GB2415872B - Multicarrier transmission systems - Google Patents
Multicarrier transmission systemsInfo
- Publication number
- GB2415872B GB2415872B GB0414661A GB0414661A GB2415872B GB 2415872 B GB2415872 B GB 2415872B GB 0414661 A GB0414661 A GB 0414661A GB 0414661 A GB0414661 A GB 0414661A GB 2415872 B GB2415872 B GB 2415872B
- Authority
- GB
- United Kingdom
- Prior art keywords
- transmission systems
- multicarrier transmission
- multicarrier
- systems
- transmission
- 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
- 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
- H04L1/0047—Decoding adapted to other signal detection operation
- H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
-
- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
-
- 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
- H04L1/0066—Parallel 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
-
- 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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2614—Peak power aspects
- H04L27/262—Reduction thereof by selection of pilot symbols
-
- 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
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
- H04L5/0021—Time-frequency-code in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA
-
- H04Q7/3825—
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0414661A GB2415872B (en) | 2004-06-30 | 2004-06-30 | Multicarrier transmission systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0414661A GB2415872B (en) | 2004-06-30 | 2004-06-30 | Multicarrier transmission systems |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0414661D0 GB0414661D0 (en) | 2004-08-04 |
GB2415872A GB2415872A (en) | 2006-01-04 |
GB2415872B true GB2415872B (en) | 2007-09-05 |
Family
ID=32843325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0414661A Expired - Fee Related GB2415872B (en) | 2004-06-30 | 2004-06-30 | Multicarrier transmission systems |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2415872B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8174995B2 (en) * | 2006-08-21 | 2012-05-08 | Qualcom, Incorporated | Method and apparatus for flexible pilot pattern |
CN101507220B (en) * | 2006-08-21 | 2013-03-13 | 高通股份有限公司 | Method and apparatus for flexible pilot pattern |
US8978103B2 (en) | 2006-08-21 | 2015-03-10 | Qualcomm Incorporated | Method and apparatus for interworking authorization of dual stack operation |
RU2424628C2 (en) | 2006-08-21 | 2011-07-20 | Квэлкомм Инкорпорейтед | Method and apparatus for interworking authorisation of dual stack operation |
WO2009034542A2 (en) * | 2007-09-14 | 2009-03-19 | Nokia Corporation | Method and apparatus for sharing an acknowlegement channel |
GB2475801B (en) * | 2008-10-08 | 2012-01-18 | Samsung Electronics Co Ltd | Estimating link qualities in multi-carrier systems |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002065685A1 (en) * | 2001-02-08 | 2002-08-22 | Wavecom | Method for extracting a variable reference pattern |
WO2002065865A1 (en) * | 2001-02-22 | 2002-08-29 | Laurent Dubief | Position-finding method for positioning a necktie |
US20030072254A1 (en) * | 2001-10-17 | 2003-04-17 | Jianglei Ma | Scattered pilot pattern and channel estimation method for MIMO-OFDM systems |
US20030174643A1 (en) * | 2002-03-16 | 2003-09-18 | Samsung Electronics Co., Ltd. | Method and apparatus for allocating a pilot carrier adaptively in an orthogonal frequency division multiple access system |
EP1363434A2 (en) * | 2002-05-16 | 2003-11-19 | NTT DoCoMo, Inc. | Allocation of pilot signals for multicarrier transmission |
US20040100897A1 (en) * | 1998-02-12 | 2004-05-27 | Shattil Steve J. | Carrier interferometry coding with aplications to cellular and local area networks |
WO2004049618A1 (en) * | 2002-11-26 | 2004-06-10 | Electronics And Telecommunications Research Institute | Method and apparatus for embodying and synchronizing downlink signal in mobile communication system and method for searching cell using the same |
-
2004
- 2004-06-30 GB GB0414661A patent/GB2415872B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040100897A1 (en) * | 1998-02-12 | 2004-05-27 | Shattil Steve J. | Carrier interferometry coding with aplications to cellular and local area networks |
WO2002065685A1 (en) * | 2001-02-08 | 2002-08-22 | Wavecom | Method for extracting a variable reference pattern |
US20040131110A1 (en) * | 2001-02-08 | 2004-07-08 | Michel Alard | Method for extracting a variable reference pattern |
WO2002065865A1 (en) * | 2001-02-22 | 2002-08-29 | Laurent Dubief | Position-finding method for positioning a necktie |
US20030072254A1 (en) * | 2001-10-17 | 2003-04-17 | Jianglei Ma | Scattered pilot pattern and channel estimation method for MIMO-OFDM systems |
US20030174643A1 (en) * | 2002-03-16 | 2003-09-18 | Samsung Electronics Co., Ltd. | Method and apparatus for allocating a pilot carrier adaptively in an orthogonal frequency division multiple access system |
EP1363434A2 (en) * | 2002-05-16 | 2003-11-19 | NTT DoCoMo, Inc. | Allocation of pilot signals for multicarrier transmission |
WO2004049618A1 (en) * | 2002-11-26 | 2004-06-10 | Electronics And Telecommunications Research Institute | Method and apparatus for embodying and synchronizing downlink signal in mobile communication system and method for searching cell using the same |
Also Published As
Publication number | Publication date |
---|---|
GB0414661D0 (en) | 2004-08-04 |
GB2415872A (en) | 2006-01-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2416959B (en) | Communications systems | |
GB0719774D0 (en) | Transmission system | |
GB2414367B (en) | Data transmission | |
HK1112550A1 (en) | Routing based on transmission utilization | |
IL181613A0 (en) | E-mail transmission system | |
GB0403128D0 (en) | Multicast transmission | |
EP1925086A4 (en) | High speed transmission system | |
EP1720682A4 (en) | Multidirectional transmission | |
GB0420865D0 (en) | Continuously variable ratio transmission system | |
GB2429384B (en) | Secure data transmission | |
EP1872576A4 (en) | Integrated wireless multimedia transmission system | |
GB2417867B (en) | Data transmission | |
GB2417866B (en) | Data transmission | |
GB0401501D0 (en) | Continuously variable ratio transmission system | |
EP1939477A4 (en) | Transmission | |
GB2415872B (en) | Multicarrier transmission systems | |
GB2415870B (en) | Multi-carrier communications | |
GB2415871B (en) | Multicarrier transmission systems | |
GB0428284D0 (en) | Lubricating systems | |
GB2420461B (en) | Transmission device | |
GB2421511B (en) | Lubricating systems | |
GB2415337B (en) | Multiplex Transmission Device | |
GB2444188B (en) | Transmission | |
EP1812734A4 (en) | Transmission systems and methods | |
GB0419302D0 (en) | Communications systems |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20180630 |