How many RB is LTE?

Resource Element(RE) : The smallest unit made up of 1 symbol x 1 subcarrier. RB (Resource Block) : I think everybody would know what this is. This is a unit of 84 resource elements which is 12 subcarrier by 7 symbols (This is with normal Cylic Prefix which is used in most of the LTE deployment.

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What is a carrier bandwidth?

According to 38.211 4.4. 5, A carrier bandwidth part is defined as follows : Carrier Bandwidth Part is a contiguous set of physical resource blocks,selected from a contiguous subset of the common resource blocks for a given numerology(u) on a given carrier .

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What is CRB 5G?

CRB refer to common resource block , i.e. BW of 5G divided into multiple CRB used for BWP. PRB refer to block assigned to user by scheduler. In 5G we have VRB to PRB mapping which depends on Downlink resource allocation type, it can be interleaved or non inter leaved.

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