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Comparison of vertical handover decision-based techniques in heterogeneous networks
Industry leaders are currently setting out standards for 5G Networks projected for 2020 or even sooner. Future generation networks will be heterogeneous in nature because no single network type is capable of optimally meeting all the rapid changes in customer demands. Heterogeneous networks are typi...
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| Format: | Thesis |
| Language: | English |
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Department of Electrical Engineering
2018
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| _version_ | 1867613335645585408 |
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| access_status_str | Open Access |
| author | Edia, Adada |
| author2 | Falowo, Olabisi E |
| author_browse | Edia, Adada Falowo, Olabisi E |
| author_facet | Falowo, Olabisi E Edia, Adada |
| author_sort | Edia, Adada |
| collection | Thesis |
| description | Industry leaders are currently setting out standards for 5G Networks projected for 2020 or even sooner. Future generation networks will be heterogeneous in nature because no single network type is capable of optimally meeting all the rapid changes in customer demands. Heterogeneous networks are typically characterized by some network architecture, base stations of varying transmission power, transmission solutions and the deployment of a mix of technologies (multiple radio access technologies). In heterogeneous networks, the processes involved when a mobile node successfully switches from one radio access technology to the other for the purpose of quality of service continuity is termed vertical handover or vertical handoff. Active calls that get dropped, or cases where there is discontinuity of service experienced by mobile users can be attributed to the phenomenon of delayed handover or an outright case of an unsuccessful handover procedure. This dissertation analyses the performance of a fuzzy-based VHO algorithm scheme in a Wi-Fi, WiMAX, UMTS and LTE integrated network using the OMNeT++ discrete event simulator. The loose coupling type network architecture is adopted and results of the simulation are analysed and compared for the two major categories of handover basis; multiple and single criteria based handover methods. The key performance indices from the simulations showed better overall throughput, better call dropped rate and shorter handover time duration for the multiple criteria based decision method compared to the single criteria based technique. This work also touches on current trends, challenges in area of seamless handover and initiatives for future Networks (Next Generation Heterogeneous Networks). |
| format | Thesis |
| id | oai:open.uct.ac.za:11427/26878 |
| institution | University of Cape Town (South Africa) |
| language | eng |
| last_indexed | 2026-06-10T12:34:28.941Z |
| license_str | Not specified — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from UCTD — University of Cape Town Open Access Repository |
| publishDate | 2018 |
| publishDateRange | 2018 |
| publishDateSort | 2018 |
| publisher | Department of Electrical Engineering |
| publisherStr | Department of Electrical Engineering |
| record_format | dspace |
| source_str | UCTD — University of Cape Town Open Access Repository |
| spelling | oai:open.uct.ac.za:11427/26878 Comparison of vertical handover decision-based techniques in heterogeneous networks Edia, Adada Falowo, Olabisi E Electrical Engineering Heterogeneous Networks Industry leaders are currently setting out standards for 5G Networks projected for 2020 or even sooner. Future generation networks will be heterogeneous in nature because no single network type is capable of optimally meeting all the rapid changes in customer demands. Heterogeneous networks are typically characterized by some network architecture, base stations of varying transmission power, transmission solutions and the deployment of a mix of technologies (multiple radio access technologies). In heterogeneous networks, the processes involved when a mobile node successfully switches from one radio access technology to the other for the purpose of quality of service continuity is termed vertical handover or vertical handoff. Active calls that get dropped, or cases where there is discontinuity of service experienced by mobile users can be attributed to the phenomenon of delayed handover or an outright case of an unsuccessful handover procedure. This dissertation analyses the performance of a fuzzy-based VHO algorithm scheme in a Wi-Fi, WiMAX, UMTS and LTE integrated network using the OMNeT++ discrete event simulator. The loose coupling type network architecture is adopted and results of the simulation are analysed and compared for the two major categories of handover basis; multiple and single criteria based handover methods. The key performance indices from the simulations showed better overall throughput, better call dropped rate and shorter handover time duration for the multiple criteria based decision method compared to the single criteria based technique. This work also touches on current trends, challenges in area of seamless handover and initiatives for future Networks (Next Generation Heterogeneous Networks). 2018-01-23T07:54:53Z 2018-01-23T07:54:53Z 2017 Master Thesis Masters MSc (Eng) http://hdl.handle.net/11427/26878 eng application/pdf Department of Electrical Engineering Faculty of Engineering and the Built Environment University of Cape Town |
| spellingShingle | Electrical Engineering Heterogeneous Networks Edia, Adada Comparison of vertical handover decision-based techniques in heterogeneous networks |
| thesis_degree_str | Master's |
| title | Comparison of vertical handover decision-based techniques in heterogeneous networks |
| title_full | Comparison of vertical handover decision-based techniques in heterogeneous networks |
| title_fullStr | Comparison of vertical handover decision-based techniques in heterogeneous networks |
| title_full_unstemmed | Comparison of vertical handover decision-based techniques in heterogeneous networks |
| title_short | Comparison of vertical handover decision-based techniques in heterogeneous networks |
| title_sort | comparison of vertical handover decision based techniques in heterogeneous networks |
| topic | Electrical Engineering Heterogeneous Networks |
| url | http://hdl.handle.net/11427/26878 |
| work_keys_str_mv | AT ediaadada comparisonofverticalhandoverdecisionbasedtechniquesinheterogeneousnetworks |