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5G NR Zadoff-chu sequence | Zadoff-chu sequence Generator MATLAB

This page covers 5G NR Zadoff-chu sequence. It mentions simulation of Zadoff-chu sequence generator in MATLAB and use of Zadoff-chu sequence in 5G NR technology.

Introduction: There are three sequences used in 5G NR wireless system viz. Zadoff chu sequence, gold sequence and m-sequence. Gold sequence is used in CP-OFDM, Zadoff-chu sequence is used in DFT-s-OFDM (for SSS) and m-sequence is used in PSS.

Zadoff-chu sequence use in 5G NR

• Zadoff-Chu sequences are used to generate NR random-access preambles (PRACH).
• It has following unique properties for which it is used.
-constant amplitude before DFT and after DFT
-zero cyclic auto-correlation
-low cross-correlation
• For PUSCH channel with DFT-S-OFDM physical layer, there is low PAPR Zadoff-Chu mode.

Following pdf mentions snapshot of sequence generation for random access channel as defined in TS 38.211 section 6.3.3. Refer LTE PSS and SSS >> and Zadoff-chu sequence basics >> for more information.




Zadoff-chu sequence Generator in MATLAB

Refer following links on mathworks website related to zadoff chu sequence generation.
• SRS-Sounding Reference Signal >>
• LTS PSS and SSS >>
• LTE zadoff chu sequence >>

Also refer 5G NR Gold Sequence and m-sequence for more information.


5G NR Numerology | 5G NR Terminology


5G NR Control channels | 5G NR Traffic Channels | 5G NR Reference Signals and sequences


5G TECHNOLOGY RELATED LINKS

This 5G tutorial also covers following sub topics on the 5G technology:
5G basic tutorial
5G Frequency Bands
5G millimeter wave tutorial
5G mm wave frame
5G millimeter wave channel sounding
Difference between 4G and 5G
5G testing and test equipments
5G network architecture
5G NR Physical layer
5G NR MAC layer
5G NR RLC layer
5G NR PDCP layer

What is Difference between

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
wibro vs mobile wimax
Microcontroller vs microprocessor

RF and Wireless Terminologies


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