Mobility Investigate

The Design and Implementation of IEEE 802.21 and Its Application on Wireless VoIP

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Executive Summary

Supporting a multimode mobile device to seamlessly switch its connections between various wireless access networks, such as WiMAX, Wi-Fi, and LTE, is an important research issue in 4G communications. The IEEE 802.21 working group defines the Media Independent Handover (MIH) standard to provide cross layer control and the information of network environment and services to optimize the handoff process. This work designs and implements the MIH middleware in a Linux platform to provide MIH Event Services (MIH-ES), MIH Command Services (MIH-CS) and MIH Information Services (MIH-IS).

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