CA2262955A1 - Improvements in ultrafast time hopping cdma-rf - Google Patents

Improvements in ultrafast time hopping cdma-rf Download PDF

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Publication number
CA2262955A1
CA2262955A1 CA002262955A CA2262955A CA2262955A1 CA 2262955 A1 CA2262955 A1 CA 2262955A1 CA 002262955 A CA002262955 A CA 002262955A CA 2262955 A CA2262955 A CA 2262955A CA 2262955 A1 CA2262955 A1 CA 2262955A1
Authority
CA
Canada
Prior art keywords
codes
pulse
orthogonal
code
short duration
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
CA002262955A
Other languages
English (en)
French (fr)
Inventor
Terence W. Barrett
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.)
Barrett Holding LLC
Original Assignee
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
Priority claimed from PCT/US1997/003182 external-priority patent/WO1998039882A1/en
Publication of CA2262955A1 publication Critical patent/CA2262955A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H04J13/0074—Code shifting or hopping
    • 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
    • H04B1/7163—Spread spectrum techniques using impulse radio
    • H04B1/71632—Signal aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • H04B7/2634—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA] for channel frequency control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0003—Code application, i.e. aspects relating to how codes are applied to form multiplexed channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • 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
    • H04B1/709—Correlator structure
    • H04B1/7093—Matched filter type
    • 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
    • H04B1/7163—Spread spectrum techniques using impulse radio
    • H04B1/71635—Transmitter aspects
    • 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
    • H04B1/7163—Spread spectrum techniques using impulse radio
    • H04B1/719—Interference-related aspects
    • 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
    • H04B2001/6908—Spread spectrum techniques using time hopping
    • 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
    • H04J14/00—Optical multiplex systems
    • H04J14/005—Optical Code Multiplex

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Optical Communication System (AREA)
  • Time-Division Multiplex Systems (AREA)
CA002262955A 1997-03-07 1997-03-07 Improvements in ultrafast time hopping cdma-rf Abandoned CA2262955A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1997/003182 WO1998039882A1 (en) 1994-07-29 1997-03-07 Improvements in ultrafast time hopping cdma-rf

Publications (1)

Publication Number Publication Date
CA2262955A1 true CA2262955A1 (en) 1998-09-11

Family

ID=22260450

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002262955A Abandoned CA2262955A1 (en) 1997-03-07 1997-03-07 Improvements in ultrafast time hopping cdma-rf

Country Status (5)

Country Link
EP (1) EP0966818A4 (ja)
JP (1) JP2002500832A (ja)
AU (1) AU731763B2 (ja)
CA (1) CA2262955A1 (ja)
MX (1) MXPA99001323A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103329462B (zh) * 2011-01-22 2015-03-04 维尔塞特公司 用于高速率光通信的帧格式化

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728632A (en) * 1971-03-12 1973-04-17 Sperry Rand Corp Transmission and reception system for generating and receiving base-band pulse duration pulse signals without distortion for short base-band communication system
US5268933A (en) * 1991-09-27 1993-12-07 Motorola, Inc. Data packet alignment in a communication system
US5377225A (en) * 1993-10-19 1994-12-27 Hughes Aircraft Company Multiple-access noise rejection filter for a DS-CDMA system
US5677927A (en) * 1994-09-20 1997-10-14 Pulson Communications Corporation Ultrawide-band communication system and method

Also Published As

Publication number Publication date
EP0966818A1 (en) 1999-12-29
MXPA99001323A (es) 2006-02-10
JP2002500832A (ja) 2002-01-08
AU731763B2 (en) 2001-04-05
EP0966818A4 (en) 2002-10-09
AU3472597A (en) 1998-09-22

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Legal Events

Date Code Title Description
FZDE Discontinued
FZDE Discontinued

Effective date: 20030307