ZA200205637B - Digital communications system. - Google Patents

Digital communications system.

Info

Publication number
ZA200205637B
ZA200205637B ZA200205637A ZA200205637A ZA200205637B ZA 200205637 B ZA200205637 B ZA 200205637B ZA 200205637 A ZA200205637 A ZA 200205637A ZA 200205637 A ZA200205637 A ZA 200205637A ZA 200205637 B ZA200205637 B ZA 200205637B
Authority
ZA
South Africa
Prior art keywords
quiescent period
radios
primary
frame
signal
Prior art date
Application number
ZA200205637A
Other languages
English (en)
Inventor
Shaun Richard Fenton
Christopher Frank Phillips
Original Assignee
Motorola Ltd
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 Motorola Ltd filed Critical Motorola Ltd
Publication of ZA200205637B publication Critical patent/ZA200205637B/xx

Links

Classifications

    • 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
    • H04B7/2621—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using frequency division multiple access [FDMA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)
  • Optical Communication System (AREA)
ZA200205637A 2000-01-18 2002-07-15 Digital communications system. ZA200205637B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0001071A GB2358557B (en) 2000-01-18 2000-01-18 Digital communications system

Publications (1)

Publication Number Publication Date
ZA200205637B true ZA200205637B (en) 2003-12-31

Family

ID=9883872

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200205637A ZA200205637B (en) 2000-01-18 2002-07-15 Digital communications system.

Country Status (9)

