQL. The simple interface design proved to be user-friendly for all users that handled the system. The system will also go a long in solving the problem of poor health care system for periodontal patients as access to information and statistics of periodontal occurrence is made real-time.

    Received: Mar. 21, 2017 Accepted: Mar. 31, 2017 Published: Apr. 24, 2017

    DOI: 10.11648/ View: Downloads:

  • Authors: Oloyede Adams Opeyemi, Ozuomba Simeon, Constance Kalu

    Abstract: Shibuya multiple knife edge diffraction loss method is presented in this paper. The Shibuya method is used to compute the effective diffraction loss of ten multiple knife edge obstructions for a 900 MHz GSM network. Each of the ten obstructions gave rise to a virtual hop which resulted in a knife edge diffraction loss while the overall diffraction loss, according to the Shibuya method is the sum of the diffraction loss computed for each of the ten virtual hops. According to the results, the highest line of sight (LOS) clearance height of 8.480769 m and the highest diffraction parameter of 0.397783 occurred in virtual hop 6. On the other hand, the lowest line of sight (LOS) clearance height of 0.628571 m and the lowest diffraction parameter of 0.044447 occurred in virtual hop 9. Furthermore, the highest virtual hop diffraction loss of 9.30294 dB occurred in virtual hop 6 whereas the lowest virtual hop diffraction loss of 6.38736 dB occurred in virtual hop 9. In all, the overall effective diffraction loss for the 10 knife edge obstructions as computed by the Shibuya is 71.7973 dB.

    Received: Jan. 3, 2017 Accepted: Jan. 18, 2017 Published: Jun. 7, 2017

    DOI: 10.11648/ View: Downloads: