JP2001504670A - セルラー通信システムにおける移動局の速度推定方法 - Google Patents
セルラー通信システムにおける移動局の速度推定方法Info
- Publication number
- JP2001504670A JP2001504670A JP52461398A JP52461398A JP2001504670A JP 2001504670 A JP2001504670 A JP 2001504670A JP 52461398 A JP52461398 A JP 52461398A JP 52461398 A JP52461398 A JP 52461398A JP 2001504670 A JP2001504670 A JP 2001504670A
- Authority
- JP
- Japan
- Prior art keywords
- value
- calculating
- mobile station
- average
- frequency offset
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 64
- 230000010267 cellular communication Effects 0.000 title claims abstract description 20
- 238000012937 correction Methods 0.000 claims description 36
- 239000000523 sample Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 239000012723 sample buffer Substances 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 238000007476 Maximum Likelihood Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004422 calculation algorithm Methods 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
- G01S11/10—Systems for determining distance or velocity not using reflection or reradiation using radio waves using Doppler effect
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. セルラー通信システムにおける移動局の速度推定方法であって、 複数の受信バーストに対する位相誤差に関連する第1の値を算出するステップ と、 前記第1の値の少なくとも1つに基づいて平均値を算出するステップと、 前記平均値を前記移動局に対する速度値へ変換するステップと、 を含む方法。 2. 請求項1記載の方法であって、第1の値を算出する前記ステップは位相修 正角度に基づいて周波数オフセット値を算出するステップを含む方法。 3. 請求項2記載の方法であって、平均値を算出する前記ステップは総平均周 波数オフセット値を算出するステップを含む方法。 4. 請求項1記載の方法であって、さらに、 前記第1の値に関連するバーストの品質レベルを所定の品質レベルと比較する ステップと、 前記所定の品質レベルに達するかそれを越える品質レベルを有するバーストに 対応する前記第1の値の前記平均値を算出するための選択ステップと、 を含む方法。 5. 請求項4記載の方法であって、さらに、前記第1の値の選択された各値に 対する絶対第1値を算出するステップを含む方法。 6. 移動無線電話機の速度推定方法であって、 情報の複数の受信ブロックについて、位相修正角度から周波数オフ七ットを算 出するステップと、 情報の前記複数の受信ブロックに対する品質レベルを所定の品質しきい値と比 較するステップと、 前記所定の品質しきい値に達するかそれを越える前記品質レベルを有する情報 の前記複数の受信ブロックに関連する前記各周波数オフセットに対する絶対周波 数オフセットを算出するステップと、 前記移動無線電話機の前記速度に対応する前記総平均周波数オフセットを複数 の前記絶対周波数オフセットから算出するステップと、 を含む方法。 7. 請求項6記載の方法であって、情報の前記複数の受信ブロックの各々がバ ーストを含む方法。 8. 請求項6記載の方法であって、前記位相修正角度は受信機等化器ユニット 内で発生される方法。 9. 請求項6記載の方法であって、前記位相修正角度は位相誤差に関連する方 法。 10.請求項6記載の方法であって、前記位相修正角度は受信機自動周波数制御 ユニット内で発生される方法。 11セルラー通信システムにおいて移動局の速度を推定するのに使用する装置で あって、 情報の複数の受信ブロックに対して位相修正信号を発生する手段と、 前記位相修正信号に関連するオフセット値を算出する手段と、 前記オフセット値の少なくとも1つに基づいて平均値を算出する手段と、 前記平均値を前記移動局に対する速度値へ変換する手段と、 を含む装置。 12.請求項11記載の装置であって、位相修正信号を発生する前記手段は自動 周波数制御装置を含む装置。 13.請求項11記載の装置であって、情報の前記複数の受信ブロックの各々が バーストを含む装置。 14.請求項11記載の装置であって、前記セルラー通信システムはTDMAシ ステムを含む装置。 15.請求項11記載の装置であって、オフセット値および平均値を算出する前 記手段は前記移動局に関連するデジタルプロセッサを含む装置。 16.請求項11記載の装置であって、オフセット値および平均値を算出する前 記手段は基地局に関連するデジタルプロセッサを含む装置。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/757,517 US5884178A (en) | 1996-11-27 | 1996-11-27 | Method and apparatus for estimating speed of a mobile station in a cellular communications system |
| US08/757,517 | 1996-11-27 | ||
| PCT/SE1997/001993 WO1998024251A2 (en) | 1996-11-27 | 1997-11-27 | Method for estimating speed of a mobile station in a cellular communications system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001504670A true JP2001504670A (ja) | 2001-04-03 |
| JP4143128B2 JP4143128B2 (ja) | 2008-09-03 |
Family
ID=25048114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52461398A Expired - Lifetime JP4143128B2 (ja) | 1996-11-27 | 1997-11-27 | セルラー通信システムにおける移動局の速度推定方法 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5884178A (ja) |
| EP (1) | EP0941621B1 (ja) |
| JP (1) | JP4143128B2 (ja) |
| CN (1) | CN1104159C (ja) |
| AU (1) | AU731356B2 (ja) |
| BR (1) | BR9713444A (ja) |
| CA (1) | CA2271802C (ja) |
| DE (1) | DE69738453D1 (ja) |
| HU (1) | HUP0000571A3 (ja) |
| TW (1) | TW351032B (ja) |
| WO (1) | WO1998024251A2 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007117026A1 (ja) * | 2006-04-11 | 2007-10-18 | Mitsubishi Electric Corporation | 移動体端末の移動速度検出装置 |
| JP2008051816A (ja) * | 2006-08-25 | 2008-03-06 | Tektronix Inc | マグニチュード値決定方法及び装置 |
| WO2011083714A1 (ja) * | 2010-01-08 | 2011-07-14 | ソニー株式会社 | 受信装置、電子機器および移動速度の推定方法 |
| US8526997B2 (en) | 2009-03-24 | 2013-09-03 | Fujitsu Limited | Frequency control device, frequency control method, and base transceiver station |
Families Citing this family (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19631874A1 (de) * | 1996-08-07 | 1998-02-12 | Philips Patentverwaltung | Mobilfunkendgerät |
| US7035661B1 (en) | 1996-10-11 | 2006-04-25 | Arraycomm, Llc. | Power control with signal quality estimation for smart antenna communication systems |
| US6275543B1 (en) | 1996-10-11 | 2001-08-14 | Arraycomm, Inc. | Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing |
| US5884178A (en) * | 1996-11-27 | 1999-03-16 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for estimating speed of a mobile station in a cellular communications system |
| US6032033A (en) * | 1996-12-03 | 2000-02-29 | Nortel Networks Corporation | Preamble based selection diversity in a time division multiple access radio system using digital demodulation |
| WO1998034358A1 (en) * | 1997-02-04 | 1998-08-06 | Nokia Telecommunications Oy | Adaptive compensation of doppler shift in a mobile communication system |
| AU724387B2 (en) * | 1997-02-04 | 2000-09-21 | Nokia Telecommunications Oy | Compensation of doppler shift in a mobile communication system |
| JPH10290475A (ja) * | 1997-02-12 | 1998-10-27 | Fujitsu Ltd | 移動通信システム |
| US5963870A (en) * | 1997-03-26 | 1999-10-05 | Nortel Networks Corporation | Process for switching between IS-95 forward power control and fast forward power control |
| SE517660C2 (sv) * | 1997-06-23 | 2002-07-02 | Telia Ab | Förbättringar av, eller med avseende på, mobilradiotelefoni |
| US6052598A (en) * | 1997-09-30 | 2000-04-18 | At&T Corp | Method for predicting the location of a mobile station in a mobile communications network |
| US7299071B1 (en) | 1997-12-10 | 2007-11-20 | Arraycomm, Llc | Downlink broadcasting by sequential transmissions from a communication station having an antenna array |
| CA2230589C (en) * | 1998-02-25 | 2004-02-10 | Wen Tong | Determining sir in a communications system |
| US6356608B1 (en) * | 1998-06-29 | 2002-03-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Method, apparatus, and system for determining a location of a frequency synchronization signal |
