Modeling and analysis of random access channels with bursty arrivals in OFDMA wireless networks

CH Wei, G Bianchi, RG Cheng - IEEE transactions on wireless …, 2014 - ieeexplore.ieee.org
Random access channels (RACHs) in cellular networks are normally designed for Poisson-
distributed arrivals with a constant rate. Unexpected bursty arrivals may result in severe …

Random access analysis for massive IoT networks under a new spatio-temporal model: A stochastic geometry approach

N Jiang, Y Deng, X Kang… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Massive Internet of Things (mIoT) has provided an auspicious opportunity to build powerful
and ubiquitous connections that face a plethora of new challenges, where cellular networks …

Optimization of random access channel in NB-IoT

R Harwahyu, RG Cheng, CH Wei… - IEEE Internet of Things …, 2017 - ieeexplore.ieee.org
Narrowband Internet of Things is a new access technology introduced by 3GPP. This paper
presents an analytical model to estimate the access success probability and average access …

Estimation and adaptation for bursty LTE random access

GY Lin, SR Chang, HY Wei - IEEE Transactions on Vehicular …, 2015 - ieeexplore.ieee.org
With the potential to generate numerous connection requests, an explosive growth in the
volume of data traffic and the number of mobile and machine-to-machine devices has drawn …

Performance analysis of group paging for machine-type communications in LTE networks

CH Wei, RG Cheng, SL Tsao - IEEE Transactions on Vehicular …, 2013 - ieeexplore.ieee.org
Machine-type communication (MTC) is a crucial service for next-generation cellular
networks. Mass access to the network by MTC devices may result in the overload of radio …

Modeling and estimation of one-shot random access for finite-user multichannel slotted ALOHA systems

CH Wei, RG Cheng, SL Tsao - IEEE Communications Letters, 2012 - ieeexplore.ieee.org
This paper presents a combinatorial model and approximation formulas to estimate the
average number of successful and collided users for a one-shot random access in finite-user …

[HTML][HTML] Priority-based initial access for URLLC traffic in massive IoT networks: Schemes and performance analysis

TN Weerasinghe, IAM Balapuwaduge, FY Li - Computer Networks, 2020 - Elsevier
At a density of one million devices per square kilometer, the10's of billions of devices,
objects, and machines that form a massive Internet of things (mIoT) require ubiquitous …

On the accurate performance evaluation of the LTE-A random access procedure and the access class barring scheme

I Leyva-Mayorga, L Tello-Oquendo… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
The performance evaluation of the random access (RA) in LTE-A has recently become a
major research topic as these networks are expected to play a major role in future 5G …

Energy and delay analysis of LTE-advanced RACH performance under MTC overload

M Gerasimenko, V Petrov, O Galinina… - 2012 IEEE …, 2012 - ieeexplore.ieee.org
Machine-Type Communications (MTC) is a rapidly growing technology, which is expected to
generate significant revenues to mobile network operators. In particular, smart grid is …

Impact of machine‐type communications on energy and delay performance of random access channel in LTE‐advanced

M Gerasimenko, V Petrov, O Galinina… - Transactions on …, 2013 - Wiley Online Library
Machine‐type communications (MTC) are a rapidly growing technology, which is expected
to generate significant revenues to mobile network operators. In particular, smart grid is …