| 摘要 |
PURPOSE: An LED illumination communication system capable of multiple-access control is provided to offer a communication channel and code distribution method enabling multiple-access in a communication environment that transmits data with light from an LED illuminator. CONSTITUTION: A controller confirms information applied through a light detector. The controller performs over sampling through a code synchronizer. The controller finds out a peak value by comparing sampling patterns. The controller performs synchronization based on the position of the peak value. The controller acquires binary data by despeading information received through an on/off keying (OOK) modulator. The controls confirms the despread binary data. |
