室内白光LED照明通信的现状与展望

白光LED具有电光转换效率高、节能、可靠、使用寿命长、高速调制特性,是公认的下一代绿色照明产品。室内白光LED照明通信是将LED照明技术和光通信技术相结合产生的一种新技术,这种通信的距离从数米到数十米,具有安全节能、通信容量大等显著特点,作为一个全新的无线通信手段,已经引起国内外越来越多的关注,是今后无线通信的一个重要方向。介绍了国内、外室内白光LED照明通信发展现状,分析了应解决的关键技术,并预测了室内白光LED照明通信的发展趋势。

Challenges and Prospects of Indoor Visible Light Communication by High Power White LED

White LED has advantages of higher electro-optical conversion efficiency,saving energy,more reliable,longer life,and higher speed modulation,hence it is widely recognized as the next generation of green products for illumination.Indoor visible light communication is a new technology which combines the communication technology with the illumination technology using white LEDs.Such a kind of wireless communications can transmit data from a few meters to tens of meters away,which has notable characteristics of saving energy,safe and large capacity.As a new wireless communication means,it has attracted more and more scholars home and abroad to pay attention to,and has become an important future direction of optical wireless communications.The paper introduces its development home and abroad,and analyzes the key technologies to tackle.Finally it predicts the trends of indoor visible light communication with white LED.