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5G cm wave vs mm wave-Difference between cm wave and mm wave

This page compares 5G cm wave vs mm wave and describes difference between cm wave and mm wave 5G technologies. The useful links to difference between various terms are provided here.

Following table mentions comparison between 5G variants viz. sub 6GHz, cm wave (centimeter wave) and mm wave (millimeter wave). The cm wave is known by this name due to its wavelength in cm range while mm wave as it has wavelength in mm range.


Features 5G sub 6GHz 5G cm wave 5G mm wave
Frequency spectrum 0.5 to 10 GHz 3 to 30 GHz 30 to 100 GHz
Bandwidth approx. 5 to 40 MHz approx. 40 to 200 MHz approx. 400 to 2 GHz
Duplex topology FDD/TDD Dynamic TDD Dynamic TDD
Transmit power(DL/UL) >40dBm/ 23 dBm <approx. 30dBm/23 dBm <approx. 30dBm/23 dBm
Modulated waveform (DL/UL) OFDMA/SC-FDMA OFDMA/OFDMA SC-TDMA/SC-TDMA
Multiple Access Type Time and Frequency Time and Frequency Time
Multi Antenna technique SU/MU
Beamforming and Medium Rank
SU/MU
Beamforming and High Rank
SU/MU
Beamforming and Low Rank
TTI (Transmission Time Interval) Flexible Approx. 0.25 ms Approx. 0.1 ms

Reference: 5G Research at Nokia Networks

5G TECHNOLOGY RELATED LINKS

Following are the useful links on 5G technology:
5G tutorial
5G millimeter wave
Difference between 4G and 5G
5G testing and test equipments
5G network architecture
5G channel sounding

What is Difference between

difference between mm wave and microwave
difference between FDM and OFDM
Difference between SC-FDMA and OFDM
Difference between SISO and MIMO
Difference between TDD and FDD
Difference between 802.11 standards viz.11-a,11-b,11-g and 11-n
OFDM vs OFDMA
CDMA vs GSM
Bluetooth vs zigbee
Fixed wimax vs mobile

RF and Wireless Terminologies


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