[go: up one dir, main page]

DE69732044D1 - Verfahren und einrichtung zur reduzierung von intermodulationsstörungen in einem mehrfachsignal-übertragungssystem - Google Patents

Verfahren und einrichtung zur reduzierung von intermodulationsstörungen in einem mehrfachsignal-übertragungssystem

Info

Publication number
DE69732044D1
DE69732044D1 DE69732044T DE69732044T DE69732044D1 DE 69732044 D1 DE69732044 D1 DE 69732044D1 DE 69732044 T DE69732044 T DE 69732044T DE 69732044 T DE69732044 T DE 69732044T DE 69732044 D1 DE69732044 D1 DE 69732044D1
Authority
DE
Germany
Prior art keywords
troubleshooting
signal transmission
transmission system
reducing intermodulation
intermodulation
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 - Lifetime
Application number
DE69732044T
Other languages
English (en)
Other versions
DE69732044T2 (de
Inventor
W Dent
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ericsson Inc
Original Assignee
Ericsson Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of DE69732044D1 publication Critical patent/DE69732044D1/de
Publication of DE69732044T2 publication Critical patent/DE69732044T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/12—Arrangements for reducing cross-talk between channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
DE69732044T 1996-10-01 1997-09-30 Verfahren und einrichtung zur reduzierung von intermodulationsstörungen in einem mehrfachsignalübertragungssystem Expired - Lifetime DE69732044T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/724,469 US6061568A (en) 1996-10-01 1996-10-01 Method and apparatus for mitigating intermodulation effects in multiple-signal transmission systems
US724469 1996-10-01
PCT/US1997/017528 WO1998015153A1 (en) 1996-10-01 1997-09-30 Method and apparatus for mitigating intermodulation effects in multiple-signal transmission systems

Publications (2)

Publication Number Publication Date
DE69732044D1 true DE69732044D1 (de) 2005-01-27
DE69732044T2 DE69732044T2 (de) 2005-12-15

Family

ID=24910567

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69732044T Expired - Lifetime DE69732044T2 (de) 1996-10-01 1997-09-30 Verfahren und einrichtung zur reduzierung von intermodulationsstörungen in einem mehrfachsignalübertragungssystem

Country Status (10)

