CH682195A5 - - Google Patents

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Publication number
CH682195A5
CH682195A5 CH229091A CH229091A CH682195A5 CH 682195 A5 CH682195 A5 CH 682195A5 CH 229091 A CH229091 A CH 229091A CH 229091 A CH229091 A CH 229091A CH 682195 A5 CH682195 A5 CH 682195A5
Authority
CH
Switzerland
Prior art keywords
symbols
mobile radio
base station
antennas
transmission antennas
Prior art date
Application number
CH229091A
Other languages
German (de)
English (en)
Inventor
Christian Schlegel
Original Assignee
Ascom Tech Ag
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 Ascom Tech Ag filed Critical Ascom Tech Ag
Priority to CH229091A priority Critical patent/CH682195A5/de
Priority to DE19924219677 priority patent/DE4219677C2/de
Publication of CH682195A5 publication Critical patent/CH682195A5/de

Links

Classifications

    • 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
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
    • H04B7/0604—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching with predefined switching scheme
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041—Arrangements at the transmitter end
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
CH229091A 1991-07-31 1991-07-31 CH682195A5 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH229091A CH682195A5 (fr) 1991-07-31 1991-07-31
DE19924219677 DE4219677C2 (de) 1991-07-31 1992-06-16 Verfahren zum Übertragen digitaler Daten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH229091A CH682195A5 (fr) 1991-07-31 1991-07-31

Publications (1)

Publication Number Publication Date
CH682195A5 true CH682195A5 (fr) 1993-07-30

Family

ID=4230320

Family Applications (1)

Application Number Title Priority Date Filing Date
CH229091A CH682195A5 (fr) 1991-07-31 1991-07-31

Country Status (2)

Country Link
CH (1) CH682195A5 (fr)
DE (1) DE4219677C2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995032558A3 (fr) * 1994-05-24 1995-12-28 Nokia Telecommunications Oy Procede permettant l'amelioration de la qualite des liaisons dans un systeme de radiocommunications cellulaire, et station de base associee
WO1999059263A1 (fr) * 1998-05-13 1999-11-18 Samsung Electronics Co., Ltd. Dispositif avec fonction de diversite de transmission a commutation temporelle (tstd) et procede de commande de celui-ci dans un systeme de communications mobiles

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19535358C1 (de) * 1995-09-22 1997-03-06 Siemens Ag Verfahren und Schaltungsanordnung zur Verarbeitung von Nutzdaten
SE518016C2 (sv) * 1995-11-10 2002-08-13 Telia Ab Metod och anordning för att minska fädning i mobilradiosystem
KR100433901B1 (ko) 1998-02-21 2004-11-06 삼성전자주식회사 이동통신시스템의시간스위칭송신다이버시티장치
US6205127B1 (en) * 1998-04-21 2001-03-20 Lucent Technologies, Inc. Wireless telecommunications system that mitigates the effect of multipath fading
JP3423292B2 (ja) * 1998-05-13 2003-07-07 サムスン エレクトロニクス カンパニー リミテッド 基地局から伝送される信号を受信する移動局装置及び方法
CN1121099C (zh) * 1998-08-20 2003-09-10 三星电子株式会社 使用发射天线分集的移动通信系统的信道通信设备和方法
US6704370B1 (en) 1998-10-09 2004-03-09 Nortel Networks Limited Interleaving methodology and apparatus for CDMA
US6853689B1 (en) * 1999-07-15 2005-02-08 Telefonaktiebolaget Lm Ericsson Method and apparatus for channel estimation with transmit diversity
GB2387515A (en) 2002-04-08 2003-10-15 Ipwireless Inc Mapping bits to at least two channels using two interleavers, one for systematic bits, and the other for parity bits

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1578469A (en) * 1977-11-05 1980-11-05 Marconi Co Ltd Tropospheric scatter radio communications systems
JPH0338932A (ja) * 1989-07-06 1991-02-20 Oki Electric Ind Co Ltd スペースダイバーシチ方式

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995032558A3 (fr) * 1994-05-24 1995-12-28 Nokia Telecommunications Oy Procede permettant l'amelioration de la qualite des liaisons dans un systeme de radiocommunications cellulaire, et station de base associee
AU693555B2 (en) * 1994-05-24 1998-07-02 Nokia Telecommunications Oy A method for improving connection quality in a cellular radio system, and a base station
WO1999059263A1 (fr) * 1998-05-13 1999-11-18 Samsung Electronics Co., Ltd. Dispositif avec fonction de diversite de transmission a commutation temporelle (tstd) et procede de commande de celui-ci dans un systeme de communications mobiles
AU752782B2 (en) * 1998-05-13 2002-10-03 Samsung Electronics Co., Ltd. Time-switched transmission diversity (TSTD) device and controlling method thereof in mobile communication system

Also Published As

Publication number Publication date
DE4219677A1 (de) 1993-02-04
DE4219677C2 (de) 2000-05-11

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