DE3581536D1 - Duplex-zusammenschaltungs-/verteilungsfernfunksystem. - Google Patents
Duplex-zusammenschaltungs-/verteilungsfernfunksystem.Info
- Publication number
- DE3581536D1 DE3581536D1 DE8686900358T DE3581536T DE3581536D1 DE 3581536 D1 DE3581536 D1 DE 3581536D1 DE 8686900358 T DE8686900358 T DE 8686900358T DE 3581536 T DE3581536 T DE 3581536T DE 3581536 D1 DE3581536 D1 DE 3581536D1
- Authority
- DE
- Germany
- Prior art keywords
- trunked
- subscriber units
- duplex
- telephone interconnect
- control unit
- 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
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Radio Relay Systems (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US67873484A | 1984-12-06 | 1984-12-06 | |
PCT/US1985/002221 WO1986003635A1 (en) | 1984-12-06 | 1985-11-07 | Duplex interconnect/dispatch trunked radio system |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3581536D1 true DE3581536D1 (de) | 1991-02-28 |
Family
ID=24724041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686900358T Expired - Lifetime DE3581536D1 (de) | 1984-12-06 | 1985-11-07 | Duplex-zusammenschaltungs-/verteilungsfernfunksystem. |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0204813B1 (de) |
JP (1) | JPS62501255A (de) |
KR (1) | KR930011505B1 (de) |
CN (1) | CN1004319B (de) |
AT (1) | ATE60472T1 (de) |
AU (1) | AU577005B2 (de) |
CA (1) | CA1234938A (de) |
DE (1) | DE3581536D1 (de) |
WO (1) | WO1986003635A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2244890B (en) * | 1987-06-03 | 1992-06-03 | Ericsson Ge Mobile Communicat | Trunked radio repeater system |
US4821310A (en) * | 1987-12-22 | 1989-04-11 | Motorola, Inc. | Transmission trunked radio system with voice buffering and off-line dialing |
AU659239B2 (en) * | 1991-12-06 | 1995-05-11 | Motorola, Inc. | Radiotelephone system controller |
DE4304095B4 (de) * | 1993-02-11 | 2005-08-25 | Philips Intellectual Property & Standards Gmbh | Mobilfunksystem |
FI98034C (fi) * | 1994-05-19 | 1997-03-25 | Nokia Telecommunications Oy | Menetelmä puhelun muodostamiseksi matkaviestinjärjestelmässä ja matkaviestinjärjestelmä |
US6073014A (en) * | 1997-09-04 | 2000-06-06 | Motorola, Inc. | Method and system for dynamic group radio using existing telephony infrastructure |
CN101977103A (zh) * | 2010-11-01 | 2011-02-16 | 中国人民解放军信息工程大学 | 一种双向中继网络中等效全双工实现方法 |
US8923755B2 (en) | 2012-04-29 | 2014-12-30 | Techmer Ltd. | Radio repeater system |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3586978A (en) * | 1969-04-15 | 1971-06-22 | Gte Automatic Electric Lab Inc | Touch calling radio telephone terminal |
US4009346A (en) * | 1974-12-30 | 1977-02-22 | International Business Machines Corporation | Distributional activity compression |
US4009347A (en) * | 1974-12-30 | 1977-02-22 | International Business Machines Corporation | Modular branch exchange and nodal access units for multiple access systems |
US4012597A (en) * | 1975-11-24 | 1977-03-15 | Motorola, Inc. | Transmission trunk multichannel dispatch system with priority queuing |
US4409687A (en) * | 1978-10-30 | 1983-10-11 | General Electric Company | Arrangement and method for establishing radio communication in a system |
US4360927A (en) * | 1979-03-12 | 1982-11-23 | General Electric Company | Repeater trunking system |
US4399555A (en) * | 1980-04-28 | 1983-08-16 | Bell Telephone Laboratories, Incorporated | Cellular high capacity mobile radiotelephone system with fleet-calling arrangement for dispatch service |
US4347625A (en) * | 1980-06-16 | 1982-08-31 | General Electric Company | Arrangement for cellular operation of a repeater trunking system |
US4534061A (en) * | 1983-09-06 | 1985-08-06 | General Electric Company | Deterministic multi-access method for a decentralized mobile radio system |
US4553262A (en) * | 1983-11-25 | 1985-11-12 | Motorola, Inc. | Communications system enabling radio link access for non-trunked radio units to a multifrequency trunked two-way communications systems |
-
1985
- 1985-11-04 CA CA000494517A patent/CA1234938A/en not_active Expired
- 1985-11-06 CN CN85107963.6A patent/CN1004319B/zh not_active Expired
- 1985-11-07 WO PCT/US1985/002221 patent/WO1986003635A1/en active IP Right Grant
- 1985-11-07 EP EP86900358A patent/EP0204813B1/de not_active Expired - Lifetime
- 1985-11-07 AT AT86900358T patent/ATE60472T1/de not_active IP Right Cessation
- 1985-11-07 KR KR1019860700535A patent/KR930011505B1/ko not_active IP Right Cessation
- 1985-11-07 AU AU51906/86A patent/AU577005B2/en not_active Ceased
- 1985-11-07 JP JP60505421A patent/JPS62501255A/ja active Pending
- 1985-11-07 DE DE8686900358T patent/DE3581536D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS62501255A (ja) | 1987-05-14 |
EP0204813A4 (de) | 1987-04-13 |
EP0204813B1 (de) | 1991-01-23 |
AU5190686A (en) | 1986-07-01 |
WO1986003635A1 (en) | 1986-06-19 |
KR930011505B1 (ko) | 1993-12-08 |
AU577005B2 (en) | 1988-09-08 |
ATE60472T1 (de) | 1991-02-15 |
CN1004319B (zh) | 1989-05-24 |
EP0204813A1 (de) | 1986-12-17 |
CA1234938A (en) | 1988-04-05 |
KR870700184A (ko) | 1987-03-14 |
CN85107963A (zh) | 1986-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8339 | Ceased/non-payment of the annual fee |