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
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)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH229091A CH682195A5 (no) | 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 (no) | 1991-07-31 | 1991-07-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH682195A5 true CH682195A5 (no) | 1993-07-30 |
Family
ID=4230320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH229091A CH682195A5 (no) | 1991-07-31 | 1991-07-31 |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH682195A5 (no) |
DE (1) | DE4219677C2 (no) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995032558A2 (en) * | 1994-05-24 | 1995-11-30 | Nokia Telecommunications Oy | A method for improving connection quality in a cellular radio system, and a base station |
WO1999059263A1 (en) * | 1998-05-13 | 1999-11-18 | Samsung Electronics Co., Ltd. | Time-switched transmission diversity (tstd) device and controlling method thereof in mobile communication system |
Families Citing this family (9)
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 |
US6690665B1 (en) * | 1998-05-13 | 2004-02-10 | Samsung Electronics Co., Ltd. | Device and method for mobile station for receiving signals transmitted from a base station |
BR9906705A (pt) * | 1998-08-20 | 2000-09-05 | Samsung Electronics Co Ltd | Processo e dispositivo de comunicação de canal para um sistema de comunicação móvel usando diversidade de antena de transmissão, processo para selecionar, em uma estação móvel, uma antena de transmissão em uma estação base em um sistema de comunicação móvel usando diversidade de antena de transmissão, e, dispositivo de estação base |
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)
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 |
-
1991
- 1991-07-31 CH CH229091A patent/CH682195A5/de not_active IP Right Cessation
-
1992
- 1992-06-16 DE DE19924219677 patent/DE4219677C2/de not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995032558A2 (en) * | 1994-05-24 | 1995-11-30 | Nokia Telecommunications Oy | A method for improving connection quality in a cellular radio system, and a base station |
WO1995032558A3 (en) * | 1994-05-24 | 1995-12-28 | Nokia Telecommunications Oy | A method for improving connection quality in a cellular radio system, and a base station |
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 (en) * | 1998-05-13 | 1999-11-18 | Samsung Electronics Co., Ltd. | Time-switched transmission diversity (tstd) device and controlling method thereof in mobile communication system |
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |