CA2051738A1 - Methode pour reduire le risque d'une mauvaise reception dans un systeme telephonique mobile - Google Patents

Methode pour reduire le risque d'une mauvaise reception dans un systeme telephonique mobile

Info

Publication number
CA2051738A1
CA2051738A1 CA2051738A CA2051738A CA2051738A1 CA 2051738 A1 CA2051738 A1 CA 2051738A1 CA 2051738 A CA2051738 A CA 2051738A CA 2051738 A CA2051738 A CA 2051738A CA 2051738 A1 CA2051738 A1 CA 2051738A1
Authority
CA
Canada
Prior art keywords
risk
reducing
mobile telephony
poor reception
telephony system
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
Application number
CA2051738A
Other languages
English (en)
Other versions
CA2051738C (fr
Inventor
Stefan Erik Paulus Kallander
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2051738A1 publication Critical patent/CA2051738A1/fr
Application granted granted Critical
Publication of CA2051738C publication Critical patent/CA2051738C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
    • H04B14/008—Polarisation modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/10—Polarisation diversity; Directional diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
CA002051738A 1990-10-05 1991-09-18 Methode pour reduire le risque d'une mauvaise reception dans un systeme telephonique mobile Expired - Fee Related CA2051738C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9003197-2 1990-10-05
SE9003197A SE467385B (sv) 1990-10-05 1990-10-05 Foerfarande foer att minska risken foer daalig mottagning i ett mobiltelefonisystem

Publications (2)

Publication Number Publication Date
CA2051738A1 true CA2051738A1 (fr) 1992-04-06
CA2051738C CA2051738C (fr) 1999-11-16

Family

ID=20380579

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002051738A Expired - Fee Related CA2051738C (fr) 1990-10-05 1991-09-18 Methode pour reduire le risque d'une mauvaise reception dans un systeme telephonique mobile

Country Status (7)

Country Link
US (1) US5267268A (fr)
EP (1) EP0479744B1 (fr)
JP (1) JP3151247B2 (fr)
AU (1) AU649271B2 (fr)
CA (1) CA2051738C (fr)
DE (1) DE69109601T2 (fr)
SE (1) SE467385B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19546599C2 (de) * 1995-12-13 1999-07-29 Siemens Ag Sendeeinrichtung
ATE195040T1 (de) * 1996-09-20 2000-08-15 Siemens Ag Polarisationsdiversity-system für mobilkommunikation mit adaptiver gestaltung der abstrahlungscharakteristik
US6181920B1 (en) * 1997-10-20 2001-01-30 Ericsson Inc. Transmitter that selectively polarizes a radio wave
JP2003520545A (ja) * 2000-01-21 2003-07-02 モトローラ・インコーポレイテッド 偏波ダイバーシチを利用するワイヤレス通信のシステムおよび方法
EP1191710B1 (fr) 2000-09-20 2004-12-08 Lucent Technologies Inc. Système radio, agencement d'antenne et modulateur de polarisation pour la génération d'un signal de transmission avec polarisation variable
EP1303059B1 (fr) * 2001-10-09 2006-08-23 Lucent Technologies Inc. Procédé et dispositif de transmission en diversité dans un système de communication sans fils par l'utilisation de séquences de sauts d'antenne et/ou sauts de polarisation
JP2008271443A (ja) * 2007-04-24 2008-11-06 Brother Ind Ltd 無線送信装置及び無線通信装置
US8147049B2 (en) 2008-11-20 2012-04-03 Xerox Corporation Waste phase change ink recycling
US8162465B2 (en) 2008-11-20 2012-04-24 Xerox Corporation Waste phase change ink recycling
JP6228108B2 (ja) * 2014-12-18 2017-11-08 株式会社日立製作所 無線通信システム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2215759A1 (fr) * 1973-01-26 1974-08-23 Lafonta Paul
JPS609239A (ja) * 1983-06-27 1985-01-18 Nippon Telegr & Teleph Corp <Ntt> 符号伝送方式
FR2609224B1 (fr) * 1986-12-30 1989-04-07 Thomson Csf Dispositif et procede de transmission et/ou d'acquisition des donnees utilisant deux polarisations croisees d'une onde electromagnetique et dispositif d'enregistrement magnetique
JPH0744492B2 (ja) * 1988-06-15 1995-05-15 松下電工株式会社 偏波ダイバーシチ無線通信方式
JPH0624342B2 (ja) * 1988-06-29 1994-03-30 日本電気株式会社 アップリンク交差偏波補償装置

Also Published As

Publication number Publication date
EP0479744A1 (fr) 1992-04-08
EP0479744B1 (fr) 1995-05-10
SE9003197L (sv) 1992-04-06
US5267268A (en) 1993-11-30
AU8563791A (en) 1993-04-29
DE69109601D1 (de) 1995-06-14
CA2051738C (fr) 1999-11-16
JP3151247B2 (ja) 2001-04-03
DE69109601T2 (de) 1995-09-28
JPH04260227A (ja) 1992-09-16
SE467385B (sv) 1992-07-06
AU649271B2 (en) 1994-05-19
SE9003197D0 (sv) 1990-10-05

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 20040920