CN1722712B - 移动无线通信系统中进行运动补偿噪声预测的方法和装置 - Google Patents
移动无线通信系统中进行运动补偿噪声预测的方法和装置 Download PDFInfo
- Publication number
- CN1722712B CN1722712B CN200510072990.0A CN200510072990A CN1722712B CN 1722712 B CN1722712 B CN 1722712B CN 200510072990 A CN200510072990 A CN 200510072990A CN 1722712 B CN1722712 B CN 1722712B
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- Prior art keywords
- reference symbol
- time
- receiver
- pred
- predicted value
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- 238000000034 method Methods 0.000 title claims abstract description 42
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- 238000010168 coupling process Methods 0.000 claims description 16
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- 230000008878 coupling Effects 0.000 claims description 15
- 230000000295 complement effect Effects 0.000 claims description 11
- 238000010606 normalization Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 230000014509 gene expression Effects 0.000 claims description 2
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- 230000008901 benefit Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
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Images
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
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
-
- 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
- H04L27/2647—Arrangements specific to the receiver only
Abstract
Description
1 | 发送器 |
2 | 接收器 |
3 | 障碍物 |
5 | 传输信道 |
10 | 数据信号 |
11 | OFDM数据信号 |
12 | 信息符号 |
14 | 所存储的参考符号 |
15 | 新的参考符号 |
18 | 新的OFDM参考符号 |
20a | 存储装置 |
20b | 存储装置 |
20c | 存储装置 |
20d | 存储装置 |
20e | 存储装置 |
20f | 存储装置 |
20L | 存储装置 |
22 | 用于计算统计学要素的装置 |
24 | 减法器 |
26 | 减法器 |
27 | 均值单元 |
28 | 用于形成绝对值平方的单元 |
30 | 预测单元 |
32 | 用于匹配c0的单元 |
33 | 用于匹配c1的单元 |
35 | 用于对c0匹配步骤求均值的单元 |
36 | 用于对c1匹配步骤求均值的单元 |
50 | 相对速度预测单元 |
52 | 减法器 |
53 | 用于形成绝对值平方的单元 |
54 | 用于形成绝对值平方的单元 |
55 | 加法器 |
57 | 加法器 |
S-1 | 接收到的参考符号 |
S-2 | 接收到的参考符号 |
S-3 | 接收到的参考符号 |
S-4 | 接收到的参考符号 |
S-5 | 接收到的参考符号 |
S-μ | 接收到的参考符号 |
S-ξ | 接收到的参考符号 |
Savg | 接收到的参考符号的静态分量 |
Smotion | 接收到的参考符号的动态分量 |
Serr | 预测误差 |
Spred | 预测值 |
Senergy | 能量值 |
Sdiff | 速度量 |
T | 参考符号的时间间隔 |
K | 过程下标 |
f0 | 载频 |
f1 | 载频 |
f2 | 载频 |
f3 | 载频 |
f4 | 载频 |
f5 | 载频 |
f6 | 载频 |
f | 频率轴 |
Pnoise | 噪声的估计值 |
Pv | 发送器和接收器之间的相对速度的估计值 |
Claims (18)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004026072A DE102004026072B4 (de) | 2004-05-25 | 2004-05-25 | Verfahren und Vorrichtung zur bewegungskompensierten Rauschschätzung bei mobilen drahtlosen Übertragungssystemen |
DE102004026072.9 | 2004-05-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1722712A CN1722712A (zh) | 2006-01-18 |
CN1722712B true CN1722712B (zh) | 2011-01-26 |
Family
ID=34935939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200510072990.0A Expired - Fee Related CN1722712B (zh) | 2004-05-25 | 2005-05-25 | 移动无线通信系统中进行运动补偿噪声预测的方法和装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7496165B2 (zh) |
EP (1) | EP1601128B9 (zh) |
CN (1) | CN1722712B (zh) |
DE (2) | DE102004026072B4 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010042319A2 (en) * | 2008-10-10 | 2010-04-15 | Ziva Corporation | Techniques and systems for wireless communications |
WO2011029075A2 (en) | 2009-09-03 | 2011-03-10 | Ziva Corporation | Techniques and systems for communications based on time reversal pre-coding |
