System for managing radio modems

• US 7,949,364 B2
• Filed: 10/03/2006
• Issued: 05/24/2011
• Est. Priority Date: 10/03/2006
• Status: Active Grant

• Current Assignee: Nokia Technologies Oy (Nokia Corporation)
• Original Assignee: Nokia Corporation
• Inventors: Ruuska, Päivi M., Laine, Hannu E., Laaksonen, Miika O., Kasslin, Mika, Reunamäki, Jukka, Honkanen, Mauri
• Primary Examiner(s): Ly; Nghi H
• Assistant Examiner(s): PHAM, TIMOTHY X
• Application Number:
  US11/538,310
• Publication Number:
  US 20080081663A1
• Time in Patent Office: 1,694 Days
• Field of Search: 455/552.1, 455/557, 455/450, 455/507, 370/310, 370/328, 370/338
• US Class Current: 455/552.1
• CPC Class Codes: H04B 1/005 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
• CPC Class Codes: H04B 1/406 with more than one transmission mode, e.g. analog and digital modes

Abstract

A system for managing the operation of a plurality of radio modems contained within the same WCD. One or more of the plurality of radio modems may be a dual-mode radio modem enabled to communicate using at least two separate radio protocols concurrently. The operation of the one or more dual-mode modems may be managed by resources encompassed in a radio modem interface coupled to, or integrated within, the dual-mode radio modem. These management resources may receive information from the operating system level of the WCD and from the at least two radio modem stacks utilizing the resources of the dual mode radio modem in order to coordinate the operation of the at least two radio protocols concurrently active in the modem.

Claims

1. An apparatus, comprising:

a control entity; and

a radio modem including physical layer resources configured to support at least two radio protocols, the radio modem further including a radio modem interface and a local controller, the local controller being configured to;

receive operational information from the control entity via the radio modem interface for at least one of the at least two radio protocols that share access to the physical layer resources, the operational information comprising one or more parameters for controlling operation of the at least one of the at least two radio protocols and schedule information including at least one time period during which the radio modem is allowed to communicate;

receive status information directly from the at least two radio protocols;

determine priorities for the at least two radio protocols for accessing the physical layer resources during the at least one time period based on the operational information and the status information corresponding to the at least two radio protocols; and

schedule access to the physical layer resources during the at least one time period for the at least two radio protocols based on the determined priorities, the scheduling comprising reallocating a portion of the at least one time period that is reserved in received schedule information for a higher priority radio protocol to access the physical layer resources that the local controller determines will go unused to at least one lower priority radio protocol.

2. The apparatus of claim 1, wherein the apparatus is a wireless communication device including a plurality of radio modems, each radio modem further including a radio modem interface.

3. The apparatus of claim 1, wherein the local controller is a Dual Mode (DuMo) manager that is integrated into the radio modem interface, the DuMo manager being configured to coordinate the operation of the at least two protocols.

4. The apparatus of claim 3, wherein the local controller further includes an Admission control configured to assign at least radio and connection parameters so that the DuMo manager can coordinate operation for avoiding collisions between the at least two radio protocols.

5. A method, comprising:

receiving operational information from a control entity via a radio modem interface for at least one of at least two radio protocols that share access to physical layer resources in a radio modem, the operational information comprising one or more parameters for controlling operation of the at least one of the at least two radio protocols and schedule information including at least one time period during which the radio modem is allowed to communicate;

receiving status information directly from the least two radio protocols; and

determining priorities for the at least two radio protocols based on the operational information and the status information corresponding to the at least two radio protocols; and

scheduling access to the physical layer resource during the at least one time period for the at least two radio protocols based on the determined priorities, the scheduling comprising reallocating a portion of the at least one time period that is reserved in received schedule information for a higher priority radio protocol to access the physical layer resources that the local controller determines will go unused to at least one lower priority radio protocol.

6. The method of claim 5, wherein the control entity is a multiradio controller in a wireless communication device that also includes the radio modem.

7. The method of claim 6, wherein the operational information is based on scheduling for all radio modems in the wireless communication device.

8. The method of claim 5, wherein the status information corresponding to the at least two radio protocols is received from radio protocol stacks corresponding to each of the at least two radio protocols.

9. The method of claim 8, wherein the status information corresponding to the at least two radio protocols includes information related to at least one of the current status of the dual mode-radio modem, a current message queue for each radio protocol stack and a priority level for the messages pending for each radio protocol stack.

10. The method of claim 5, wherein the status information further includes a priority determination for the at least two radio protocols, wherein the determination of a higher priority radio protocol and a lower priority radio protocol includes obtaining radio protocol priority information from at least one of an application level of the wireless communication device, an operating system level of the wireless communication device, a user-specified configuration in the wireless communication device and the dual-mode radio modem.

11. A computer program product comprising computer executable program code recorded on a non-transitory computer readable storage medium, the computer executable program code comprising:

code configured to receive operational information from a control entity via a radio modem interface for at least one of at least two radio protocols that share access to physical layer resources in a radio modem, the operational information comprising one or more parameters for controlling the at least one of the least two radio protocols and schedule information including at least one time period during which the radio modem is allowed to communicate;

code configured to receive status information directly from the least two radio protocols;

code configured to determine priorities for the at least two radio protocols based on the operational information and the status information; and

code configured to schedule access to the physical layer resource during the at least one time period for the at least two radio protocols based on the determined priorities, the scheduling comprising reallocating a portion of the at least one time period that is reserved in received schedule information for a higher priority radio protocol to access the physical layer resources that the local controller determines will go unused to at least one lower priority radio protocol.

12. The computer program product of claim 11, wherein the control entity is a multiradio controller in a wireless communication device that also includes the radio modem.

13. The computer program product of claim 12, wherein the operational information is based on scheduling for all radio modems in the wireless communication device.

14. The computer program product of claim 11, wherein the status information corresponding to the at least two radio protocols is received from radio protocol stacks corresponding to each of the at least two radio protocols.

15. The computer program product of claim 14, wherein the status information corresponding to the at least two radio protocols includes information related to at least one of the current status of the dual mode-radio modem, a current message queue for each radio protocol stack and a priority level for the messages pending for each radio protocol stack.

16. The computer program product of claim 11, wherein the status information further includes a priority determination for the at least two radio protocols, wherein the determination of a higher priority radio protocol and a lower priority radio protocol includes obtaining radio protocol priority information from at least one of an application level of the wireless communication device, an operating system level of the wireless communication device, a user-specified configuration in the wireless communication device and the dual-mode radio modem.

17. A radio modem controller, comprising:

a radio modem controller coupled to a radio modem interface, the radio modem interface being part of a radio modem configured to;

receive operational information from a control entity via the radio modem interface for at least one of at least two radio protocols that share access to physical layer resources in a radio modem in the same apparatus as the control entity, the operational information comprising one or more parameters for controlling the at least one of the at least two radio protocols and schedule information including at least one time period during which the radio modem is allowed to communicate;

receive status information directly from the least two radio protocols;

determine priorities for the at least two radio protocols based on the operational information and the status information; and

schedule access to the physical layer resource during the at least one time period for the at least two radio protocols based on the determined priorities, the scheduling comprising reallocating a portion of the at least one time period that is reserved in received schedule information for a higher priority radio protocol to access the physical layer resources that the local controller determines will go unused to at least one lower priority radio protocol.

18. The controller of claim 17, wherein the radio modem controller is integrated into the radio modem interface.

19. A radio modem, comprising:

means for receiving operational information from a control entity in the same apparatus as the radio modem, the operational information being received via a radio modem interface in a controller for at least one of at least two radio protocols that share access to physical layer resources in the radio modem, the operational information comprising one or more parameters for controlling the at least one of the at least two radio protocols and schedule information including at least one time period during which the radio modem is allowed to communicate;

means for receiving status information in the controller directly from the least two radio protocols;

means for determining priorities for the at least two radio protocols based on the operational information and the status information; and

means for scheduling access to the physical layer resource during the at least one time period for the at least two radio protocols based on the determined priorities, the scheduling comprising reallocating a portion of the at least one time period that is reserved in received schedule information for a higher priority radio protocol to access the physical layer resources that the local controller determines will go unused to at least one lower priority radio protocol.

20. A chipset, comprising:

a radio modem controller, the radio modem interface being part of a radio modem configured to;

receive operational information from a control entity via the radio modem interface for at least one of at least two radio protocols that share access to physical layer resources in a radio modem in the same apparatus as the control entity, the operational information comprising one or more parameters for controlling the at least one of the at least two radio protocols and schedule information including at least one time period during which the radio modem is allowed to communicate;

receive status information directly from the least two radio protocols;

determine priorities for the at least two radio protocols based on the operational information and the status information; and

schedule access to the physical layer resource during the at least one time period for the at least two radio protocols based on the determined priorities, the scheduling comprising reallocating a portion of the at least one time period that is reserved in received schedule information for a higher priority radio protocol to access the physical layer resources that the local controller determines will go unused to at least one lower priority radio protocol.