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Mobile Ad hoc NETwork (MANET) are self-organizing, dynamic topology networks formed by a collection of mobile nodes through radio. The wireless networking environment presents formidable challenges to the study of multicast problems, especially in terms of connection maintenance mechanism and power consumption. This paper focuses on these problems, and proposes an efficient routing protocol called Power-efficient Preferred Link-based algorithm (PPL). The performance metric used to evaluate is energy-efficient and connection maintenance. The result shows that the authors' algorithm performs better than other algorithm in energy-efficient and connection maintenance.
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