Transmitter and receiver

Patent metadata

Field	Value
Publication number	US-9800396-B1
Application number	US-201615389821-A
Country	US
Kind code	B1
Filing date	Dec 23, 2016
Priority date	Dec 16, 2016
Publication date	Oct 24, 2017
Grant date	Oct 24, 2017

Abstract

The present invention relates to a transmitter and a receiver including multiple first and second transceiving units. Each of the first and the second transceiving units includes a first and a second radiation slices and a first and a second transceiving circuits disposed thereon. In the transmitter, the first and the second transceiving units receive first and second internal transmission signals at first and second polarization from the first and the second radiation slices, and transmit first and second external transmission signals generated from transformation through the first and the second radiation slices. In the receiver, the first and the second transceiving units receive first and second external reception signals at first and second polarization through the first and the second radiation slices, and transmit first and second internal reception signals at first and second polarization generated from transformation through the first and the second radiation slices.

First claim

What is claimed is:

1. A transmitter for transmitting at least a first external transmission signal at first polarization and transmitting at least a second external transmission signal at second polarization, the transmitter comprising:
a plurality of first transceiving units, each of the first transceiving units comprising:
a first radiation slice having a first widthwise edge and a first lengthwise edge parallel to a first direction and a third direction, respectively; and
a first transceiving circuit disposed on the first radiation slice, for receiving at least a first internal transmission signal at the first polarization from a first end of the first lengthwise edge, performing first transmitting-transformation of the at least a first internal transmission signal to generate the at least a first external transmission signal, and feeding the at least a first external transmission signal into a second end of the first lengthwise edge; and

a plurality of second transceiving units, each of the second transceiving units comprising:
a second radiation slice having a second widthwise edge and a second lengthwise edge parallel to a second direction and the third direction, respectively; and
a second transceiving circuit disposed on the second radiation slice, for receiving at least a second internal transmission signal at the second polarization from a first end of the second lengthwise edge, performing second transmitting-transformation of the at least a second internal transmission signal to generate the at least a second external transmission signal, and feeding the at least a second external transmission signal into a second end of the second lengthwise edge,

wherein the first polarization and the second polarization are orthogonal to each other, and the first direction, the second direction and the third direction are orthogonal to each other.

2. The transmitter according to claim 1 , wherein the at least a first internal transmission signal and the at least a second internal transmission signal are transmitted from a first feeding antenna.

3. The transmitter according to claim 2 , wherein
a relative distance between the first end of the first lengthwise edge and the first feeding antenna is shorter than a relative distance between the second end of the first lengthwise edge and the first feeding antenna; and
a relative distance between the first end of the second lengthwise edge and the first feeding antenna is shorter than a relative distance between the second end of the second lengthwise edge and the feeding antenna.

4. The transmitter according to claim 1 , wherein the at least a first internal transmission signal is transmitted from a second feeding antenna, and the at least a second internal transmission signal is transmitted from a third feeding antenna.

5. The transmitter according to claim 1 , wherein the at least a first external transmission signal and the at least a second external transmission signal are received by a first receiver device.

6. The transmitter according to claim 5 , wherein
a relative distance between the second end of the first lengthwise edge and the first receiver device is shorter than a relative distance between the first end of the first lengthwise edge and the first receiver device; and
a relative distance between the second end of the second lengthwise edge and the first receiver device is shorter than a relative distance between the first end of the second lengthwise edge and the first receiver device.

7. The transmitter according to claim 1 , wherein the at least a first external transmission signal is received by a second receiver device, and the at least a second external transmission signal is received by a third receiver device.

8. The transmitter according to claim 1 , wherein the first transceiving circuit comprises:
a first first phase feeding path electrically connected to the first radiation slice, for receiving the at least a first internal transmission signal from the first end of the first lengthwise edge to generate a first first phase transmission signal;
a first second phase feeding path electrically connected to the first radiation slice, for receiving the at least a first internal transmission signal from the first end of the first lengthwise edge to generate a first second phase transmission signal, wherein the first first phase transmission signal and the first second phase transmission signal are opposite signals;
a first phase switch electrically connected to the first first phase feeding path and the first second phase feeding path;
a first phase shifter electrically connected to the first phase switch, for receiving one of the first first phase transmission signal and the first second phase transmission signal through the first phase switch and providing a phase shift to the one of the phase transmission signals to generate a first shifted transmission signal, wherein the at least a first external transmission signal is generated by adjusting strength of the first shifted transmission signal.

9. The transmitter according to claim 1 , wherein the second transceiving circuit comprises:
a second first phase feeding path electrically connected to the second radiation slice, for receiving the at least a second internal transmission signal from the first end of the second lengthwise edge to generate a second first phase transmission signal;
a second second phase feeding path electrically connected to the second radiation slice, for receiving the at least a second internal transmission signal from the first end of the second lengthwise edge to generate a second second phase transmission signal, wherein the second first phase transmission signal and the second second phase transmission signal are opposite signals;
a second phase switch electrically connected to the second first phase feeding path and the second second phase feeding path;
a second phase shifter electrically connected to the second phase switch, for receiving one of the second first phase transmission signal and the second second phase transmission signal through the second phase switch and providing a phase shift to the one of the phase transmission signals to generate a second shifted transmission signal, wherein the at least a second external transmission signal is generated by adjusting strength of the second shifted transmission signal.

10. The transmitter according to claim 1 , wherein the first radiation slice and the second radiation slice are made of a conductive material, and each of the first end of the first lengthwise edge of the first radiation slice, the second end of the first lengthwise edge of the first radiation slice, the first end of the second lengthwise edge of the second radiation slice and the second end of the second lengthwise edge of the second radiation slice has a tapered slot antenna structure.

11. The transmitter according to claim 1 , wherein length of the first lengthwise edge is equal to length of the second lengthwise edge, and length of the first widthwise edge is equal to length of the second widthwise edge.

12. The transmitter according to claim 1 , wherein the first lengthwise edge of the first radiation slice is connected to the second lengthwise edge of the second radiation slice, and the first radiation slice is orthogonal to the second radiation slice.

13. The transmitter according to claim 1 , wherein the first transceiving units and the second transceiving units form a grid structure having M columns and N rows at a plane, wherein a row direction of the grid structure is parallel to the first direction and a column direction of the grid structure is parallel to the second dire

Assignees

• Ind Tech Res Inst

Inventors

• Kuo Fang-Yao
• Chiang Che-Yang
• Yen Shih-Chieh
• Chen Wen-Chiang

Classifications

• H01Q1/22

  by structural association with other equipment or articles · CPC title

• H04L5/1423 Primary

  for simultaneous baseband signals · CPC title

• H01Q21/0018

  Space- fed arrays · CPC title

• H04B1/38 Primary

  Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving · CPC title

• H01Q21/24

  Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction {(circularly polarised patch antennas H01Q9/0428; circularly polarised horns H01Q13/0241; cross-polarised horns H01Q13/0258; polarisation converters H01Q15/242; cross-polarised rear feeds H01Q19/136; crossed polarisation dual antenna H01Q25/001)} · CPC title