CA2322543A1 - Apparatus for incorporating multiple data rates in an orthogonal direct sequence code division multiple access (ods-cdma) communications system - Google Patents

Apparatus for incorporating multiple data rates in an orthogonal direct sequence code division multiple access (ods-cdma) communications system Download PDF

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Publication number
CA2322543A1
CA2322543A1 CA002322543A CA2322543A CA2322543A1 CA 2322543 A1 CA2322543 A1 CA 2322543A1 CA 002322543 A CA002322543 A CA 002322543A CA 2322543 A CA2322543 A CA 2322543A CA 2322543 A1 CA2322543 A1 CA 2322543A1
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CA
Canada
Prior art keywords
rate
orthogonal
user
data
users
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.)
Abandoned
Application number
CA002322543A
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English (en)
French (fr)
Inventor
Timothy F. Cox
Francis D. Natali
John E. Ohlson
Shilpa Talwar
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.)
Nokia of America Corp
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Individual
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 Individual filed Critical Individual
Publication of CA2322543A1 publication Critical patent/CA2322543A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • 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
CA002322543A 1998-03-04 1999-03-01 Apparatus for incorporating multiple data rates in an orthogonal direct sequence code division multiple access (ods-cdma) communications system Abandoned CA2322543A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US7675698P 1998-03-04 1998-03-04
US60/076,756 1998-03-04
US09/250,845 1999-02-17
US09/250,845 US6563808B1 (en) 1998-03-04 1999-02-17 Apparatus for incorporating multiple data rates in an orthogonal direct sequence code division multiple access (ODS-CDMA) communications system
PCT/US1999/003722 WO1999045669A1 (en) 1998-03-04 1999-03-01 Apparatus for incorporating multiple data rates in an orthogonal direct sequence code division multiple access (ods-cdma) communications system

Publications (1)

Publication Number Publication Date
CA2322543A1 true CA2322543A1 (en) 1999-09-10

Family

ID=26758447

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002322543A Abandoned CA2322543A1 (en) 1998-03-04 1999-03-01 Apparatus for incorporating multiple data rates in an orthogonal direct sequence code division multiple access (ods-cdma) communications system

Country Status (7)

Country Link
US (1) US6563808B1 (US06563808-20030513-M00003.png)
EP (1) EP1060588A4 (US06563808-20030513-M00003.png)
JP (1) JP4361682B2 (US06563808-20030513-M00003.png)
CN (1) CN1193528C (US06563808-20030513-M00003.png)
AU (1) AU748010B2 (US06563808-20030513-M00003.png)
CA (1) CA2322543A1 (US06563808-20030513-M00003.png)
WO (1) WO1999045669A1 (US06563808-20030513-M00003.png)

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US8537656B2 (en) * 2000-07-19 2013-09-17 Ipr Licensing, Inc. Method for compensating for multi-path of a CDMA reverse link utilizing an orthogonal channel structure
US7006428B2 (en) * 2000-07-19 2006-02-28 Ipr Licensing, Inc. Method for allowing multi-user orthogonal and non-orthogonal interoperability of code channels
US7911993B2 (en) * 2000-07-19 2011-03-22 Ipr Licensing, Inc. Method and apparatus for allowing soft handoff of a CDMA reverse link utilizing an orthogonal channel structure
US8155096B1 (en) 2000-12-01 2012-04-10 Ipr Licensing Inc. Antenna control system and method
US7551663B1 (en) 2001-02-01 2009-06-23 Ipr Licensing, Inc. Use of correlation combination to achieve channel detection
US6954448B2 (en) 2001-02-01 2005-10-11 Ipr Licensing, Inc. Alternate channel for carrying selected message types
US7245599B2 (en) * 2001-02-05 2007-07-17 The Directtv Group, Inc. Application of complex codes to maximize user link utilization
US6836504B2 (en) * 2001-02-14 2004-12-28 Motorola, Inc. Method and apparatus for spreading symbols in a communication system
US7596082B2 (en) 2001-06-07 2009-09-29 Qualcomm Incorporated Method and apparatus for Walsh space assignment in a communication system
AU2008200357C1 (en) * 2001-06-07 2009-10-29 Qualcomm Incorporated Method and apparatus for walsh space assignment in a communication system
EP2479905B1 (en) 2001-06-13 2017-03-15 Intel Corporation Method and apparatuses for transmittal of heartbeat signal at a lower level than heartbeat request
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US20030053622A1 (en) * 2001-09-20 2003-03-20 Aiden Bruen Method for the construction of hash functions based on sylvester matrices, balanced incomplete block designs and error-correcting codes
GB2381711B (en) 2001-10-31 2003-10-15 Lucent Technologies Inc A method of allocating a channelisation code to one of a plurality of user terminals, a code division multiple access telecommunications network,
US10420097B2 (en) 2002-01-22 2019-09-17 Ipr Licensing, Inc. Techniques for setting up traffic channels in a communications system
EP2595328A1 (en) 2002-01-22 2013-05-22 IPR Licensing, Inc. Allocating traffic channels in a communications system
KR101022066B1 (ko) * 2003-05-17 2011-03-17 엘지전자 주식회사 이동통신 시스템에서의 하향링크 제어채널 구조 및 이를이용한 시간-코드 할당방법
KR20050100549A (ko) * 2004-04-14 2005-10-19 삼성전자주식회사 사용자간의 간섭을 줄이기 위한 확산 코드의 선택 방법
US9094144B2 (en) * 2004-04-29 2015-07-28 Alcatel Lucent Methods and apparatus for code division multiple access communication using code book that provides reduced peak-to-average power ratio
US20080186857A1 (en) * 2007-02-06 2008-08-07 Viasat, Inc. Robust and efficient assignment of scheduled transmissions
US7953060B2 (en) * 2007-06-11 2011-05-31 Viasat, Inc. Quasisynchronous reservation requests
US7940790B2 (en) * 2007-06-11 2011-05-10 Viasat, Inc. Multiple request intervals
KR100908063B1 (ko) * 2007-06-13 2009-07-15 엘지전자 주식회사 이동 통신 시스템에서 확산신호를 송신하는 방법
US8144680B2 (en) * 2007-11-30 2012-03-27 Viasat, Inc. Contention-based communications
US20090141680A1 (en) * 2007-11-30 2009-06-04 Viasat, Inc. Flexible assignment of scheduled and request transmissions
CN102123779B (zh) * 2008-08-26 2013-06-05 华为技术有限公司 用于无线通信的系统和方法
US9240853B2 (en) 2012-11-16 2016-01-19 Huawei Technologies Co., Ltd. Systems and methods for sparse code multiple access
US10257839B2 (en) * 2017-03-20 2019-04-09 At&T Intellectual Property I, L.P. Facilitating communication of radio resource quality to a mobile application
CN108092692B (zh) * 2017-12-27 2020-02-07 西安科锐盛创新科技有限公司 一种cdma系统信道扩频装置及方法
CN108092735B (zh) * 2017-12-27 2020-02-04 西安科锐盛创新科技有限公司 一种码字生成装置、通信基站、基站控制器及无线通信网络
CN108259116B (zh) * 2017-12-27 2020-02-18 西安科锐盛创新科技有限公司 一种cdma通信系统
CN107947892B (zh) * 2017-12-27 2019-08-06 西安科锐盛创新科技有限公司 一种基于semi-bent函数的正交序列集构造方法
CN108055104B (zh) * 2017-12-27 2019-06-21 广东腾通科技有限公司 码字生成装置、通信基站、基站控制器和无线通信网络
CN108696327B (zh) * 2018-05-04 2020-04-21 南京师范大学 大型混合p-h正交、类正交矩阵的构成方法

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US6317412B1 (en) * 1997-12-12 2001-11-13 Stanford Telecommunications, Inc. Increased capacity in an OCDMA system for frequency isolation

Also Published As

Publication number Publication date
US6563808B1 (en) 2003-05-13
WO1999045669A1 (en) 1999-09-10
CN1193528C (zh) 2005-03-16
AU748010B2 (en) 2002-05-30
JP2002506320A (ja) 2002-02-26
AU2778199A (en) 1999-09-20
CN1299542A (zh) 2001-06-13
EP1060588A4 (en) 2005-07-13
JP4361682B2 (ja) 2009-11-11
EP1060588A1 (en) 2000-12-20

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Effective date: 20130301