Hybrid Random Number Generation Architecture for Mobile Registration Controller: A Reconfigurable Hardware Realization
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Hybrid Random Number Generation Architecture for Mobile Registration Controller: A Reconfigurable Hardware Realization Sivaraman Rethinam1 · Sundararaman Rajagopalan1 · John Bosco Balaguru Rayappan1 · Rengarajan Amirtharajan1
© Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Mobile phones have become one of the mostly used gadgets in the world. The number of devices being used has been increasing tremendously and the concern for signal connectivity has been growing everyday. In this work, a mobile phone location registration model has been proposed using a hybrid random number generator (HRNG). Traffic of the cellular devices during the successive location registration with base station can be managed by incorporating a HRNG which produces different delays in different mobile phones. This HRNG was designed using ring oscillator, PLL and cellular automata. The developed HRNG was utilized to create non-overlapping pulses on Cyclone II FPGA EP2C20F484C7 which depict a part of mobile registration controller hardware. The proposed scheme utilized 1616 combinational functions and 1003 registers with a total power dissipation of 69.96 mW. The HRNG was analyzed with restart, entropy and NIST randomness analyses. The capability of mobile registration architecture was analyzed with correlation and random distribution analyses. Keywords HRNG · FPGA · Cellular location registration · Ring oscillator · Cellular automata
* Sundararaman Rajagopalan [email protected] Sivaraman Rethinam [email protected] John Bosco Balaguru Rayappan [email protected] Rengarajan Amirtharajan [email protected] 1
School of Electrical and Electronics Engineering, SASTRA Deemed University, Thanjavur, Tamil Nadu 613 401, India
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1 Introduction The mammoth growth of Mobile phone technology with advanced features is undoubtedly a great invention of this era. A survey says that around 9.1 billion mobile subscriptions will be available at the end of year 2023 [1]. Voice call and Short Message Service (SMS) are the fundamental operations on any mobile phone. With the recent advancement, mobile phones are equipped with tremendous facilities such as touch screens, video calling, face recognition, internet tethering, wireless charging, fingerprint authentication and near field communication (NFC) [2]. Some sophisticated smartphones perform operations as same as minicomputers. In general, mobile phones are two-way wireless communication devices which require both inbound and outbound signals for effective communication which further relays on signal strength. Antenna and cell phone towers are the primitive elements which govern the entire mobile communication activities. Transmission and reception take place by converting electrical signals into radio waves and vice versa through the antenna. Mobile communication strategy employs the mobile phone as a user station and cell phone tower as the base station to accomplish the necessary cellular operations. Hand
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