Abstract: Systems and methods for Wi-Fi sensing are provided. A method for Wi-Fi sensing carried out by a sensing decision unit in operation on at least one processor configured to execute instructions. Measured channel state information (M-CSI) representing a sensing measurement and receiver front end state information (RFE-SI) are received. According to the RFE-SI, sensing decision input information is determined.

Abstract: Systems and methods for Wi-Fi sensing is provided. A networking device configured to operate as a sensing receiver and including at least one processor may operate as a system to carry out the Wi-Fi sensing method. The sensing receiver may obtain timing information from an unassociated access point not associated with the sensing receiver and operating as a sensing transmitter. The sensing receiver may generate local timing information according to the timing information. The sensing receiver may receive a sensing transmission from the unassociated access point. The sensing receiver may perform a sensing measurement on the sensing transmission and may associated the sensing measurement with a timestamp based on the local timing information. The sensing receiver may transmit the sensing measurement and the timestamp to the unassociated access point.

Abstract: A method is described for Wi-Fi sensing. The method is carried out by a networked device operating as a sensing receiver. The networked device includes at least one processor configured to execute instructions. Initially, a series of time domain pulse sets determined from a series of sensing measurements based on a series of sensing transmissions transmitted by a sensing transmitter and received by the networked device over a time interval is obtained. Thereafter, a signature pulse occurring in the time domain pulse sets is identified. A series of amplitudes of the signature pulse in the time domain pulse sets are recorded. Further, a waveform frequency signature of a small motion occurring in a sensing space corresponding with the networked device is identified based on the series of amplitudes of the signature pulse.

Abstract: A method is described for Wi-Fi sensing. The method is carried out by a networking device configured to operate as a sensing initiator and includes at least one processor configured to execute instructions. Initially, a multiway sensing trigger message is transmitted via a transmitting antenna of the networking device. A plurality of sensing transmissions from a plurality of sensing responders responsive to the multiway sensing trigger message is simultaneously received by the networking device via a receiving antenna. A sensing measurement is performed on at least one of the plurality of sensing transmissions.

Abstract: A method is described for Wi-Fi sensing. The method is carried out by a networking device configured to operate as a station (STA) and includes at least one processor configured to execute instructions. The STA is associated with an original access point (AP) of an original basic service set (BSS) to establish an original association between the STA and the original AP. The STA and the original AP have an original communication link and an original sensing link established therebetween, the original communication link being established for data transmissions and the original sensing link being established for sensing transmissions. A transition management request identifying a preferred communication link between the STA and a preferred AP of a preferred BSS different than the original communication link with the original AP is received. Further, transmission of a transition preference indicating a preference to preserve the original sensing link is caused.

Abstract: A method for Wi-Fi sensing carried out by networked device is described. Initially, first set of time domain pulses is obtained from first channel representation information determined from first sensing measurement based on first sensing transmission transmitted by sensing transmitter and received by sensing receiver. A first amplitude attenuation is detected between first selected time domain pulse of first set of time domain pulses and first corresponding time domain pulse. Further, second set of time domain pulses is obtained from second channel representation information determined from second sensing measurement based on second sensing transmission transmitted by sensing transmitter and received by sensing receiver. A second amplitude attenuation is detected between second selected time domain pulse of second set of time domain pulses and second corresponding time domain pulse.

Abstract: Systems and methods for Wi-Fi sensing are provided. A method for Wi-Fi sensing carried out by a sensing decision unit in operation on at least one processor configured to execute instructions. Measured channel state information (M-CSI) representing a sensing measurement and receiver front end state information (RFE-SI) are received. According to the RFE-SI, sensing decision input information is determined.

Abstract: Systems and methods for Wi-Fi sensing are provided. A method for Wi-Fi sensing carried out by a sensing device including a processor is described. Initially, first channel state information (CSI) of a first transmission channel representing a first sensing measurement performed on a first sensing transmission transmitted from a sensing transmitter to a sensing receiver in the first transmission channel may be received. A time-domain channel representation (TD-CRI) of the first CSI may be calculated by transforming the first CSI into the time domain. Then, a plurality of estimated channel responses corresponding to a plurality of transmission channels may be generated according to the TD-CRI. One or more preferred transmission channels from among the plurality of transmission channels may be determined according to the plurality of estimated channel responses.

Abstract: Systems and methods for Wi-Fi sensing are provided. A method for Wi-Fi sensing carried out by a sensing device including a processor is described. Initially, a sensing goal is received. Upon receiving the sensing goal, at least one sensing transmitter and at least one sensing receiver are selected according to the sensing goal. Thereafter, an allocation of channel resources reserved for defined transmissions from the at least one sensing transmitter to the at least one sensing receiver is determined according to the sensing goal. The defined transmissions are caused from the at least one sensing transmitter to the at least one sensing receiver according to the allocation of channel resources.

Abstract: Systems and methods for dynamic channel representations are described. Initially a sensing receiver receives a sensing transmission. The sensing receiver then generates a sensing measurement based on the sensing transmission. Thereafter, the sensing receiver generates a channel representation information of a propagation channel between the sensing receiver and a sensing transmitter based on the sensing measurement. The sensing receiver then obtains a sensing imprint representing a steady-state propagation channel between the sensing receiver and the sensing transmitter. Further, the sensing receiver compares the channel representation information to the sensing imprint and identifies a a difference between the channel representation information and the sensing imprint. The sensing receiver may further send the channel representation information to a sensing algorithm manager.

Abstract: Methods and systems for Wi-Fi sensing carried out by a sensing agent coupled to a transmitting antenna, a receiving antenna, and at least one processor are provided. A sensing agent determines a time window. The sensing agent receives channel state information (CSI) in a frequency domain; generated, by the at least one processor, based on a plurality of sensing transmissions received, via the receiving antenna, from a sensing transmitter in the time window, each of the plurality of sensing transmissions having corresponding CSI. The sensing agent identifies selected CSI from among the corresponding CSI. The sensing agent combines the selected CSI to generate assembled channel state information (A-CSI). The sensing agent sends information representative of the A-CSI to a sensing algorithm manager.

Abstract: Systems and methods for time domain channel representation information for Wi-Fi sensing. Wi-Fi sensing systems include sensing devices and remote devices configured to communicate through radio-frequency signals. Initially, a sensing device receives a channel representation information configuration representative of channel state information in time domain. The sensing device then receives a sensing transmission and generates a sensing measurement based on the sensing transmission. Thereafter, the sensing device generates a time domain representation of the sensing measurement and selects one or more time domain pulses indicative of the time domain representation based on the channel representation information configuration. The sensing device communicates the one or more time domain pulses to a sensing algorithm manager for use in determining motion or movement.

Abstract: Systems and methods for Wi-Fi sensing are provided. A method for Wi-Fi sensing carried out by a sensing receiver including a transmitting antenna, a receiving antenna, and a processor is described. Initially, sensing transmissions from a plurality of sensing transmitters are received. Then, a sensing measurement representing a channel state information (CSI) is generated based on the sensing transmissions. Thereafter, component frequency bands associated with a virtual wideband sensing transmission from a selected sensing transmitter of the plurality of sensing transmitters are identified. A reduced channel representation information (CRI) including the component frequency bands associated with the selected sensing transmitter is generated and component frequency bands associated with a remainder of the plurality of sensing transmitters are omitted. The reduced CRI is sent to a sensing algorithm manager.

Abstract: Systems and methods for Wi-Fi sensing are provided. A method for Wi-Fi sensing carried out by a sensing algorithm manager including at least one processor configured to execute instructions. A sensing measurement based on a sensing transmission transmitted by a sensing transmitter and received by a sensing receiver is obtained. Then, a device context of a sensing pair associated with the sensing transmission is determined. The sensing pair includes the sensing transmitter and the sensing receiver. The sensing measurement is associated with the device context. A sensing algorithm is executed according to the sensing measurement and the device context to generate a sensing result.

Abstract: Systems and methods for Wi-Fi sensing are provided for determining time domain channel representation information. A method for Wi-Fi sensing carried out by a sensing receiver including a transmitting antenna, a receiving antenna, and a processor is described. Initially, a sensing transmission is received. A sensing measurement is generated based on the sensing transmission. In an example, a full time-domain channel representation (TD-CRI) of a propagation channel between the sensing receiver and a sensing transmitter is generated based on the sensing measurement. Thereafter, in an example, principal impulses of the full TD-CRI are identified. The principal impulses represent a subset of time domain pulses of the full TD-CRI. Then, a filtered TD-CRI is identified according to the principal impulses. The filtered TD-CRI is sent to a sensing algorithm manager.

Abstract: Systems and methods for dynamic channel representations are described. Initially a sensing receiver receives a sensing transmission. The sensing receiver then generates a sensing measurement based on the sensing transmission. Thereafter, the sensing receiver generates a channel representation information of a propagation channel between the sensing receiver and a sensing transmitter based on the sensing measurement. The sensing receiver then obtains a sensing imprint representing a steady-state propagation channel between the sensing receiver and the sensing transmitter. Further, the sensing receiver compares the channel representation information to the sensing imprint and identifies a difference between the channel representation information and the sensing imprint. The sensing receiver may further send the channel representation information to a sensing algorithm manager.

Abstract: Systems and methods for Wi-Fi sensing are provided. A method for Wi-Fi sensing carried out by sensing receiver including a transmitting antenna, a receiving antenna, and a processor is described. Initially, a compound sensing trigger message is generated. The compound sensing trigger message is then transmitted to a sensing transmitter. A sensing response announcement transmitted by the sensing transmitter is received. Also, a sensing response null data PPDU (NDP); is received. A sensing measurement is generated based on the sensing response NDP.

Abstract: Systems and methods for Wi-Fi sensing are provided. A networking device is configured to transmit a sensing trigger message including information about a plurality of fast sounding sensing signals to be transmitted. The networking device receives the plurality of fast sounding sensing signals transmitted by a sensing transmitter in response to the sensing trigger message within a transmission opportunity. The networking device performs a plurality of sensing measurements on the plurality of fast sounding sensing signals wherein the plurality of sensing measurements include measurements of Doppler frequency information associated with motion in a sensing space.

Abstract: Systems and methods for Wi-Fi sensing are provided. A method for Wi-Fi sensing carried out by a sensing receiver is described. A hybrid sensing-data trigger is created. The hybrid sensing-data trigger includes resource allocation fields corresponding to each of first sensing channel resource allocation to first sensing transmitter, second sensing channel resource allocation to second sensing transmitter, first data channel resource allocation to first station, and second data channel resource allocation to second station. The hybrid sensing-data trigger is transmitted to first sensing transmitter, second sensing transmitter, first station, and second station. Subsequently, first sensing transmission is received from first sensing transmitter, second sensing transmission is received from second sensing transmitter, first data transmission is received from first station, and second data transmission is received from second station.

Abstract: Systems and methods for Wi-Fi sensing are provided. A networking device is configured to transmit a sensing trigger message including information about a plurality of fast sounding sensing signals to be transmitted. The networking device receives the plurality of fast sounding sensing signals transmitted by a sensing transmitter in response to the sensing trigger message within a transmission opportunity. The networking device performs a plurality of sensing measurements on the plurality of fast sounding sensing signals wherein the plurality of sensing measurements include measurements of Doppler frequency information associated with motion in a sensing space.