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3G/UMTS-WLAN heterogeneous mobile network is a complementary platform for the trend of Beyond-3G (B3G) wireless data communications. However, the design of a securing authentication protocol in 3G/UMTS-WLAN heterogeneous mobile networks is a challenging task. Even though EAP authentication and key agreement protocol (EAP-AKA) is adopted by 3rd generation partnership protocol (3GPP) to achieve authentication...
In an effort to develop a simulation framework for evaluating the performance of wireless access technologies for vehicular networks, the authors have developed a simulation framework for the draft wireless technology IEEE 802.11p within the simulator NS-2[1]. Furthermore, handoff mechanisms for the draft technology have also been added to the framework. The latter aims at replicating, as far as possible,...
In this paper, we propose an adaptive pacing scheme at the link layer for IEEE 802.11 based multihop wireless networks. Our objective is to improve the performance of higher layer protocols without any modifications to them. Our adaptive pacing scheme estimates the four-hop transmission delay in the network path without incurring any additional overheads, and accordingly paces the packets to reduce...
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