ATE218019T1 - Verfahren zur schätzung des signal-rausch- verhältnisses von einem digitalen signal - Google Patents
Verfahren zur schätzung des signal-rausch- verhältnisses von einem digitalen signalInfo
- Publication number
- ATE218019T1 ATE218019T1 AT99402123T AT99402123T ATE218019T1 AT E218019 T1 ATE218019 T1 AT E218019T1 AT 99402123 T AT99402123 T AT 99402123T AT 99402123 T AT99402123 T AT 99402123T AT E218019 T1 ATE218019 T1 AT E218019T1
- Authority
- AT
- Austria
- Prior art keywords
- signal
- assigned
- estimating
- received
- noise ratio
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
- H04Q11/0478—Provisions for broadband connections
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/005—Interference mitigation or co-ordination of intercell interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70702—Intercell-related aspects
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Noise Elimination (AREA)
- Dc Digital Transmission (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Transmitters (AREA)
- Analogue/Digital Conversion (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Radio Relay Systems (AREA)
- Radio Transmission System (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9901295A FR2789534B1 (fr) | 1999-02-04 | 1999-02-04 | Procede d'estimation du rapport signal a bruit d'un signal numerique recu par un recepteur de radiocommunications |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE218019T1 true ATE218019T1 (de) | 2002-06-15 |
Family
ID=9541596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT99402123T ATE218019T1 (de) | 1999-02-04 | 1999-08-26 | Verfahren zur schätzung des signal-rausch- verhältnisses von einem digitalen signal |
Country Status (12)
Country | Link |
---|---|
US (1) | US6539214B1 (de) |
EP (1) | EP1026843B1 (de) |
JP (1) | JP4521913B2 (de) |
KR (1) | KR20000076605A (de) |
CN (1) | CN1263387A (de) |
AT (1) | ATE218019T1 (de) |
AU (1) | AU1357600A (de) |
BR (1) | BR0000220A (de) |
DE (1) | DE69901532T2 (de) |
FR (1) | FR2789534B1 (de) |
ID (1) | ID24780A (de) |
TW (1) | TW453053B (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2789534B1 (fr) * | 1999-02-04 | 2001-06-08 | Cit Alcatel | Procede d'estimation du rapport signal a bruit d'un signal numerique recu par un recepteur de radiocommunications |
ATE546904T1 (de) * | 1999-09-17 | 2012-03-15 | Ericsson Telefon Ab L M | Verfahren und vorrichtung zur schätzung des restlärmes in einem signal und mobiltelephon, welches dieses verfahren verwendet |
KR20030085745A (ko) * | 2002-05-01 | 2003-11-07 | 엘지전자 주식회사 | 이동통신시스템에서의 잡음전력 추정방법 |
US8121536B2 (en) * | 2002-07-23 | 2012-02-21 | Qualcomm Incorporated | Noise compensation in satellite communications |
KR100522604B1 (ko) * | 2003-05-27 | 2005-10-20 | 삼성전자주식회사 | 다중 주파수 네트워크 방송 시스템에서의 채널 관리 방법및 장치 |
GB2404822B (en) * | 2003-08-07 | 2007-07-11 | Ipwireless Inc | Method and arrangement for noise variance and sir estimation |
CN100448183C (zh) * | 2004-06-07 | 2008-12-31 | 东南大学 | 一种用于瑞利信道的校正均值在线信噪比估计方法 |
CN101640572B (zh) * | 2008-07-18 | 2015-01-28 | 美满电子科技(上海)有限公司 | 信噪比测量方法和装置以及通信设备 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5418849A (en) * | 1988-12-21 | 1995-05-23 | Siemens Telecomunicazioni S.P.A. | Procedure and device for adaptive digital cancellation of the echo generated in telephone connections with time-variant characteristics |
JPH05211670A (ja) * | 1992-01-14 | 1993-08-20 | Nec Corp | 搬送波電力対雑音電力比検出回路 |
US5297161A (en) * | 1992-06-29 | 1994-03-22 | Motorola Inc. | Method and apparatus for power estimation in an orthogonal coded communication system |
JP3457357B2 (ja) * | 1993-07-23 | 2003-10-14 | 株式会社日立製作所 | スペクトル拡散通信システム、送信電力制御方法、移動端末装置及び基地局 |
US5463662A (en) * | 1994-04-08 | 1995-10-31 | Echelon Corporation | Apparatus and method for reducing errors in data caused by noise through use of blanking |
JP2751840B2 (ja) * | 1994-09-12 | 1998-05-18 | 日本電気株式会社 | 信号検出装置 |
US5506869A (en) * | 1994-10-27 | 1996-04-09 | Northern Telecom Limited | Methods and apparatus for estimating carrier-to-interference ratios at cellular radio base stations |
JPH08256102A (ja) * | 1995-01-19 | 1996-10-01 | Sony Corp | セルラーシステム |
US5799005A (en) * | 1996-04-30 | 1998-08-25 | Qualcomm Incorporated | System and method for determining received pilot power and path loss in a CDMA communication system |
JPH10108249A (ja) * | 1996-09-26 | 1998-04-24 | Nippon Telegr & Teleph Corp <Ntt> | 送信電力制御方式及び送信電力制御方法 |
US6122260A (en) * | 1996-12-16 | 2000-09-19 | Civil Telecommunications, Inc. | Smart antenna CDMA wireless communication system |
JPH10190497A (ja) * | 1996-12-27 | 1998-07-21 | Fujitsu Ltd | Sir測定装置 |
