Surface wave repeater and methods for use therewith

• US 10,812,144 B1
• Filed: 12/03/2019
• Issued: 10/20/2020
• Est. Priority Date: 12/03/2019
• Status: Active Grant

• Current Assignee: AT&T Intellectual Property I LP (AT&T, Inc.)
• Original Assignee: AT&T Intellectual Property I LP (AT&T, Inc.)
• Inventors: Henry, Paul Shala, Vannucci, Giovanni, Gerszberg, Irwin, Wolniansky, Peter, Bennett, Robert, Willis, III, Thomas M., Barnickel, Donald J., Barzegar, Farhad
• Primary Examiner(s): Joseph, Jaison
• Application Number:
  US16/701,667
• Time in Patent Office: 322 Days
• CPC Class Codes: H04B 2203/5445 Local network
• CPC Class Codes: H04B 2203/5479 using repeaters
• CPC Class Codes: H04B 3/52 Systems for transmission between fixed stations via waveguides
• CPC Class Codes: H04B 3/542 the information being in digital form
• CPC Class Codes: H04B 3/58 Repeater circuits

Abstract

Aspects of the subject disclosure may include, a receiver that operates by: receiving via a first launcher first received guided electromagnetic waves that propagate on an outer surface of a first transmission medium without requiring an electrical return path, wherein the first transmission medium has a first type of a plurality of types of transmission media; converting the received first guided electromagnetic waves to a first signal; launching, via a second launcher and based on the first signal, transmitted second guided electromagnetic waves that propagate on an outer surface of a second transmission medium without requiring an electrical return path, wherein the second transmission medium has a second type of the plurality of types of transmission media that differs from the first type.

Claims

1. A repeater comprising:

a first surface wave repeater section having a first launcher configured to launch transmitted first guided electromagnetic waves that propagate on an outer surface of a first transmission medium without requiring an electrical return path and to receive first received guided electromagnetic waves that propagate on the outer surface of the first transmission medium without requiring an electrical return path, wherein the first transmission medium has a first type of a plurality of types of transmission media, wherein the first surface wave repeater section is further configured to;

convert the received first guided electromagnetic waves to a first signal; and

wherein the first launcher launches the transmitted first guided electromagnetic waves based on a second signal; and

a second surface wave repeater section having a second launcher configured to launch transmitted second guided electromagnetic waves that propagate on an outer surface of a second transmission medium without requiring an electrical return path and to receive second received guided electromagnetic waves that propagate on the outer surface of the second transmission medium without requiring an electrical return path, wherein the second transmission medium has a second type of the plurality of types of transmission media that differs from the first type;

wherein the first surface wave repeater section is further configured to receive the second signal from the second surface wave repeater section; and

wherein the second surface wave repeater section is further configured to;

convert the received second guided electromagnetic waves to the second signal;

couple the second signal to the first surface wave repeater section;

receive the first signal from the first surface wave repeater section; and

wherein the second launcher launches the transmitted second guided electromagnetic waves based on the first signal.

2. The repeater of claim 1, wherein the plurality of types of transmission media include:

an insulated medium voltage power line, an uninsulated medium voltage power line, an insulated low voltage power line, an uninsulated low voltage power line, a cable television cable, an underground cable, a telephone cable, or a telephone cable messenger wire.

3. The repeater of claim 1, wherein the first surface wave repeater section includes a first housing, supported by the first transmission medium, configured to support the first launcher, wherein the second surface wave repeater section includes a second housing, coupled to the second transmission medium, configured to support the second launcher, and wherein the repeater further comprises:

a cable that couples the first signal from the first surface wave repeater section to the second surface wave repeater section and that couples the second signal from the second surface wave repeater section to the first surface wave repeater section.

4. The repeater of claim 1, wherein the first surface wave repeater section and the second surface wave repeater section are both analog surface wave repeater sections.

5. The repeater of claim 1 wherein the first surface wave repeater section and the second surface wave repeater section collectively implement a surface wave add/drop multiplexer pair.

6. The repeater of claim 1 wherein the first surface wave repeater section and the second surface wave repeater section collectively implement a digital surface wave regenerator pair.

7. The repeater of claim 1, wherein the first signal and the second signal are each formatted in accordance with a Multimedia Over Coax alliance protocol.

8. The repeater of claim 1, wherein the first signal has a first frequency spectrum and the second signal has a second frequency spectrum and wherein the first frequency spectrum and the second frequency spectrum do not overlap and each are within a range of 500 MHz and 10 GHz.

9. The repeater of claim 1, wherein the first signal and the second signal are each microwave signals.

10. The repeater of claim 1, wherein the received first guided electromagnetic waves and the first signal are in a first frequency range and the received second guided electromagnetic waves and the second signal are in a second frequency range, wherein the first surface wave repeater section is further configured to convert the second signal to the first frequency range to launch, via the first launcher, the transmitted first guided electromagnetic waves and wherein the second surface wave repeater section is further configured to convert the first signal to the second frequency range to launch, via the second launcher, the transmitted second guided electromagnetic waves.

11. The repeater of claim 1, wherein the received first guided electromagnetic waves and the first signal are in a first frequency range and the received second guided electromagnetic waves and the second signal are in a second frequency range, wherein the first surface wave repeater section includes a first transceiver configured to receive the first signal in response to the received first guided electromagnetic waves, and further configured to convert the second signal to the first frequency range to launch, via the first launcher, the transmitted first guided electromagnetic waves and wherein the second surface wave repeater section includes a second transceiver configured to receive the second signal in response to the received second guided electromagnetic waves, and further configured to convert the first signal to the second frequency range to launch, via the second launcher, the transmitted second guided electromagnetic waves.

12. The repeater of claim 1, wherein the transmitted first guided electromagnetic waves and the first signal are in a first frequency range and the transmitted second guided electromagnetic waves and the second signal are in a second frequency range, wherein the first surface wave repeater section is further configured to convert the second signal to the first frequency range to launch, via the first launcher, the transmitted first guided electromagnetic waves and wherein the first surface wave repeater section is further configured to convert the first signal to the first frequency range to launch, via the second launcher, the transmitted second guided electromagnetic waves.

13. The repeater of claim 1, wherein the transmitted first guided electromagnetic waves and the first signal are in a first frequency range and the transmitted second guided electromagnetic waves and the second signal are in a second frequency range, wherein the first surface wave repeater section further includes a first transceiver configured to receive the first signal in response to the first guided electromagnetic waves, and further configured to convert the second signal to the first frequency range to launch, via the first launcher, the transmitted first guided electromagnetic waves and wherein the first surface wave repeater section further includes a second transceiver configured to receive the second signal in response to the received second guided electromagnetic waves, and further configured to convert the first signal to the second frequency range to launch, via the second launcher, the transmitted second guided electromagnetic waves.

14. The repeater of claim 1, wherein the repeater further comprises:

a third surface wave repeater section having a third launcher configured to launch transmitted third guided electromagnetic waves that propagate on an outer surface of a third transmission medium without requiring an electrical return path and to receive third received guided electromagnetic waves that propagate on the outer surface of the third transmission medium without requiring an electrical return path, wherein the third transmission medium and the second transmission medium are differing ones of a plurality of types of transmission medium,

wherein the first surface wave repeater section is further configured to couple the first signal to the third surface wave repeater section;

15. The repeater of claim 14

wherein the third surface wave repeater section is further configured to:

convert the received third guided electromagnetic waves to a third signal;

couple the third signal to the first surface wave repeater section; and

receive the first signal from the first surface wave repeater section;

16. The repeater of claim 15,

wherein the third launcher launches the transmitted third guided electromagnetic waves based on the first signal.

17. The repeater of claim 1, wherein the received first guided electromagnetic waves propagate on the outer surface of the first transmission medium via a first wave mode and the transmitted second guided electromagnetic waves propagate on the outer surface of the second transmission medium via a second wave mode that differs from the first wave mode.

18. The repeater of claim 17, wherein the first wave mode is a fundamental wave mode and the second wave mode is a non-fundamental wave mode.

19. A method comprising:

receiving via a first launcher received first guided electromagnetic waves that propagate on an outer surface of a first transmission medium without requiring an electrical return path, wherein the first transmission medium has a first type of a plurality of types of transmission media;

converting the received first guided electromagnetic waves to a first signal;

launching, via a second launcher and based on the first signal, transmitted second guided electromagnetic waves that propagate on an outer surface of a second transmission medium without requiring an electrical return path, wherein the second transmission medium has a second type of the plurality of types of transmission media that differs from the first type;

receiving, via the second launcher, received second guided electromagnetic waves that propagate on the outer surface of the second transmission medium without requiring an electrical return path;

converting the received second guided electromagnetic waves to a second signal; and

launching, via the first launcher and based on the second signal, transmitted first guided electromagnetic waves that propagate on the outer surface of the first transmission medium without requiring an electrical return path.

20. A repeater comprising:

means for receiving received first guided electromagnetic waves that propagate on an outer surface of a first transmission medium without requiring an electrical return path, wherein the first transmission medium has a first type of a plurality of types of transmission media;

means for converting the received first guided electromagnetic waves to a first signal;

means for launching, based on the first signal, transmitted second guided electromagnetic waves that propagate on an outer surface of a second transmission medium without requiring an electrical return path, wherein the second transmission medium has a second type of the plurality of types of transmission media that differs from the first type;

means for receiving received second guided electromagnetic waves that propagate on the outer surface of the second transmission medium without requiring an electrical return path;

means for converting the received second guided electromagnetic waves to a second signal; and

means for launching, based on the second signal, transmitted first guided electromagnetic waves that propagate on the outer surface of the first transmission medium without requiring an electrical return path.