AR018927A1 - Metodo y aparato para almacenar y acceder a diferentes secuencias de chips. - Google Patents

Metodo y aparato para almacenar y acceder a diferentes secuencias de chips.

Info

Publication number
AR018927A1
AR018927A1 ARP990103011A ARP990103011A AR018927A1 AR 018927 A1 AR018927 A1 AR 018927A1 AR P990103011 A ARP990103011 A AR P990103011A AR P990103011 A ARP990103011 A AR P990103011A AR 018927 A1 AR018927 A1 AR 018927A1
Authority
AR
Argentina
Prior art keywords
sequences
chip
memory
different
chip sequence
Prior art date
Application number
ARP990103011A
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 AR018927A1 publication Critical patent/AR018927A1/es

Links

Classifications

    • 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
    • H04B1/709—Correlator structure
    • 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
    • H04B2201/70707—Efficiency-related aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Circuits Of Receivers In General (AREA)
ARP990103011A 1998-06-23 1999-06-23 Metodo y aparato para almacenar y acceder a diferentes secuencias de chips. AR018927A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10277098A 1998-06-23 1998-06-23

Publications (1)

Publication Number Publication Date
AR018927A1 true AR018927A1 (es) 2001-12-12

Family

ID=22291593

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP990103011A AR018927A1 (es) 1998-06-23 1999-06-23 Metodo y aparato para almacenar y acceder a diferentes secuencias de chips.

Country Status (15)

Country Link
EP (1) EP1090465A1 (et)
JP (1) JP2002519887A (et)
KR (1) KR20010071566A (et)
CN (1) CN1307756A (et)
AR (1) AR018927A1 (et)
AU (1) AU4941099A (et)
BR (1) BR9911434A (et)
CA (1) CA2335742A1 (et)
EE (1) EE200000777A (et)
HK (1) HK1039225A1 (et)
ID (1) ID27301A (et)
IL (1) IL139840A0 (et)
NO (1) NO20006509L (et)
RU (1) RU2001101930A (et)
WO (1) WO1999067895A1 (et)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7085246B1 (en) 1999-05-19 2006-08-01 Motorola, Inc. Method and apparatus for acquisition of a spread-spectrum signal
US7031271B1 (en) 1999-05-19 2006-04-18 Motorola, Inc. Method of and apparatus for activating a spread-spectrum radiotelephone
US7522655B2 (en) 2002-09-09 2009-04-21 Infineon Technologies Ag Method and device for carrying out a plurality of correlation procedures in a mobile telephony environment
DE10241691A1 (de) * 2002-09-09 2004-03-25 Infineon Technologies Ag Einrichtung und Verfahren zur Durchführung von Korrelationen in einem Mobilfunksystem
CN100365945C (zh) * 2005-07-28 2008-01-30 上海大学 码分多址的扩谱通信系统和无中心无线网络
CN101162919B (zh) * 2006-10-11 2011-01-05 中兴通讯股份有限公司 一种数据缓存电路

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5345508A (en) * 1993-08-23 1994-09-06 Apple Computer, Inc. Method and apparatus for variable-overhead cached encryption
US5490165A (en) * 1993-10-28 1996-02-06 Qualcomm Incorporated Demodulation element assignment in a system capable of receiving multiple signals
JP2689890B2 (ja) * 1993-12-30 1997-12-10 日本電気株式会社 スペクトラム拡散受信機
US5457713A (en) * 1994-03-07 1995-10-10 Sanconix, Inc. Spread spectrum alignment repositioning method
JP3372135B2 (ja) * 1995-05-24 2003-01-27 ソニー株式会社 通信端末装置
EP0767544A3 (en) * 1995-10-04 2002-02-27 Interuniversitair Micro-Elektronica Centrum Vzw Programmable modem using spread spectrum communication

Also Published As

Publication number Publication date
AU4941099A (en) 2000-01-10
NO20006509D0 (no) 2000-12-20
HK1039225A1 (zh) 2002-04-12
CN1307756A (zh) 2001-08-08
KR20010071566A (ko) 2001-07-28
NO20006509L (no) 2000-12-20
RU2001101930A (ru) 2002-12-20
EP1090465A1 (en) 2001-04-11
WO1999067895A1 (en) 1999-12-29
ID27301A (id) 2001-03-22
CA2335742A1 (en) 1999-12-29
BR9911434A (pt) 2001-03-20
JP2002519887A (ja) 2002-07-02
EE200000777A (et) 2002-04-15
IL139840A0 (en) 2002-02-10

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