Country Link
US (1) US6061568A (de)
EP (1) EP0934671B1 (de)
JP (1) JP3987122B2 (de)
KR (1) KR20000048810A (de)
AU (1) AU724436B2 (de)
BR (1) BR9712165A (de)
CA (1) CA2266913C (de)
DE (1) DE69732044T2 (de)
TW (1) TW362318B (de)
WO (1) WO1998015153A1 (de)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6173155B1 (en) * 1997-10-17 2001-01-09 Hughes Electronics Corporation Method and apparatus for spacecraft amplification of multi-channel signals
US6351654B1 (en) * 1997-10-23 2002-02-26 Lucent Technologies Inc. Antenna configuration for a hybrid inner/outer sectored cell
JP3778397B2 (ja) * 1997-12-27 2006-05-24 ソニー株式会社 送信方法、送信電力制御方法及び基地局装置
JP3847795B2 (ja) * 1998-05-08 2006-11-22 株式会社エヌ・ティ・ティ・ドコモ 無線通信システム、その周波数割り当て方法および周波数割り当て装置
WO2000007318A1 (en) * 1998-07-30 2000-02-10 Airnet Communications Corporation Broadband power management (power banking) within a broadband multi-carrier base station transceiver system
US6259899B1 (en) * 1998-11-04 2001-07-10 Hughes Electrical Corporation System and method for analysis of intermodulation dispersion
US6374111B1 (en) * 1999-03-12 2002-04-16 Telefonaktiebolaget Lm Ericsson (Publ) System and method for robust automatic cell retune
GB2353365A (en) * 1999-06-24 2001-02-21 Mitel Semiconductor Ltd Cross-channel interference
JP3458777B2 (ja) 1999-07-22 2003-10-20 双葉電子工業株式会社 無線送信装置、及びその送信チャネル設定方法
US6934341B2 (en) * 2000-08-29 2005-08-23 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for plurality signal generation
US7072315B1 (en) 2000-10-10 2006-07-04 Adaptix, Inc. Medium access control for orthogonal frequency-division multiple-access (OFDMA) cellular networks
US6870808B1 (en) 2000-10-18 2005-03-22 Adaptix, Inc. Channel allocation in broadband orthogonal frequency-division multiple-access/space-division multiple-access networks
MXPA03005307A (es) * 2000-12-15 2004-12-02 Adaptix Inc Comunicaciones de multiportadores con asignacion de subportadora con base en grupos.
US6947748B2 (en) * 2000-12-15 2005-09-20 Adaptix, Inc. OFDMA with adaptive subcarrier-cluster configuration and selective loading
US7164669B2 (en) * 2001-01-19 2007-01-16 Adaptix, Inc. Multi-carrier communication with time division multiplexing and carrier-selective loading
US6940827B2 (en) * 2001-03-09 2005-09-06 Adaptix, Inc. Communication system using OFDM for one direction and DSSS for another direction
US6665525B2 (en) 2001-05-29 2003-12-16 Ericsson Inc. High-level modulation method and apparatus
US6545541B2 (en) 2001-05-29 2003-04-08 Ericsson Inc. Power amplifier embedded cell bias detection, methods of detecting bias in power amplifiers and systems utilizing embedded cell bias detection
US6751444B1 (en) * 2001-07-02 2004-06-15 Broadstorm Telecommunications, Inc. Method and apparatus for adaptive carrier allocation and power control in multi-carrier communication systems
US7231191B2 (en) * 2001-09-28 2007-06-12 Powerwave Technologies, Inc. Spurious ratio control circuit for use with feed-forward linear amplifiers
WO2003081793A1 (en) * 2002-03-19 2003-10-02 Powerwave Technologies, Inc. System and method for eliminating signal zero crossings in single and multiple channel communication systems
US9125061B2 (en) * 2002-06-07 2015-09-01 Apple Inc. Systems and methods for channel allocation for forward-link multi-user systems
DE60208200T2 (de) * 2002-09-27 2006-06-29 Alcatel Funkkommunikationssystem mit Sendediversität und Multi-Nutzer-Diversität
ATE554558T1 (de) * 2002-11-07 2012-05-15 Adaptix Inc Verfahren und vorrichtung zur adaptiven trägerzuteilung und leistungsregelung in mehrträgerkommunikatiossystemen
US20040203804A1 (en) * 2003-01-03 2004-10-14 Andrew Corporation Reduction of intermodualtion product interference in a network having sectorized access points
US8422434B2 (en) 2003-02-18 2013-04-16 Qualcomm Incorporated Peak-to-average power ratio management for multi-carrier modulation in wireless communication systems
US7848741B2 (en) * 2003-12-30 2010-12-07 Kivekaes Kalle Method and system for interference detection
US20050201180A1 (en) * 2004-03-05 2005-09-15 Qualcomm Incorporated System and methods for back-off and clipping control in wireless communication systems
US8280425B2 (en) * 2004-09-16 2012-10-02 Motorola Mobility Llc Wireless transmitter configuration
US7263363B2 (en) * 2004-09-30 2007-08-28 Motorola, Inc. Method for mitigating intermodulation interference using channel power estimation and attenuation in a two-way radio communications system
EP1814251A4 (de) 2004-10-29 2012-06-27 Sharp Kk Kommunikationsverfahren und funksender
US7573851B2 (en) * 2004-12-07 2009-08-11 Adaptix, Inc. Method and system for switching antenna and channel assignments in broadband wireless networks
CN102307379B (zh) 2005-01-18 2015-06-17 夏普株式会社 无线通信装置、便携式终端以及无线通信方法
US20060203724A1 (en) * 2005-03-08 2006-09-14 Donna Ghosh Multi-carrier, multi-flow, reverse link medium access control for a communication system
US9955438B2 (en) * 2005-09-27 2018-04-24 Qualcomm Incorporated Method and apparatus for carrier allocation and management in multi-carrier communication systems
US20070097962A1 (en) * 2005-11-03 2007-05-03 Lg Electronics Inc. Method and apparatus for determining the maximum transmit power of a mobile terminal
US20070110177A1 (en) * 2005-11-14 2007-05-17 Telefonaktiebolaget Lm Ericsson RF power distribution in the frequency domain
FI20055687A0 (fi) 2005-12-21 2005-12-21 Nokia Corp Radiokanavajako ja siirtoyhteyden sovitus solukkojärjestelmässä
EP1808990B1 (de) * 2006-01-13 2008-05-28 Alcatel Lucent Adaptive Subträger- Zuteilung zu einer Mobilstation in einem multicell FDM oder OFDM Netzwerk
US9949278B2 (en) * 2006-09-11 2018-04-17 Qualcomm Incorporated Dynamic power amplifier backoff
CN101202725A (zh) 2006-12-11 2008-06-18 昂达博思公司 在tdd无线ofdm通信系统中的自动频率偏移补偿
US7852745B2 (en) * 2007-03-02 2010-12-14 Signalink Technologies Inc. Non-orthogonal frequency-division multiplexed communication through a non-linear transmission medium
JP5104174B2 (ja) * 2007-10-01 2012-12-19 富士通株式会社 洗浄乾燥装置及び洗浄乾燥方法
US9084201B2 (en) * 2008-01-25 2015-07-14 Qualcomm Incorporated Power headroom management in wireless communication systems
US8358968B2 (en) * 2008-10-03 2013-01-22 Motorola Solutions, Inc. Method for selecting a channel to be monitored by subscriber units that are idle in a communication system
US8279991B2 (en) 2008-10-03 2012-10-02 Motorola Solutions, Inc. Method of efficiently synchronizing to a desired timeslot in a time division multiple access communication system
CN102783077A (zh) 2010-01-12 2012-11-14 诺基亚西门子通信公司 基于发射接收频隙带在载波聚合通信系统中调度的设备和方法
EP2375571B1 (de) * 2010-04-02 2016-11-16 Lg Electronics Inc. Benutzergerätevorrichtung zur simultanen Übertragung von Signalen über mehrere drahtlose Kommunikationschips, auf die verschiedene drahtlose Kommunikationsschemata angewandt werden, und Verfahren zur Steuerung der Übertragungsleistung dafür
US8599826B2 (en) 2010-04-15 2013-12-03 Motorola Solutions, Inc. Method for synchronizing direct mode time division multiple access (TDMA) transmissions
US8503409B2 (en) 2010-04-15 2013-08-06 Motorola Solutions, Inc. Method for direct mode channel access
JP5462068B2 (ja) * 2010-05-12 2014-04-02 アダプティックス インコーポレイテッド マルチキャリヤ通信システム（ｍｕｌｔｉ−ｃａｒｒｉｅｒｃｏｍｍｕｎｉｃａｔｉｏｎｓｙｓｔｅｍ）における適応キャリヤ割り当てと電力コントロール方法及び装置
US8462766B2 (en) 2011-03-07 2013-06-11 Motorola Solutions, Inc. Methods and apparatus for diffusing channel timing among subscriber units in TDMA direct mode
KR101731356B1 (ko) * 2011-06-23 2017-04-28 엘지전자 주식회사 다중 안테나 무선 통신 시스템에서 듀얼 모드 이동 단말기 및 이를 위한 제어 방법
US9226299B1 (en) * 2014-09-16 2015-12-29 Sprint Spectrum L.P. Dynamic frequency assignment based on both the distance from eNodeB and the loss of a band-pass filter
WO2020190185A1 (en) * 2019-03-20 2020-09-24 Telefonaktiebolaget Lm Ericsson (Publ) Method and control device for mitigating interference

