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  "title": "A Reliable and Efficient Time Synchronization Protocol for Heterogeneous Wireless Sensor Network",
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  "authors": [
    "Masoume Jabbarifar",
    "Alireza Shameli-Sendi",
    "Alireza Sadighian",
    "Naser Ezzati-Jivan",
    "Michel R. Dagenais"
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    "venue": "Wireless Sensor Network",
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    "volume": "02",
    "issue": "12",
    "pages": "910-918",
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    "publisher": "Scientific Research Publishing, Inc.",
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  "abstract": "L-SYNCng combines topology-aware clustering with convex-hull estimation of clock offset and skew for synchronization in heterogeneous wireless sensor networks.",
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    "core_contribution": "The paper proposes L-SYNCng, a time-synchronization protocol for heterogeneous wireless sensor networks that combines topology-aware clustering with convex-hull clock estimation.",
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    "method": "L-SYNCng combines degree-/weight-based clustering, shorter inter-cluster routes, and convex-hull estimation of clock offset and skew. The synchronization phase uses cluster-head broadcasts, acknowledgements, timestamp histories, and route-based clock conversion (pp. 3-7).",
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