GKDA: a group-based key distribution algorithm for WiMAX MBS security

Authors:
Huijie Li;Guangbin Fan;Jigang Qiu;Xiaokang Lin
Affiliations:
Department of Electronic Engineering, Tsinghua Universtity, Beijing, China;Intel China Research Center, Beijing, China;Department of Electronic Engineering, Tsinghua Universtity, Beijing, China;Graduate School at Shenzhen, Tsinghua University, Shenzhen, Guangdong, China
Venue:
PCM'06 Proceedings of the 7th Pacific Rim conference on Advances in Multimedia Information Processing
Year:
2006

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Abstract

Multicast and Broadcast Service (MBS) is a novel application supported by the currently released IEEE 802.16e. This service can increase the efficiency of WiMAX networks. The key management and distribution is crucial to evolve MBS efficiently and safely. In this paper, we present a group-based key distribution algorithm GKDA to provide a more scalable solution to reduce the key updating overhead, therefore a base station (BS) can support and maintain more MBS users. Theoretical analyses and simulation results have proven the performance and advantage of our algorithm. In addition, GKDA can strengthen the network security.