Peer-to-peer communication in wireless sensor network through delay response between packets
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United States of America Patent
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Nov 13, 2012
Grant Date -
Oct 7, 2010
app pub date -
Oct 20, 2008
filing date -
Dec 17, 2007
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Abstract
A method for transmitting data between first and second nodes in a network comprises (a) the first node sending a start packet to the second node, (b) the first node starting a first counter concurrently with sending the start packet, wherein the first counter starts counting, (c) the second node starting a timer in response to the start packet, (d) the second node starting a second counter in response to the timer running for a predetermined delay time, wherein the second counter starts counting, (e) the first node stopping the first counter and sending a stop packet in response to the first node determining that the number of accumulated first counts corresponds to the data (thereby transmitting the data solely as a time interval between the start and stop packets), the second node stopping the second counter in response to the stop packet (and receiving the transmitted data).
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