Transmitting device and receiving device

• US 9,966,670 B1
• Filed: 12/27/2016
• Issued: 05/08/2018
• Est. Priority Date: 12/27/2016
• Status: Active Grant

• Current Assignee: Industrial Technology Research Institute
• Original Assignee: Industrial Technology Research Institute
• Inventors: Kuo, Fang-Yao, Chiang, Che-Yang, Yen, Shih-Chieh, Chen, Wen-Chiang
• Primary Examiner(s): Mancuso, Huedung
• Application Number:
  US15/391,493
• Time in Patent Office: 497 Days
• Field of Search: 343770
• CPC Class Codes: H01Q 13/085 Slot-line radiating ends
• CPC Class Codes: H01Q 13/10 Resonant slot antennas
• CPC Class Codes: H01Q 21/0018 Space- fed arrays
• CPC Class Codes: H01Q 21/0025 Modular arrays
• CPC Class Codes: H01Q 21/064 using horn or slot aerials slotted waveguides arrays H01Q21/005
• CPC Class Codes: H01Q 21/205 providing an omnidirectional coverage turnstile aerials H01Q21/26
• CPC Class Codes: H01Q 21/30 Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
• CPC Class Codes: H01Q 3/30 varying the relative phase between the radiating elements of an array H01Q3/2605, H01Q3/2658, H01Q3/2682, H01Q3/44 take precedence

Abstract

The present invention relates to a transmitting device and a receiving device. The transmitting device includes a controller, at least a feeding antenna and a plurality of transceiving modules. The controller generates a plurality of set of module control signals; the feeding antenna radiately transmits at least an internal transmission signal. Each transceiving module includes a plurality of transceiving units, and each transceiving unit includes a radiation slice and a transceiving circuit. A lengthwise edge of the radiation slice has a first end and a second end, and the first end and the second end of the lengthwise edge are toward an inner lateral side and an outer lateral side, respectively. The transceiving module performs transmission operation or reflection operation according to the module control signals.

Claims

1. A transmitting device, comprising:

at least a feeding antenna for radiately transmitting at least an internal transmission signal;

a controller electrically connected to the at least a feeding antenna, for generating a plurality of first module control signals and a plurality of second module control signals, and feeding the at least an internal transmission signal into the at least a feeding antenna;

a first transceiving module electrically connected to the controller, for performing first transmission operation in response to the first module control signals, wherein the first transceiving module comprises;

a first inner lateral side;

a first outer lateral side parallel to the first inner lateral side wherein a distance between the first inner lateral side and the at least a feeding antenna is shorter than a distance between the first outer lateral side and the at least a feeding antenna; and

a plurality of first transceiving units, each of the first transceiving units comprising;

a first radiation slice having a first lengthwise edge, wherein a first end and a second end of the first lengthwise edge are toward the first inner lateral side and the first outer lateral side, respectively, and the first radiation slice radiately receives the at least an internal transmission signal at the first end of the first lengthwise edge; and

a first transceiving circuit disposed on the first radiation slice and electrically connected to the controller, wherein the first transceiving circuit receives the at least an internal transmission signal from the first radiation slice, generates a first external transmission signal according to the at least an internal transmission signal and radiately transmits the first external transmission signal through the second end of the first lengthwise edge of the first radiation slice; and

a second transceiving module electrically connected to the controller, for performing one of second transmission operation and reflection operation in response to the second module control signals, wherein the second transceiving module comprises;

a second inner lateral side;

a second outer lateral side parallel to the second inner lateral side wherein a distance between the second inner lateral side and the at least a feeding antenna is shorter than a distance between the second outer lateral side and the at least a feeding antenna; and

a plurality of second transceiving units, each of the second transceiving units comprising;

a second radiation slice having a second lengthwise edge equal in length to the first lengthwise edge, wherein a first end and a second end of the second lengthwise edge are toward the second inner lateral side and the second outer lateral side, respectively, and the second radiation slice radiately receives the at least an internal transmission signal at the first end of the second lengthwise edge; and

a second transceiving circuit disposed on the second radiation slice and electrically connected to the controller, for receiving the at least an internal transmission signal from the second radiation slice.

2. The transmitting device according to claim 1, wherein

when the second transceiving module performs the second transmission operation,

the second transceiving circuit performs transmitting-transformation of the at least an internal transmission signal to generate a second external transmission signal, and the second radiation slice radiately transmits the second external transmission signal at the second end of the second lengthwise edge;

and

when the second transceiving module performs the reflection operation,

the second transceiving circuit generates a reflection output signal according to the at least an internal transmission signal, and the second radiation slice radiately transmits the reflection output signal at the first end of the second lengthwise edge.

3. The transmitting device according to claim 2, wherein when the second transceiving module performs the reflection operation, the first radiation slice radiately receives the reflection output signal at the first end of the first lengthwise edge.

