CO5300492A1 - METHOD TO ESTIMATE DOPPLER PROPAGATION INCLUDING HYPOTHESIS OF AUTOCORRELATION FUNCTION AND RELATED SYSTEMS AND RECEIVERS - Google Patents
METHOD TO ESTIMATE DOPPLER PROPAGATION INCLUDING HYPOTHESIS OF AUTOCORRELATION FUNCTION AND RELATED SYSTEMS AND RECEIVERSInfo
- Publication number
- CO5300492A1 CO5300492A1 CO00057675A CO00057675A CO5300492A1 CO 5300492 A1 CO5300492 A1 CO 5300492A1 CO 00057675 A CO00057675 A CO 00057675A CO 00057675 A CO00057675 A CO 00057675A CO 5300492 A1 CO5300492 A1 CO 5300492A1
- Authority
- CO
- Colombia
- Prior art keywords
- autocorrelation function
- communications channel
- estimate
- receivers
- related systems
- Prior art date
Links
- 238000005311 autocorrelation function Methods 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 2
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/01—Reducing phase shift
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Noise Elimination (AREA)
Abstract
Un método para estimar una propagación Doppler para un canal de comunicaciones, que comprende:El suministro de una estimación del canal de comunicaciones;La generación de una función de autocorrelación para la estimación del canal de comunicaciones;La selección de una de las diversas hipótesis de función de autocorrelación para aproximar la función de autocorrelación como estimación del canal de comunicaciones, en donde cada una de las hipótesis de función de autocorrelación corresponde a una hipótesis estimada de propagación Doppler respectiva;Y,La selección de una de las hipótesis de estimación de propagación Doppler correspondiente a las hipótesis de función de autocorrelación seleccionadas, como una estimación de la propagación Doppler para el canal de comunicaciones.<EMI FILE="00057675_1" ID="1" IMF=JPEG >A method for estimating a Doppler propagation for a communications channel, comprising: The provision of an estimate of the communications channel; The generation of an autocorrelation function for the estimation of the communications channel; The selection of one of the various hypotheses of autocorrelation function to approximate the autocorrelation function as an estimate of the communications channel, where each of the hypotheses of autocorrelation function corresponds to an estimated hypothesis of respective Doppler propagation; and, the selection of one of the propagation estimation hypotheses Doppler corresponding to the selected autocorrelation function assumptions, such as an estimate of the Doppler propagation for the communications channel. <EMI FILE = "00057675_1" ID = "1" MFI = JPEG>
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/373,289 US6680969B1 (en) | 1999-03-22 | 1999-08-12 | Methods for estimating doppler spreads including autocorrelation function hypotheses and related systems and receivers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CO5300492A1 true CO5300492A1 (en) | 2003-07-31 |
Family
ID=23471773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CO00057675A CO5300492A1 (en) | 1999-08-12 | 2000-08-01 | METHOD TO ESTIMATE DOPPLER PROPAGATION INCLUDING HYPOTHESIS OF AUTOCORRELATION FUNCTION AND RELATED SYSTEMS AND RECEIVERS |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JP4659317B2 (en) |
| CN (1) | CN1156999C (en) |
| AR (1) | AR025231A1 (en) |
| AU (1) | AU6755000A (en) |
| CO (1) | CO5300492A1 (en) |
| DE (1) | DE10084912T1 (en) |
| MY (1) | MY125793A (en) |
| WO (1) | WO2001013537A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6922452B2 (en) | 2001-03-27 | 2005-07-26 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for estimating Doppler spread |
| FI110725B (en) | 2001-04-20 | 2003-03-14 | Nokia Corp | Method of receiver synchronization and receiver |
| US6636574B2 (en) * | 2001-05-31 | 2003-10-21 | Motorola, Inc. | Doppler spread/velocity estimation in mobile wireless communication devices and methods therefor |
| DE50100374D1 (en) | 2001-11-19 | 2003-08-14 | Alcatel Sa | Selection of the autocorrelation function of the interference components in the received message signal |
| ATE363773T1 (en) | 2002-02-18 | 2007-06-15 | Ericsson Telefon Ab L M | METHOD AND APPARATUS FOR DOPPLER SPREAD ESTIMATION AND DOPPLER SHIFT ESTIMATION |
| AU2003245806A1 (en) * | 2003-06-05 | 2005-01-04 | Huawei Technologies Co., Ltd. | Method for estimation of maximum doppler frequency |
| US8027373B2 (en) | 2005-09-15 | 2011-09-27 | Qualcomm Incorporated | Quick detection of signaling in a wireless communication system |
| DE602008000755D1 (en) | 2008-01-11 | 2010-04-15 | Ntt Docomo Inc | Method, apparatus and system for channel estimation in two-way relay networks |
| EP2636158A4 (en) * | 2010-11-04 | 2016-02-17 | Ericsson Telefon Ab L M | A radio base station and a method therein for estimating a doppler spread |
| US9794015B2 (en) * | 2014-04-04 | 2017-10-17 | Apple Inc. | Cell measurements in unlicensed frequency bands |
| CN106412980B (en) * | 2016-09-08 | 2020-03-03 | 赵涵 | Mobile terminal speed measurement method based on Doppler frequency shift measurement and oriented to LTE |
| CN115189785B (en) * | 2021-04-02 | 2023-10-27 | ***通信集团终端有限公司 | Method, system and equipment for verifying Doppler spread of channel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4914699A (en) * | 1988-10-11 | 1990-04-03 | Itt Corporation | High frequency anti-jam communication system terminal |
| FR2708162B1 (en) * | 1993-07-20 | 1995-09-01 | Alcatel Mobile Comm France | Method for determining the optimal length of a data block in a time division multiple access (TDMA) communication system. |
| JPH11234190A (en) * | 1998-02-12 | 1999-08-27 | Oki Electric Ind Co Ltd | Maximum doppler frequency observation circuit, radio channel estimation circuit and object moving speed observation circuit |
-
2000
- 2000-07-13 MY MYPI20003214A patent/MY125793A/en unknown
- 2000-08-01 CO CO00057675A patent/CO5300492A1/en not_active Application Discontinuation
- 2000-08-02 DE DE10084912T patent/DE10084912T1/en not_active Withdrawn
- 2000-08-02 JP JP2001517721A patent/JP4659317B2/en not_active Expired - Fee Related
- 2000-08-02 WO PCT/US2000/021081 patent/WO2001013537A1/en active Application Filing
- 2000-08-02 CN CNB008137994A patent/CN1156999C/en not_active Expired - Fee Related
- 2000-08-02 AU AU67550/00A patent/AU6755000A/en not_active Abandoned
- 2000-08-11 AR ARP000104169A patent/AR025231A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001013537A1 (en) | 2001-02-22 |
| MY125793A (en) | 2006-08-30 |
| DE10084912T1 (en) | 2002-09-26 |
| CN1156999C (en) | 2004-07-07 |
| AR025231A1 (en) | 2002-11-13 |
| CN1385007A (en) | 2002-12-11 |
| JP4659317B2 (en) | 2011-03-30 |
| AU6755000A (en) | 2001-03-13 |
| JP2003507927A (en) | 2003-02-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FA | Application withdrawn |