be the centre frequency of one RF channel in the upper half of the band (MHz); a) for systems with a carrier spacing of 20 MHz: lower half of the band: = 505 + 20 fn f0 n – upper half of the band: = + 25 + 20 f0 n where: = 1, 2, 3, 23; n … b) for systems with a carrier spacing of 10 MHz: lower half of the band: = 505 + 10 fn f0 n – half of the band: = + 25 + 10 f0 n = 1, 2, 3, 47; n … c) for systems with a carrier spacing of 5 MHz: lower half of the band: = 500 + 5 fn f0 n – upper half of the band: = + 30 + 5 f0 n where: = 1, 2, 3, 93. n … The centre frequency is 11 200 MHz. f0 5 RF arrangements for FWSs operating with 20 MHz, 10 MHz and 5 MHz channel spacing in the 10.7-11.7 GHz Annex 4 Radio-frequency channel arrangements for digital fixed wireless systems operating in the band 10 700-11 700 MHz with a channel spacing of 28, 14 and 7 MHz The radio-frequency channel arrangements, referred to in Note 6, for a carrier spacing of 28 MHz, 14 MHz and 7 MHz are shown in Figs 6 and 7 and shall be derived as follows: Let: be the frequency 11 200 MHz of the centre of the band of frequencies occupied f0 (MHz); be the centre frequency of one radio-frequency channel in the lower half of the fn band (MHz); be the centre frequency of one radio-frequency channel in the upper half of the band (MHz).
be the centre frequency of one RF channel in the upper half of the band (MHz); a) for systems with a carrier spacing of 20 MHz: lower half of the band: fn = f0 – 505 + 20 n upper half of the band: = f0 + 25 + 20 n where: n = 1, 2, 3, … 23; b) for systems with a carrier spacing of 10 MHz: lower half of the band: fn = f0 – 505 + 10 n half of the band: = f0 + 25 + 10 n n = 1, 2, 3, … 47; c) for systems with a carrier spacing of 5 MHz: lower half of the band: fn = f0 – 500 + 5 n upper half of the band: = f0 + 30 + 5 n where: n = 1, 2, 3, … 93. The centre frequency f0 is 11 200 MHz. 5 RF arrangements for FWSs operating with 20 MHz, 10 MHz and 5 MHz channel spacing in the 10.7-11.7 GHz Annex 4 Radio-frequency channel arrangements for digital fixed wireless systems operating in the band 10 700-11 700 MHz with a channel spacing of 28, 14 and 7 MHz The radio-frequency channel arrangements, referred to in Note 6, for a carrier spacing of 28 MHz, 14 MHz and 7 MHz are shown in Figs 6 and 7 and shall be derived as follows: Let: f0 be the frequency 11 200 MHz of the centre of the band of frequencies occupied (MHz); fn be the centre frequency of one radio-frequency channel in the lower half of the band (MHz); be the centre frequency of one radio-frequency channel in the upper half of the band (MHz).
R-REC-F.387-12-201203-I!!MSW-E.docx