Surface wave communication system and methods for use therewith

• US 10,340,979 B1
• Filed: 03/26/2018
• Issued: 07/02/2019
• Est. Priority Date: 03/26/2018
• 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: Barzegar, Farhad, Gerszberg, Irwin, Willis, III, Thomas M., Henry, Paul Shala, Bennett, Robert, Barnickel, Donald J., Vannucci, Giovanni
• Primary Examiner(s): Fotakis, Aristocratis
• Application Number:
  US15/935,390
• Time in Patent Office: 463 Days
• CPC Class Codes: H01P 3/16 Dielectric waveguides, i.e. without a longitudinal conductor
• CPC Class Codes: H01Q 1/46 Electric supply lines or communication lines
• CPC Class Codes: H01Q 13/02 Waveguide horns
• CPC Class Codes: H04B 2203/5404 Methods of transmitting or receiving signals via power distribution lines
• CPC Class Codes: H04B 2203/5441 Wireless systems or telephone
• CPC Class Codes: H04B 2203/5479 using repeaters
• CPC Class Codes: H04B 2203/5483 using coupling circuits
• CPC Class Codes: H04B 3/46 Monitoring; Testing
• CPC Class Codes: H04B 3/54 Systems for transmission via power distribution lines
• CPC Class Codes: H04B 3/542 the information being in digital form
• CPC Class Codes: H04B 3/56 Circuits for coupling, blocking, or by-passing of signals
• CPC Class Codes: H04B 3/58 Repeater circuits

Abstract

In accordance with the present disclosure, a communication network includes a surface wave transceiver, mounted on a medium voltage power line, configured to bidirectionally communicate wireless network data via guided electromagnetic waves that propagate along a surface of the medium voltage power line. A plurality of analog surface wave repeater pairs, a plurality of digital surface wave regenerator pairs, are mounted on the medium voltage power line. A plurality of access points, supported by corresponding ones of a plurality of utility poles that also support the medium voltage power line, is configured to wirelessly transmit the wireless network data to a plurality of client devices in accordance with a wireless network protocol and to wirelessly receive client data from the plurality of client devices in accordance with the wireless network protocol. A plurality of surface wave add/drop multiplexer pairs, is also mounted on the medium voltage power line.

Claims

1. A communication network comprising:

a surface wave transceiver, mounted on a medium voltage power line, configured to bidirectionally communicate wireless network data via guided electromagnetic waves that propagate along a surface of the medium voltage power line;

a plurality of analog surface wave repeater pairs, mounted on the medium voltage power line, configured to bidirectionally receive and amplify the guided electromagnetic waves that propagate along the surface of the medium voltage power line;

a plurality of digital surface wave regenerator pairs, mounted on the medium voltage power line, configured to receive the guided electromagnetic waves that propagate along the surface of the medium voltage power line, to digitally regenerate the wireless network data and to relaunch the guided electromagnetic waves with the wireless network data;

a plurality of access points, supported by corresponding ones of a plurality of utility poles that also support the medium voltage power line, configured to wirelessly transmit the wireless network data to a plurality of client devices in accordance with a wireless network protocol and to wirelessly receive client data from the plurality of client devices in accordance with the wireless network protocol; and

a plurality of surface wave add/drop multiplexer pairs, mounted on the medium voltage power line, wherein the plurality of surface wave add/drop multiplexer pairs is configured to receive the guided electromagnetic waves that propagate along the surface of the medium voltage power line, to digitally regenerate the wireless network data, to drop the wireless network data to the plurality of access points, to receive the client data from the plurality of access points, to add the client data to the wireless network data, and to relaunch the guided electromagnetic waves with the wireless network data.

2. The communication network of claim 1, wherein the guided electromagnetic waves are formatted to convey the wireless network data via a point-to-multipoint communication protocol.

3. The communication network of claim 2, wherein the point-to-multipoint communication protocol is a Multimedia over Coax Alliance protocol.

4. The communication network of claim 1, wherein the guided electromagnetic waves are formatted to convey the wireless network data via a Multimedia over Coax Alliance protocol in two or more spectral segments each having 1 Gbps throughput.

5. The communication network of claim 1, wherein the guided electromagnetic waves propagate via a fundamental transverse magnetic mode at frequencies less than 6 GHz.

6. The communication network of claim 1, wherein the surface wave transceiver is inductively powered by the medium voltage power line.

7. The communication network of claim 1, wherein the plurality of analog surface wave repeater pairs is inductively powered by the medium voltage power line.

8. The communication network of claim 1, wherein the plurality of digital surface wave regenerator pairs is inductively powered by the medium voltage power line.

9. The communication network of claim 1, wherein the plurality of surface wave add/drop multiplexer pairs is inductively powered by the medium voltage power line.

10. The communication network of claim 1, wherein the plurality of access points is powered by a low voltage line supported by the plurality of utility poles that also support the medium voltage power line.

