WO2015009056A1 - 위상변환기 및 이를 구비하는 송신 시스템 - Google Patents
위상변환기 및 이를 구비하는 송신 시스템 Download PDFInfo
- Publication number
- WO2015009056A1 WO2015009056A1 PCT/KR2014/006442 KR2014006442W WO2015009056A1 WO 2015009056 A1 WO2015009056 A1 WO 2015009056A1 KR 2014006442 W KR2014006442 W KR 2014006442W WO 2015009056 A1 WO2015009056 A1 WO 2015009056A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- phase
- signal
- phase shifter
- present
- transmitter
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0682—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission using phase diversity (e.g. phase sweeping)
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
- H01P1/182—Waveguide phase-shifters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
- H01P1/184—Strip line phase-shifters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/02—Coupling devices of the waveguide type with invariable factor of coupling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
Definitions
- the present invention relates to a phase shifter and a transmission system having the same.
- a structure that applies only an external antenna a structure that applies an internal and external antenna, and a structure that applies only an internal antenna are used.
- the technical problem to be solved by the present invention is to provide a phase shifter and a transmission system having the same by converting the phases of the first and second signals to have a predetermined phase difference, thereby minimizing interference between the two signals and increasing the amount of data transmission.
- the input unit is a signal input; A circular shape partially open, the phase shifter converting a phase of a signal input through the input unit; And an output unit configured to output a signal whose phase is converted by the phase shifter.
- the phase converter includes: a first connection part connected to an open portion of the phase conversion part and connecting the input part and the phase conversion part; And a second connection part connected to another open part of the phase shift part and connecting the output part and the phase shift part.
- the phase that the phase shift unit converts can be determined.
- the first transmission unit for transmitting the first signal through at least one or more first antenna; And a second transmitter configured to transmit a second signal through at least one second antenna, wherein the second transmitter includes a phase converter configured to convert the second signal to have a phase difference from the first signal. have.
- the phase shifter may be provided to correspond to the at least one second antenna.
- the phase shifter may be any one of ⁇ , 8, and ⁇ shape.
- the first signal and the second signal may be a signal of the same frequency band.
- the first signal and the second signal may be signals of different frequency bands.
- the phases of signals in the same frequency band are orthogonal to each other, thereby minimizing interference between the two signals, thereby increasing the data transmission rate.
- FIG. 1 is a block diagram of a transmission system including a phase shifter according to an embodiment of the present invention.
- FIG. 2 is an exemplary view illustrating a phase shifter according to an embodiment of the present invention.
- Figure 3 is an exemplary view for explaining the shape of the phase shifter printed on the PCB of an embodiment of the present invention.
- Figure 4 is an exemplary view for explaining the operation of the phase shifter of an embodiment of the present invention.
- FIG. 5 is an exemplary view illustrating a case in which a phase shifter of one embodiment of the present invention converts a phase to a size of 180 degrees.
- FIG. 6 is an exemplary diagram for describing a case in which a phase shifter of one embodiment of the present invention converts a phase by 90 degrees.
- FIG. 7 is an exemplary view for comparing the case where there is no phase shifter according to an embodiment of the present invention with the phase shifter of the present invention.
- FIG. 1 is a block diagram of a transmission system including a phase shifter according to an embodiment of the present invention.
- the system of one embodiment of the present invention includes a first transmitter 1 for transmitting a signal of a first frequency band, a second transmitter 2 for transmitting a signal of a second frequency band, and And a control unit 3 for transmitting a signal to the first transmitter 1 and the second transmitter 2.
- the controller 3 may be implemented as an integrated circuit (IC), which is irrelevant to the present invention, and thus a detailed description thereof will be omitted.
- IC integrated circuit
- the first transmitter 1 includes first and second antennas 11 and 12 and a first amplifier 13.
- first and second antennas 11 and 12 and a first amplifier 13.
- a case in which two antennas are included will be described as an example.
- the present invention is not limited thereto, and a configuration including a plurality of antennas is also possible.
