Wireless communication device supporting multiple regulatory domains

• US 20040214539A1
• Filed: 04/24/2003
• Published: 10/28/2004
• Est. Priority Date: 04/24/2003
• Status: Abandoned Application

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: Webb, John P., Cox, William G., Rajamani, Krishnan, Pontarelli, Mark C.
• Application Number:
  US10/422,431
• Publication Number:
  US 20040214539A1
• Time in Patent Office: Days
• US Class Current: 455/161.1
• CPC Class Codes: H04W 48/18 Selecting a network or a communication service
• CPC Class Codes: H04W 48/20 Selecting an access point
• CPC Class Codes: H04W 88/02 Terminal devices
• CPC Class Codes: H04W 88/06 adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Abstract

Briefly, in accordance with one embodiment of the invention, a network interface card or the like for a wireless local area network may include a non-volatile memory in which a table of parameters for operation in one or several countries may be stored. The table may specify how the network interface card is to perform in multiple countries or regulatory domains so that the network interface card may adapt to operate in multiple countries, thereby allowing a network interface card manufacturer or vendor to use a single stock keeping unit for the network interface card in one or more countries.

Claims

1. An apparatus, comprising:

a baseband processor to communicate via a radio; and

a memory to couple to said baseband processor, said memory to store information to allow said baseband processor to communicate via the radio in one or more regulatory domains.

2. An apparatus as claimed in claim 1, said memory comprising a non-volatile memory.

3. An apparatus as claimed in claim 1, said memory comprising at least one of an electrically erasable programmable read-only memory and a flash memory.

4. An apparatus as claimed in claim 1, said baseband processor capable of communicating via one or more modulation schemes.

5. An apparatus as claimed in claim 1, wherein the information to allow said baseband processor to communicate via the radio in one or more regulatory domain is contained in a table stored in said memory.

6. An apparatus as claimed in claim 1, wherein the information to allow said baseband processor to communicate via the radio in one or more regulatory domains is capable to allow a single stock keeping unit for the apparatus to be used for the one or more regulatory domains.

7. An apparatus, comprising:

a baseband processor to communicate via a radio;

a microstrip antenna to couple to the radio; and

a memory to couple to said baseband processor, said memory to store information to allow said baseband processor to communicate via the radio in one or more regulatory domains.

8. An apparatus as claimed in claim 7, said memory comprising a non-volatile memory.

9. An apparatus as claimed in claim 7, said memory comprising at least one of an electrically erasable programmable read-only memory and a flash memory.

10. An apparatus as claimed in claim 7, said baseband processor capable of communicating via two or more modulation schemes.

11. An apparatus as claimed in claim 7, wherein the information to allow a host device to cause said baseband processor to communicate via the radio in one or more regulatory domain is contained in a table stored in said memory.

12. An apparatus as claimed in claim 7, wherein the information to allow said baseband processor to communicate via the radio in one or more regulatory domains is capable to allow a single stock keeping unit for a host device to be used for the one or more regulatory domains.

13. A method, comprising:

scanning using a passive scan of a predetermined number of channels at a predetermined power level; and

in the event country information is received during the passive scan, scanning using one or more probe requests on channels and at a power level as provided by the country information.

14. A method as claimed in claim 13, further comprising determining whether an access point supports a first wireless standard, and in the event the access point supports the first wireless standard, recording the channel number transmitted from the access point, and continuing said scanning.

15. A method as claimed in claim 13, further comprising determining whether an access point supports a first wireless standard, and in the event the access point does not support the first wireless standard, recording the channel number corresponding to a presently tuned frequency in accordance with a second wireless standard, and continuing said scanning.

16. A method as claimed in claim 13, further comprising connecting to an access point and communicating with the access point at a power level as determined by the country information in the event country information is received, otherwise communicating with the access point at the predetermined power level.

17. An article comprising a storage medium having stored thereon instructions that, when executed by a computing platform, result in communication with an access point in one or more regulatory domains by:

scanning using a passive scan of a predetermined number of channels at a predetermined power level; and

in the event country information is received during the passive scan, scanning using one or more probe requests on channels and at a power level as provided by the country information.

18. An article as claimed in claim 17, wherein the instructions, when executed, further result in communication with an access point in one or more regulatory domains by determining whether an access point supports a first wireless standard, and in the event the access point supports the first wireless standard, recording the channel number transmitted from the access point, and continuing said scanning.

19. An article as claimed in claim 17, wherein the instructions, when executed, further result in communication with an access point in one or more regulatory domains by determining whether an access point supports a first wireless standard, and in the event the access point does not support the first wireless standard, recording the channel number corresponding to a presently tuned frequency in accordance with a second wireless standard, and continuing said scanning.

20. An article as claimed in claim 17, wherein the instructions, when executed, further result in communication with an access point in one or more regulatory domains by connecting to an access point and communicating with the access point at a power level as determined by the country information in the event country information is received, otherwise communicating with the access point at the predetermined power level.

21. An apparatus, comprising:

a baseband processor to communicate via a radio; and

a memory to couple to said baseband processor, said memory to store information to allow said baseband processor to communicate via the radio in one or more regulatory domains;

wherein the information includes a channel set common to the one or more regulatory domains, and a power level setting common to the one or more regulatory domains.

22. An apparatus as claimed in claim 21, wherein the channel set is a higher common denominator channel set for the one or more regulatory domains.

23. An apparatus as claimed in claim 21, wherein the power level is a lower common denominator power level for the one or more regulatory domains.

24. An apparatus as claimed in claim 21, wherein the baseband processor is capable to perform an active scan on the common channel set stored in said memory.

25. An apparatus as claimed in claim 21, wherein the baseband processor is capable to communicate with in a independent base services set mode using the common channel set stored in said memory.

26. A method, comprising:

performing a passive scan on a first set of channels stored in a memory;

identifying channels of the first set of channels on which an access point is broadcasting; and

performing an active scan on a second set of channels stored in the memory and on channels identified in said identifying.

27. A method as claimed in claim 26, further comprising adding the channels identified in said identifying to the second set of channels stored in the memory.

28. A method as claimed in claim 26, wherein said performing an active scan includes transmitting one or more probe requests.

29. A method as claimed in claim 26, wherein said first set of channels is a higher common denominator channel set for one or more regulatory domains.

30. A method as claimed in claim 26, wherein said second channel set is a higher common denominator channel set for one or more regulatory domains.