Abstract
With the popularity of IEEE 802.11 based wireless fidelity (Wi-Fi) portable devices, it becomes increasingly significant to support the mobile users carrying Wi-Fi devices to access the Internet of Things (IoT) so that the communications between the mobile users and the smart objects deployed in the IoT stay uninterrupted when the mobile users are in movement. A scheme using Extended Service Set- (ESS-) based architecture is presented to implement the proxy mobile IPv6 protocol, that is, PMIPv6, for IEEE 802.11 infrastructure Wireless Local Area Networks (WLANs). The key signaling packets together with their time sequences for the mobility management in the proposed scheme are proposed. Moreover, the handoff delay in the proposed scheme is derived, through which the performance of the proposed scheme is analyzed. Numerical analysis indicates that the proposed scheme considerably outperforms the existing scheme that uses the Basic Service Set (BSS) based architecture in terms of handoff delay in the case when the delay between Mobile Access Gateway (MAG) and local mobile anchor (LMA) is relatively large.
Highlights
Wireless Local Area Network (WLAN) interfaces or wireless fidelity (Wi-Fi) are increasingly incorporated in multimedia portable electronic devices such as portable computers and smart phones
Most IEEE 802.11 WLANs operate in the infrastructure mode, in which each node is associated with an Access Points (APs) to access the Internet [1]
When PMIPv6 is implemented in an infrastructure WLAN, the configuration parameters such as the mobile node (MN)’s identifier and the local mobile anchor (LMA) address can be piggybacked in association request message, saving the time required to access the policy profile
Summary
Wireless Local Area Network (WLAN) interfaces or Wi-Fi are increasingly incorporated in multimedia portable electronic devices such as portable computers and smart phones. These interfaces enable these devices to access the Internet wherever WLAN Access Points (APs) are located. With the rapid growth in the number of portable electronic devices, it becomes urgent to support the users carrying these devices to access the IoT when the users are moving, which inspirits researchers to investigate the problem of implementing mobile IPv6 (MIPv6) in the infrastructure WLANs. MIPv6 is a technology which allows users to stay connected to the Internet when they are moving.
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