JP4150591B2 - 可変の基準パターンを抽出する方法 - Google Patents
可変の基準パターンを抽出する方法 Download PDFInfo
- Publication number
- JP4150591B2 JP4150591B2 JP2002564876A JP2002564876A JP4150591B2 JP 4150591 B2 JP4150591 B2 JP 4150591B2 JP 2002564876 A JP2002564876 A JP 2002564876A JP 2002564876 A JP2002564876 A JP 2002564876A JP 4150591 B2 JP4150591 B2 JP 4150591B2
- Authority
- JP
- Japan
- Prior art keywords
- reference pattern
- channel
- frequency
- transmission channel
- signal
- 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
- 230000005540 biological transmission Effects 0.000 claims description 115
- 238000000034 method Methods 0.000 claims description 72
- 238000004891 communication Methods 0.000 claims description 67
- 230000008859 change Effects 0.000 claims description 14
- 238000012546 transfer Methods 0.000 claims description 13
- 230000001413 cellular effect Effects 0.000 claims description 6
- 238000011156 evaluation Methods 0.000 description 7
- 238000005070 sampling Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 4
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- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
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Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
-
- 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
- H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0101751A FR2820574B1 (fr) | 2001-02-08 | 2001-02-08 | Procede d'extraction d'un motif de symboles de reference servant a estimer la fonction de transfert d'un canal de transmission, signal, dispositif et procedes correspondants |
| PCT/FR2002/000486 WO2002065685A1 (fr) | 2001-02-08 | 2002-02-07 | Procede d'extraction d'un motif de reference variable |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004530319A JP2004530319A (ja) | 2004-09-30 |
| JP2004530319A5 JP2004530319A5 (https=) | 2006-01-05 |
| JP4150591B2 true JP4150591B2 (ja) | 2008-09-17 |
Family
ID=8859809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002564876A Expired - Fee Related JP4150591B2 (ja) | 2001-02-08 | 2002-02-07 | 可変の基準パターンを抽出する方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7313174B2 (https=) |
| EP (1) | EP1358728A1 (https=) |
| JP (1) | JP4150591B2 (https=) |
| KR (1) | KR100914021B1 (https=) |
| CN (1) | CN1496622B (https=) |
| BR (1) | BR0207123A (https=) |
| FR (1) | FR2820574B1 (https=) |
| WO (1) | WO2002065685A1 (https=) |
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| CN1833387B (zh) | 2003-08-12 | 2016-03-02 | 知识产权之桥一号有限责任公司 | 无线通信装置以及导频码元传输方法 |
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| EP1589687A1 (fr) * | 2004-04-23 | 2005-10-26 | France Telecom | Procédé d'émission d'un signal dans un système multi-antennes, signal et procédé d'estimation de canal correspondants |
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| GB2415872B (en) * | 2004-06-30 | 2007-09-05 | Samsung Electronics Co Ltd | Multicarrier transmission systems |
| US9148256B2 (en) | 2004-07-21 | 2015-09-29 | Qualcomm Incorporated | Performance based rank prediction for MIMO design |
| US9137822B2 (en) | 2004-07-21 | 2015-09-15 | Qualcomm Incorporated | Efficient signaling over access channel |
| EP1838022A4 (en) * | 2005-01-06 | 2012-12-12 | Fujitsu Ltd | WIRELESS COMMUNICATION SYSTEM |
| WO2006096097A1 (en) * | 2005-03-08 | 2006-09-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and arrangement for advanced routing metrics in multihop networks |
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| US8446892B2 (en) | 2005-03-16 | 2013-05-21 | Qualcomm Incorporated | Channel structures for a quasi-orthogonal multiple-access communication system |
| US9461859B2 (en) * | 2005-03-17 | 2016-10-04 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
| US9143305B2 (en) | 2005-03-17 | 2015-09-22 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
| US9520972B2 (en) | 2005-03-17 | 2016-12-13 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
| US9184870B2 (en) | 2005-04-01 | 2015-11-10 | Qualcomm Incorporated | Systems and methods for control channel signaling |
| WO2006107037A1 (ja) * | 2005-04-04 | 2006-10-12 | Nec Corporation | Ofdm通信システム、そのフィードバック情報生成方法、および通信装置 |
| US9408220B2 (en) | 2005-04-19 | 2016-08-02 | Qualcomm Incorporated | Channel quality reporting for adaptive sectorization |
