SE467385B - Foerfarande foer att minska risken foer daalig mottagning i ett mobiltelefonisystem - Google Patents

Foerfarande foer att minska risken foer daalig mottagning i ett mobiltelefonisystem

Info

Publication number
SE467385B
SE467385B SE9003197A SE9003197A SE467385B SE 467385 B SE467385 B SE 467385B SE 9003197 A SE9003197 A SE 9003197A SE 9003197 A SE9003197 A SE 9003197A SE 467385 B SE467385 B SE 467385B
Authority
SE
Sweden
Prior art keywords
information
polarization
transmitted
different
antennas
Prior art date
Application number
SE9003197A
Other languages
English (en)
Swedish (sv)
Other versions
SE9003197L (sv
SE9003197D0 (sv
Inventor
S E P Kaellander
Original Assignee
Ericsson Telefon Ab L M
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 Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9003197A priority Critical patent/SE467385B/sv
Publication of SE9003197D0 publication Critical patent/SE9003197D0/xx
Priority to DE69109601T priority patent/DE69109601T2/de
Priority to EP91850215A priority patent/EP0479744B1/de
Priority to CA002051738A priority patent/CA2051738C/en
Priority to AU85637/91A priority patent/AU649271B2/en
Priority to US07/771,216 priority patent/US5267268A/en
Priority to JP25805691A priority patent/JP3151247B2/ja
Publication of SE9003197L publication Critical patent/SE9003197L/
Publication of SE467385B publication Critical patent/SE467385B/sv

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B14/00Transmission systems not characterised by the medium used for transmission
    • H04B14/002Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
    • H04B14/008Polarisation modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/10Polarisation 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)
SE9003197A 1990-10-05 1990-10-05 Foerfarande foer att minska risken foer daalig mottagning i ett mobiltelefonisystem SE467385B (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE9003197A SE467385B (sv) 1990-10-05 1990-10-05 Foerfarande foer att minska risken foer daalig mottagning i ett mobiltelefonisystem
DE69109601T DE69109601T2 (de) 1990-10-05 1991-09-05 Verfahren zur Reduzierung der Gefahr des schlechten Empfangs in einem zeitmultiplexen Funkübertragungssystem.
EP91850215A EP0479744B1 (de) 1990-10-05 1991-09-05 Verfahren zur Reduzierung der Gefahr des schlechten Empfangs in einem zeitmultiplexen Funkübertragungssystem
CA002051738A CA2051738C (en) 1990-10-05 1991-09-18 Method for reducing the risk of poor reception in a mobile telephony system
AU85637/91A AU649271B2 (en) 1990-10-05 1991-10-04 A method for reducing the risk of poor reception in a mobile telephony system
US07/771,216 US5267268A (en) 1990-10-05 1991-10-04 Method for reducing the risk of poor reception in a mobile telephony system
JP25805691A JP3151247B2 (ja) 1990-10-05 1991-10-04 移動無線電話システムに於ける受信不良低減方法

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
SE9003197D0 SE9003197D0 (sv) 1990-10-05
SE9003197L SE9003197L (sv) 1992-04-06
SE467385B true SE467385B (sv) 1992-07-06

Family

ID=20380579

Family Applications (1)

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

Country Status (7)

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

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 (de) 2000-09-20 2004-12-08 Lucent Technologies Inc. Funksystem, Antennenanordnung und Polarisationsmodulator zur Erzeugung eines Sendesignals mit veränderlicher Polarisation
EP1303059B1 (de) * 2001-10-09 2006-08-23 Lucent Technologies Inc. Verfahren und Vorrichtung zum Erzeugen von einer Diversityübertragung in drahtlosen Kommunikationssystemen anhand von Antennenhopping-Sequenzen und/oder Polarisationshopping-Sequencen
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 (de) * 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 (de) 1992-04-08
EP0479744B1 (de) 1995-05-10
SE9003197L (sv) 1992-04-06
US5267268A (en) 1993-11-30
AU8563791A (en) 1993-04-29
DE69109601D1 (de) 1995-06-14
CA2051738C (en) 1999-11-16
JP3151247B2 (ja) 2001-04-03
DE69109601T2 (de) 1995-09-28
JPH04260227A (ja) 1992-09-16
AU649271B2 (en) 1994-05-19
SE9003197D0 (sv) 1990-10-05
CA2051738A1 (en) 1992-04-06

Similar Documents

Publication Publication Date Title
US6996418B2 (en) Apparatus and method for OFDM data communications
FI77758C (fi) Foerfarande och anordning foer oeverfoering av meddelanden i digitala radiosaendningssystem.
CA2221828A1 (en) Digital communications on overlapping channels
DE69708151T2 (de) Übertragungsmodus für vorwärtsverbindung in cdma zellular kommunikationssystem mit steuerbaren und verteilten antennen
KR940017330A (ko) 통신방법 및 시스템
KR100252932B1 (ko) 코드분할다중접속셀룰러전화시스템에서주파수간핸드오프제어방법
JP3902920B2 (ja) 送信ダイバーシチを有する符号分割多元接続基地局
KR900005717A (ko) 셀룰러 데이타 시스템
BRPI9810855B1 (pt) método e aparelho para transmissão de sinais em um sistema de comunicação
US20020197986A1 (en) Cellular communications system featuring a central radio pool/traffic router
AU695327B2 (en) Diversity combining for antennas
WO1998019481A3 (en) Method and apparatus for providing high speed data communications in a cellular environment
KR19990088052A (ko) 다중반송파광대역시디엠에이시스템에서의전력제어를제공하는방법및장치
KR19990058978A (ko) 코드분할다중접속 셀룰러 시스템에서 다중코드를 이용한 주파수 간 핸드오프 제어방법
WO2001043309A3 (en) Adaptive antenna array wireless data access point
KR101452475B1 (ko) 무선 통신 방법, 시스템 및 장치
US9420594B1 (en) Methods and apparatus for adaptively selecting a communications mode in high frequency systems
SE467385B (sv) Foerfarande foer att minska risken foer daalig mottagning i ett mobiltelefonisystem
KR100253019B1 (ko) 버스트 모드 디지털 무선 수신기의 성능 향상을 위한 장치 및 방법
AU693555B2 (en) A method for improving connection quality in a cellular radio system, and a base station
SE464551B (sv) Foerfarande foer att minska risken foer daalig mottagning i ett tidsmultiplext radiokommunikationssystem
US6539010B1 (en) Downlink power control and adaptive beamforming for half-rate radiocommunication systems
JP2003526253A (ja) 無線送信器を含ませて無線リンク動作を改善する方法
RU2396714C1 (ru) Способ распределения опорных сигналов в системе с многими входами и многими выходами (mimo)
FI953724A (fi) Kiinteä radioasema tai matkaviestin SDMA-matkaviestinjärjestelmään

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 9003197-2

Format of ref document f/p: F

NUG Patent has lapsed