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This paper proposes the use of service symmetry and network duplex mode, in addition to existing radio access technology (RAT) selection criteria, in making RAT selection decisions in heterogeneous wireless networks (HWNs). It then evaluates the effect of using the two criteria on call blocking/dropping probability in HWNs. The main objective of the proposed algorithm is to reduce new call blocking...
A heterogeneous wireless network supporting multihoming gives multi-mode terminals the flexibility to be simultaneously connected to more than one radio access technologies (RATs). Existing joint call admission control (JCAC) algorithms designed for heterogeneous wireless networks block or drop an incoming call when none of the available individual RATs in the heterogeneous network has enough bandwidth...
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