Analysis of Gateway Relocation Strategies in 802.16 Heterogeneous Networks

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Provided by: Research In Motion
Topic: Networking
Format: PDF
IEEE 802.16-series are expected to provide broadband wireless access for a variety of multimedia services. To minimize handover delay and packet loss the authors defined a two-tiered mobility management in WiMAX Forum. WiMAX standards define the Access Service Network GateWay ASN GW relocation procedures and do not identifying when the ASN GW relocation should be moved. So to address it previously Gateway Relocation Admission Control (GRAC) was developed, which combines ASN GW relocation and Admission Control (AC) algorithm to maximize system capacity. GRAC contain traditional Wiener Process (WP) based prediction algorithms and Admission Control (AC) algorithms in order to find out when to carry out ASN GW relocation.
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