Method of detecting a loss of service availability, in particular a jamming transmitter and/or an out of service situation, affecting a communication user equipment, user equipment and evaluation unit with interfaces to the user equipment
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United States of America Patent
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Nov 24, 2015
Grant Date -
Aug 22, 2013
app pub date -
Nov 16, 2011
filing date -
Nov 16, 2010
priority date (Note) -
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Abstract
The invention relates to a method of detecting a jamming transmitter affecting a communication user equipment, wherein said communication user equipment (UE) and a number of base node stations (BNS) are components of a cellular code division multiple access (CDMA) based radio network (RN), wherein a communication signal unit (SU) is correlated with a pseudonoise spread code (SC) in a serving cell coverage area (CA) of a serving base node station (sBNS) and transmitted as a pseudonoise chip (CHI) in a multiple shared communication frequency channel spectrally located between an upper frequency and a lower frequency of a communication frequency band (FB I-XIX) and the pseudonoise spread code (SC) is received by the communication user equipment (UE) as a serving pseudonoise spread code (sSC) from said serving base node station (BNS) in a serving downlink channel (sCPICH).
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