Narrowband Internet of Things (NB-IoT): From physical (PHY) and media access control (MAC) layers perspectives

CB Mwakwata, H Malik, M Mahtab Alam, Y Le Moullec… - Sensors, 2019 - mdpi.com
channel in paging occasions. Therefore, power consumption reduction with the wake-up signal
technique … early data transmission during random access channel (RACH) procedure are …

Optimization of random access channel in NB-IoT

R Harwahyu, RG Cheng, CH Wei… - IEEE Internet of Things …, 2017 - ieeexplore.ieee.org
… initiates a random access (RA) procedure to acquire uplink resource for data transmission.
The UE transmits its first preamble through the narrowband physical RA channel (NPRACH) […

Narrowband internet of things: A comprehensive study

E Rastogi, N Saxena, A Roy, DR Shin - Computer networks, 2020 - Elsevier
… , random access response (RAR), and message-3 and 4 transmissions [71]. Three DCI
formats are defined for NPDCCH: (i) Format N0 is used for UL scheduling and carrier information …

Downlink control channel scheduling for 3GPP narrowband-IoT

MP Reddy, G Santosh, A Kumar… - 2018 IEEE 29th Annual …, 2018 - ieeexplore.ieee.org
… physical downlink channels that are Narrowband Physical Broadcast Channel (NPBCH), …
, during random access procedure, paging, shared data channel, and transport channel

A modelling approach for the narrowband IoT (NB-IoT) physical (PHY) layer performance

E Migabo, K Djouani, A Kurien - IECON 2018-44th Annual …, 2018 - ieeexplore.ieee.org
… novel PHY layer techniques (modulation, channel coding etc.) capable to efficiently scale
the NB-IoT network while maintaining acceptable data rate and low energy consumption. …

Channel Estimation and Peak‐to‐Average Power Ratio Analysis of Narrowband Internet of Things Uplink Systems

MS Ali, Y Li, MKH Jewel, OJ Famoriji… - … and Mobile Computing, 2018 - Wiley Online Library
… The 3GPP in [24] defined a new feature for NB-IoT uplink called resource unit (RU), which
is the basic unit for narrowband physical uplink shared channel (NPUSCH) allocation. In the …

A Survey on NB-IoT Random Access: Approaches for Uplink Radio Access Network Congestion Management

L Iiyambo, G Hancke, AM Abu-Mahfouz - IEEE Access, 2024 - ieeexplore.ieee.org
… 1) Narrowband physical uplink shared channel (NPUSCH): carries control signals and
actual data from the UE to the eNB. The data being communicated is differentiated using two …

Narrowband IoT: A survey on downlink and uplink perspectives

L Feltrin, G Tsoukaneri, M Condoluci… - IEEE Wireless …, 2019 - ieeexplore.ieee.org
… • Narrowband physical downlink shared channel (NPDSCH), … • Narrowband physical random
access channel (NPRACH), … RA procedure • Narrowband physical uplink shared channel (…

A classification back-off method for capacity optimization in NB-IOT random access

Y Zhao, K Liu, H Yan, L Huang - 2017 11th IEEE International …, 2017 - ieeexplore.ieee.org
… After the UE sends the preamble, it monitors the Narrowband Physical DownlinN Control
Channel and waits for a random access response within a random access response window: …

Deep learning for synchronization and channel estimation in NB-IoT random access channel

MH Jespersen, M Pajovic, T Koike-Akino… - 2019 IEEE Global …, 2019 - ieeexplore.ieee.org
… The random access procedure in the NB-IoT is initiated by the Narrowband Physical Random
Access CHannel … of 180kHz that accommodates 48 orthogonal channels from which a user …