Single Cable Antenna Module for Laptop Computer and Mobile Devices

• US 20090316612A1
• Filed: 04/28/2009
• Published: 12/24/2009
• Est. Priority Date: 05/06/2008
• Status: Abandoned Application

• Current Assignee: Hollinworth Fund L.L.C. (Intellectual Ventures LLC)
• Original Assignee: Rayspan Corporation
• Inventors: Bartsch, Ryan Robert, Dodd, Angela Mae, Achour, Maha, Gummalla, Ajay, Poilasne, Gregory, Pathak, Vaneet
• Application Number:
  US12/431,689
• Publication Number:
  US 20090316612A1
• Time in Patent Office: Days
• US Class Current: 370/297
• CPC Class Codes: H01P 1/213 combining or separating two or more different frequencies H01P1/215 takes precedence
• CPC Class Codes: H01Q 1/2266 disposed inside the computer
• CPC Class Codes: H01Q 1/38 formed by a conductive layer on an insulating support patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142
• CPC Class Codes: H01Q 5/357 using a single feed point
• CPC Class Codes: H01Q 5/378 Combination of fed elements with parasitic elements
• CPC Class Codes: H01Q 9/42 with folded element, the folded parts being spaced apart a small fraction of the operating wavelength

Abstract

Implementations and examples of wireless communication systems based on multi-frequency antennas each operating at different frequency bands for wireless communications, including multi-frequency antennas based on metamaterial structures.

Claims

1. A wireless communication system, comprising:

a first peripheral component interface (PCI) card for wireless communications in a first radio frequency (RF) frequency band;

a second PCI card for wireless communications in a second RF frequency band different from the first RF frequency band;

an antenna structured to operate at the first and second RF frequency bands;

a signal router coupled between the antenna and the first and second PCI cards to direct a communication signal from the antenna in the first RF frequency band to the first PCI card and a communication signal from the antenna in the second RF frequency band to the second PCI card, and to direct a communication signal from the first PCI card in the first RF frequency band to the antenna and a communication signal from the second PCI card in the second RF frequency band to the antenna; and

a single cable connected between the antenna and signal router to transmit communication signals in both the first and second RF frequency bands between the antenna and the signal router.

2. The system as in claim 1, wherein:

the antenna includes a composite left and right handed metamaterial structure.

3. The system as in claim 1, wherein:

the signal router includes a metamaterial structure.

4. The system as in claim 1, wherein:

the first PCT card is a wireless local area network (WLAN) PCI card and the second PCI card is a wireless wide area network (WWAN) PCI card.

5. The system as in claim 1, wherein:

the signal router is a diplexer operating at the first and second RF frequency bands.

6. The system as in claim 1, comprising:

a second antenna structured to operate at the first and second RF frequency bands;

a second signal router coupled between the second antenna and the first and second PCI cards to direct a communication signal from the second antenna in the first RF frequency band to the first PCI card and a communication signal from the second antenna in the second RF frequency band to the second PCI card; and

a second single cable connected between the second antenna and the signal router to transmit communication signals in both the first and second RF frequency bands between the antenna and the signal router.

7. The system as in claim 6, comprising:

a first cable connected between the signal router and the first PCI card to transmit communication signals between the signal router and the first PCI card;

a second cable connected between the signal router and the second PCI card to transmit communication signals between the signal router and the second PCI card;

a third cable connected between the second signal router and the first PCI card to transmit communication signals between the second signal router and the first PCI card; and

a fourth cable connected between the second signal router and the second PCI card to transmit communication signals between the second signal router and the second PCI card.

8. The system as in claim 6, comprising:

a third PCI card for wireless communications in a third RF frequency band different from the first and second RF frequency bands;

wherein the first and second antennas are structured to operate in the third RF frequency band, the signal router directs a communication signal from the antenna in the third RF frequency band to the third PCI card and to direct a communication signal from the third PCI card in the third RF frequency band to the antenna, and the second signal router directs a communication signal from the second antenna in the third RF frequency band to the third PCI card.

