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ZA200100769B - Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties. - Google Patents

Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties. Download PDF

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Publication number
ZA200100769B
ZA200100769B ZA200100769A ZA200100769A ZA200100769B ZA 200100769 B ZA200100769 B ZA 200100769B ZA 200100769 A ZA200100769 A ZA 200100769A ZA 200100769 A ZA200100769 A ZA 200100769A ZA 200100769 B ZA200100769 B ZA 200100769B
Authority
ZA
South Africa
Prior art keywords
hadamard
sequence
sequences
walsh
code
Prior art date
Application number
ZA200100769A
Other languages
English (en)
Inventor
Johan Nystroem
Popovi C Branislav
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22467212&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA200100769(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of ZA200100769B publication Critical patent/ZA200100769B/en

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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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0044—OVSF [orthogonal variable spreading factor]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H04J13/18—Allocation of orthogonal codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
ZA200100769A 1998-08-17 2001-01-26 Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties. ZA200100769B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/135,247 US6526091B1 (en) 1998-08-17 1998-08-17 Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties

Publications (1)

Publication Number Publication Date
ZA200100769B true ZA200100769B (en) 2001-08-08

Family

ID=22467212

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200100769A ZA200100769B (en) 1998-08-17 2001-01-26 Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties.

Country Status (15)

Country Link
US (1) US6526091B1 (pt)
EP (1) EP1105991B1 (pt)
JP (1) JP4230111B2 (pt)
KR (1) KR100691603B1 (pt)
CN (1) CN1143467C (pt)
AR (1) AR025263A1 (pt)
AU (1) AU772280B2 (pt)
BR (1) BR9913041B1 (pt)
CA (1) CA2338560C (pt)
DE (1) DE69936455C5 (pt)
MY (1) MY125162A (pt)
RU (1) RU2234196C2 (pt)
TW (1) TW435012B (pt)
WO (1) WO2000010277A1 (pt)
ZA (1) ZA200100769B (pt)

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Also Published As

Publication number Publication date
EP1105991A1 (en) 2001-06-13
JP4230111B2 (ja) 2009-02-25
DE69936455D1 (de) 2007-08-16
US6526091B1 (en) 2003-02-25
DE69936455C5 (de) 2021-07-29
RU2234196C2 (ru) 2004-08-10
EP1105991B1 (en) 2007-07-04
AR025263A1 (es) 2002-11-20
TW435012B (en) 2001-05-16
WO2000010277A1 (en) 2000-02-24
MY125162A (en) 2006-07-31
BR9913041A (pt) 2001-05-08
KR20010072762A (ko) 2001-07-31
KR100691603B1 (ko) 2007-03-09
CA2338560C (en) 2008-03-25
DE69936455T2 (de) 2008-03-06
CN1143467C (zh) 2004-03-24
CA2338560A1 (en) 2000-02-24
JP2002523922A (ja) 2002-07-30
BR9913041B1 (pt) 2013-05-28
CN1323474A (zh) 2001-11-21
AU772280B2 (en) 2004-04-22
AU5662399A (en) 2000-03-06

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