US5842114A (en) * | 1997-02-12 | 1998-11-24 | Interdigital Technology Corporation | Global channel power control to minimize spillover in a wireless communication environment |
US6104933A (en) * | 1997-06-23 | 2000-08-15 | Telefonaktiebolaget Lm Ericsson | Method and apparatus for control of base stations in macro diversity radio systems |
US6118767A (en) * | 1997-11-19 | 2000-09-12 | Metawave Communications Corporation | Interference control for CDMA networks using a plurality of narrow antenna beams and an estimation of the number of users/remote signals present |
FR2789534B1 (fr) * | 1999-02-04 | 2001-06-08 | Cit Alcatel | Procede d'estimation du rapport signal a bruit d'un signal numerique recu par un recepteur de radiocommunications |
-
1999
- 1999-02-04 FR FR9901295A patent/FR2789534B1/fr not_active Expired - Fee Related
- 1999-08-26 DE DE69901532T patent/DE69901532T2/de not_active Expired - Lifetime
- 1999-08-26 AT AT99402123T patent/ATE218019T1/de not_active IP Right Cessation
- 1999-08-26 EP EP99402123A patent/EP1026843B1/de not_active Expired - Lifetime
- 1999-09-10 US US09/393,458 patent/US6539214B1/en not_active Expired - Fee Related
-
2000
- 2000-01-17 JP JP2000007428A patent/JP4521913B2/ja not_active Expired - Fee Related
- 2000-01-21 TW TW089101013A patent/TW453053B/zh active
- 2000-01-25 AU AU13576/00A patent/AU1357600A/en not_active Abandoned
- 2000-01-28 BR BR0000220-8A patent/BR0000220A/pt not_active Application Discontinuation
- 2000-02-01 ID IDP20000071A patent/ID24780A/id unknown
- 2000-02-03 KR KR1020000005427A patent/KR20000076605A/ko not_active Application Discontinuation
- 2000-02-04 CN CN00101993A patent/CN1263387A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2789534B1 (fr) | 2001-06-08 |
CN1263387A (zh) | 2000-08-16 |
DE69901532D1 (de) | 2002-06-27 |
AU1357600A (en) | 2000-08-10 |
JP2000295140A (ja) | 2000-10-20 |
US6539214B1 (en) | 2003-03-25 |
BR0000220A (pt) | 2000-12-05 |
ID24780A (id) | 2000-08-10 |
KR20000076605A (ko) | 2000-12-26 |
JP4521913B2 (ja) | 2010-08-11 |
TW453053B (en) | 2001-09-01 |
EP1026843A1 (de) | 2000-08-09 |
FR2789534A1 (fr) | 2000-08-11 |
EP1026843B1 (de) | 2002-05-22 |
DE69901532T2 (de) | 2003-01-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE229653T1 (de) | Positionsbestimmungssystem für ein digitales telefonnetz | |
DE69809813D1 (de) | Verstärkungssteuerung für einen optischen Empfänger | |
CA2309681A1 (en) | Efficient correlation over a sliding window | |
DE69916499D1 (de) | Automechanische verstärkungsregelung für zeitrasterbetrieb | |
WO2001078271A3 (en) | System and method for adding an inaudible code to an audio signal and method and apparatus for reading a code signal from an audio signal | |
CA2341461A1 (en) | Method for transmitting information and suitable system therefor | |
DE69715533T2 (de) | Empfänger für Übertragungssystem eines optischen Digitalsignals | |
ATE451756T1 (de) | Positionierung eines pfadsucherfensters in einem cdma-empfänger | |
ATE227429T1 (de) | Verfahren zur optischen entfernungsmessung | |
ATE218019T1 (de) | Verfahren zur schätzung des signal-rausch- verhältnisses von einem digitalen signal | |
EP0998055A3 (de) | Verbesserungen in oder im Bezug auf Leistungsregelung in Weitbandigen mehrfachen Kodezugriff | |
EP0712116A3 (de) | Robustes Verfahren zur Grundfrequenzschätzung und dieses für telefonische Sprache benutzende Vorrichtung | |
DE59911106D1 (de) | Verfahren zur bildung bzw. ermittlung einer signalfolge, sendeeinheit und empfangseinheit | |
WO2001050615A3 (en) | Spreading factor determination | |
DE69902282D1 (de) | Empfänger für geteilte c/a kode | |
DE69726448D1 (de) | Verfahren zur kanalauswahl für sender-empfänger | |
WO2000044196A3 (de) | Vorrichtung und verfahren zur qualitätsbeurteilung von mehrkanaligen audiosignalen | |
FI20011820A (fi) | Menetelmä mittausten suorittamiseksi langattomassa päätelaitteessa ja langaton pätelaite | |
NO983788L (no) | Fremgangsmåte for bestemmelse av et terminalutstyrs hastighet, samt mottaker | |
WO2005114969A3 (en) | Detection of cloned communication units | |
WO2005057903A3 (en) | Apparatus and a method for low noise sensing | |
DE50111689D1 (de) | Verfahren zur übertragung von zusätzlichen optischen signalen im s-band | |
TH42713A (th) | วิธีการของการประมาณค่าอัตราส่วนของสัญญาณต่อสัญญาณรบกวนของสัญญาณแบบดิจิตอล ที่รับได้โดยครื่องรับของการสื่อสารวิทยุ | |
EP0741469A3 (de) | Einrichtung und Verfahren zur Dekodierung eines Kommunikationssignals | |
EP1041726A3 (de) | Ein Empfangsgerät eines Spreizspektrumnachrichtenübertragungssystems |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |