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FI940692L - Menetelmä impulssivasteen huippukohtien etsimiseksi sekä vastaanotin - Google Patents

Menetelmä impulssivasteen huippukohtien etsimiseksi sekä vastaanotin Download PDF

Info

Publication number
FI940692L
FI940692L FI940692A FI940692A FI940692L FI 940692 L FI940692 L FI 940692L FI 940692 A FI940692 A FI 940692A FI 940692 A FI940692 A FI 940692A FI 940692 L FI940692 L FI 940692L
Authority
FI
Finland
Prior art keywords
impulse response
receiver
response peaks
values
basis
Prior art date
Application number
FI940692A
Other languages
English (en)
Swedish (sv)
Other versions
FI940692A0 (fi
Inventor
Jari Parviainen
Original Assignee
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI940692A priority Critical patent/FI940692L/fi
Publication of FI940692A0 publication Critical patent/FI940692A0/fi
Priority to GB9502104A priority patent/GB2286509B/en
Publication of FI940692L publication Critical patent/FI940692L/fi

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
    • H04B1/7073—Synchronisation aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
FI940692A 1994-02-14 1994-02-14 Menetelmä impulssivasteen huippukohtien etsimiseksi sekä vastaanotin FI940692L (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI940692A FI940692L (fi) 1994-02-14 1994-02-14 Menetelmä impulssivasteen huippukohtien etsimiseksi sekä vastaanotin
GB9502104A GB2286509B (en) 1994-02-14 1995-02-03 A method for receiving signals and processing them and a receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI940692A FI940692L (fi) 1994-02-14 1994-02-14 Menetelmä impulssivasteen huippukohtien etsimiseksi sekä vastaanotin

Publications (2)

Publication Number Publication Date
FI940692A0 FI940692A0 (fi) 1994-02-14
FI940692L true FI940692L (fi) 1995-08-15

Family

ID=8540110

Family Applications (1)

Application Number Title Priority Date Filing Date
FI940692A FI940692L (fi) 1994-02-14 1994-02-14 Menetelmä impulssivasteen huippukohtien etsimiseksi sekä vastaanotin

Country Status (2)

Country Link
FI (1) FI940692L (fi)
GB (1) GB2286509B (fi)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09261128A (ja) * 1996-03-22 1997-10-03 Matsushita Electric Ind Co Ltd スペクトル拡散通信機
US5903596A (en) * 1996-05-16 1999-05-11 Nakano; Takayuki Spread spectrum demodulation unit
JPH10200505A (ja) * 1997-01-06 1998-07-31 Sony Corp 受信装置及び受信方法、並びに無線システムの端末装置
JPH10200506A (ja) * 1997-01-06 1998-07-31 Sony Corp 受信装置及び受信方法、並びに無線システムの端末装置
AU688231B1 (en) * 1997-03-12 1998-03-05 Nokia Telecommunications Oy Estimating CIR using correlation with line removal
DE19724027C2 (de) 1997-06-06 1999-09-30 Siemens Ag Verfahren und Anordnung zum Empfang von Daten
US6560273B1 (en) * 1998-10-07 2003-05-06 Ericsson Inc. Delay searcher and delay trackers interaction for new delays assignment to rake fingers
CN1370360A (zh) * 1999-08-16 2002-09-18 罗克马诺尔研究有限公司 在电信系统中估计小区间干扰的方法
DE10001649A1 (de) * 2000-01-17 2001-08-02 Infineon Technologies Ag CDMA-Empfänger
JP2002164811A (ja) 2000-11-24 2002-06-07 Toshiba Corp 時期同定方法、時期同定装置および時期同定システム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2268371B (en) * 1992-04-10 1995-09-20 Roke Manor Research Radio communication systems
GB2282300B (en) * 1993-09-22 1997-10-22 Northern Telecom Ltd Communications system and receiver devices therefor

Also Published As

Publication number Publication date
FI940692A0 (fi) 1994-02-14
GB2286509A (en) 1995-08-16
GB9502104D0 (en) 1995-03-22
GB2286509B (en) 1998-07-15

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