CN1122377C - 信号干扰比测量的修正 - Google Patents
信号干扰比测量的修正 Download PDFInfo
- Publication number
- CN1122377C CN1122377C CN99803795A CN99803795A CN1122377C CN 1122377 C CN1122377 C CN 1122377C CN 99803795 A CN99803795 A CN 99803795A CN 99803795 A CN99803795 A CN 99803795A CN 1122377 C CN1122377 C CN 1122377C
- Authority
- CN
- China
- Prior art keywords
- sir
- value
- spread spectrum
- coefficient
- correction
- 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.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR, Eb/lo
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
Abstract
Description
扩频系数 | D0 | K0 | D1 | K1 | C0 | C1 | C2 | 修正的和理想的SIR值之间的最大绝对误差(dB) |
128 | 11.7 | 2.7 | 2.2 | 1.09 | 14.11 | 38 | 0.10 | 1.65 |
16 | 8.71 | 2.08 | 4.51 | 1.49 | 23.41 | 36.95 | 0.21 | 2.38 |
Claims (27)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/038,067 US6292519B1 (en) | 1998-03-11 | 1998-03-11 | Correction of signal-to-interference ratio measurements |
US09/038,067 | 1998-03-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1292953A CN1292953A (zh) | 2001-04-25 |
CN1122377C true CN1122377C (zh) | 2003-09-24 |
Family
ID=21897914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN99803795A Expired - Fee Related CN1122377C (zh) | 1998-03-11 | 1999-03-05 | 信号干扰比测量的修正 |
Country Status (11)
Country | Link |
---|---|
US (1) | US6292519B1 (zh) |
EP (1) | EP1062742B1 (zh) |
JP (1) | JP4339513B2 (zh) |
KR (1) | KR100713118B1 (zh) |
CN (1) | CN1122377C (zh) |
AR (1) | AR016186A1 (zh) |
AU (1) | AU752754B2 (zh) |
CA (1) | CA2323099C (zh) |
DE (1) | DE69938038D1 (zh) |
TW (1) | TW411672B (zh) |
WO (1) | WO1999046869A1 (zh) |
Families Citing this family (82)
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JP2885772B1 (ja) * | 1997-12-17 | 1999-04-26 | 日本電気移動通信株式会社 | Cdmaシステムにおける受信方法、受信品質推定方法、送信電力制御方法及び送受信装置 |
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US7649925B2 (en) * | 1999-06-14 | 2010-01-19 | Time Domain Corporation | Time transfer utilizing ultra wideband signals |
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US6493541B1 (en) * | 1999-07-02 | 2002-12-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Transmit power control time delay compensation in a wireless communications system |
US6426971B1 (en) * | 1999-09-13 | 2002-07-30 | Qualcomm Incorporated | System and method for accurately predicting signal to interference and noise ratio to improve communications system performance |
WO2001024396A1 (en) * | 1999-09-29 | 2001-04-05 | Nokia Mobile Phones Limited | Spread spectrum communication system |
DE19958383A1 (de) * | 1999-12-03 | 2001-06-07 | Bosch Gmbh Robert | Verfahren zur Regelung der Sendeleistung einer Sendestation und Empfangsstation zur Durchführung des Verfahrens |
GB9930801D0 (en) * | 1999-12-30 | 2000-02-16 | Nokia Networks Oy | Spreading factor determination |
JP3545663B2 (ja) * | 2000-01-14 | 2004-07-21 | 松下電器産業株式会社 | Sir測定装置及びsir測定方法 |
US6885694B1 (en) | 2000-02-29 | 2005-04-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Correction of received signal and interference estimates |
US6963752B1 (en) | 2000-09-18 | 2005-11-08 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for setting transmit power control command energy |
JP3559237B2 (ja) * | 2000-11-09 | 2004-08-25 | 松下電器産業株式会社 | 希望波対干渉波電力比測定回路および希望波対干渉波電力比測定方法 |
FR2821218B1 (fr) * | 2001-02-22 | 2006-06-23 | Cit Alcatel | Dispositif de reception pour un terminal de radiocommunication mobile |
CN1268071C (zh) * | 2001-06-27 | 2006-08-02 | 皇家菲利浦电子有限公司 | 频率偏置分集接收机 |
US20030039226A1 (en) * | 2001-08-24 | 2003-02-27 | Kwak Joseph A. | Physical layer automatic repeat request (ARQ) |
US7076001B2 (en) * | 2001-10-16 | 2006-07-11 | Harris Corporation | System and method for an in-service decision-directed signal to noise ratio estimator |
