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  1. Chapter and Conference Paper

    An Adaptive Polling Scheme for IEEE 802.11 Wireless LAN

    The point coordination function of IEEE 802.11 is defined to support time bounded traffic in wireless LANs. However, current WLAN standard does not consider the traffic characteristics such as time bound traff...

    Kyung-jun Kim, Hyun-sook Kim, Sang-don Lee in Security and Privacy in the Age of Ubiquit… (2005)

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    Chapter and Conference Paper

    A Relay Vehicle Selection Scheme for Delivery of Emergency Message Considering Density and Trajectory of Moving Vehicles for VANET

    Dissemination of safety alert messages through the broadcast is one of the most important applications for VANET. Excessive channel contention due to the simultaneous transmission of packets leads to the broad...

    Hyun-Sook Kim, Seong-Sik Jang in Advanced Computer Science and Information … (2011)