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WiMAX femtocell is developed to expand cell coverage, increase system capacity and offer various multimedia services with high throughput in indoor environments. However, several aspects of this new technology are ambiguous, such as macro to femtocell handover and management of QoS when a user moves between cells of different types. This paper provides a new procedure for handover between WiMAX macro...
An adaptive rate controller (ARC) based on adaptive neural fuzzy inference system (ANFIS) is designed to autonomously adjust the data rate of a mobile heterogeneous network to adapt the changing traffic load and the user speed for multimedia call services. Through simulations, it is demonstrated that the ARC is able to maintain new call blocking probability and handoff failure probability of the mobile...
Various attempts are being made to integrate the widely deployed disparate terrestrial wireless networks in order to provide global roaming. Among the attempts, the handoff is a major concern since it is the basis for any session continuity. This paper aims to provide a handoff in Mobile WiMAX network (IEEE 802.16e). Mobile WiMAX is a fast growing broadband access technology that enables low-cost...
Recent mobile devices are integrated with multiple network interfaces. Users want their devices connected to the network anytime anywhere. It is highly feasible for a user to change connection to another network for users that leave the service area of its current serving network, where handover needs to be executed seamlessly such that ongoing service sessions are not interrupted. The handover operation...
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