DE29824762U1 - Elektronische Schaltung für einen Sender für drahtlose Kommunikation - Google Patents

Elektronische Schaltung für einen Sender für drahtlose Kommunikation

Info

Publication number
DE29824762U1
DE29824762U1 DE29824762U DE29824762U DE29824762U1 DE 29824762 U1 DE29824762 U1 DE 29824762U1 DE 29824762 U DE29824762 U DE 29824762U DE 29824762 U DE29824762 U DE 29824762U DE 29824762 U1 DE29824762 U1 DE 29824762U1
Authority
DE
Germany
Prior art keywords
symbols
electronic circuit
transmit
sendeantennenleitpfad
transmit sequence
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.)
Expired - Lifetime
Application number
DE29824762U
Other languages
English (en)
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.)
New Cingular Wireless Services Inc
Original Assignee
New Cingular Wireless Services Inc
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
Priority to US5901697P priority Critical
Priority to US5921997P priority
Priority to US6378097P priority
Application filed by New Cingular Wireless Services Inc filed Critical New Cingular Wireless Services Inc
Priority to EP98944605A priority patent/EP1016228B1/de
Publication of DE29824762U1 publication Critical patent/DE29824762U1/de
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/02Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618Space-time coding
    • 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
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • 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
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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 weighted versions of same signal
    • 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
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0667Diversity 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
    • H04B7/0669Diversity 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
    • 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
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842Weighted combining
    • H04B7/0845Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
    • 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
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842Weighted combining
    • H04B7/0848Joint weighting
    • H04B7/0854Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • 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
    • H04B7/12Frequency diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045Arrangements at the receiver end
    • H04L1/0054Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/02Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/04Arrangements for detecting or preventing errors in the information received by diversity reception using frequency diversity
    • 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
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • 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
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842Weighted combining
    • H04B7/0848Joint weighting
    • H04B7/0857Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
    • 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
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0891Space-time diversity

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt

Der Beschreibungstext wurde nicht elektronisch erfaßt

Der Beschreibungstext wurde nicht elektronisch erfaßt

Der Beschreibungstext wurde nicht elektronisch erfaßt

Der Beschreibungstext wurde nicht elektronisch erfaßt

Der Beschreibungstext wurde nicht elektronisch erfaßt

Der Beschreibungstext wurde nicht elektronisch erfaßt

Der Beschreibungstext wurde nicht elektronisch erfaßt

Der Beschreibungstext wurde nicht elektronisch erfaßt

Der Beschreibungstext wurde nicht elektronisch erfaßt

Der Beschreibungstext wurde nicht elektronisch erfaßt

Der Beschreibungstext wurde nicht elektronisch erfaßt

Claims (5)

1. Elektronische Schaltung zum Codieren von Kommunikationssignalen umfassend:
eine Codierungsschaltung, die in Antwort auf das Empfangen von eintreffenden Blö­ cken von Symbolen s0, s1 die Signale in Sendefolgen, die eine erste Sendefolge und eine zweite Sendefolge umfassen, codiert;
wobei die erste Sendefolge Symbole s0 und -s1* umfasst und die zweite Sendefolge Symbole s1 und s0* umfasst, wobei si* die komplex konjugierte Form von si ist und
wobei die Sendefolgen geleitet werden, um an mindestens zwei Sendeantennenein­ gänge weitergegeben zu werden, um Raumdiversität zu schaffen, wobei ein erster Sendeantennenleitpfad und ein zweiter Sendeantennenleitpfad vorgesehen ist, und wobei die erste Sendefolge an den ersten Sendeantennenleitpfad angelegt wird und die zweite Sendefolge an den zweiten Sendeantennenleitpfad angelegt wird.
2. Elektronische Schaltung nach Anspruch 1, wobei die eintreffenden Daten Blöcke von n Symbolen sind und die mindestens zwei Sendeantenneneingängen Sendeanten­ neneingänge umfassen.
3. Elektronische Schaltung nach Anspruch 1, wobei die mindestens zwei Sendeanten­ neneingänge K Sendeantenneneingänge umfassen, um K verschiedene Kanäle zu erreichen, wobei n.m Symbole auf die K Antennen über L Zeitintervalle zu verteilen sind, wobei K = m und L = n oder K = n und L = m.
4. Elektronische Schaltung nach Anspruch 1, wobei die mindestens zwei Sendeanten­ neneingänge K Sendeantenneneingänge umfassen, um K verschiedene Kanäle zu erreichen, wobei n.m Symbole auf die K Antennen über L Frequenzen zu verteilen sind, wobei K = m und L = n oder K = n und L = m.
5. Elektronische Schaltung nach einem der Ansprüche 1 bis 4, wobei die Blöcke von Symbolen Symbole mit gleicher Energie umfassen.
DE29824762U 1997-09-16 1998-08-31 Elektronische Schaltung für einen Sender für drahtlose Kommunikation Expired - Lifetime DE29824762U1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US5901697P true 1997-09-16 1997-09-16
US5921997P true 1997-09-18 1997-09-18
US6378097P true 1997-10-31 1997-10-31
EP98944605A EP1016228B1 (de) 1997-09-16 1998-08-31 Senderdiversitytechnik für schnurlose kommunikation

Publications (1)

Publication Number Publication Date
DE29824762U1 true DE29824762U1 (de) 2002-06-13

Family

ID=27443791

Family Applications (5)

Application Number Title Priority Date Filing Date
DE29824760U Expired - Lifetime DE29824760U1 (de) 1997-09-16 1998-08-31 Empfänger für drahtlose Kommunikation
DE29824762U Expired - Lifetime DE29824762U1 (de) 1997-09-16 1998-08-31 Elektronische Schaltung für einen Sender für drahtlose Kommunikation
DE29824763U Expired - Lifetime DE29824763U1 (de) 1997-09-16 1998-08-31 Sender für drahtlose Kommunikation
DE29824761U Expired - Lifetime DE29824761U1 (de) 1997-09-16 1998-08-31 System für drahtlose Kommunikation
DE29824765U Expired - Lifetime DE29824765U1 (de) 1997-09-16 1998-08-31 Elektronische Schaltung für einen Empfänger für drahtlose Kommunikation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE29824760U Expired - Lifetime DE29824760U1 (de) 1997-09-16 1998-08-31 Empfänger für drahtlose Kommunikation

Family Applications After (3)

Application Number Title Priority Date Filing Date
DE29824763U Expired - Lifetime DE29824763U1 (de) 1997-09-16 1998-08-31 Sender für drahtlose Kommunikation
DE29824761U Expired - Lifetime DE29824761U1 (de) 1997-09-16 1998-08-31 System für drahtlose Kommunikation
DE29824765U Expired - Lifetime DE29824765U1 (de) 1997-09-16 1998-08-31 Elektronische Schaltung für einen Empfänger für drahtlose Kommunikation

Country Status (2)

Country Link
EP (1) EP1372271A3 (de)
DE (5) DE29824760U1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6741635B2 (en) 1997-12-23 2004-05-25 At&T Wireless Services, Inc. Near-optimal low-complexity decoding of space-time codes for fixed wireless applications
US6775329B2 (en) 1997-09-16 2004-08-10 At&T Wireless Services, Inc. Transmitter diversity technique for wireless communications
US6807240B2 (en) 1997-10-31 2004-10-19 At&T Wireless Services, Inc. Low complexity maximum likelihood detection of concatenate space codes for wireless applications
US7274752B2 (en) 1998-09-17 2007-09-25 Cingular Wireless Ii, Llc Maximum ratio transmission

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8130855B2 (en) 2004-11-12 2012-03-06 Interdigital Technology Corporation Method and apparatus for combining space-frequency block coding, spatial multiplexing and beamforming in a MIMO-OFDM system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001692A (en) * 1975-07-07 1977-01-04 Barry Research Corporation Time diversity data transmission apparatus
US4369516A (en) * 1980-09-15 1983-01-18 Motorola, Inc. Self-clocking data transmission system
US5461646A (en) * 1993-12-29 1995-10-24 Tcsi Corporation Synchronization apparatus for a diversity receiver
US5499272A (en) * 1994-05-31 1996-03-12 Ericsson Ge Mobile Communications Inc. Diversity receiver for signals with multipath time dispersion
US5848103A (en) * 1995-10-04 1998-12-08 Lucent Technologies Inc. Method and apparatus for providing time diversity

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7386077B2 (en) 1997-09-16 2008-06-10 At&T Mobility Ii Llc Receiver diversity technique for wireless communications
US6775329B2 (en) 1997-09-16 2004-08-10 At&T Wireless Services, Inc. Transmitter diversity technique for wireless communications
US9203499B2 (en) 1997-09-16 2015-12-01 At&T Mobility Ii Llc Transmitter diversity technique for wireless communications
US8355475B2 (en) 1997-09-16 2013-01-15 At&T Mobility Ii Llc Diversity technique for wireless communications
US7916806B2 (en) 1997-09-16 2011-03-29 At&T Mobility Ii Llc Transmitter diversity technique for wireless communications
US7120200B2 (en) 1997-09-16 2006-10-10 Cingular Wireless Ii, Llc Transmitter diversity technique for wireless communications
US9749032B2 (en) 1997-09-16 2017-08-29 At&T Mobility Ii Llc Transmitter diversity technique for wireless communications
US8731107B2 (en) 1997-10-31 2014-05-20 At&T Mobility Ii Llc Low complexity maximum likelihood detection of concatenated space codes for wireless applications
US6807240B2 (en) 1997-10-31 2004-10-19 At&T Wireless Services, Inc. Low complexity maximum likelihood detection of concatenate space codes for wireless applications
US6853688B2 (en) 1997-10-31 2005-02-08 Cingular Wireless Ii, Llc Low complexity maximum likelihood detection of concatenated space codes for wireless applications
US7046737B2 (en) 1997-12-23 2006-05-16 Cingular Wireless Ii, Llc Near-optimal low-complexity decoding of space-time codes for wireless applications
US8179991B2 (en) 1997-12-23 2012-05-15 At&T Mobility Ii Llc Near-optimal low-complexity decoding of space-time codes for fixed wireless applications
US7526040B2 (en) 1997-12-23 2009-04-28 At&T Mobility Ii Llc Near-optimal low-complexity decoding of space-time codes for fixed wireless applications
US6741635B2 (en) 1997-12-23 2004-05-25 At&T Wireless Services, Inc. Near-optimal low-complexity decoding of space-time codes for fixed wireless applications
US7362823B2 (en) 1998-09-17 2008-04-22 Cingular Wireless Ii, Llc Maximum ratio transmission
US8520746B2 (en) 1998-09-17 2013-08-27 At&T Mobility Ii Llc Maximum ratio transmission
US7274752B2 (en) 1998-09-17 2007-09-25 Cingular Wireless Ii, Llc Maximum ratio transmission

Also Published As

Publication number Publication date
EP1372271A3 (de) 2005-01-12
EP1372271A2 (de) 2003-12-17
DE29824761U1 (de) 2002-06-13
DE29824765U1 (de) 2002-06-13
DE29824763U1 (de) 2002-06-13
DE29824760U1 (de) 2002-06-13

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20020718

R150 Term of protection extended to 6 years

Effective date: 20020718

R151 Term of protection extended to 8 years

Effective date: 20041013

R152 Term of protection extended to 10 years

Effective date: 20060908

R071 Expiry of right