List of Articles Open Access Article Abstract Page Full-Text 1 - Designing Optimal Filter with Hexagonal Structure to Reduce Two-Channel Communication Demultiplexer Crosstalk Phenomenon with Optical Wavelengths Resolution Technology in Structure of Photonic Crystal Open Access Article Abstract Page Full-Text 2 - Optimal Power Allocation in MIMO Channel Open Access Article Abstract Page Full-Text 3 - On the Practical Aspects of Joint Passive Phase Conjugation and Equalization in Underwater Communication Systems Azizollah Jamshidi Samaneh Moezzi Open Access Article Abstract Page Full-Text 4 - A Numerical Sensitivity Analysis of a Waveguide Open Access Article Abstract Page Full-Text 5 - Design and Optimization of an Ultra Wideband LNA-Antenna samaneh matindoost Majid Baghaei-Nejad Ghasem Sadeghi Bajestani Open Access Article Abstract Page Full-Text 6 - Design of optimized Structure resonant defects with enhancement ultra-narrow communication channels in Two-Channel De-multiplexer wavelength photonic Crystal to decrease of Crosstalk