Mobile phone authentication in WiFi coverage

• US 10,542,466 B1
• Filed: 05/25/2018
• Issued: 01/21/2020
• Est. Priority Date: 05/25/2018
• Status: Active Grant

• Current Assignee: T-Mobile Innovations LLC (Deutsche Telekom AG)
• Original Assignee: Sprint Communications Company LP (Deutsche Telekom AG)
• Inventors: Indurkar, Dhananjay, Peden, Mark D.
• Primary Examiner(s): Eng, George
• Assistant Examiner(s): Gao, Jing
• Application Number:
  US15/990,422
• Time in Patent Office: 606 Days
• CPC Class Codes: H04L 63/0853 using an additional device, e.g. smartcard, SIM or a different communication terminal cryptographic mechanisms or cryptographic arrangements for entity authentication involving additional secure or trusted devices H04L9/3234
• CPC Class Codes: H04W 12/04 Key management, e.g. using generic bootstrapping architecture [GBA]
• CPC Class Codes: H04W 12/06 Authentication
• CPC Class Codes: H04W 36/0022 for transferring data sessions between adjacent core network technologies
• CPC Class Codes: H04W 36/0038 of security context information
• CPC Class Codes: H04W 36/32 by location or mobility data, e.g. speed data
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]

Abstract

A method of providing a wireless communication link to a mobile communication device. The method comprises providing a first wireless communication link by a first WiFi access point (AP) to the mobile device, where the first AP broadcasts a first SSID, establishing a communication session between the mobile device and a destination communication device via the first wireless communication link, determining locations of the mobile device by a server, and, based on a change of the locations of the mobile device, sending a WiFi handoff command by the server to a second WiFi AP, where the WiFi handoff command comprises authentication credentials of the mobile device. The method further comprises providing a second wireless communication link based on the authentication credentials by a second AP to the mobile device, where the second AP broadcasts the first SSID and the communication session is continued over the second wireless communication link.

Claims

1. A method of providing a wireless communication link to a mobile communication device, comprising:

providing a first wireless communication link by a first WiFi access point to the mobile communication device, where the first WiFi access point broadcasts a first service set identifier (SSID);

establishing a communication session between the mobile communication device and a destination communication device via the first wireless communication link;

determining locations of the mobile communication device by a server computer;

based on a change of the locations of the mobile communication device, sending a WiFi handoff command by the server computer to a second WiFi access point, where the WiFi handoff command comprises authentication credentials of the mobile communication device and an instruction to the second WiFi access point to broadcast the first SSID among a plurality of SSIDs broadcast by the second WiFi access point, and where data from a subscriber identity module (SIM) card of the mobile communication device is not included in the authentication credentials;

providing a second wireless communication link based on the authentication credentials by the second WiFi access point to the mobile communication device, where the second WiFi access point broadcasts the first SSID and the communication session is continued over the second wireless communication link according to the first SSID, and wherein the second WiFi access point broadcasts at least one SSID other than the first SSID while also broadcasting the first SSID;

based on a further change of the locations of the mobile communication device, sending a second WiFi handoff command by the server computer to a third WiFi access point, where the second WiFi handoff command comprises the authentication credentials of the mobile communication device, and wherein the communication session is handed off from the second WiFi access point to the third WiFi access point based on the second WiFi handoff command sent to the third WiFi access point; and

providing a third wireless communication link based on the authentication credentials by the third WiFi access point to the mobile communication device, where the third WiFi access point broadcasts the first SSID and the communication session is continued over the third wireless communication link according to the first SSID.

2. The method of claim 1, wherein the mobile communication device is one of a mobile phone, a smart phone, a personal digital assistant (PDA), a headset computer, a wearable computer, a laptop computer, a notebook computer, or a tablet computer.

3. The method of claim 1, further comprising:

receiving a mobile device number (MDN) by the first WiFi access point from the mobile communication device; and

sending the MDN to the server computer, wherein the authentication credentials are obtained by the server computer based on the MDN.

