Terminal with Programmable Antenna and Methods for use Therewith

• US 20090149136A1
• Filed: 12/05/2007
• Published: 06/11/2009
• Est. Priority Date: 12/05/2007
• Status: Abandoned Application

• Current Assignee: Avago Technologies General IP PTE Limited (Broadcom, Inc.)
• Original Assignee: Broadcom Corporation (Broadcom, Inc.)
• Inventors: Rofougaran, Ahmadreza Reza
• Application Number:
  US11/950,501
• Publication Number:
  US 20090149136A1
• Time in Patent Office: Days
• US Class Current: 455/77
• CPC Class Codes: H03H 7/38 Impedance-matching networks
• CPC Class Codes: H04B 1/0458 Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages matching circuits in general H03H

Abstract

A terminal device includes a transceiver. A programmable antenna is adjustable in response to a control signal and a frequency selection signal to a selected antenna parameter and a selected frequency parameter.

Claims

1. A terminal device comprising:

a transceiver;

a programmable antenna, coupled to the transceiver, that is adjustable in response to a control signal and a frequency selection signal to a selected antenna parameter and a selected frequency parameter, wherein the selected antenna parameter includes at least one of, a selected impedance, a selected bandwidth, a selected frequency response, a selected quality factor, and a selected transfer function, and wherein the selected frequency parameter includes at least one of, a selected frequency, and a selected frequency band.

2. The terminal device of claim 1 wherein the programmable antenna includes:

a fixed antenna element;

a programmable antenna element, coupled to the fixed antenna element, that is tunable in response to at least one antenna control signal;

a programmable impedance matching network, coupled to the programmable antenna element, that includes a plurality of adjustable reactive network elements that are tunable in response in response to a corresponding plurality of matching network control signals; and

a control module, coupled to the programmable antenna element and the programmable impedance matching network, that generates the at least one antenna control signal and the plurality of matching network control signals, in response to a frequency selection signal and the control signal.

3. The terminal device of claim 1 wherein the terminal device includes at least one of, a base station, a mini base station, an RFID reader and an access point.

4. The terminal device of claim 1 wherein the transceiver operates in accordance with at least one of, a wireless local area network protocol, and a personal area network protocol.

5. The terminal device of claim 1 wherein the transceiver includes a multi-input multi-output transceiver and wherein the terminal device comprises:

at least one additional programmable antenna, coupled to the transceiver, that is adjustable in response to the control signal and the frequency selection.

6. A terminal device comprising:

a transceiver;

a programmable antenna, coupled to the transceiver, that is adjustable in response to a control signal and a frequency selection signal to a selected antenna parameter and a selected frequency parameter.

7. The terminal device of claim 6 wherein the selected antenna parameter includes at least one of, a selected impedance, a selected bandwidth, a selected frequency response, a selected quality factor, and a selected transfer function.

8. The terminal device of claim 6 wherein the selected frequency parameter includes at least one of, a selected frequency, and a selected frequency band.

9. The terminal device of claim 6 wherein the programmable antenna includes:

a fixed antenna element;

a programmable antenna element, coupled to the fixed antenna element, that is tunable in response to at least one antenna control signal;

a programmable impedance matching network, coupled to the programmable antenna element, that includes a plurality of adjustable reactive network elements that are tunable in response in response to a corresponding plurality of matching network control signals; and

a control module, coupled to the programmable antenna element and the programmable impedance matching network, that generates the at least one antenna control signal and the plurality of matching network control signals, in response to a frequency selection signal and the control signal.

10. The terminal device of claim 6 wherein the terminal device includes at least one of, a base station, a mini base station, an RFID reader and an access point.

11. The terminal device of claim 6 wherein the transceiver operates in accordance with at least one of, a wireless local area network protocol, and a personal area network protocol.

12. The terminal device of claim 6 wherein the transceiver includes a multi-input multi-output transceiver and wherein the terminal device comprises:

at least one additional programmable antenna, coupled to the transceiver, that is adjustable in response to the control signal and the frequency selection.

13. A method for use in a terminal device, the method comprising:

receiving a control signal and a frequency selection signal;

adjusting a programmable antenna in response to the control signal and the frequency selection signal to a selected antenna parameter and a selected frequency parameter.

14. The method of claim 13 wherein the selected antenna parameter includes at least one of, a selected impedance, a selected bandwidth, a selected frequency response, a selected quality factor, and a selected transfer function.

15. The method of claim 13 wherein the selected frequency parameter includes at least one of, a selected frequency, and a selected frequency band.

16. The method of claim 13 wherein adjusting the programmable antenna includes:

generating at least one matching network signal based on the control signal and the frequency selection signal; and

tuning a programmable impedance matching network in response to the at least one matching network control signal.

17. The method of claim 13 wherein adjusting the programmable antenna includes:

generating at least one antenna control signal based on the control signal and the frequency selection signal; and

tuning a programmable antenna element in response to the at least one antenna control signal.

18. The method of claim 13 wherein the terminal device includes at least one of, a base station, a mini base station, an RFID reader and an access point.

19. The method of claim 13 wherein the terminal device operates in accordance with at least one of, a wireless local area network protocol, and a personal area network protocol.

20. The method of claim 13 wherein the terminal device includes a multi-input multi-output transceiver.