WO2006004550A3 - Non-contiguous variable length orthogonal codes - Google Patents

Non-contiguous variable length orthogonal codes Download PDF

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Publication number
WO2006004550A3
WO2006004550A3 PCT/SE2005/001129 SE2005001129W WO2006004550A3 WO 2006004550 A3 WO2006004550 A3 WO 2006004550A3 SE 2005001129 W SE2005001129 W SE 2005001129W WO 2006004550 A3 WO2006004550 A3 WO 2006004550A3
Authority
WO
WIPO (PCT)
Prior art keywords
chips
variable length
orthogonal codes
codes
length orthogonal
Prior art date
Application number
PCT/SE2005/001129
Other languages
French (fr)
Other versions
WO2006004550A2 (en
Inventor
Paul Dent
Original Assignee
Ericsson Telefon Ab L M
Paul Dent
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, Paul Dent filed Critical Ericsson Telefon Ab L M
Priority to US11/631,790 priority Critical patent/US8526482B2/en
Priority to EP05757933.6A priority patent/EP1763934B8/en
Priority to ES05757933.6T priority patent/ES2438532T3/en
Publication of WO2006004550A2 publication Critical patent/WO2006004550A2/en
Publication of WO2006004550A3 publication Critical patent/WO2006004550A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H04J13/12—Generation of orthogonal codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H04J13/102—Combining codes
    • H04J13/105—Combining codes by extending
    • 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
    • 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
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0048—Walsh

Abstract

[00085] Systems (20, 120, 220) for transmitting information symbols utilize ternary codes or pivot codes in conjunction with spread spectrum encoding. The systems comprise at least a first symbol source for supplying an information signal comprising at least a first stream of I,Q bit pairs, means (34)(130, 134)(230, 234) for using either a ternary code or at least one pivot code for spreading the at least first stream of I,Q bit pairs and thereby respectively forming first chips and second chips, and a radio signal modulator (44) for transmitting the first chips and second chips over a radio interface
PCT/SE2005/001129 2004-07-06 2005-07-06 Non-contiguous variable length orthogonal codes WO2006004550A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US11/631,790 US8526482B2 (en) 2004-07-06 2005-07-06 Non-contiguous variable length orthogonal codes
EP05757933.6A EP1763934B8 (en) 2004-07-06 2005-07-06 Non-contiguous variable length orthogonal codes
ES05757933.6T ES2438532T3 (en) 2004-07-06 2005-07-06 Non-contiguous variable length orthogonal codes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US58509704P 2004-07-06 2004-07-06
US60/585,097 2004-07-06

Publications (2)

Publication Number Publication Date
WO2006004550A2 WO2006004550A2 (en) 2006-01-12
WO2006004550A3 true WO2006004550A3 (en) 2006-02-23

Family

ID=35783259

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/SE2005/001129 WO2006004550A2 (en) 2004-07-06 2005-07-06 Non-contiguous variable length orthogonal codes
PCT/SE2005/001130 WO2006004551A2 (en) 2004-07-06 2005-07-06 Different orthogonal code sets with members in common

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/SE2005/001130 WO2006004551A2 (en) 2004-07-06 2005-07-06 Different orthogonal code sets with members in common

Country Status (4)

Country Link
US (2) US8004959B2 (en)
EP (2) EP1763934B8 (en)
ES (1) ES2438532T3 (en)
WO (2) WO2006004550A2 (en)

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US8817735B1 (en) * 2012-09-28 2014-08-26 Sprint Spectrum L.P. Systems and methods for allocating fully-orthogonal and quasi-orthogonal spreading codes to access terminals in radio access networks based on a tolerance level for additional interference on a per-access-terminal basis
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CN105515713B (en) * 2014-09-25 2018-11-30 中兴通讯股份有限公司 A kind of multi-user's CDMA communication method and corresponding transmitter, receiver

Also Published As

Publication number Publication date
US20080285534A1 (en) 2008-11-20
EP1763933B1 (en) 2018-03-14
EP1763933A2 (en) 2007-03-21
ES2438532T3 (en) 2014-01-17
EP1763934A4 (en) 2012-09-19
EP1763934A2 (en) 2007-03-21
WO2006004551A3 (en) 2006-02-23
EP1763933A4 (en) 2012-09-19
EP1763934B1 (en) 2013-10-23
US8004959B2 (en) 2011-08-23
US20070248148A1 (en) 2007-10-25
US8526482B2 (en) 2013-09-03
WO2006004550A2 (en) 2006-01-12
EP1763934B8 (en) 2013-12-04
WO2006004551A2 (en) 2006-01-12

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