- the signal transmitted from the controller 3 may be amplified by the first amplifier 13 and radiated through the first and second antennas 11 and 12.
- the second transmitter 2 includes a third antenna 21, a phase converter 22, and a second amplifier 23.
- a case in which the second transmitter 2 includes one antenna will be described by way of example, but is not limited thereto.
- a configuration including a plurality of antennas is also possible.
- each of the phase converter 22 is connected to each antenna, it will be apparent to those of ordinary skill in the art.
- the signal transmitted from the controller 3 may be amplified by the second amplifier 23, and the phase may be converted by the phase shifter 22 according to an embodiment of the present invention and radiated through the third antenna 21.
- the phase shifter 22 of one embodiment of the present invention may be, for example, ⁇ , 8, and ⁇ .
- FIG. 2 is an exemplary view illustrating a phase shifter according to an embodiment of the present invention.
- the phase shifter 22 includes an input unit 22A to which a signal is input, a phase shifter 22B to which a phase is converted, and a phase-converted signal are output. It consists of the output part 22C.
- the signal input through the input unit 22A is phase-shifted by the phase converting unit 22B and output through the output unit 22C.
- the phase shifter 22B has a diameter of a predetermined size, and is partially circular, and is connected through the input unit 22A and the first connection unit 22D, and the output unit 22C and the second connection unit 22E. Can be connected via. Although the input unit 22A and the output unit 22C are illustrated as being straight, the present invention is not limited thereto.
- the first connector 22D and the second connector 22E are connected to the open portion of the phase shifter 22B.
- the phase to be transformed may be determined by the size of the phase shifter 22B. That is, when the diameter of the phase shifter 22B is the first size, the phase may be converted to 90 degrees, and when the second size is the second size, the phase may be converted to 120 degrees. In addition, in the case of the third size, the phase may be converted to 180 degrees. At this time, the first size may be smaller than the second size, and the second size may be smaller than the third size.
- the number of antennas When the phase is converted to 90 degrees, the number of antennas may be 3 to 4, and when the phase is 120 degrees, the number of antennas may be 2 to 3, and the phase is 180 degrees. May be the case of two antennas.
- PCB printed circuit board
- the signal input through the input unit 22A of the phase converter 22 through the second amplifier 23 is phase-shifted by the phase converter 22B by a predetermined angle, and the output unit ( The phase-converted signal output through 22C) may be radiated through the third antenna 21.
- phase shifter 22 has been described with an example printed on a PCB, but is not limited thereto, and may be configured in various ways in various transmission systems.
- the signals output to the first transmitter 1 and the second transmitter 2 of FIG. 1 may be signals of the same frequency band or signals of different frequency bands.
- the signal output through the first transmitter 1 may be a Wi-Fi signal.
- the signal output through the second transmitter 2 may be a Bluetooth® signal.
- Figure 4 is an exemplary view for explaining the operation of the phase shifter of an embodiment of the present invention.
- the phase (B) of one signal is orthogonal to the phase (A) of the other signal (C).
- FIG. 5 is an exemplary view illustrating a case in which a phase shifter of one embodiment of the present invention converts a phase to a size of 180 degrees
- FIG. 6 illustrates a phase shifter of a phase shifter of an embodiment of the present invention to a phase of 90 degrees.
- the first transmitter 1 includes two antennas 11 and 12, and the second transmitter 2 includes one antenna 21. .
- D and E denote signals transmitted through the first transmitter 1
- F denote signals transmitted through the second transmitter 2.
- G and H denote signals transmitted through the first transmitter 1
- I denote signals transmitted through the second transmitter 2.
- the transmission system provided with the phase shifter according to an embodiment of the present invention for example, when transmitting the Wi-Fi and Bluetooth signals at the same time, it can be seen that the speed is increased by 10Mbps or more.