4. The transmitting device according to claim 2, wherein the second transceiving circuit comprises:

a first phase feeding path electrically connected to the second radiation slice, for receiving the at least an internal transmission signal from the second radiation slice and generating a first phase input signal;

a second phase feeding path electrically connected to the second radiation slice, for receiving the at least an internal transmission signal from the second radiation slice and generating a second phase input signal, wherein the first phase input signal and the second phase input signal are opposite signals;

a phase shifter for selectively introducing a phase shift to one of the first phase input signal and the second phase input signal, and generating a shifted input signal; and

a phase switch circuit, comprising;

a first selector switch having one end electrically connected to the phase shifter and the other end electrically connected to the first phase feeding path, for selectively conducting connection between the phase shifter and the first phase feeding path according to a level of a first switch control signal; and

a second selector switch having one end electrically connected to the phase shifter and the other end electrically connected to the second phase feeding path, for selectively conducting connection between the phase shifter and the second phase feeding path according to a level of a second switch control signal.

5. The transmitting device according to claim 4, wherein

when the second transceiving module performs the reflection operation, the first selector switch and the second selector switch are switched off, wherein

after the first phase feeding path transmits the first phase input signal to the first selector switch, the first phase input signal is reflected to generate a first reflection sub-signal because the first selector switch is switched off, and

after the second phase feeding path transmits the second phase input signal to the second selector switch, the second phase input signal is reflected to generate a second reflection sub-signal because the second selector switch is switched off,

wherein the first reflection sub-signal and the second reflection sub-signal are fed into the first end of the second lengthwise edge of the second radiation slice to form the reflection output signal.

6. The transmitting device according to claim 4, wherein

one of the first selector switch and the second selector switch is switched on, and the other of the selector switches is switched off, wherein

when the first selector switch is switched on and the second selector switch is switched off, the phase shifter introduces the phase shift to the first phase input signal to generate the shifted input signal;

and

when the first selector switch is switched off and the second selector switch is switched on, the phase shifter introduces the phase shift to the second phase input signal to generate the shifted input signal.

7. The transmitting device according to claim 6, wherein the second transceiving circuit further comprises:

an attenuator electrically connected to the phase shifter, for adjusting strength of the shifted input signal to generate an attenuated input signal;

a transmitting amplifier selectively electrically connected to the second radiation slice;

a low noise amplifier selectively electrically connected to the second radiation slice;

a first functional switch circuit, comprising;

a third selector switch having one end electrically connected to the attenuator and the other end electrically connected to the transmitting amplifier, for selectively conducting connection between the attenuator and the transmitting amplifier according to a level of a third switch control signal; and

a fourth selector switch having one end electrically connected to the attenuator and the other end electrically connected to the low noise amplifier, for selectively conducting connection between the attenuator and the low noise amplifier according to a level of a fourth switch control signal; and

a second functional switch circuit, comprising;

a fifth selector switch having one end electrically connected to the second end of the second lengthwise edge of the second radiation slice and the other end electrically connected to the transmitting amplifier, wherein the third selector switch and the fifth selector switch are simultaneously switched on or switched off; and

a sixth selector switch having one end electrically connected to the second end of the second lengthwise edge of the second radiation slice and the other end electrically connected to the low noise amplifier, wherein the fourth selector switch and the sixth selector switch are simultaneously switched on or switched off.

8. The transmitting device according to claim 7, wherein

when the second transceiving module performs the second transmission operation,

the third selector switch is switched on and the fourth selector switch is switched off, wherein the transmitting amplifier adjusts strength of the attenuated input signal to generate the second external transmission signal.

9. The transmitting device according to claim 7, wherein

when the second transceiving module performs the reflection operation, the third selector switch and the fourth selector switch are switched off, wherein the attenuated input signal is reflected to generate an intermediate reflection signal because the third selector switch and the fourth selector switch are switched off, wherein

the reflection output signal is generated from the intermediate reflection signal through the first selector switch and the first phase feeding path, or

the reflection output signal is generated from the intermediate reflection signal through the second selector switch and the second phase feeding path.

10. The transmitting device according to claim 2, wherein

the at least a feeding antenna comprises a first feeding antenna and a second feeding antenna, and the at least an internal transmission signal comprises a first internal transmission signal and a second internal transmission signal, wherein

the controller feeds the first internal transmission signal and the second internal transmission signal into the first feeding antenna and the second feeding antenna, respectively.

11. The transmitting device according to claim 10, wherein

the first external transmission signal and the second external transmission signal correspond to a first receiving device;

or

the first external transmission signal and the second external transmission signal correspond to a second receiving device and a third receiving device, respectively.

12. The transmitting device according to claim 1, wherein the first transceiving units are arranged in M columns and N rows, and the controller adjusts the first module control signals according to the positions of the first transceiving units relative to a center of the first transceiving module and a predetermined transmission direction of the first external transmission signal.

