Techniques for antenna retuning utilizing receive power information

• US 20080268803A1
• Filed: 04/25/2007
• Published: 10/30/2008
• Est. Priority Date: 04/25/2007
• Status: Abandoned Application

• Current Assignee: Paratek Microwave Incorporated (Blackberry Limited)
• Original Assignee: Paratek Microwave Incorporated (Blackberry Limited)
• Inventors: Blin, Guillaume
• Application Number:
  US11/789,751
• Publication Number:
  US 20080268803A1
• Time in Patent Office: Days
• US Class Current: 455/193.1
• CPC Class Codes: H04B 17/318 Received signal strength

Abstract

An embodiment of the present invention provides a method, comprising using a received signal strength indicator (RSSI) to acquire information about received power in a receiver and using the received power information to tune an antenna tuner connected to the receiver.

Claims

2. The apparatus of claim 1, wherein said received power is measured by a base band received signal strength indicator (RSSI).

3. The apparatus of claim 2, wherein said receiver further comprises variable gain amplifier (VGA) in communication with a baseband controller via a RSSI.

4. The apparatus of claim 3, further comprising a coupler coupling said receiver with said antenna tuner and provided sensed input power information.

5. The apparatus of claim 4, wherein said receiver further comprises a low noise amplifier receiving signals from said antenna tuner via said coupler and passing amplified signals to said variable gain amplifier (VGA).

6. The apparatus of claim 5, wherein said RSSI provides said controller with RF input measurement and said coupler senses input power.

7-1. The apparatus of claim 1, wherein said antenna tuner is tuned by using voltage tunable dielectric capacitors.

8. The apparatus of claim 2, wherein said receiver further comprises a low noise amplifier receiving signals from an antenna tuner and passing amplified signals to a variable gain amplifier (VGA) which outputs an RSSI to a processor and a micro-controller which outputs to an application specific programmable integrated (ASPIC) circuit controlling said antenna tuner to enable antenna tuning.

9. The method of claim 8, further comprising using a variable gain amplifier (VGA) in communication with a baseband controller via a RSSI.

10. The method of claim 9, further comprising using a coupler coupling said receiver with said antenna tuner to sensed input power information.

11. The method of claim 10, further comprising using a low noise amplifier which receives signals from said antenna tuner via said coupler and passes amplified signals to said variable gain amplifier (VGA).

12. The method of claim 11, wherein said RSSI provides said controller with RF input measurement and said coupler senses input power.

13. The method of claim 9, further comprising said receiver using a low noise amplifier to receive signals from an antenna tuner and passing amplified signals to a variable gain amplifier (VGA) which outputs an RSSI to a processor, said processor communicating with an application specific programmable integrated (ASPIC) circuit controlling said antenna tuner to enable antenna tuning.

14. The method of claim 9, further comprising said receiver using a low noise amplifier to receive signals from an antenna tuner and passing amplified signals to a variable gain amplifier (VGA) which outputs an RSSI to a processor and a micro-controller which outputs to an application specific programmable integrated (ASPCIC) circuit controlling said antenna tuner to enable antenna tuning.

16. The machine-accessible medium of claim 13, further comprising said instructions causing said machine to perform operations further comprising using a variable gain amplifier (VGA) in communication with a baseband controller via a RSSI.

17. The machine-accessible medium of claim 14, further comprising said instructions causing said machine to perform operations further comprising using a coupler coupling said receiver with said antenna tuner to sensed input power information.

19. The machine-accessible medium of claim 16, wherein said RSSI provides said controller with RF input measurement and said coupler senses input power.

8-2. A method, comprising:

using a received signal strength indicator (RSSI) to acquire information about received power in a receiver; and

using said received power information to tune an antenna tuner connected to said receiver.

15. A machine-accessible medium that provides instructions, which when accessed, cause a machine to perform operations comprising:

using a received signal strength indicator (RSSI) to acquire information about received power in a receiver; and

using said received power information to tune an antenna tuner connected to said receiver.

18. The machine-accessible medium of claim 15, further comprising said instructions causing said machine to perform operations further comprising using a low noise amplifier which receives signals from said antenna tuner via said coupler and passes amplified signals to said variable gain amplifier (VGA).

20. The machine-accessible medium of claim. 15, further comprising said instructions causing said machine to perform operations further comprising said receiver using a low noise amplifier to receive signals from an antenna tuner and passing amplified signals to a variable gain amplifier (VGA) which outputs an RSSI to a processor, said processor communicating with an application specific programmable integrated (ASPIC) circuit controlling said antenna tuner to enable antenna tuning.

21. The machine-accessible medium of claim 15, further comprising said instructions causing said machine to perform operations further comprising said receiver using a low noise amplifier to receive signals from an antenna tuner and passing amplified signals to a variable gain amplifier (VGA) which outputs an RSSI to a processor and a micro-controller which outputs to an application specific programmable integrated (ASPIC) circuit controlling said antenna tuner to enable antenna tuning.