9. The system as in claim 1, wherein:

the signal router, the second signal router, the first PCI card and the second PCI card are integrated into an integrated circuit device that are connected to the antenna via the single cable and the second antenna via the second single cable.

10. The system as in claim 1, wherein:

the antenna is a metamaterial antenna comprising;

a substrate;

an antenna metallization layer formed on the substrate and patterned to include;

a conductive cell patch,

a conductive ground patch separated from the conductive cell patch connected to provide electrical ground for the metamaterial antenna,

a conductive meander line that connects the conductive cell patch and the conductive ground patch,

a conductive middle patch spaced from the conductive cell patch by a gap and capacitively coupled to the conductive cell patch through the gap,

a spiral conductive patch spaced from the conductive middle patch by a gap and capacitively coupled to the conductive middle patch through the gap, an inner conductive line connected to the spiral conductive patch; and

an outer conductive meander line having a first end connected to the spiral conductive patch and a second end connected to the conductive middle patch, the outer conductive meander line having a meander line portion that surrounds at least a portion of the inner conductive line.

11. The system as in claim 10, wherein:

the single cable is connected to the conductive middle patch to direct a communication signal to the antenna or receive a communication signal from the antenna.

12. The system as in claim 1, wherein:

the antenna is a metamaterial antenna comprising;

a substrate;

a first metallization layer formed on a first side of the substrate and patterned to include first metamaterial antenna elements;

a second metallization layer formed on a second side of the substrate opposing the first side and patterned to include second metamaterial antenna elements; and

a conductive via in the substrate to connect one of the first metamaterial antenna elements to one of the second metamaterial antenna elements,

wherein the first and second metamaterial antenna elements collectively to provide antenna operations at the first and second RF frequency bands.

13. An antenna system, which is configured to be coupled to first and second peripheral component interface (PCI) cards in a computer, comprising:

an antenna;

first, second, and third cables; and

a diplexer;

wherein the first cable couples the antenna and the diplexer, the second cable couples the diplexer and the first PCI card, and the third cable couples the diplexer and the second PCI card.

14. The antenna system as in claim 13, wherein the antenna comprises a metamaterial.

15. The antenna system as in claim 14, wherein the antenna is a single layer universal antenna structured to support multiple resonance frequencies.

16. The antenna system as in claim 14, wherein the antenna is a multi layer universal antenna structured to support multiple resonance frequencies.

17. The antenna system as in claim 13, wherein the diplexer comprises a metamaterial.

18. An antenna system, which is configured to be coupled to three or more peripheral component interface (PCI) cards in a computer, comprising:

an antenna;

a switchplexer;

a main cable coupling the antenna and the switchplexer; and

three or more secondary cables, each coupling the switchplexer and each of the three or more PCI cards,

wherein the antenna operates for three or more frequency ranges corresponding to applications associated with the three or more PCI cards, respectively, and the three or more secondary cables carry signals for the three or more frequency ranges, respectively.

19. The antenna system as in claim 18, wherein the antenna comprises a metamaterial.

20. The antenna system as in claim 19, wherein the antenna is a single layer universal antenna structured to support multiple resonance frequencies.

21. The antenna system as in claim 19, wherein the antenna is a multi layer universal antenna structured to support multiple resonance frequencies.

22. The antenna system as in claim 18, wherein the switchplexer comprises a metamaterial.

23. An antenna system, which is configured to be coupled to a peripheral component interface (PCI) wherein wireless wide area network (WWAN) and wireless local area network (WLAN) functions are integrated, comprising:

an antenna that operates for a first frequency range associated with WLAN applications and a second frequency range associated with WWAN applications;

a cable; and

a diplexer;

wherein the cable couples the antenna and the diplexer, which is integrated in the PCI.

24. The antenna system as in claim 23, wherein the antenna comprises a metamaterial.

25. The antenna system as in claim 24, wherein the antenna is a single layer universal antenna structured to support multiple resonance frequencies.

26. The antenna system as in claim 24, wherein the antenna is a multi layer universal antenna structured to support multiple resonance frequencies.

27. The antenna system as in claim 23, wherein the diplexer comprises a metamaterial.