LTE vs 5G TF vs 5G NR | Difference between LTE 5GTF 5GNR
This page compares LTE vs 5G TF vs 5G NR and mentions difference between LTE, 5GTF and 5GNR technologies.
| Specifications | LTE | 5G TF | 5G NR |
|---|---|---|---|
| Full Form | Long Term Evolution | Verizon's 5G Technical Forum | 3GPP 5G New Radio |
| Radio Frame Duration | 10 ms | 10 ms | 10 ms |
| Number of subframes in a frame | 10 | 50 | 10 |
| Number of slots in a frame | 20 (each of 1ms duration) | 100 (each of 0.1ms duration) | 20 (each of 1ms duration) |
| Number of RBs (Resource Blocks) | 100 (maximum) | 100 (maximum) | 100 or more |
| Carrier Aggregation (Maximum CCs) | 5 (Rel. 10) 32 (Rel. 12) |
8 | 16 |
| Subcarrier Spacing | 15 KHz | 75 KHz | Flexible: 2n*15 KHz (Where, n = -2,0,1,....,5) 15 KHz, 30 KHz, 60 KHz, 120 KHz, 240 KHz, (480 KHz) |
| Carrier Bandwidth | 1.4/3/5/10/15/20 MHz (For 20 MHz, using carrier aggregation, BW upto 100 MHz can be used) | 100 MHz | Variable, maximum per CC is 400 MHz (From 100 to 200 MHz for less than 6 GHz band, From 100 MHz to 1 GHz for greater than 6 GHz band) |
| Frequency Bands | Under 6 GHz | 28 GHz | upto 100 GHz |
| Beamforming | Applicable to certain transmission modes | with DL/UL reciprocity | with and without DL/UL reciprocity |
| Modulation | Upto 256-QAM | QPSK, 16-QAM, 64-QAM | QPSK, 16-QAM, 64-QAM and 256-QAM |
| MIMO | Upto 8X8 | 2x2 Only | Upto 8X8 |
| Channel Coding Scheme | Turbo coding for data | LDPC for data | NR Polar codes (Control); NR LDPC (Data) |
Difference between LTE and 5G NR
Following table-2 mentions difference between LTE and 5G NR with respect to physical layer and different channels used in these standards.
| Features | LTE | 5G NR |
|---|---|---|
| Physical layer waveforms | Downlink: CP-OFDM, Uplink: DFT-S-OFDM | Downlink: CP-OFDM, Uplink: CP-OFDM or DFT-S-OFDM |
| Symbol duration | 32.552 ns for subcarrier spacing of 15 KHz and NFFT of 2048 | 0.509 ns for subcarrier spacing of 480 KHz and NFFT of 4096 |
| Subcarrier spacing | Fixed, 15 KHz | Variable, 15/30/60/120/240/480 KHz |
| FFT Size | 2048 | 4096 (<=240 KHz SCS), 8192 for 480 KHz SCS |
| Number of slots per subframe | Fixed | Variable, Depends on subcarrier spacing |
| CP (Cyclic Prefix) type | Normal CP, Extended CP | • Normal CP for all subcarrier spacing (SCS) • Extended CP is supported for 60 KHz SCS |
| Max. number of data subcarriers | 1200 | 3300 |
| Number of symbols per slot | 7 symbols for normal CP, 6 symbols for extended CP | • 14 symbols for normal CP, 12 symbols for extended CP • 2, 4 and 7 symbols for mini-slots |
| UL/DL ratio change | ||
| Synchronization signals | • The PSS is constructed from a frequency-domain ZC sequence of length 63. • Each SSS sequence is constructed by interleaving, in the frequency-domain, two length-31 BPSK-modulated secondary synchronization codes. Refer LTE PSS vs SSS >> for more information. |
• 5G NR SS consists of PSS (Primary SS) and SSS (Secondary SS). • A BPSK modulated m-sequence of length 127 is used for NR PSS. • BPSK modulated Gold sequence of length 127 is used for NR SSS. Refer 5G NR SS >> and 5G PSS vs SSS vs ESS >> for more information. |
