KR20020095556A - RF communication device with separated-antennas for receiving and transmitting - Google Patents
RF communication device with separated-antennas for receiving and transmitting Download PDFInfo
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- KR20020095556A KR20020095556A KR1020010033604A KR20010033604A KR20020095556A KR 20020095556 A KR20020095556 A KR 20020095556A KR 1020010033604 A KR1020010033604 A KR 1020010033604A KR 20010033604 A KR20010033604 A KR 20010033604A KR 20020095556 A KR20020095556 A KR 20020095556A
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- 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
- H04B1/38—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
- H04B1/40—Circuits
- H04B1/44—Transmit/receive switching
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
- H01Q1/244—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas extendable from a housing along a given path
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Abstract
Description
본 발명은 무선 통신단말기에 관한 것으로서, 더욱 상세하게는 송,수신 안테나를 개별적으로 구축하고 단말기의 RF모듈에서 듀플렉서를 제거함으로써 회로의 간략화 및 단말기의 PCB 공간을 효율적으로 사용할 수 있게 되는 무선 통신단말기에 관한 것이다.The present invention relates to a wireless communication terminal, and more particularly, by separately constructing a transmitting and receiving antenna and removing a duplexer from an RF module of a terminal, a wireless communication terminal that can simplify the circuit and efficiently use a PCB space of the terminal. It is about.
현재 널리 상용되고 있는 이동통신 단말기, 휴대형 핸드폰, CDMA 단말기, PDA, IMT-200 등과 같은 무선 통신단말기들은, 일반적으로 초고주파 신호(RF;Radio Frequency 신호)를 송수신하는데 있어서 송,수신을 일체적으로 처리하는 하나의 안테나를 구비하고 있다.Wireless communication terminals, such as mobile communication terminals, portable cellular phones, CDMA terminals, PDAs, and IMT-200s, which are currently widely used, generally process the transmission and reception in the transmission and reception of ultra high frequency signals (RF). It is equipped with one antenna.
이와 같이 하나의 안테나를 통해 송,수신을 동시에 실행하기 위해서는, 송신신호와 수신신호를 분리할 수 있는 듀플렉서회로를 필수적 구성요소로서 구비하여야 한다.As described above, in order to simultaneously perform transmission and reception through one antenna, a duplexer circuit capable of separating a transmission signal and a reception signal should be provided as an essential component.
이러한, 듀플렉서(Duplexer)는 각기 특정 주파수대역에서 동작하는 송신신호와 수신신호를 분리하기 위하여, 송신단 필터, 수신단 필터, 및 정합회로(Matching circuit), 유전체 공진기, 아이솔레이터(ISO) 등으로 구성된다.The duplexer is composed of a transmitting end filter, a receiving end filter, a matching circuit, a dielectric resonator, an isolator (ISO), and the like, in order to separate transmission and reception signals respectively operating in a specific frequency band.
따라서, 듀플렉서 회로는 많은 유전체 공진기, 커패시턴스 소자 및 코일과 같은 인턱턴스 소자 등이 포함하게 되고, 이는 소형 듀플렉서를 구현하는데 일정한 제한요인이 되고 있다.Accordingly, the duplexer circuit includes many dielectric resonators, capacitance elements, and inductance elements such as coils, etc., which is a certain limiting factor in implementing a small duplexer.
한편, 도 1은 종래의 일체형 송수신 안테나를 갖는 무선 통신단말기의 구성도로서, 종래 무선 통신단말기의 기본적인 구조와 RF 송수신 회로모듈을 도시하고 있다.On the other hand, Figure 1 is a block diagram of a conventional wireless communication terminal having an integrated transmission and reception antenna, showing the basic structure and RF transceiver circuit module of the conventional wireless communication terminal.
도 1에 도시된 바와 같이, 종래의 무선 통신단말기(100)는 그 RF 송수신 회로모듈(101)로서, RF모듈의 동작을 제어하는 제어부(102)와, 상기 제어부(101)의 제어하에 송신신호를 변조하고 수신신호를 복조 처리하는 RF 송수신부(103)와, 듀플렉서(104)를 구비하고, 단지 하나의 RF안테나(105)를 사용하고 있다.As shown in FIG. 1, the conventional wireless communication terminal 100 is an RF transmission / reception circuit module 101. The control unit 102 controls the operation of the RF module and a transmission signal under the control of the control unit 101. The RF transceiver 103 and the duplexer 104 for modulating the demodulated signal and demodulating the received signal are used, and only one RF antenna 105 is used.
