AU756608B2 - Multipath propagation delay determining means using periodically inserted pilot symbols - Google Patents
Multipath propagation delay determining means using periodically inserted pilot symbols Download PDFInfo
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- AU756608B2 AU756608B2 AU42631/99A AU4263199A AU756608B2 AU 756608 B2 AU756608 B2 AU 756608B2 AU 42631/99 A AU42631/99 A AU 42631/99A AU 4263199 A AU4263199 A AU 4263199A AU 756608 B2 AU756608 B2 AU 756608B2
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/70754—Setting of search window, i.e. range of code offsets to be searched
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7113—Determination of path profile
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/70755—Setting of lock conditions, e.g. threshold
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
- H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70702—Intercell-related aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/18—Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19824218 | 1998-05-29 | ||
| DE19824218A DE19824218C1 (de) | 1998-05-29 | 1998-05-29 | Multipfad-Ausbreitungsverzögerungs-Bestimmungsvorrichtung unter Verwendung von periodisch eingefügten Pilotsymbolen |
| PCT/EP1999/003386 WO1999063677A1 (en) | 1998-05-29 | 1999-05-17 | Multipath propagation delay determining means using periodically inserted pilot symbols |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU4263199A AU4263199A (en) | 1999-12-20 |
| AU756608B2 true AU756608B2 (en) | 2003-01-16 |
Family
ID=7869404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU42631/99A Ceased AU756608B2 (en) | 1998-05-29 | 1999-05-17 | Multipath propagation delay determining means using periodically inserted pilot symbols |
Country Status (9)
| Country | Link |
|---|---|
| EP (2) | EP1303058B1 (enExample) |
| JP (1) | JP4480889B2 (enExample) |
| KR (1) | KR100694927B1 (enExample) |
| CN (1) | CN100385812C (enExample) |
| AR (1) | AR019597A1 (enExample) |
| AU (1) | AU756608B2 (enExample) |
| CA (1) | CA2333479C (enExample) |
| DE (1) | DE19824218C1 (enExample) |
| WO (1) | WO1999063677A1 (enExample) |
Families Citing this family (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3412689B2 (ja) | 1999-08-26 | 2003-06-03 | 日本電気株式会社 | 携帯電話機 |
| US7428265B1 (en) | 1999-11-12 | 2008-09-23 | Cornell Research Foundation | Systems and methods for optimal symbol spacing to minimize intersymbol interference in a receiver |
| TW486914B (en) * | 1999-12-02 | 2002-05-11 | Ericsson Telefon Ab L M | Synchronization of diversity handover destination base station |
| JP2001196975A (ja) * | 2000-01-17 | 2001-07-19 | Nec Corp | Ｃｄｍａ方式無線基地局用の同期捕捉回路 |
| JP3943305B2 (ja) * | 2000-01-19 | 2007-07-11 | 三菱電機株式会社 | スペクトル拡散受信装置、およびスペクトル拡散受信方法 |
| JP3566895B2 (ja) | 2000-02-15 | 2004-09-15 | 株式会社エヌ・ティ・ティ・ドコモ | 先頭波位置検出装置、受信装置、先頭位置検出装置、先頭波位置検出方法および先頭位置検出方法 |
| DE10012875B4 (de) | 2000-03-16 | 2004-04-01 | Infineon Technologies Ag | Mobilfunkempfänger |
| JP4255601B2 (ja) | 2000-06-14 | 2009-04-15 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システムにおける移動局の同期確立方法 |
| JP2002026768A (ja) | 2000-07-07 | 2002-01-25 | Nec Corp | 通信装置 |
| JP2002164812A (ja) | 2000-11-24 | 2002-06-07 | Nec Corp | スペクトラム拡散通信用パスサーチ回路 |
| JP3428637B2 (ja) | 2000-11-27 | 2003-07-22 | 日本電気株式会社 | Ｃｄｍａ受信機のマルチパス検出方法および回路 |
| US6907245B2 (en) | 2000-12-04 | 2005-06-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Dynamic offset threshold for diversity handover in telecommunications system |
