초록 ▼

Certain aspects of a method and system for location based hands-free payment may include a network that comprises a plurality of mobile devices and a plurality of point of sale devices. A first mobile device may determine its location coordinates and communicate them to a selected point of sale devi

Certain aspects of a method and system for location based hands-free payment may include a network that comprises a plurality of mobile devices and a plurality of point of sale devices. A first mobile device may determine its location coordinates and communicate them to a selected point of sale device. An authorization to execute a payment transaction may be triggered on the first mobile device when it is within a defined proximity of the selected point of sale device. In another embodiment of the invention, a first point of sale device may determine the location coordinates of a selected mobile device and trigger a notification based on a generated geo-fence when the selected mobile device is within a defined proximity of the first point of sale device.

대표청구항 ▼

1. A method for performing point of sale transactions in a network comprising a plurality of mobile devices and a plurality of point of sale devices, the method comprising: at a first mobile device of the plurality of the mobile devices, determining location coordinates of the first mobile device;se

1. A method for performing point of sale transactions in a network comprising a plurality of mobile devices and a plurality of point of sale devices, the method comprising: at a first mobile device of the plurality of the mobile devices, determining location coordinates of the first mobile device;sending said determined location coordinates from the first mobile device to a first point of sale device of said plurality of point of sale devices, wherein a geo-fence is defined around the first point of sale device;receiving an authorization request at the first mobile device from the first point of sale device to execute a payment transaction when the first mobile device is within the geo-fence defined around the first point of sale device; andsending a verbal authorization from a user of the first mobile device for executing the payment transaction to the first point of sale device when the first mobile device is within said geo-fence defined around the first point of sale device, the verbal authorization for video recording at the first point of sale device to resolve potential disputes of the payment transaction. 2. The method of claim 1 further comprising determining whether the first mobile device is within a defined proximity of the first point of sale device based on said geo-fence defined around the first point of sale device. 3. The method of claim 1 further comprising retrieving a first set of parameters from a reference database corresponding to a plurality of signals received at said location coordinates of the first mobile device, wherein said plurality of signals are received from a plurality of signal sources, and said plurality of signals comprises at least one multipath signal. 4. The method of claim 3, wherein said reference database stores parameters corresponding to said plurality of signals received at each of a plurality of location coordinates of said plurality of mobile devices in said network with known location coordinates. 5. The method of claim 4 further comprising determining said location coordinates of the first mobile device based on comparing said retrieved first set of parameters with said stored parameters in said reference database. 6. The method of claim 5, wherein said retrieved first set of parameters and said stored parameters comprise at least one of a time of arrival delay extracted using received signal strength indicator (RSSI) transition, a time of arrival delay extracted using signal preamble correlation, a time difference of arrival, a transmitted signal strength, an angle of arrival, equalizer filter coefficients, a channel multipath profile, channel fast Fourier transform (FFT) coefficients, a beacon signal strength, phase of each pilot tone, amplitude of each pilot tone and Doppler shift associated with movement of said plurality of mobile devices. 7. The method of claim 5 further comprising receiving said plurality of signals corresponding to at least one of Wireless Local Area Network (WLAN) standard, Bluetooth standard, WiMax standard, HD Radio standard, Ultra-wideband (UWB) standard, Global Positioning System (GPS) standard, cellular standard, and 60 GHz standard. 8. The method of claim 1 further comprising determining said location coordinates of the first mobile device based on receiving global positioning system (GPS) information from a plurality of GPS satellites and a weighted average of at least one of (i) a plurality of differential correction data and (ii) a plurality of assistance data from one or more access points. 9. The method of claim 1 further comprising determining said location coordinates of the first mobile device based on a calculated time of travel of a received signal from one or more access points to the first mobile device. 10. The method of claim 1 further comprising recalibrating said determined location coordinates of the first mobile device based on receiving a plurality of positioning assistance data from one or more position reference devices using short range wireless communication protocols. 11. The method of claim 10, wherein said one or more position reference devices comprises at least one of passive near field communication (NFC) tags, active NFC tags, passive radio frequency identification (RFID) tags, active RFID tags, Bluetooth enabled devices, Wi-Fi Direct, 60 GHz enabled devices, and Wireless Local Area Network (WLAN) access points. 12. The method of claim 1 further comprising: prior to receiving said authorization request, sending a payment transaction order from the first mobile device to the first point of sale device when the first mobile device is within the defined geo-fence of the point of sale device. 13. A method for performing point of sale transactions in a network comprising a plurality of mobile devices and a plurality of point of sale devices, the method comprising: determining at a first of said plurality of point of sale devices, location coordinates of a first mobile device of said plurality of mobile devices, wherein a geo-fence is defined around the first point of sale device; andtriggering a notification on the first point of sale device when the first mobile device is within the geo-fence defined around the first point of sale device;sending an authorization request to the first mobile device from the first point of sale device to execute a payment transaction when the first mobile device is within the geo-fence defined around the first point of sale device;receiving a verbal authorization from a user of the first mobile device for executing the payment transaction to the first point of sale device when the first mobile device is within the geo-fence defined around the first point of sale device;video recording the verbal authorization at the first point of sale device to resolve potential disputes of the payment transaction when the first mobile device is within the geo-fence defined around the first point of sale device; andexecuting the payment transaction at the first point of sale device when the first mobile device is within the geo-fence defined around the first point of sale device. 