(4)
\({{\mathbf{\text{Average}}\mathbf{\ }\mathbf{\text{RSS}}}_{\mathbf{\text{outdoor}}}}_{\mathbf{\ }}\mathbf{=\ }\frac{\sum_{\mathbf{k}\mathbf{=}\mathbf{1}}^{\mathbf{n}}{\mathbf{\text{RSS}}_{\mathbf{\text{outdoor}}}}_{\mathbf{k}}}{\mathbf{n}}\)(5)
Alternatively using Matlab script;
\({\mathbf{\text{Average}}\mathbf{\ }\mathbf{\text{RSS}}}_{\mathbf{\text{outdoor}}}\mathbf{=}\frac{\mathbf{\text{Sum}}\mathbf{(}{\mathbf{\ }\mathbf{\text{RSS}}}_{\mathbf{\text{outdoor}}}\mathbf{)}}{\mathbf{\text{Length}}\mathbf{(}\mathbf{\text{RSS}}_{\mathbf{\text{outdoor}}}\mathbf{)}}\)