Centralized broadcast in multihop radio networks

  • Authors:
  • Iris Gaber;Yishay Mansour

  • Affiliations:
  • Computer Science Department, Tel Aviv University, Tel Aviv, Israel;Computer Science Department, Tel Aviv University, Tel Aviv, Israel

  • Venue:
  • Journal of Algorithms
  • Year:
  • 2003

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Abstract

We show that for any radio network there exists a schedule of a broadcast whose time is O (D +log5 n), where D is the diameter and n is the number of nodes. (This result implies an optimal broadcast to networks with D =Ω(log5 n).) We present a centralized randomized polynomial time algorithm that given a network and a source, outputs a schedule for broadcasting the message from the source to the rest of the network.