| WO2000001174A1 (en) * | 1998-06-30 | 2000-01-06 | Mitsubishi Denki Kabushiki Kaisha | Mobile communication terminal |
| US7054635B1 (en) * | 1998-11-09 | 2006-05-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Cellular communications network and method for dynamically changing the size of a cell due to speech quality |
| US6370357B1 (en) * | 1998-12-21 | 2002-04-09 | Nortel Networks Limited | Mobile speed estimation for digital cellular radio systems |
| US6792275B1 (en) * | 1998-12-23 | 2004-09-14 | Telecommunication Laboratories, Changhwa Telecom Co., Ltd. | Fuzzy channel allocation controller having service quality insuring |
| DE69923541T2 (de) * | 1999-05-10 | 2006-02-16 | Lucent Technologies Inc. | Verfahren zur Bestimmung der Geschwindigkeit einer Mobilstation in einem zellularen Kommunikationssystem |
| US6141567A (en) * | 1999-06-07 | 2000-10-31 | Arraycomm, Inc. | Apparatus and method for beamforming in a changing-interference environment |
| US7139592B2 (en) * | 1999-06-21 | 2006-11-21 | Arraycomm Llc | Null deepening for an adaptive antenna based communication station |
| EP1077533A1 (en) | 1999-08-16 | 2001-02-21 | Matsushita Electric Industrial Co., Ltd. | Digital mobile wireless terminal and system using the same |
| US6233270B1 (en) * | 1999-09-28 | 2001-05-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Interference diversity in synchronized networks |
| JP2001102970A (ja) * | 1999-09-29 | 2001-04-13 | Matsushita Electric Ind Co Ltd | 通信端末装置及び無線通信方法 |
| JP3388215B2 (ja) * | 2000-02-03 | 2003-03-17 | 日本電気株式会社 | 移動状態検出機能付き携帯電話機 |
| US6564042B1 (en) * | 2000-03-03 | 2003-05-13 | Qualcomm Incorporated | Velocity-estimation-based gain tables |
| US6862457B1 (en) * | 2000-06-21 | 2005-03-01 | Qualcomm Incorporated | Method and apparatus for adaptive reverse link power control using mobility profiles |
| JP3588040B2 (ja) * | 2000-07-26 | 2004-11-10 | 松下電器産業株式会社 | 通信端末装置および基地局装置 |
| US6982968B1 (en) | 2000-09-29 | 2006-01-03 | Arraycomm, Inc. | Non-directional transmitting from a wireless data base station having a smart antenna system |
| US7043259B1 (en) * | 2000-09-29 | 2006-05-09 | Arraycomm, Inc. | Repetitive paging from a wireless data base station having a smart antenna system |
| US7062294B1 (en) | 2000-09-29 | 2006-06-13 | Arraycomm, Llc. | Downlink transmission in a wireless data communication system having a base station with a smart antenna system |
| HK1052971A1 (zh) * | 2000-10-23 | 2003-10-03 | 连宇通信有限公司 | 多譜勒頻移的測量方法及裝置 |
| US7120390B2 (en) * | 2001-03-21 | 2006-10-10 | Agere Systems Inc. | BLUETOOTH smart offset compensation |
| GB2374767B (en) * | 2001-03-21 | 2005-04-13 | Agere Syst Guardian Corp | Bluetooth smart offset compensation |
| DE10147462A1 (de) * | 2001-09-20 | 2003-04-17 | Bombardier Transp Gmbh | Verfahren und Vorrichtung zur Ortung von Fahrzeugen |
| ATE288650T1 (de) * | 2001-11-16 | 2005-02-15 | Com Res Gmbh Solutions For Com | Verfahren und system zur frequenzoffsetschätzung für trägermodulierte digitale kommunikationssysteme |
| WO2003047281A1 (en) * | 2001-11-26 | 2003-06-05 | Nokia Corporation | Mac layer inverse multiplexing in a third generation ran |
