HK1081376A1 - Transmit channel request messaging for half-duplex voice communications systems - Google Patents

Transmit channel request messaging for half-duplex voice communications systems

Info

Publication number
HK1081376A1
HK1081376A1 HK06102382.6A HK06102382A HK1081376A1 HK 1081376 A1 HK1081376 A1 HK 1081376A1 HK 06102382 A HK06102382 A HK 06102382A HK 1081376 A1 HK1081376 A1 HK 1081376A1
Authority
HK
Hong Kong
Prior art keywords
transmit channel
channel request
duplex voice
communications systems
voice communications
Prior art date
Application number
HK06102382.6A
Other languages
English (en)
Inventor
Padakandla Krishna Rao
Sing Janus Yau
Original Assignee
Research In Motion 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 Research In Motion Ltd filed Critical Research In Motion Ltd
Publication of HK1081376A1 publication Critical patent/HK1081376A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/16—Half-duplex systems; Simplex/duplex switching; Transmission of break signals non-automatically inverting the direction of transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast
    • H04W76/45—Connection management for selective distribution or broadcast for Push-to-Talk [PTT] or Push-to-Talk over cellular [PoC] services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/10—Push-to-Talk [PTT] or Push-On-Call services

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Transceivers (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
HK06102382.6A 2004-02-27 2006-02-23 Transmit channel request messaging for half-duplex voice communications systems HK1081376A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04251151A EP1569474B1 (fr) 2004-02-27 2004-02-27 Messagerie de demande pour un canal de transmission dans des systèmes de communication vocaux semi duplex

Publications (1)

Publication Number Publication Date
HK1081376A1 true HK1081376A1 (en) 2006-05-12

Family

ID=34746119

Family Applications (2)

Application Number Title Priority Date Filing Date
HK06102382.6A HK1081376A1 (en) 2004-02-27 2006-02-23 Transmit channel request messaging for half-duplex voice communications systems
HK09101027.6A HK1125246A1 (en) 2004-02-27 2009-02-05 Method and system for a transmit channel request messaging for half-duplex voice communications systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK09101027.6A HK1125246A1 (en) 2004-02-27 2009-02-05 Method and system for a transmit channel request messaging for half-duplex voice communications systems

Country Status (9)

Country Link
EP (2) EP1569474B1 (fr)
JP (1) JP2007503743A (fr)
KR (1) KR100808083B1 (fr)
CN (1) CN1860705A (fr)
AT (2) ATE415792T1 (fr)
CA (1) CA2498997C (fr)
DE (2) DE602004030055D1 (fr)
HK (2) HK1081376A1 (fr)
WO (1) WO2005083906A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005043003A1 (de) * 2005-09-09 2007-03-22 Infineon Technologies Ag Telekommunikationskonferenz-Server, Telekommunikations-Endgerät, Verfahren zum Erzeugen einer Telekommunikationskonferenz-Steuernachricht, Verfahren zum Steuern einer Telekommunikationskonferenz, computerlesbare Speichermedien und Computerprogrammelemente
US8224366B2 (en) * 2006-02-17 2012-07-17 Qualcomm Incorporated System and method for multiple simultaneous communication groups in a wireless system
CN101202971B (zh) * 2006-12-15 2010-12-08 华为技术有限公司 半双工呼叫的信道控制方法、网络侧装置、用户终端和系统
US8410900B2 (en) * 2010-03-23 2013-04-02 Robert Bosch Gmbh Method for processing received event message
CN116599565A (zh) * 2023-05-17 2023-08-15 湖南迈克森伟电子科技有限公司 应用于激光雷达的信号处理方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9826986D0 (en) 1998-12-08 1999-02-03 Simoco Int Ltd Radio communication system
US6449491B1 (en) * 1999-05-10 2002-09-10 Ericsson Inc. Apparatus and methods for conducting group calls in wireless communications systems
US6751468B1 (en) * 1999-05-26 2004-06-15 Bellsouth Intellectual Property Corporation Systems and methods for providing push to talk feature for wireless communication systems
CA2813536C (fr) 2000-03-03 2015-08-25 Qualcomm Incorporated Procede et appareil pour participer a des services de communications de groupe dans un systeme de communication existant

Also Published As

Publication number Publication date
WO2005083906A1 (fr) 2005-09-09
DE602004017956D1 (de) 2009-01-08
EP1976312A3 (fr) 2008-10-15
CN1860705A (zh) 2006-11-08
KR100808083B1 (ko) 2008-02-28
EP1569474B1 (fr) 2008-11-26
EP1569474A1 (fr) 2005-08-31
ATE488103T1 (de) 2010-11-15
KR20060095973A (ko) 2006-09-05
HK1125246A1 (en) 2009-07-31
JP2007503743A (ja) 2007-02-22
DE602004030055D1 (de) 2010-12-23
ATE415792T1 (de) 2008-12-15
EP1976312A2 (fr) 2008-10-01
EP1976312B1 (fr) 2010-11-10
CA2498997C (fr) 2009-06-09
CA2498997A1 (fr) 2005-08-27

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Legal Events

Date Code Title Description
PE Patent expired

Effective date: 20240226