Title	A Prototype Design and Experiment of Time Division Duplex (TDD) Underwater Small Area Acoustic Network (USAAN) System
Author	Taisaku Suzuki, Atsushi Kinjo, Suguru Kuniyoshi, Rie Saotome, Tomohisa Wada
Citation	Vol. 17  No. 10  pp. 95-102
Keywords	SC-FDMA, OFDM, TDD, Underwater Network, Digital Communication

Title	Practical LDPC Coding System Design ? An Overview
Author	Waheed Ullah and Nisar Ahmad Abbasi
Citation	Vol. 20  No. 12  pp. 159-166
Keywords	QC LDPC, Sum Product Algorithm, Digital Communication, Error Correction Coding, LDPC Codes.

Title	Communication with Video Games as a Process of Semiosis
Author	Mariia Maletska, Ivan Ostashchuk, Svitlana Khrypko, Нanna Salo, Halyna Petryshyn, Olena Lobanchuk
Citation	Vol. 22  No. 10  pp. 37-42
Keywords	Video games, post-information society, semiotics, digital communication.