KR19990067876A - 확산 스펙트럼 시스템에서의 간섭 검출 방법 및 장치 - Google Patents
확산 스펙트럼 시스템에서의 간섭 검출 방법 및 장치 Download PDFInfo
- Publication number
- KR19990067876A KR19990067876A KR1019990000670A KR19990000670A KR19990067876A KR 19990067876 A KR19990067876 A KR 19990067876A KR 1019990000670 A KR1019990000670 A KR 1019990000670A KR 19990000670 A KR19990000670 A KR 19990000670A KR 19990067876 A KR19990067876 A KR 19990067876A
- Authority
- KR
- South Korea
- Prior art keywords
- interference
- rssi
- spread spectrum
- determined
- receiver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001228 spectrum Methods 0.000 title claims abstract description 31
- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 claims description 11
- 238000005070 sampling Methods 0.000 claims 4
- 238000012545 processing Methods 0.000 abstract description 5
- 230000002411 adverse Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 12
- 238000012360 testing method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/71—Interference-related aspects the interference being narrowband interference
-
- 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
-
- 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
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K2203/00—Jamming of communication; Countermeasures
- H04K2203/10—Jamming or countermeasure used for a particular application
- H04K2203/16—Jamming or countermeasure used for a particular application for telephony
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mobile Radio Communication Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
Description
Claims (19)
- 확산 스펙트럼 시스템에서의 간섭을 검출하는 방법에 있어서,상기 확산 스펙트럼 시스템의 주파수 영역에서 RSSI(received signal strength indication) 샘플을 생성하는 단계와,상기 RSSI 샘플에 기초해서 통계를 생성하는 단계와,상기 통계를 분석하는 단계와,상기 주파수 영역에 간섭이 존재하는지의 여부를 결정하는 단계를 포함하는 간섭 검출 방법.
- 제 1 항에 있어서, 상기 간섭은 전체 주파수 대역에 대한 평균 RSSI값과 특정 주파수에서의 상기 RSSI 샘플과의 비교에 기초해서 협대역 간섭인 것으로 결정되는 간섭 검출 방법.
- 제 2 항에 있어서, 상기 협대역 간섭은 상기 전체 주파수 대역에 대한 상기 평균 RSSI값 및 상기 특정 주파수에서의 상기 RSSI 샘플 간의 차가 특정 임계치보다 큰 경우에 존재한다고 결정되는 간섭 검출 방법.
- 제 3 항에 있어서, 상기 협대역 간섭은 상기 차가 특정 수의 사이클에 대한 상기 특정 임계치보다 큰 경우에 존재한다고 결정되는 간섭 검출 방법.
- 제 1 항에 있어서, 상기 간섭은 상기 전체 주파수 대역에 대한 가변치에 기초해서 광대역 간섭인 것으로 결정되는 간섭 검출 방법.
- 제 5 항에 있어서, 상기 광대역 간섭은 상기 가변치가 특정 임계치보다 큰 경우에 존재한다고 결정되는 간섭 검출 방법.
- 제 6 항에 있어서, 상기 광대역 간섭은 상기 가변치가 특정 수의 사이클에 대한 상기 특정 임계치보다 큰 경우에 존재한다고 결정되는 간섭 검출 방법.
- 제 1 항에 있어서, 상기 확산 스펙트럼 시스템은 CDMA 방식 시스템인 간섭 검출 방법.
- 제 1 항에 있어서, 상기 확산 스펙트럼 시스템은 순방향 링크에서의 RSSI 값을 샘플링하는 순방향 링크 수신기 및 역방향 링크에서의 RSSI를 샘플링하는 역방향 링크 수신기를 구비하는 간섭 검출 방법.
- 확산 스펙트럼 시스템에서의 간섭을 검출하는 장치에 있어서,상기 확산 스펙트럼 시스템의 주파수 영역에서의 RSSI(received signal strength indication) 샘플을 생성하는 수단과,상기 RSSI 샘플에 기초해서 통계를 생성하는 수단과,상기 통계를 분석하는 수단과,상기 주파수 영역에 간섭이 존재하는지의 여부를 결정하는 수단을 포함하는 간섭 검출 장치.
