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The use of smart antenna systems in WiMAX vehicular communications increases the coverage and throughput thus reducing the infrastructure costs, creates the lower levels support for new high level innovative services and may increase applications security. However, new challenges appear related to interference range, neighbor discovery, mobility management, scheduling issues, in addition to some already...
The IEEE 802.16e/WiMAX standards introduced the micro and macro-mobility capabilities as a promising technology. While the procedures for mobility management are defined, the decision on performing the handover is left to the developers. The paper proposes a SIP-based solution for terminal mobility and real-time applications, using SIP and cross-layer interactions to improve the hard HO in WiMAX.
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