DE69722415D1 - Verbesserungen bei, oder in bezug auf, steuerkanäle für nachrichtenübertragungssysteme - Google Patents
Verbesserungen bei, oder in bezug auf, steuerkanäle für nachrichtenübertragungssystemeInfo
- Publication number
- DE69722415D1 DE69722415D1 DE69722415T DE69722415T DE69722415D1 DE 69722415 D1 DE69722415 D1 DE 69722415D1 DE 69722415 T DE69722415 T DE 69722415T DE 69722415 T DE69722415 T DE 69722415T DE 69722415 D1 DE69722415 D1 DE 69722415D1
- Authority
- DE
- Germany
- Prior art keywords
- data
- control
- user data
- unique
- regard
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/345—Modifications of the signal space to allow the transmission of additional information
- H04L27/3461—Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
- H04L5/0046—Determination of how many bits are transmitted on different sub-channels
-
- 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
- H04L1/0064—Concatenated codes
- H04L1/0065—Serial concatenated 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Communication Control (AREA)
- Selective Calling Equipment (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9603195 | 1996-09-02 | ||
SE9603195A SE506642C2 (sv) | 1996-05-24 | 1996-09-02 | Förbättringar av, eller med avseende på, multibärvågssystem |
PCT/SE1997/001458 WO1998010553A2 (en) | 1996-09-02 | 1997-09-01 | Improvements in, or relating to, control channels for telecommunications transmission systems |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69722415D1 true DE69722415D1 (de) | 2003-07-03 |
DE69722415T2 DE69722415T2 (de) | 2004-05-06 |
Family
ID=20403753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69722415T Expired - Fee Related DE69722415T2 (de) | 1996-09-02 | 1997-09-01 | Verbesserungen bei, oder in bezug auf, steuerkanäle für nachrichtenübertragungssysteme |
Country Status (7)
Country | Link |
---|---|
US (1) | US6538986B2 (de) |
EP (1) | EP0923824B1 (de) |
JP (1) | JP2000517512A (de) |
AT (1) | ATE241879T1 (de) |
DE (1) | DE69722415T2 (de) |
NO (1) | NO990775L (de) |
WO (1) | WO1998010553A2 (de) |
Families Citing this family (67)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6904110B2 (en) | 1997-07-31 | 2005-06-07 | Francois Trans | Channel equalization system and method |
US6324167B1 (en) * | 1999-02-23 | 2001-11-27 | Ameritech Corporation | Method and system for conveying multiple calls on a single telephone line |
US7050574B1 (en) * | 1999-09-30 | 2006-05-23 | Stmicroelectronics, Inc. | Telephone line interface circuit and method |
JP3685687B2 (ja) * | 2000-06-23 | 2005-08-24 | 株式会社日立国際電気 | ディジタル変調伝送方法 |
US7012881B2 (en) * | 2000-12-29 | 2006-03-14 | Samsung Electronic Co., Ltd. | Timing and frequency offset estimation scheme for OFDM systems by using an analytic tone |
US7263130B1 (en) * | 2001-05-25 | 2007-08-28 | 3Com Corporation | Method and apparatus for evaluating error control parameters of self-similar constellations |
US7773699B2 (en) * | 2001-10-17 | 2010-08-10 | Nortel Networks Limited | Method and apparatus for channel quality measurements |
JP3836019B2 (ja) * | 2001-11-21 | 2006-10-18 | 松下電器産業株式会社 | 受信装置、送信装置及び送信方法 |
US20030231726A1 (en) * | 2002-06-12 | 2003-12-18 | Andreas Schuchert | Arrangement and method for frequency domain compensation of OFDM signals with IQ imbalance |
KR100788653B1 (ko) * | 2002-11-07 | 2007-12-26 | 삼성전자주식회사 | Ofdm 기반 동기 검출 장치 및 방법 |
US7760635B2 (en) * | 2002-11-13 | 2010-07-20 | Broadcom Corporation | Apparatus and method for latency control in a communications system |
US9544860B2 (en) * | 2003-02-24 | 2017-01-10 | Qualcomm Incorporated | Pilot signals for use in multi-sector cells |
US8514692B2 (en) | 2003-02-24 | 2013-08-20 | Qualcomm Incorporated | Methods and apparatus for determining, communicating and using information which can be used for interference control purposes |
US8811348B2 (en) * | 2003-02-24 | 2014-08-19 | Qualcomm Incorporated | Methods and apparatus for generating, communicating, and/or using information relating to self-noise |
US9661519B2 (en) * | 2003-02-24 | 2017-05-23 | Qualcomm Incorporated | Efficient reporting of information in a wireless communication system |
US7218948B2 (en) * | 2003-02-24 | 2007-05-15 | Qualcomm Incorporated | Method of transmitting pilot tones in a multi-sector cell, including null pilot tones, for generating channel quality indicators |
TW200522623A (en) | 2003-03-03 | 2005-07-01 | Interdigital Tech Corp | Reduced complexity sliding window based equalizer |
US7042967B2 (en) * | 2003-03-03 | 2006-05-09 | Interdigital Technology Corporation | Reduced complexity sliding window based equalizer |
US7668200B2 (en) * | 2003-06-30 | 2010-02-23 | Broadcom Corporation | Apparatus and method for latency control in a communications system |
JP4356392B2 (ja) | 2003-08-07 | 2009-11-04 | パナソニック株式会社 | 通信装置 |
US7406058B2 (en) * | 2003-08-13 | 2008-07-29 | Qualcomm, Incorporated | Methods and apparatus of transmitting user data using traffic channels |
CA2536358C (en) * | 2003-08-15 | 2011-09-27 | Research In Motion Uk Limited | Apparatus, and an associated method, for preserving service quality levels during hand-off in a radio communication system |
US7245674B2 (en) * | 2003-11-28 | 2007-07-17 | Texas Instruments Incorporated | Method and system for providing low power WLAN receiver |
US7859985B2 (en) * | 2004-03-22 | 2010-12-28 | Texas Instruments Incorporated | Control on at least one frequency selecting data carrier frequencies |
US7643582B2 (en) | 2004-06-09 | 2010-01-05 | Marvell World Trade Ltd. | Method and system for determining symbol boundary timing in a multicarrier data transmission system |
US7817730B2 (en) * | 2004-06-09 | 2010-10-19 | Marvell World Trade Ltd. | Training sequence for symbol boundary detection in a multicarrier data transmission system |
US7697619B2 (en) * | 2004-06-09 | 2010-04-13 | Marvell World Trade Ltd. | Training sequence for channel estimation in a data transmission system |
US7561626B2 (en) * | 2004-06-09 | 2009-07-14 | Marvell World Trade Ltd. | Method and system for channel estimation in a data transmission system |
ES2246708B1 (es) * | 2004-06-18 | 2007-04-01 | Diseño De Sistemas En Silicio, S.A. | Procedimiento para la obtencion de huecos espectrales en la transmision de señales por la red electrica. |
US20060092881A1 (en) * | 2004-10-14 | 2006-05-04 | Rajiv Laroia | Methods and apparatus for determining, communicating and using information which can be used for interference control purposes |
US8503938B2 (en) | 2004-10-14 | 2013-08-06 | Qualcomm Incorporated | Methods and apparatus for determining, communicating and using information including loading factors which can be used for interference control purposes |
US7561627B2 (en) | 2005-01-06 | 2009-07-14 | Marvell World Trade Ltd. | Method and system for channel equalization and crosstalk estimation in a multicarrier data transmission system |
EP3709554B1 (de) | 2005-08-23 | 2021-09-22 | Apple Inc. | Pilot-entwurf für ofdm systeme mit 4 sendeantennen |
US8989084B2 (en) | 2005-10-14 | 2015-03-24 | Qualcomm Incorporated | Methods and apparatus for broadcasting loading information corresponding to neighboring base stations |
US9191840B2 (en) * | 2005-10-14 | 2015-11-17 | Qualcomm Incorporated | Methods and apparatus for determining, communicating and using information which can be used for interference control |
US9338767B2 (en) | 2005-12-22 | 2016-05-10 | Qualcomm Incorporated | Methods and apparatus of implementing and/or using a dedicated control channel |
US9572179B2 (en) * | 2005-12-22 | 2017-02-14 | Qualcomm Incorporated | Methods and apparatus for communicating transmission backlog information |
US9473265B2 (en) * | 2005-12-22 | 2016-10-18 | Qualcomm Incorporated | Methods and apparatus for communicating information utilizing a plurality of dictionaries |
US9451491B2 (en) * | 2005-12-22 | 2016-09-20 | Qualcomm Incorporated | Methods and apparatus relating to generating and transmitting initial and additional control information report sets in a wireless system |
US20070149132A1 (en) | 2005-12-22 | 2007-06-28 | Junyl Li | Methods and apparatus related to selecting control channel reporting formats |
US9125093B2 (en) * | 2005-12-22 | 2015-09-01 | Qualcomm Incorporated | Methods and apparatus related to custom control channel reporting formats |
US9119220B2 (en) | 2005-12-22 | 2015-08-25 | Qualcomm Incorporated | Methods and apparatus for communicating backlog related information |
US9137072B2 (en) * | 2005-12-22 | 2015-09-15 | Qualcomm Incorporated | Methods and apparatus for communicating control information |
US9148795B2 (en) * | 2005-12-22 | 2015-09-29 | Qualcomm Incorporated | Methods and apparatus for flexible reporting of control information |
US8514771B2 (en) | 2005-12-22 | 2013-08-20 | Qualcomm Incorporated | Methods and apparatus for communicating and/or using transmission power information |
US9125092B2 (en) | 2005-12-22 | 2015-09-01 | Qualcomm Incorporated | Methods and apparatus for reporting and/or using control information |
US8437251B2 (en) | 2005-12-22 | 2013-05-07 | Qualcomm Incorporated | Methods and apparatus for communicating transmission backlog information |
US20070249360A1 (en) * | 2005-12-22 | 2007-10-25 | Arnab Das | Methods and aparatus related to determining, communicating, and/or using delay information in a wireless communications system |
US20070243882A1 (en) * | 2006-04-12 | 2007-10-18 | Qualcomm Incorporated | Method and apparatus for locating a wireless local area network associated with a wireless wide area network |
WO2007148796A1 (ja) * | 2006-06-23 | 2007-12-27 | Panasonic Corporation | 無線送信装置、無線受信装置、およびパイロット生成方法 |
DE602006013299D1 (de) * | 2006-07-03 | 2010-05-12 | St Microelectronics Belgium Nv | Reduktion des Crest-Faktors in Mehrtägerübertragungssystemen |
DE602006006081D1 (de) | 2006-12-27 | 2009-05-14 | Abb Technology Ag | Verfahren zur Bestimmung von Kanalqualität und Modem |
US7907679B2 (en) * | 2007-01-12 | 2011-03-15 | General Dynamics C4 Systems, Inc. | Methods and systems for acquiring signals using coherent match filtering |
US8139680B2 (en) * | 2007-01-12 | 2012-03-20 | General Dynamics C4 Systems, Inc. | Signal acquisition methods and apparatus in wireless communication systems |
US7769052B2 (en) * | 2007-04-13 | 2010-08-03 | Lantiq Deutschland Gmbh | Transient robust channel for communication systems |
EP2179525A4 (de) * | 2007-08-16 | 2014-06-11 | Ikanos Communications Inc | Verfahren und vorrichtung zur bitfehlerbestimmung bei mehrton-sende-/empfangsgeräten |
US8160190B2 (en) * | 2008-08-22 | 2012-04-17 | Redpine Signals, Inc. | IIR receive filter for OFDM baseband processor |
US8223906B2 (en) * | 2008-08-23 | 2012-07-17 | Redpine Signals, Inc. | Interpolation IIR filter for OFDM baseband processing |
US8165251B2 (en) * | 2008-08-23 | 2012-04-24 | Redpine Signals, Inc. | Interpolation IIR filter for OFDM baseband processing |
US8155220B2 (en) * | 2008-08-23 | 2012-04-10 | Redpine Signals, Inc. | IIR transmit filter for OFDM baseband processor |
US8179774B2 (en) * | 2009-01-30 | 2012-05-15 | Lantiq Deutschland Gmbh | Cross-talk coefficient updating in vector transmission |
US8887023B2 (en) * | 2009-03-20 | 2014-11-11 | Comtech Ef Data Corp. | Method of identifying a correct decoding codeward |
US8743762B2 (en) * | 2009-06-03 | 2014-06-03 | Intel Corporation | Partial DMM reception to reduce standby power |
US9660792B2 (en) * | 2012-06-30 | 2017-05-23 | Cable Television Laboratories, Inc. | Multi-carrier transmission |
EP3791690B1 (de) | 2018-05-07 | 2024-07-03 | Mavenir Networks, Inc. | Verfahren und vorrichtung zur fronthaul-kompression in cloud-ran |
KR102067938B1 (ko) * | 2019-01-14 | 2020-01-17 | 박천수 | 제로포스 이퀄라이징 벡터합성 앱솔루트 엔코더 구현방법 및 그 장치 |
CN112734146B (zh) * | 2019-10-28 | 2024-07-16 | 广州汽车集团股份有限公司 | 一种汽车变速器效率的计算方法、计算机设备和存储介质 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4627077A (en) * | 1983-09-20 | 1986-12-02 | Paradyne Corporation | Modified QAM data point constellation for secondary channel signalling |
US5022053A (en) * | 1989-04-10 | 1991-06-04 | At&T Bell Laboratories | Data communications with alternation of signaling constellations |
US5105443A (en) * | 1990-05-29 | 1992-04-14 | At&T Bell Laboratories | Inband coding of secondary data |
US5214656A (en) * | 1990-12-13 | 1993-05-25 | At&T Bell Laboratories | Multiplexed coded modulation with unequal error protection |
US5243629A (en) * | 1991-09-03 | 1993-09-07 | At&T Bell Laboratories | Multi-subcarrier modulation for hdtv transmission |
US5388124A (en) * | 1992-06-12 | 1995-02-07 | University Of Maryland | Precoding scheme for transmitting data using optimally-shaped constellations over intersymbol-interference channels |
US5418798A (en) * | 1993-04-09 | 1995-05-23 | At&T Corp. | Multidimensional trellis-coded communication system |
SE500986C2 (sv) | 1993-07-20 | 1994-10-17 | Telia Ab | Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM |
US5444712A (en) * | 1993-08-30 | 1995-08-22 | At&T Corp. | Communication mode identification technique |
DE4435833A1 (de) * | 1993-11-23 | 1995-05-24 | Thomson Brandt Gmbh | Verfahren zur Codierung, Übertragung, Speicherung und/oder Decodierung eines Informationskanals |
US5751774A (en) * | 1996-04-04 | 1998-05-12 | Lucent Technologies Inc. | Transmission system for digital audio broadcasting |
US6137829A (en) * | 1997-03-05 | 2000-10-24 | Paradyne Corporation | System and method for transmitting special marker symbols |
-
1997
- 1997-09-01 AT AT97937938T patent/ATE241879T1/de not_active IP Right Cessation
- 1997-09-01 WO PCT/SE1997/001458 patent/WO1998010553A2/en active IP Right Grant
- 1997-09-01 DE DE69722415T patent/DE69722415T2/de not_active Expired - Fee Related
- 1997-09-01 EP EP97937938A patent/EP0923824B1/de not_active Expired - Lifetime
- 1997-09-01 US US09/147,745 patent/US6538986B2/en not_active Expired - Lifetime
- 1997-09-01 JP JP10512560A patent/JP2000517512A/ja active Pending
-
1999
- 1999-02-19 NO NO990775A patent/NO990775L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE69722415T2 (de) | 2004-05-06 |
JP2000517512A (ja) | 2000-12-26 |
EP0923824B1 (de) | 2003-05-28 |
WO1998010553A3 (en) | 1998-05-07 |
NO990775D0 (no) | 1999-02-19 |
US20020126768A1 (en) | 2002-09-12 |
US6538986B2 (en) | 2003-03-25 |
EP0923824A2 (de) | 1999-06-23 |
ATE241879T1 (de) | 2003-06-15 |
WO1998010553A2 (en) | 1998-03-12 |
NO990775L (no) | 1999-04-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |