TABLE 2 Pattern choices Average Constant Peak pattern Mask equation pattern added to Range of 1st break point Possible beyond pattern break point the peak Proposed side-lobe where mask antenna point where mask where mask pattern to mask floor level below Directivity pattern varies from F(μ) distribution varies from varies from convert it level peak theoretical type choice theoretical pattern theoretical to average (dB) (dB) pattern (dB) pattern mask (dB) (dB) (dB) to −13.2 Uniform −5.75 −12.16 −3.72 −40 dB −19 to −20 COS −14.4 −20.6 −4.32 −50 dB −30 to −31 COS2 −22.3 −29.0 −4.6 −60 dB −38 dB −39 COS3 −31.5 −37.6 −4.2 −70 or more
TABLE 2 Pattern choices Range of 1st side-lobe level below peak (dB) Possible antenna distribution type choice Directivity pattern F(μ) Mask equation beyond pattern point where mask varies from theoretical pattern (dB) Peak pattern break point where mask varies from theoretical pattern (dB) Average pattern break point where mask varies from theoretical pattern (dB) Constant added to the peak pattern to convert it to average mask (dB) Proposed mask floor level (dB) −13.2 to −19 dB Uniform −5.75 −12.16 −3.72 −40 −20 to −30 dB COS −14.4 −20.6 −4.32 −50 −31 to −38 dB COS2 −22.3 −29.0 −4.6 −60 −39 dB or more COS3 −31.5 −37.6 −4.2 −70
R-REC-M.1849-1-201509-I!!MSW-E.docx