A New Method of GSM Systems Jamming Based on Connection Quality Impairment

Mileusnic, Mladen; Petrović, Predrag; Pavić, Branislav; Marinkovic-Ncdelicki, Verica B.; Matić, Vladimir; Lebl, Aleksandar

doi:10.1109/telfor.2018.8612015

Cited by 2 publications

(2 citation statements)

References 2 publications

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“…This important conclusion was not possible on the base of the results from [19]. The emphasized result is also implemented in the example in [15], where it is supposed that it is SJR=0.5 when jamming of GSM mobile systems is analyzed. The presented graphs in Fig.…”

Section: The Simulation Programmentioning

confidence: 99%

“…Among these parameters, the authors haven't found the contribution dealing with the exact calculation of Successful Jamming Rate (SJR) (or, in other words, Bit Error Rate (BER)) for sweep jamming of MPSK modulated RCIED activation message signals. In the contribution [15] it was introduced the variable jamming rate (JR) as the relation of time interval when jamming signal generation to the total elapsed time. Here SJR is defined in the sense of BER [1] to better define this variable according to its real application.…”

Section: Introductionmentioning

confidence: 99%

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Successful Sweep Jamming Rate Determination of MPSK Modulated RCIED Activation Message Signals

Lebl¹,

Mileusnic²,

Petrović³

et al. 2020

IJEEC

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This paper presents the development of the method for accurate successful jamming rate calculation when MPSK modulated RCIED activation message is jammed using sweep signal. Opposite to classical methods of error modelling where it is taken that only one bit in a symbol may be altered, it is supposed in this paper that any number of bits in a symbol is the subject of eventual modification. The derived formulas are achieved for QPSK, 8PSK and 16PSK modulated signals jamming. The results calculated by these formulas are verified and obtained by our originally developed simulation method. The results of calculation and simulation agree very well and the maximum difference between calculated and simulated successful jamming rate for any of three analyzed jamming methods and any level ratio between activation message signal and jamming signal does not overcome 1.1%. It is proved that successful jamming rate tends to maximum value 0.5 when jamming signal power increases and that only 20% lower successful jamming rate value is obtained for less than 7dB higher jamming signal level than it is the level of RCIED activation signal. These results point out that it is not necessary to apply too high emission power to achieve acceptable jamming effect. As a consequence, jammer practical implementation is easier and its dimensions are smaller.

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Section: The Simulation Programmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Successful Sweep Jamming Rate Determination of MPSK Modulated RCIED Activation Message Signals

Lebl¹,

Mileusnic²,

Petrović³

et al. 2020

IJEEC

View full text Add to dashboard Cite

show abstract

An investigation of a new GSM systems jamming technique without existing connections disruption

Mileusnić¹,

Petrović²,

Pavić³

et al. 2019

Telfor J

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This paper presents a new method for jamming of GSM communications. The aim is to decrease voice connection quality, thus disabling users to understand each other, while keeping established connections. The jamming method parameters depend on the algorithm characteristics implemented in SACCH frame. It is proved for three mobile telephony codecs that it is possible to reach unsatisfactory voice connection quality MOS<2 due to jamming of a GSM communications channel. Errors in data transmission during the periods without jamming also cause voice connection quality impairment and this influence is analyzed. The method performances are compared to other solutions.

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A New Method of GSM Systems Jamming Based on Connection Quality Impairment

Cited by 2 publications

References 2 publications

Successful Sweep Jamming Rate Determination of MPSK Modulated RCIED Activation Message Signals

Successful Sweep Jamming Rate Determination of MPSK Modulated RCIED Activation Message Signals

An investigation of a new GSM systems jamming technique without existing connections disruption

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