Surface wave repeater with temperature control and methods for use therewith

• US 10,812,143 B2
• Filed: 12/13/2018
• Issued: 10/20/2020
• Est. Priority Date: 12/13/2018
• 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: Vannucci, Giovanni, Gerszberg, Irwin, Willis, III, Thomas M., Henry, Paul Shala, Bennett, Robert, Barnickel, Donald J., Barzegar, Farhad, Farah, Jeffrey
• Primary Examiner(s): Pascal, Robert J
• Assistant Examiner(s): Glenn, Kimberly E
• Application Number:
  US16/219,372
• Publication Number:
  US 20200195302A1
• Time in Patent Office: 677 Days
• Field of Search: 333240
• CPC Class Codes: H01B 11/1895 Particular features or applications
• CPC Class Codes: H01P 1/182 Waveguide phase-shifters H01P1/181, H01P1/185, H01P1/19 take precedence
• CPC Class Codes: H01P 3/10 Wire waveguides, i.e. with a single solid longitudinal conductor
• CPC Class Codes: H01P 3/16 Dielectric waveguides, i.e. without a longitudinal conductor
• CPC Class Codes: H01P 5/085 Coaxial-line/strip-line transitions
• CPC Class Codes: H01P 5/087 Transitions to a dielectric waveguide
• CPC Class Codes: H01P 5/18 consisting of two coupled guides, e.g. directional couplers
• CPC Class Codes: H04B 3/58 Repeater circuits

Abstract

In accordance with one or more embodiments, a surface wave repeater or other surface wave device includes a heating and cooling unit. The heating and cooling unit is configured to control the temperature of the surface wave repeater or other surface wave device.

Claims

1. A surface wave repeater comprising:

a first launcher configured to transmit and receive first guided electromagnetic waves that propagate along a first segment of a transmission medium without requiring an electrical return path, the first guided electromagnetic waves in a first direction conveying first data from a communication network to one or more other surface wave devices and the first guided electromagnetic waves in a second direction conveying second data to the communication network from the one or more other surface wave devices;

a second launcher configured to transmit and receive second guided electromagnetic waves that propagate along a second segment of the transmission medium without requiring the electrical return path, the second guided electromagnetic waves in the first direction conveying the first data from the communication network to the one or more other surface wave devices and the second guided electromagnetic waves in the second direction conveying the second data from the one or more other surface wave devices to the communication network;

a first transceiver configured to;

receive a first microwave signal from the first launcher, wherein the first microwave signal conveys the first data and is generated by the first launcher in response to receiving the first guided electromagnetic waves in the first direction from the first segment of the transmission medium; and

couple a second microwave signal to the first launcher to facilitate transmission of the first guided electromagnetic waves conveying the second data in the second direction on the first segment of the transmission medium;

a second transceiver configured to;

receive the second microwave signal from the second launcher, wherein the second microwave signal is generated by the second launcher in response to receiving the second guided electromagnetic waves in the second direction conveying the second data from the second segment of the transmission medium; and

couple the first microwave signal to the second launcher to facilitate transmission of the second guided electromagnetic waves in the first direction conveying the first data on the second segment of the transmission medium; and

a first heating and cooling unit configured to control a first temperature of the surface wave repeater.

2. The surface wave repeater of claim 1, wherein the first heating and cooling unit includes:

a temperature sensor configured to determine the first temperature;

a controller configured to generate a control signal, based on the first temperature; and

a temperature controller configured to selectively heat and cool the surface wave repeater, based on the control signal.

3. The surface wave repeater of claim 2, wherein the temperature controller includes at least one Peltier cell.

4. The surface wave repeater of claim 2, wherein the controller compares the first temperature to a heating threshold temperature and generates the control signal to include a heating command when the first temperature is below the heating threshold temperature.

5. The surface wave repeater of claim 2, wherein the controller compares the first temperature to a cooling threshold temperature and generates the control signal to include a cooling command when the first temperature is above the cooling threshold temperature.

6. The surface wave repeater of claim 1, further comprising:

a first housing that encloses the first launcher and the first transceiver;

wherein the first heating and cooling unit is coupled to the first housing; and

wherein the first temperature is an internal temperature of the first housing.

7. The surface wave repeater of claim 6, further comprising:

a second housing that encloses the second launcher and the second transceiver; and

a second heating and cooling unit configured to control a second temperature of the surface wave repeater, wherein the second heating and cooling unit is coupled to the second housing; and

wherein the second temperature is an internal temperature of the second housing.

8. The surface wave repeater of claim 1, further comprising:

a first housing that encloses the first launcher, the first transceiver and the second transceiver;

wherein the first heating and cooling unit is coupled to the first housing; and

wherein the first temperature is an internal temperature of the first housing.

9. The surface wave repeater of claim 8, further comprising:

a second housing that encloses the second launcher; and

a second heating and cooling unit configured to control a second temperature of the surface wave repeater, wherein the second heating and cooling unit is coupled to the second housing; and

wherein the second temperature is an internal temperature of the second housing.

10. The surface wave repeater of claim 1, wherein the transmission medium is a medium voltage cable supported by a utility pole via an insulator and wherein the first segment of the transmission medium extends in a first direction from the insulator and the second segment of the transmission medium extends in a second direction from the insulator.