- FIG. 7 is an exemplary view for comparing the case where there is no phase shifter of the present invention with the phase shifter of the present invention, wherein 7A of (a), 7C of (b) and 7E of (c) The phase of the signal emitted through the antenna in the absence of a phase shifter, respectively, is shown in (a) 7B is the ⁇ phase shifter is applied, (b) 7D is the 8-phase phase shifter is applied, (c 7F in Fig. 7 shows the case where an X-type phase shifter is applied.
Abstract
Description
Claims (8)
- 신호가 입력되는 입력부;일부가 개방된 원형상으로서, 상기 입력부를 통해 입력되는 신호의 위상을 변환하는 위상변환부; 및상기 위상변환부에 의해 위상이 변환된 신호를 출력하는 출력부를 포함하는 위상변환기.
- 제1항에 있어서,상기 위상변환부의 개방된 일부분에 연결되어, 상기 입력부와 상기 위상변환부를 연결하는 제1연결부; 및상기 위상변환부의 개방된 다른 부분에 연결되어, 상기 출력부와 상기 위상변환부를 연결하는 제2연결부를 포함하는 위상변환기.
- 제1항에 있어서,상기 위상변환부의 지름의 크기에 의해, 상기 위상변환부가 변환하는 위상이 결정되는 위상변환기.
- 적어도 하나 이상의 제1안테나를 통해 제1신호를 송신하는 제1송신부; 및적어도 하나 이상의 제2안테나를 통해 제2신호를 송신하는 제2송신부를 포함하고, 상기 제2송신부는,상기 제2신호가 상기 제1신호와 위상차를 가지도록 변환하는 위상변환기를 포함하는 송신 시스템.
- 제4항에 있어서, 상기 위상변환기는,상기 적어도 하나 이상의 제2안테나에 대응하도록 구비되는 송신 시스템.
- 제5항에 있어서, 상기 위상변환기는,Ω, 8, 및 ∝형상 중 어느 하나인 송신 시스템.
- 제5항에 있어서,상기 제1신호 및 상기 제2신호는 동일한 주파수대역의 신호인 송신 시스템.
- 제5항에 있어서,상기 제1신호 및 상기 제2신호는 서로 다른 주파수대역의 신호인 송신 시스템.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201480039767.3A CN105379108A (zh) | 2013-07-16 | 2014-07-16 | 移相器和配备有移相器的传输系统 |
JP2016527930A JP2016533073A (ja) | 2013-07-16 | 2014-07-16 | 位相変換器及びこれを備える送信システム |
US14/900,308 US20160373179A1 (en) | 2013-07-16 | 2014-07-16 | Phase shifter and transmission system equipped with same |
EP14825793.4A EP3024138A4 (en) | 2013-07-16 | 2014-07-16 | Phase shifter and transmission system equipped with same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2013-0083611 | 2013-07-16 | ||
KR1020130083611A KR102076525B1 (ko) | 2013-07-16 | 2013-07-16 | 위상변환기 및 이를 구비하는 송신 시스템 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015009056A1 true WO2015009056A1 (ko) | 2015-01-22 |
Family
ID=52346437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2014/006442 WO2015009056A1 (ko) | 2013-07-16 | 2014-07-16 | 위상변환기 및 이를 구비하는 송신 시스템 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20160373179A1 (ko) |
EP (1) | EP3024138A4 (ko) |
JP (1) | JP2016533073A (ko) |
KR (1) | KR102076525B1 (ko) |
CN (1) | CN105379108A (ko) |
TW (1) | TW201509126A (ko) |
WO (1) | WO2015009056A1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20230014451A (ko) * | 2021-07-21 | 2023-01-30 | 엘지이노텍 주식회사 | 이종 복합 무선 통신 장치 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4238745A (en) * | 1979-06-18 | 1980-12-09 | Rca Corporation | Phase shifter |
EP0434860A1 (en) * | 1988-12-21 | 1991-07-03 | Hughes Aircraft Company | Switched ring phase shifting circuit |
US20060164185A1 (en) * | 2003-07-14 | 2006-07-27 | Jae-Hoon Tae | Phase shifter having power dividing function |
