Results 11 to 20 of about 17,802 (254)

A Useful Metaheuristic for Dynamic Channel Assignment in Mobile Cellular Systems

International Journal of Interactive Multimedia and Artificial Intelligence, 2012
The prime objective of a Channel Assignment Problem (CAP) is to assign appropriate number of required channels to each cell in a way to achieve both efficient frequency spectrum utilization and minimization of interference effects (by satisfying a number
Deepak Kumar Singh, K. Srinivas, D. Bhagwan Das   +2 more
doaj   +1 more source

Channel Assignment Based on CSMA-Aware Interference Model With Overlapped Channels in Multiradio Multichannel Wireless Mesh Networks

IEEE Access, 2022
Multi-radio Multi-channel Wireless Mesh Networks (MRMC WMNs) implemented on IEEE 802.11 standards are widely used owing to their adaptability in practical network scenarios.
Yi Tian, Takuya Yoshihiro
doaj   +1 more source

A Fair Multi-Channel Assignment Algorithm With Practical Implementation in Distributed Cognitive Radio Networks

IEEE Access, 2018
Designing an efficient spectrum assignment (SA) mechanism is a key issue for realizing dynamic spectrum access in cognitive radio network. In multi-channel selection based SA schemes, secondary users (SUs) are able to utilize multiple channels ...
Zong-Heng Wei, Bin-Jie Hu
doaj   +1 more source

Spectrum Assignment in Hardware-Constrained Cognitive Radio IoT Networks Under Varying Channel-Quality Conditions

IEEE Access, 2019
The integration of cognitive radio (CR) technology with the future Internet-of-Things (IoT) architecture is expected to allow effective massive IoT deployment by providing huge spectrum opportunities to the IoT devices.
Haythem A. Bany Salameh, Saham Al-Masri, Elhadj Benkhelifa, Jaime Lloret   +3 more
doaj   +1 more source

Maximum-Service Channel Assignment in Vehicular Radar-Communication

IEEE Access, 2021
Spectrum sharing between different technologies has become a necessity as the RF spectrum has become more congested than ever due to the increasing number of connected devices and applications all wishing to access the spectrum simultaneously.
Mai Kafafy, Ahmed S. Ibrahim, Mahmoud H. Ismail   +2 more
doaj   +1 more source

Multi-Radio Multi-Channel Assignment Algorithm in Maritime Wireless Mesh Networks

IEEE Access, 2019
The recent growth in the maritime industry stemming to increase in global commerce as well as searching for hydrocarbons at offshore locations, the high data rate and cost affordable maritime communication is acquired.
Junhua Xing, Qi Li, Haixin Sun, Jie Qi, Zhenggen Zhu, Junfeng Wang   +5 more
doaj   +1 more source

Interference Graph Based Channel Assignment Algorithm for D2D Cellular Networks

IEEE Access, 2018
Device-to-device (D2D) communications underlying cellular networks are a novel approach for providing IoT services, in which D2D communication links and cellular communication links share the same channels.
Liqun Zhao, Hongpeng Wang, Xiaoxiong Zhong   +2 more
doaj   +1 more source

Improved Bounds for Radio k-Chromatic Number of Hypercube Qn

International Journal of Mathematics and Mathematical Sciences, 2011
A number of graph coloring problems have their roots in a communication problem known as the channel assignment problem. The channel assignment problem is the problem of assigning channels (nonnegative integers) to the stations in an optimal way such ...
Laxman Saha, Pratima Panigrahi, Pawan Kumar   +2 more
doaj   +1 more source

Tight Lower Bound for the Channel Assignment Problem [PDF]

ACM Transactions on Algorithms, 2014
We study the complexity of the C hannel A ssignment problem. An open problem asks whether C hannel A ssignment admits an O ( c n ) (times a polynomial in ...
openaire   +3 more sources

Resource Allocation for Weighted Sum-Rate Maximization in Multi-User Full-Duplex Device-to-Device Communications: Approaches for Perfect and Statistical CSIs

IEEE Access, 2017
In this paper, we investigate the resource allocation problem for multi-user full-duplex deviceto-device (D2D) underlay communication, considering both perfect channel state information (CSI) and statistical CSI scenarios.
Song Li, Qiang Ni, Yanjing Sun, Geyong Min   +3 more
doaj   +1 more source