AN OPTIMIZED GAUSSIAN BEAM FOR MULTICELL INDOOR OPTICAL WIRELESS COMMUNICATIONS

作者：Wu Dehao^*; Ghassemlooy Zabih; Zhong Wen de; Chen Chen

来源：Microwave and Optical Technology Letters, 2015, 57(5): 1049-1052.

DOI：10.1002/mop.29015

• indoor optical wireless communications
• optimized Gaussian beam
• RMS delay spread and transmission data rate

The characteristics of a multipath indoor optical wireless channel can be estimated by two parameters: optical channel path loss (OCPL) and the root mean square (RMS) delay spread. In this letter, an optimized Gaussian beam (OGB) is proposed for a cellular indoor optical wireless communications (CI-OWC) system. The expression for OGB with an optimized beam waist radius for OGB is derived. OCPL and the RMS delay spread (D-rms) for four different configurations are simulated and analyzed. Results show that, for a CI-OWC system, a minimum OCPL can be achieved by using the OGB and the maximum transmission data rate can be significantly extended by increasing the number of cells.

• 出版日期2015-5
• 单位南阳理工学院