Radio operation switch based on GPS mobility data

• US 10,334,556 B2
• Filed: 03/20/2018
• Issued: 06/25/2019
• Est. Priority Date: 09/24/2014
• Status: Active Grant

• Current Assignee: Parallel Wireless, Inc.
• Original Assignee: Parallel Wireless, Inc.
• Inventors: Garg, Sumit
• Primary Examiner(s): Ajayi, Joel
• Application Number:
  US15/926,739
• Publication Number:
  US 20180213503A1
• Time in Patent Office: 462 Days
• Field of Search: 4554565
• CPC Class Codes: G01S 19/13 Receivers
• CPC Class Codes: H04W 24/02 Arrangements for optimising operational condition
• CPC Class Codes: H04W 36/32 by location or mobility data, e.g. speed data
• CPC Class Codes: H04W 36/322 by location data
• CPC Class Codes: H04W 36/324 by mobility data, e.g. speed data
• CPC Class Codes: H04W 52/28 using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
• CPC Class Codes: H04W 52/282 taking into account the speed of the mobile
• CPC Class Codes: H04W 52/283 Power depending on the position of the mobile
• CPC Class Codes: H04W 64/003 locating network equipment
• CPC Class Codes: H04W 64/006 with additional information processing, e.g. for direction or speed determination
• CPC Class Codes: H04W 84/005 Moving wireless networks
• CPC Class Codes: H04W 88/08 Access point devices
• CPC Class Codes: H04W 88/10 adapted for operation in multiple networks, e.g. multi-mode access points

Abstract

Systems and methods are disclosed for providing a radio operation switch based on mobility data. In one embodiment, a mobile base station is disclosed, comprising: a global positioning system (GPS) module for determining a current location of the mobile base station; a velocity module coupled to the output of the GPS module for determining a current velocity of the mobile base station; and a controller, the controller configured to perform steps comprising: determining the current velocity of the mobile base station using the velocity module; comparing the current velocity to a threshold; and switching, based on the comparison, from a first radio band to a second radio band.

Claims

1. A mobile base station, the mobile base station being capable of at least one of 2G, 3G, or 4G communication with a mobile device and having a wireless backhaul connection to provide data egress from the mobile base station, the mobile base station located in a vehicle, the mobile base station comprising:

a positioning module for determining a current location of the mobile base station;

a velocity module coupled to an output of the positioning module for determining a current velocity of the mobile base station; and

a self-organizing network (SON) controller, the SON controller configured to perform steps comprising;

determining the current velocity of the mobile base station using the velocity module;

comparing the current velocity to a threshold velocity to determine whether the current velocity exceeds the threshold velocity;

switching a first radio, based on the comparison showing that the current velocity exceeds the threshold velocity, from a higher power level to a lower power level;

switching the wireless backhaul connection from a first backhaul mode to a second backhaul mode, the first backhaul mode being configured to provide backhaul at a low speed, the second backhaul mode being configured to provide backhaul at a higher speed, and

maintaining the wireless backhaul connection in the second backhaul mode for providing coverage to the mobile device within a reduced cell coverage area of the mobile base station when the mobile base station is moving at a higher speed,

wherein the reduced cell coverage area is configured to be coextensive with an interior of the vehicle carrying the mobile base station.

4. The mobile base station of claim 1, wherein the first radio band is a Long Term Evolution (LTE band) and the second radio band is an IEEE 802.11 wireless band.

5. The mobile base station of claim 1, wherein the wireless backhaul connection uses one of Long Term Evolution (LTE), Long Term Evolution Unlicensed (LTE-U), or Licensed Access Long Term Evolution (LA-LTE), or LTE transmissions using dynamic spectrum access (DSA).

6. The mobile base station of claim 1, further comprising using, based on the comparison, a backhaul radio connection in a first radio band for a first backhaul mode, and using a backhaul radio connection in a second radio band for a second backhaul mode.

7. The mobile base station of claim 6, wherein the first backhaul mode is a Long Term Evolution (LTE) backhaul configuration and the second backhaul mode is at least one of an 802.11-based wireless backhaul configuration or a wireless mesh network backhaul configuration.

8. The mobile base station of claim 1, wherein the mobile base station is a multi radio access technology (multi-RAT) mesh node configured to provide access to mobile devices over UMTS, HSPA, CDMA, CDMA2000, GSM, EDGE, GPRS, EVDO, or WiMAX when the mobile base station has a current velocity below a second threshold velocity.