상기 듀플렉서(104)는 상기 RF 송수신부로(103)부터 입력되는 송신신호를 송신단 필터를 통해 필터링한 후 상기 RF 안테나(105)를 통해 송출하고, 또한, 수신단 필터를 통해 상기 RF 안테나(105)로부터의 신호들중 수신신호만을 분리하게 됨으로써 하나의 안테나를 통해 송신과 수신을 일체적으로 처리할 수 있게 된다.The duplexer 104 filters the transmission signal input from the RF transceiver 103 through a transmitter filter and then transmits the signal through the RF antenna 105, and from the RF antenna 105 through the receiver filter. Since only the received signal is separated from the signals of, it is possible to integrally process transmission and reception through one antenna.
하지만, 종래의 무선 통신단말기는 상기 설명된 바와 같이 다수의 공진기, 송신용 필터, 수신용 필터, 및 정합회로 등으로 이뤄지는 듀플렉서를 포함하기 때문에, 단말기내에서 RF모듈이 차지하는 비율을 필요 이상으로 크게 하여 최근의 추세인 단말기의 소형화를 저해하는 요인이 되고 있다.However, since the conventional wireless communication terminal includes a duplexer composed of a plurality of resonators, a transmission filter, a reception filter, a matching circuit, and the like as described above, the ratio of the RF module in the terminal is significantly larger than necessary. Therefore, it has become a factor that hinders the miniaturization of the terminal, which is a recent trend.
또한, 하나의 안테나를 통해 송신과 수신이 동시에 이뤄지기 때문에, 송,수신 주파수간의 대역폭이 충분히 이격되지 않는 이상 상호간의 간섭이 발생하게 되고 이는 통화의 음질 및 데이터의 정확도를 떨어지게 하는 문제점이 있다.In addition, since transmission and reception are simultaneously performed through one antenna, mutual interference occurs unless the bandwidth between transmission and reception frequencies is sufficiently spaced, which causes a problem of degrading sound quality and data accuracy of a call.
본 발명은 상기한 문제점을 해결하기 위하여 안출된 것으로서, 본 발명의 목적은 송,수신신호의 분리를 위해 종래 일반적으로 사용되는 듀플렉서 회로를 제거하고 송,수신 안테나를 별도로 구비함으로써, 회로의 간략화와 단말기 PCB 공간을 효율적으로 사용할 수 있게 되고, 송,수신 신호의 상호간섭을 최소화할 수 있는 개별적 송,수신 안테나를 구비한 무선 통신 단말기를 제공하는 것이다.The present invention has been made to solve the above problems, an object of the present invention is to simplify the circuit by removing the duplexer circuit commonly used for separation of the transmission and reception signals, and separately provided a transmission and reception antenna. The terminal PCB space can be used efficiently, and to provide a wireless communication terminal having individual transmit and receive antennas that can minimize the interference of the transmission and reception signals.
도 1은 종래의 일체형 송수신 안테나를 갖는 무선 통신단말기의 구성도.1 is a block diagram of a wireless communication terminal having a conventional integrated transmission and reception antenna.
도 2는 본 발명에 따른 개별적 송수신 안테나를 구비한 무선 통신단말기의 구성도.2 is a block diagram of a wireless communication terminal having a separate transmit and receive antenna according to the present invention.
< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>
100,200. 무선 통신 단말기101,201. RF회로 모듈100,200. Wireless communication terminal 101,201. RF circuit module
102,202. 제어부103. RF 송수신부102,202. Control unit 103. RF transceiver
203. RF 송신부204. RF 수신부203. RF transmitter 204. RF receiver
104. 듀플렉서105. 송수신 안테나104. Duplexer 105. Transmit and receive antenna
205. 송신용 안테나206. 수신용 안테나205. Antenna for transmission 206. Receiving antenna
이와 같은 목적을 달성하기 위해서 본 발명에 따른 개별적 송,수신 안테나를구비한 무선 통신 단말기는 무선 송수신을 위한 RF 송수신 모듈을 포함하는 무선 통신단말기에 있어서, 상기 RF 송수신 모듈의 동작을 제어하는 제어부와, 상기 제어부의 제어하에 송신신호를 변조하여 이를 하기 송신용 안테나를 통해 직접 송출하는 RF 송신부와, 상기 제어부의 제어하에 하기 수신용 안테나를 통해 입력되는 수신신호를 복조출력하는 RF 수신부와, 상기 RF 송신부와 접속되어 송신신호를 송출하는 송신용 안테나와, 상기 RF 수신부에 접속되어 수신신호를 입수하는 수신용 안테나를 포함하는 것을 특징으로 한다.In order to achieve the above object, a wireless communication terminal including an individual transmit and receive antenna according to the present invention includes a control unit for controlling an operation of the RF transmit / receive module in a wireless communication terminal including an RF transmit / receive module. An RF transmitter for modulating a transmission signal under the control of the controller and directly transmitting the same through an antenna for transmission; an RF receiver for demodulating and outputting a reception signal input through the reception antenna under control of the controller; And a reception antenna connected to the transmitter for transmitting a transmission signal, and a reception antenna connected to the RF receiver for receiving a reception signal.
