FI944055A - Laite ja menetelmä matkaviestimien, jotka ovat samanaikaisesti pyrkimässä tukiasemayhteyteen, viestien törmäyksien vähentämiseksi CDMA-matkaviestintäjärjestelmässä - Google Patents

Laite ja menetelmä matkaviestimien, jotka ovat samanaikaisesti pyrkimässä tukiasemayhteyteen, viestien törmäyksien vähentämiseksi CDMA-matkaviestintäjärjestelmässä Download PDF

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Publication number
FI944055A
FI944055A FI944055A FI944055A FI944055A FI 944055 A FI944055 A FI 944055A FI 944055 A FI944055 A FI 944055A FI 944055 A FI944055 A FI 944055A FI 944055 A FI944055 A FI 944055A
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FI
Finland
Prior art keywords
base station
communication system
mobile communication
station connection
stations simultaneously
Prior art date
Application number
FI944055A
Other languages
English (en)
Swedish (sv)
Other versions
FI944055A0 (fi
FI114537B (fi
Inventor
Jr Edward G Tiedemann
Jr Lindsay A Weaver
Roberto Padovani
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Qualcomm Inc
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25299903&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI944055(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of FI944055A publication Critical patent/FI944055A/fi
Publication of FI944055A0 publication Critical patent/FI944055A0/fi
Application granted granted Critical
Publication of FI114537B publication Critical patent/FI114537B/fi

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • 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
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • 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]
    • 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
    • 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
    • H04J13/16—Code allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1887—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/48—TPC being performed in particular situations during retransmission after error or non-acknowledgment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/7097—Direct sequence modulation interference
    • H04B2201/709709—Methods of preventing interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/188—Time-out mechanisms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)
FI944055A 1992-03-05 1994-09-02 Laite ja menetelmä matkaviestimien, jotka ovat samanaikaisesti pyrkimässä tukiasemayhteyteen, viestien törmäyksien vähentämiseksi CDMA-matkaviestintäjärjestelmässä FI114537B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US84715292A 1992-03-05 1992-03-05
US84715292 1992-03-05
PCT/US1993/001982 WO1993018601A1 (en) 1992-03-05 1993-03-04 Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a cdma cellular communications system
US9301982 1993-03-04

Publications (3)

Publication Number Publication Date
FI944055A true FI944055A (fi) 1994-09-02
FI944055A0 FI944055A0 (fi) 1994-09-02
FI114537B FI114537B (fi) 2004-10-29

Family

ID=25299903

Family Applications (1)

Application Number Title Priority Date Filing Date
FI944055A FI114537B (fi) 1992-03-05 1994-09-02 Laite ja menetelmä matkaviestimien, jotka ovat samanaikaisesti pyrkimässä tukiasemayhteyteen, viestien törmäyksien vähentämiseksi CDMA-matkaviestintäjärjestelmässä

Country Status (23)

Country Link
US (6) US5544196A (fi)
EP (7) EP1901513A3 (fi)
JP (1) JP3152353B2 (fi)
KR (1) KR100202745B1 (fi)
CN (1) CN1072863C (fi)
AT (5) ATE362263T1 (fi)
AU (1) AU677578B2 (fi)
BG (1) BG62022B1 (fi)
BR (1) BR9306032A (fi)
CA (1) CA2130667C (fi)
DE (4) DE69334204T2 (fi)
DK (3) DK0629325T3 (fi)
ES (5) ES2299133T3 (fi)
FI (1) FI114537B (fi)
HK (4) HK1015212A1 (fi)
HU (1) HU214413B (fi)
IL (1) IL104910A (fi)
MX (1) MX9301230A (fi)
PT (2) PT1583309E (fi)
RU (1) RU2171013C2 (fi)
SK (1) SK282136B6 (fi)
WO (1) WO1993018601A1 (fi)
ZA (1) ZA931077B (fi)

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