Measurement and analysis of a large scale commercial mobile internet tv system

Y Li, Y Zhang, R Yuan - Proceedings of the 2011 ACM SIGCOMM …, 2011 - dl.acm.org
Large scale, Internet based mobile TV deployment presents both tremendous opportunities
and challenges for mobile operators and technology providers. This paper presents a …

Performance modelling and analysis of cognitive mesh networks

G Min, Y Wu, AY Al-Dubai - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
A new analytical model is proposed to investigate the delay and throughput in cognitive
mesh networks. The validity of the model is demonstrated via extensive simulation …

Spectrum sensing using CNN with attention on switch of channel states

Z Cong, M **, Q Guo, Z Zhou… - IEEE Communications …, 2022 - ieeexplore.ieee.org
This work addresses the issue of spectrum sensing with random arrival and departure of
primary signals. We first design a convolutional neural network (CNN) with outputs as the …

A new analytical model for multi-hop cognitive radio networks

Y Wu, G Min, AY Al-Dubai - IEEE Transactions on Wireless …, 2012 - ieeexplore.ieee.org
The cognitive radio (CR) is an emerging technique for increasing the utilisation of
communication resources by allowing the unlicensed users to employ the under-utilised …

On the stochastic modeling of the holding time of SUs to PU channels in cognitive radio networks

Y Aborahama, MS Hassan - IEEE Transactions on Cognitive …, 2019 - ieeexplore.ieee.org
To efficiently utilize the idle periods on primary channels in cognitive radio networks;
unlicensed secondary users (SUs) should have prior knowledge of the periods of time over …

Modeling and characterization of spectrum white spaces for underlay cognitive radio networks

V Pla, JR Vidal, J Martinez-Bauset… - 2010 IEEE International …, 2010 - ieeexplore.ieee.org
Cognitive Radio (CR) networks are envisaged as the key technology to realize dynamic
spectrum access and solving the scarcity of radio spectrum. Having a temporal …

Spectrum Sensing Based on Sticky Hidden Markov Model With Beta Prior of Channel State Switches

T Yuan, M **, Q Guo, Y Tian - IEEE Communications Letters, 2023 - ieeexplore.ieee.org
Spectrum sensing is a key functionality in cognitive radio to avoid unacceptable interference
to primary users. When channel traffic becomes heavy, channel state switches within a …

Clustering VoIP caller for SPIT identification

MA Azad, R Morla, J Arshad… - Security and …, 2016 - Wiley Online Library
The number of unsolicited and advertisement telephony calls over traditional and Internet
telephony has rapidly increased over recent few years. Every year, the telecommunication …

Performance analysis of cognitive radio networks with generalized call holding time distribution of secondary user

S Hoque, W Arif - Telecommunication Systems, 2017 - Springer
In cognitive radio networks (CRNs), spectrum handoff probability and expected number of
spectrum handoffs are important parameters in the evaluation of network performance and …

Performance evaluation of a cognitive radio network with exponential and truncated usage models

W Ahmed, J Gao, M Faulkner - 2009 4th International …, 2009 - ieeexplore.ieee.org
In this paper, we study the forced termination probability, blocking probability and throughput
of secondary users with practical usage models, which include fixed, truncated exponential …