Network Selection Decisions for Multiple Calls Based on Consensus Level.
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| Title: | Network Selection Decisions for Multiple Calls Based on Consensus Level. |
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| Authors: | Falowo, Olabisi E., Taiwo, Olugbenga A. |
| Source: | Journal of Network & Systems Management; Jul2018, Vol. 26 Issue 3, p592-615, 24p |
| Subject Terms: | FEATURE selection, DECISION making, RADIO access networks, WIRELESS sensor networks, ALGORITHMS |
| Abstract: | Next generation multimode terminals have the capability to support different classes of calls simultaneously as well as the ability to connect to two or more radio access technologies (RATs), at the same time, in a heterogeneous wireless network. For a mobile terminal having multiple classes of simultaneous handoff calls (such as file download and video sessions), RAT selection decisions can be made independently for individual calls in the group or jointly for the entire group of calls. Both independent and group RAT selection decisions for multiple calls have advantages and disadvantages. Existing RAT selection algorithms have focused on RAT selection decisions for single calls. Therefore, this paper investigates independent call and group call RAT selection decisions for multiple calls in heterogeneous wireless networks, and proposes a scheme that makes RAT selection decisions for multiple calls based on a consensus level among the multiple calls to be admitted. When this consensus level is among multiple calls to be admitted into a particular RAT and is equal to or above a certain threshold value, a group decision is used. Otherwise, independent decisions are made. The performance of the proposed RAT selection scheme is evaluated in a three service three RAT heterogeneous network, supporting multihomed terminals. Simulation results are given to show the effectiveness of the proposed scheme. [ABSTRACT FROM AUTHOR] |
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| Database: | Complementary Index |
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