Method and system for transmit power control techniques to reduce mutual interference between coexistent wireless networks device

• US 20070224936A1
• Filed: 03/23/2006
• Published: 09/27/2007
• Est. Priority Date: 03/23/2006
• Status: Active Grant

• Current Assignee: Avago Technologies International Sales Pte Limited (Broadcom, Inc.)
• Original Assignee: Broadcom Corporation (Broadcom, Inc.)
• Inventors: Desai, Prasanna
• Granted Patent: US 8,693,950 B2
• Time in Patent Office: Days
• US Class Current: 455/41.200
• CPC Class Codes: H04W 52/242 taking into account path loss
• CPC Class Codes: H04W 52/243 taking into account interferences
• CPC Class Codes: H04W 72/1215 for collaboration of different radio technologies
• 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

Aspects of a method and system for transmit power control techniques to reduce mutual interference between coexistent wireless networks are provided. A coexistence terminal comprising a WLAN radio and a Bluetooth radio operating as a master device may transmit signals to one or more remote controllers comprising a slave Bluetooth radio to increase transmission power when the isolation between the coexistence terminal'"'"'s WLAN and Bluetooth radios is below a threshold. Link manager protocol (LMP) signals may be utilized for changing the transmission power. When the isolation increases above the threshold, signals may be generated to reduce the remote controllers'"'"' transmission power. In some instances, in addition to increasing the transmission power of remote controllers, the transmission power of the Bluetooth radio or the WLAN radio may be reduced. The reduced Bluetooth or WLAN radio transmission power may be increased when the radio isolation in the coexistence terminal increases.

Claims

1. A method for providing wireless communication, the method comprising generating within a coexistence terminal comprising a WLAN radio and a Bluetooth radio, at least one signal that causes at least one of:

the Bluetooth radio of said coexistence terminal and a remote Bluetooth radio to adjust its transmit power when communicating with each other based on measured isolation between the WLAN radio of said coexistence terminal and the Bluetooth radio of said coexistence terminal.

2. The method according to claim 1, further comprising configuring the Bluetooth radio of said coexistence terminal to operate as a master Bluetooth device and wherein said remote Bluetooth radio is configured a slave Bluetooth device.

3. The method according to claim 1, wherein said generated at least one signal causes said remote Bluetooth radio to increase its transmit power when said measured isolation is less than an isolation threshold.

4. The method according to claim 1, wherein said generated at least one signal causes said remote Bluetooth radio to decrease its transmit power when said measured isolation is greater than or equal to an isolation threshold.

5. The method according to claim 1, wherein said generated at least one signal causes the Bluetooth radio of said coexistence terminal to decrease its transmit power when said measured isolation is less than an isolation threshold.

6. The method according to claim 1, wherein said generated at least one signal causes the Bluetooth radio of said coexistence terminal to increase its transmit power when said measured isolation is greater than or equal to an isolation threshold.

7. The method according to claim 1, wherein said generated at least one signal causes the WLAN radio of said coexistence terminal to decrease its transmit power when said measured isolation is less than an isolation threshold.

8. The method according to claim 1, wherein said generated at least one signal causes the WLAN radio of said coexistence terminal to increase its transmit power when said measured isolation is greater than or equal to an isolation threshold.

9. The method according to claim 1, wherein said at least one signal is a link manager protocol (LMP) signal.

10. A machine-readable storage having stored thereon, a computer program having at least one code section for providing wireless communication, the at least one code section being executable by a machine for causing the machine to perform steps comprising generating within a coexistence terminal comprising a WLAN radio and a Bluetooth radio, at least one signal that causes at least one of:

the Bluetooth radio of said coexistence terminal and a remote Bluetooth radio to adjust its transmit power when communicating with each other based on measured isolation between the WLAN radio of said coexistence terminal and the Bluetooth radio of said coexistence terminal.

11. The machine-readable storage according to claim 10, further comprising code for configuring the Bluetooth radio of said coexistence terminal to operate as a master Bluetooth device and wherein said remote Bluetooth radio is configured a slave Bluetooth device.

12. The machine-readable storage according to claim 10, wherein said generated at least one signal causes said remote Bluetooth radio to increase its transmit power when said measured isolation is less than an isolation threshold.

13. The machine-readable storage according to claim 10, wherein said generated at least one signal causes said remote Bluetooth radio to decrease its transmit power when said measured isolation is greater than or equal to an isolation threshold.

14. The machine-readable storage according to claim 10, wherein said generated at least one signal causes the Bluetooth radio of said coexistence terminal to decrease its transmit power when said measured isolation is less than an isolation threshold.

15. The machine-readable storage according to claim 10, wherein said generated at least one signal causes the Bluetooth radio of said coexistence terminal to increase its transmit power when said measured isolation is greater than or equal to an isolation threshold.

16. The machine-readable storage according to claim 10, wherein said generated at least one signal causes the WLAN radio of said coexistence terminal to decrease its transmit power when said measured isolation is less than an isolation threshold.

17. The machine-readable storage according to claim 10, wherein said generated at least one signal causes the WLAN radio of said coexistence terminal to increase its transmit power when said measured isolation is greater than or equal to an isolation threshold.

18. The machine-readable storage according to claim 10, wherein said at least one signal is a link manager protocol (LMP) signal.

19. A system for providing wireless communication, the system comprising:

a coexistence terminal comprising a WLAN radio and a Bluetooth radio; and

said coexistence terminal enables generating at least one signal that causes at least one of;

the Bluetooth radio of said coexistence terminal and a remote Bluetooth radio to adjust its transmit power when communicating with each other based on measured isolation between the WLAN radio of said coexistence terminal and the Bluetooth radio of said coexistence terminal.

20. The system according to claim 19, wherein said coexistence terminal enables configuring the Bluetooth radio of said coexistence terminal to operate as a master Bluetooth device and wherein said remote Bluetooth radio is configured a slave Bluetooth device.

21. The system according to claim 19, wherein said generated at least one signal causes said remote Bluetooth radio to increase its transmit power when said measured isolation is less than an isolation threshold.

22. The system according to claim 19, wherein said generated at least one signal causes said remote Bluetooth radio to decrease its transmit power when said measured isolation is greater than or equal to an isolation threshold.

23. The system according to claim 19, wherein said generated at least one signal causes the Bluetooth radio of said coexistence terminal to decrease its transmit power when said measured isolation is less than an isolation threshold.

24. The system according to claim 19, wherein said generated at least one signal causes the Bluetooth radio of said coexistence terminal to increase its transmit power when said measured isolation is greater than or equal to an isolation threshold.

25. The system according to claim 19, wherein said generated at least one signal causes the WLAN radio of said coexistence terminal to decrease its transmit power when said measured isolation is less than an isolation threshold.

26. The system according to claim 19, wherein said generated at least one signal causes the WLAN radio of said coexistence terminal to increase its transmit power when said measured isolation is greater than or equal to an isolation threshold.

27. The system according to claim 19, wherein said at least one signal is a link manager protocol (LMP) signal.