14. The method of claim 13, wherein the first mobile device comprises a radio frequency identification (RFID) tag, the method further comprising determining said location coordinates of the first mobile device based on extracting at least one measured position parameter from each of three or more backscattered signals communicated by the RFID tag of the first mobile device. 15. The method of claim 14, wherein said three or more backscattered signals are received at one or more RFID readers located at three or more different locations in response to communicating by said one or more RFID readers, three or more RF signals to the first mobile device. 16. The method of claim 13 further comprising determining said location coordinates of the first mobile device based on measured phase differences and corresponding frequency differences associated with each of three or more signals received from the first mobile device. 17. The method of claim 16, wherein each of said three or more signals comprises a plurality of pilot tones that are received at one or more electronic devices located at three or more different known locations via said network. 18. The method of claim 16, wherein each of said three or more signals are orthogonal frequency division multiplexed (OFDM) signals that are received at one or more electronic devices located at three or more different known locations via said network. 19. The method of claim 13 further comprising determining said location coordinates of the first mobile device based on received pilot tone pair phase differences, amplitude of pilot tones, and coordinates of one or more electronic devices located at three or more different known locations. 20. The method of claim 13 further comprising receiving an authorization to execute the payment transaction when the first mobile device is within a defined proximity of said first of said plurality of point of sale devices. 21. The method of claim 13, further comprising determining whether the first mobile device is within a defined proximity of the first point of sale device based on said geo-fence defined around the first point of sale device. 22. The method of claim 13, further comprising receiving a speed of movement and a direction of movement of the first mobile device at the first point of sale device. 23. The method of claim 13 further comprising: prior to sending said authorization request, accepting a payment transaction order from the first mobile device at the first point of sale device after determining, based on the location coordinates of the first mobile device, that the first mobile device is within the defined geo-fence of the point of sale device. 24. A system for communication, the system comprising: a network comprising; a plurality of mobile devices comprising a first mobile device, the first mobile device comprising at least one processor and a set of circuits; anda plurality of point of sale devices;wherein the first mobile device is configured to: determine location coordinates of the first mobile device;send said determined location coordinates from the first mobile device to a first point of sale device of said plurality of point of sale devices, wherein a geo-fence is defined around the first point of sale device;receive an authorization request at the first mobile device from the first point of sale device to execute a payment transaction when the first mobile device is within the geo-fence defined around the first point of sale device; andsend a verbal authorization from a user of the first mobile device for executing the payment transaction to the first point of sale device when the first mobile device is within said geo-fence defined around the first point of sale device, the verbal authorization for video recording at the first point of sale device when the first mobile device is within the geo-fence defined around the first point of sale device to resolve potential disputes of the payment transaction. 25. The system of claim 24, wherein the first mobile device is further configured to determine whether the first mobile device is within a defined proximity of the first point of sale device based on said geo-fence defined around the first point of sale device. 26. The system of claim 24, wherein the first mobile device is further configured to retrieve a first set of parameters from a reference database corresponding to a plurality of signals received at said location coordinates of the first mobile device, wherein said plurality of signals are received from a plurality of signal sources, and said plurality of signals comprises at least one multipath signal. 27. The system of claim 26, wherein said reference database stores parameters corresponding to said plurality of signals received at each of a plurality of location coordinates of said plurality of mobile devices in said network with known location coordinates. 28. The system of claim 27, wherein the first mobile device is further configured to determine said location coordinates of the first mobile device based on comparing said retrieved first set of parameters with said stored parameters in said reference database. 29. The system of claim 28, wherein the first mobile device is further configured to receive said plurality of signals corresponding to at least one of Wireless Local Area Network (WLAN) standard, Bluetooth, WiMax standard, HD Radio standard, Ultra-wideband (UWB) standard, Global Positioning System (GPS) standard, cellular standard, and 60 GHz standard. 30. The system of claim 27, wherein said retrieved first set of parameters and said stored parameters comprise at least one of a time of arrival delay extracted using received signal strength indicator (RSSI) transition, a time of arrival delay extracted using signal preamble correlation, a time difference of arrival, a transmitted signal strength, an angle of arrival, equalizer filter coefficients, a channel multipath profile, channel fast Fourier transform (FFT) coefficients, beacon signal strength, phase of each pilot tone, amplitude of each pilot tone and Doppler shift associated with movement of said plurality of mobile devices. 31. The system of claim 24, wherein the first mobile device is further configured to determine said location coordinates of the first mobile device based on receiving global positioning system (GPS) information from a plurality of GPS satellites and a weighted average of at least one of (i) a plurality of differential correction data and (ii) a plurality of assistance data from one or more access points. 