KR100874619B1 - 다중의 수신 경로를 갖는 저-전력 무선 다이버시티 수신기 - Google Patents
다중의 수신 경로를 갖는 저-전력 무선 다이버시티 수신기 Download PDFInfo
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- KR100874619B1 KR100874619B1 KR20067014438A KR20067014438A KR100874619B1 KR 100874619 B1 KR100874619 B1 KR 100874619B1 KR 20067014438 A KR20067014438 A KR 20067014438A KR 20067014438 A KR20067014438 A KR 20067014438A KR 100874619 B1 KR100874619 B1 KR 100874619B1
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/20—Countermeasures against jamming
- H04K3/22—Countermeasures against jamming including jamming detection and monitoring
- H04K3/224—Countermeasures against jamming including jamming detection and monitoring with countermeasures at transmission and/or reception of the jammed signal, e.g. stopping operation of transmitter or receiver, nulling or enhancing transmitted power in direction of or at frequency of jammer
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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
- H04B1/06—Receivers
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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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/109—Means associated with receiver for limiting or suppressing noise or interference by improving strong signal performance of the receiver when strong unwanted signals are present at the receiver input
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- 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
-
- 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
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0817—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with multiple receivers and antenna path selection
- H04B7/082—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with multiple receivers and antenna path selection selecting best antenna path
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Radio Transmission System (AREA)
- Superheterodyne Receivers (AREA)
Abstract
Description
Claims (37)
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- 제 1 베이스밴드 신호를 제공하기 위해, 제 1 입력 신호를 수신, 증폭, 및 주파수 하향변환하도록 동작가능하며, 수신기에 대한 시스템 요건과 컴플라이언트한 제 1 수신 경로; 및제 2 베이스밴드 신호를 제공하기 위해, 제 2 입력 신호를 수신, 증폭, 및 주파수 하향변환하도록 동작가능하며, 상기 수신기에 대한 시스템 요건과 컴플라이언트하지 않는 제 2 수신 경로;제 3 베이스밴드 신호를 제공하기 위해, 제 3 입력 신호를 수신, 증폭, 및 주파수 하향변환하도록 동작가능하며, 상기 수신기에 대한 시스템 요건과 컴플라이언트한 제 3 수신 경로; 및제 4 베이스밴드 신호를 제공하기 위해, 제 4 입력 신호를 수신, 증폭, 및 주파수 하향변환하도록 동작가능하며, 상기 수신기에 대한 시스템 요건과 컴플라이언트하지 않는 제 4 수신 경로를 더 포함하며,상기 제 1 입력 신호 및 상기 제 2 입력 신호는 동일한 주파수 대역에 대해 존재하고,상기 제 1 입력 신호 및 상기 제 2 입력 신호는 제 1 주파수 대역에 대한 것이고, 상기 제 3 입력 신호 및 상기 제 4 입력 신호는 제 2 주파수 대역에 대한 것인, 무선 디바이스.
- 제 8 항에 있어서,상기 제 1 주파수 대역은 셀룰러 대역이고, 상기 제 2 주파수 대역은 개인 통신 시스템 (PCS) 대역인, 무선 디바이스.
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- 수신기에 대한 시스템 요건과 컴플라이언트한 제 1 수신 경로;상기 수신기에 대한 상기 시스템 요건과 컴플라이언트하지 않는 제 2 수신 경로를 포함하고,제 3 수신 경로 및 제 4 수신 경로를 더 포함하며,상기 제 1 수신 경로는,제 1 입력 신호를 수신 및 증폭하여 제 1 증폭된 신호를 제공하도록 동작가능한 제 1 증폭기, 및상기 제 1 증폭된 신호를 주파수 하향변환하여 제 1 베이스밴드 신호를 제공하도록 동작가능한 제 1 하향변환기를 구비하며,상기 제 2 수신 경로는,제 2 입력 신호를 수신 및 증폭하여 제 2 증폭된 신호를 제공하도록 동작가능한 제 2 증폭기로서, 상기 제 1 입력 신호 및 상기 제 2 입력 신호는 동일한 주파수 대역에 대해 존재하는, 상기 제 2 증폭기, 및상기 제 2 증폭된 신호를 주파수 하향변환하여 제 2 베이스밴드 신호를 제공하도록 동작가능한 제 2 하향변환기를 구비하고,상기 제 3 수신 경로는,제 3 입력 신호를 수신 및 증폭하여 제 3 증폭된 신호를 제공하도록 동작가능한 제 3 증폭기, 및상기 제 3 증폭된 신호를 주파수 하향변환하여 제 3 베이스밴드 신호를 제공하도록 동작가능한 제 3 하향변환기를 구비하며,상기 제 4 수신 경로는,제 4 입력 신호를 수신 및 증폭하여 제 4 증폭된 신호를 제공하도록 동작가능한 제 4 증폭기, 및상기 제 4 증폭된 신호를 주파수 하향변환하여 제 4 베이스밴드 신호를 제공하도록 동작가능한 제 4 하향변환기를 구비하며,상기 제 1 입력 신호 및 상기 제 2 입력 신호는 제 1 주파수 대역에 대한 것이고, 상기 제 3 입력 신호 및 상기 제 4 입력 신호는 제 2 주파수 대역에 대한 것인, 집적 회로.
