DE69834478D1 - Verfahren zum Zugriff auf eine Basisstation in einem Diskret-Mehrtonspreizspektrumübertragungssystem - Google Patents
Verfahren zum Zugriff auf eine Basisstation in einem Diskret-MehrtonspreizspektrumübertragungssystemInfo
- Publication number
- DE69834478D1 DE69834478D1 DE69834478T DE69834478T DE69834478D1 DE 69834478 D1 DE69834478 D1 DE 69834478D1 DE 69834478 T DE69834478 T DE 69834478T DE 69834478 T DE69834478 T DE 69834478T DE 69834478 D1 DE69834478 D1 DE 69834478D1
- Authority
- DE
- Germany
- Prior art keywords
- accessing
- base station
- transmission system
- spread spectrum
- discrete multi
- 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
Classifications
-
- 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
- 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
-
- 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
- H04L1/0045—Arrangements at the receiver end
-
- 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
- H04L1/0057—Block codes
-
- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US803831 | 1997-02-24 | ||
US08/803,831 US6289037B1 (en) | 1997-02-24 | 1997-02-24 | Out of channel cyclic redundancy code method for a discrete multitone spread spectrum communications system |
PCT/US1998/003557 WO1998037647A2 (en) | 1997-02-24 | 1998-02-24 | Method to gain access to a base station in a discrete multitone spread spectrum communications system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69834478D1 true DE69834478D1 (de) | 2006-06-14 |
DE69834478T2 DE69834478T2 (de) | 2007-05-03 |
Family
ID=25187549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69834478T Expired - Lifetime DE69834478T2 (de) | 1997-02-24 | 1998-02-24 | Verfahren zum Zugriff auf eine Basisstation in einem Diskret-Mehrtonspreizspektrumübertragungssystem |
Country Status (5)
Country | Link |
---|---|
US (2) | US6289037B1 (de) |
EP (1) | EP0962064B1 (de) |
CA (1) | CA2281818C (de) |
DE (1) | DE69834478T2 (de) |
WO (1) | WO1998037647A2 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6289037B1 (en) * | 1997-02-24 | 2001-09-11 | At&T Wireless Services Inc. | Out of channel cyclic redundancy code method for a discrete multitone spread spectrum communications system |
FR2773427B1 (fr) * | 1998-01-08 | 2000-02-04 | Alsthom Cge Alcatel | Procede de securisation de transmissions d'information realisees par l'intermediaire d'un reseau de telecommunications ouvert |
US6643281B1 (en) | 1998-03-05 | 2003-11-04 | At&T Wireless Services, Inc. | Synchronization preamble method for OFDM waveforms in a communications system |
US6490260B1 (en) * | 1998-08-03 | 2002-12-03 | Samsung Electronics, Co., Ltd. | Transmitter with increased traffic throughput in digital mobile telecommunication system and method for operating the same |
DE19845109A1 (de) * | 1998-09-30 | 2000-04-13 | Siemens Ag | Verfahren zum Auswerten einer Darstellungsschicht-Dateneinheit |
CA2308643A1 (en) * | 1999-10-14 | 2001-04-14 | Alcatel Networks Corporation Societe Par Actions De Regime Federal De Re Seaux Alcatel | Method and apparatus for providing integral cell payload integrity verification and detecting defective modules in telecommunication devices |
US6639899B1 (en) * | 1999-10-14 | 2003-10-28 | Alcatel Canada Inc. | Method and apparatus for providing integral cell payload integrity verification in ATM Telecommunication devices |
DE10009444A1 (de) * | 2000-02-29 | 2001-09-06 | Philips Corp Intellectual Pty | Betriebsverfahren für ein Mobiltelefon |
JP2002027537A (ja) * | 2000-07-10 | 2002-01-25 | Sharp Corp | 携帯電話機を利用したデータ通信システム |
US6807578B2 (en) * | 2001-03-14 | 2004-10-19 | International Business Machines Corporation | Nack suppression for multicast protocols in mostly one-way networks |
US7298718B2 (en) * | 2001-05-07 | 2007-11-20 | Qualcomm Incorporated | Channel allocations in a communications system |
US7590386B2 (en) * | 2002-04-18 | 2009-09-15 | Interdigital Technology Corporation | Method for control of contention-based wireless access |
US7796574B2 (en) * | 2002-09-10 | 2010-09-14 | Texas Instruments Incorporated | Multi-carrier reception for ultra-wideband (UWB) systems |
JP4726494B2 (ja) * | 2002-12-04 | 2011-07-20 | インターデイジタル テクノロジー コーポレーション | チャネル品質表示の検出 |
US7298727B2 (en) * | 2003-03-17 | 2007-11-20 | Samsung Electronics Co., Ltd. | Power control method and apparatus using control information in mobile communication system |
