期刊名称：International Journal of Computer Science & Technology
印刷版ISSN：2229-4333
电子版ISSN：0976-8491
出版年度：2015
卷号：6
期号：2
页码：217-221
语种：English
出版社：Ayushmaan Technologies
摘要：In wireless Ad-Hoc Networks, the users may use Cognitive Radio Frequency (CR) which senses the radio frequency for data and message communication. The modern investigate despise that the most appropriate to tackle the issues related to spectrum utilization is a function of time and space calls for dynamic access strategies that adapt to the electromagnetic environment. The spectrum regulative committees are taking measurable steps with regards to birth down the principles and implementing them, which is able to open the doors to dynamic spectrum network technologies supported psychological feature radio. The usage of free spectrum sharing between primary users (licensed) and secondary users, being license-exempted and has been incontestable within the recent experimental trails supported TV whitespace networks. The technique of dynamically accessing unused spectrum victimization Dynamic Spectrum Access (DSA) is gaining momentum. Many experimental trails on dynamic spectrum networks are being disbursed within the TV-band spectrum to check the technology and enact rules. During this paper, a summary of psychological feature radio i.e. spectrum sensing, spectrum sharing, spectrum management and spectrum quality square measure mentioned. This paper can explore the dynamic spectrum technologies as a precursor to full-fledged psychological feature radio networks.
关键词：Dynamic Spectrum Access;Cognitive Radio;Primary Users; Spectrum Management;Wireless Communication
