قالب:3GPP LPWA IoT
[1][2] |
LTE Cat 1 | LTE Cat 1 bis | LTE-M | NB-IoT | EC-GSM-IoT | ||||
|---|---|---|---|---|---|---|---|---|---|
| LC-LTE/MTCe | eMTC | ||||||||
| LTE Cat 0 | LTE Cat M1 | LTE Cat M2 | non-BL | LTE Cat NB1 | LTE Cat NB2 | ||||
| 3GPP release | Release 8 | Release 13 | Release 12 | Release 13 | Release 14 | Release 13 | Release 14 | Release 13 | |
| Downlink peak rate | 10 Mbit/s | 1 Mbit/s | ~4 Mbit/s | 26 kbit/s | 127 kbit/s | 474 kbit/s (EDGE)
2 Mbit/s (EGPRS2B) | |||
| Uplink peak rate | 5 Mbit/s | ~7 Mbit/s | 66 kbit/s (multi-tone)
16.9 kbit/s (single-tone) |
159 kbit/s | |||||
| Latency | 50–100 ms | not deployed | 10–15ms | 1.6–10 s | 700 ms – 2 s | ||||
| Number of antennas | 2 | 1 | 1–2 | ||||||
| Duplex mode | Full duplex | Full or half duplex | Half duplex | ||||||
| Device receive bandwidth | 1.4–20 MHz | 1.4 MHz | 5 MHz | 180 kHz | 200 kHz | ||||
| Receiver chains | 2 (MIMO) | 1 (SISO) | 1–2 | ||||||
| Device transmit power | 23 dBm | 20 / 23 dBm | 14 / 20 / 23 dBm | 23 / 33 dBm | |||||
المراجع
- ^ "Preliminary specification". 3GPP.
- ^ Luo, Chao (March 20, 2017). "3GGP TS45.001: GSM/EDGE Physical layer on the radio path" (ZIPped DOC). 3gpp.org. 14.1.0. 3GPP TSG RAN WG6. p. 58. Retrieved May 27, 2017.