Transmission bandwidth configuration: Number of RBs for given BW




Transmission bandwidth configuration NRB in E-UTRA channel bandwidths

Channel bandwidth BWChannel [MHz]
1.4
3
5
10
15
20
Transmission bandwidth configuration NRB
6
15
25
50
75
100

Channel Bandwidth in LTE



The MIB in LTE tell the UE the prevalent Channel Bandwith in number of resource blocks


value of dl-bandwidth as in MIB corresponds to :


6 = 1.4 MHz
15 = 3 MHz
25 = 5 MHz
50 = 10 MHz
75 = 15MHz
100 = 20 MHz






Definition of channel bandwidth and transmission bandwidth configuration for one E‑UTRA carrier


source 3GPP TS 36.101