CA2619679C - Codes d'etalement quadriphase, pour communications a acces multiples a repartition en code - Google Patents

Codes d'etalement quadriphase, pour communications a acces multiples a repartition en code Download PDF

Info

Publication number
CA2619679C
CA2619679C CA2619679A CA2619679A CA2619679C CA 2619679 C CA2619679 C CA 2619679C CA 2619679 A CA2619679 A CA 2619679A CA 2619679 A CA2619679 A CA 2619679A CA 2619679 C CA2619679 C CA 2619679C
Authority
CA
Canada
Prior art keywords
code
spreading
family
codes
spreading codes
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CA2619679A
Other languages
English (en)
Other versions
CA2619679A1 (fr
Inventor
Branislav M. Popovic
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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
Priority claimed from US09/097,916 external-priority patent/US6393047B1/en
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of CA2619679A1 publication Critical patent/CA2619679A1/fr
Application granted granted Critical
Publication of CA2619679C publication Critical patent/CA2619679C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0022—PN, e.g. Kronecker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
CA2619679A 1998-06-16 1999-06-11 Codes d'etalement quadriphase, pour communications a acces multiples a repartition en code Expired - Lifetime CA2619679C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/097,916 US6393047B1 (en) 1998-06-16 1998-06-16 Quadriphase spreading codes in code division multiple access communications
US09/097,916 1998-06-16
CA002335018A CA2335018C (fr) 1998-06-16 1999-06-11 Codes d'etalement de phase quadrivalente dans des communications a acces multiple par code de repartition

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002335018A Division CA2335018C (fr) 1998-06-16 1999-06-11 Codes d'etalement de phase quadrivalente dans des communications a acces multiple par code de repartition

Publications (2)

Publication Number Publication Date
CA2619679A1 CA2619679A1 (fr) 1999-12-23
CA2619679C true CA2619679C (fr) 2010-03-23

Family

ID=39315345

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2620101A Expired - Lifetime CA2620101C (fr) 1998-06-16 1999-06-11 Codes d'etalement de phase quadrivalente dans des communications a acces multiple par code de repartition
CA2619679A Expired - Lifetime CA2619679C (fr) 1998-06-16 1999-06-11 Codes d'etalement quadriphase, pour communications a acces multiples a repartition en code

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA2620101A Expired - Lifetime CA2620101C (fr) 1998-06-16 1999-06-11 Codes d'etalement de phase quadrivalente dans des communications a acces multiple par code de repartition

Country Status (1)

Country Link
CA (2) CA2620101C (fr)

Also Published As

Publication number Publication date
CA2620101C (fr) 2012-08-07
CA2619679A1 (fr) 1999-12-23
CA2620101A1 (fr) 1999-12-23

Similar Documents

Publication Publication Date Title
CA2335018C (fr) Codes d'etalement de phase quadrivalente dans des communications a acces multiple par code de repartition
Popovic Spreading sequences for multicarrier CDMA systems
CA2364349C (fr) Procede et appareil de synchronisation efficace dans des communications a spectre etale
JP3921402B2 (ja) 無線受信機
JP3678023B2 (ja) 符号分割多元接続方式移動通信システムにおける通信装置
US5452328A (en) Technique for generating sets of binary spreading-code sequences for a high data-rate spread-spectrum network
US6215810B1 (en) Parallel hopping hybrid direct sequence/slow frequency hopping CDMA system
US6246715B1 (en) Data transmitter and receiver of a DS-CDMA communication system
US6289038B1 (en) Parallel hopping hybrid direct sequence/slow frequency hopping CDMA system
EP1105991A1 (fr) Procedes et appareil de communication bases sur des sequences d'hadamard orthogonales possedant des proprietes de correlation selectionnees
JP3597023B2 (ja) Ｍ系列直交変調を用いた無線通信システムの基準位相の確定方法及びこれを用いた同期検波方法
JP2002506320A (ja) 直交ダイレクト・シーケンス符号分割多重アクセス（ｏｄｓ−ｃｄｍａ）通信システムに多重データ・レートを組み込むための装置
JP2002536864A (ja) Ｃｄｍａ通信におけるピーク・平均率を減少させる装置及び方法
US6396869B1 (en) Modulation apparatus and method using zero-crossing detection
US7711028B2 (en) Spectrum shaping using code-hopping CDMA
Tsai M-ary spreading-code-phase-shift-keying modulation for DSSS multiple access systems
AU736001B2 (en) Device and method for generating short PN code in mobile communication system
CA2619679C (fr) Codes d'etalement quadriphase, pour communications a acces multiples a repartition en code
JPH07107007A (ja) 拡散符号生成方式
KR100743888B1 (ko) 보호구간 시퀀스를 추가한 준직교 확산시퀀스를 사용하는코드분할 다중접근 통신 장치 및 시스템
Garg et al. New binary user codes for DS CDMA communication
JP2990468B2 (ja) スペクトル拡散通信方式
MXPA00012452A (en) Quadriphase spreading codes in code division multiple access communications
Kedia et al. Evaluation of Spreading Codes for CDMA Wireless Mobile Communication
JPH0879129A (ja) スペクトル拡散変調を用いたｃｄｍａ方式の通信方法及び通信装置

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20190611