Development of GSM &amp;#x2014; 900 Mobile Jammer: An approach to overcome existing limitation of jammer

Mishra, Nipun K.

doi:10.1109/wcsn.2009.5434792

Cited by 15 publications

(8 citation statements)

References 1 publication

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“…Most common amongst all is the use of jammers. A jammer works by transmitting a noise signal at the same frequency as that at which the mobile devices operate [7]. This method gives the keeper of the controlled area the flexibility to disrupt all communications provided by any MNO whenever they need to.…”

Section: Related Methodsmentioning

confidence: 99%

“…Of course, this completely disrupts all communication to and from the device, which means that no one can make or receive calls or use any other services even in an emergency situation. Additionally, in order to cover all the wireless mobile services such as GSM 900, GSM 1800, and 3G (UMTS) from all MNOs, the jammer needs to operate at all the related frequencies [7]. Moreover, because the base station's signal power in the desired area of control varies over time and is not precisely known most of the time, the jammer must be set to output a great deal of power to be certain to overpower the base station's signal.…”

Section: Related Methodsmentioning

confidence: 99%

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Selective Mobile Communication in Socially Sensitive Environments

Behairy

Alrobian

Alghammas

et al. 2014

Wireless Pers Commun

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In certain environments, the use of mobile phones must be curtailed for the sake of security or out of respect for others. We present a novel method for selectively controlling mobile phone services in such areas using a base station controller and a sequence of detection steps to identify when the mobile device is within the coverage area. A prototype for the method has been developed using commercial off-the-shelf and custom designed hardware and software subsystems. Key components in the prototype system are two directional antennas located at the entry to the controlled area with one antenna facing outwards and the other inwards. By using the proposed detection method, the base station controller is able to detect when a mobile station enters or leaves the controlled area. Experiments using a variety of detection sequences by the two directional antennas and associated white-and blacklists of allowable and disallowed devices, respectively, confirm that the prototype system is able to effectively control the use of mobile devices within the coverage area.

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Section: Related Methodsmentioning

confidence: 99%

Section: Related Methodsmentioning

confidence: 99%

Selective Mobile Communication in Socially Sensitive Environments

Behairy

Alrobian

Alghammas

et al. 2014

Wireless Pers Commun

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“…Thus, there is a need of deploying a cellular suppression system in order to provide an isolation area [1]. There are various techniques that can be used to attenuate the cellular signals including the employment of mobile phone jammer [2]. Nonetheless, this technique is not environment friendly and less efficient as it requires power supply to operate.…”

Section: Introductionmentioning

confidence: 99%

Characterisation of Copper Nanoparticle Ink Printed FSS for Cellular Signals Suppression

Seman¹,

Khalid²,

Said³

2016

PIER Letters

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Abstract-This paper proposes a copper nanoparticle ink printed frequency selective surface (FSS) for cellular signals suppression. The FSS pattern is deposited on a polyimide film by using an inkjet printing technique. The printed FSS elements undergo the post-processing called sintering, where the optimum exposure duration and temperature are determined in order to form a conductive path across the metal pattern. Later, the conductivity of the printed FSS structure deposited on polyimide film is observed. The signal suppression ability of the printed FSS is conducted using the Computer Simulation Technology (CST) Microwave Studio software.

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“…However, most of the situations do not allow to get this support, especially in mobile scenarios where the inhibition area is moving such as in the case of dignitary's vehicles. In GSM, a simple transmission of additive white Gaussian noise (AWGN) in the whole band is enough to efficiently interfere the signal since it is a narrow-band technology [6,7]. Unfortunately, the same technique is neither *Correspondence: vgil@tsc.uc3m.es Signal Theory and Communications, University Carlos III de Madrid, Madrid, Spain effective (it does not always work) nor efficient (it needs a lot of energy) [8] for a wide-band system such as UMTS because the bandwidth of UMTS is 5 MHz, so the bandwidth of the noise must be at least 5 MHz.…”

Section: Introductionmentioning

confidence: 99%

Novel orthogonal multi-sequences for an efficient jamming on the UMTS signal

Jiménez

Armada

Gallego

et al. 2016

J Wireless Com Network

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In this paper, a novel and efficient scheme for jamming the Universal Mobile Telecommunications System (UMTS) signal without the assistance from the base station or operator is proposed and evaluated. The scheme is based on new orthogonal multi-sequences developed in this paper. These sequences are specially designed to interfere all the Orthogonal Variable Spread Factor (OVSF) codes that are used in the UMTS transmission and thus, any signal spread by these multi-sequences will interfere all the transmitted data channels at the same time. A power gain of about 7 dB is obtained with respect to the traditional jamming method based on high power wide-band noise injection can be obtained when no channel is used and 10.4 dB in a more realistic scenario with multipath Rayleigh channel.

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Development of GSM — 900 Mobile Jammer: An approach to overcome existing limitation of jammer

Cited by 15 publications

References 1 publication

Selective Mobile Communication in Socially Sensitive Environments

Selective Mobile Communication in Socially Sensitive Environments

Characterisation of Copper Nanoparticle Ink Printed FSS for Cellular Signals Suppression

Novel orthogonal multi-sequences for an efficient jamming on the UMTS signal

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