IT1320651B1 - Procedimento e dispositivo per la generazione di codici, ad esempiocodici per applicazioni cdma. - Google Patents

Procedimento e dispositivo per la generazione di codici, ad esempiocodici per applicazioni cdma.

Info

Publication number
IT1320651B1
IT1320651B1 IT2000TO000871A ITTO20000871A IT1320651B1 IT 1320651 B1 IT1320651 B1 IT 1320651B1 IT 2000TO000871 A IT2000TO000871 A IT 2000TO000871A IT TO20000871 A ITTO20000871 A IT TO20000871A IT 1320651 B1 IT1320651 B1 IT 1320651B1
Authority
IT
Italy
Prior art keywords
codes
procedure
generation
cdma applications
cdma
Prior art date
Application number
IT2000TO000871A
Other languages
English (en)
Inventor
Alessandro Lattuca
Giuseppe Avellone
Ettore Messina
Agostino Galluzzo
Original Assignee
St Microelectronics Srl
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 St Microelectronics Srl filed Critical St Microelectronics Srl
Priority to IT2000TO000871A priority Critical patent/IT1320651B1/it
Publication of ITTO20000871A0 publication Critical patent/ITTO20000871A0/it
Priority to US09/953,062 priority patent/US6956890B2/en
Publication of ITTO20000871A1 publication Critical patent/ITTO20000871A1/it
Application granted granted Critical
Publication of IT1320651B1 publication Critical patent/IT1320651B1/it

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
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0048—Walsh

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
IT2000TO000871A 2000-09-15 2000-09-15 Procedimento e dispositivo per la generazione di codici, ad esempiocodici per applicazioni cdma. IT1320651B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT2000TO000871A IT1320651B1 (it) 2000-09-15 2000-09-15 Procedimento e dispositivo per la generazione di codici, ad esempiocodici per applicazioni cdma.
US09/953,062 US6956890B2 (en) 2000-09-15 2001-09-13 Process and device for the generation of codes, for example channeling codes for CDMA applications

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2000TO000871A IT1320651B1 (it) 2000-09-15 2000-09-15 Procedimento e dispositivo per la generazione di codici, ad esempiocodici per applicazioni cdma.

Publications (3)

Publication Number Publication Date
ITTO20000871A0 ITTO20000871A0 (it) 2000-09-15
ITTO20000871A1 ITTO20000871A1 (it) 2002-03-15
IT1320651B1 true IT1320651B1 (it) 2003-12-10

Family

ID=11458043

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2000TO000871A IT1320651B1 (it) 2000-09-15 2000-09-15 Procedimento e dispositivo per la generazione di codici, ad esempiocodici per applicazioni cdma.

Country Status (2)

Country Link
US (1) US6956890B2 (it)
IT (1) IT1320651B1 (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7248698B2 (en) * 2001-04-06 2007-07-24 Interdigital Technology Corporation System for generating pseudorandom sequences
US6552996B2 (en) * 2001-09-18 2003-04-22 Interdigital Communications Corporation OVSF code system and methods
US7366201B2 (en) * 2001-12-21 2008-04-29 Texas Instruments Incorporated Method and apparatus for vector based sequence generation
US7839762B2 (en) * 2001-12-21 2010-11-23 Texas Instruments Incorporated Method and apparatus for vector based walsh code bit sequence generation
US7197007B2 (en) * 2002-05-11 2007-03-27 Accton Technology Corporation Method for generating 2D OVSF codes in multicarrier DS-CDMA systems
US7346038B2 (en) * 2002-05-11 2008-03-18 Accton Technology Corporation Method for generating 2D OVSF codes in multicarrier DS-CDMA systems
ITTO20020836A1 (it) * 2002-09-24 2004-03-25 Stimicroelectronics Srl Metodo e dispositivo a basso consumo per la generazione
US7765456B1 (en) * 2005-03-31 2010-07-27 Xilinx, Inc. Optimal multi-user orthogonal variable spreading factor (OVSF) code generator
US7729235B2 (en) * 2005-09-27 2010-06-01 Mediatek Inc. Method and apparatus for OVSF code generation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5204874A (en) * 1991-08-28 1993-04-20 Motorola, Inc. Method and apparatus for using orthogonal coding in a communication system
JP3483991B2 (ja) * 1995-07-27 2004-01-06 沖電気工業株式会社 符号分割多重アクセス通信用拡散符号発生器、符号分割多重アクセス通信システム及び符号分割多重アクセス通信用拡散符号発生方法
US6700864B1 (en) * 1998-10-07 2004-03-02 At&T Corp. System and method for generating orthogonal codes
US6233231B1 (en) * 1998-12-03 2001-05-15 Motorola, Inc. Data transmission within a spread-spectrum communication system
US6091757A (en) * 1998-12-03 2000-07-18 Motorola, Inc. Data transmission within a spread-spectrum communication system
KR100315709B1 (ko) * 1998-12-29 2002-02-28 윤종용 이동통신시스템의채널확산장치및방법
US7933250B2 (en) * 2003-06-23 2011-04-26 Qualcomm Incorporated Code channel management in a wireless communications system

Also Published As

Publication number Publication date
ITTO20000871A0 (it) 2000-09-15
US20020080856A1 (en) 2002-06-27
ITTO20000871A1 (it) 2002-03-15
US6956890B2 (en) 2005-10-18

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