CA2009234A1 - Base station emulator - Google Patents

Base station emulator

Info

Publication number
CA2009234A1
CA2009234A1 CA2009234A CA2009234A CA2009234A1 CA 2009234 A1 CA2009234 A1 CA 2009234A1 CA 2009234 A CA2009234 A CA 2009234A CA 2009234 A CA2009234 A CA 2009234A CA 2009234 A1 CA2009234 A1 CA 2009234A1
Authority
CA
Canada
Prior art keywords
base station
station
subscriber
station emulator
signal
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.)
Granted
Application number
CA2009234A
Other languages
French (fr)
Other versions
CA2009234C (en
Inventor
John David Kaewell, Jr.
Scott David Kurtz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
InterDigital Technology Corp
Original Assignee
InterDigital Inc
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
Priority to US07/123,395 priority Critical patent/US4935927A/en
Application filed by InterDigital Inc filed Critical InterDigital Inc
Priority to GB9002383A priority patent/GB2240690B/en
Priority to CA002009234A priority patent/CA2009234C/en
Priority to SE9000390A priority patent/SE467720B/en
Priority to AU49158/90A priority patent/AU617030B2/en
Priority to DE4003820A priority patent/DE4003820C2/en
Priority to NL9000331A priority patent/NL9000331A/en
Priority to FR9001768A priority patent/FR2658372B1/en
Priority to BE9000176A priority patent/BE1003825A3/en
Publication of CA2009234A1 publication Critical patent/CA2009234A1/en
Priority to SE9201163A priority patent/SE470393B/en
Application granted granted Critical
Publication of CA2009234C publication Critical patent/CA2009234C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H04M1/72502—Cordless telephones with one base station connected to a single line
    • H04M1/72505—Radio link set-up procedures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2603—Arrangements for wireless physical layer control
    • H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Abstract

A wireless digital telephone system containing at least one emulated base station plus one or more subscriber stations, the emulated base station comprising a station similar to the subscriber station but having the capability of initi-ating a synchronization process whereby it is enabled to assign time slots to the subscriber station within the frame pattern of an amplitude signal by means of monitoring for positive edges in the signal.
CA002009234A 1987-11-20 1990-02-02 Base station emulator Expired - Lifetime CA2009234C (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
US07/123,395 US4935927A (en) 1987-11-20 1987-11-20 Base station emulator
GB9002383A GB2240690B (en) 1987-11-20 1990-02-02 Base station emulator
CA002009234A CA2009234C (en) 1987-11-20 1990-02-02 Base station emulator
SE9000390A SE467720B (en) 1987-11-20 1990-02-05 Wireless digital telephone system
AU49158/90A AU617030B2 (en) 1987-11-20 1990-02-06 Base station emulator
DE4003820A DE4003820C2 (en) 1987-11-20 1990-02-08 Wireless digital radiotelephone system
NL9000331A NL9000331A (en) 1987-11-20 1990-02-12 WIRELESS DIGITAL TELEPHONE SYSTEM.
FR9001768A FR2658372B1 (en) 1987-11-20 1990-02-14 WIRELESS DIGITAL TELEPHONE DEVICE.
BE9000176A BE1003825A3 (en) 1987-11-20 1990-02-16 WIRELESS DIGITAL TELEPHONE DEVICE.
SE9201163A SE470393B (en) 1987-11-20 1992-04-13 Duplex communication system and method between a first station and one or more second stations over one of a plurality of frequencies available

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/123,395 US4935927A (en) 1987-11-20 1987-11-20 Base station emulator
CA002009234A CA2009234C (en) 1987-11-20 1990-02-02 Base station emulator
SE9201163A SE470393B (en) 1987-11-20 1992-04-13 Duplex communication system and method between a first station and one or more second stations over one of a plurality of frequencies available

Publications (2)

Publication Number Publication Date
CA2009234A1 true CA2009234A1 (en) 1991-08-02
CA2009234C CA2009234C (en) 1994-10-04

Family

ID=27168707

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002009234A Expired - Lifetime CA2009234C (en) 1987-11-20 1990-02-02 Base station emulator

Country Status (8)

Country Link
US (1) US4935927A (en)
AU (1) AU617030B2 (en)
BE (1) BE1003825A3 (en)
CA (1) CA2009234C (en)
DE (1) DE4003820C2 (en)
FR (1) FR2658372B1 (en)
NL (1) NL9000331A (en)
SE (1) SE470393B (en)