US20040190447A1 (en) * | 2003-03-26 | 2004-09-30 | Dacosta Behram M. | Dynamic routing for data transmissions |
CA2906478C (en) * | 2004-10-15 | 2019-01-08 | Tq Delta, Llc | Dmt symbol repetition in the presence of impulse noise |
US7827475B2 (en) * | 2005-05-02 | 2010-11-02 | Nokia Corporation | Enhanced random access transmission |
US20070019805A1 (en) * | 2005-06-28 | 2007-01-25 | Trustees Of Boston University | System employing systematic robust error detection coding to protect system element against errors with unknown probability distributions |
US7324913B2 (en) * | 2006-02-01 | 2008-01-29 | International Business Machines Corporation | Methods and apparatus for testing a link between chips |
EP2134021B1 (de) | 2007-01-09 | 2014-10-08 | Huawei Technologies Co., Ltd. | Verfahren zur Übertragung/Empfangen von Steuerinformationen und entsprechende Einrichtung dafür |
US9781685B2 (en) | 2013-11-21 | 2017-10-03 | At&T Intellectual Property I, L.P. | Self-adaptive coverage of wireless networks |
US10771194B2 (en) * | 2018-05-25 | 2020-09-08 | Arm Limited | Interconnection network for integrated circuit |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4831624A (en) * | 1987-06-04 | 1989-05-16 | Motorola, Inc. | Error detection method for sub-band coding |
US5056112A (en) | 1989-07-28 | 1991-10-08 | At&T Bell Laboratories | Interleaving in coded modulation for mobile radio |
US5278862A (en) * | 1992-04-03 | 1994-01-11 | Intellon Corporation | Timing for spread-spectrum communication across noisy media |
US5054035A (en) | 1989-12-21 | 1991-10-01 | At&T Bell Laboratories | Digital signal quality evaluation circuit using synchronization patterns |
US5130987A (en) * | 1990-03-23 | 1992-07-14 | Metricom, Inc. | Method for synchronizing a wide area network without global synchronizing |
US5561686A (en) * | 1991-08-23 | 1996-10-01 | Kabushiki Kaisha Toshiba | Radio information communication system using multi-carrier spread spectrum transmission system |
US5367539A (en) | 1991-12-31 | 1994-11-22 | At&T Bell Laboratories | Digital block processor for processing a plurality of transmission channels in a wireless radiotelephony system |
GB9213273D0 (en) * | 1992-06-23 | 1992-08-05 | Digital Equipment Int | Efficient atm cell synchronization |
US5509020A (en) * | 1993-05-27 | 1996-04-16 | Sony Corporation | Viterbi decoding apparatus and methods |
US5425049A (en) * | 1993-10-25 | 1995-06-13 | Ericsson Ge Mobile Communications Inc. | Staggered frequency hopping cellular radio system |
US5719883A (en) * | 1994-09-21 | 1998-02-17 | Lucent Technologies Inc. | Adaptive ARQ/FEC technique for multitone transmission |
US5784368A (en) * | 1994-09-23 | 1998-07-21 | Motorola, Inc. | Method and apparatus for providing a synchronous communication environment |
US5745479A (en) * | 1995-02-24 | 1998-04-28 | 3Com Corporation | Error detection in a wireless LAN environment |
US5703902A (en) * | 1995-06-16 | 1997-12-30 | Qualcomm Incorporated | Method and apparatus for determining signal strength in a variable data rate system |
US5692006A (en) | 1995-07-31 | 1997-11-25 | Qualcomm Incorporated | Adaptive despreader |
US6289037B1 (en) * | 1997-02-24 | 2001-09-11 | At&T Wireless Services Inc. | Out of channel cyclic redundancy code method for a discrete multitone spread spectrum communications system |
-
1997
- 1997-02-24 US US08/803,831 patent/US6289037B1/en not_active Expired - Lifetime
-
1998
- 1998-02-24 WO PCT/US1998/003557 patent/WO1998037647A2/en active IP Right Grant
- 1998-02-24 EP EP98911401A patent/EP0962064B1/de not_active Expired - Lifetime
- 1998-02-24 DE DE69834478T patent/DE69834478T2/de not_active Expired - Lifetime
- 1998-02-24 CA CA002281818A patent/CA2281818C/en not_active Expired - Fee Related
-
2001
- 2001-07-12 US US09/902,730 patent/US6639935B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20010040912A1 (en) | 2001-11-15 |
US6289037B1 (en) | 2001-09-11 |
US6639935B2 (en) | 2003-10-28 |
WO1998037647A3 (en) | 1998-10-29 |
CA2281818A1 (en) | 1998-08-27 |
EP0962064B1 (de) | 2006-05-10 |
DE69834478T2 (de) | 2007-05-03 |
CA2281818C (en) | 2003-04-01 |
EP0962064A2 (de) | 1999-12-08 |
WO1998037647A2 (en) | 1998-08-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8381 | Inventor (new situation) |
Inventor name: RYAN, DAVID, JAMES, SEATTLE, WA 98103, US Inventor name: MAXWELL, ROBERT, LEE, DUVALL, WA 98019, US Inventor name: GIBBONS, DAVID, REDMOND, WA 95083, US |
|
8364 | No opposition during term of opposition |