CN1985451A - 用于接入无线通信系统的方法和装置 - Google Patents
用于接入无线通信系统的方法和装置 Download PDFInfo
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- CN1985451A CN1985451A CNA2005800206376A CN200580020637A CN1985451A CN 1985451 A CN1985451 A CN 1985451A CN A2005800206376 A CNA2005800206376 A CN A2005800206376A CN 200580020637 A CN200580020637 A CN 200580020637A CN 1985451 A CN1985451 A CN 1985451A
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- 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
- H04L27/2626—Arrangements specific to the transmitter only
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- 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
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
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- 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
- H04L25/0212—Channel estimation of impulse response
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- 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
- H04L25/022—Channel estimation of frequency response
-
- 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
-
- 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
-
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0011—Complementary
- H04J13/0014—Golay
-
- 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
- H04L27/2602—Signal structure
- H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
- H04L27/2607—Cyclic extensions
Abstract
Description
句法 | 大小 | 注释 |
OFDMA码元偏移 | 8比特 | |
附加OFDMA码元数 | 2比特 | 除具有扩展CP的最后特殊OFDMA码元之外,BW请求和周期性测距所用的规则OFDMA码元的数量(到3) |
扩展CP长度 | 3比特 | 规则CP长度的倍数(到规则CP长度的8倍) |
扩展-CP码元FFT的大小 | 2比特 | 具有扩展-CP的特殊码元的FFT大小可以是规则FFT大小的倍数(到4倍) |
死间隔标志 | 1比特 | 1:在扩展CP后包括“死”间隔;0:为了降低开销,不包括 |
子带数 | 5比特 | 将整个频带划分为多达32个子带 |
初始测距的子带数 | 3比特 | “000”:初始测距可以使用所有子带“001”:使用第一子带“010”:使用首先的两个子带等等“111”:使用首先的七个子带 |
} |
Claims (10)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US58260204P | 2004-06-24 | 2004-06-24 | |
US60/582,602 | 2004-06-24 | ||
US11/070,061 | 2005-03-02 | ||
US11/070,061 US7599327B2 (en) | 2004-06-24 | 2005-03-02 | Method and apparatus for accessing a wireless communication system |
PCT/US2005/022164 WO2006012170A2 (en) | 2004-06-24 | 2005-06-23 | Method and apparatus for accessing a wireless communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1985451A true CN1985451A (zh) | 2007-06-20 |
CN1985451B CN1985451B (zh) | 2010-12-15 |
Family
ID=35505600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800206376A Active CN1985451B (zh) | 2004-06-24 | 2005-06-23 | 用于接入无线通信系统的方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7599327B2 (zh) |
EP (1) | EP1762019B1 (zh) |
KR (2) | KR101044885B1 (zh) |
CN (1) | CN1985451B (zh) |
ES (1) | ES2413431T3 (zh) |
PL (1) | PL1762019T3 (zh) |
TW (1) | TWI369090B (zh) |
WO (1) | WO2006012170A2 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101582870B (zh) * | 2008-05-15 | 2013-01-16 | 中兴通讯股份有限公司 | 同步实现方法和装置 |
CN101557376B (zh) * | 2008-04-11 | 2013-03-27 | 展讯通信(上海)有限公司 | 加窗的子带波形生成方法及装置 |
WO2018054155A1 (zh) * | 2016-09-24 | 2018-03-29 | 上海朗帛通信技术有限公司 | 一种ue、基站中的发射功率调整的方法和装置 |
CN110233640A (zh) * | 2015-11-30 | 2019-09-13 | 高通股份有限公司 | 用于执行网络可配置接入和数据传送过程的系统和方法 |
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CN101557376B (zh) * | 2008-04-11 | 2013-03-27 | 展讯通信(上海)有限公司 | 加窗的子带波形生成方法及装置 |
CN101582870B (zh) * | 2008-05-15 | 2013-01-16 | 中兴通讯股份有限公司 | 同步实现方法和装置 |
CN110233640A (zh) * | 2015-11-30 | 2019-09-13 | 高通股份有限公司 | 用于执行网络可配置接入和数据传送过程的系统和方法 |
WO2018054155A1 (zh) * | 2016-09-24 | 2018-03-29 | 上海朗帛通信技术有限公司 | 一种ue、基站中的发射功率调整的方法和装置 |
US10833797B2 (en) | 2016-09-24 | 2020-11-10 | Shanghai Langbo Communication Technology Company Limited | Method and device in UE and base station for transmitting power adjustment |
US11570027B2 (en) | 2016-09-24 | 2023-01-31 | Shanghai Langbo Communication Technology Company Limited | Method and device in UE and base station for transmitting power adjustment |
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PL1762019T3 (pl) | 2013-12-31 |
EP1762019B1 (en) | 2013-03-13 |
CN1985451B (zh) | 2010-12-15 |
US20050286465A1 (en) | 2005-12-29 |
ES2413431T3 (es) | 2013-07-16 |
EP1762019A4 (en) | 2010-01-20 |
WO2006012170A2 (en) | 2006-02-02 |
WO2006012170A3 (en) | 2006-04-20 |
TWI369090B (en) | 2012-07-21 |
KR101044885B1 (ko) | 2011-06-28 |
TW200627838A (en) | 2006-08-01 |
KR20070030288A (ko) | 2007-03-15 |
KR100867264B1 (ko) | 2008-11-10 |
EP1762019A2 (en) | 2007-03-14 |
US7599327B2 (en) | 2009-10-06 |
KR20080102418A (ko) | 2008-11-25 |
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