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US5347562A (en) * 1989-08-18 1994-09-13 Hutchinson Personal Communications Limited Synchronizing groups of base stations in time division duplex communication systems
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US5285443A (en) * 1992-08-25 1994-02-08 Motorola, Inc. Method and apparatus for synchronizing a time division duplexing communication system
US5345327A (en) * 1993-03-29 1994-09-06 At&T Bell Laboratories Digital infrared communications system with edge detection
GB2285723B (en) * 1994-01-18 1997-09-10 Motorola Ltd Communications system
JP2629628B2 (en) * 1994-12-15 1997-07-09 日本電気株式会社 Simple mobile phone device and its communication system
DE19520024A1 (en) * 1995-05-31 1996-12-05 Siemens Ag Universal mobile telecommunication system
DE19542390A1 (en) * 1995-11-14 1997-05-15 R & S Bick Mobilfunk Gmbh Radio network
US5946631A (en) * 1996-10-17 1999-08-31 Philips Electronics North America Corporation Real-time CSMA method having the capability to adaptively vary cell sizes and a wireless network for implementing the same
FI103855B (en) * 1996-10-30 1999-09-30 Nokia Telecommunications Oy Handover method and cellular radio network
US20060262832A1 (en) * 1997-03-12 2006-11-23 Interdigital Technology Corporation Convolutionally encoding and decoding multiple data streams
US6134283A (en) * 1997-11-18 2000-10-17 Amati Communications Corporation Method and system for synchronizing time-division-duplexed transceivers
DE19811630C2 (en) * 1998-03-18 2002-11-21 Siemens Ag Data adapter for communication devices for the remote transmission of user data, in particular packet and / or voice data
US6484027B1 (en) 1998-06-15 2002-11-19 Sbc Technology Resources, Inc. Enhanced wireless handset, including direct handset-to-handset communication mode
EP0984652B8 (en) * 1998-07-28 2009-07-08 Canon Kabushiki Kaisha Method and device for communication on a network
DE69930091T2 (en) * 1998-07-28 2006-08-17 Canon K.K. Method and device for transmitting messages in a network
US6415146B1 (en) * 1999-05-25 2002-07-02 Lucent Technologies Inc. Wireless system enabling mobile-to-mobile communication
DE19925262A1 (en) * 1999-06-01 2001-01-25 Siemens Ag Modem data transmission method for TDMA radio system
US20020071479A1 (en) * 2000-10-27 2002-06-13 L-3 Communications Corporation Use of common waveform in forward and reverse channels to reduce cost in point-to-multipoint system and to provide point-to-point mode
DE10106807B4 (en) * 2001-02-14 2005-06-23 Siemens Ag Method for synchronizing stations in a radio communication system, in particular a mobile radio system
DE10147139A1 (en) * 2001-09-25 2003-04-24 Siemens Ag Quantitative position assessment device for machine parts e.g. shaft, workpiece, has two-dimensionally readable optoelectronic sensor which reflects incident light beam directly to another optoelectronic sensor
US20040266425A1 (en) * 2003-06-24 2004-12-30 Sbc, Inc. Wireless wide area network charger and cradle
US7616950B2 (en) * 2003-09-04 2009-11-10 At&T Intellectual Property I, L.P. Call forwarding control device and method of call management
US7769392B2 (en) * 2003-09-23 2010-08-03 At&T Intellectual Property I, L.P. Method and system for forwarding wireless communications
US8526977B2 (en) * 2003-09-23 2013-09-03 At&T Intellectual Property I, L.P. Location based call routing for call answering services
US20050064853A1 (en) * 2003-09-23 2005-03-24 Sbc Knowledge Ventures, L.P. Unified telephone handset for personal communications based on wireline and wireless network convergence
US7577427B2 (en) * 2003-11-05 2009-08-18 At&T Intellectual Property I, L.P. System and method of transitioning between cellular and voice over internet protocol communication
US20050277431A1 (en) * 2004-06-14 2005-12-15 Sbc Knowledge Ventures, Lp System and method for managing wireless data communications
US20060003806A1 (en) * 2004-07-02 2006-01-05 Sbc Knowledge Ventures, L.P. Phone synchronization device and method of handling personal information
US7580837B2 (en) 2004-08-12 2009-08-25 At&T Intellectual Property I, L.P. System and method for targeted tuning module of a speech recognition system
US7242751B2 (en) 2004-12-06 2007-07-10 Sbc Knowledge Ventures, L.P. System and method for speech recognition-enabled automatic call routing
US7751551B2 (en) 2005-01-10 2010-07-06 At&T Intellectual Property I, L.P. System and method for speech-enabled call routing
US7657020B2 (en) 2005-06-03 2010-02-02 At&T Intellectual Property I, Lp Call routing system and method of using the same
US8005204B2 (en) 2005-06-03 2011-08-23 At&T Intellectual Property I, L.P. Call routing system and method of using the same
US7813371B2 (en) * 2007-03-21 2010-10-12 Kapsch Trafficcom Ag System and method for short range communication using adaptive channel intervals

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Also Published As

Publication number Publication date
FR2658372A1 (en) 1991-08-16
AU617030B2 (en) 1991-11-14
CA2009234C (en) 1994-10-04
DE4003820A1 (en) 1991-08-14
SE9201163L (en) 1992-04-13
SE9201163D0 (en) 1992-04-13
US4935927A (en) 1990-06-19
FR2658372B1 (en) 1994-05-06
DE4003820C2 (en) 1998-11-26
BE1003825A3 (en) 1992-06-23
NL9000331A (en) 1991-09-02
AU4915890A (en) 1991-08-08
SE470393B (en) 1994-02-07

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry
MKEX Expiry

Effective date: 20100202