DE69932514D1 - Zufallszugriff in einem Mobilfunknetz - Google Patents

Zufallszugriff in einem Mobilfunknetz

Info

Publication number
DE69932514D1
DE69932514D1 DE69932514T DE69932514T DE69932514D1 DE 69932514 D1 DE69932514 D1 DE 69932514D1 DE 69932514 T DE69932514 T DE 69932514T DE 69932514 T DE69932514 T DE 69932514T DE 69932514 D1 DE69932514 D1 DE 69932514D1
Authority
DE
Germany
Prior art keywords
random access
mobile network
mobile
network
random
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
DE69932514T
Other languages
English (en)
Other versions
DE69932514T2 (de
Inventor
Georg Frank
Wolfgang Granzow
Maria Gustafsson
Henrik Olofsson
Fredrik Ovesjoe
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
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE69932514D1 publication Critical patent/DE69932514D1/de
Publication of DE69932514T2 publication Critical patent/DE69932514T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0044—OVSF [orthogonal variable spreading factor]
    • 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
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • 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)
DE69932514T 1998-05-15 1999-05-07 Zufallszugriff in einem Mobilfunknetz Expired - Lifetime DE69932514T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US79438 1998-05-15
US09/079,438 US6643275B1 (en) 1998-05-15 1998-05-15 Random access in a mobile telecommunications system
PCT/SE1999/000777 WO1999060729A1 (en) 1998-05-15 1999-05-07 Random access in a mobile telecommunications system

Publications (2)

Publication Number Publication Date
DE69932514D1 true DE69932514D1 (de) 2006-09-07
DE69932514T2 DE69932514T2 (de) 2006-11-30

Family

ID=22150549

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69932514T Expired - Lifetime DE69932514T2 (de) 1998-05-15 1999-05-07 Zufallszugriff in einem Mobilfunknetz

Country Status (15)

Country Link
US (2) US6643275B1 (de)
EP (1) EP1078478B1 (de)
JP (1) JP3792512B2 (de)
KR (1) KR100685660B1 (de)
CN (1) CN1244247C (de)
AR (1) AR019843A1 (de)
AU (1) AU766788B2 (de)
BR (1) BR9910499B1 (de)
CA (1) CA2331997C (de)
DE (1) DE69932514T2 (de)
MY (1) MY124697A (de)
RU (1) RU2227372C2 (de)
TW (1) TW466882B (de)
WO (1) WO1999060729A1 (de)
ZA (1) ZA200006122B (de)

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US6381229B1 (en) 2002-04-30
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AR019843A1 (es) 2002-03-20
CA2331997A1 (en) 1999-11-25
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