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SG101969A1 - Rendering multicast service with sufficient reception quality to wireless terminals - Google Patents

Rendering multicast service with sufficient reception quality to wireless terminals

Info

Publication number
SG101969A1
SG101969A1 SG200102643A SG200102643A SG101969A1 SG 101969 A1 SG101969 A1 SG 101969A1 SG 200102643 A SG200102643 A SG 200102643A SG 200102643 A SG200102643 A SG 200102643A SG 101969 A1 SG101969 A1 SG 101969A1
Authority
SG
Singapore
Prior art keywords
wireless terminals
multicast service
reception quality
sufficient reception
sets
Prior art date
Application number
SG200102643A
Other languages
English (en)
Inventor
Sato Hijin
Umeda Narumi
Yamao Yasushi
Original Assignee
Ntt Docomo Inc
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 Ntt Docomo Inc filed Critical Ntt Docomo Inc
Publication of SG101969A1 publication Critical patent/SG101969A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L2001/0092—Error control systems characterised by the topology of the transmission link
    • H04L2001/0093—Point-to-multipoint
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Small-Scale Networks (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
SG200102643A 2000-05-12 2001-05-08 Rendering multicast service with sufficient reception quality to wireless terminals SG101969A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000140845A JP3662473B2 (ja) 2000-05-12 2000-05-12 マルチキャストサービス提供方法及び情報配信装置

Publications (1)

Publication Number Publication Date
SG101969A1 true SG101969A1 (en) 2004-02-27

Family

ID=18648061

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200102643A SG101969A1 (en) 2000-05-12 2001-05-08 Rendering multicast service with sufficient reception quality to wireless terminals

Country Status (9)

Country Link
US (1) US6895216B2 (de)
EP (1) EP1154660B1 (de)
JP (1) JP3662473B2 (de)
KR (1) KR100404519B1 (de)
CN (1) CN1136677C (de)
AU (1) AU769231B2 (de)
CA (1) CA2345823C (de)
DE (1) DE60108296T2 (de)
SG (1) SG101969A1 (de)

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Also Published As

Publication number Publication date
CN1136677C (zh) 2004-01-28
US6895216B2 (en) 2005-05-17
US20020003798A1 (en) 2002-01-10
AU4381001A (en) 2001-11-15
JP2001320324A (ja) 2001-11-16
CA2345823C (en) 2005-02-08
EP1154660A2 (de) 2001-11-14
DE60108296D1 (de) 2005-02-17
CN1324151A (zh) 2001-11-28
KR20010104229A (ko) 2001-11-24
AU769231B2 (en) 2004-01-22
DE60108296T2 (de) 2005-12-22
JP3662473B2 (ja) 2005-06-22
KR100404519B1 (ko) 2003-11-05
EP1154660A3 (de) 2002-04-24
EP1154660B1 (de) 2005-01-12
CA2345823A1 (en) 2001-11-12

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