4. The method of claim 1, further comprising:

receiving a mobile equipment identity (MEID) by the first WiFi access point from the mobile communication device; and

sending the MEID to the server computer, wherein the authentication credentials are obtained by the server computer based on the MEID.

5. The method of claim 1, further comprising sending a location of the mobile communication device, wherein the authentication credentials are obtained by the server computer based on the location.

6. The method of claim 1, wherein the mobile communication device is a foreign mobile phone.

7. A method of providing a wireless communication link to a mobile communication device, comprising:

providing a first wireless communication link by a first WiFi access point to the mobile communication device, where the first WiFi access point broadcasts a first service set identifier (SSID);

establishing a communication session between the mobile communication device and a destination communication device via the first wireless communication link;

determining locations of the mobile communication device by a server computer;

providing a second wireless communication link by a second WiFi access point based on authentication credentials received by the second WiFi access point from the server computer to the mobile communication device, where the second WiFi access point broadcasts the first SSID and the communication session is continued over the second wireless communication link according to the first SSID, and wherein the second WiFi access point broadcasts at least one SSID other than the first SSID while also broadcasting the first SSID;

based on a change of the locations of the mobile communication device, sending a WiFi handoff command by the server computer to a third WiFi access point, where the WiFi handoff command comprises authentication credentials of the mobile communication device and an instruction to the third WiFi access point to broadcast the first SSID among a plurality of SSIDs broadcast by the third WiFi access point; and

providing a third wireless communication link based on the authentication credentials by the third WiFi access point to the mobile communication device, where the third WiFi access point broadcasts the first SSID and the communication session is continued over the third wireless communication link according to the first SSID;

based on a further change of the locations of the mobile communication device, sending a WiFi-to-cellular handoff command by the server computer to a cell site, where the WiFi-to-cellular handoff command comprises authentication credentials of the mobile communication device; and

providing a fourth wireless communication link based on the authentication credentials by the cell site to the mobile communication device without the mobile communication device authenticating with the cell site or transmitting data from a subscriber identity module (SIM) card of the mobile communication device to the cell site, where the communication session is continued over the fourth wireless communication link.

8. The method of claim 7, further comprising sending a wireless link release command to the cell site by the server computer.

9. The method of claim 7, wherein the cell site provides the fourth wireless communication link according to one of a long term evolution (LTE), a code division multiple access (CDMA), a global system for mobile communication (GSM), or a worldwide interoperability for microwave access (WiMAX) wireless communication protocol.

10. The method of claim 7, wherein the server computer determines the authentication credentials based on a mobile device number (MDN) and a mobile equipment identity (MEID) of the mobile communication device.

11. The method of claim 7, wherein the mobile communication device is one of a mobile phone, a smart phone, a personal digital assistant (PDA), a headset computer, a wearable computer, a laptop computer, a notebook computer, or a tablet computer.

12. A method of providing a wireless communication link to a mobile communication device, comprising:

providing a first wireless communication link by a first WiFi access point to the mobile communication device, where the first WiFi access point broadcasts a first service set identifier (SSID);

establishing a communication session between the mobile communication device and a destination communication device via the first wireless communication link;

determining locations of the mobile communication device by a server computer;

based on a change of the locations of the mobile communication device, sending a WiFi handoff command by the server computer to a second WiFi access point, where the WiFi handoff command comprises authentication credentials of the mobile communication device and an instruction to the second WiFi access point to broadcast the first SSID among a plurality of SSIDs broadcast by the second WiFi access point, and where data from a subscriber identity module (SIM) card of the mobile communication device is not included in the authentication credentials; and

providing a second wireless communication link based on the authentication credentials by a second WiFi access point to the mobile communication device, where the second WiFi access point broadcasts the first SSID and the communication session is continued over the second wireless communication link according to the first SSID for a duration of time of the communication session until the communication session ends or the communication session is handed-off to a WiFi access point other than the second WiFi access point and continues according to the first SSID at the WiFi access point other than the second WiFi access point, and wherein the second WiFi access point broadcasts at least one SSID other than the first SSID while also broadcasting the first SSID.