32. The system of claim 31, wherein a weight assigned to each of said plurality of differential correction data and said plurality of assistance data is determined based on at least one of a reception characteristic of each of said one or more access points, a relative distance, a relative received power level, and a relative received phase difference between the first mobile device and each of said one or more access points. 33. The system of claim 32, wherein said plurality of differential correction and assistance data received from said one or more access points corresponds to at least one of Wireless Local Area Network (WLAN) standard, Bluetooth standard, WiMax standard, HD Radio standard, Ultra-wideband (UWB) standard, GPS standard, cellular standard, near field communication (NFC) standard, and 60 GHz standard. 34. The system of claim 24, wherein the first mobile device is further configured to determine said location coordinates of the first mobile device based on a calculated time of travel of a received signal from one or more access points to the first mobile device. 35. The system of claim 34, wherein the first mobile device is further configured to calculate said time of travel of said received signal based on correlating said received signal with a corresponding received signal with a similar known radio transmission pattern. 36. The system of claim 34, wherein the first mobile device is further configured to calculate said time of travel of said received signal based on correlating a preamble of said received signal with a preamble of said corresponding received signal with said similar known radio transmission pattern. 37. The system of claim 24, wherein the first mobile device is further configured to recalibrate said determined location coordinates of the first mobile device based on receiving a plurality of positioning assistance data from one or more position reference devices using short range wireless communication protocols. 38. The system of claim 37, wherein said one or more position reference devices comprises at least one of passive near field communication (NFC) tags, active NFC tags, passive radio frequency identification (RFID) tags, active RFID tags, Bluetooth enabled devices, Wi-Fi Direct, 60 GHz enabled devices, and Wireless Local Area Network (WLAN) access points. 39. The system of claim 24, wherein the first mobile device is further configured to send, prior to receiving said authorization request, a payment transaction order to the first point of sale device when the first mobile device is within the defined geo-fence of the point of sale device. 40. A system for communication, the system comprising: a network comprising a plurality of mobile devices; anda plurality of point of sale devices comprising a first point of sale device, the first point of sale device comprising at least one processor and a set of circuits, wherein a geo-fence is defined around the first point of sale device, wherein the first point of sale device is configured to:determine location coordinates of a first mobile device of said plurality of mobile devices; andtrigger a notification when the first mobile device is within the geo-fence defined around the first point of sale device;send an authorization request to the first mobile device to execute a payment transaction when the first mobile device is within the geo-fence defined around the first point of sale device;receive a verbal authorization from a user of the first mobile device for executing the payment transaction to the first point of sale device when the first mobile device is within the geo-fence defined around the first point of sale device;video record the verbal authorization at the first point of sale device to resolve potential disputes of the payment transaction; andexecute the payment transaction at the first point of sale device when the first mobile device is within the geo-fence defined around the first point of sale device. 41. The system of claim 40, wherein the first mobile device comprises a radio frequency identification (RFID) tag, wherein the first point of sale device is further configured to determine said location coordinates of the first mobile device based on extracting at least one measured position parameter from each of three or more backscattered signals communicated by the RFID tag of the first mobile device. 42. The system of claim 41, wherein said three or more backscattered signals are received at one or more RFID readers located at three or more different locations in response to communicating by said one or more RFID readers, three or more RF signals to the first mobile device. 43. The system of claim 40, wherein the first point of sale device is further configured to determine said location coordinates of the first mobile device based on measured phase differences and corresponding frequency differences associated with each of three or more signals received from the first mobile device. 44. The system of claim 43, wherein each of said three or more signals comprises a plurality of pilot tones that are received at one or more electronic devices located at three or more different known locations via said network. 45. The system of claim 43, wherein each of said three or more signals are orthogonal frequency division multiplexed (OFDM) signals that are received at one or more electronic devices located at three or more different known locations via said network. 46. The system of claim 40, wherein the first point of sale device is further configured to determine said location coordinates of the first mobile device based on received pilot tone pair phase differences, amplitude of pilot tones, and coordinates of one or more electronic devices located at three or more different known locations. 47. The system of claim 40, wherein the first point of sale device is further configured to receive an authorization to execute the payment transaction when the first mobile device is within a defined proximity of said first of said plurality of point of sale devices. 48. The system of claim 40, wherein the first point of sale device is further configured to determine whether the first mobile device is within a defined proximity of the first point of sale device based on said geo-fence defined around the first point of sale device. 49. The system of claim 40, wherein the first point of sale device is further configured to receive a speed of movement and a direction of movement of the first mobile device at the first point of sale device. 50. The system of claim 40, wherein the first point of sale device is further configured to accept, prior to sending said authorization request, a payment transaction order from the first mobile device after determining, based on the location coordinates of the first mobile device, that the first mobile device is within the defined geo-fence of the point of sale device.