Title	Security Improvement Techniques for mobile applications of Industrial Internet of Things
Author	A.A. Serkov, B.A. Lazurenko, K.A. Trubchaninova, A.E. Horiushkina
Citation	Vol. 20  No. 5  pp. 145-149
Keywords	IIoT Mobile connection Noise immunity Security Ultra-wideband signals Flickering polarization

Title	A Secure Image Steganography using LSB and Double XOR Operations
Author	Ali Ahmed and Abdelmotalib Ahmed
Citation	Vol. 20  No. 5  pp. 139-144
Keywords	Steganography, Cryptography, Least significant bit method, Hybrid security method, PSNR, MSE

Title	Passively Inferring Wireless Network Signal Quality from Different Data Resources
Author	Emad Felemban,
Citation	Vol. 20  No. 5  pp. 132-138
Keywords	Signal Quality, Wireless Cellular Networks, Mobile App, Signal Strength, IoT Infrastructure.

Title	Wireless Indoor localization using fingerprinting and Trilateration
Author	Safae El Abkari, Abdelilah Jilbab and Jamal El Mhamdi,
Citation	Vol. 20  No. 5  pp. 124-131
Keywords	Indoor positioning, Wireless, Wi-Fi, Fingerprinting, Trilateration, RSS.