| US7126996B2 (en) * | 2001-12-28 | 2006-10-24 | Motorola, Inc. | Adaptive transmission method |
| US7302266B1 (en) * | 2002-10-17 | 2007-11-27 | Sprint Spectrum L.P. | Method and system for frequency usage |
| JP2004201001A (ja) * | 2002-12-18 | 2004-07-15 | Matsushita Electric Ind Co Ltd | 移動通信システムおよび移動通信制御方法 |
| US6882694B2 (en) * | 2002-12-31 | 2005-04-19 | Nokia Corporation | Apparatus, and associated method, for estimating frequency offset of a data symbol communicated in a communication system |
| JP2004235800A (ja) * | 2003-01-29 | 2004-08-19 | Evolium Sas | 移動無線機のハンドオーバー制御方法、基地局制御装置、及び移動無線機 |
| US7558575B2 (en) * | 2003-07-24 | 2009-07-07 | Motorola Inc. | Method and apparatus for wireless communication in a high velocity environment |
| KR101002857B1 (ko) * | 2003-09-16 | 2010-12-21 | 삼성전자주식회사 | 이동통신 시스템에서 이동단말의 속도 추정 방법 및 장치 |
| CN101057468B (zh) * | 2004-11-15 | 2014-06-18 | 皇家飞利浦电子股份有限公司 | 检测移动终端的高移动状态的方法和装置及有关设备 |
| JP4699843B2 (ja) * | 2005-09-15 | 2011-06-15 | 富士通株式会社 | 移動通信システム、並びに移動通信システムにおいて使用される基地局装置および移動局装置 |
| KR100656827B1 (ko) * | 2006-01-02 | 2006-12-13 | 주식회사 이노와이어리스 | 계측기의 휴대인터넷 신호 분석 방법 |
| EP2224606B1 (en) | 2009-02-27 | 2012-10-03 | Research In Motion Limited | A method and system for characterizing a radio channel of a wireless network using variability of synchronization |
| US8160503B2 (en) | 2009-02-27 | 2012-04-17 | Research In Motion Limited | Method and system for characterizing a radio channel of a wireless network using variability of synchronization |
| US8467809B2 (en) * | 2010-02-23 | 2013-06-18 | Garmin Switzerland Gmbh | Method and apparatus for estimating cellular tower location |
| US9736626B2 (en) | 2011-11-04 | 2017-08-15 | Zte Wistron Telecom Ab | Method and apparatus for estimating speed of a mobile terminal |
| CN103975539A (zh) * | 2011-12-06 | 2014-08-06 | 爱立信(中国)通信有限公司 | 多普勒频移补偿装置和方法 |
| US10791437B2 (en) * | 2018-04-18 | 2020-09-29 | Hdwb, Llc | Data transfer utilizing two-way radio transmission independent of or concurrent with other data transfer means |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4825448A (en) * | 1986-08-07 | 1989-04-25 | International Mobile Machines Corporation | Subscriber unit for wireless digital telephone system |
| SE462942B (sv) * | 1989-01-26 | 1990-09-17 | Ericsson Telefon Ab L M | Saett och anordning foer snabb frekvensstyrning av en koherent radiomottagare |
| US5161248A (en) * | 1989-10-02 | 1992-11-03 | Motorola, Inc. | Method of predicting cell-to-cell hand-offs for a satellite cellular communications system |
| US5297165A (en) * | 1990-07-06 | 1994-03-22 | Nippon Telegraph And Telephone Corporation | Equalizer for radio receive signal |
| GB9016277D0 (en) * | 1990-07-25 | 1990-09-12 | British Telecomm | Location and handover in mobile radio systems |
| GB9016341D0 (en) * | 1990-07-25 | 1990-09-12 | British Telecomm | Speed estimation |
| US5376894A (en) * | 1992-12-31 | 1994-12-27 | Pacific Communication Sciences, Inc. | Phase estimation and synchronization using a PSK demodulator |
