WO2005053198A3 - Method for allocating pilot subcarriers, method and device for transmitting and receiving pilot subcarriers in orthogonal frequency division multiplex system - Google Patents
Method for allocating pilot subcarriers, method and device for transmitting and receiving pilot subcarriers in orthogonal frequency division multiplex system Download PDFInfo
- Publication number
- WO2005053198A3 WO2005053198A3 PCT/KR2004/001836 KR2004001836W WO2005053198A3 WO 2005053198 A3 WO2005053198 A3 WO 2005053198A3 KR 2004001836 W KR2004001836 W KR 2004001836W WO 2005053198 A3 WO2005053198 A3 WO 2005053198A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pilot subcarriers
- subcarriers
- pilots
- allocating
- transmitting
- Prior art date
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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
- H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
- H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
-
- 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
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex Systems (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0085530 | 2003-11-28 | ||
KR1020030085530A KR100600672B1 (en) | 2003-11-28 | 2003-11-28 | Pilot carrier allocation method and receiving method, receiving apparatus and, sending method, sending apparatus in ofdm system |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2005053198A2 WO2005053198A2 (en) | 2005-06-09 |
WO2005053198A3 true WO2005053198A3 (en) | 2007-12-06 |
Family
ID=34632035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2004/001836 WO2005053198A2 (en) | 2003-11-28 | 2004-07-22 | Method for allocating pilot subcarriers, method and device for transmitting and receiving pilot subcarriers in orthogonal frequency division multiplex system |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR100600672B1 (en) |
WO (1) | WO2005053198A2 (en) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101137329B1 (en) | 2005-06-15 | 2012-04-19 | 엘지전자 주식회사 | Method and apparatus for allocating subcarriers in OFDMA |
KR100981552B1 (en) * | 2005-06-21 | 2010-09-10 | 삼성전자주식회사 | Apparatus and method for transmitting/receiving uplink pilot in frequency division multiple access system |
KR100653282B1 (en) * | 2005-07-27 | 2006-12-01 | 한국전자통신연구원 | Pilot sequence transmission for channel estimation in ofdm cellular systems |
US7903628B2 (en) | 2005-08-22 | 2011-03-08 | Qualcomm Incorporated | Configurable pilots in a wireless communication system |
KR101203869B1 (en) * | 2006-03-09 | 2012-11-21 | 엘지전자 주식회사 | Multi-carrier transmission method to support differant bandwidth capability terminals |
KR101227491B1 (en) * | 2006-03-20 | 2013-01-29 | 엘지전자 주식회사 | Method of retransmitting packets and packet recovery in mobile communications system |
JP4899555B2 (en) * | 2006-03-17 | 2012-03-21 | 富士通株式会社 | Wireless communication system, transmitting apparatus and receiving apparatus |
CN102394738B (en) * | 2006-04-24 | 2014-09-24 | 韩国电子通信研究院 | Transmitting/receiving method and device of terminal |
JP2007329588A (en) * | 2006-06-06 | 2007-12-20 | Fujitsu Ltd | Transmission apparatus and transmission method |
JP4793569B2 (en) * | 2006-06-19 | 2011-10-12 | 日本電気株式会社 | Bandwidth allocation method and radio communication system |
US8948757B2 (en) | 2007-03-21 | 2015-02-03 | Qualcomm Incorporated | Methods and apparatus for RF handoff in a multi-frequency network |
US8737350B2 (en) | 2007-03-21 | 2014-05-27 | Qualcomm Incorporated | Methods and apparatus for RF handoff in a multi-frequency network |
US8457064B2 (en) | 2007-03-21 | 2013-06-04 | Qualcomm Incorporated | Methods and apparatus for RF handoff in a multi-frequency network |
US8750248B2 (en) | 2007-03-21 | 2014-06-10 | Qualcomm Incorporated | Methods and apparatus for RF handoff in a multi-frequency network |
US8737353B2 (en) | 2007-03-21 | 2014-05-27 | Qualcomm Incorporated | Methods and apparatus for RF handoff in a multi-frequency network |
US8565799B2 (en) | 2007-04-04 | 2013-10-22 | Qualcomm Incorporated | Methods and apparatus for flow data acquisition in a multi-frequency network |
US8571553B2 (en) * | 2007-07-16 | 2013-10-29 | Qualcomm Incorporated | Methods and apparatus for resolving pilot pseudorandom noise code conflicts in a communication system |
CN101227232B (en) * | 2008-02-01 | 2010-06-09 | 中兴通讯股份有限公司 | Method and apparatus for mapping of downlink pilot frequency initial position |
US8570939B2 (en) | 2008-03-07 | 2013-10-29 | Qualcomm Incorporated | Methods and systems for choosing cyclic delays in multiple antenna OFDM systems |
US20100227612A1 (en) * | 2009-03-09 | 2010-09-09 | Qualcomm Incorporated | Cell detection for mobile location with grouping diversity |
CN102244631B (en) * | 2010-05-11 | 2014-12-17 | 华为技术有限公司 | Central subcarrier configuring method and device |
GB2496383A (en) * | 2011-11-07 | 2013-05-15 | Nec Corp | Extension carriers having synchronisation signals with configurable locations |
US9774481B2 (en) * | 2012-04-05 | 2017-09-26 | Qualcomm, Incorporated | Systems and methods for transmitting pilot tones |
US9271241B2 (en) | 2013-11-19 | 2016-02-23 | Intel IP Corporation | Access point and methods for distinguishing HEW physical layer packets with backwards compatibility |
CN108494538B (en) | 2013-11-19 | 2021-11-16 | 英特尔公司 | Method, apparatus, and computer readable medium for multi-user scheduling in wireless local area networks |
BR112016008789B1 (en) | 2013-11-19 | 2022-12-27 | SOLiD, INC | MAIN STATION CONFIGURED FOR HIGH-EFFICIENCY WIRELESS LOCAL AREA NETWORK COMMUNICATION, METHOD PERFORMED BY A MAIN STATION, STORAGE MEDIA AND HIGH-EFFICIENCY WIRELESS LOCAL AREA NETWORK STATION |
US9544914B2 (en) | 2013-11-19 | 2017-01-10 | Intel IP Corporation | Master station and method for HEW communication using a transmission signaling structure for a HEW signal field |
US9325463B2 (en) | 2013-11-19 | 2016-04-26 | Intel IP Corporation | High-efficiency WLAN (HEW) master station and methods to increase information bits for HEW communication |
CN106465360A (en) * | 2014-07-18 | 2017-02-22 | 英特尔Ip公司 | Method, apparatus, and computer readable medium for transmitting pilots in wireless local area networks |
EP4152708B1 (en) * | 2020-05-27 | 2024-05-15 | Huawei Technologies Co., Ltd. | Communication method and communication device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002049305A2 (en) * | 2000-12-15 | 2002-06-20 | Broadstorm Telecommunications, Inc. | Ofdma with adaptive subcarrier-cluster configuration and selective loading |
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 |
-
2003
- 2003-11-28 KR KR1020030085530A patent/KR100600672B1/en active IP Right Grant
-
2004
- 2004-07-22 WO PCT/KR2004/001836 patent/WO2005053198A2/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002049305A2 (en) * | 2000-12-15 | 2002-06-20 | Broadstorm Telecommunications, Inc. | Ofdma with adaptive subcarrier-cluster configuration and selective loading |
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 |
Also Published As
Publication number | Publication date |
---|---|
KR100600672B1 (en) | 2006-07-13 |
KR20050051865A (en) | 2005-06-02 |
WO2005053198A2 (en) | 2005-06-09 |
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