Dispersion compensation for waveguide communication channels

Patent metadata

Field	Value
Publication number	US-10404499-B2
Application number	US-201615388564-A
Country	US
Kind code	B2
Filing date	Dec 22, 2016
Priority date	Dec 22, 2016
Publication date	Sep 3, 2019
Grant date	Sep 3, 2019

Abstract

Embodiments of the present disclosure may relate to a transmitter that includes a baseband dispersion compensator to perform baseband dispersion compensation on an input signal. Embodiments may also include a receiver that includes a radio frequency (RF) dispersion compensator to perform RF dispersion compensation. Embodiments may also include a dielectric waveguide coupled with the transmitter and the receiver, the dielectric waveguide to convey the RF signal from the transmitter to the receiver. Other embodiments may be described and/or claimed.

First claim

We claim:

1. An apparatus comprising:
a transmitter that includes:
a first baseband dispersion compensator to perform baseband dispersion compensation on a first input signal at a baseband frequency domain to generate a first compensated baseband signal, wherein to perform baseband dispersion compensation on the first input signal includes to apply pre-distortion to compensate non-linear channel characteristics of a dielectric waveguide for the first input signal;
a second baseband dispersion compensator to perform baseband dispersion compensation on a second input signal at a baseband frequency domain to generate a second compensated baseband signal, wherein to perform baseband dispersion compensation on the second input signal includes to apply pre-distortion to compensate non-linear channel characteristics of the dielectric waveguide for the second input signal, to separate the non-linear channel characteristics of the dielectric waveguide for the second input signal from the non-linear channel characteristics of the dielectric waveguide for the first input signal; and
an upconverter to upconvert the first compensated baseband signal from the baseband frequency domain to a first radio frequency (RF) signal in a first RF range of an RF frequency domain, and to upconvert the second compensated baseband signal to a second RF signal in a second RF range of the RF frequency domain, wherein the first RF range is higher than the second RF range, and the first RF signal has less delay in the dielectric waveguide than the second RF signal;

a receiver that includes:
a first RF dispersion compensator to perform RF dispersion compensation on the first RF signal to generate a first RF dispersion compensated signal, wherein the first RF dispersion compensator includes a slow-wave structure to reduce velocity of the first RF signal;
a second RF dispersion compensator to perform RF dispersion compensation on the second RF signal to generate a second RF dispersion compensated signal, wherein velocity of the second RF signal is free from being reduced by a slow-wave structure; and
a downconverter to downconvert the first and the second RF dispersion compensated signals from the RF frequency domain to the baseband frequency domain to generate first and second recovered baseband signals, respectively; and

the dielectric waveguide coupled with the transmitter and the receiver to convey the first and the second RF signals from the transmitter to the receiver.

2. The apparatus of claim 1 , wherein the RF frequency domain is between approximately 30 gigahertz (GHz) and approximately 900 GHz.

3. The apparatus of claim 2 , wherein the RF frequency domain is between approximately 90 GHz and approximately 300 GHz.

4. The apparatus of claim 1 , wherein the dielectric waveguide includes a solid dielectric material.

5. The apparatus of claim 1 , wherein the baseband frequency domain is between approximately 1 megahertz (MHz) and approximately 50 gigahertz (50 GHz).

6. The apparatus of claim 1 , wherein the receiver further includes a demultiplexer to demultiplex a RF signal received from the transmitter into the first RF signal at the first RF range and the second RF signal at the second RF range.

7. The apparatus of claim 6 , wherein the first RF dispersion compensator is to perform dispersion compensation on the first RF signal, and the second RF dispersion compensator does not perform dispersion compensation on the second RF signal.

8. The apparatus of claim 1 , wherein the baseband dispersion compensation or the RF dispersion compensation are further based on a channel response of the dielectric waveguide.

9. The apparatus of claim 1 , wherein the baseband dispersion compensation includes pulse shaping or pre-distortion.

10. The apparatus of claim 1 , wherein the RF dispersion compensation includes analog filtering.

11. The apparatus of claim 1 , wherein the receiver further includes a third baseband dispersion compensator to perform baseband dispersion compensation on the first and second recovered baseband signals.

12. The apparatus of claim 11 , wherein the third baseband dispersion compensator is to perform equalization on the first and second recovered baseband signals.

13. A transmitter to transmit radio frequency (RF) signals in an RF frequency domain that is between approximately 30 gigahertz (GHz) and approximately 300 GHz to a receiver via a dielectric waveguide, the transmitter comprising:
a first baseband dispersion compensator to perform baseband dispersion compensation on a first input signal at a baseband frequency domain to generate a first compensated baseband signal, wherein to perform baseband dispersion compensation on the first input signal includes to apply pre-distortion to compensate non-linear channel characteristics of the dielectric waveguide for the first input signal;
a second baseband dispersion compensator to perform baseband dispersion compensation on a second input signal at a baseband frequency domain to generate a second compensated baseband signal, wherein to perform baseband dispersion compensation on the second input signal includes to apply pre-distortion to compensate non-linear channel characteristics of the dielectric waveguide for the second input signal, to separate the non-linear channel characteristics of the dielectric waveguide for the second input signal from the non-linear channel characteristics of the dielectric waveguide for the first input signal; and
an upconverter to upconvert the first compensated baseband signal from the baseband frequency domain to a first RF signal in a first RF range of the RF frequency domain between approximately 30 gigahertz (GHz) and approximately 300 GHz to be transmitted via the dielectric waveguide; and to upconvert the second compensated baseband signal to a second RF signal in a second RF range of the RF frequency domain between approximately 30 gigahertz (GHz) and approximately 300 GHz, wherein the first RF range is higher than the second RF range, and the first RF signal has less delay in the dielectric waveguide than the second RF signal.

14. The transmitter of claim 13 , wherein the dielectric waveguide includes a solid dielectric material.

15. The transmitter of claim 13 , wherein the baseband frequency domain is between approximately 1 megahertz (MHz) and approximately 50 gigahertz (GHz).

16. The transmitter of claim 13 , wherein the baseband dispersion compensation is further based on a channel response of the dielectric waveguide.

17. The transmitter of claim 13 , wherein the baseband dispersion compensation includes pulse shaping or pre-distortion.

18. A receiver to receive, from a dielectric waveguide, radio frequency (RF) signals in an RF frequency domain between approximately 30 gigahertz (GHz) and approximately 300 GHz, wherein the receiver comprises:
a first RF dispersion compensator to perform RF dispersion compensation on a first RF signal received from the dielectric waveguide to generate a first RF dispersion compensated signal, wherein the first RF dispersion compensator includes a slow-wave structure to reduce velocity of the first RF signal;
a second RF dispersion compensator to perform RF dispersion compensation on a second RF signal received from the dielectric waveguide to generate a second RF dispersion compensated signal, wherein the first RF signal has less delay in the dielectric waveguide than the second RF signal, and velocity of the second RF signal is free from being reduced by a slow-wave structure; and
a downconverter to downconvert the first and the second R

Assignees

• Intel Corp

Inventors

• Dogiamis Georgios C
• Cohen Emanuel
• Oster Sasha N
• Kamgaing Telesphor

Classifications

• H04L25/03343

  Arrangements at the transmitter end · CPC title

• H04J1/08

  Arrangements for combining channels {(branching filters H01P1/213, H03H7/46)} · CPC title

• H04B10/90

  Non-optical transmission systems, e.g. transmission systems employing non-photonic corpuscular radiation · CPC title

• H04L25/03834 Primary

  using pulse shaping · CPC title