WO1996039785A3 - Improvements of or relating to cordless telephony - Google Patents
Improvements of or relating to cordless telephony Download PDFInfo
- Publication number
- WO1996039785A3 WO1996039785A3 PCT/SE1996/000699 SE9600699W WO9639785A3 WO 1996039785 A3 WO1996039785 A3 WO 1996039785A3 SE 9600699 W SE9600699 W SE 9600699W WO 9639785 A3 WO9639785 A3 WO 9639785A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- radio base
- simplified
- base stations
- instance
- telephone exchange
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/045—Interfaces between hierarchically different network devices between access point and backbone network device
-
- 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
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to improvements of or relating to cordless telephony and allows a DECT-system to be established at a comparatively low cost by use of the existing public telecommunications network. It further allows that the construction of the radio base stations are simplified and their costs reduced by placing certain functions in a local telephone exchange and to share these functions between radio base stations. Transmission between radio base stations and a local telephone exchange is simplified by the use of an ISDN-protocol, i.e. a transmission format based on the ISDN-standard which utilizes two B-channels with 64 kbit/s, and one D-channel with 16 kbit/s, over one single twisted copper connection. In a WACA-system according to the present invention, much of the higher control layers, for instance NWK and DLC, are placed in a central control unit, for instance located to a local telephone exchange. In this way the system layers can be made comparatively powerful. This makes it possible that subscriber equipment which introduces a radio base station can be simplified for instance by making the MAC-layer thinner. Consequently, the subscriber equipment is not quite independent since its fixed unit is at least partly remote-controlled.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9502052-5 | 1995-06-06 | ||
SE9502052A SE514244C2 (en) | 1995-06-06 | 1995-06-06 | Improvements to or with regard to wireless telephony |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1996039785A2 WO1996039785A2 (en) | 1996-12-12 |
WO1996039785A3 true WO1996039785A3 (en) | 1997-02-13 |
Family
ID=20398521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE1996/000699 WO1996039785A2 (en) | 1995-06-06 | 1996-05-30 | Improvements of or relating to cordless telephony |
Country Status (2)
Country | Link |
---|---|
SE (1) | SE514244C2 (en) |
WO (1) | WO1996039785A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19717365C1 (en) * | 1997-04-24 | 1998-11-26 | Siemens Ag | ISDN network with DECT intermediate system |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992004796A1 (en) * | 1990-09-04 | 1992-03-19 | Motorola, Inc. | Cordless telephone system for residential, business and public telepoint operation |
WO1993011625A1 (en) * | 1991-12-06 | 1993-06-10 | Motorola Inc. | Radiotelephone system controller |
US5257410A (en) * | 1991-03-22 | 1993-10-26 | Motorola, Inc. | Communication device with ISDN interface |
WO1995005720A1 (en) * | 1993-08-12 | 1995-02-23 | Nokia Telecommunications Oy | Ct2 telephone system |
EP0643543A2 (en) * | 1993-09-10 | 1995-03-15 | Alcatel SEL Aktiengesellschaft | Proximity telephone system |
GB2288104A (en) * | 1994-03-31 | 1995-10-04 | Plessey Telecomm | Call point base stations interconnected by CT2 radio |
WO1995033350A1 (en) * | 1994-06-01 | 1995-12-07 | Airnet Communications Corp. | Wideband wireless basestation making use of time division multiple-access bus to effect switchable connections to modulator/demodulator resources |
-
1995
- 1995-06-06 SE SE9502052A patent/SE514244C2/en not_active IP Right Cessation
-
1996
- 1996-05-30 WO PCT/SE1996/000699 patent/WO1996039785A2/en active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992004796A1 (en) * | 1990-09-04 | 1992-03-19 | Motorola, Inc. | Cordless telephone system for residential, business and public telepoint operation |
US5257410A (en) * | 1991-03-22 | 1993-10-26 | Motorola, Inc. | Communication device with ISDN interface |
WO1993011625A1 (en) * | 1991-12-06 | 1993-06-10 | Motorola Inc. | Radiotelephone system controller |
WO1995005720A1 (en) * | 1993-08-12 | 1995-02-23 | Nokia Telecommunications Oy | Ct2 telephone system |
EP0643543A2 (en) * | 1993-09-10 | 1995-03-15 | Alcatel SEL Aktiengesellschaft | Proximity telephone system |
GB2288104A (en) * | 1994-03-31 | 1995-10-04 | Plessey Telecomm | Call point base stations interconnected by CT2 radio |
WO1995033350A1 (en) * | 1994-06-01 | 1995-12-07 | Airnet Communications Corp. | Wideband wireless basestation making use of time division multiple-access bus to effect switchable connections to modulator/demodulator resources |
Also Published As
Publication number | Publication date |
---|---|
SE514244C2 (en) | 2001-01-29 |
SE9502052L (en) | 1996-12-07 |
WO1996039785A2 (en) | 1996-12-12 |
SE9502052D0 (en) | 1995-06-06 |
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