METHOD AND APPARATUS FOR UNDERWATER ACOUSTIC COMMUNICATION

WIPO Patent Application WO/2015/153576

A3

Systems and methods are disclosed allowing for spatially separated nodes to transmit data to a single remote master receiver node in a synchronized way. Slave nodes can send acoustic data so that it travels through water and arrives at the master node exactly timed so that the data bit appears in a predetermined time slot. The next time slot could be a data bit coming from another remote or slave node in another direction and at a different distance. This can be repeated for many nodes and the incoming bits will be received in a time division multiplexed fashion at the receiver or master node. The senders address and bit meaning are implicit due to the time slot in which they arrive. The assumption is that all nodes have accurate synchronized time as well as the ability to accurately estimate sound travel time between itself and any master node.

CROWELL JONATHAN C (US)

PCT/US2015/023541

November 12, 2015

March 31, 2015

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TRACKSERVER INC (US)

H04B13/02

US20090196122A1	2009-08-06
US20040090865A1	2004-05-13
US20130003498A1	2013-01-03
US20120213034A1	2012-08-23
US20110096632A1	2011-04-28
US20050219950A1	2005-10-06
US20030061002A1	2003-03-27
US20080037370A1	2008-02-14
US20110144930A1	2011-06-16

TIN. ET AL.: "Network Burst Monitoring and Detection Based on Fractal Dimension With Adaptive Time-slot Monitoring Mechanism.", JOURNAL OF MARINE SCIENCE AND TECHNOLOGY, vol. 21, no. 6, 2013, pages 686 - 694, XP055236097, Retrieved from the Internet
See also references of EP 3127256A4

INGEGNERI, Lauren, E. et al. (McClennen & Fish LLP155 Seaport Boulevar, Boston MA, US)

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