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LTE User Equipment Categories

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LTE supports five categories of terminals. The details of the terminal types in uplink and downlink are detailed below:

LTE UE Category: Downlink Physical Layer Parameters

UE Category Maximum number of DL-SCH transport block bits received within a TTI Maximum number of bits of a DL-SCH transport block received within a TTI Total number of soft channel bits Maximum number of supported layers for spatial multiplexing in Downlink Maximum bit rate in Downlink (Mbps)
Category 1 10296 10296 250368 1 10
Category 2 51024 51024 1237248 2 50
Category 3 102048 75376 1237248 2 75
Category 4 150752 75376 1827072 2 75
Category 5 299552 149776 3667200 4 150

LTE UE Category: Downlink Physical Layer Parameters

UE Category Maximum number of bits of an UL-SCH transport block transmitted within a TTI Support for 64QAM in Uplink Maximum bit rate in Uplink (Mbps)
Category 1 5160 No 5
Category 2 25456 No 25
Category 3 51024 No 50
Category 4 51024 No 50
Category 5 75376 Yes 75

Refer to 3GPP 36.306 for other UE attributes.

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