| US6954644B2 (en) | 2000-12-04 | 2005-10-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Using geographical coordinates to determine mobile station time position for synchronization during diversity handover |
| US6980803B2 (en) | 2000-12-04 | 2005-12-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Using statistically ascertained position for starting synchronization searcher during diversity handover |
| JP2004289191A (ja) * | 2001-01-19 | 2004-10-14 | Yozan Inc | Ｄｓ−ｃｄｍａシステムにおけるパスサーチ方法および受信装置 |
| WO2002091607A1 (de) * | 2001-05-08 | 2002-11-14 | Siemens Aktiengesellschaft | Verfahren zur detektion von mehrwegsignalen |
| TWI261468B (en) | 2001-11-02 | 2006-09-01 | Benq Corp | Rake reception device and method |
| JP4089245B2 (ja) * | 2002-03-06 | 2008-05-28 | 日本電気株式会社 | 移動通信端末装置及びそのセルサーチ制御方法並びにプログラム |
| KR100485516B1 (ko) | 2002-04-22 | 2005-04-27 | 주식회사 케이티프리텔 | 이동 통신망의 기지국 및 그 기지국에서 신호 수신 및처리 방법 |
| FR2841407B1 (fr) * | 2002-06-20 | 2004-08-13 | Nec Technologies Uk Ltd | Procede d'optimisation de la recherche de cellules dans un reseau de telecommunication mobile |
| DE10238300B4 (de) * | 2002-08-21 | 2006-08-10 | Infineon Technologies Ag | Verfahren und Architektur zur Übergabe von Symbolen einer Rake-Finger-Struktur an aufgabenspezifische Hardware-Module |
| US7142586B2 (en) | 2002-09-18 | 2006-11-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Robust delay estimation architecture |
| JP4165238B2 (ja) * | 2003-01-29 | 2008-10-15 | 日本電気株式会社 | パスサーチ回路及びその方法ならびにプログラム |
| DE10303912B4 (de) * | 2003-01-31 | 2005-03-17 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Bestimmung von Energieverzögerungsprofilen bei einer Datenstrombübertragung über mehrfache Datenübertragungspfade |
| EP1453218A1 (de) * | 2003-02-28 | 2004-09-01 | Siemens Aktiengesellschaft | Verfahren zur Auswertung von Signalen in einer Empfangsstation eines Funksystems und Empfangsstation |
| US7437135B2 (en) | 2003-10-30 | 2008-10-14 | Interdigital Technology Corporation | Joint channel equalizer interference canceller advanced receiver |
| US20050113142A1 (en) * | 2003-11-20 | 2005-05-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Temporal joint searcher and channel estimators |
| US20050111598A1 (en) * | 2003-11-20 | 2005-05-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Spatio-temporal joint searcher and channel estimators |
| US7308286B2 (en) * | 2003-11-20 | 2007-12-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Multi-dimensional joint searcher and channel estimators |
| CN1622501B (zh) * | 2003-11-25 | 2011-06-08 | 华为技术有限公司 | 一种提取多径的方法及装置 |
| US7400692B2 (en) | 2004-01-14 | 2008-07-15 | Interdigital Technology Corporation | Telescoping window based equalization |
| US7453920B2 (en) | 2004-03-09 | 2008-11-18 | Atc Technologies, Llc | Code synchronization in CDMA satellite wireless communications system using uplink channel detection |
| US7421271B2 (en) * | 2004-04-12 | 2008-09-02 | Lucent Technologies Inc. | Sector switching detection method |
| JP4448403B2 (ja) | 2004-08-16 | 2010-04-07 | 富士通株式会社 | 電力レベル測定装置及び移動局 |
| US7372895B2 (en) | 2004-12-08 | 2008-05-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Method of and system for delay estimation with minimized finger allocation |
| US7480356B2 (en) | 2004-12-08 | 2009-01-20 | Telefonaktiebolaget L M Ericsson (Publ) | Method of and system for path selection in rich multipath conditions |
| US7826800B2 (en) | 2006-11-27 | 2010-11-02 | Orthosoft Inc. | Method and system for determining a time delay between transmission and reception of an RF signal in a noisy RF environment using phase detection |
| US20080151969A1 (en) * | 2006-12-21 | 2008-06-26 | Andres Reial | Efficient Delay Profile Computation with Receive Diversity |
| CN101425819B (zh) * | 2007-10-31 | 2013-03-20 | 凌阳电通科技股份有限公司 | 于信道估测中的时序控制方法与装置 |
| JP5125916B2 (ja) * | 2008-09-10 | 2013-01-23 | 富士通株式会社 | 受信装置および通信制御方法 |
| CN102045815B (zh) * | 2009-10-10 | 2013-01-30 | 中国科学院计算技术研究所 | 用于lte系统的小区搜索装置和方法 |
| JP5891623B2 (ja) * | 2011-07-07 | 2016-03-23 | ソニー株式会社 | 通信制御装置、通信制御方法およびプログラム |
| CN108777591B (zh) * | 2018-05-31 | 2020-06-02 | 清华大学 | 数字增益控制器及控制方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996010873A1 (en) * | 1994-09-30 | 1996-04-11 | Qualcomm Incorporated | Multipath search processor for a spread spectrum multiple access communication system |
| EP0776105A1 (en) * | 1995-06-13 | 1997-05-28 | Ntt Mobile Communications Network Inc. | Cdma demodulator |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5812542A (en) * | 1996-03-18 | 1998-09-22 | Motorola, Inc. | Method for determining weighting coefficients in a CDMA radio receiver |
| US5490165A (en) * | 1993-10-28 | 1996-02-06 | Qualcomm Incorporated | Demodulation element assignment in a system capable of receiving multiple signals |
| FR2733113B1 (fr) * | 1995-04-14 | 1997-06-13 | Europ Agence Spatiale | Recepteur de signal a spectre etale |
| US5648983A (en) * | 1995-04-24 | 1997-07-15 | Lucent Technologies Inc. | CDMA rake receiver with sub-chip resolution |
| US5945948A (en) * | 1996-09-03 | 1999-08-31 | Motorola, Inc. | Method and apparatus for location finding in a communication system |
-
1998
- 1998-05-29 DE DE19824218A patent/DE19824218C1/de not_active Expired - Fee Related
-
1999
- 1999-05-17 CN CNB998092304A patent/CN100385812C/zh not_active Expired - Fee Related
- 1999-05-17 EP EP03000023A patent/EP1303058B1/en not_active Expired - Lifetime
- 1999-05-17 CA CA002333479A patent/CA2333479C/en not_active Expired - Fee Related
- 1999-05-17 EP EP99955374A patent/EP1082821B1/en not_active Expired - Lifetime
- 1999-05-17 KR KR1020007013465A patent/KR100694927B1/ko not_active Expired - Lifetime
- 1999-05-17 WO PCT/EP1999/003386 patent/WO1999063677A1/en not_active Ceased
- 1999-05-17 JP JP2000552784A patent/JP4480889B2/ja not_active Expired - Lifetime
- 1999-05-17 AU AU42631/99A patent/AU756608B2/en not_active Ceased
- 1999-05-28 AR ARP990102551A patent/AR019597A1/es active IP Right Grant
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996010873A1 (en) * | 1994-09-30 | 1996-04-11 | Qualcomm Incorporated | Multipath search processor for a spread spectrum multiple access communication system |
| EP0776105A1 (en) * | 1995-06-13 | 1997-05-28 | Ntt Mobile Communications Network Inc. | Cdma demodulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1311924A (zh) | 2001-09-05 |
| CN100385812C (zh) | 2008-04-30 |
| WO1999063677A1 (en) | 1999-12-09 |
| AR019597A1 (es) | 2002-02-27 |
| CA2333479A1 (en) | 1999-12-09 |
| AU4263199A (en) | 1999-12-20 |
| EP1082821A1 (en) | 2001-03-14 |
| EP1303058A3 (en) | 2005-02-02 |
| EP1082821B1 (en) | 2003-04-16 |
| EP1303058A2 (en) | 2003-04-16 |
| EP1303058B1 (en) | 2007-07-11 |
| KR100694927B1 (ko) | 2007-03-14 |
| DE19824218C1 (de) | 2000-03-23 |
| KR20010052444A (ko) | 2001-06-25 |
| JP2002517938A (ja) | 2002-06-18 |
| CA2333479C (en) | 2008-12-16 |
| JP4480889B2 (ja) | 2010-06-16 |
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