- 확산 스펙트럼 시스템에서의 간섭을 검출하는 수신기에 있어서, 상기 수신기는,상기 확산 스펙트럼 시스템의 주파수 영역에서의 RSSI(received signal strength indication) 샘플을 생성하고,상기 RSSI 샘플에 기초해서 통계를 생성하고,상기 통계를 분석하고,상기 주파수 영역에 간섭이 존재하는지의 여부를 결정하는 간섭 검출 수신기.
- 제 11 항에 있어서, 상기 간섭은 전체 주파수 대역에 대한 평균 RSSI값과 특정 주파수에서의 상기 RSSI 샘플과의 비교에 기초해서 협대역 간섭인 것으로 결정되는 간섭 검출 수신기.
- 제 12 항에 있어서, 상기 협대역 간섭은 상기 전체 주파수 대역에 대한 상기 평균 RSSI값 및 상기 특정 주파수에서의 상기 RSSI 샘플 간의 차가 특정 임계치보다 큰 경우에 존재한다고 결정되는 간섭 검출 수신기.
- 제 13 항에 있어서, 상기 협대역 간섭은 상기 차가 특정 수의 사이클에 대한 상기 특정 임계치보다 큰 경우에 존재한다고 결정되는 간섭 검출 수신기.
- 제 11 항에 있어서, 상기 간섭은 상기 전체 주파수 대역에 대한 가변치에 기초해서 광대역 간섭인 것으로 결정되는 간섭 검출 수신기.
- 제 15 항에 있어서, 상기 광대역 간섭은 상기 가변치가 특정 임계치보다 큰 경우에 존재한다고 결정되는 간섭 검출 수신기.
- 제 16 항에 있어서, 상기 광대역 간섭은 상기 가변치가 특정 수의 사이클에 대한 상기 특정 임계치보다 큰 경우에 존재한다고 결정되는 간섭 검출 수신기.
- 제 11 항에 있어서, 상기 확산 스펙트럼 시스템은 CDMA 방식 시스템인 간섭 검출 수신기.
- 제 11 항에 있어서, 상기 확산 스펙트럼 시스템은 순방향 링크에서의 RSSI 값을 샘플링하는 순방향 링크 수신기 및 역방향 링크에서의 RSSI를 샘플링하는 역방향 링크 수신기를 구비하는 간섭 검출 수신기.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/006,983 | 1998-01-14 | ||
US09/006,983 US6130907A (en) | 1998-01-14 | 1998-01-14 | Interference detection for spread spectrum systems |
US9/006,983 | 1998-01-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990067876A true KR19990067876A (ko) | 1999-08-25 |
KR100346323B1 KR100346323B1 (ko) | 2002-07-26 |
Family
ID=21723583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990000670A Expired - Fee Related KR100346323B1 (ko) | 1998-01-14 | 1999-01-13 | 확산 스펙트럼 시스템에서의 간섭 검출 방법 및 장치 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6130907A (ko) |
EP (1) | EP0930724B1 (ko) |
JP (1) | JP3400371B2 (ko) |
KR (1) | KR100346323B1 (ko) |
CN (1) | CN1149401C (ko) |
AU (1) | AU743774B2 (ko) |
BR (1) | BR9806336B1 (ko) |
CA (1) | CA2256965C (ko) |
DE (1) | DE69932368T2 (ko) |
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WO2002087106A1 (en) * | 2001-04-24 | 2002-10-31 | Nokia Corporation | Method and device for estimating sir of a signal |
SE522544C2 (sv) * | 2001-05-30 | 2004-02-17 | Ericsson Telefon Ab L M | Förfarande för val av bärvåg |
US6714605B2 (en) | 2002-04-22 | 2004-03-30 | Cognio, Inc. | System and method for real-time spectrum analysis in a communication device |
US7254191B2 (en) * | 2002-04-22 | 2007-08-07 | Cognio, Inc. | System and method for real-time spectrum analysis in a radio device |
US7292656B2 (en) * | 2002-04-22 | 2007-11-06 | Cognio, Inc. | Signal pulse detection scheme for use in real-time spectrum analysis |
US7231559B2 (en) * | 2003-12-17 | 2007-06-12 | Sony Corporation | Outage predictor for communication link |
WO2006009955A2 (en) * | 2004-06-23 | 2006-01-26 | Cognio, Inc | Self-calibrated path loss position estimation process, device and system |
