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Providing strong security is necessary for any wireless access networks. The latest broadband access network implementations are based on WiMAX and LTE, since they support high data rate and mobility. The WiMAX network has well structured QoS mechanisms and security architecture to support all kinds of fixed, mobile and multi-hop network users. Even though the existing fixed WiMAX network has well defined security architecture, it has many security issues like rouge Base Station (BS), Denial of Service (DoS) and etc. The rouge BS issue was solved in mobile WiMAX network, but the other security issues in fixed WiMAX network and the issues related to mobility like handover latency issues still exist.
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