WO2003034677A1 (fr) * | 2001-10-17 | 2003-04-24 | Sony Corporation | Emetteur et procede de commande de transmission et recepteur et procede de commande de reception |
GB2382748A (en) * | 2001-11-28 | 2003-06-04 | Ipwireless Inc | Signal to noise plus interference ratio (SNIR) estimation with corection factor |
US7324433B1 (en) | 2001-11-29 | 2008-01-29 | Marvell International Ltd. | Method and apparatus for determining signal quality |
US7263119B1 (en) | 2001-11-29 | 2007-08-28 | Marvell International Ltd. | Decoding method and apparatus |
US6717931B2 (en) * | 2002-01-02 | 2004-04-06 | Nokia Corporation | Adaptive spreading factor based on power control |
US7974331B2 (en) * | 2002-01-07 | 2011-07-05 | St-Ericsson Sa | Rake receiver with individual finger compensator(s) |
GB2384651B (en) * | 2002-01-28 | 2004-03-24 | Toshiba Res Europ Ltd | Signal selection systems |
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GB2386038A (en) | 2002-02-27 | 2003-09-03 | Motorola Inc | Channel estimation in a radio receiver |
CN100336416C (zh) * | 2002-07-22 | 2007-09-05 | 中兴通讯股份有限公司 | 一种信干比测量方法与装置 |
EP1398883A1 (en) * | 2002-09-12 | 2004-03-17 | Nokia Corporation | Code phase acquisition |
US7162262B2 (en) * | 2002-09-23 | 2007-01-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods, systems and computer program products for requesting received power levels based on received block error rates utilizing an anti-windup and/or emergency procedure |
KR100876812B1 (ko) * | 2002-11-05 | 2009-01-07 | 삼성전자주식회사 | 비동기 방식의 부호분할다중접속 이동통신시스템에서 목표잡음 증가 대 열 잡음 비 할당을 위한 스케줄링 장치 및방법 |
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JP2004254239A (ja) * | 2003-02-21 | 2004-09-09 | Fujitsu Ltd | 回線品質特性評価システム |
JP2004254243A (ja) * | 2003-02-21 | 2004-09-09 | Fujitsu Ltd | 干渉測定評価システム |
WO2004084452A2 (en) * | 2003-03-21 | 2004-09-30 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for link adaptation |
DE60323047D1 (de) * | 2003-03-21 | 2008-10-02 | Ericsson Telefon Ab L M | Verfahren und Vorrichtung zur Verbindungsanpassung |
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GB2404822B (en) * | 2003-08-07 | 2007-07-11 | Ipwireless Inc | Method and arrangement for noise variance and sir estimation |
US7362801B2 (en) * | 2003-12-18 | 2008-04-22 | Lsi Logic Corporation | Method for accurate estimation of noise for data modems |
JP4438482B2 (ja) * | 2004-04-05 | 2010-03-24 | ソニー・エリクソン・モバイルコミュニケーションズ株式会社 | 受信品質推定方法および装置 |
US8599972B2 (en) * | 2004-06-16 | 2013-12-03 | Telefonaktiebolaget L M Ericsson (Publ) | SIR estimation in a wireless receiver |
US7773950B2 (en) | 2004-06-16 | 2010-08-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Benign interference suppression for received signal quality estimation |
US7292826B2 (en) * | 2004-07-29 | 2007-11-06 | Qualcomm Incorporated | System and method for reducing rake finger processing |
US7889692B2 (en) * | 2004-09-30 | 2011-02-15 | Alcatel-Lucent Usa, Inc. | Packet error rate estimation in a communication system |
US7711033B2 (en) * | 2005-04-14 | 2010-05-04 | Telefonaktiebolaget Lm Ericsson (Publ) | SIR prediction method and apparatus |
US20060252451A1 (en) * | 2005-05-06 | 2006-11-09 | Cho Sung R | Transmission power control device and method |
JP4951274B2 (ja) * | 2005-08-19 | 2012-06-13 | 韓國電子通信研究院 | チャネル情報の生成装置及びその方法と、それに応じる適応送信装置及びその方法 |
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US8862175B2 (en) | 2009-12-29 | 2014-10-14 | Telefonaktiebolaget L M Ericsson (Publ) | Correction of estimated SIR used for transmit power control |
JP5682226B2 (ja) * | 2010-10-25 | 2015-03-11 | ソニー株式会社 | 受信装置及び方法、復調装置及び方法、並びにプログラム |
RU2459350C1 (ru) * | 2011-07-12 | 2012-08-20 | Государственное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет" | Способ фильтрации и обнаружения флуктуирующей пачки радиоимпульсов |