상기 송신용 안테나와 상기 수신용 안테나중 어느 하나는 외부에 돌출되어 형성되고, 다른 하나는 본체의 내부에 형성되거나 외함을 이용하는 내장형으로 이뤄지는 것이 바람직하다.One of the transmitting antenna and the receiving antenna is formed to protrude to the outside, the other is preferably formed in the interior of the main body or made of a built-in using the enclosure.
또한, 상기 내장형으로 되는 송신용 안테나 또는 수신용 안테나는 그 대역주파수에 대한 λ/4 또는 λ/2의 길이로 이뤄지는 것이 바람직하다.In addition, it is preferable that the transmission antenna or the reception antenna of the built-in type has a length of λ / 4 or λ / 2 with respect to the band frequency.
본 발명의 바람직한 실시예를 첨부 도면에 의거 상세히 설명하면 다음과 같다.Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
첨부된 도면 도 2은 본 발명에 따른 개별적 송, 수신 안테나를 구비한 무선 통신단말기에 대한 구성도이다.2 is a block diagram of a wireless communication terminal having individual transmit and receive antennas according to the present invention.
도 2에 도시된 바와 같이, 본 발명에 따른 무선 통신단말기(200)는 RF 송수신 회로모듈(201)로서 RF모듈의 전반적인 동작을 제어하기 위한 제어부(202)와, 상기 제어부(202)의 제어에 의해 송신신호를 변조하여 하기 송신용 안테나(205)로 직접 송출하는 RF 송신부(203)와, 상기 제어부(202)의 제어하에 하기 수신용안테나(206)로부터의 수신신호를 복조 출력하는 RF 수신부(204)를 포함하고, 송신과 수신을 각각 별도로 처리하기 위한 송신용 안테나(205)와, 수신용 안테나(206)를 구비한다.As shown in FIG. 2, the wireless communication terminal 200 according to the present invention is a control unit 202 for controlling the overall operation of the RF module as the RF transmission / reception circuit module 201 and control of the control unit 202. The RF transmission unit 203 for modulating the transmission signal and directly transmitting the transmission signal to the following transmission antenna 205, and an RF reception unit for demodulating and outputting the reception signal from the reception antenna 206 under the control of the control unit 202 ( 204, and includes a transmitting antenna 205 and a receiving antenna 206 for separately processing transmission and reception.
상기 RF 송신부(203)는 단말기로부터 형성되는 송신정보 또는 음성정보를 RF 송신 고주파신호로 변조한 후, 변조된 RF신호를 소정의 출력파워로서 상기 송신용 안테나(205)를 통해 송출한다. 또한, 상기 RF 송신부(203)에는 최대의 전력전달을 위해 그 입,출력단을 정합회로로 구성하는 것이 바람직하다.The RF transmitter 203 modulates the transmission information or the voice information formed from the terminal into an RF transmission high frequency signal, and then transmits the modulated RF signal through the transmission antenna 205 as a predetermined output power. In addition, the RF transmitter 203 preferably configures input and output terminals as matching circuits for maximum power transfer.
이와 같이 상기 RF 송신부(203)의 출력단에는 전용의 송신안테나(205)가 직접 접속됨으로써 송신신호만을 위한 고유의 송출경로가 형성되고, 수신신호와의 별도의 분리 절차가 요구되지 않는다.As such, since a dedicated transmission antenna 205 is directly connected to the output terminal of the RF transmitter 203, a unique transmission path for only a transmission signal is formed, and a separate separation procedure from the reception signal is not required.
