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What is LTE Cat 18?

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- everything RF

Feb 18, 2019

LTE Cat 18 is a new technology introduced by 3GPP as part of the LTE Advanced protocol, that supports up to 8 spatial streams, 4x4 MIMO on 3 LTE carriers, 5x20 MHz carrier aggregation, and 64/256 QAM. LTE Cat 18 provides a faster and better broadband experience with speeds up to 1200 Mbit/s downlink and 211 Mbit/s uplink. It is compliant with 3GPP Release 13.

Key Specifications of LTE Cat 18 UEs

Parameter

Specification

3GPP Release

Release-12

Downlink Peak Data Rate

1 Mbit/s

Uplink Peak Data Rate

1 Mbit/s 

Maximum system Bandwidth

20 MHz

Device Transmit Power

23 dBm

Transmission Mode

Half Duplex

Number of antenna(s)

1 

Power saving mode

Supported

Number of Downlink MIMO Layers

1

 Note: 

  • DL-SCH stands for Downlink shared channel,
  • UL-SCH stands for Uplink shared channel,
  • TTI stands for Transmission Time Interval,
  • PDCP stands for Packet Data Convergence Protocol,
  • SDU stands for Service Data Unit.

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