H2O: Hierarchically Optimized Hybrid Routing Strategies for Multihop Wireless Networks

Authors:
Namhi Kang;Younghan Kim;Jungnam Kwak
Affiliations:
Ubiquitous Network Research Center, Soongsil University, Seoul, Korea 156-743;Ubiquitous Network Research Center, Soongsil University, Seoul, Korea 156-743;Access Solution Team, Xener Systems, Inc., Seoul, Korea 135-832
Venue:
Information Networking. Towards Ubiquitous Networking and Services
Year:
2008

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Abstract

This paper presents a semi-infrastructured architecture for multihop wireless networks and its routing strategies called H 2 O (Hierarchically Optimized Hybrid). We show that the semi-infrastructured network architecture is very efficient in terms of scalability and reliability. Such advantages mainly come from the hierarchical network architecture combined with a hybrid routing protocol. We evaluate the proposed approach by using simulation tests with several scenarios. In the simulation, we observed that no specific routing strategy (e.g. a single hybrid way to combine a proactive and reactive routing protocol adapted in previously proposed ZRP or ZHLS) can always satisfy various requirements of applications. Therefore, it is required to make a hybrid routing strategy differently from application to application.