DE69804502T2 - Verbesserte reichweite/fein-degradation zum digitalen drahtlosen telefonsystem - Google Patents
Verbesserte reichweite/fein-degradation zum digitalen drahtlosen telefonsystemInfo
- Publication number
- DE69804502T2 DE69804502T2 DE69804502T DE69804502T DE69804502T2 DE 69804502 T2 DE69804502 T2 DE 69804502T2 DE 69804502 T DE69804502 T DE 69804502T DE 69804502 T DE69804502 T DE 69804502T DE 69804502 T2 DE69804502 T2 DE 69804502T2
- Authority
- DE
- Germany
- Prior art keywords
- audio
- error correction
- packet
- bits
- handset
- 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
Links
- 230000015556 catabolic process Effects 0.000 title 1
- 238000006731 degradation reaction Methods 0.000 title 1
- 238000012937 correction Methods 0.000 claims description 52
- 125000004122 cyclic group Chemical group 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 7
- 230000003044 adaptive effect Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
-
- 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
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
-
- 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
-
- 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
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0079—Formats for control data
-
- 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
- H04L1/0025—Transmission of mode-switching 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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US6955497P | 1997-12-12 | 1997-12-12 | |
| PCT/US1998/018105 WO1999031838A1 (en) | 1997-12-12 | 1998-09-01 | Enhanced range/graceful degradation for digital wireless telephone system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69804502D1 DE69804502D1 (de) | 2002-05-02 |
| DE69804502T2 true DE69804502T2 (de) | 2002-08-22 |
Family
ID=22089768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69804502T Expired - Lifetime DE69804502T2 (de) | 1997-12-12 | 1998-09-01 | Verbesserte reichweite/fein-degradation zum digitalen drahtlosen telefonsystem |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6574769B1 (enExample) |
| EP (1) | EP1040612B1 (enExample) |
| JP (1) | JP2002509387A (enExample) |
| KR (1) | KR100557817B1 (enExample) |
| CN (1) | CN1227853C (enExample) |
| AU (1) | AU9041998A (enExample) |
| DE (1) | DE69804502T2 (enExample) |
| WO (1) | WO1999031838A1 (enExample) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002006890A (ja) * | 2000-06-23 | 2002-01-11 | Uniden Corp | 音声信号品質改善装置 |
| WO2002030098A2 (en) * | 2000-10-06 | 2002-04-11 | Motorola, Inc. | Method and system for rate adaptation in a packet voice system |
| US7110467B2 (en) * | 2000-10-12 | 2006-09-19 | 3Com Corporation | Performance evaluation of a G.dmt-compliant digital subscriber line system |
| US7103096B2 (en) * | 2000-10-12 | 2006-09-05 | 3Com Corporation | Performance evaluation of multicarrier channels with forward error correction and automatic retransmission request |
| US6718493B1 (en) | 2001-05-17 | 2004-04-06 | 3Com Corporation | Method and apparatus for selection of ARQ parameters and estimation of improved communications |
| US6745364B2 (en) * | 2001-06-28 | 2004-06-01 | Microsoft Corporation | Negotiated/dynamic error correction for streamed media |
| KR100426535B1 (ko) | 2001-12-11 | 2004-04-08 | 삼성전자주식회사 | 무선통신기기 및 그 무선통신방법 |
| US6915477B2 (en) * | 2001-12-28 | 2005-07-05 | Lucent Technologies Inc. | Delay sensitive adaptive quality control loop for rate adaptation |
| JP4105723B2 (ja) * | 2003-08-05 | 2008-06-25 | 富士通株式会社 | 再生中継方法及びその装置 |
| US20050136956A1 (en) * | 2003-12-23 | 2005-06-23 | Hiroki Ohno | Radio relay device |
| US20050201296A1 (en) * | 2004-03-15 | 2005-09-15 | Telefonaktiebolaget Lm Ericsson (Pu | Reduced channel quality feedback |
| US7554989B2 (en) | 2005-01-18 | 2009-06-30 | Creative Technology Ltd. | Real time optimization over a shared communication channel |
| JP2006345251A (ja) * | 2005-06-09 | 2006-12-21 | Kyocera Corp | 無線通信端末及び通信方法 |
| US7237446B2 (en) * | 2005-09-16 | 2007-07-03 | Raymond Chan | System and method for measuring gait kinematics information |
| KR100893863B1 (ko) * | 2006-09-05 | 2009-04-20 | 엘지전자 주식회사 | 무선 통신 시스템에서의 링크 적응적 데이터 전송 방법 |
| US20100138724A1 (en) * | 2008-12-01 | 2010-06-03 | Dsp Group Ltd. | Adaptive error protection for wireless communications |
| JP5195402B2 (ja) | 2008-12-25 | 2013-05-08 | パナソニック株式会社 | 無線通信装置及び無線通信システム |
| JP2009105949A (ja) * | 2009-01-23 | 2009-05-14 | Panasonic Corp | ＱｏＳ制御を実行することが可能な端末 |
| FR2943195B1 (fr) * | 2009-03-16 | 2011-12-30 | Canon Kk | Procede de transmission de donnees avec mecanismes de retransmission et synchronisation en cas de perte, dispositif emetteur, produit programme d'ordinateur et moyen de stockage correspondants |
| JP5447628B1 (ja) | 2012-09-28 | 2014-03-19 | パナソニック株式会社 | 無線通信装置及び通信端末 |
