AR019597A1 - Medio de determinacion de demora de propagacion de multitrayecto que usa simbolos piloto insertados periodicamente - Google Patents

Medio de determinacion de demora de propagacion de multitrayecto que usa simbolos piloto insertados periodicamente

Info

Publication number
AR019597A1
AR019597A1 ARP990102551A ARP990102551A AR019597A1 AR 019597 A1 AR019597 A1 AR 019597A1 AR P990102551 A ARP990102551 A AR P990102551A AR P990102551 A ARP990102551 A AR P990102551A AR 019597 A1 AR019597 A1 AR 019597A1
Authority
AR
Argentina
Prior art keywords
cdma
pilot symbols
tsk
pdi
psi
Prior art date
Application number
ARP990102551A
Other languages
English (en)
Spanish (es)
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of AR019597A1 publication Critical patent/AR019597A1/es

Links

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)
ARP990102551A 1998-05-29 1999-05-28 Medio de determinacion de demora de propagacion de multitrayecto que usa simbolos piloto insertados periodicamente AR019597A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19824218A DE19824218C1 (de) 1998-05-29 1998-05-29 Multipfad-Ausbreitungsverzögerungs-Bestimmungsvorrichtung unter Verwendung von periodisch eingefügten Pilotsymbolen

Publications (1)

Publication Number Publication Date
AR019597A1 true AR019597A1 (es) 2002-02-27

Family

ID=7869404

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP990102551A AR019597A1 (es) 1998-05-29 1999-05-28 Medio de determinacion de demora de propagacion de multitrayecto que usa simbolos piloto insertados periodicamente

Country Status (9)

Country Link
EP (2) EP1303058B1 (https=)
JP (1) JP4480889B2 (https=)
KR (1) KR100694927B1 (https=)
CN (1) CN100385812C (https=)
AR (1) AR019597A1 (https=)
AU (1) AU756608B2 (https=)
CA (1) CA2333479C (https=)
DE (1) DE19824218C1 (https=)
WO (1) WO1999063677A1 (https=)

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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
US6980803B2 (en) 2000-12-04 2005-12-27 Telefonaktiebolaget Lm Ericsson (Publ) Using statistically ascertained position for starting synchronization searcher during diversity handover
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
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
EP1386411B1 (de) 2001-05-08 2005-07-20 Siemens Aktiengesellschaft Verfahren zur detektion von mehrwegesignalen
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
DE10310126A1 (de) * 2003-02-28 2004-05-19 Siemens Ag 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
US7308286B2 (en) * 2003-11-20 2007-12-11 Telefonaktiebolaget Lm Ericsson (Publ) Multi-dimensional joint searcher and channel estimators
US20050111598A1 (en) * 2003-11-20 2005-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Spatio-temporal joint searcher and channel estimators
US20050113142A1 (en) * 2003-11-20 2005-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Temporal 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

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Also Published As

Publication number Publication date
EP1082821A1 (en) 2001-03-14
AU4263199A (en) 1999-12-20
AU756608B2 (en) 2003-01-16
EP1303058B1 (en) 2007-07-11
CN1311924A (zh) 2001-09-05
CA2333479C (en) 2008-12-16
KR100694927B1 (ko) 2007-03-14
CN100385812C (zh) 2008-04-30
KR20010052444A (ko) 2001-06-25
EP1082821B1 (en) 2003-04-16
JP2002517938A (ja) 2002-06-18
DE19824218C1 (de) 2000-03-23
CA2333479A1 (en) 1999-12-09
JP4480889B2 (ja) 2010-06-16
EP1303058A3 (en) 2005-02-02
EP1303058A2 (en) 2003-04-16
WO1999063677A1 (en) 1999-12-09

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