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WO2006023575A2 (en) * | 2004-08-19 | 2006-03-02 | Cognio, Inc. | System and method for monitoring and enforcing a restricted wireless zone |
US7767166B2 (en) * | 2004-09-03 | 2010-08-03 | Southwest Research Institute | Packed-bed radial-flow non-thermal plasma reactor |
EP2333977A3 (en) | 2004-10-13 | 2011-12-07 | McMASTER UNIVERSITY | Transmit power control techniques for wireless communication systems |
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EP3292642B1 (en) | 2015-05-04 | 2020-01-29 | ISCO International, LLC | Method and apparatus for increasing performance of communication paths for communication nodes |
CA3024175C (en) | 2016-06-01 | 2024-06-11 | Isco International, Llc | Method and apparatus for performing signal conditioning to mitigate interference detected in a communication system |
US11096181B2 (en) * | 2017-01-30 | 2021-08-17 | Qualcomm Incorporated | Monitoring interference level to selectively control usage of a contention-based protocol |
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US10284313B2 (en) | 2017-08-09 | 2019-05-07 | Isco International, Llc | Method and apparatus for monitoring, detecting, testing, diagnosing and/or mitigating interference in a communication system |
US10812121B2 (en) | 2017-08-09 | 2020-10-20 | Isco International, Llc | Method and apparatus for detecting and analyzing passive intermodulation interference in a communication system |
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-
1998
- 1998-01-14 US US09/006,983 patent/US6130907A/en not_active Expired - Lifetime
- 1998-12-23 CA CA002256965A patent/CA2256965C/en not_active Expired - Fee Related
- 1998-12-30 BR BRPI9806336-7A patent/BR9806336B1/pt not_active IP Right Cessation
-
1999
- 1999-01-05 EP EP99300044A patent/EP0930724B1/en not_active Expired - Lifetime
- 1999-01-05 DE DE69932368T patent/DE69932368T2/de not_active Expired - Lifetime
- 1999-01-12 CN CNB991010574A patent/CN1149401C/zh not_active Expired - Fee Related
- 1999-01-13 AU AU11311/99A patent/AU743774B2/en not_active Ceased
- 1999-01-13 KR KR1019990000670A patent/KR100346323B1/ko not_active Expired - Fee Related
- 1999-01-14 JP JP00711999A patent/JP3400371B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69932368T2 (de) | 2007-07-26 |
DE69932368D1 (de) | 2006-08-31 |
AU743774B2 (en) | 2002-02-07 |
EP0930724A2 (en) | 1999-07-21 |
US6130907A (en) | 2000-10-10 |
AU1131199A (en) | 1999-08-05 |
JPH11298442A (ja) | 1999-10-29 |
CA2256965A1 (en) | 1999-07-14 |
CN1149401C (zh) | 2004-05-12 |
BR9806336A (pt) | 1999-12-21 |
EP0930724B1 (en) | 2006-07-19 |
CA2256965C (en) | 2002-04-02 |
KR100346323B1 (ko) | 2002-07-26 |
BR9806336B1 (pt) | 2013-04-24 |
CN1224167A (zh) | 1999-07-28 |
JP3400371B2 (ja) | 2003-04-28 |
EP0930724A3 (en) | 2003-08-06 |
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