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3917998A (en) * 1973-11-02 1975-11-04 Communications Satellite Corp Butler matrix transponder
US4038600A (en) * 1976-02-17 1977-07-26 Westinghouse Electric Corporation Power control on satellite uplinks
US4455681A (en) * 1981-12-21 1984-06-19 Wile Donald T Dual threshold wide band/narrow band AGC
JPS6473926A (en) * 1987-09-16 1989-03-20 Nec Corp Channel assignment method for mobile communication system
US5163181A (en) * 1988-10-21 1992-11-10 Harris Corporation Multiple rf signal amplification method and apparatus
GB8917740D0 (en) * 1989-08-03 1989-09-20 Orbitel Mobile Communications Channel assignment and power control arrangement in a radio communication system
EP0740485A3 (de) * 1991-05-29 1997-02-26 Nec Corp Kanalzuweisungsverfahren für ein Mobilkommunikationssystem
EP0565507A3 (en) * 1992-04-10 1994-11-30 Ericsson Ge Mobile Communicat Power control for random access call set-up in a mobile telephone system
US5295138A (en) * 1992-04-21 1994-03-15 Northwest Starscon Limited Partnership Apparatus and method for optimal frequency planning in frequency division multiplexing transmissions
US5603081A (en) * 1993-11-01 1997-02-11 Telefonaktiebolaget Lm Ericsson Method for communicating in a wireless communication system
DE69432844T2 (de) * 1993-04-29 2004-05-19 Ericsson Inc. Zeitdiversityübertragungssystem zum Herabsetzung der Nachbarkanalstörung in Mobiltelefonsystemen
US5619503A (en) * 1994-01-11 1997-04-08 Ericsson Inc. Cellular/satellite communications system with improved frequency re-use
US5574967A (en) * 1994-01-11 1996-11-12 Ericsson Ge Mobile Communications, Inc. Waste energy control and management in power amplifiers
US5491837A (en) * 1994-03-07 1996-02-13 Ericsson Inc. Method and system for channel allocation using power control and mobile-assisted handover measurements
US5475870A (en) * 1994-09-12 1995-12-12 Qualcomm Incorporated Apparatus and method for adding and removing a base station from a cellular communications system
US5574974A (en) * 1995-03-20 1996-11-12 Telefonaktiebolaget Lm Ericsson Adaptive channel allocation in a mobile communications system
US5697081A (en) * 1995-09-12 1997-12-09 Oki Telecom, Inc. Intermodulation distortion reduction circuit utilizing variable attenuation

