CN1801680A - 基于交织频分多址的导频复用方法及其装置 - Google Patents
基于交织频分多址的导频复用方法及其装置 Download PDFInfo
- Publication number
- CN1801680A CN1801680A CN 200510092586 CN200510092586A CN1801680A CN 1801680 A CN1801680 A CN 1801680A CN 200510092586 CN200510092586 CN 200510092586 CN 200510092586 A CN200510092586 A CN 200510092586A CN 1801680 A CN1801680 A CN 1801680A
- Authority
- CN
- China
- Prior art keywords
- frequency
- pilot
- user
- carrier
- pilot sign
- 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.)
- Pending
Links
Images
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
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200510092586 CN1801680A (zh) | 2005-08-23 | 2005-08-23 | 基于交织频分多址的导频复用方法及其装置 |
CN2006800168203A CN101176285B (zh) | 2005-08-23 | 2006-08-23 | 基于单载波频分多址的上行导频复用方法、系统及终端 |
PCT/CN2006/002147 WO2007022715A1 (fr) | 2005-08-23 | 2006-08-23 | Procede, systeme et terminal de multiplexage de pilote de liaison ascendante d'apres l'acces multiple par repartition en frequence a simple porteuse |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200510092586 CN1801680A (zh) | 2005-08-23 | 2005-08-23 | 基于交织频分多址的导频复用方法及其装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1801680A true CN1801680A (zh) | 2006-07-12 |
Family
ID=36811471
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200510092586 Pending CN1801680A (zh) | 2005-08-23 | 2005-08-23 | 基于交织频分多址的导频复用方法及其装置 |
CN2006800168203A Expired - Fee Related CN101176285B (zh) | 2005-08-23 | 2006-08-23 | 基于单载波频分多址的上行导频复用方法、系统及终端 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006800168203A Expired - Fee Related CN101176285B (zh) | 2005-08-23 | 2006-08-23 | 基于单载波频分多址的上行导频复用方法、系统及终端 |
Country Status (2)
Country | Link |
---|---|
CN (2) | CN1801680A (fr) |
WO (1) | WO2007022715A1 (fr) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008025273A1 (fr) * | 2006-08-23 | 2008-03-06 | Da Tang Mobile Communications Equipment Co., Ltd. | Procédé et dispositif pour le multiplexage de pilotes dans le système ofdm |
US20080279170A1 (en) * | 2007-05-07 | 2008-11-13 | Qualcomm Incorporated | Method and apparatus for multiplexing cdm pilot and fdm data |
CN103731240A (zh) * | 2007-08-30 | 2014-04-16 | Lg电子株式会社 | 信号发送和接收装置、以及信号发送和接收方法 |
WO2016192082A1 (fr) * | 2015-06-04 | 2016-12-08 | 华为技术有限公司 | Procédé, dispositif et système de transmission d'informations |
CN106576029A (zh) * | 2014-08-19 | 2017-04-19 | Lg 电子株式会社 | 在无线通信系统中通过利用时间轴上的移位形成非对称序列集生成和发送导频序列的方法 |
WO2018027806A1 (fr) * | 2016-08-11 | 2018-02-15 | 华为技术有限公司 | Procédé de transmission de signal de référence de démodulation, et dispositif associé |
CN108880773A (zh) * | 2018-06-11 | 2018-11-23 | 三维通信股份有限公司 | 一种大规模天线系统中的导频分配方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104283661B (zh) * | 2014-09-26 | 2017-12-08 | 大唐移动通信设备有限公司 | 一种载波的控制方法和装置 |
CN106034329B (zh) * | 2015-03-09 | 2019-09-17 | 电信科学技术研究院 | 一种信号传输方法及装置 |
US10736074B2 (en) | 2017-07-31 | 2020-08-04 | Qualcomm Incorporated | Systems and methods to facilitate location determination by beamforming of a positioning reference signal |
US11777764B2 (en) | 2019-03-28 | 2023-10-03 | Qualcomm Incorporated | Sounding reference signal waveform design for wireless communications |
US11239967B2 (en) | 2019-05-02 | 2022-02-01 | Qualcomm Incorporated | Patterns for reference signals used for positioning in a wireless communications system |
US11082183B2 (en) | 2019-09-16 | 2021-08-03 | Qualcomm Incorporated | Comb shift design |
CN112751628B (zh) * | 2020-12-18 | 2022-06-07 | 中国电子科技集团公司第二十研究所 | 一种多个有限带宽范围内梳状谱干扰信号频点确定方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7139237B2 (en) * | 2000-12-29 | 2006-11-21 | Motorola, Inc. | Method and system for multirate multiuser modulation |
EP1650891B1 (fr) * | 2003-07-29 | 2011-05-04 | Fujitsu Limited | Procédé de multiplexage de pilotes et dispositif d'émission pour un système OFDM |
US20050063298A1 (en) * | 2003-09-02 | 2005-03-24 | Qualcomm Incorporated | Synchronization in a broadcast OFDM system using time division multiplexed pilots |