US8811546B2 (en) * | 2012-06-08 | 2014-08-19 | Rockwell Collins, Inc. | Adaptive reference symbol method and apparatus for a receiver |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1232334A (zh) * | 1998-02-27 | 1999-10-20 | 朗迅科技公司 | 移动式接收机中的信道跟踪 |
CN1329409A (zh) * | 2000-06-15 | 2002-01-02 | 华为技术有限公司 | 速度自适应信道估计方法及装置 |
CN1337835A (zh) * | 2001-09-03 | 2002-02-27 | 信息产业部电信传输研究所 | 一种信道估计平均区间的动态调整方法和装置 |
EP1383263A1 (en) * | 2001-04-16 | 2004-01-21 | Huawei Technologies Co., Ltd. | Estimation method of flat fading channel in cdma communication system and apparatus for the same |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57210785A (en) * | 1981-06-19 | 1982-12-24 | Kokusai Denshin Denwa Co Ltd <Kdd> | Adaptive forecasting system between frames of television signal |
US4679086A (en) * | 1986-02-24 | 1987-07-07 | The United States Of America As Represented By The Secretary Of The Air Force | Motion sensitive frame integration |
US5719630A (en) * | 1993-12-10 | 1998-02-17 | Nec Corporation | Apparatus for compressive coding in moving picture coding device |
JP3426092B2 (ja) * | 1996-09-12 | 2003-07-14 | シャープ株式会社 | 動画像符号化装置における動き補償フレーム間予測方法 |
DE19923690A1 (de) | 1999-05-22 | 2000-12-07 | Bosch Gmbh Robert | Verfahren zur Schätzung der relativen Geschwindigkeit eines Senders gegenüber einem Empfänger und Empfangsvorrichtung für Funksignale |
US6184792B1 (en) * | 2000-04-19 | 2001-02-06 | George Privalov | Early fire detection method and apparatus |
US6636574B2 (en) * | 2001-05-31 | 2003-10-21 | Motorola, Inc. | Doppler spread/velocity estimation in mobile wireless communication devices and methods therefor |
US7106792B2 (en) * | 2001-06-04 | 2006-09-12 | Qualcomm, Inc. | Method and apparatus for estimating the signal to interference-plus-noise ratio of a wireless channel |
US6868271B2 (en) * | 2002-03-28 | 2005-03-15 | Nortel Networks Limited | Adaptive fast cell switching in cellular communications systems |
US7042928B2 (en) * | 2002-10-23 | 2006-05-09 | Qualcomm Incorporated | Method and apparatus for pilot estimation using prediction error method |
-
2004
- 2004-05-25 DE DE102004026072A patent/DE102004026072B4/de not_active Expired - Fee Related
-
2005
- 2005-04-29 EP EP05009416A patent/EP1601128B9/de not_active Not-in-force
- 2005-04-29 DE DE502005008607T patent/DE502005008607D1/de active Active
- 2005-05-25 CN CN200510072990.0A patent/CN1722712B/zh not_active Expired - Fee Related
- 2005-05-25 US US11/137,129 patent/US7496165B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1232334A (zh) * | 1998-02-27 | 1999-10-20 | 朗迅科技公司 | 移动式接收机中的信道跟踪 |
CN1329409A (zh) * | 2000-06-15 | 2002-01-02 | 华为技术有限公司 | 速度自适应信道估计方法及装置 |
EP1383263A1 (en) * | 2001-04-16 | 2004-01-21 | Huawei Technologies Co., Ltd. | Estimation method of flat fading channel in cdma communication system and apparatus for the same |
CN1337835A (zh) * | 2001-09-03 | 2002-02-27 | 信息产业部电信传输研究所 | 一种信道估计平均区间的动态调整方法和装置 |
Non-Patent Citations (1)
Title |
---|
CN 1329409 A,全文. |
Also Published As
Publication number | Publication date |
---|---|
EP1601128A2 (de) | 2005-11-30 |
DE502005008607D1 (de) | 2010-01-14 |
EP1601128B1 (de) | 2009-12-02 |
DE102004026072B4 (de) | 2007-02-15 |
EP1601128A3 (de) | 2008-09-24 |
US7496165B2 (en) | 2009-02-24 |
EP1601128B9 (de) | 2010-09-15 |
CN1722712A (zh) | 2006-01-18 |
US20050271171A1 (en) | 2005-12-08 |
DE102004026072A1 (de) | 2005-12-29 |
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