Smart Wireless Asset Tracking

• US 20170024997A1
• Filed: 07/21/2016
• Published: 01/26/2017
• Est. Priority Date: 07/22/2015
• Status: Active Grant

• Current Assignee: Microchip Technology Incorporated
• Original Assignee: Microchip Technology Incorporated
• Inventors: Venuturumilli, Abhinay
• Granted Patent: US 10,380,874 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G06Q 10/08 Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
• CPC Class Codes: G06Q 10/0833 Tracking
• CPC Class Codes: G08B 25/10 using wireless transmission systems G08B25/009 takes precedence
• CPC Class Codes: H04W 52/36 with a discrete range or set of values, e.g. step size, ramping or offsets

Abstract

Systems and methods for localizing a bad condition in a crowded asset environment include providing a plurality of wireless transceivers associated with a sensor monitoring a condition of an asset, wherein each of the plurality of wireless transceivers in a long range operating mode adjusts the transmission power to a high output power, monitoring the conditions of the assets using the long range operating mode with a sensor receiver, communicating an alarm to the sensor receiver by at least one of the plurality of wireless transceiver, transmitting by the sensor receiver a command to all of the plurality of wireless transceivers to switch to a low transmission power output to allow a localization of the item, switching each of the plurality of wireless transceivers to operate in a localization operating mode, wherein the transmission power is set to a low output power, and localizing the sensor generating the alarm.

Claims

1. A method for localizing a bad condition in a crowded asset environment, the method comprising:

providing a plurality of wireless transceivers, wherein each wireless transceiver is operable to provide an adjustable transmission power, each of the plurality of wireless transceivers associated with a sensor monitoring a condition of an asset;

operating each wireless transceiver in a long range operating mode which adjusts the transmission power to a high output power;

monitoring the conditions of the assets using the long range operating mode with a sensor receiver;

communicating an alarm to the sensor receiver by at least one of the plurality of wireless transceiver;

transmitting by the sensor receiver a command to all of the plurality of wireless transceivers to switch to a low transmission power output to allow a localization of the item;

switching each of the plurality of wireless transceivers to operate in a localization operating mode, wherein the transmission power is set to a low output power; and

localizing the sensor generating the alarm.

2. The method according to claim 1, wherein the long range operating mode is a Bluetooth Low Energy transmission mode and the localization operating mode is a Bluetooth Beacon mode.

3. The method according to claim 1, wherein the long range operating mode provides for the highest possible output power of the transmitter and the localization operating mode provides for the lowest possible output power.

4. The method according to claim 3, wherein lowest possible output power provides for transmission distance that provides a minimum overlap from other items.

5. The method according to claim 1, wherein localizing the sensor generating the alarm comprises placing the sensor receiver in physical proximity to each of the plurality of wireless transceivers in order to localize the sensor generating the alarm.

6. The method according to claim 1, wherein the alarm comprises a signal that the sensor associated with the communicating wireless transceiver is malfunctioning.

7. The method according to claim 1, wherein the sensor receiver comprises a mobile computing device.

8. The method according to claim 1, wherein the sensor receiver comprises a stationary portion and a mobile portion.

9. The method according to claim 1, wherein the condition of the asset is selected from the group consisting of:

temperature, pressure, or time.

10. A system for localizing a bad condition in a crowded asset environment, the system comprising:

a plurality of wireless transceivers, wherein each of the plurality of wireless transceivers is associated with a sensor monitoring a condition of an asset, and wherein each of the plurality of wireless transceivers is operable to provide an adjustable transmission power; and

a sensor receiver communicatively coupled to each of the plurality of wireless transceivers, the sensor receiver operable to monitor the conditions of the assets by receiving transmissions from the plurality of wireless transceivers operating in a long range operating mode which adjusts a transmission power to a high output power; and

wherein each of the plurality of wireless transceivers is operable to;

in a long range operating mode which adjusts a transmission power to a high output power, communicate monitoring data associated with the condition of the asset to the sensor receiver;

in the long range operating mode, communicate an alarm to the sensor receiver;

in response to a signal from the sensor receiver, switch to operate in a localization operating mode, wherein the transmission power is set to a low output power; and

wherein the sensor receiver is further operable to localize the sensor generating the alarm.

11. The system according to claim 10, wherein the long range operating mode is a Bluetooth Low Energy transmission mode and the localization operating mode is a Bluetooth Beacon mode.

12. The system according to claim 10, wherein the long range operating mode provides for the highest possible output power of the transmitter and the localization operating mode provides for the lowest possible output power.

13. The system according to claim 12, wherein lowest possible output power provides for transmission distance that provides a minimum overlap from other items.

14. The system according to claim 10, wherein localizing the sensor generating the alarm comprises placing the sensor receiver in physical proximity to each of the plurality of wireless transceivers in order to localize the sensor generating the alarm.

15. The system according to claim 10, wherein the alarm comprises a signal that the sensor associated with the communicating wireless transceiver is malfunctioning.

16. The system according to claim 10, wherein the sensor receiver comprises a mobile computing device.

17. The system according to claim 10, wherein the sensor receiver comprises a stationary portion and a mobile portion.

18. The system according to claim 10, wherein the condition of the asset is selected from the group consisting of:

temperature, pressure, or time.

19. A system for localizing a bad condition in a crowded asset environment, the system comprising:

a plurality of assets, wherein each of the plurality of assets is associated with a sensor monitoring a condition of the asset;

a plurality of wireless transceivers, each of the plurality of wireless transceivers associated with one or more of the sensors, and wherein each of the plurality of wireless transceivers is operable to provide an adjustable transmission power;

wherein each of the plurality of wireless transceivers is operable to;

in a long range operating mode which adjusts a transmission power to a high output power, communicate monitoring data associated with the condition of the asset to a sensor receiver;

in the long range operating mode, communicate an alarm to the sensor receiver;

in response to a signal from the sensor receiver, switch to operate in a localization operating mode, wherein the transmission power is set to a low output power; and

in response to a second signal received from the sensor receiver once the sensor generating the alarm has been localized, return to operating in the long range operating mode.

20. The system according to claim 19, wherein the long range operating mode is a Bluetooth Low Energy transmission mode and the localization operating mode is a Bluetooth Beacon mode.