11. A method comprising:

transmitting and receiving, via a first launcher of a surface wave repeater, first guided electromagnetic waves that propagate along a first segment of a transmission medium without requiring an electrical return path, the first guided electromagnetic waves in a first direction conveying first data from a communication network to one or more other surface wave devices and the first guided electromagnetic waves in a second direction conveying second data to the communication network from the one or more other surface wave devices;

transmitting and receiving, via a second launcher of the surface wave repeater, second guided electromagnetic waves that propagate along a second segment of the transmission medium without requiring the electrical return path, the second guided electromagnetic waves in the first direction conveying the first data from the communication network to the one or more other surface wave devices and the second guided electromagnetic waves in the second direction conveying the second data from the one or more other surface wave devices to the communication network;

receiving, via a first transceiver of the surface wave repeater, a first microwave signal from the first launcher, wherein the first microwave signal conveys the first data and is generated by the first launcher in response to receiving the first guided electromagnetic waves in the first direction from the first segment of the transmission medium;

coupling, via a second transceiver of the surface wave repeater, the first microwave signal to the second launcher to facilitate transmission of the second guided electromagnetic waves in the first direction conveying the first data on the second segment of the transmission medium;

receiving, via the second transceiver of the surface wave repeater, a second microwave signal from the second launcher, the second microwave signal conveying the second data, wherein the second microwave signal is generated by the second launcher in response to receiving the second guided electromagnetic waves in the second direction conveying the second data from the second segment of the transmission medium;

coupling, via the first transceiver of the surface wave repeater, the second microwave signal to the first launcher to facilitate transmission of the first guided electromagnetic waves conveying the second data in the second direction on the first segment of the transmission medium; and

controlling, via a first heating and cooling unit, a first temperature of the surface wave repeater.

12. The method of claim 11, wherein the controlling includes:

determining the first temperature;

generating a control signal, based on the first temperature; and

selectively heating and cooling, via a temperature controller, the surface wave repeater, based on the control signal.

13. The method of claim 12, wherein the selectively heating and cooling, via the temperature controller, the surface wave repeater includes:

comparing the first temperature to a heating threshold temperature; and

generating the control signal to include a heating command when the first temperature is below the heating threshold temperature.

14. The method of claim 12, wherein the selectively heating and cooling, via the temperature controller, the surface wave repeater includes:

comparing the first temperature to a cooling threshold temperature; and

generating the control signal to include a cooling command when the first temperature is above the cooling threshold temperature.

15. The method of claim 11, further comprising:

enclosing, via a first housing, the first launcher and the first transceiver;

wherein the first heating and cooling unit is coupled to the first housing; and

wherein the first temperature is associated with the first housing.

16. The method of claim 15, further comprising:

enclosing, via a second housing, the second launcher and the second transceiver; and

controlling, via a second heating and cooling unit, a second temperature of the surface wave repeater, wherein the second heating and cooling unit is coupled to the second housing; and

wherein the second temperature is associated with the second housing.

17. The method of claim 15, wherein the first temperature is an internal temperature of the first housing.

18. The method of claim 11, further comprising:

enclosing, via a first housing, the first launcher, the first transceiver and the second transceiver;

wherein the first heating and cooling unit is coupled to the first housing; and

wherein the first temperature is associated with the first housing.

19. The method of claim 18, further comprising:

enclosing, via a second housing, the second launcher; and

controlling, via a second heating and cooling unit, a second temperature of the surface wave repeater, wherein the second heating and cooling unit is coupled to the second housing; and

wherein the second temperature is associated with the second housing.

20. A method comprising the steps of:

transmitting and receiving, via a first launcher of a surface wave repeater, first guided electromagnetic waves that propagate along a first segment of a transmission medium without requiring an electrical return path, the first guided electromagnetic waves in a first direction conveying first data from a communication network to one or more other surface wave devices and the first guided electromagnetic waves in a second direction conveying second data to the communication network from the one or more other surface wave devices;

transmitting and receiving, via a second launcher of the surface wave repeater, second guided electromagnetic waves that propagate along a second segment of the transmission medium without requiring the electrical return path, the second guided electromagnetic waves in the first direction conveying the first data from the communication network to the one or more other surface wave devices and the second guided electromagnetic waves in the second direction conveying the second data from the one or more other surface wave devices to the communication network;

receiving, via a first transceiver of the surface wave repeater, a first microwave signal from the first launcher, wherein the first microwave signal conveys the first data and is generated by the first launcher in response to receiving the first guided electromagnetic waves in the first direction from the first segment of the transmission medium;

coupling, via a second transceiver of the surface wave repeater, the first microwave signal to the second launcher to facilitate transmission of the second guided electromagnetic waves in the first direction conveying the first data on the second segment of the transmission medium;

receiving, via the second transceiver of the surface wave repeater, a second microwave signal from the second launcher, the second microwave signal conveying the second data, wherein the second microwave signal is generated by the second launcher in response to receiving the second guided electromagnetic waves in the second direction conveying the second data from the second segment of the transmission medium;

coupling, via the first transceiver of the surface wave repeater, the second microwave signal to the first launcher to facilitate transmission of the first guided electromagnetic waves conveying the second data in the second direction on the first segment of the transmission medium; and

controlling, via at least one Peltier cell, a temperature of the surface wave repeater.