PILOT-BASED CODEBOOK NON-ORTHOGONAL ARTIFICIAL NOISE SCHEMES FOR PHYSICAL LAYER SECURITY: SECRECY CAPACITY OPTIMIZATION UNDER UNKNOWN EAVESDROPPER CHANNELS

Non-Orthogonal Artificial Noise (NORAN) has garnered significant attention in modern communication systems as a substitute for traditional Artificial Noise (AN), due to its independence from channel degrees of freedom.However, the design of NORAN leads to a reduction in the channel capacity of legitimate channels, thereby limiting its application i

Backlash is a need for proper gear mesh but also a defect if not controlled closely.Few studies have focused on controlling backlash with some mechanical solutions that can be applied.Few other studies have shown interest in estimation of minimum / maximum variable backlash.The operating backlash of meshing gears is affected by many factors among w

In the United States and Canada, there has been an increase in the demand for local specialty cut flowers and a corresponding increase in production.To assess the needs of the industry, we electronically surveyed 1098 cut flower producers and handlers in the United States t4450 samsung and Canada regarding their current cut flower production and po