| US5432822A (en) * | 1993-03-12 | 1995-07-11 | Hughes Aircraft Company | Error correcting decoder and decoding method employing reliability based erasure decision-making in cellular communication system |
| GB2285198B (en) * | 1993-12-22 | 1998-03-04 | Nokia Mobile Phones Ltd | Multi-mode radio telephone |
| US5513221A (en) * | 1994-05-19 | 1996-04-30 | Hughes Aircraft Company | Doppler bandwidth dependent estimation of a communications channel |
| US5659545A (en) * | 1994-11-15 | 1997-08-19 | Motorola, Inc. | Apparatus for mobile unit acquisition in a satellite communication system and method therefor |
| US5729558A (en) * | 1995-03-08 | 1998-03-17 | Lucent Technologies Inc. | Method of compensating for Doppler error in a wireless communications system, such as for GSM and IS54 |
| US5657487A (en) * | 1995-06-05 | 1997-08-12 | Airnet Communications Corporation | Mobile telephone location process making use of handoff data |
| US5884178A (en) * | 1996-11-27 | 1999-03-16 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for estimating speed of a mobile station in a cellular communications system |
-
1996
- 1996-11-27 US US08/757,517 patent/US5884178A/en not_active Expired - Lifetime
-
1997
- 1997-11-21 TW TW086117452A patent/TW351032B/zh not_active IP Right Cessation
- 1997-11-27 CA CA002271802A patent/CA2271802C/en not_active Expired - Fee Related
- 1997-11-27 JP JP52461398A patent/JP4143128B2/ja not_active Expired - Lifetime
- 1997-11-27 HU HU0000571A patent/HUP0000571A3/hu unknown
- 1997-11-27 AU AU51440/98A patent/AU731356B2/en not_active Ceased
- 1997-11-27 BR BR9713444-9A patent/BR9713444A/pt not_active Application Discontinuation
- 1997-11-27 WO PCT/SE1997/001993 patent/WO1998024251A2/en not_active Ceased
- 1997-11-27 CN CN97181533A patent/CN1104159C/zh not_active Expired - Fee Related
- 1997-11-27 DE DE69738453T patent/DE69738453D1/de not_active Expired - Lifetime
- 1997-11-27 EP EP97946223A patent/EP0941621B1/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007117026A1 (ja) * | 2006-04-11 | 2007-10-18 | Mitsubishi Electric Corporation | 移動体端末の移動速度検出装置 |
| JP4876124B2 (ja) * | 2006-04-11 | 2012-02-15 | 株式会社エヌ・ティ・ティ・ドコモ | 移動体端末の移動速度検出装置 |
| JP2008051816A (ja) * | 2006-08-25 | 2008-03-06 | Tektronix Inc | マグニチュード値決定方法及び装置 |
| US8526997B2 (en) | 2009-03-24 | 2013-09-03 | Fujitsu Limited | Frequency control device, frequency control method, and base transceiver station |
| WO2011083714A1 (ja) * | 2010-01-08 | 2011-07-14 | ソニー株式会社 | 受信装置、電子機器および移動速度の推定方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0941621B1 (en) | 2008-01-09 |
| BR9713444A (pt) | 2000-03-28 |
| WO1998024251A3 (en) | 1998-08-13 |
| TW351032B (en) | 1999-01-21 |
| CA2271802C (en) | 2007-04-10 |
| CA2271802A1 (en) | 1998-06-04 |
| US5884178A (en) | 1999-03-16 |
| HUP0000571A3 (en) | 2002-02-28 |
| HUP0000571A2 (hu) | 2000-06-28 |
| EP0941621A2 (en) | 1999-09-15 |
| CN1104159C (zh) | 2003-03-26 |
| AU5144098A (en) | 1998-06-22 |
| AU731356B2 (en) | 2001-03-29 |
| DE69738453D1 (de) | 2008-02-21 |
| CN1245616A (zh) | 2000-02-23 |
| JP4143128B2 (ja) | 2008-09-03 |
| WO1998024251A2 (en) | 1998-06-04 |
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