DE69024920T2 - Zellullares Telefonsystem mit Fähigkeit zum Reduzieren der Zwischenmodulationsverzerrung am tragbaren Telefon - Google Patents

Zellullares Telefonsystem mit Fähigkeit zum Reduzieren der Zwischenmodulationsverzerrung am tragbaren Telefon

Info

Publication number
DE69024920T2
DE69024920T2 DE69024920T DE69024920T DE69024920T2 DE 69024920 T2 DE69024920 T2 DE 69024920T2 DE 69024920 T DE69024920 T DE 69024920T DE 69024920 T DE69024920 T DE 69024920T DE 69024920 T2 DE69024920 T2 DE 69024920T2
Authority
DE
Germany
Prior art keywords
system capable
intermodulation distortion
reducing intermodulation
cellular phone
portable phone
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
Application number
DE69024920T
Other languages
English (en)
Other versions
DE69024920D1 (de
Inventor
Hisayoshi Usui
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69024920D1 publication Critical patent/DE69024920D1/de
Publication of DE69024920T2 publication Critical patent/DE69024920T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • H04B1/06—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
DE69024920T 1989-10-31 1990-10-30 Zellullares Telefonsystem mit Fähigkeit zum Reduzieren der Zwischenmodulationsverzerrung am tragbaren Telefon Expired - Fee Related DE69024920T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1283848A JPH03145346A (ja) 1989-10-31 1989-10-31 自動車電話システム

Publications (2)

Publication Number Publication Date
DE69024920D1 DE69024920D1 (de) 1996-02-29
DE69024920T2 true DE69024920T2 (de) 1996-05-30

Family

ID=17670952

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69024920T Expired - Fee Related DE69024920T2 (de) 1989-10-31 1990-10-30 Zellullares Telefonsystem mit Fähigkeit zum Reduzieren der Zwischenmodulationsverzerrung am tragbaren Telefon

Country Status (6)

Country Link
US (1) US5239683A (de)
EP (1) EP0429871B1 (de)
JP (1) JPH03145346A (de)
AU (1) AU635576B2 (de)
CA (1) CA2028895C (de)
DE (1) DE69024920T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05175767A (ja) * 1991-12-19 1993-07-13 Matsushita Electric Ind Co Ltd 電流制御回路
JP2576690B2 (ja) * 1993-03-11 1997-01-29 日本電気株式会社 ディジタル携帯電話機
JPH07326977A (ja) * 1994-02-04 1995-12-12 Advanced Micro Devices Inc 通信回路
CN1128093A (zh) * 1994-03-18 1996-07-31 菲利浦电子有限公司 以扩频为基础的蜂窝移动无线系统和控制装置，无线基站和无线移动站
JPH09261102A (ja) * 1996-03-22 1997-10-03 Toshiba Corp 振幅補正回路
KR100193848B1 (ko) * 1996-10-05 1999-06-15 윤종용 대역확산통신기에 있어서 수신신호 이득 자동제어장치 및 방법
SE512077C2 (sv) * 1997-01-22 2000-01-24 Ericsson Telefon Ab L M Förfarande och anordning för uppskattning av dämpningen i ett radiokommunikatonssystem
US6397037B1 (en) * 1997-06-02 2002-05-28 Audiological Engineering Corporation Method and apparatus for improving classroom amplification systems and other RF-type amplification systems
KR100222404B1 (ko) * 1997-06-21 1999-10-01 윤종용 혼변조 왜곡 성분을 억압하는 수신장치 및 방법
JP3045131B2 (ja) * 1997-12-03 2000-05-29 日本電気株式会社 無線選択呼出受信機
US6078799A (en) * 1998-06-09 2000-06-20 Lucent Technologies, Inc. System and method for calibrating single sideband receiver reject image product
FI106660B (fi) * 1998-11-06 2001-03-15 Nokia Mobile Phones Ltd Menetelmä ja järjestely radiovastaanottimen linearisoimiseksi
US6263289B1 (en) * 1998-12-23 2001-07-17 Agilent Technologies Inc. Method of enhancing the dynamic range of intermodulation distortion measurements
US20020119763A1 (en) * 2001-02-26 2002-08-29 Balasubramanian Ramachandran Smart current system for dynamically varying the operating current of a frequency source in a receiver
US7127211B2 (en) * 2002-02-21 2006-10-24 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for reduced intermodulation distortion in a radio transceiver
US20040043733A1 (en) * 2002-08-27 2004-03-04 Delphi Technologies, Inc. Enhanced automatic gain control
WO2006018759A1 (en) * 2004-08-16 2006-02-23 Koninklijke Philips Electronics N.V. Signal processing arrangement with power consumption control
US7672637B2 (en) * 2005-03-01 2010-03-02 Audiological Engineering Corp. Method and system for delivering from a loudspeaker into a venue
KR102249689B1 (ko) * 2014-06-24 2021-05-10 삼성전자 주식회사 전자장치, 무선신호 수신 방법 및 그것을 구비한 시스템

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2844712A (en) * 1954-01-14 1958-07-22 Rca Corp Automatic power reducer for transmitters
JPS5722245B2 (de) * 1974-12-28 1982-05-12
US4475242A (en) * 1982-11-10 1984-10-02 Marc Rafal Microwave communications system
JPH0815350B2 (ja) * 1986-05-09 1996-02-14 日本電気株式会社 無線電話装置
JPH0815354B2 (ja) * 1986-10-30 1996-02-14 日本電気株式会社 無線電話装置
CA1282837C (en) * 1987-03-20 1991-04-09 Tetsuya Hanawa Apparatus for selecting control channel in mobile communication system
GB2204202B (en) * 1987-04-28 1991-11-27 Racal Communications Equip Radio transmitters
DE3726245A1 (de) * 1987-08-07 1989-02-16 Boewe Passat Reinigung Verfahren und vorrichtung zum rueckgewinnen von loesemittelgasen aus einem luftstrom
JP2546347B2 (ja) * 1988-08-15 1996-10-23 日本電気株式会社 無線送受信装置
US5001776A (en) * 1988-10-27 1991-03-19 Motorola Inc. Communication system with adaptive transceivers to control intermodulation distortion
JP2854346B2 (ja) * 1989-09-19 1999-02-03 日本電信電話株式会社 チャネル割当方法

Also Published As

Publication number Publication date
AU635576B2 (en) 1993-03-25
CA2028895C (en) 1995-10-17
EP0429871A2 (de) 1991-06-05
DE69024920D1 (de) 1996-02-29
US5239683A (en) 1993-08-24
AU6573890A (en) 1991-05-09
CA2028895A1 (en) 1991-05-01
JPH03145346A (ja) 1991-06-20
EP0429871B1 (de) 1996-01-17
EP0429871A3 (en) 1992-06-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee