	US 12,219,478 B1
	Low-power long range wireless network communication protocol with rate switching and scheduled messaging
Chiu Ngok Eric Wong, San Jose, CA (US); Robert Barton, Seattle, WA (US); Uttam Bhat, Fremont, CA (US); and Muhammad Sharifuzzaman Khan, Sunnyvale, CA (US)
Assigned to Amazon Technologies, Inc., Seattle, WA (US)
Filed by Amazon Technologies, Inc., Seattle, WA (US)
Filed on Jul. 18, 2022, as Appl. No. 17/867,590.
Application 17/867,590 is a continuation of application No. 16/884,960, filed on May 27, 2020, granted, now 11,395,225.
Int. Cl. H04W 52/02 (2009.01); H04L 1/18 (2023.01); H04W 72/21 (2023.01); H04W 72/23 (2023.01); H04W 76/28 (2018.01)

CPC H04W 52/0216 (2013.01) [H04L 1/18 (2013.01); H04W 72/21 (2023.01); H04W 72/23 (2023.01); H04W 76/28 (2018.02)]

24 Claims

1. A method performed by a first network device, the method comprising:

operating in a receive cycling mode by repeatedly:

executing the first network device in a low data rate (LDR) receive mode for a first time interval;

upon expiration of the first time interval, transitioning the first network device from the LDR receive mode to a high data rate (HDR) receive mode;

executing the first network device in the HDR receive mode for a second time interval; and

upon expiration of the second time interval, transitioning the first network device from the HDR receive mode to the LDR receive mode; and

while operating in the receive cycling mode, receiving, at the first network device, a portion of a message from a second network device;

transitioning, based at least in part on the receiving of the portion of the message, the first network device out of the receive cycling mode.