KR101715403B1 - 다중모드 무선모뎀 - Google Patents
다중모드 무선모뎀 Download PDFInfo
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- KR101715403B1 KR101715403B1 KR1020100139754A KR20100139754A KR101715403B1 KR 101715403 B1 KR101715403 B1 KR 101715403B1 KR 1020100139754 A KR1020100139754 A KR 1020100139754A KR 20100139754 A KR20100139754 A KR 20100139754A KR 101715403 B1 KR101715403 B1 KR 101715403B1
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- South Korea
- Prior art keywords
- band
- communication module
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- low
- pass filter
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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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
-
- 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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0064—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with separate antennas for the more than one band
-
- 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
-
- 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
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
-
- 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
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
-
- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/0871—Hybrid systems, i.e. switching and combining using different reception schemes, at least one of them being a diversity reception scheme
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Transceivers (AREA)
Abstract
Description
또한, 상기 저역통과필터는, 상기 제1 통신모듈로부터 제1 송신신호를 입력받고, 상기 제1 송신신호에 대한 저대역 여파를 수행하고, 상기 제1 RF스위치는, 상기 저역통과필터로부터 수신된 상기 여파된 제1 송신신호 또는 상기 제2 통신모듈로부터 수신된 제2 송신신호를 상기 제1 안테나에 전달하도록 스위칭할 수 있다.
또한, 상기 제1 대역통과필터 및 제2 대역통과필터는 상기 제1주파수대역의 신호를 통과시키는 대역통과필터이고, 상기 제3 대역통과필터 및 제4 대역통과필터는 상기 제2 주파수대역의 신호를 통과시키는 대역통과필터일 수 있다.
도 2는 본 발명의 다중밴드 무선모뎀의 제1실시예 구조도이다.
도 3은 본 발명의 다중밴드 무선모뎀의 제2실시예 구조도이다.
13, 23, 31, 33: LNA 12, 14, 22, 24, 32, 35; BPF
15: LPF 16, 35, 41: RF스위치
17: 주안테나 36: 다이버시티 안테나
42: HPF
Claims (3)
- 제1 주파수대역으로 통신하는 제1 통신모듈 및 제2 주파수대역으로 통신하는 제2 통신모듈을 포함하는 다중밴드 무선모뎀에 있어서,
주신호를 수신하기 위한 제1 안테나;
다이버시티신호를 수신하기 위한 제2 안테나;
상기 주신호를 상기 제1 통신모듈 또는 제2 통신모듈에 전달하기 위한 제1 RF스위치;
상기 다이버시티신호를 상기 제1 통신모듈 또는 제2 통신모듈에 전달하기 위한 제2 RF스위치; 및
상기 제1 RF스위치로부터 상기 주신호를 입력받고, 상기 주신호에 대한 저대역 여파를 수행하고, 상기 저대역 여파된 신호를 출력하는 저역통과필터를 포함하고,
상기 제1 주파수대역은 상기 제2 주파수대역보다 저대역이고,
상기 제1 통신모듈은,
상기 저역통과필터로부터 출력된 주신호를 제1 대역통과필터 및 제1 저잡음엠프를 거쳐 수신하고,
상기 제2 RF 스위치로부터 전달되는 다이버시티 신호를 제2 대역통과필터 및 제2 저잡음엠프를 거쳐 수신하고,
상기 제2 통신모듈은,
상기 제1 RF스위치로부터 전달되는 주신호를 제3 대역통과필터 및 제3 저잡음엠프를 거쳐 수신하고,
상기 제2 RF스위치로부터 전달되는 다이버시티 신호를 제4 대역통과필터 및 제4 저잡음엠프를 거쳐 수신하는, 다중밴드 무선모뎀.
- 청구항 1에 있어서,
상기 저역통과필터는,
상기 제1 통신모듈로부터 제1 송신신호를 입력받고, 상기 제1 송신신호에 대한 저대역 여파를 수행하고,
상기 제1 RF스위치는,
상기 저역통과필터로부터 수신된 상기 여파된 제1 송신신호 또는 상기 제2 통신모듈로부터 수신된 제2 송신신호를 상기 제1 안테나에 전달하도록 스위칭하는, 다중밴드 무선모뎀.
