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WIRELESS SENSOR NETWORK WITH LINEAR STRUCTURE BEING CAPABLE OF BIDIRECTIONAL COMMUNICATION AND METHOD THEREOF

  • US 20100097988A1
  • Filed: 01/09/2008
  • Published: 04/22/2010
  • Est. Priority Date: 01/29/2007
  • Status: Active Grant
First Claim
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1. A wireless sensor network comprising a plurality of nodes linearly connected from a sink node to a terminal node by connecting each node to a single upper-level node and a single lower-level node,wherein each node has an active period for transmitting/receiving data to/from its upper-level node and lower-level node, andwherein the active period includes a downstream duration for transmitting data/commands from the sink node to the terminal node and an upstream duration for transmitting data/commands from the terminal node to the sink node,so that bidirectional communication between the sink node and the terminal node can be performed within a single active period.

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