This paper proposes an adaptive hybrid data broadcast scheme for wireless converged networks. Balanced allocation of broadcast resource between Push and Pull and adaptation to the various changes of user request are keys to the successful operation of a hybrid data broadcast system. The proposed scheme is built based on two key features, BEI (Broadcast […]
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Intelligence Networking & Computing Lab, Busan, Rep. of Korea
We approach our projects with strategic and creative thinking. We partner with our clients to create big ideas and digital experiences.
Sep
Aug
The ability to recognize many tags simultaneously is crucial for many advanced RFID-based applications. The tag anti-collision algorithm of an RFID system, which arbitrates collisions on the air interface among tags in the same reading range of a reader, makes a great influence on the speed and the reliability in multiple tag recognition. This paper […]
May
This paper presents an interactive data broadcast algorithm for T-DNB/CDMA converged environment. The proposed algorithm improves responsiveness to user requests and resource efficiency by adapting to the various changes of user requests. Authors: Hyocheol Jang, Chunghyun Ahn, Byungjun Bae, Jongdeok Kim Conference: Proceedings of IEEE Vehicular Technology Conference Publisher: IEEE Publish Date: 2006. 5. 11 Proceeding: PDF
Aug
Handoff is one of the most important factors that may degrade the performance of TCP connections in wireless data networks. The authors present a lossless handoff scheme called LPM (Last Packet Marking). LPM signals the safe handoff cue by sending a specially marked packet to mobile hosts. Our performance study shows that LPM achieves lossless packet delivery […]
Feb
Recently, the IEEE 802.11 working group has announced a new distributed access mechanism called Enhanced DCF (EDCF) to provide service differentiation among traffic classes defined as access category. With the increasing demand for supporting Quality of Service (QoS) in IEEE 802.11 wireless LANs, the EDCF is now attracting many researchers’ attention due to its practical […]
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