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Inter-domain routing for MANETs (Mobile Ad Hoc NETworks) draws increasing attention in military and civil application. It works on heterogeneous networking protocols, including different MAC layer protocols and routing layer protocols. It elects gateways within each domain, which in turn connect to other domains. In this paper, the authors propose several techniques to improve the performance of inter-domain routing. One key innovation in this paper is MPR-aware dynamic TDMA protocol. MPR (Multi-Point Relay) information is exchanged to optimize the slot allocation algorithm and indirectly improve inter-domain performance. Another contribution of this paper is a new gateway election algorithm that accounts for TDMA performance and for connectivity with a CSMA domain.
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