Towards efficient and secure rekeying for IEEE 802.16e WiMAX networks

Jeremy Brown, Xiaojiang Du

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

In this paper, we study the rekeying issue in IEEE 802.16e WiMAX networks. The existing rekeying scheme - the Multicast and Broadcast Rekeying Algorithm (MBRA) unicasts new keys to each subscriber station (SS). This scheme does not scale well since it incurs large communication overhead when the number of SSs increase. In our work, first we propose a general tree-based rekeying scheme, which is more efficient than the MBRA. We then formulate an optimization problem to determine the optimal tree structure for a given number of SSs. Furthermore, we design a novel and efficient rekeying scheme for WiMAX networks. Our new rekeying scheme utilizes efficient security primitives and application features of WiMAX networks. Both analysis and performance evaluation show that the new rekeying scheme can significantly reduce communication overhead.

Original languageEnglish
Title of host publicationGLOBECOM 2009 - 2009 IEEE Global Telecommunications Conference
DOIs
StatePublished - 2009
Event2009 IEEE Global Telecommunications Conference, GLOBECOM 2009 - Honolulu, HI, United States
Duration: 30 Nov 20094 Dec 2009

Publication series

NameGLOBECOM - IEEE Global Telecommunications Conference

Conference

Conference2009 IEEE Global Telecommunications Conference, GLOBECOM 2009
Country/TerritoryUnited States
CityHonolulu, HI
Period30/11/094/12/09

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