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Sniffer for Detecting Lost Mobiles

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Sniffer for Detecting Lost Mobiles

Postby Prasanth » Tue Jan 10, 2012 6:18 pm

The main scope of this paper is to detect the lost mobiles. Each and every day thousands of mobiles get misplaced or lost, though effective way for the blocking of the lost mobile to prevent unauthorized person from making and receiving the calls has been done by the manufacturers of the mobile with the help of International Mobile Equipment Identifier (IMEI) has been done but however there has been no development or very little progress for the detection of the misplaced mobile phone. For the detection of lost mobile SNIFFER plays a vital role .The sniffer device has to be designed precisely and size should be reduced for easy mobility for the purpose of detection .The device can be called as a mobile Base station that includes Sniffer Base station, Unidirectional antenna , Tracking software. The sniffer is a small base station that includes transceiver section. It should operate at a frequency which is much different from the frequency of the current cell in which the operation of detection is being carried out. The directional antenna is an important device that is to be designed and used as it plays a major role.


The GSM MoU’s IMEI(International Mobile Equipment Identity)numbering system is a 15 digit unique code that is used to identify the GSM/DCS/PCS phone. When a phone is switched on, this unique IMEI number is transmitted and checked against a data base of black listed or grey listed phones in the network’s EIR (Equipment ID Register). This EIR determines whether the phone can log on tithe network to make and receive calls. To know the IMEI number the *#06# has to be pressed, the number will be displayed in the LCD screen; it is unique to a mobile phone. If the EIR and IMEI number match, the networks can do a number of things. For example grey list or blacklist a phone: 1. Grey listing will allow the phone to be used, but it can be tracked to see who has it (via the SIM information). 2. Black listing the phone from being used on any network where there is an EIR match.

DESIGNING FOR THE SNIFFER

As stated this proposal is about the detection of lost mobile phone and for this purpose we are designing a new device called the Sniffer. The sniffer device has to be designed precisely and size should be reduced for easy mobility for the purpose of detection. The device can be called as a mobile base station that includes the following important
components:
1. Sniffer base station
2 .Unidirectional antenna
3 .Tracking software

SNIFFER BASE STATION:

The sniffer is a small base station, it includes transceiver section. It should operate at a frequency that is much different from the frequency of the current cell in which the operation of detection is being carried out. Some of the main important things are the frequency that has to be generated by the transceiver section is around 900MHz range which is a VHF range and it is necessarily to design the oscillator circuit for that frequency range .Another important is the cooling that has to be provided to the circuit while designing the circuit that is to be operated at 900MHz range of frequency. Hence proper design of base station is an important thing in the design of the sniffer. Mobile phones as well as the base station has low power transmitter is also transmitting at low power. The transmitter of the sniffer has to be a low power transmitter. This helps in the process of reducing the interference of the device with the devices that are in the other cells.
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Prasanth
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Re: Sniffer for Detecting Lost Mobiles

Postby madhurik » Mon Jan 16, 2012 11:12 am

Prasanth wrote:
The main scope of this paper is to detect the lost mobiles. Each and every day thousands of mobiles get misplaced or lost, though effective way for the blocking of the lost mobile to prevent unauthorized person from making and receiving the calls has been done by the manufacturers of the mobile with the help of International Mobile Equipment Identifier (IMEI) has been done but however there has been no development or very little progress for the detection of the misplaced mobile phone. For the detection of lost mobile SNIFFER plays a vital role .The sniffer device has to be designed precisely and size should be reduced for easy mobility for the purpose of detection .The device can be called as a mobile Base station that includes Sniffer Base station, Unidirectional antenna , Tracking software. The sniffer is a small base station that includes transceiver section. It should operate at a frequency which is much different from the frequency of the current cell in which the operation of detection is being carried out. The directional antenna is an important device that is to be designed and used as it plays a major role.


The GSM MoU’s IMEI(International Mobile Equipment Identity)numbering system is a 15 digit unique code that is used to identify the GSM/DCS/PCS phone. When a phone is switched on, this unique IMEI number is transmitted and checked against a data base of black listed or grey listed phones in the network’s EIR (Equipment ID Register). This EIR determines whether the phone can log on tithe network to make and receive calls. To know the IMEI number the *#06# has to be pressed, the number will be displayed in the LCD screen; it is unique to a mobile phone. If the EIR and IMEI number match, the networks can do a number of things. For example grey list or blacklist a phone: 1. Grey listing will allow the phone to be used, but it can be tracked to see who has it (via the SIM information). 2. Black listing the phone from being used on any network where there is an EIR match.

DESIGNING FOR THE SNIFFER

As stated this proposal is about the detection of lost mobile phone and for this purpose we are designing a new device called the Sniffer. The sniffer device has to be designed precisely and size should be reduced for easy mobility for the purpose of detection. The device can be called as a mobile base station that includes the following important
components:
1. Sniffer base station
2 .Unidirectional antenna
3 .Tracking software

SNIFFER BASE STATION:

The sniffer is a small base station, it includes transceiver section. It should operate at a frequency that is much different from the frequency of the current cell in which the operation of detection is being carried out. Some of the main important things are the frequency that has to be generated by the transceiver section is around 900MHz range which is a VHF range and it is necessarily to design the oscillator circuit for that frequency range .Another important is the cooling that has to be provided to the circuit while designing the circuit that is to be operated at 900MHz range of frequency. Hence proper design of base station is an important thing in the design of the sniffer. Mobile phones as well as the base station has low power transmitter is also transmitting at low power. The transmitter of the sniffer has to be a low power transmitter. This helps in the process of reducing the interference of the device with the devices that are in the other cells.
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Re: Sniffer for Detecting Lost Mobiles

Postby kovvurilavanya » Mon Jan 16, 2012 1:08 pm

please forward ppt sniffer for detecting lost mobiles
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Re: Sniffer for Detecting Lost Mobiles

Postby mythily » Sat Feb 11, 2012 6:17 pm

can u send ppt and report to my email plz
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Re: Sniffer for Detecting Lost Mobiles

Postby praneet426 » Mon Feb 13, 2012 11:40 am

Its nice and Intresting topic..... :)
If possible can you please mail me the ppt to praneet27@gmail.com
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Re: Sniffer for Detecting Lost Mobiles

Postby shalini.R » Wed Feb 15, 2012 12:42 pm

D topic is really very interesting could u plz send d report nd ppt 2 ma email d shalu.sonu3@yahoo.com :)
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Re: Sniffer for Detecting Lost Mobiles

Postby sangeetha padesur » Wed Feb 15, 2012 3:13 pm

this is a nice topic.are there any ieee papers on this topic,if so pls send me the ieee paper along with report and ppt
to sangeethapadesur@gmail.com.Please help me!!
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Re: Sniffer for Detecting Lost Mobiles

Postby shalini.R » Thu Feb 16, 2012 8:56 am

sir plz send me d ppt fa dis topic.shalu.sonu3@yahoo.com
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Re: Sniffer for Detecting Lost Mobiles

Postby radhika » Sat Feb 18, 2012 1:11 pm

can u send ppt and report to my email plz :D
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Re: Sniffer for Detecting Lost Mobiles

Postby sravanthi megha » Wed Feb 22, 2012 12:36 pm

can u send ppt and report to my email plz
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