Also Published As

Publication number Publication date
JP2001501793A (ja) 2001-02-06
WO1998015153A1 (en) 1998-04-09
DE69732044T2 (de) 2005-12-15
CA2266913C (en) 2007-08-14
EP0934671B1 (de) 2004-12-22
TW362318B (en) 1999-06-21
US6061568A (en) 2000-05-09
JP3987122B2 (ja) 2007-10-03
EP0934671A1 (de) 1999-08-11
KR20000048810A (ko) 2000-07-25
AU4603097A (en) 1998-04-24
CA2266913A1 (en) 1998-04-09
BR9712165A (pt) 1999-08-31
AU724436B2 (en) 2000-09-21

Similar Documents

Publication Publication Date Title
DE69732044D1 (de) Verfahren und einrichtung zur reduzierung von intermodulationsstörungen in einem mehrfachsignal-übertragungssystem
DE69839953D1 (de) Verfahren und Einrichtung zur Sendeleistungssteuerung in einem Kommunikationssystem
DE19781955T1 (de) Verfahren und Vorrichtung zum Filtern von Intermodulationsprodukten in einem Funkkommunikationssystem
DE69733262D1 (de) Verfahren und vorrichtung zur verschlüsselung des funkverkehrs in einem telekommunikationsnetzwerk
DE69718628D1 (de) Vorrichtung und verfahren zur reduktion von gleichkanalstörungen
DE69733592D1 (de) Verfahren und Gerät zur Kommunikationssynchronisation in einer Satellitenkommunikationsanordnung
DE69736217D1 (de) Verfahren und Gerät zur Prüfung von Nachrichtübertragung
DE69934117D1 (de) Verfahren und gerät zur rufübergabe in einem kommunikationssystem
DE69733346D1 (de) Verfahren und gerät zur datenrückgewinnung in arq-übertragungssystemen
DE69532987D1 (de) Verfahren und anordnung zur nachrichtenübertragung
DE69528994D1 (de) Verfahren und anordnung zur prozessgestützten nachrichtenverarbeitung in einem kommunikationssystem
DE69528646D1 (de) Verfahren und einrichtung zum koordinieren von mehrpunktkommunikation in einem mehrtonübertragungssystem
DE69730309D1 (de) Verfahren und vorrichtung zur leistungssteuerung in einem übertragungssystem
DE69728749D1 (de) Vorrichtung und verfahren zur koordinierung von fernsprech- und datenübertragungen
DE69842223D1 (de) Verfahren und vorrichtung zur signalübertragung in einem kommunikationssystem
DE69729413D1 (de) Verfahren und vorrichtung zur leistungssteuerung in einem kommunikationssystem
DE60008892D1 (de) Vorrichtung und verfahren zur geschalteten übertragung in einem cdma-kommunikationssystem
DE69522113D1 (de) Verfahren und system zur software-aktualisierung in einem fernmeldevermittlungssystem ohne unterbrechung der bestehenden übertragung
DE69430720D1 (de) Verfahren und einrichtung zur kohärenten kommunikation in einem spreizspektrum-kommunikationssystem
DE69433171D1 (de) Verfahren und Vorrichtung zur Ausrichtung in einem drahtlosen Übertragungssystem
FI961447A7 (fi) Menetelmä ja laite tukiaseman lisäämiseksi ja poistamiseksi tietoliikennejärjestelmässä
DE69735849D1 (de) Verfahren und Einrichtung zur Kanalzuweisung in einem Funkkommunikationssystem
FI953692A0 (fi) Menetelmä ja laite viestinnän suorittamiseksi alueelisten kokonaisuuksien yli viestintäjärjestelmässä
DE69725803D1 (de) Verfahren und Gerät für Übertragung in einem zellularen Kommunikationssystem
DE69736501D1 (de) Verfahren zur Semaphorkanalübertragung und Zellauswahl in einem CDMA Übertragungssystem

Legal Events

Date Code Title Description
8364 No opposition during term of opposition