Method, apparatus, and system for wireless motion monitoring
First Claim
1. A system for detecting object motion in a venue, comprising:
- a transmitter configured for transmitting a wireless signal through a wireless multipath channel impacted by a motion of an object in the venue; and
a receiver configured for;
receiving the wireless signal through the wireless multipath channel impacted by the motion of the object in the venue, andobtaining a time series of channel information (CI) of the wireless multipath channel based on the wireless signal;
a processor configured for computing motion information related to the motion of the object based on the time series of CI obtained by the receiver, wherein computing the motion information comprises;
comparing a current window of the time series of CI with a past window of the time series of CI, andcomputing asynchronously a heterogeneous similarity score between the current window and the past window of the time series of CI; and
a motion detector configured for detecting the motion of the object in the venue based on the motion information and the heterogeneous similarity score.
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Accused Products
Abstract
Methods, apparatus and systems for object motion detection are disclosed. In one example, a system having at least a processor and a memory with a set of instructions stored therein for detecting object motion in a venue is disclosed. The system comprises: a first wireless device configured for transmitting a wireless signal through a wireless multipath channel impacted by a motion of an object in the venue; and a second wireless device that has a different type from that of the first wireless device and is configured for: receiving the wireless signal through the wireless multipath channel impacted by the motion of the object in the venue, and obtaining a time series of channel information (CI) of the wireless multipath channel based on the wireless signal; and a motion detector configured for detecting the motion of the object in the venue based on motion information related to the motion of the object, wherein the motion information associated with the first and second wireless devices is computed based on the time series of CI by at least one of: the motion detector and the second wireless device.
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Citations
28 Claims
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1. A system for detecting object motion in a venue, comprising:
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a transmitter configured for transmitting a wireless signal through a wireless multipath channel impacted by a motion of an object in the venue; and a receiver configured for; receiving the wireless signal through the wireless multipath channel impacted by the motion of the object in the venue, and obtaining a time series of channel information (CI) of the wireless multipath channel based on the wireless signal; a processor configured for computing motion information related to the motion of the object based on the time series of CI obtained by the receiver, wherein computing the motion information comprises; comparing a current window of the time series of CI with a past window of the time series of CI, and computing asynchronously a heterogeneous similarity score between the current window and the past window of the time series of CI; and a motion detector configured for detecting the motion of the object in the venue based on the motion information and the heterogeneous similarity score. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of a wireless monitoring system, comprising:
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wherein the wireless monitoring system comprises at least one asynchronous heterogeneous transmitter and at least one asynchronous heterogeneous receiver; wherein the wireless monitoring system comprises at least one pair of transmitter and receiver, each pair comprising one of the at least one asynchronous heterogeneous transmitter, and one of the at least one asynchronous heterogeneous receiver; wherein each of the at least one receiver is in at least one respective particular pair of transmitter and receiver; wherein each receiver is associated with at least one respective particular transmitter through the at least one respective particular pair of transmitter and receiver; for each receiver, and for each of the at least one respective particular pair of transmitter and receiver comprising the receiver; obtaining asynchronously at least one respective time series of channel information (CI) of a wireless multipath channel impacted by a motion of an object in a venue, wherein the at least one respective time series of CI (CI time series) associated with the particular pair of transmitter and receiver is extracted asynchronously from a respective asynchronous heterogeneous wireless signal, wherein the respective asynchronous heterogeneous wireless signal is transmitted asynchronously from a respective one of the at least one respective particular transmitter to at least one asynchronous heterogeneous receiver through the wireless multipath channel, and computing asynchronously at least one respective heterogeneous motion information associated with the motion of the object based on the at least one respective time series of CI associated with the respective particular pair of transmitter and receiver; and at least one of; monitoring the motion of the object in the venue individually and asynchronously based on asynchronously computed heterogeneous motion information associated with a pair of transmitter and receiver comprising a particular receiver, monitoring the motion of the object jointly and asynchronously based on asynchronously computed heterogeneous motion information associated with any of the at least one pair of transmitter and receiver associated with the particular receiver, monitoring the motion of the object jointly and asynchronously based on asynchronously computed heterogeneous motion information associated with any of the at least one pair of transmitter and receiver associated with one of the at least one respective particular transmitter, and monitoring the motion of the object globally and asynchronously based on asynchronously computed heterogeneous motion information associated with any of the at least one pair of transmitter and receiver. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A particular asynchronous heterogeneous receiver of a radio monitoring system, comprising:
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wherein the radio monitoring system comprises at least one asynchronous heterogeneous transmitter and at least one asynchronous heterogeneous receiver; wherein the radio monitoring system comprises at least one pairing of transmitter and receiver, each pairing comprising one of the at least one transmitter, and one of the at least one receiver; wherein the particular asynchronous heterogeneous receiver is in at least one particular pairing of transmitter and receiver of the radio monitoring system; wherein the particular receiver is grouped with at least one particular transmitter through the at least one particular pairing of transmitter and receiver; a wireless circuitry to receive asynchronously at least one asynchronous heterogeneous radio signal, wherein each asynchronous heterogeneous radio signal is transmitted asynchronously by one of the at least one particular transmitter using a respective first heterogeneous processor, a respective first heterogeneous memory and a respective first heterogeneous set of instructions of the to at least one asynchronous heterogeneous receiver through a wireless multipath channel influenced by a movement of a mass in a site; a second heterogeneous processor communicatively coupled with the wireless circuitry; a second heterogeneous memory communicative coupled with the second heterogeneous processor; a second heterogeneous set of instructions stored in the second heterogeneous memory which, when executed, cause the second heterogeneous processor to, for each of the at least one particular pairing of transmitter and receiver, secure asynchronously at least one respective time series of channel information (time series of CI) of the wireless multipath channel and compute heterogeneous motion information associated with the movement of the mass based on the at least one respective time series of CI, wherein the at least one respective time series of CI associated with the particular pairing of transmitter and receiver is being derived asynchronously from the respective asynchronous heterogeneous radio signal received asynchronously by the wireless circuitry; wherein at least one of; the movement of the mass in the site is monitored individually and asynchronously based on heterogeneous motion information associated with a pairing of transmitter and receiver comprising the particular receiver, the movement of the mass is monitored jointly and asynchronously based on heterogeneous motion information associated with any pairings of transmitters and receivers comprising the particular receiver, the movement of the mass is monitored jointly and asynchronously based on heterogeneous motion information associated with any pairings of transmitters and receivers comprising one of the at least one particular transmitter, and the movement of the mass is monitored globally and asynchronously based on heterogeneous motion information associated with any pairings of transmitters and receivers. - View Dependent Claims (25)
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26. A particular asynchronous heterogeneous transmitter of a radio monitoring system, comprising:
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wherein the radio monitoring system comprises at least one asynchronous heterogeneous transmitter and at least one asynchronous heterogeneous receiver; wherein the radio monitoring system comprises at least one combination of transmitter and receiver, each combination comprising one of the at least one transmitter, and one of the at least one receiver; wherein the particular asynchronous heterogeneous transmitter is in at least one particular combination of transmitter and receiver of the radio monitoring system; wherein the particular transmitter is paired with at least one particular receiver through the at least one particular combination of transmitter and receiver; a wireless circuitry; a first processor communicatively coupled with the wireless circuitry; a first memory communicative coupled with the first processor; a first set of instructions stored in the first memory which, when executed, cause the first processor to; transmit asynchronously using the wireless circuitry an asynchronous heterogeneous wireless signal from the particular transmitter to the at least one particular receiver through a wireless multipath channel impacted by a dynamics of a substance in a site, wherein, for each of the at least one particular receiver; at least one time series of channel information (time series of CI) of the wireless multipath channel gleaned from the asynchronous heterogeneous wireless signal transmitted by the wireless circuitry is fetched and motion information associated with the dynamics of the substance is computed based on the at least one time series of CI by the receiver using a second processor, a second memory and a second set of instructions of the receiver; and wherein at least one of; the dynamics of the substance in the site is tracked individually and asynchronously based on motion information associated with a combination of transmitter and receiver comprising the particular transmitter, the dynamics of the substance is tracked jointly and asynchronously based on motion information associated with any combinations of transmitters and receivers comprising the particular transmitter, the dynamics of the substance is tracked jointly and asynchronously based on motion information associated with any combinations of transmitters and receivers comprising one of the at least one particular receiver, and the dynamics of the substance is tracked globally and asynchronously based on motion information associated with any combinations of transmitters and receivers. - View Dependent Claims (27, 28)
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Specification