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US6466767B1 Expired / Lapsed US ⏱️ 0.0 years remaining

Method and device in telecommunication system

Assignee: Infovista SAS
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Filing: 1998-09-08
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Granted: 2002-10-15
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Expires: 2018-09-08
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Abstract

Abstract A test transmitter for verifying the positioning of antennas in a mobile telecommunications system and a method for manufacturing such a test transmitter that is particularly suited for indoor use are presented. A mobile terminal is modified so that it can transmit in the downlink frequency band, and preferably so that it can transmit one or more of the signal types used for downlink signalling in the mobile telecommunications system.

Inventors

  • 👤 Stefan Lidbrink
  • 👤 Kenneth Schönfeldt
  • 👤 Björn Lindquist
  • 👤 Kar-Fat Poon
  • 👤 Kenneth Ekman
  • 👤 Niclas Ögren

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 15:03
CPC Classifications
H; H04; H04W; H04W16/00; H04W16/18; H04W16/20; H04B; H04B17/00; H04B17/20; H04B17/27; H04W24/00; H04W24/06; H04W88/00; H04W88/02

Claims Analysis

Total Claims: 33
Claim 1
Independent Claim 129 words
A test transmitter for a mobile telecommunications system including base stations transmitting in a downlink frequency band and portable units for receiving and transmitting, said portable units transmitting in an uplink frequency band and each including a portable unit casing, a portable unit transmitter part and a portable unit receiver part, said portable unit transmitter part including a portable unit microphone, a portable unit channel coding unit, a portable unit interleaving unit, a portable unit modulator unit, a portable unit transmitter unit adapted to transmit information in the uplink frequency band, and a portable unit antenna, said test transmitter comprising: a unit for generating a data stream; a portable unit modulator unit; and a transmitter unit adapted to transmit the generated data stream in the down link frequency band.
Claim 2
Dependent Claim 129 words
A test transmitter for a mobile telecommunications system including base stations transmitting in a downlink frequency band and portable units for receiving and transmitting, said portable units transmitting in an uplink frequency band and each including a portable unit casing, a portable unit transmitter part and a portable unit receiver part, said portable unit transmitter part including a portable unit microphone, a portable unit channel coding unit, a portable unit interleaving unit, a portable unit modulator unit, a portable unit transmitter unit adapted to transmit information in the uplink frequency band, and a portable unit antenna, said test transmitter comprising: a unit for generating a data stream; a portable unit modulator unit; and a transmitter unit adapted to transmit the generated data stream in the down link frequency band.
Claim 3
Dependent Claim 16 words
The test transmitter according to claim 1 , further comprising a portable unit channel coding unit.
Claim 4
Dependent Claim 16 words
The test transmitter according to claim 1 , further comprising a portable unit channel coding unit.
Claim 5
Dependent Claim 25 words
The test transmitter according to claim 1 , wherein said transmitter transmits at least one of the modulated signal types normally used for downlink signalling.
Claim 6
Dependent Claim 20 words
The test transmitter according to claim 1 , wherein said transmitter has an output power limitable to approximately 0.5 W.
Claim 7
Dependent Claim 19 words
The test transmitter according to claim 1 , wherein said transmitter comprises said portable unit receiver and demodulator unit.
Claim 8
Dependent Claim 29 words
The test transmitter according to claim 1 , further comprising a portable unit Viterbi equalizer, a portable unit deciphering and de-interleaving unit and/or a portable unit Viterbi decoding unit.
Claim 9
Dependent Claim 21 words
The test transmitter according to claim 1 , wherein said transmitter is adapted to receive signals in the uplink frequency band.
Claim 10
Dependent Claim 18 words
The test transmitter according to claim 1 , wherein said transmitter is housed in a portable unit casing.
Claim 11
Dependent Claim 14 words
The test transmitter according to claim 1 , further comprising a portable unit antenna.
Claim 12
Dependent Claim 13 words
The test transmitter according to 1 , wherein said transmitter is battery powered.
Claim 13
Dependent Claim 13 words
The test transmitter according to 1 , wherein said transmitter is battery powered.
Claim 14
Dependent Claim 22 words
The test transmitter according to claim 1 , wherein further comprising a user interface to enable control and supervision of test functions.
Claim 15
Dependent Claim 20 words
The test transmitter according to claim 1 , wherein further comprising a serial protocol suitable for communication with a computer.
Claim 16
Dependent Claim 25 words
The test transmitter according to claim 1 , wherein said transmitter is a portable unit that has been modified to function as a test transmitter.
Claim 17
Independent Claim 132 words
A method for manufacturing a mobile test transmitter for a mobile telecommunications system, said mobile telecommunications system including base stations transmitting in a downlink frequency band and portable units for receiving and transmitting, said portable units transmitting in an uplink frequency band and each including a portable unit transmitter part and a portable unit receiver part, said portable unit transmitter part including a portable unit microphone, a portable unit channel coding unit, a portable unit interleaving unit, a portable unit modulator unit, a portable unit transmitter unit adapted to transmit information in the uplink frequency band, and a portable unit antenna, said method comprising the step of modifying one of said portable units so that the one of said portable units can transmit information in the frequency band used for downlink signalling.
Claim 18
Independent Claim 132 words
A method for manufacturing a mobile test transmitter for a mobile telecommunications system, said mobile telecommunications system including base stations transmitting in a downlink frequency band and portable units for receiving and transmitting, said portable units transmitting in an uplink frequency band and each including a portable unit transmitter part and a portable unit receiver part, said portable unit transmitter part including a portable unit microphone, a portable unit channel coding unit, a portable unit interleaving unit, a portable unit modulator unit, a portable unit transmitter unit adapted to transmit information in the uplink frequency band, and a portable unit antenna, said method comprising the step of modifying one of said portable units so that the one of said portable units can transmit information in the frequency band used for downlink signalling.
Claim 19
Dependent Claim 31 words
The method according to claim 15 , further comprising the step of modifying the portable unit to transmit at least one of the modulated signal types normally used for downlink signalling.
Claim 20
Dependent Claim 28 words
The method according to claim 15 , further comprising the step of providing the portable unit with a user interface to enable control and supervision of test functions.
Claim 21
Dependent Claim 24 words
The method according to claim 15 , further comprising the step of deactivating or removing the receiver part of one of said portable units.
Claim 22
Dependent Claim 27 words
The method according to claim 15 , further comprising the step of providing the mobile test transmitter with a serial protocol suitable for communication with a computer.
Claim 23
Independent Claim 173 words
A method for manufacturing a mobile test transmitter for a mobile telecommunications system, said mobile telecommunications system including base stations transmitting in a downlink frequency band and portable units for receiving and transmitting, said portable units transmitting in an uplink frequency band and each including a portable unit casing, a portable unit transmitter part and a portable unit receiver part, said portable unit transmitter part including a portable unit microphone, a portable unit channel coding unit, a portable unit interleaving unit, a portable unit modulator unit, a portable unit transmitter unit adapted to transmit information in the uplink frequency band, and a portable unit antenna, said method comprising the steps of: connecting a data generator unit to an input of the portable unit modulator unit of one of the portable units; connecting an output of said portable unit modulator unit to a transmitter unit adapted to transmit information generated by the data generator in the downlink frequency band; and connecting said transmitter unit to the antenna of the one of the portable units.
Claim 24
Independent Claim 173 words
A method for manufacturing a mobile test transmitter for a mobile telecommunications system, said mobile telecommunications system including base stations transmitting in a downlink frequency band and portable units for receiving and transmitting, said portable units transmitting in an uplink frequency band and each including a portable unit casing, a portable unit transmitter part and a portable unit receiver part, said portable unit transmitter part including a portable unit microphone, a portable unit channel coding unit, a portable unit interleaving unit, a portable unit modulator unit, a portable unit transmitter unit adapted to transmit information in the uplink frequency band, and a portable unit antenna, said method comprising the steps of: connecting a data generator unit to an input of the portable unit modulator unit of one of the portable units; connecting an output of said portable unit modulator unit to a transmitter unit adapted to transmit information generated by the data generator in the downlink frequency band; and connecting said transmitter unit to the antenna of the one of the portable units.
Claim 25
Dependent Claim 36 words
The method according to claim 20 , further comprising the step of providing a portable unit channel coding unit and/or a portable unit interleaving unit between the data generator unit and the portable unit modulator unit.
Claim 26
Dependent Claim 39 words
The method according to claim 20 , further comprising the steps of providing a portable unit receiver and modulator unit, a portable unit Viterbi equalizer, a portable unit deciphering and de-interleaving unit and a portable unit Viterbi decoding unit.
Claim 27
Dependent Claim 43 words
The method according to claim 21 , further comprising the steps of providing a receiver and modulator unit adapted to the uplink frequency band, a portable unit Viterbi equalizer, a portable unit deciphering and de-interleaving unit and a portable unit Viterbi decoding unit.
Claim 28
Dependent Claim 27 words
The method according to claim 20 , further comprising the step of assembling the units comprised in the test transmitter in one of said portable unit casing.
Claim 29
Independent Claim 22 words
The method according to claims 20 , further comprising the step of connecting the transmitter unit to a said portable unit antenna.
Claim 30
Dependent Claim 28 words
The method according to claim 20 , further comprising the step of providing the portable unit with a user interface to enable control and supervision of test functions.
Claim 31
Dependent Claim 30 words
The method according to claim 20 , further comprising the step of providing the portable unit with a serial port and a serial protocol suitable for communication with a computer.
Claim 32
Independent Claim 198 words
A method for manufacturing a mobile test transmitter for determining antenna positions in an indoor distributed antenna system of a mobile telecommunications system and for testing an entire antenna configuration of the mobile telephone system in one operation, the mobile telecommunications system including base stations transmitting in a downlink frequency band and portable units for receiving and transmitting, said portable units transmitting in an uplink frequency band and each including a portable unit casing, a portable unit transmitter part and a portable unit receiver part, the portable unit transmitter part including a portable unit microphone, a portable unit channel coding unit, a portable unit interleaving unit, a portable unit modulator unit, a portable unit transmitter unit adapted to transmit information in the uplink frequency band, and a portable unit antenna, the method comprising the steps of: connecting a data generator unit to an input of the portable unit modulator unit of one of the portable units; connecting an output of the portable unit modulator unit to a transmitter unit adapted to transmit information generated by the data generator in the downlink frequency band; and connecting the transmitter unit to the antenna of the one of the portable units.
Claim 33
Independent Claim 198 words
A method for manufacturing a mobile test transmitter for determining antenna positions in an indoor distributed antenna system of a mobile telecommunications system and for testing an entire antenna configuration of the mobile telephone system in one operation, the mobile telecommunications system including base stations transmitting in a downlink frequency band and portable units for receiving and transmitting, said portable units transmitting in an uplink frequency band and each including a portable unit casing, a portable unit transmitter part and a portable unit receiver part, the portable unit transmitter part including a portable unit microphone, a portable unit channel coding unit, a portable unit interleaving unit, a portable unit modulator unit, a portable unit transmitter unit adapted to transmit information in the uplink frequency band, and a portable unit antenna, the method comprising the steps of: connecting a data generator unit to an input of the portable unit modulator unit of one of the portable units; connecting an output of the portable unit modulator unit to a transmitter unit adapted to transmit information generated by the data generator in the downlink frequency band; and connecting the transmitter unit to the antenna of the one of the portable units.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2005-10-14 2006-04-15 2006-10-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2009-10-14 2010-04-15 2010-10-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2013-10-14 2014-04-15 2014-10-15 $7700.00 Window Closed / Lapsed

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