또한, 상기 RF 수신부(204)는 RF 수신신호만을 입수하기 위한 전용의 수신안테나(206)와 직접 연결되고, 상기 수신용 안테나(206)를 통해 감지되는 신호들중 필터링을 통해 소정의 주파수대역의 신호만을 통과시킨 후 이를 증폭 복조함으로써 해당 음성 또는 문자 등의 정보를 출력하게 된다.In addition, the RF receiving unit 204 is directly connected to a dedicated receiving antenna 206 for receiving only an RF receiving signal, and through filtering of signals detected through the receiving antenna 206 of a predetermined frequency band. By passing only the signal and amplifying and demodulating it, information such as voice or text is output.
한편, 상기 송신용 안테나(205)와 상기 수신용 안테나(206)를 구축함에 있어서, 당업자로서는 두 안테나 모두를 도 2에서와 같이 돌출형으로 형성할 수 있지만, 그 중 하나는 돌출형으로 하고 다른 하나는 본체의 내부에 형성하거나 또는 단말기 외함을 이용하는 내장형으로 구성할 수도 있다.Meanwhile, in constructing the transmitting antenna 205 and the receiving antenna 206, those skilled in the art can form both antennas as protruding as shown in FIG. 2, but one of them is protruding and the other One may be formed inside the main body or may be of a built-in type using a terminal enclosure.
이때, 본체내 또는 외함에 형성되는 송신용 안테나 또는 수신용 안테나는 그 사용 대역주파수에 대한 λ/4 또는 λ/2의 길이로 형성하는 것이 바람직하다.In this case, the transmitting antenna or the receiving antenna formed in the main body or the enclosure is preferably formed with a length of λ / 4 or λ / 2 with respect to the used band frequency.
이와 같이 이뤄지는 본 발명에 따르면, 복잡하고 기본적으로 큰 부피와 많은 부품을 요구하는 듀플렉서회로를 제거하게 됨으로써, 단말기의 소형화를 기대할 수 있게 된다.According to the present invention thus achieved, by eliminating the duplexer circuit which is complicated and basically requires a large volume and a large number of components, it is possible to expect the miniaturization of the terminal.
또한, 송신용과 수신용 안테나가 각각 개별적으로 구비됨으로써 송신신호와 수신신호에 대한 고유의 전파경로가 형성되고, 이는 종래의 듀플렉서에 의한 것보다 효과적으로 송,수신 신호간의 간섭을 최소화할 수 있고 신호의 왜곡을 방지할 수 있게 된다.In addition, since the transmitting and receiving antennas are provided separately, a unique propagation path for the transmission signal and the reception signal is formed, which can minimize the interference between the transmission and reception signals more effectively than the conventional duplexer. It is possible to prevent the distortion of the.
본 발명은 전술한 실시예에 국한되지 않고 본 발명의 기술 사상이 허용하는 범위 내에서 다양하게 변형하여 실시할 수가 있다.The present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the technical idea of the present invention.
상기한 바와 같이 이루어지는 본 발명에 의하면, 무선 통신단말기의 RF모듈에 있어서 듀플렉서를 제거하고 송,수신을 위한 안테나를 각각 구성하게 됨으로써, 회로의 간략화와 비용절감 및 단말기 PCB공간을 효율적으로 사용할 수 있을 뿐만 아니라 송,수신 신호의 상호 간섭을 최소화하여 통화의 음질을 최상으로 유지할 수 있다.According to the present invention made as described above, by eliminating the duplexer in the RF module of the wireless communication terminal and configuring the antennas for transmitting and receiving, respectively, it is possible to simplify the circuit, reduce the cost and use the terminal PCB space efficiently. In addition, the sound quality of the call can be maintained to the best by minimizing mutual interference of the transmission and reception signals.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020010033604A KR20020095556A (en) | 2001-06-14 | 2001-06-14 | RF communication device with separated-antennas for receiving and transmitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020010033604A KR20020095556A (en) | 2001-06-14 | 2001-06-14 | RF communication device with separated-antennas for receiving and transmitting |
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| Publication Number | Publication Date |
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| KR20020095556A true KR20020095556A (en) | 2002-12-27 |
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ID=27709220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020010033604A KR20020095556A (en) | 2001-06-14 | 2001-06-14 | RF communication device with separated-antennas for receiving and transmitting |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20020095556A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100447252B1 (en) * | 2001-09-10 | 2004-09-07 | (주)씨앤드에스 마이크로 웨이브 | A antenna using different element for transmitting and receiving |