13. The transmitting device according to claim 1, further comprising:

a conversion module electrically connected to the controller, the first transceiving module and the second transceiving module, wherein the conversion modules receives the first module control signals and the second module control signals from the controller, wherein

the conversion module transforms the first module control signals into a plurality of sets of first adjusting parameters, and transmits the sets of first adjusting parameters to the first transceiving module, wherein the number of signal lines for transmission of the first module control signals is less than the number of signal lines for transmission of the sets of first adjusting parameters, and

the conversion module transforms the second module control signals into a plurality of sets of second adjusting parameters, and transmits the sets of second adjusting parameters to the second transceiving module, wherein the number of signal lines for transmission of the second module control signals is less than the number of signal lines for transmission of the sets of second adjusting parameters.

14. The transmitting device according to claim 13, wherein the controller transmits the first module control signals to the conversion module by serial transmission, and the conversion module transmits the sets of first adjusting parameters to the first transceiving module by parallel transmission.

15. The transmitting device according to claim 13, wherein the conversion module comprises a plurality of conversion circuits, and a first conversion circuit of the conversion circuits comprises a plurality of sub-conversion circuits, wherein each of the sub-conversion circuits transforms a portion of the first module control signals into a portion of the sets of first adjusting parameters.

16. The transmitting device according to claim 13, wherein the conversion module comprises:

a storage circuit for storing a beam lookup table, wherein the beam lookup table records a plurality of beam parameters and a plurality of sets of phase and gain settings corresponding to the beam parameters; and

a mapping setting circuit electrically connected to the storage circuit and the controller, for receiving the first module control signals representing a selected beam parameter, and finding out a set of selected phase and gain setting corresponding to the selected beam parameter from the beam lookup table, wherein the mapping setting circuit uses the set of selected phase and gain setting as the sets of first adjusting parameters.

17. The transmitting device 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 and the second end of the first lengthwise edge of the first radiation slice and the first end and the second end of the second lengthwise edge of the second radiation slice has a tapered slot antenna structure, wherein an included angle is formed between the first inner lateral side and the second inner lateral side, and the included angle ranges from 0°

to 180°

.

18. A receiving device, comprising:

at least a feeding antenna for radiately receiving a first internal reception signal and a second internal reception signal;

a controller electrically connected to the at least a feeding antenna, for generating a plurality of first module control signals and a plurality of second module control signals, and receiving the first internal reception signal and the second internal reception signal from the at least a feeding antenna;

a first transceiving module electrically connected to the controller, for performing first reception operation in response to the first module control signals, wherein the first transceiving module comprises;

a first inner lateral side;

a first outer lateral side parallel to the first inner lateral side wherein a distance between the first inner lateral side and the at least a feeding antenna is shorter than a distance between the first outer lateral side and the at least a feeding antenna; and

a plurality of first transceiving units, each of the first transceiving units comprising;

a first radiation slice having a first lengthwise edge, wherein a first end and a second end of the first lengthwise edge are toward the first inner lateral side and the first outer lateral side, respectively, and the first radiation slice radiately receives a first external reception signal at the second end of the first lengthwise edge; and

a first transceiving circuit disposed on the first radiation slice and electrically connected to the controller, wherein the first transceiving circuit receives the first external reception signal from the first radiation slice, generates the first internal reception signal according to the first external reception signal and radiately transmits the first internal reception signal through the first end of the first lengthwise edge of the first radiation slice; and

a second transceiving module electrically connected to the controller, for performing one of second reception operation and reflection operation in response to the second module control signals, wherein the second transceiving module comprises;

a second inner lateral side;

a second outer lateral side parallel to the second inner lateral side wherein a distance between the second inner lateral side and the at least a feeding antenna is shorter than a distance between the second outer lateral side and the at least a feeding antenna; and

a plurality of second transceiving units, each of the second transceiving units comprising;

a second radiation slice having a second lengthwise edge equal in length to the first lengthwise edge, wherein a first end and a second end of the second lengthwise edge are toward the second inner lateral side and the second outer lateral side, respectively, and the second radiation slice radiately transmits the second internal reception signal at the first end of the second lengthwise edge; and

a second transceiving circuit disposed on the second radiation slice and electrically connected to the controller, wherein the second transceiving circuit feeds the second internal reception signal into the second radiation slice.

19. The receiving device according to claim 18, wherein

when the second transceiving module performs the second reception operation,

the second radiation slice radiately receives a second external reception signal at the second end of the second lengthwise edge, and the second transceiving circuit performs receiving-transformation of the second external reception signal to generate the second internal reception signal;

and

when the second transceiving module performs the reflection operation,

the second radiation slice radiately receives a reflection input signal at the first end of the second lengthwise edge, and the second transceiving circuit generates the second internal reception signal according to the reflection input signal.

20. The receiving device according to claim 19, wherein when the second transceiving module performs the reflection operation, the first radiation slice radiately transmits the reflection input signal at the first end of the first lengthwise edge.