Inventors:
- Annapolis MD, US
Adrian SAPIO - Mount Airy MD, US
Assignee:
Link Labs, Inc. - Annapolis MD
International Classification:
H04W 72/04
H04W 24/08
H04W 52/02
Abstract:
A method, of operating an end node to wirelessly communicate with a central node, includes: receiving wirelessly a current instance of a beacon signal periodically-transmitted from the central node; measuring a received power, P, of the beacon signal; reading locally-stored values of Pand G representing a presumed transmitted power of the beacon signal and a performance goal of the end node, respectively; determining, for a given channel, a path loss, PL, based on the Pand the P; and adaptively setting an energy level, E, of a forthcoming message to be transmitted from the end node by adaptively determining, based on PL and G, at least two of: a level of power, P; a forward error correction coding rate, c; and a spreading factor, SF; and a modulation format, M.