Narrowband IoT
Narrowband IoT (NB-IoT) is a Low Power Wide Area Network (LPWAN) radio technology standard developed by 3GPP to enable a wide range of cellular devices and services.[1][2] The specification was frozen in 3GPP Release 13 (LTE Advanced Pro), in June 2016.[3] Other 3GPP IoT technologies include eMTC (enhanced Machine-Type Communication) and EC-GSM-IoT.[4]
NB-IoT focuses specifically on indoor coverage, low cost, long battery life, and high connection density. NB-IoT uses a subset of the LTE standard, but limits the bandwidth to a single narrow-band of 200kHz. It uses OFDM modulation for downlink communication and SC-FDMA for uplink communications. [5][6][7][8][9]
3GPP Narrowband Cellular Standards
LTE Cat 1 | LTE Cat 0 | LTE Cat M1
(eMTC) |
LTE Cat NB1
(NB-IoT) |
EC-GSM-IoT | |
---|---|---|---|---|---|
3GPP Release | Release 8 | Release 12 | Release 13 | Release 13 | Release 13 |
Downlink Peak Rate | 10 Mbit/s | 1 Mbit/s | 1 Mbit/s | 250 kbit/s | 474 kbit/s (EDGE)
2 Mbit/s (EGPRS2B) |
Uplink Peak Rate | 5 Mbit/s | 1 Mbit/s | 1 Mbit/s | 250 kbit/s (multi-tone)
20 kbit/s (single-tone) |
474 kbit/s (EDGE)
2 Mbit/s (EGPRS2B) |
Latency | 50–100ms | not deployed | 10ms–15ms | 1.6s–10s | 700ms–2s |
Number of Antennas | 2 | 1 | 1 | 1 | 1–2 |
Duplex Mode | Full Duplex | Full or Half Duplex | Full or Half Duplex | Half Duplex | Half Duplex |
Device Receive Bandwidth | 1.4 – 20 MHz | 1.4 – 20 MHz | 1.4 MHz | 180 kHz | 200 kHz |
Receiver Chains | 2 (MIMO) | 1 (SISO) | 1 (SISO) | 1 (SISO) | 1–2 |
Device Transmit Power | 23 dBm | 23 dBm | 20 / 23 dBm | 20 / 23 dBm | 23 / 33 dBm |
See also
References
- ↑ "NarrowBand – Internet of Things (NB-IoT)".
- ↑ Grant, Svetlana (September 1, 2016). "3GPP Low Power Wide Area Technologies - GSMA White Paper" (PDF). gsma.com. GSMA. p. 49. Retrieved October 17, 2016.
- ↑ "Standardization of NB-IOT completed". 3gpp.org. 3GPP. June 22, 2016. p. 1. Retrieved August 19, 2016.
- ↑ "Extended Coverage - GSM - Internet of Things (EC-GSM-IoT)". gsma.com. GSMA. May 11, 2016. p. 1. Retrieved October 17, 2016.
- ↑ Lawson, Stephen (September 21, 2015). "NarrowBand IoT standard for machines moves forward". computerworld.com. Computerworld / IDG. p. 1. Retrieved September 24, 2015.
- ↑ Jones, Dan (September 11, 2015). "Ericsson, Intel, Nokia Back New Narrowband LTE IoT Spec". lightreading.com. LightReading. p. 1. Retrieved September 24, 2015.
- ↑ Scales, Ian (September 18, 2015). "3GPP agrees 'harmonized' proposal for narrowband IoT radio technology". telecomtv.com. TelecomTV. p. 1. Retrieved September 24, 2015.
- ↑ Lawson, Stephen (September 22, 2015). "LTE standard for Internet of Things machines gets the green light". PCWorld / IDG. p. 1. Retrieved September 24, 2015 – via pcworld.com.
- ↑ "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.
External links
This article is issued from
Wikipedia.
The text is licensed under Creative Commons - Attribution - Sharealike.
Additional terms may apply for the media files.