| WO2014124403A1 (en) * | 2013-02-08 | 2014-08-14 | Ubiquiti Networks, Inc. | Radio system for long-range high-speed wireless communication |
| US9172605B2 (en) | 2014-03-07 | 2015-10-27 | Ubiquiti Networks, Inc. | Cloud device identification and authentication |
| US9191037B2 (en) | 2013-10-11 | 2015-11-17 | Ubiquiti Networks, Inc. | Wireless radio system optimization by persistent spectrum analysis |
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| US9325516B2 (en) | 2014-03-07 | 2016-04-26 | Ubiquiti Networks, Inc. | Power receptacle wireless access point devices for networked living and work spaces |
| US9368870B2 (en) | 2014-03-17 | 2016-06-14 | Ubiquiti Networks, Inc. | Methods of operating an access point using a plurality of directional beams |
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| US9496620B2 (en) | 2013-02-04 | 2016-11-15 | Ubiquiti Networks, Inc. | Radio system for long-range high-speed wireless communication |
| US9543635B2 (en) | 2013-02-04 | 2017-01-10 | Ubiquiti Networks, Inc. | Operation of radio devices for long-range high-speed wireless communication |
| US9733797B2 (en) | 2013-02-08 | 2017-08-15 | Ubiquiti Networks, Inc. | Radio system for long-range high speed wireless communication |
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-
2001
- 2001-06-14 KR KR1020010033604A patent/KR20020095556A/en not_active Application Discontinuation
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100447252B1 (en) * | 2001-09-10 | 2004-09-07 | (주)씨앤드에스 마이크로 웨이브 | A antenna using different element for transmitting and receiving |
| US9543635B2 (en) | 2013-02-04 | 2017-01-10 | Ubiquiti Networks, Inc. | Operation of radio devices for long-range high-speed wireless communication |
| US9496620B2 (en) | 2013-02-04 | 2016-11-15 | Ubiquiti Networks, Inc. | Radio system for long-range high-speed wireless communication |
| US9490533B2 (en) | 2013-02-04 | 2016-11-08 | Ubiquiti Networks, Inc. | Dual receiver/transmitter radio devices with choke |
| US9293817B2 (en) | 2013-02-08 | 2016-03-22 | Ubiquiti Networks, Inc. | Stacked array antennas for high-speed wireless communication |
| WO2014124403A1 (en) * | 2013-02-08 | 2014-08-14 | Ubiquiti Networks, Inc. | Radio system for long-range high-speed wireless communication |
| US10656798B2 (en) | 2013-02-08 | 2020-05-19 | Ubiquiti Inc. | Radio system for long-range high-speed wireless communication |
| US9373885B2 (en) | 2013-02-08 | 2016-06-21 | Ubiquiti Networks, Inc. | Radio system for high-speed wireless communication |
| US10452235B2 (en) | 2013-02-08 | 2019-10-22 | Ubiquiti Inc. | Radio system for long-range high-speed wireless communication |
| US9733797B2 (en) | 2013-02-08 | 2017-08-15 | Ubiquiti Networks, Inc. | Radio system for long-range high speed wireless communication |
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| US9191037B2 (en) | 2013-10-11 | 2015-11-17 | Ubiquiti Networks, Inc. | Wireless radio system optimization by persistent spectrum analysis |
| US9172605B2 (en) | 2014-03-07 | 2015-10-27 | Ubiquiti Networks, Inc. | Cloud device identification and authentication |
| US9325516B2 (en) | 2014-03-07 | 2016-04-26 | Ubiquiti Networks, Inc. | Power receptacle wireless access point devices for networked living and work spaces |
| US9843096B2 (en) | 2014-03-17 | 2017-12-12 | Ubiquiti Networks, Inc. | Compact radio frequency lenses |
| US9912053B2 (en) | 2014-03-17 | 2018-03-06 | Ubiquiti Networks, Inc. | Array antennas having a plurality of directional beams |
| US9368870B2 (en) | 2014-03-17 | 2016-06-14 | Ubiquiti Networks, Inc. | Methods of operating an access point using a plurality of directional beams |
| US9912034B2 (en) | 2014-04-01 | 2018-03-06 | Ubiquiti Networks, Inc. | Antenna assembly |
| US9941570B2 (en) | 2014-04-01 | 2018-04-10 | Ubiquiti Networks, Inc. | Compact radio frequency antenna apparatuses |
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