CA2108324A1 - Systeme de communication - Google Patents
Systeme de communicationInfo
- Publication number
- CA2108324A1 CA2108324A1 CA002108324A CA2108324A CA2108324A1 CA 2108324 A1 CA2108324 A1 CA 2108324A1 CA 002108324 A CA002108324 A CA 002108324A CA 2108324 A CA2108324 A CA 2108324A CA 2108324 A1 CA2108324 A1 CA 2108324A1
- Authority
- CA
- Canada
- Prior art keywords
- talk group
- controller
- registered
- radio
- scanning
- 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.)
- Abandoned
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/08—Trunked mobile radio systems
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9221948A GB2271690B (en) | 1992-10-17 | 1992-10-17 | A communications system |
GB9221948.4 | 1992-10-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2108324A1 true CA2108324A1 (fr) | 1994-04-18 |
Family
ID=10723700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002108324A Abandoned CA2108324A1 (fr) | 1992-10-17 | 1993-10-13 | Systeme de communication |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN1086649A (fr) |
CA (1) | CA2108324A1 (fr) |
GB (1) | GB2271690B (fr) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08214370A (ja) * | 1995-02-02 | 1996-08-20 | Hitachi Denshi Ltd | マルチチャネルアクセス通信システムの端末呼出方法 |
EP0727914B1 (fr) * | 1995-02-16 | 2004-05-12 | Siemens Aktiengesellschaft | Procédé d'éstablissement d'appel vers un groupe de mobiles dans un réseau de communication mobile |
FI101923B (fi) * | 1995-12-05 | 1998-09-15 | Nokia Telecommunications Oy | Puheenvuorojen jakaminen suorakanavalla liikennöiville matkaviestimill e |
JP3048961B2 (ja) | 1997-06-09 | 2000-06-05 | 日本電気移動通信株式会社 | グループ通信方式 |
US6377560B1 (en) * | 1998-10-09 | 2002-04-23 | Ericsson Inc. | Group call capability in a wireless network |
US6564049B1 (en) * | 1999-05-10 | 2003-05-13 | Ericsson Inc. | Methods and systems for providing group calls with reduced setup times |
US6577874B1 (en) | 1999-05-10 | 2003-06-10 | Ericsson Inc. | Methods and systems for providing temporary identification numbers for mobile terminals |
US6532224B1 (en) | 1999-05-10 | 2003-03-11 | Ericsson, Inc. | Method, systems, and terminals for assigning control channel time slots for group and individual pages |
US6449491B1 (en) * | 1999-05-10 | 2002-09-10 | Ericsson Inc. | Apparatus and methods for conducting group calls in wireless communications systems |
US6671515B1 (en) * | 2000-06-06 | 2003-12-30 | Motorola, Inc. | Method and apparatus for selecting communication cells in a wireless communication system |
CN1314283C (zh) * | 2003-09-05 | 2007-05-02 | 华为技术有限公司 | 集群通信系统组呼区域设定的方法 |
DE102004049907A1 (de) * | 2004-10-13 | 2006-04-20 | Infineon Technologies Ag | Verfahren zum Anfordern oder Zuteilen eines Push-to-talk-Sprachrechts und/oder zum Erfragen oder Mitteilen von Warteschlangeninformation, Push-to-talk-Client-Einheit, Push-to-talk-Steuerserverrechner und Entscheidungseinheit |
TWI459207B (zh) * | 2006-10-17 | 2014-11-01 | Monolithic Power Systems Inc | 單線串列協定實施系統及方法 |
US8139597B2 (en) * | 2008-10-03 | 2012-03-20 | Motorola Solutions, Inc. | Method for trunking radio frequency resources |
US8279991B2 (en) | 2008-10-03 | 2012-10-02 | Motorola Solutions, Inc. | Method of efficiently synchronizing to a desired timeslot in a time division multiple access communication system |
US8358968B2 (en) | 2008-10-03 | 2013-01-22 | Motorola Solutions, Inc. | Method for selecting a channel to be monitored by subscriber units that are idle in a communication system |
US8503409B2 (en) | 2010-04-15 | 2013-08-06 | Motorola Solutions, Inc. | Method for direct mode channel access |
US8599826B2 (en) | 2010-04-15 | 2013-12-03 | Motorola Solutions, Inc. | Method for synchronizing direct mode time division multiple access (TDMA) transmissions |
US8462766B2 (en) | 2011-03-07 | 2013-06-11 | Motorola Solutions, Inc. | Methods and apparatus for diffusing channel timing among subscriber units in TDMA direct mode |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5101502A (en) * | 1990-04-02 | 1992-03-31 | Motorola, Inc. | Wide area trunked channel busy override |
-
1992
- 1992-10-17 GB GB9221948A patent/GB2271690B/en not_active Expired - Fee Related
-
1993
- 1993-10-13 CA CA002108324A patent/CA2108324A1/fr not_active Abandoned
- 1993-10-16 CN CN 93119180 patent/CN1086649A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN1086649A (zh) | 1994-05-11 |
GB2271690A (en) | 1994-04-20 |
GB2271690B (en) | 1996-09-11 |
GB9221948D0 (en) | 1992-12-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Discontinued | ||
FZDE | Discontinued |
Effective date: 20001013 |