Abstract Much interest in Cognitive Radio Networks (CRNs) has been raised recently by
enabling unlicensed (secondary) users to utilize the unused portions of the licensed …

This paper investigates the problem of designing an efficient spectrum-allocation
mechanism in heterogeneous multicell coordinated cognitive radio networks (CRNs) under …

Cognitive radio (CR) arises as an important technique for wireless network with the aim to
provide better utilization of radio spectrum, which is being utilized sporadically in some …

(1. 嘉应学院计算机学院, 梅州514015; 2. 厦门大学软件学院, 厦门361005) 摘要:
针对无线网络服务能耗较高的问题, 提出了一种基于机会主义的能量感知调度方案(OEARS) …

Cognitive Radio Network (CRN) is a promising network that aims to improve the utilization of
the wireless spectrum by enabling unlicensed (secondary) users to reuse the underutilized …

Abstract Multicasting in Cognitive Radio Networks (CRNs) is receiving a great interest from
researchers in both academia and industry. In this work, we investigate the problem of multi …