WO2009107186A1 (ja) * | 2008-02-25 | 2009-09-03 | 日本電業工作株式会社 | 多分岐分配移相器 |
KR101075983B1 (ko) * | 2011-05-26 | 2011-10-21 | 주식회사 선우커뮤니케이션 | 안테나 위상 변위기 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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US5087922A (en) * | 1989-12-08 | 1992-02-11 | Hughes Aircraft Company | Multi-frequency band phased array antenna using coplanar dipole array with multiple feed ports |
US5877659A (en) * | 1996-10-31 | 1999-03-02 | Northrop Grumman Corporation | 90° phase shifter apparatus and method using a directly coupled path and a switched path |
KR20000075389A (ko) * | 1999-05-19 | 2000-12-15 | 김덕용 | 입력된 신호의 위상천이 및 감쇄를 위한 신호 처리장치 |
CN1284797A (zh) * | 1999-08-16 | 2001-02-21 | Kmw株式会社 | 对所输入信号进行移相和对信号进行衰减的信号处理设备 |
US6771931B2 (en) * | 2001-06-18 | 2004-08-03 | Intel Corporation | Method and an apparatus for passive interference cancellation |
JP2007524323A (ja) * | 2004-02-25 | 2007-08-23 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | アンテナアレイ |
US7561006B2 (en) * | 2006-08-25 | 2009-07-14 | Banpil Photonics, Inc. | Low loss electrical delay line |
JP4975105B2 (ja) * | 2006-10-03 | 2012-07-11 | ビーム ネットワークス リミテッド | 移相発振器およびフェーズド・アレイ・アンテナ |
JP4808182B2 (ja) * | 2007-04-27 | 2011-11-02 | 株式会社エヌ・ティ・ティ・ドコモ | 無線通信装置、無線通信装置の給電方法 |
US8456255B2 (en) * | 2010-05-04 | 2013-06-04 | Sparkmotion Inc. | Variable phase shifter comprising two finite coupling strips coupled to a branch line coupler |
-
2013
- 2013-07-16 KR KR1020130083611A patent/KR102076525B1/ko active IP Right Grant
-
2014
- 2014-07-16 JP JP2016527930A patent/JP2016533073A/ja active Pending
- 2014-07-16 WO PCT/KR2014/006442 patent/WO2015009056A1/ko active Application Filing
- 2014-07-16 TW TW103124440A patent/TW201509126A/zh unknown
- 2014-07-16 US US14/900,308 patent/US20160373179A1/en not_active Abandoned
- 2014-07-16 CN CN201480039767.3A patent/CN105379108A/zh active Pending
- 2014-07-16 EP EP14825793.4A patent/EP3024138A4/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4238745A (en) * | 1979-06-18 | 1980-12-09 | Rca Corporation | Phase shifter |
EP0434860A1 (en) * | 1988-12-21 | 1991-07-03 | Hughes Aircraft Company | Switched ring phase shifting circuit |
US20060164185A1 (en) * | 2003-07-14 | 2006-07-27 | Jae-Hoon Tae | Phase shifter having power dividing function |
WO2009107186A1 (ja) * | 2008-02-25 | 2009-09-03 | 日本電業工作株式会社 | 多分岐分配移相器 |
KR101075983B1 (ko) * | 2011-05-26 | 2011-10-21 | 주식회사 선우커뮤니케이션 | 안테나 위상 변위기 |
Also Published As
Publication number | Publication date |
---|---|
TW201509126A (zh) | 2015-03-01 |
EP3024138A4 (en) | 2017-03-01 |
KR102076525B1 (ko) | 2020-02-12 |
KR20150009300A (ko) | 2015-01-26 |
CN105379108A (zh) | 2016-03-02 |
EP3024138A1 (en) | 2016-05-25 |
JP2016533073A (ja) | 2016-10-20 |
US20160373179A1 (en) | 2016-12-22 |
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