| DK3642839T3 (da) | 2017-06-19 | 2022-07-04 | Rtx As | Audiosignalkodning og -afkodning |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04276922A (ja) | 1991-03-04 | 1992-10-02 | Mitsubishi Electric Corp | 無線通信機 |
| US5751773A (en) * | 1992-03-12 | 1998-05-12 | Ntp Incorporated | System for wireless serial transmission of encoded information |
| US5745532A (en) * | 1992-03-12 | 1998-04-28 | Ntp Incorporated | System for wireless transmission and receiving of information and method of operation thereof |
| US6418131B1 (en) * | 1994-06-17 | 2002-07-09 | Lake Communications Limited | Spectrum monitoring for PSTN subscribers |
| US5761223A (en) | 1994-07-21 | 1998-06-02 | Matsushita Electric Industrial Co., Ltd. | Error correcting device |
| US5732335A (en) | 1995-04-28 | 1998-03-24 | Telefonaktiebolaget Lm Ericsson | Externally controlled output power by means of antenna keying |
| US5926500A (en) * | 1996-05-28 | 1999-07-20 | Qualcomm Incorporated | Reduced peak-to-average transmit power high data rate CDMA wireless communication system |
-
1998
- 1998-09-01 KR KR1020007006305A patent/KR100557817B1/ko not_active Expired - Fee Related
- 1998-09-01 EP EP98942340A patent/EP1040612B1/en not_active Expired - Lifetime
- 1998-09-01 CN CNB988136201A patent/CN1227853C/zh not_active Expired - Fee Related
- 1998-09-01 WO PCT/US1998/018105 patent/WO1999031838A1/en not_active Ceased
- 1998-09-01 US US09/581,192 patent/US6574769B1/en not_active Expired - Fee Related
- 1998-09-01 DE DE69804502T patent/DE69804502T2/de not_active Expired - Lifetime
- 1998-09-01 AU AU90419/98A patent/AU9041998A/en not_active Abandoned
- 1998-09-01 JP JP2000539606A patent/JP2002509387A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AU9041998A (en) | 1999-07-05 |
| EP1040612B1 (en) | 2002-03-27 |
| KR20010032959A (ko) | 2001-04-25 |
| EP1040612A1 (en) | 2000-10-04 |
| US6574769B1 (en) | 2003-06-03 |
| JP2002509387A (ja) | 2002-03-26 |
| CN1285101A (zh) | 2001-02-21 |
| KR100557817B1 (ko) | 2006-03-10 |
| CN1227853C (zh) | 2005-11-16 |
| WO1999031838A1 (en) | 1999-06-24 |
| DE69804502D1 (de) | 2002-05-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69804502T2 (de) | Verbesserte reichweite/fein-degradation zum digitalen drahtlosen telefonsystem | |
| DE69914090T2 (de) | Codec-betriebsartdecodierung mittels vorwissens | |
| DE69223961T2 (de) | Funksystem | |
| DE69125227T2 (de) | Umschaltung einer Mobilstation zwischen halb- und vollrätigen Kanälen | |
| DE69938359T2 (de) | Effiziente inband-signalisierung für diskontinuierliche übertragung und konfigurationsänderungen in kommunikationssystemen mit adaptiver mehrfachrate | |
| DE69915280T2 (de) | Datenübertragung über eine kommunikationsverbindung mit variabler datenrate | |
| DE69409368T2 (de) | Verfahren und system zur dynamischen veranderung der einstellparameter in einem sendeleistungskontrollsystem | |
| DE69837253T2 (de) | Adaptive Funkverbindung | |
| DE69731459T2 (de) | Verfahren und einrichtung zur kompression und übertragung von hochgeschwindigkeitsdaten | |
| DE69735673T2 (de) | Verfahren und einrichtung zur bestimmung der datenrate empfangener daten in einem übertragungssystem mit veränderlicher datenrate | |
| DE69928908T2 (de) | Verfahren zur informationsübertragung und vorrichtung zum anwenden des verfahrens | |
| DE69711218T2 (de) | System und verfahren zur nichtsequentiellen übertragung von steuersignalen innerhalb einer sprachübertragung | |
| DE69734668T2 (de) | Konferenzanrufsystem und verfahren für einen drahtlosen kommunikationskanal | |
| EP1593222A1 (de) | Verfahren zur datenübertragung | |
| DE69831397T2 (de) | Verfahren zur kodierung von informationen sowie vorrichtungen mit fehlerkorrektur und fehlerdetektion | |
| DE69710739T2 (de) | Schnelle Kanalsteuerungstechnik für Satellitenkommunuikation | |
| EP1063807B1 (de) | Gemeinsame Quellen- und Kanalcodierung | |
| DE69934284T2 (de) | Verfahren und Gerät zur Erhöherung der Qualität drahtlos übertragener digitalen Signalen | |
| DE19941331B4 (de) | Verfahren zum Übertragen von Information zu Hintergrundrauschen bei Datenübertragung mittels Datenrahmen sowie Kommunikationssystem, Mobilstation und Netzwerkelement | |
| DE60202759T2 (de) | Funkkommunikationssystem für geschaltete übertragung eines kontrollkanals | |
| DE10297176T5 (de) | Verfahren und Anordnungen in ein Digital-Kommunikationssystem betreffenden Anwendungen | |
| DE3417233A1 (de) | Funksystem | |
| DE602004004376T2 (de) | Anpassungsverfahren für ein Mehrraten-Sprach-Codec | |
| DE60100173T2 (de) | Verfahren und Vorrichtung zur drahtloser Übertragung unter Verwendung einer Kodierung mit vielfacher Quellendarstellung | |
| DE69932482T2 (de) | Übertragungssystem mit adaptivem kanalkodierer und -dekoder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |