Abstract
Cognitive radio network (CRN) has been observed as one of the most emerging technologies since last one decade and identified as a natural extension of wireless networks. The CRN consists of secondary user nodes (SUs) interconnected using spectrum holes in environment. In wireless networks, especially in distributed systems, constructing minimum spanning tree (MST) has been experienced as a classical problem. In this, finding degree constraint spanning tree is a well-known solution approach to construct MST. We intend to propose similar works to create MST for CRN using bio-inspired method. In our problem, we restrict every SU node to have a maximum of degree “d.” We used the genetic algorithm along with ant colony optimization to solve the problem. It is the first algorithm of its kind to the best of our knowledge.
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