Efficient Spectrum Sharing by Cognitive User Section Through Clustering for D2D Communication
Main Article Content
Abstract
: D2D communication is the direct communication between the wireless network node without the base station's involvement. This direct communication requires spectrum to communicate, which can be leveraged by using a cognitive radio approach through spectrum sharing. Spectrum sharing using sensed free channel among N number of cognitive users is one of the research issues and is an NP-hard problem. This spectrum sharing also called cognitive user selection. Channel sate-based user selection is usually carried. This user selection is carried out in such a way the sum rate in the network will be maximized. Here in this paper, a graph theory-based approach is followed. The entire node-set, which will share the spectrum, is represented as a weighted graph. The interference between the node that shares the spectrum is represented as the edge of the graph, and the participating cognitive user is represented as a node of the graph. Then clustering mechanism is applied to group the node as an interference-free set, and the cognitive user nodes are selected for the share the spectrum. The proposed mechanism simulation result proves that the mechanism can achieve a maximum sum rate.
Downloads
Metrics
Article Details
You are free to:
- Share — copy and redistribute the material in any medium or format for any purpose, even commercially.
- Adapt — remix, transform, and build upon the material for any purpose, even commercially.
- The licensor cannot revoke these freedoms as long as you follow the license terms.
Under the following terms:
- Attribution — You must give appropriate credit , provide a link to the license, and indicate if changes were made . You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.
Notices:
You do not have to comply with the license for elements of the material in the public domain or where your use is permitted by an applicable exception or limitation .
No warranties are given. The license may not give you all of the permissions necessary for your intended use. For example, other rights such as publicity, privacy, or moral rights may limit how you use the material.