WO2006105770A3 - Transmission method in a radio communications system comprising several transmit and receive branches in the base station - Google Patents

Transmission method in a radio communications system comprising several transmit and receive branches in the base station Download PDF

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Publication number
WO2006105770A3
WO2006105770A3 PCT/DE2006/000592 DE2006000592W WO2006105770A3 WO 2006105770 A3 WO2006105770 A3 WO 2006105770A3 DE 2006000592 W DE2006000592 W DE 2006000592W WO 2006105770 A3 WO2006105770 A3 WO 2006105770A3
Authority
WO
WIPO (PCT)
Prior art keywords
receive
transmit
base station
diversity
data
Prior art date
Application number
PCT/DE2006/000592
Other languages
German (de)
French (fr)
Other versions
WO2006105770B1 (en
WO2006105770A2 (en
Inventor
Klaus Jaeckel
Reinhard Schiffel
Holger Vogel
Original Assignee
Accelant Comm Gmbh
Klaus Jaeckel
Reinhard Schiffel
Holger Vogel
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 Accelant Comm Gmbh, Klaus Jaeckel, Reinhard Schiffel, Holger Vogel filed Critical Accelant Comm Gmbh
Publication of WO2006105770A2 publication Critical patent/WO2006105770A2/en
Publication of WO2006105770A3 publication Critical patent/WO2006105770A3/en
Publication of WO2006105770B1 publication Critical patent/WO2006105770B1/en

Links

Classifications

    • 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
    • H04L1/0618—Space-time coding
    • H04L1/0637—Properties of the code
    • 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
    • H04B7/0613—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 simultaneous transmission
    • H04B7/0667—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 simultaneous transmission of delayed versions of same signal
    • H04B7/0669—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 simultaneous transmission of delayed versions of same signal using different channel coding between antennas
    • 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
    • H04L1/0618—Space-time coding
    • H04L1/0625—Transmitter arrangements
    • 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
    • H04L1/0618—Space-time coding
    • H04L1/0631—Receiver arrangements

Abstract

The invention relates to a radio communications system comprising a base station and a plurality of subscriber stations. Said system uses DS CDM/CDMA with embedded TDM/TDMA and TDD. The base station comprises at least two independent transmit and receive branches and achieves transmit and receive diversity. Various diversity methods are used in the downlink direction for specific data types: an orthogonal transmit diversity (OTD) is used for the preamble symbols of timeslots; a space time transmit diversity (STTD) is used for the data of a broadcast channel (BCH); and traffic data is emitted individually for each subscriber station via a respective transmit branch, which has been identified as the most suitable by the subscriber station. Various diversity methods are also used in the uplink direction: maximum ratio combining is used for data of a random access channels (RACH), (a phase-corrected addition of the receive values of all receive branches); selective combining is used for the preamble symbols of the timeslots (utilisation of the most powerful receive values); and traffic data is only decoded in the receive branch that has been determined as the most suitable upon receipt of the preamble symbols.
PCT/DE2006/000592 2005-04-08 2006-04-01 Transmission method in a radio communications system comprising several transmit and receive branches in the base station WO2006105770A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005017080.3 2005-04-08
DE200510017080 DE102005017080B4 (en) 2005-04-08 2005-04-08 Transmission method in a radio system with multiple transmission / reception branches in the base station

Publications (3)

Publication Number Publication Date
WO2006105770A2 WO2006105770A2 (en) 2006-10-12
WO2006105770A3 true WO2006105770A3 (en) 2007-03-22
WO2006105770B1 WO2006105770B1 (en) 2007-05-24

Family

ID=36659789

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2006/000592 WO2006105770A2 (en) 2005-04-08 2006-04-01 Transmission method in a radio communications system comprising several transmit and receive branches in the base station

Country Status (2)

Country Link
DE (1) DE102005017080B4 (en)
WO (1) WO2006105770A2 (en)

Citations (4)

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EP0993130A2 (en) * 1998-10-07 2000-04-12 Texas Instruments Incorporated Space time block coded transmit antenna diversity for WCDMA
US6317410B1 (en) * 1999-09-13 2001-11-13 Lucent Technologies Inc. Receiver architecture employing space time spreading and orthogonal transmit diversity techniques
DE10056087A1 (en) * 2000-11-07 2002-05-16 Iq Wireless Gmbh Entwicklungsg Wireless point-to-multipoint communication system apparatus transmits signaling data, IP data and OA and M data in common physical channel