11. The communication network of claim 1, wherein each of the plurality of analog surface wave repeater pairs include a coupling that bridges an insulator of one of the plurality of utility poles that also support the medium voltage power line.

12. The communication network of claim 1, wherein each of the plurality of digital surface wave regenerator pairs include a coupling that bridges an insulator of one of the plurality of utility poles that also support the medium voltage power line.

13. The communication network of claim 1, wherein each of the plurality of surface wave add/drop multiplexer pairs include a coupling that bridges an insulator of one of the plurality of utility poles that also support the medium voltage power line.

14. A method comprising:

bidirectionally communicating, via a surface wave transceiver mounted on a medium voltage power line, wireless network data via guided electromagnetic waves that propagate along a surface of the medium voltage power line;

bidirectionally receiving, via a plurality of analog surface wave repeater pairs mounted on the medium voltage power line, the guided electromagnetic waves that propagate along the surface of the medium voltage power line;

bidirectionally amplifying, via the plurality of analog surface wave repeater pairs mounted on the medium voltage power line, the guided electromagnetic waves that propagate along the surface of the medium voltage power line;

receiving, via a plurality of digital surface wave regenerator pairs mounted on the medium voltage power line, the guided electromagnetic waves that propagate along the surface of the medium voltage power line;

digitally regenerating, via the plurality of digital surface wave regenerator pairs mounted on the medium voltage power line, the wireless network data;

relaunching, via the plurality of digital surface wave regenerator pairs mounted on the medium voltage power line, the guided electromagnetic waves with the wireless network data;

wirelessly transmitting, via a plurality of access points supported by corresponding ones of a plurality of utility poles that also support the medium voltage power line, the wireless network data to a plurality of client devices in accordance with a wireless network protocol;

wirelessly receiving, via the plurality of access points supported by corresponding ones of the plurality of utility poles that also support the medium voltage power line, client data from the plurality of client devices in accordance with the wireless network protocol;

receiving, via a plurality of surface wave add/drop multiplexer pairs mounted on the medium voltage power line, the guided electromagnetic waves that propagate along the surface of the medium voltage power line;

digitally regenerating, via the plurality of surface wave add/drop multiplexer pairs mounted on the medium voltage power line, the wireless network data;

dropping, via the plurality of surface wave add/drop multiplexer pairs mounted on the medium voltage power line, the wireless network data to the plurality of access points;

receiving, via the plurality of surface wave add/drop multiplexer pairs mounted on the medium voltage power line, the client data from the plurality of access points;

adding, via the plurality of surface wave add/drop multiplexer pairs mounted on the medium voltage power line, the client data to the wireless network data; and

relaunching, via the plurality of surface wave add/drop multiplexer pairs mounted on the medium voltage power line, the guided electromagnetic waves with the wireless network data.

15. The method of claim 14, wherein the guided electromagnetic waves are formatted to convey the wireless network data via a point-to-multipoint communication protocol.

16. The method of claim 15, wherein the point-to-multipoint communication protocol is a Multimedia over Coax Alliance protocol.

17. The method of claim 14, wherein the guided electromagnetic waves are formatted to convey the wireless network data via a Multimedia over Coax Alliance protocol in two or more spectral segments each having 1 Gbps throughput.

18. The method of claim 14, wherein the guided electromagnetic waves propagate via a fundamental transverse magnetic mode at frequencies less than 6 GHz.

19. The method of claim 14, further comprising:

inductively powering by the medium voltage power line;

the surface wave transceiver, the plurality of analog surface wave repeater pairs, the plurality of digital surface wave regenerator pairs, and the plurality of surface wave add/drop multiplexer pairs.

20. A communication network comprising:

a surface wave transceiver, mounted on a medium voltage power line, configured to bidirectionally communicate wireless network data via guided electromagnetic waves that propagate along a surface of the medium voltage power line;

an analog surface wave repeater pair, mounted on the medium voltage power line, configured to bidirectionally receive and amplify the guided electromagnetic waves that propagate along the surface of the medium voltage power line;

a digital surface wave regenerator pair, mounted on the medium voltage power line, configured to receive the guided electromagnetic waves that propagate along the surface of the medium voltage power line, to digitally regenerate the wireless network data and to relaunch the guided electromagnetic waves with the wireless network data;

an access point, supported by a utility pole that also supports the medium voltage power line, configured to wirelessly transmit the wireless network data in accordance with a wireless network protocol to a plurality of client devices and to wirelessly receive client data from the plurality of client devices in accordance with the wireless network protocol; and

a surface wave add/drop multiplexer pair, mounted on the medium voltage power line, wherein the surface wave add/drop multiplexer pair is configured to receive the guided electromagnetic waves that propagate along the surface of the medium voltage power line, to digitally regenerate the wireless network data, to drop the wireless network data to the access point, to receive the client data from the access point, to add the client data to the wireless network data, and to relaunch the guided electromagnetic waves with the wireless network data.