The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 28, 2018

Filed:

Jun. 15, 2016
Applicant:

Nordic Semiconductor Asa, Trondheim, NO;

Inventors:

Frank Berntsen, Heimdal, NO;

David Alexandre Engelien-Lopes, Malvik, NO;

Joel David Stapleton, Trondheim, NO;

Assignee:

NORDIC SEMICONDUCTOR ASA, Trondheim, NO;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 52/02 (2009.01); H04W 72/04 (2009.01);
U.S. Cl.
CPC ...
H04W 52/0216 (2013.01); H04W 52/0225 (2013.01); H04W 52/0229 (2013.01); H04W 52/0241 (2013.01); H04W 52/0261 (2013.01); H04W 52/0274 (2013.01); H04W 72/0446 (2013.01); Y02D 70/00 (2018.01); Y02D 70/144 (2018.01); Y02D 70/20 (2018.01);
Abstract

A radio communication system comprises a radio transmitter (), and a radio receiver () configured to receive radio transmissions from the transmitter. The transmitter () uses a transmitter clock signal to transmit a succession of connection-event data packets (') according to a predetermined schedule. The receiver () enters a sleep state between receiving successive connection-event data packets from the transmitter (), in which it does not receive and process radio transmissions from the transmitter. It uses a receiver clock signal to determine when a predetermined number of receiver clock cycles has elapsed after receiving one of the connection-event data packets (′), and then enters a ready state. The predetermined number of receiver clock cycles is the number of receiver clock cycles () that elapsed between the respective receipts of two of the connection-event data packets (′) received by the receiver () minus a correction factor ().


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