WO1996039785A3 - Improvements of or relating to cordless telephony - Google Patents

Improvements of or relating to cordless telephony Download PDF

Info

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
Application number
PCT/SE1996/000699
Other languages
French (fr)
Other versions
WO1996039785A2 (en
Inventor
Peter Olanders
Original Assignee
Telia Ab
Peter Olanders
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 Telia Ab, Peter Olanders filed Critical Telia Ab
Publication of WO1996039785A2 publication Critical patent/WO1996039785A2/en
Publication of WO1996039785A3 publication Critical patent/WO1996039785A3/en

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.
PCT/SE1996/000699 1995-06-06 1996-05-30 Improvements of or relating to cordless telephony WO1996039785A2 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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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