Country Link
US (1) US7499707B2 (xx)
EP (1) EP1252736B1 (xx)
AT (1) ATE309649T1 (xx)
AU (1) AU767684B2 (xx)
CA (1) CA2397540C (xx)
DE (1) DE60114768T2 (xx)
GB (1) GB2358557B (xx)
WO (1) WO2001054334A1 (xx)
ZA (1) ZA200205637B (xx)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7349691B2 (en) * 2001-07-03 2008-03-25 Microsoft Corporation System and apparatus for performing broadcast and localcast communications
US7685126B2 (en) 2001-08-03 2010-03-23 Isilon Systems, Inc. System and methods for providing a distributed file system utilizing metadata to track information about data stored throughout the system
US7146524B2 (en) 2001-08-03 2006-12-05 Isilon Systems, Inc. Systems and methods for providing a distributed file system incorporating a virtual hot spare
EP2299375A3 (en) 2002-11-14 2012-02-01 EMC Corporation Systems and methods for restriping files in a distributed file system
US7961702B2 (en) * 2002-12-17 2011-06-14 University Of Maryland Distributed bandwidth allocation and transmission coordination method for quality of service provision in wireless ad hoc networks
US8051425B2 (en) * 2004-10-29 2011-11-01 Emc Corporation Distributed system with asynchronous execution systems and methods
US8238350B2 (en) * 2004-10-29 2012-08-07 Emc Corporation Message batching with checkpoints systems and methods
US8055711B2 (en) 2004-10-29 2011-11-08 Emc Corporation Non-blocking commit protocol systems and methods
US7551572B2 (en) 2005-10-21 2009-06-23 Isilon Systems, Inc. Systems and methods for providing variable protection
US7788303B2 (en) * 2005-10-21 2010-08-31 Isilon Systems, Inc. Systems and methods for distributed system scanning
US7797283B2 (en) 2005-10-21 2010-09-14 Isilon Systems, Inc. Systems and methods for maintaining distributed data
US7917474B2 (en) * 2005-10-21 2011-03-29 Isilon Systems, Inc. Systems and methods for accessing and updating distributed data
US7848261B2 (en) 2006-02-17 2010-12-07 Isilon Systems, Inc. Systems and methods for providing a quiescing protocol
US7756898B2 (en) 2006-03-31 2010-07-13 Isilon Systems, Inc. Systems and methods for notifying listeners of events
US7684816B2 (en) * 2006-04-06 2010-03-23 Motorola, Inc. Method and apparatus to facilitate communication resource allocation for supergroups
US8539056B2 (en) * 2006-08-02 2013-09-17 Emc Corporation Systems and methods for configuring multiple network interfaces
US7590652B2 (en) 2006-08-18 2009-09-15 Isilon Systems, Inc. Systems and methods of reverse lookup
US7752402B2 (en) * 2006-08-18 2010-07-06 Isilon Systems, Inc. Systems and methods for allowing incremental journaling
US7680842B2 (en) 2006-08-18 2010-03-16 Isilon Systems, Inc. Systems and methods for a snapshot of data
US7680836B2 (en) 2006-08-18 2010-03-16 Isilon Systems, Inc. Systems and methods for a snapshot of data
US7882071B2 (en) 2006-08-18 2011-02-01 Isilon Systems, Inc. Systems and methods for a snapshot of data
US7899800B2 (en) 2006-08-18 2011-03-01 Isilon Systems, Inc. Systems and methods for providing nonlinear journaling
US7953704B2 (en) * 2006-08-18 2011-05-31 Emc Corporation Systems and methods for a snapshot of data
US7822932B2 (en) 2006-08-18 2010-10-26 Isilon Systems, Inc. Systems and methods for providing nonlinear journaling
US7676691B2 (en) 2006-08-18 2010-03-09 Isilon Systems, Inc. Systems and methods for providing nonlinear journaling
US8286029B2 (en) 2006-12-21 2012-10-09 Emc Corporation Systems and methods for managing unavailable storage devices
US7593938B2 (en) 2006-12-22 2009-09-22 Isilon Systems, Inc. Systems and methods of directory entry encodings
US7509448B2 (en) 2007-01-05 2009-03-24 Isilon Systems, Inc. Systems and methods for managing semantic locks
US7779048B2 (en) 2007-04-13 2010-08-17 Isilon Systems, Inc. Systems and methods of providing possible value ranges
US7900015B2 (en) 2007-04-13 2011-03-01 Isilon Systems, Inc. Systems and methods of quota accounting
US8966080B2 (en) 2007-04-13 2015-02-24 Emc Corporation Systems and methods of managing resource utilization on a threaded computer system
US7966289B2 (en) 2007-08-21 2011-06-21 Emc Corporation Systems and methods for reading objects in a file system
US7949692B2 (en) * 2007-08-21 2011-05-24 Emc Corporation Systems and methods for portals into snapshot data
US7882068B2 (en) 2007-08-21 2011-02-01 Isilon Systems, Inc. Systems and methods for adaptive copy on write
US7953709B2 (en) 2008-03-27 2011-05-31 Emc Corporation Systems and methods for a read only mode for a portion of a storage system
US7984324B2 (en) 2008-03-27 2011-07-19 Emc Corporation Systems and methods for managing stalled storage devices
US7870345B2 (en) 2008-03-27 2011-01-11 Isilon Systems, Inc. Systems and methods for managing stalled storage devices
US7949636B2 (en) * 2008-03-27 2011-05-24 Emc Corporation Systems and methods for a read only mode for a portion of a storage system
US8605650B2 (en) * 2008-06-10 2013-12-10 Motorola Solutions, Inc. System and method for interrupting a transmitting device in a communication system
US20110179212A1 (en) * 2010-01-20 2011-07-21 Charles Andrew Hartman Bus arbitration for sideband signals
CN112026574B (zh) * 2020-07-16 2022-07-29 华为技术有限公司 基于低频磁场的定位系统、设备及方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754536A (en) * 1972-05-04 1973-08-28 Gen Motors Corp Rotary combustion engine
US3995120A (en) * 1975-05-30 1976-11-30 Gte Automatic Electric Laboratories Incorporated Digital time-division multiplexing system
US4093823A (en) * 1976-08-24 1978-06-06 Chu Wesley W Statistical multiplexing system for computer communications
JPH0744511B2 (ja) * 1988-09-14 1995-05-15 富士通株式会社 高郊率多重化方式
US5408680A (en) * 1992-08-11 1995-04-18 Ericsson Ge Mobile Communications Inc. Single channel autonomous digitally trunked RF communications system
CA2104753C (en) * 1992-10-29 1999-02-16 Kotikalapudi Sriram Bandwidth allocation, transmission scheduling, and congestion avoidance in broadband atm networks
JP3516972B2 (ja) * 1993-04-22 2004-04-05 株式会社東芝 通信システム
US5355366A (en) * 1993-04-23 1994-10-11 International Business Machines Corporation Traffic intermixing mechanism for fast circuit switching
GB2288102B (en) * 1994-03-23 1997-10-08 Motorola Ltd Mobile radio with transmit command control and mobile radio system
US5455826A (en) * 1994-06-28 1995-10-03 Oezveren; Cueneyt M. Method and apparatus for rate based flow control
US5717868A (en) * 1995-03-07 1998-02-10 Huntington Bancshares Inc. Electronic payment interchange concentrator
US5719868A (en) * 1995-10-05 1998-02-17 Rockwell International Dynamic distributed, multi-channel time division multiple access slot assignment method for a network of nodes
US5754536A (en) * 1995-10-30 1998-05-19 Motorola, Inc. Digital speech interpolation method and apparatus
US5870398A (en) * 1996-08-20 1999-02-09 International Business Machines Corporation Introducing inter-packet gaps in network transmissions
US6388999B1 (en) * 1997-12-17 2002-05-14 Tantivy Communications, Inc. Dynamic bandwidth allocation for multiple access communications using buffer urgency factor
FI114422B (fi) * 1997-09-04 2004-10-15 Nokia Corp Lähteen puheaktiviteetin tunnistus
US6377590B1 (en) * 1998-06-01 2002-04-23 Motorola, Inc. Apparatus and method for adaptive delay mitigation of voice communication
US6282430B1 (en) * 1999-01-01 2001-08-28 Motorola, Inc. Method for obtaining control information during a communication session in a radio communication system
WO2002065668A1 (en) * 2001-02-13 2002-08-22 Motorola, Inc., A Corporation Of The State Of Delaware Intelligent repeater and method to provide increased signaling
GB2381702B (en) * 2001-11-02 2004-01-07 Motorola Inc Communication system, user equipment and method of performing a conference call therefor