KR100950668B1 (ko) * | 2003-09-30 | 2010-04-02 | 삼성전자주식회사 | 직교 주파수 분할 다중 접속 방식을 사용하는 통신 시스템에서 업링크 파일럿 신호 송수신 장치 및 방법 |
EP1542488A1 (fr) * | 2003-12-12 | 2005-06-15 | Telefonaktiebolaget LM Ericsson (publ) | Procédé et appareil d'affectation d'un signal pilote adapté à les caractéristique du canal |
-
2005
- 2005-08-23 CN CN 200510092586 patent/CN1801680A/zh active Pending
-
2006
- 2006-08-23 WO PCT/CN2006/002147 patent/WO2007022715A1/fr active Application Filing
- 2006-08-23 CN CN2006800168203A patent/CN101176285B/zh not_active Expired - Fee Related
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008025273A1 (fr) * | 2006-08-23 | 2008-03-06 | Da Tang Mobile Communications Equipment Co., Ltd. | Procédé et dispositif pour le multiplexage de pilotes dans le système ofdm |
US20080279170A1 (en) * | 2007-05-07 | 2008-11-13 | Qualcomm Incorporated | Method and apparatus for multiplexing cdm pilot and fdm data |
US8369299B2 (en) * | 2007-05-07 | 2013-02-05 | Qualcomm Incorporated | Method and apparatus for multiplexing CDM pilot and FDM data |
CN103731240B (zh) * | 2007-08-30 | 2018-01-02 | Lg电子株式会社 | 信号发送和接收装置、以及信号发送和接收方法 |
CN103731240A (zh) * | 2007-08-30 | 2014-04-16 | Lg电子株式会社 | 信号发送和接收装置、以及信号发送和接收方法 |
CN106576029A (zh) * | 2014-08-19 | 2017-04-19 | Lg 电子株式会社 | 在无线通信系统中通过利用时间轴上的移位形成非对称序列集生成和发送导频序列的方法 |
WO2016192082A1 (fr) * | 2015-06-04 | 2016-12-08 | 华为技术有限公司 | Procédé, dispositif et système de transmission d'informations |
CN107615847A (zh) * | 2015-06-04 | 2018-01-19 | 华为技术有限公司 | 一种传输信息的方法、装置和系统 |
CN107615847B (zh) * | 2015-06-04 | 2020-03-10 | 华为技术有限公司 | 一种传输信息的方法、装置和系统 |
US10736105B2 (en) | 2015-06-04 | 2020-08-04 | Huawei Technologies Co., Ltd. | Information transmission method, apparatus, and system |
WO2018027806A1 (fr) * | 2016-08-11 | 2018-02-15 | 华为技术有限公司 | Procédé de transmission de signal de référence de démodulation, et dispositif associé |
CN108880773A (zh) * | 2018-06-11 | 2018-11-23 | 三维通信股份有限公司 | 一种大规模天线系统中的导频分配方法 |
CN108880773B (zh) * | 2018-06-11 | 2020-04-28 | 三维通信股份有限公司 | 一种大规模天线系统中的导频分配方法 |
US11445504B2 (en) | 2018-06-11 | 2022-09-13 | Sunwave Communications Co., Ltd. | Method for distributing pilot frequency in massive antenna system |
Also Published As
Publication number | Publication date |
---|---|
CN101176285A (zh) | 2008-05-07 |
WO2007022715A1 (fr) | 2007-03-01 |
CN101176285B (zh) | 2010-09-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1801680A (zh) | 基于交织频分多址的导频复用方法及其装置 | |
US8582548B2 (en) | Frequency division multiple access schemes for wireless communication | |
JP4897793B2 (ja) | 単一キャリアfdmaシステムのための周波数ホッピング設計 | |
RU2374775C2 (ru) | Ограниченное переключение каналов в беспроводных системах связи | |
JP5893691B2 (ja) | ワイヤレス通信についての柔軟な時間−周波数多重化構成 | |
US7848438B2 (en) | Method and apparatus for pilot signal transmission | |
US7508842B2 (en) | Method and apparatus for pilot signal transmission | |
JP5039713B2 (ja) | 多重搬送波システムに適用されるパイロット信号転送方法 | |
CN1605172A (zh) | 用于mimo-ofdm系统的分散导频图案和信道估计方法 | |
CN101043496A (zh) | 多载波通信系统不同业务导频资源复用方法及装置 | |
CN1703034A (zh) | 一种基于mimo-ofdm系统的信道估计方法 | |
WO2019008916A1 (fr) | Dispositif d'émission radio et procédé d'émission | |
CN1909534A (zh) | 可重构ofdm系统及其发送和接收操作方法 | |
JP2012521715A (ja) | ヌルガードトーンを有するofdmaベースのシステムのための非循環発展型ユーザ資源構造 | |
CN1917490A (zh) | 降低正交频分复用信号的峰均比的方法 | |
CN1805318A (zh) | 一种上行时频资源的分配方法 | |
WO2010116397A1 (fr) | Système de radiocommunication, dispositif d'émission, dispositif de réception et procédé de radiocommunication dans un système de radiocommunication | |
CN1535509A (zh) | 多载波发射分集系统中的信道估算 | |
CN1567764A (zh) | 多用户ofdma系统中新的子信道生成和分配方法 | |
CN1885844A (zh) | 基于正交复用多载波传输降低峰均比的装置及其方法 | |
Ahamed | PERFORMANCE ANALYSIS OF OFDM. | |
WO2007025466A1 (fr) | Procede de distribution de ressources de frequence temporelle a liaison ascendante et dispositif associe | |
CN100568866C (zh) | 基于正交频分复用的导频与数据载波分配方法及其装置 | |
CN1960353A (zh) | 为复用业务数据设置参考信号的方法及其系统 | |
CN101043497A (zh) | 单载波发送和接收方法及其设备和通信系统 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20060712 |