A study on multiple-beams and multiple-detectors for PPM/CDMA based diffuse indoor infrared wireless communication system

摘要

Code division multiple access (CDMA) scheme is a current subject of great interest as a multiple access scheme for indoor infrared wireless communication system. In this paper, we discuss the performance of CDMA based diffuse indoor infrared wireless communication system and propose the multiple-beams transmitter and the multiple-detectors receiver. Numerical results conclude that the improvement in various performance of PPM/CDMA based system are achieved by using the proposed system.