Cordless and cellular communication session handoff

• US 20050221845A1
• Filed: 04/05/2004
• Published: 10/06/2005
• Est. Priority Date: 04/05/2004
• Status: Abandoned Application

• Current Assignee: Lucent Technologies, Inc. (Nokia Corporation)
• Original Assignee: Lucent Technologies, Inc. (Nokia Corporation)
• Inventors: Benco, David S., Sheen, Baoling S., Voight, Kenneth J., True, Sandra L., Overend, Kevin J.
• Application Number:
  US10/818,216
• Publication Number:
  US 20050221845A1
• Time in Patent Office: Days
• US Class Current: 455/462
• CPC Class Codes: H04W 36/08 Reselecting an access point
• CPC Class Codes: H04W 4/16 Communication-related supplementary services, e.g. call-transfer or call-hold
• CPC Class Codes: H04W 76/10 Connection setup

Abstract

A method comprises the step of performing a handoff of an active communication session of a mobile communication device between a cordless phone base station and a cellular base station.

Claims

1. A method, comprising the step of:

performing a handoff of an active communication session of a mobile communication device between a cordless phone base station and a cellular base station.

2. The method of claim 1, wherein the step of performing the handoff of the active communication session of the mobile communication device between the cordless phone base station and the cellular base station comprises the steps of:

making a determination to establish a communication path between the mobile communication device and any of the cordless phone base station or the cellular base station; and

performing the handoff of the active communication session based on the determination to establish the communication path between the mobile communication device and any of the cordless phone base station or the cellular base station.

3. The method of claim 2, wherein the step of making the determination to establish the communication path between the mobile communication device and any of the cordless phone base station or the cellular base station comprises the step of:

determining a proximity of the mobile communication device to the cordless phone base station and/or a proximity of the mobile communication device to the cellular base station.

4. The method of claim 2, wherein the step of making the determination to establish the communication path between the mobile communication device and any of the cordless phone base station or the cellular base station comprises the step of:

determining a signal strength between the mobile communication device and the cordless phone base station and/or a signal strength between the mobile communication device and the cellular base station.

5. The method of claim 2, wherein the step of making the determination to establish the communication path between the mobile communication device and any of the cordless phone base station or the cellular base station comprises the step of:

determining a capacity of the cordless phone base station and/or a capacity of the cellular base station.

6. The method of claim 2, wherein the step of making the determination to establish the communication path between the mobile communication device and any of the cordless phone base station or the cellular base station comprises the step of:

determining a transmission cost associated with the cordless phone base station and/or a transmission cost associated with the cellular base station.

7. The method of claim 2, wherein the step of making the determination to establish the communication path between the mobile communication device and any of the cordless phone base station or the cellular base station comprises the step of:

determining a user-defined preference for a first communication path between the mobile communication device and the cellular base station and a second communication path between the mobile communication device and the cordless phone base station.

8. The method of claim 7, wherein the step of determining the user-defined preference for the first communication path between the mobile communication device and the cellular base station and the second communication path between the mobile communication device and the cordless phone base station comprises the step of:

receiving one or more user inputs for the user-defined preference for the first communication path between the mobile communication device and the cellular base station and the second communication path between the mobile communication device and the cordless phone base station.

9. The method of claim 2, wherein the mobile communication device and the cellular base station comprise a first communication path between the mobile communication device and the cellular base station for the active communication session, the method further comprising the step of:

establishing a second communication path between the mobile communication device and the cordless phone base station.

10. The method of claim 9, wherein the step of performing the handoff of the active communication session based on the determination to establish the communication path between the mobile communication device and any of the cordless phone base station or the cellular base station comprises the step of:

performing a handoff of the active communication session from the first communication path between the mobile communication device and the cellular base station to the second communication path between the mobile communication device and the cordless phone base station.

11. The method of claim 10, wherein the step of performing the handoff of the active communication session from the first communication path between the mobile communication device and the cellular base station to the second communication path between the mobile communication device and the cordless phone base station comprises the step of:

exchanging one or more messages with a local digital switch of a public switched telephone network that comprises the cordless phone base station to perform the handoff of the active communication session.

12. The method of claim 2, wherein the mobile communication device and the cordless phone base station comprise a first communication path between the mobile communication device and the cordless phone base station for the active communication session, the method further comprising the step of:

establishing a second communication path between the mobile communication device and the cellular base station.

13. The method of claim 12, wherein the step of performing the handoff of the active communication session based on the determination to establish the communication path between the mobile communication device and any of the cordless phone base station or the cellular base station comprises the step of:

performing a handoff of the active communication session from first communication path between the mobile communication device and the cordless phone base station to the second communication path between the mobile communication device and the cellular base station.

14. The method of claim 13, wherein the step of performing the handoff of the active communication session from first communication path between the mobile communication device and the cordless phone base station to the second communication path between the mobile communication device and the cellular base station comprises the step of:

exchanging one or more messages with a mobile switching center of a cellular communication network that comprises the cellular base station to perform the handoff of the active communication session.

15. An apparatus, comprising:

a mobile switching center that performs a handoff of an active communication session of a mobile communication device between a cellular base station and a cordless phone base station.

16. The apparatus of claim 15, wherein the mobile switching center communicates with a local digital switch to perform the handoff of the active communication session of the mobile communication device;

wherein the mobile switching center and the cellular base station comprise a portion of a cellular communication network;

wherein the local digital switch and the cordless phone base station comprise a portion of a public switched telephone network.

17. The apparatus of claim 16, wherein the mobile switching center and the local digital switch cooperate to perform a hard handoff of the active communication session of the mobile communication device.

18. An article, comprising:

one or more computer-readable signal-bearing media; and

means in the one or more media for performing a handoff of an active communication session of a mobile communication device between a cordless phone base station and a cellular base station.

19. The article of claim 18, wherein the means in the one or more media for performing a handoff of an active communication session of a mobile communication device between a cordless phone base station and a cellular base station comprises:

means in the one or more media for making a determination to establish a communication path between the mobile communication device and any of the cordless phone base station or the cellular base station;

means in the one or more media for performing the handoff of the active communication session based on the determination to establish the communication path between the mobile communication device and any of the cordless phone base station or the cellular base station.

20. The article of claim 19, wherein the means in the one or more media for making the determination to establish the communication path between the mobile communication device and any of the cordless phone base station or the cellular base station comprises:

means in the one or more media for determining;

a proximity of the mobile communication device to the cordless phone base station and/or a proximity of the mobile communication device to the cellular base station;

a signal strength between the mobile communication device and the cordless phone base station and/or a signal strength between the mobile communication device and the cellular base station;

a transmission cost associated with the cordless phone base station and/or a transmission cost associated with the cellular base station; and

/or

a user-defined preference for a first communication path between the mobile communication device and the cellular base station and a second communication path between the mobile communication device and the cordless phone base station.