NHK has been studying a multi-level coded modulation scheme for expanding satellite transmission capacity. It can bring out the transmission performance of multi ...

As a next-generation optical archive storage device for 8K video, we have been researching and developing holographic memory. Recent studies have focused on multi-level code instead of binary code to ...

Spatial modulation (SM) and multiple‐input multiple‐output (MIMO) systems represent a significant advance in wireless communication technology. By utilising the spatial dimension, SM encodes part of ...

Directional modulation (DM) has emerged as a highly promising physical layer security technique that embeds confidential information into the spatial characteristics of the transmitted signal. By ...

Flexible audio amplifier matches all PWM modulation schemes, and eliminates the need for external control of power-supply turn-off sequence STMicroelectronics a world leader in the design and ...