SE9803886D0 - An apparatus and method for the enhancement of speech quality in mobile communications - Google Patents

An apparatus and method for the enhancement of speech quality in mobile communications

Info

Publication number
SE9803886D0
SE9803886D0 SE9803886A SE9803886A SE9803886D0 SE 9803886 D0 SE9803886 D0 SE 9803886D0 SE 9803886 A SE9803886 A SE 9803886A SE 9803886 A SE9803886 A SE 9803886A SE 9803886 D0 SE9803886 D0 SE 9803886D0
Authority
SE
Sweden
Prior art keywords
speech quality
error control
control coding
enhancement
utilised
Prior art date
Application number
SE9803886A
Other languages
English (en)
Other versions
SE9803886L (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 JP2000583278A priority patent/JP2002530955A/ja
Priority to PCT/SE1999/001992 priority patent/WO2000030383A1/en
Priority to AU14349/00A priority patent/AU1434900A/en
Priority to CN 99813248 priority patent/CN1326650A/zh
Priority to EP99972414A priority patent/EP1129589A1/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
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
PCT/SE1999/001992 WO2000030383A1 (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
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
EP99972414A EP1129589A1 (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 true SE9803886D0 (sv) 1998-11-13
SE9803886L 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
JP2002530955A (ja) 2002-09-17
SE9803886L (sv) 2000-05-14
CN1326650A (zh) 2001-12-12
WO2000030383A1 (en) 2000-05-25
SE515700C2 (sv) 2001-09-24
EP1129589A1 (en) 2001-09-05
ZA200104496B (en) 2002-01-24
AU1434900A (en) 2000-06-05

Similar Documents

Publication Publication Date Title
TW332360B (en) A digital communication system, a communication station for use in the system, and a method for use in the station
ATE236496T1 (de) Verfahren zur datenübertragung in einem mobilen tdma-kommunikationssystem
ATE275306T1 (de) Verfahren zur datenübertragung in einem mobilen tdma-kommunikationssystem
NO961367L (no) Fremgangsmåte for kanal-tildeling i et celledelt kommunikasjonssystem
NO20015434D0 (no) Fremgangsmåte og anordning for allokering av radioressurser
BR9408065A (pt) Processos para in invocar e cancelar serviço de dados e vocal em uma unidade móvel e para estabelecer comunicações em um sistema dotado de uma unidade móvel e uma estação de base
CA2275186A1 (en) Customized on-line user guide
KR20010108335A (ko) ＶｏＩＰ(ＶＯＩＣＥ ＯＶＥＲ ＩＰ) 호출에 대한 음질 개선 장치
JP2000512818A (ja) ビットカウント保全性および同期化を保持しないチャンネルを介する同期データ転送を提供する方法および装置
CA2089383A1 (en) Method and apparatus for estimating initial time alignment in a cellular communications network
FI19992090A (sv) Mobilkommunikationssystem
Katugampala et al. Real-time end-to-end secure voice communications over GSM voice channel
JP2001510971A (ja) 個人電話システムにインターコム及び複数音声チャネルを設けるシステムと方法
SE9203660D0 (sv) Method and apparatus for advanced directed retry
Natvig et al. Speech processing in the pan-European digital mobile radio system (GSM)-system overview
SE9803886D0 (sv) An apparatus and method for the enhancement of speech quality in mobile communications
JPH1093518A (ja) 可変フレーム処理時間を有する通信装置
JPH09107344A (ja) 音声信号／非音声信号の同時伝送方法及び装置
JP3207040B2 (ja) 無線通信装置
ATE377884T1 (de) Verfahren und mittel zum senden und empfangen von paketdateneinheiten in einem zellularen funkkommunikationssystem
DE69616588D1 (de) Zulassung eines teilnehmers in einem funknetzwerk
ATE370625T1 (de) Verfahren und vorrichtung im bezug zu funkkommunikation
JP3357558B2 (ja) 通話制御方法
JPH10126858A (ja) 通信装置
ATE375065T1 (de) Kanalzuweisung eines kanals für datencalls mit anderem nutz-/störsignal(n/s)-verhältnis als bei kanälen für sprach-calls in mobilfunknetzen

Legal Events

Date Code Title Description
NUG Patent has lapsed