- 청구항 1 또는 2에 있어서,
상기 제1 대역통과필터 및 제2 대역통과필터는 상기 제1 주파수대역의 신호를 통과시키는 대역통과필터이고,
상기 제3 대역통과필터 및 제4 대역통과필터는 상기 제2 주파수대역의 신호를 통과시키는 대역통과필터인, 다중밴드 무선모뎀.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100139754A KR101715403B1 (ko) | 2010-12-31 | 2010-12-31 | 다중모드 무선모뎀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100139754A KR101715403B1 (ko) | 2010-12-31 | 2010-12-31 | 다중모드 무선모뎀 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20120077695A KR20120077695A (ko) | 2012-07-10 |
KR101715403B1 true KR101715403B1 (ko) | 2017-03-22 |
Family
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Application Number | Title | Priority Date | Filing Date |
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KR1020100139754A Expired - Fee Related KR101715403B1 (ko) | 2010-12-31 | 2010-12-31 | 다중모드 무선모뎀 |
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KR (1) | KR101715403B1 (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10050694B2 (en) | 2014-10-31 | 2018-08-14 | Skyworks Solution, Inc. | Diversity receiver front end system with post-amplifier filters |
GB2572888B (en) * | 2014-10-31 | 2020-01-08 | Skyworks Solutions Inc | A receiving system |
JP6029728B2 (ja) * | 2014-10-31 | 2016-11-24 | スカイワークス ソリューションズ,インコーポレイテッドSkyworks Solutions,Inc. | 位相シフト部品を備えたダイバーシティ受信器フロントエンドシステム |
US9571037B2 (en) | 2014-10-31 | 2017-02-14 | Skyworks Solutions, Inc. | Diversity receiver front end system with impedance matching components |
US9893752B2 (en) | 2014-10-31 | 2018-02-13 | Skyworks Solutions, Inc. | Diversity receiver front end system with variable-gain amplifiers |
KR102310988B1 (ko) * | 2015-03-04 | 2021-10-12 | 삼성전자주식회사 | 통신 장치 및 방법 |
US10009054B2 (en) | 2015-05-28 | 2018-06-26 | Skyworks Solutions, Inc. | Impedance matching integrous signal combiner |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100664566B1 (ko) * | 2005-01-17 | 2007-01-04 | 삼성전자주식회사 | 블루투스와 무선랜을 구비하는 이동통신단말기에서안테나를 효과적으로 사용하기 위한 장치 및 방법 |
JP2007150566A (ja) | 2005-11-25 | 2007-06-14 | Hitachi Metals Ltd | マルチバンド用アンテナスイッチモジュール |
KR100733205B1 (ko) | 2004-10-22 | 2007-06-27 | 교세라 가부시키가이샤 | 휴대 단말 장치 및 안테나 스위치 |
JP2009513065A (ja) * | 2005-10-19 | 2009-03-26 | クゥアルコム・インコーポレイテッド | 無線通信のためのダイバーシティー受信機 |
-
2010
- 2010-12-31 KR KR1020100139754A patent/KR101715403B1/ko not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100733205B1 (ko) | 2004-10-22 | 2007-06-27 | 교세라 가부시키가이샤 | 휴대 단말 장치 및 안테나 스위치 |
KR100664566B1 (ko) * | 2005-01-17 | 2007-01-04 | 삼성전자주식회사 | 블루투스와 무선랜을 구비하는 이동통신단말기에서안테나를 효과적으로 사용하기 위한 장치 및 방법 |
JP2009513065A (ja) * | 2005-10-19 | 2009-03-26 | クゥアルコム・インコーポレイテッド | 無線通信のためのダイバーシティー受信機 |
JP2007150566A (ja) | 2005-11-25 | 2007-06-14 | Hitachi Metals Ltd | マルチバンド用アンテナスイッチモジュール |
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