6G Network Architecture Using FSO-PDM/PV-OCDMA System with Weather Performance Analysis

This paper presents a novel 160 Gbps free space optics (FSO) communication system for 6G applications. Polarization division multiplexing (PDM) is integrated with an optical code multiple access (OCDMA) technique to form PDM-OCDMA hybrid. There are two polarization states: one X-polarization generated from adjusting the azimuthal angle of light source at 0° while other Y-polarization which by 90°. Each state used transmission four independent users. channel assigned permutation vector (PV) codes and carries 20 data. Four different weather conditions considered evaluating performance our proposed model. These clear air (CA), foggy (low fog (LF), medium (MF), heavy (HF)), dust storms storm (LD), moderate (MD), (HD)), snowfall (wet snow (WS) dry (DS)). Bit error rate (BER), Q-factors, maximum propagation range, capacity, eye diagrams Simulation results assure successful overall capacity eight channels. The longest FSO range 7 km occurred under CA minimum achieved HD, 0.112 due large attenuation caused HD. Within conditions, distances 1.525 in LF, 1.05 MF, 0.85 HF. Likewise, WS DS, can support 1.15 0.28 km, respectively. All these BER less than 10?5.