SYSTEMS, METHODS, AND DEVICES FOR LOW-POWER WAKEUP OPERATIONS
Systems, methods, and devices provide low-power wakeup operations in wireless environments. Methods include receiving a signal at a wireless device, the signal comprising a data packet compatible with a wireless communication protocol, performing, using one or more processing elements, a first wake detection operation at a first wake stage of the wireless device, and determining, based on a designated pattern and performance parameters, if a second wake detection operation should be performed at a second wake stage of the wireless device. Methods also include determining, using one or more processing elements, if a valid wake code has been received based on a designated wake code associated with the data packet.
1 . A method comprising:
receiving a signal at a wireless device, the signal comprising a data packet compatible with a wireless communication protocol;
performing, using one or more processing elements, a first wake detection operation at a first wake stage of the wireless device;
determining, based on a designated pattern and performance parameters, if a second wake detection operation should be performed at a second wake stage of the wireless device; and
determining, using one or more processing elements, if a valid wake code has been received based on a designated wake code associated with the data packet.
2 . The method of claim 1 , wherein the determining if the second wake operation should be performed at a second wake stage further comprises:
determining that the first wake stage is experiencing interference.
3 . The method of claim 1 , wherein the first wake detection operation comprises:
identifying a first plurality of data values based on envelope detection.
4 . The method of claim 3 , wherein the second wake detection operation comprises:
identifying a second plurality of data values based on frequency modulation.
5 . The method of claim 4 , wherein a frequency component of the frequency modulation is determined based on the wireless communication protocol.
6 . The method of claim 5 , wherein the wireless communication protocol is a Bluetooth Low Energy protocol.
7 . The method of claim 1 further comprising:
comparing the data values extracted from the data packet with a designated wake code; and
generating a wake signal in response to the data values matching the designated wake code.
8 . The method of claim 7 further comprising:
providing the wake signal to one or more power domains of the wireless device; and
transitioning the one or more power domains from a sleep mode to a wake mode.
9 . The method of claim 1 , wherein the data packet is a beacon frame.
10 . A system comprising:
a transceiver configured to receive a signal comprising a data packet compatible with a wireless communication protocol; and
a processing device configured to:
perform a first wake detection operation at a first wake stage;
determine, based on a designated pattern and performance parameters, if a second wake detection operation should be performed at a second wake stage; and
determine if a valid wake code has been received based on a designated wake code associated with the data packet.
11 . The system of claim 10 , wherein the determining if the second wake operation should be performed at a second wake stage further comprises:
determining that the first wake stage is experiencing interference.
12 . The system of claim 10 , wherein the first wake detection operation comprises:
identifying a first plurality of data values based on envelope detection.
13 . The system of claim 12 , wherein the second wake detection operation comprises:
identifying a second plurality of data values based on frequency modulation.
14 . The system of claim 13 , wherein a frequency component of the frequency modulation is determined based on the wireless communication protocol.
15 . The system of claim 10 wherein the processing device is further configured to:
compare the data values extracted from the data packet with a designated wake code; and
generate a wake signal in response to the data values matching the designated wake code.
16 . A device comprising:
one or more processing elements configured to:
receive a signal comprising a data packet compatible with a wireless communication protocol;
perform a first wake detection operation at a first wake stage of a wireless device;
determine, based on a designated pattern and performance parameters, if a second wake detection operation should be performed at a second wake stage of the wireless device; and
determine if a valid wake code has been received based on a designated wake code associated with the data packet.
17 . The device of claim 16 , wherein the determining if the second wake operation should be performed at a second wake stage further comprises determining that the first wake stage is experiencing interference; and wherein the first wake detection operation comprises identifying a first plurality of data values based on envelope detection.
18 . The device of claim 17 , wherein the second wake detection operation comprises:
identifying a second plurality of data values based on frequency modulation, and wherein a frequency component of the frequency modulation is determined based on the wireless communication protocol.
19 . The device of claim 16 , wherein the one or more processing elements are further configured to:
compare the data values extracted from the data packet with a designated wake code; and
generate a wake signal in response to the data values matching the designated wake code.
20 . The device of claim 19 , wherein the one or more processing elements are further configured to:
provide the wake signal to one or more power domains of the wireless device; and
transition the one or more power domains from a sleep mode to a wake mode.