A distributed minimum spanning tree for cognitive radio networks

MK Murmu, AM Firoz, S Meena, S Jain - Procedia Computer Science, 2016‏ - Elsevier
The minimum spanning tree is a classical problem in distributed system environment. We
extend this challenge in Cognitive Radio Networks (CRN). In CRN, the spectrum mobility …

A distributed approach to construct minimum spanning tree in cognitive radio networks

MK Murmu - Procedia Computer Science, 2015‏ - Elsevier
The minimum spanning tree is useful for data disseminating or broadcasting where a leader
node can regulate the data with minimum cost and time. The article presents an algorithm to …

A leader election protocol for cognitive radio networks

MK Murmu, AK Singh - Wireless Personal Communications, 2017‏ - Springer
Leader election is a fundamental problem of distributed computing systems. In cognitive
radio network (CRN), the secondary users (SUs) are connected under the leased spectrum …

κ‐channel connectivity in cognitive radio networks for bounded tree‐width graphs

RN Yadav, R Misra - International Journal of Communication …, 2017‏ - Wiley Online Library
Channel connectivity problem in cognitive radio network (CCP in CRN) is to find a channel
assignment for secondary users (SUs) such that underlying graph induced by SUs (potential …

Computing capacity and connectivity in cognitive radio ad-hoc networks

QS Hua, H Tan, Y Wang, H Li, D Yu… - 2012 12th …, 2012‏ - ieeexplore.ieee.org
We present some unique challenges in cognitive radio ad-hoc networks (CRAHNs) that are
not present in conventional single-channel or multi-channel wireless ad-hoc networks. We …

Connectivity in CRNs with bounded tree-width potential graph and its fixed parameter tractability

A Sehrawat, R Misra, RN Yadav - 2016 Twenty Second …, 2016‏ - ieeexplore.ieee.org
Cognitive Radio Networks (CRNs) are considered as a promising solution to the spectrum
shortage problem in wireless communication. We model the network of secondary users …

Channel selection for rendezvous with high link stability in cognitive radio network

Z Han, H Tan, Y Wang, J Zhou - … , WASA 2014, Harbin, China, June 23-25 …, 2014‏ - Springer
Channel selection is a fundamental problem in Cognitive Radio Networks (CRNs). One
basic channel assignment problem is rendezvous, which investigates how secondary users …

Optimal rendezvous strategies for different environments in cognitive radio networks

H Tan, J Yu, H Liang, R Wang, Z Han - Proceedings of the 18th ACM …, 2015‏ - dl.acm.org
In Cognitive Radio Networks (CRNs), a fundamental operation for the secondary users
(SUs) is to establish communication through choosing a common available channel at the …

Minimum Interference Topology Control in Cognitive Radio Networks through Channel Assignment

A Ralhan, RN Yadav, R Misra - 2018 International Conference …, 2018‏ - ieeexplore.ieee.org
Connectivity is a fundamental problem in wireless network. Connection between any two
random nodes in a cognitive radio ad hoc network cannot be determined by their distance …

Speedy leader election to avoid application discontinuity in cognitive radio networks

MK Murmu, AK Singh - Telecommunication Systems, 2019‏ - Springer
In cognitive radio networks (CRN), secondary user (SU) nodes operate in primary users'
unused spectrum bands. Thus, the link between SU nodes may be short lived due to …