9. The mobile base station of claim 1, wherein the mobile base station is configured to provide access to mobile devices over two or more of LTE, UMTS, HSPA, CDMA, CDMA2000, GSM, EDGE, GPRS, EVDO, or WiMAX when the cellular base station is mobile below a second threshold velocity.

10. The mobile base station of claim 1, wherein the mobile base station is configured to provide access to mobile devices over LTE and UMTS when the mobile base station is moving below a second threshold velocity or stationary.

11. The mobile base station of claim 1, wherein the mobile base station is configured to provide access to mobile devices within a limited area over an IEEE 802.11 wireless local area network (WLAN) wireless protocol when the mobile base station is moving above a second threshold velocity.

12. The mobile base station of claim 1, wherein the positioning module is a global positioning system (GPS) positioning module.

20. The mobile base station of claim 1, wherein the SON module is further configured to reduce number of handovers to and from neighboring cells and interference with neighboring cells.

21. The mobile base station of claim 1, wherein the mobile base station is configured to operate in a mesh network with other mobile base stations.

22. The mobile base station of claim 1, wherein the SON module is configured to coordinate with one or more remote SON modules providing transmit power assessment or radio band switching functionality.

23. The mobile base station of claim 1, further comprising a local packet core for providing authentication of the mobile device without the use of a packet core on the network for authentication.

2. A method for providing access to mobile devices at a mobile cellular base station, comprising:

determining a current location of the mobile cellular base station;

determining, based on the current location, a current velocity of the mobile cellular base station;

comparing the current velocity to a threshold velocity to determine whether the current velocity exceeds the threshold velocity;

switching a first radio, based on the current velocity being greater than the threshold velocity, from a first radio band to a second radio band and from a higher power level to a lower power level for transmissions from the mobile cellular base station, thereby decreasing a transmit power of the mobile cellular base station to reduce a cell coverage area of the mobile cellular base station; and

maintaining a wireless backhaul IP connection to provide coverage to one or more mobile devices in the reduced cell coverage area using a second radio, the second radio being configured to connect to a core network,

wherein the reduced cell coverage area extends throughout a vehicle carrying the mobile cellular base station.

13. The method of claim 2, further comprising switching, when the comparison shows a decrease in the current velocity, from the second radio band to the first radio band.

14. The method of claim 2, wherein the first radio band is a 5.9 GHz 802.11p band and the second radio band a 5 GHz Wi-Fi band.

15. The method of claim 2, wherein the first radio band is a Long Term Evolution (LTE) band and the second radio band is an IEEE 802.11 wireless band.

16. The method of claim 2, wherein the first backhaul mode uses an IEEE 802.11 wireless band and the second backhaul mode uses a Long Term Evolution (LTE) band.

17. The method of claim 2, further comprising continuing to monitor the velocity of the mobile cellular base station to determine when to increase transmit power and increasing the transmit power when the current velocity of the mobile cellular base station has decreased below a second threshold velocity.

24. The method of claim 2, further comprising determining, based on the current location, a current velocity of the mobile cellular base station at a cloud coordination server.

3. A method for providing access to mobile devices at a mobile cellular base station in a vehicle, comprising:

determining a current location of the mobile cellular base station;

determining, based on the current location, a current velocity of the mobile cellular base station;

comparing the current velocity to a threshold velocity;

reducing a transmit power at the base station when the current velocity exceeds the threshold velocity to provide coverage to the mobile devices inside the vehicle;

switching, based on the current velocity being greater than the threshold velocity, a backhaul radio connection for providing data egress for mobile device data from the mobile cellular base station from a first backhaul mode to a second backhaul mode while maintaining a wireless backhaul IP connection, the second backhaul mode being configured to use a wireless protocol suitable for maintaining the wireless backhaul IP connection from a moving vehicle;

continuing to monitor the current velocity of the mobile cellular base station to determine when to increase the transmit power; and

increasing the transmit power when the current velocity of the mobile cellular base station has decreased below a second threshold velocity.

18. The method of claim 3, wherein the threshold velocity is equal to the second threshold velocity, such that the transmit power is increased when the current velocity falls below the threshold velocity.

19. The method of claim 3, wherein the first backhaul mode is a Long Term Evolution (LTE) backhaul configuration and the second backhaul mode is a wireless mesh network backhaul configuration.

25. The method of claim 3, further comprising determining, based on the current location, a current velocity of the mobile cellular base station at a cloud coordination server.