- 제 24 항에 있어서,상기 제 1 주파수 대역은 셀룰러 대역이고, 상기 제 2 주파수 대역은 개인 통신 시스템 (PCS) 대역인, 집적 회로.
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- 수신기에 대한 시스템 요건과 컴플라이언트한 제 1 수신 경로; 및상기 수신기에 대한 상기 시스템 요건과 컴플라이언트하지 않는 제 2 수신 경로를 포함하며,상기 제 1 수신 경로는,제 1 입력 신호를 수신 및 증폭하여 제 1 증폭된 신호를 제공하도록 동작가능한 제 1 증폭기, 및상기 제 1 증폭된 신호를 주파수 하향변환하여 제 1 베이스밴드 신호를 제공하도록 동작가능한 제 1 하향변환기를 구비하며,상기 제 2 수신 경로는,제 2 입력 신호를 수신 및 증폭하여 제 2 증폭된 신호를 제공하도록 동작가능한 제 2 증폭기로서, 상기 제 1 입력 신호 및 상기 제 2 입력 신호는 동일한 주파수 대역에 대해 존재하는, 상기 제 2 증폭기, 및상기 제 2 증폭된 신호를 주파수 하향변환하여 제 2 베이스밴드 신호를 제공하도록 동작가능한 제 2 하향변환기를 구비하고,상기 제 2 수신 경로에 대한 상기 제 2 증폭기 및 상기 제 2 하향변환기는, 각각, 상기 제 1 수신 경로에 대한 상기 제 1 증폭기 및 상기 제 1 하향변환기보다 더 낮은 전류로 바이어스되는, 집적 회로.
- 수신기에 대한 시스템 요건과 컴플라이언트한 제 1 수신 경로; 및상기 수신기에 대한 상기 시스템 요건과 컴플라이언트하지 않는 제 2 수신 경로를 포함하며,상기 제 1 수신 경로는,제 1 입력 신호를 수신 및 증폭하여 제 1 증폭된 신호를 제공하도록 동작가능한 제 1 증폭기, 및상기 제 1 증폭된 신호를 주파수 하향변환하여 제 1 베이스밴드 신호를 제공하도록 동작가능한 제 1 하향변환기를 구비하며,상기 제 2 수신 경로는,제 2 입력 신호를 수신 및 증폭하여 제 2 증폭된 신호를 제공하도록 동작가능한 제 2 증폭기로서, 상기 제 1 입력 신호 및 상기 제 2 입력 신호는 동일한 주파수 대역에 대해 존재하는, 상기 제 2 증폭기, 및상기 제 2 증폭된 신호를 주파수 하향변환하여 제 2 베이스밴드 신호를 제공하도록 동작가능한 제 2 하향변환기를 구비하고,상기 제 2 수신 경로에 대한 상기 제 2 증폭기 및 상기 제 2 하향변환기는, 각각, 상기 제 1 수신 경로에 대한 상기 제 1 증폭기 및 상기 제 1 하향변환기보다 더 작은-사이즈의 회로 컴포넌트로 구현되는, 집적 회로.
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Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US53124103P | 2003-12-18 | 2003-12-18 | |
US60/531,241 | 2003-12-18 | ||
US10/993,011 US9026070B2 (en) | 2003-12-18 | 2004-11-18 | Low-power wireless diversity receiver with multiple receive paths |
US10/993,011 | 2004-11-18 | ||
PCT/US2004/042783 WO2005064816A1 (en) | 2003-12-18 | 2004-12-17 | Low-power wireless diversity receiver with multiple receive paths |
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KR1020087018804A Division KR100998453B1 (ko) | 2003-12-18 | 2004-12-17 | 다중의 수신 경로를 갖는 저-전력 무선 다이버시티 수신기 |
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KR20070012637A KR20070012637A (ko) | 2007-01-26 |
KR100874619B1 true KR100874619B1 (ko) | 2008-12-17 |
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KR20067014438A KR100874619B1 (ko) | 2003-12-18 | 2004-12-17 | 다중의 수신 경로를 갖는 저-전력 무선 다이버시티 수신기 |
KR1020087018804A KR100998453B1 (ko) | 2003-12-18 | 2004-12-17 | 다중의 수신 경로를 갖는 저-전력 무선 다이버시티 수신기 |
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US (1) | US9026070B2 (ko) |
KR (2) | KR100874619B1 (ko) |
BR (1) | BRPI0417707A (ko) |
IL (1) | IL176235A0 (ko) |
WO (1) | WO2005064816A1 (ko) |
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WO2005064816A1 (en) | 2005-07-14 |
KR20070012637A (ko) | 2007-01-26 |
US20060009177A1 (en) | 2006-01-12 |
KR100998453B1 (ko) | 2010-12-06 |
BRPI0417707A (pt) | 2007-03-20 |
IL176235A0 (en) | 2006-10-05 |
US9026070B2 (en) | 2015-05-05 |
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