Also Published As

Publication number Publication date
ATE309649T1 (de) 2005-11-15
GB2358557A (en) 2001-07-25
WO2001054334A1 (en) 2001-07-26
EP1252736B1 (en) 2005-11-09
GB2358557B (en) 2002-05-08
AU2679901A (en) 2001-07-31
EP1252736A1 (en) 2002-10-30
US7499707B2 (en) 2009-03-03
CA2397540A1 (en) 2001-07-26
CA2397540C (en) 2010-09-14
US20030109253A1 (en) 2003-06-12
AU767684B2 (en) 2003-11-20
GB0001071D0 (en) 2000-03-08
DE60114768T2 (de) 2006-07-27
DE60114768D1 (de) 2005-12-15

Similar Documents

Publication Publication Date Title
GB2358557B (en) Digital communications system
BR9711028A (pt) Transmissão de mensagem de dados em uma rede de comunicações.
GB2301754B (en) A protocol converter for a telecommunications system
CA2118353A1 (en) Direct Signaling System for Narrowband Communications Networks
ES8503181A1 (es) Un sistema de servicio telefonico por radio movil celular.
IL121501A0 (en) Telephone-status notification system
NO972629D0 (no) Höyhastighets dataoverföring i mobilkommunikasjonsnett
DE60043414D1 (de) Gerät und Übertragungsverfahren für visuelle Anruferinformation in Mobilkommunikationsnetzwerken
MY115279A (en) Cellular radiotelephone system signalling protocol
FI103848B1 (fi) Ryhmäpuhelun ylläpitäminen matkaviestinjärjestelmässä
WO1995024782A3 (en) Transmission format in packet based communications
GB2350027B (en) Monitoring of connection between network devices in a packet-based communication system
FI973975A (fi) Matkaviestinjärjestelmä ja transkooderiyksikkö
EP1298856A3 (en) Method of transmitting packet data in a communication system
UA32528C2 (uk) Стільникова мобільна телефонна система
BR9712357A (pt) Processo de transmitir dados de usuário de interface terminal e informações de estado e quaisquer outras informações de controle ou sincronização em unidades de dados de protocolo, equipamento de transmissão e recepção, e, sistema móvel
DE60112084D1 (de) Informationsübertragung zu einer empfangseinrichtung
KR920704486A (ko) 인입 전화 호출 접속 방법 및 무선 통신 시스템
SE9603131D0 (sv) Digital mobildatakommunikationsanordning
WO2001033731A3 (de) Verfahren zur synchronisation einer signalübertragung in aufwärtsrichtung in einem funk-kommunikationssystem
JPS5687970A (en) Digital button telephone system
FI923708A (fi) Radiojärjestelmä ja menetelmä datan siirtämiseksi radiojärjestelmässä
EP0844774A3 (en) Wireless communication system
RU93057941A (ru) Наземная мобильная станция управления спутниковой системы связи
JPS6448533A (en) Mobile communication system monitoring system