| Reference signals | • Downlink: Reference Signal (RS) • Uplink: DMRS, SRS • Refer LTE reference Signals >> |
• Downlink : DMRS (Demodulation Ref. Signal) , PTRS (Phase Tracking RS) and CSI-RS (Channel State Inf. RS) • Uplink: DMRS, PTRS and SRS • Refer 5G NR Reference Signals >> for more information. |
| PBCH | • Refer LTE PBCH >> for more information. | • Refer 5G NR PBCH >> for more information. |
| RACH | • Refer LTE RACH >> for more information. | • Refer VENDORS5G NR RACH >> |
| PDCCH | • Refer LTE PDCCH >> for more information. | • Refer 5G NR PDCCH >> for more information. |
| PUCCH | • Refer LTE PUCCH >> for more information. | • Refer 5G NR PUCCH >> for more information. |
| SS block sweeping | 1 | 4 for < 3 GHz, 8 for < 3 to 6 GHz, 64 for 6 to 52.6 GHz |
| Channel coding for various channels | • PBCH/PDCCH: TBCC • PDSCH/PUSCH : Turbo Code • PUCCH: RM Block Code |
• PBCH/PDCCH/PUCCH : Polar code • PDSCH/PUSCH: LDPC |
| HARQ Round Trip Time | • FDD: 9ms, TDD: >=8 ms | • 0.25 to 16 ms |
| CA (Carrier Aggregation), DuCo | • CA upto 32 carriers • DuCo upto 64 carriers |
• CA upto 16 carriers • DuCo upto 32 carriers |
| UE Bandwidth Adaptation | • Not allowed | • Allowed |
| Mobility | • CRS-based RSRP | • SSS-based RSRP for cell or beam • CSI-RS based RSRP for beam or transmission point |
| MIMO/Beamforming | • Digital Beamforming • Diversity Tx:SFBC • Open loop TxCDD with precoder cycling (PC), 1-port PC • Closed loopTx spatial multiplexing |
• Hybrid beamforming • Open Loop Tx: 1 port PC (UE Transparent) • Closed Loop Tx: Spatial Multiplexing |
| Physical Layer | • Refer LTE PHY >> for more information. | • Refer 5G NR PHY >> for more information. |
Difference between 2G, 3G, 4G and 5G
2G vs 3G-Difference between 2G and 3G
3G vs 4G-Difference between 3G and 4G
Difference between 2.5G,2.75G,3.5G,3.75G,4G and 5G
3G
4G
5G
4G vs 4.5G vs 4.9G vs 5G
LTE vs LTE advanced
LTE advanced vs LTE advanced Pro
5G vs LTE advanced Pro
LTE, 5G TF and 5G NR TECHNOLOGY RELATED LINKS
This 5G tutorial also covers following sub topics on the 5G technology:
LTE tutorial
5G tutorial
What is 5G NR
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
5G NR Numerology | 5G NR Terminology
• 5G NR PHY timing unit
• 5G NR SLIV
• 5G NR Mini Slot
• 5G NR Bandwidth Part
• 5G NR CORESET
• 5G NR DCI Formats
• 5G NR UCI
• 5G NR slot formats
• 5G NR RRC IEs
• 5G NR RSRP RSRQ SINR
5G NR Control channels | 5G NR Traffic Channels | 5G NR Reference Signals and sequences
• 5G NR SSB, SS, PBCH
• 5G NR PRACH
• 5G NR PDCCH
• 5G NR PUCCH
• 5G NR Reference Signals
• 5G NR m-Sequence
• 5G NR Gold Sequence
• 5G NR Zadoff Chu Sequence
5G NR Calculators
5G NR sampling time calculator
5G NR Throughput calculator
5G NR TBS calculation
5G NR ARFCN vs frequency conversion
5G NR Throughput calculator
5G NR TBS calculation
5G NR ARFCN vs frequency conversion
LTE resources
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