Computer Science – Networking and Internet Architecture
Scientific paper
2011-05-08
Computer Science
Networking and Internet Architecture
Proc. First Ambient Networks Workshop on Mobility, Multiaccess, and Network Management (M2NM), Sydney, Australia, October 2007
Scientific paper
In recent years several wireless communication standards have been developed and more are expected, each with different scope in terms of spatial coverage, radio access capabilities, and mobility support. Heterogeneous networks combine multiple of these radio interfaces both in network infrastructure and in user equipment which requires a new multi-radio framework, enabling mobility and handover management for multiple RATs. The use of heterogeneous networks can capitalize on the overlapping coverage and allow user devices to take advantage of the fact that there are multiple radio interfaces. This paper presents the functional architecture for such a framework and proposes a generic signaling exchange applicable to a range of different handover management protocols that enables seamless mobility. The interworking of radio resource management, access selection and mobility management is defined in a generic and modular way, which is extensible for future protocols and standards.
Agüero Ramón
Blume Oliver
Pentikousis Kostas
Perera Eranga
Surtees Abigail
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