Adaptive channel allocation for spectrum sharing based on ACO algorithm

2022 ◽  
Vol 18 (1) ◽  
pp. 31
Author(s):  
J. Suji Priya ◽  
T. Padma
Keyword(s):  
Spectrum Sharing ◽  
Channel Allocation

scholarly journals Network Selection and Channel Allocation for Spectrum Sharing in 5G Heterogeneous Networks

IEEE Access ◽  
2016 ◽  
Vol 4 ◽  
pp. 980-992 ◽  
Author(s):  
Najam Ul Hasan ◽  
Waleed Ejaz ◽  
Naveed Ejaz ◽  
Hyung Seok Kim ◽  
Alagan Anpalagan ◽  
...  
Keyword(s):  
Heterogeneous Networks ◽  
Spectrum Sharing ◽  
Channel Allocation ◽  
Network Selection

scholarly journals Effects of Implementing Adaptable Channelization in Wi-Fi Networks

2016 ◽  
Vol 2016 ◽  
pp. 1-15 ◽  
Author(s):  
Abid Hussain ◽  
Nazar Abbas Saqib
Keyword(s):  
Spectrum Sharing ◽  
Network Performance ◽  
Channel Allocation ◽  
Primary Source ◽  
Access Point ◽  
Error Rates ◽  
Wireless Devices ◽  
Spectrum Utilization ◽  
Current Requirement ◽  
Elementary Concept

The unprecedented increase of wireless devices is now facing a serious threat of spectrum scarcity. The situation becomes even worse due to inefficient frequency distribution protocols, deployed in trivial Wi-Fi networks. The primary source of this inefficiency is static channelization used in wireless networks. In this work, we investigate the use of dynamic and flexible channelization, for optimal spectrum utilization in Wi-Fi networks. We propose optimal spectrum sharing algorithm (OSSA) and analyze its effect on exhaustive list of essential network performance measuring parameters. The elementary concept of the proposed algorithm lies in the fact that frequency spectrum should be assigned to any access point (AP) based on its current requirement. The OSSA algorithm assigns channels with high granularity, thus maximizing spectrum utilization by more than 20% as compared to static width channel allocation. This optimum spectrum utilization, in turn, increases throughput by almost 30% in many deployment scenarios. The achieved results depict considerable decrease in interference, while simultaneously increasing range. Similarly signal strength values at relatively longer distances improve significantly at narrower channel widths while simultaneously decreasing bit error rates. We found that almost 25% reduction in interference is possible in certain scenarios through proposed algorithm.

scholarly journals Optimization of Citizen Broadband Radio Service Frequency Allocation for Dynamic Spectrum Access System

2021 ◽  
Vol 2 (4) ◽  
pp. 143-148
Author(s):  
Joy Chen ◽  
Lu-Tsou Yeh
Keyword(s):  
Spectrum Sharing ◽  
Dynamic Spectrum Access ◽  
Channel Allocation ◽  
Wireless Channel ◽  
Federal Communications Commission ◽  
Network Robustness ◽  
Timing Constraints ◽  
Spectrum Access ◽  
Access System ◽  
Broadband Radio

With the increase in mobile broadband utilization, more spectrum release is recommended by the Federal Communications Commission for spectrum sharing under a three-tire system called Citizens Broadband Radio Service. The standardization, functional and operational necessities of this framework are defined by the Wireless Innovation Forum. If an unavoidable shipborne radar appears on the channel, the channel must be vacated by the lower tier users. The timing constraints on CBRS is also stringent. Wireless stations transmit short beacon frames termed as heartbeat signals. These signals consist of the wireless channel encryption data, Service Set Identifier (SSID) and other credential data. These signals also transmit commands to vacate a channel. The heartbeat interval, timing constraint and domain proxy features are analyzed in this paper. CBSD renunciation and spectrum acquisition is performed with the help of domain proxy based communication. The CBRS-SAS channel allocation algorithm is further investigated. The communication interoperability and network robustness can improved with the introduction of secondary SAS and secondary domain proxy respectively.

scholarly journals Game-Theoretic Channel Allocation in Cognitive Radio Networks

2017 ◽  
Vol 7 (2) ◽  
pp. 986
Author(s):  
Sangsoon Lim
Keyword(s):  
Cognitive Radio ◽  
Utility Function ◽  
Cognitive Radio Networks ◽  
Spectrum Sharing ◽  
Dynamic Spectrum Access ◽  
Channel Allocation ◽  
Radio Networks ◽  
Secondary Users ◽  
Game Theoretic ◽  
Primary And Secondary Users

Cognitive radio networks provide dynamic spectrum access techniques to support the increase in spectrum demand. In particular, the spectrum sharing among primary and secondary users can improve spectrum utilization in unused spectrum by primary users. In this paper, we propose a novel game theoretic channel allocation framework to maximize channel utilization in cognitive radio networks. We degisn the utility function based on the co-channel interference among primary and secondary users. In addition, we embed the property of the adjacent channel intererence to consider real wireless environment. The results show that the utility function converges quickly to Nash equilibrium and achieves channel gain by up to 25 dB compared to initial assignment.

Throughput Enhancement for SATCOM Systems Using Dynamic Spectrum Controlled Channel Allocation under Variable Propagation Conditions

2017 ◽  
Vol E100.B (2) ◽  
pp. 390-399
Author(s):  
Katsuya NAKAHIRA ◽  
Jun MASHINO ◽  
Jun-ichi ABE ◽  
Daisuke MURAYAMA ◽  
Tadao NAKAGAWA ◽  
...  
Keyword(s):  
Channel Allocation ◽  
Dynamic Spectrum ◽  
Throughput Enhancement

A Spectrum Sharing Method Based on Users' Behavior and Providers' Profit

2017 ◽  
Vol E100.B (10) ◽  
pp. 1928-1938 ◽  
Author(s):  
Kazuhiko KINOSHITA ◽  
Yukika MARUYAMA ◽  
Keita KAWANO ◽  
Takashi WATANABE
Keyword(s):  
Spectrum Sharing
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