SE9803886L - Anordning och förfarande för att förbättra talkvaliteten i mobil kommunikation - Google Patents

Anordning och förfarande för att förbättra talkvaliteten i mobil kommunikation

Info

Publication number
SE9803886L
SE9803886L SE9803886A SE9803886A SE9803886L SE 9803886 L SE9803886 L SE 9803886L SE 9803886 A SE9803886 A SE 9803886A SE 9803886 A SE9803886 A SE 9803886A SE 9803886 L SE9803886 L SE 9803886L
Authority
SE
Sweden
Prior art keywords
speech quality
error control
control coding
utilised
codec
Prior art date
Application number
SE9803886A
Other languages
English (en)
Other versions
SE9803886D0 (sv
SE515700C2 (sv
Inventor
Carl Patrik Cerwall
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9803886A priority Critical patent/SE515700C2/sv
Publication of SE9803886D0 publication Critical patent/SE9803886D0/sv
Priority to EP99972414A priority patent/EP1129589A1/en
Priority to AU14349/00A priority patent/AU1434900A/en
Priority to JP2000583278A priority patent/JP2002530955A/ja
Priority to CN 99813248 priority patent/CN1326650A/zh
Priority to PCT/SE1999/001992 priority patent/WO2000030383A1/en
Publication of SE9803886L publication Critical patent/SE9803886L/sv
Priority to ZA200104496A priority patent/ZA200104496B/en
Publication of SE515700C2 publication Critical patent/SE515700C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/18—Service support devices; Network management devices
    • H04W88/181—Transcoding devices; Rate adaptation devices
    • 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
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
    • 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
    • H04L1/0014—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the source coding
    • 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
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0022—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is influenced by the user
    • 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
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
SE9803886A 1998-11-13 1998-11-13 Enhet, mobiltelefon samt förfarande för att förbättra samtalskvaliteten i ett tidsdelat mobiltelefonnät SE515700C2 (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE9803886A SE515700C2 (sv) 1998-11-13 1998-11-13 Enhet, mobiltelefon samt förfarande för att förbättra samtalskvaliteten i ett tidsdelat mobiltelefonnät
EP99972414A EP1129589A1 (en) 1998-11-13 1999-11-04 An apparatus and method for the enhancement of speech quality in mobile communications
AU14349/00A AU1434900A (en) 1998-11-13 1999-11-04 An apparatus and method for the enhancement of speech quality in mobile communications
JP2000583278A JP2002530955A (ja) 1998-11-13 1999-11-04 移動体通信における通話品質を向上させる装置および方法
CN 99813248 CN1326650A (zh) 1998-11-13 1999-11-04 提高移动通信语音质量的装置和方法
PCT/SE1999/001992 WO2000030383A1 (en) 1998-11-13 1999-11-04 An apparatus and method for the enhancement of speech quality in mobile communications
ZA200104496A ZA200104496B (en) 1998-11-13 2001-05-31 An apparatus and method for the enhancement of speech quality in mobile communications.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9803886A SE515700C2 (sv) 1998-11-13 1998-11-13 Enhet, mobiltelefon samt förfarande för att förbättra samtalskvaliteten i ett tidsdelat mobiltelefonnät

Publications (3)

Publication Number Publication Date
SE9803886D0 SE9803886D0 (sv) 1998-11-13
SE9803886L true SE9803886L (sv) 2000-05-14
SE515700C2 SE515700C2 (sv) 2001-09-24

Family

ID=20413279

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9803886A SE515700C2 (sv) 1998-11-13 1998-11-13 Enhet, mobiltelefon samt förfarande för att förbättra samtalskvaliteten i ett tidsdelat mobiltelefonnät

Country Status (7)

Country Link
EP (1) EP1129589A1 (sv)
JP (1) JP2002530955A (sv)
CN (1) CN1326650A (sv)
AU (1) AU1434900A (sv)
SE (1) SE515700C2 (sv)
WO (1) WO2000030383A1 (sv)
ZA (1) ZA200104496B (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6973140B2 (en) * 1999-03-05 2005-12-06 Ipr Licensing, Inc. Maximizing data rate by adjusting codes and code rates in CDMA system
JP4514172B2 (ja) * 2000-09-28 2010-07-28 キヤノン株式会社 無線通信装置、無線通信装置の制御方法
DE102004024651A1 (de) * 2004-05-18 2005-12-08 Siemens Ag Verfahren und Funkstation zur Übertragung von Daten über paketvermittelte Übertragungsstrecken
US20060209780A1 (en) * 2005-01-21 2006-09-21 Nokia Corporation Data transfer in TDMA system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI114178B (sv) * 1995-01-09 2004-08-31 Nokia Corp Dynamisk allokering av radiokapaciteten i ett TDMA-system
US5701294A (en) * 1995-10-02 1997-12-23 Telefonaktiebolaget Lm Ericsson System and method for flexible coding, modulation, and time slot allocation in a radio telecommunications network
FI106182B (sv) * 1996-11-27 2000-11-30 Nokia Networks Oy Förfarande för förbättring av förbindelsekvaliteten och systemkapacitet i cellulärradiosystem och cellulärradiosystem

Also Published As

Publication number Publication date
CN1326650A (zh) 2001-12-12
SE9803886D0 (sv) 1998-11-13
ZA200104496B (en) 2002-01-24
SE515700C2 (sv) 2001-09-24
WO2000030383A1 (en) 2000-05-25
JP2002530955A (ja) 2002-09-17
AU1434900A (en) 2000-06-05
EP1129589A1 (en) 2001-09-05

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Legal Events

Date Code Title Description
NUG Patent has lapsed