US9241298B2 (en) * | 2011-11-18 | 2016-01-19 | Qualcomm Incorporated | Devices and methods for facilitating access probe sequences |
US9503216B2 (en) * | 2012-11-02 | 2016-11-22 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and devices related to effective measurements |
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CN105934893B (zh) * | 2014-12-30 | 2019-10-01 | 华为技术有限公司 | 一种传输信号的方法和设备 |
WO2017000095A1 (zh) * | 2015-06-27 | 2017-01-05 | 华为技术有限公司 | 无线通信中确定信噪比的方法和装置 |
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SE513422C2 (sv) | 1992-08-21 | 2000-09-11 | Ericsson Telefon Ab L M | Förfarande för bildande av kvalitetsmått för signalskurar |
JP2937681B2 (ja) * | 1993-03-18 | 1999-08-23 | 沖電気工業株式会社 | 送信電力制御方法 |
DE69307343T2 (de) | 1993-09-24 | 1997-04-24 | Nokia Telecommunications Oy | Verfahren und einrichtung zur steuerung der signalqualität in einem cdma-zellularkommunikationssystem |
JP2980156B2 (ja) * | 1994-05-12 | 1999-11-22 | エヌ・ティ・ティ移動通信網株式会社 | 送信電力制御方法および該制御方法を用いたスペクトル拡散通信装置 |
JP3536072B2 (ja) | 1994-11-17 | 2004-06-07 | アジレント・テクノロジーズ・インク | 受信機の感度及び妨害波特性測定方法ならびに測定装置 |
AU3260195A (en) | 1995-08-31 | 1997-03-19 | Nokia Telecommunications Oy | Method and device for controlling transmission power of a radio transmitter in a cellular communication system |
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JP3352593B2 (ja) | 1996-05-22 | 2002-12-03 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システムおよび移動通信システムにおけるソフトハンドオーバ中送信電力制御方法 |
JP3660690B2 (ja) | 1996-06-27 | 2005-06-15 | 株式会社エヌ・ティ・ティ・ドコモ | 送信電力制御装置 |
US6067446A (en) | 1996-07-11 | 2000-05-23 | Telefonaktiebolaget Lm Ericsson | Power presetting in a radio communication system |
JPH10190497A (ja) * | 1996-12-27 | 1998-07-21 | Fujitsu Ltd | Sir測定装置 |
JP3132427B2 (ja) * | 1997-07-11 | 2001-02-05 | 日本電気株式会社 | S/n測定回路,送信電力制御装置,及びディジタル通信システム |
-
1998
- 1998-03-11 US US09/038,067 patent/US6292519B1/en not_active Expired - Lifetime
-
1999
- 1999-03-04 TW TW088103311A patent/TW411672B/zh not_active IP Right Cessation
- 1999-03-05 AU AU29665/99A patent/AU752754B2/en not_active Ceased
- 1999-03-05 CN CN99803795A patent/CN1122377C/zh not_active Expired - Fee Related
- 1999-03-05 JP JP2000536146A patent/JP4339513B2/ja not_active Expired - Fee Related
- 1999-03-05 WO PCT/SE1999/000338 patent/WO1999046869A1/en active IP Right Grant
- 1999-03-05 EP EP99910904A patent/EP1062742B1/en not_active Expired - Lifetime
- 1999-03-05 CA CA002323099A patent/CA2323099C/en not_active Expired - Fee Related
- 1999-03-05 DE DE69938038T patent/DE69938038D1/de not_active Expired - Lifetime
- 1999-03-05 KR KR1020007010101A patent/KR100713118B1/ko not_active IP Right Cessation
- 1999-03-11 AR ARP990101047A patent/AR016186A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
KR100713118B1 (ko) | 2007-05-02 |
AR016186A1 (es) | 2001-06-20 |
DE69938038D1 (de) | 2008-03-13 |
AU2966599A (en) | 1999-09-27 |
CA2323099A1 (en) | 1999-09-16 |
JP2002507077A (ja) | 2002-03-05 |
JP4339513B2 (ja) | 2009-10-07 |
CN1292953A (zh) | 2001-04-25 |
EP1062742A1 (en) | 2000-12-27 |
KR20010041818A (ko) | 2001-05-25 |
WO1999046869A1 (en) | 1999-09-16 |
AU752754B2 (en) | 2002-09-26 |
CA2323099C (en) | 2007-06-12 |
EP1062742B1 (en) | 2008-01-23 |
TW411672B (en) | 2000-11-11 |
US6292519B1 (en) | 2001-09-18 |
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Effective date of registration: 20130715 Address after: Nevada Patentee after: Wireless Planet LLC Address before: Delaware Patentee before: Clastres LLC Effective date of registration: 20130715 Address after: Delaware Patentee after: Clastres LLC Address before: Stockholm Patentee before: Telefonaktiebolaget LM Ericsson |
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