| US9036538B2 (en) | 2005-04-19 | 2015-05-19 | Qualcomm Incorporated | Frequency hopping design for single carrier FDMA systems |
| US20060240784A1 (en) * | 2005-04-22 | 2006-10-26 | Qualcomm Incorporated | Antenna array calibration for wireless communication systems |
| US8879511B2 (en) | 2005-10-27 | 2014-11-04 | Qualcomm Incorporated | Assignment acknowledgement for a wireless communication system |
| US8565194B2 (en) | 2005-10-27 | 2013-10-22 | Qualcomm Incorporated | Puncturing signaling channel for a wireless communication system |
| US8611284B2 (en) | 2005-05-31 | 2013-12-17 | Qualcomm Incorporated | Use of supplemental assignments to decrement resources |
| US8462859B2 (en) | 2005-06-01 | 2013-06-11 | Qualcomm Incorporated | Sphere decoding apparatus |
| US8498669B2 (en) * | 2005-06-16 | 2013-07-30 | Qualcomm Incorporated | Antenna array calibration for wireless communication systems |
| US8599945B2 (en) | 2005-06-16 | 2013-12-03 | Qualcomm Incorporated | Robust rank prediction for a MIMO system |
| US9179319B2 (en) | 2005-06-16 | 2015-11-03 | Qualcomm Incorporated | Adaptive sectorization in cellular systems |
| WO2007013559A1 (ja) * | 2005-07-29 | 2007-02-01 | Matsushita Electric Industrial Co., Ltd. | 無線通信装置及び無線通信方法 |
| US8885628B2 (en) | 2005-08-08 | 2014-11-11 | Qualcomm Incorporated | Code division multiplexing in a single-carrier frequency division multiple access system |
| US20070041457A1 (en) | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
| US9209956B2 (en) | 2005-08-22 | 2015-12-08 | Qualcomm Incorporated | Segment sensitive scheduling |
| US8644292B2 (en) | 2005-08-24 | 2014-02-04 | Qualcomm Incorporated | Varied transmission time intervals for wireless communication system |
| US9136974B2 (en) | 2005-08-30 | 2015-09-15 | Qualcomm Incorporated | Precoding and SDMA support |
| JPWO2007037414A1 (ja) * | 2005-09-30 | 2009-04-16 | パナソニック株式会社 | 無線通信移動局装置およびrachデータ送信方法 |
| CN101305529B (zh) * | 2005-10-07 | 2013-04-03 | 诺基亚公司 | 为软频率重用提供公共导频信道的装置和方法 |
| US9088384B2 (en) | 2005-10-27 | 2015-07-21 | Qualcomm Incorporated | Pilot symbol transmission in wireless communication systems |
| US9225488B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Shared signaling channel |
| US8477684B2 (en) | 2005-10-27 | 2013-07-02 | Qualcomm Incorporated | Acknowledgement of control messages in a wireless communication system |
| US9144060B2 (en) | 2005-10-27 | 2015-09-22 | Qualcomm Incorporated | Resource allocation for shared signaling channels |
| US9225416B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Varied signaling channels for a reverse link in a wireless communication system |
| US9172453B2 (en) | 2005-10-27 | 2015-10-27 | Qualcomm Incorporated | Method and apparatus for pre-coding frequency division duplexing system |
| US9210651B2 (en) | 2005-10-27 | 2015-12-08 | Qualcomm Incorporated | Method and apparatus for bootstraping information in a communication system |
| US8045512B2 (en) | 2005-10-27 | 2011-10-25 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
| US8582509B2 (en) | 2005-10-27 | 2013-11-12 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
| US8693405B2 (en) | 2005-10-27 | 2014-04-08 | Qualcomm Incorporated | SDMA resource management |
| JP4657888B2 (ja) * | 2005-10-31 | 2011-03-23 | シャープ株式会社 | 送信機及び送信方法 |
| JP4903805B2 (ja) * | 2005-11-02 | 2012-03-28 | クゥアルコム・インコーポレイテッド | 多入力多出力無線通信システムのためのアンテナアレイ較正 |
| US9118111B2 (en) * | 2005-11-02 | 2015-08-25 | Qualcomm Incorporated | Antenna array calibration for wireless communication systems |
| US8280430B2 (en) * | 2005-11-02 | 2012-10-02 | Qualcomm Incorporated | Antenna array calibration for multi-input multi-output wireless communication systems |
| US8582548B2 (en) | 2005-11-18 | 2013-11-12 | Qualcomm Incorporated | Frequency division multiple access schemes for wireless communication |
| JP4841235B2 (ja) * | 2005-11-30 | 2011-12-21 | 富士通株式会社 | 無線基地局、無線通信方法及び無線通信システム |
| JP4899555B2 (ja) * | 2006-03-17 | 2012-03-21 | 富士通株式会社 | 無線通信システム、送信装置及び受信装置 |
| US8259852B2 (en) | 2006-07-19 | 2012-09-04 | Broadcom Corporation | Method and system for satellite communication |
| EP2615768A3 (en) * | 2006-04-28 | 2014-01-22 | Nec Corporation | Pilot signal transmitting method, radio communication system, and apparatus and program used for the same |
| JP4748678B2 (ja) * | 2006-05-18 | 2011-08-17 | Kddi株式会社 | パイロット信号配置を適応的に変更する無線装置、プログラム及び通信方法 |
| US20080200196A1 (en) * | 2007-02-19 | 2008-08-21 | Tarik Muharemovic | Transmission of prioritized information in the proximity of reference signals |
| FR2916116A1 (fr) * | 2007-05-11 | 2008-11-14 | France Telecom | Procedes d'emission et de reception d'un signal a porteuses multiples et a etalement de spectre,signal,produits programme d'ordinateur,et dispositifs d'emission et de reception correspondants. |
| JP5382877B2 (ja) * | 2007-08-31 | 2014-01-08 | パナソニック株式会社 | 通信装置、受信装置、通信方法、受信方法、及び集積回路 |
| KR101231512B1 (ko) | 2008-05-09 | 2013-02-07 | 한국전자통신연구원 | 무선통신시스템의 셀 탐색에서 주파수 오프셋에 강한 심볼 동기 획득 장치 및 방법 |
| US8380531B2 (en) * | 2008-07-25 | 2013-02-19 | Invivodata, Inc. | Clinical trial endpoint development process |
| RU2539181C2 (ru) * | 2009-08-18 | 2015-01-20 | Конинклейке Филипс Электроникс Н.В. | Способ функционирования радиостанции в сети мобильной связи |
| JP5138761B2 (ja) * | 2010-11-22 | 2013-02-06 | シャープ株式会社 | 送信機及び送信方法 |
| EP2929708B1 (en) * | 2012-12-04 | 2019-09-25 | LG Electronics Inc. | Method for changing pattern of reference signals according to movement speed of user equipment in wireless communication system, and an apparatus therefor |
| US10615899B1 (en) * | 2015-06-05 | 2020-04-07 | Aykut Bultan | Method and apparatus for implementing joint time frequency division multiplexing |
| KR102655272B1 (ko) | 2015-12-09 | 2024-04-08 | 코히어 테크놀로지스, 아이엔씨. | 복소 직교 함수를 이용하는 파일럿 패킹 |
| WO2017147439A1 (en) | 2016-02-25 | 2017-08-31 | Cohere Technologies | Reference signal packing for wireless communications |
| US11363572B2 (en) | 2016-08-01 | 2022-06-14 | Qualcomm Incorporated | Uplink channel dynamic waveform switching |
| US11382048B2 (en) | 2018-05-22 | 2022-07-05 | Qualcomm Incorporated | Multiplexing solutions in dual connectivity |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2658016B1 (fr) * | 1990-02-06 | 1994-01-21 | Etat Francais Cnet | Procede de diffusion de donnees numeriques, notamment pour la radiodiffusion a haut debit vers des mobiles, a entrelacement temps-frequence et demodulation coherente, et recepteur correspondant. |
| JPH1079701A (ja) * | 1996-09-03 | 1998-03-24 | Fujitsu Ltd | 移動通信端末及びその送信電力制御方式 |
| US6654429B1 (en) * | 1998-12-31 | 2003-11-25 | At&T Corp. | Pilot-aided channel estimation for OFDM in wireless systems |
| EP1030489A1 (en) * | 1999-02-17 | 2000-08-23 | Interuniversitair Micro-Elektronica Centrum Vzw | Multicarrier transceiver |
| EP1416694B1 (en) * | 1999-06-16 | 2006-09-20 | Sony Deutschland GmbH | Optimized synchronization preamble structure for OFDM system |
| EP1065855A1 (en) * | 1999-06-29 | 2001-01-03 | Sony International (Europe) GmbH | Adaptation of cyclic extensions in an OFDM communication system |
| JP4284773B2 (ja) * | 1999-09-07 | 2009-06-24 | ソニー株式会社 | 送信装置、受信装置、通信システム、送信方法及び通信方法 |
| FR2798542B1 (fr) * | 1999-09-13 | 2002-01-18 | France Telecom | Recepteur a multiplexage par repartition en frequences orthogonales avec estimation iterative de canal et procede correspondant |
| US7174178B2 (en) * | 2001-07-19 | 2007-02-06 | Intel Corporation | Deriving a more accurate estimate from prediction data in closed loop transmit diversity modes |
-
2001
- 2001-02-08 FR FR0101751A patent/FR2820574B1/fr not_active Expired - Fee Related
-
2002
- 2002-02-07 US US10/467,571 patent/US7313174B2/en not_active Expired - Lifetime
- 2002-02-07 WO PCT/FR2002/000486 patent/WO2002065685A1/fr not_active Ceased
- 2002-02-07 JP JP2002564876A patent/JP4150591B2/ja not_active Expired - Fee Related
- 2002-02-07 CN CN02806251.5A patent/CN1496622B/zh not_active Expired - Fee Related
- 2002-02-07 EP EP02702465A patent/EP1358728A1/fr not_active Withdrawn
- 2002-02-07 BR BRPI0207123-1A patent/BR0207123A/pt not_active IP Right Cessation
- 2002-02-07 KR KR1020037010498A patent/KR100914021B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR2820574A1 (fr) | 2002-08-09 |
| JP2004530319A (ja) | 2004-09-30 |
| KR100914021B1 (ko) | 2009-08-28 |
| BR0207123A (pt) | 2006-03-01 |
| FR2820574B1 (fr) | 2005-08-05 |
| EP1358728A1 (fr) | 2003-11-05 |
| CN1496622B (zh) | 2016-05-18 |
| US7313174B2 (en) | 2007-12-25 |
| CN1496622A (zh) | 2004-05-12 |
| WO2002065685A1 (fr) | 2002-08-22 |
| KR20030074812A (ko) | 2003-09-19 |
| US20040131110A1 (en) | 2004-07-08 |
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