Method and apparatus for providing a radio module for a computer system

• US 6,801,755 B2
• Filed: 03/29/2001
• Issued: 10/05/2004
• Est. Priority Date: 03/29/2001
• Status: Active Grant

• Current Assignee: Intel Corporation
• Original Assignee: Intol Corporation
• Inventors: Kardach, James P., Schiffer, Jeffrey L.
• Primary Examiner(s): Appiah, Charles
• Assistant Examiner(s): Ly, Nghi H.
• Application Number:
  US09/821,346
• Publication Number:
  US 20030013412A1
• Time in Patent Office: 1,286 Days
• Field of Search: 455/556.1, 455/557, 455/41.2, 455/418, 455/559, 455/74.1, 343/702, 343/700.R, 343/725, 343/873, 375/222
• US Class Current: 455/41.2
• CPC Class Codes: G06F 1/1616 with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position

Abstract

A radio module that meets FCC Limited Modular Approval including a wireless transceiver and a low-level baseband controller. Only a portion of the baseband associated with a wireless communication protocol is contained within the controller. The remainder of the baseband may be contained within a host computer system to which the module may be coupled such that, for one embodiment, the module may be selectively operated in accordance with one of multiple wireless communication protocols.

Claims

1. A component to be coupled to a host computer system, the component comprising:

a wireless transceiver; and

a low-level baseband controller having logic associated with only a portion, but not all, of a baseband to operate the transceiver in accordance with a wireless communication protocol, the portion of the baseband being sufficient to enable the component to achieve Limited Modular Approval by the Federal Communications Commission.

2. The component of claim 1, further comprising buffered, externally accessible input-output ports for interconnection to the host computer system.

3. The component of claim 2, further comprising a flexible cable coupled to the electrical input-output ports.

4. The component of claim 1, wherein a remainder of the baseband not integrated into the component is to be integrated within the host computer system.

5. The component of claim 1, wherein the component is to be operated in accordance with a plurality of wireless communication protocols that share at least a segment of the portion of the base band.

6. The component of claim 1, wherein the component is to be operated in accordance with one of a plurality of wireless communication protocols selected by the host computer system.

7. The component of claim 6, wherein the plurality of wireless communication protocols includes Bluetooth, SWAP, and IEEE 802.11.

8. The component of claim 6, wherein the portion of the baseband includes a link management protocol.

9. The component of claim 8, wherein the portion of the link management protocol is in accordance with a Bluetooth wireless communication specification.

10. The component of claim 1, further comprising a reference oscillator, antenna, RF shielding, and a power supply regulator.

11. A method comprising:

providing a mobile, uniprocessor computer system with a high-level baseband controller to determine one of a plurality of wireless communication protocols in accordance with which to wirelessly communicate;

coupling a radio module to the computer system, the radio module including a low-level baseband controller and a transceiver to enable wireless communication in accordance with the plurality of wireless communication protocols, the module meeting Limited Modular Approval by the Federal Communications Commission; and

enabling the computer system to operate the radio module in accordance with the one of the plurality of wireless communication protocols by installing an appropriate software program on a machine-accessible medium coupled to the host computer system.

12. The method of claim 11, wherein providing the computer system with the high-level baseband controller includes incorporating a chipset into the computer system that includes the high-level baseband controller.

13. The method of claim 11, wherein providing the computer system with the high-level baseband controller includes incorporating a keyboard controller into the computer system that includes the high-level baseband controller.

14. The method of claim 11, wherein coupling the radio module to the computer system includes coupling input-output buffers of the radio module to the computer system via a flexible cable that enables the radio module to be located in a lid of the computer system.

15. A method comprising:

enabling a computer system to operate a radio module in accordance with a first wireless communication protocol during a first period of time, the radio module including a transceiver and a low-level baseband controller, the low level baseband controller having logic associated with only a second portion, but not all, of baseband processing to operate the transceiver in accordance with a wireless communication protocol, the second portion of the baseband processing being sufficient to enable the radio module to achieve Limited Modular Approval by the Federal Communications Commission independent of the computer system; and

enabling the computer system to operate the radio module in accordance with a second wireless communication protocol during a second period of time.

16. The method of claim 15, wherein said enabling the computer system to operate the radio module includes enabling signals to be transmitted between the computer system and the radio module via a flexible cable coupled to a motherboard of the computer system at a first end and coupled to the radio module affixed to a lid of the computer system at a second end.

17. The method of claim 15, wherein said enabling the computer system to operate the radio module in accordance with the first wireless communication protocol includes enabling a first portion of the baseband processing associated with the first wireless communication protocol to be performed by the computer system and enabling the second portion of the baseband processing associated with the first wireless communication protocol to be performed by the radio module.

18. The method of claim 17, wherein the first wireless communication protocol is a Bluetooth protocol, and the second portion of the baseband processing is in accordance with the Bluetooth link management protocol.

19. The method of claim 18, wherein the second wireless communication protocol is an IEEE 802.11 or SWAP protocol.

20. The method of claim 17, wherein said enabling the first portion of the baseband processing associated with the first wireless communication protocol to be performed by the computer system includes equipping the computer system with a chipset having an integrated baseband controller.

21. The method of claim 15, wherein said enabling the computer system to operate the radio module in accordance with the second wireless communication protocol includes equipping the computer system with a keyboard controller having an integrated baseband controller to perform the first portion of the baseband processing associated with the second wireless communication protocol, and enabling the second portion of the baseband processing associated with the second wireless communication protocol to be performed by the radio module.

22. A mobile, uniprocessor computer system programmed to implement the method of claim 15.

23. A machine-accessible medium including machine-accessible instructions that, when executed by a computer system, cause the computer system to perform the method of claim 15.

24. The medium of claim 23, further comprising machine-accessible instructions that, when executed by the computer system, cause the computer system to further perform the method of claim 17.

25. The medium of claim 23, further comprising machine-accessible instructions that, when executed by the computer system, cause the computer system to further perform the method of claim 19.

26. A mobile, uniprocessor computer system comprising:

a radio module including buffered input-output ports, a low-level baseband controller, and a transceiver to enable wireless communication in accordance with a plurality of wireless communication protocols, the module meeting Limited Modular Approval by the Federal Communications Commission;

a high-level baseband controller coupled to the input-output ports of the radio module to operate the radio module in accordance with a selected one of the plurality of wireless communication protocols.

27. The computer system of claim 26, further comprising a flexible cable coupled to the high-level baseband controller at a first end and coupled to the ports of the radio module at a second end.

28. The computer system of claim 27, further comprising a hinged lid into which the radio module is affixed, the flexible cable extending through a hinge between the radio module and the high-level baseband controller.

29. The computer system of claim 26, further comprising a chipset, the high-level baseband controller being incorporated into the chipset.

30. The computer system of claim 26, further comprising a keyboard controller, the high-level baseband controller being incorporated into the keyboard controller.

31. The computer system of claim 26, wherein the plurality of wireless communication protocols includes Bluetooth, SWAP, and IEEE 802.11.

32. The computer system of claim 26, wherein the low-level baseband controller includes a baseband portion associated with a link management protocol.

33. A system, comprising:

a processor;

a wireless transceiver coupled to the processor; and

a low-level baseband controller coupled to the wireless transceiver and having logic associated with only a first portion, but not all, of a baseband to operate the wireless transceiver in accordance with one of a plurality of wireless communication protocols, the first portion of the baseband being sufficient to enable the component to achieve Limited Modular Approval by the Federal Communications Commission.

34. The system of claim 33, wherein the plurality of wireless communication protocols includes Bluetooth, SWAP, and IEEE 802.11.

35. The system of claim 33, wherein the first portion of the baseband includes a link management protocol.

36. The system of claim 33, wherein a second portion of the baseband is to be integrated within the system.

37. A method, comprising:

coupling a wireless transceiver with a low-level baseband controller in a system, the low-level baseband controller associated with only a first portion, but not all, of a baseband to operate the wireless transceiver in accordance with one of a plurality of wireless communication protocols, the first portion of the baseband being sufficient to enable the component to achieve Limited Modular Approval by the Federal Communications Commission.

38. The method of claim 37, further comprising:

integrating a high-level baseband controller within the system, the high-level baseband controller including a second portion of the baseband.

39. The method of claim 38, wherein said integrating includes integrating the high-level baseband controller into a chipset within the system.

40. A computer readable medium containing executable instructions which, when executed in a processing system, causes the processing system to perform a method comprising:

coupling a wireless transceiver with a low-level baseband controller in a system, the low-level baseband controller associated with only a first portion, but not all, of a baseband to operate the wireless transceiver in accordance with one of a plurality of wireless communication protocols, the first portion of the baseband being sufficient to enable the component to achieve Limited Modular Approval by the Federal Communications Commission.

41. The computer readable medium of claim 40, further comprising:

integrating a high-level baseband controller within the system, the high-level baseband controller including a second portion of the baseband.

42. The computer readable medium of claim 41, wherein said integrating includes integrating the high-level baseband controller into an embedded controller within the system.