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US6678311B2 (en) * 1996-05-28 2004-01-13 Qualcomm Incorporated High data CDMA wireless communication system using variable sized channel codes
US6038263A (en) * 1997-07-31 2000-03-14 Motorola, Inc. Method and apparatus for transmitting signals in a communication system
US6185258B1 (en) * 1997-09-16 2001-02-06 At&T Wireless Services Inc. Transmitter diversity technique for wireless communications
EP0960487B1 (en) * 1997-10-31 2006-03-08 AT&T Wireless Services, Inc. Maximum likelihood detection of concatenated space-time codes for wireless applications with transmitter diversity
US6304581B1 (en) * 1999-02-16 2001-10-16 Motorola, Inc. Interleaving method and apparatus for orthogonal transmit diversity and multi-carriers CDMA communication systems
US6421327B1 (en) * 1999-06-28 2002-07-16 Qualcomm Incorporated Method and apparatus for controlling transmission energy in a communication system employing orthogonal transmit diversity
US6392988B1 (en) * 1999-09-13 2002-05-21 Lucent Technologies Inc. Transmitter architecture employing space time spreading and orthogonal transmit diversity techniques
US6660354B2 (en) * 2000-02-29 2003-12-09 3M Innovative Properties Company Release material, release material article, and process for producing the release material article
US7106802B1 (en) * 2000-09-28 2006-09-12 Nokia Corporation Apparatus, and associated method, for forming a modulated signal utilizing OTD and TCM techniques
US7065148B2 (en) * 2000-11-06 2006-06-20 Broadcom Corporation Super-orthogonal space-time trellis codes, and applications thereof
US7050510B2 (en) * 2000-12-29 2006-05-23 Lucent Technologies Inc. Open-loop diversity technique for systems employing four transmitter antennas
US7042955B2 (en) * 2001-07-30 2006-05-09 Lucent Technologies Inc. Space time spreading and phase sweep transmit diversity
US6920314B2 (en) * 2001-07-30 2005-07-19 Lucent Technologies Inc. Symmetric sweep phase sweep transmit diversity
US7184488B2 (en) * 2002-03-15 2007-02-27 Lucent Technologies Inc. Quasi-orthogonal space-time codes
CN1555604A (en) * 2002-04-04 2004-12-15 连宇通信有限公司 Method for time-space block coding based on hyper-set partition principle
WO2003085877A1 (en) * 2002-04-04 2003-10-16 Linkair Communications, Inc. A method for encoding space-time trellis in reyleigh channel
AU2002252946A1 (en) * 2002-04-05 2003-10-27 Linkair Communications, Inc. A method and device for space-time-frequency turbo encoding
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US7095709B2 (en) * 2002-06-24 2006-08-22 Qualcomm, Incorporated Diversity transmission modes for MIMO OFDM communication systems
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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0881781A2 (en) * 1997-05-29 1998-12-02 Matsushita Electric Industrial Co., Ltd. Method and apparatus for transmission diversity in CDMA systems
EP0993130A2 (en) * 1998-10-07 2000-04-12 Texas Instruments Incorporated Space time block coded transmit antenna diversity for WCDMA
US6317410B1 (en) * 1999-09-13 2001-11-13 Lucent Technologies Inc. Receiver architecture employing space time spreading and orthogonal transmit diversity techniques
DE10056087A1 (en) * 2000-11-07 2002-05-16 Iq Wireless Gmbh Entwicklungsg Wireless point-to-multipoint communication system apparatus transmits signaling data, IP data and OA and M data in common physical channel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JALLOUL L M A ET AL: "Performance analysis of CDMA transmit diversity methods", VEHICULAR TECHNOLOGY CONFERENCE, 1999. VTC 1999 - FALL. IEEE VTS 50TH AMSTERDAM, NETHERLANDS 19-22 SEPT. 1999, PISCATAWAY, NJ, USA,IEEE, US, vol. 3, 19 September 1999 (1999-09-19), pages 1326 - 1330, XP010353215, ISBN: 0-7803-5435-4 *

Also Published As

Publication number Publication date
DE102005017080B4 (en) 2007-07-26
DE102005017080A1 (en) 2006-10-19
WO2006105770B1 (en) 2007-05-24
WO2006105770A2 (en) 2006-10-12

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