2014년 컴퓨터종합학술대회
Current Result Document :
| 한글제목(Korean Title) |
Challenges in Cognitive Radio Sensor Networks |
| 영문제목(English Title) |
Challenges in Cognitive Radio Sensor Networks |
| 저자(Author) |
Fanhua Kong
Zilong Jin
Jinsung Cho
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| 원문수록처(Citation) |
VOL 41 NO. 01 PP. 1156 ~ 1158 (2014. 06) |
한글내용
(Korean Abstract) |
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영문내용
(English Abstract) |
Current spectrum resources are lack due to inflexible spectrum sharing regulations and underutilization of licensed band for primary users (PUs). Cognitive radio (CR) technology is proposed to address this problem. CR technology enables secondary users (SUs) access temporally unused licensed spectrum in opportunistic manner. Benefit from high spectrum efficiency, CR technology has been widely utilized in various wireless networks. There are many protocols proposed to improve cognitive radio wireless networks performance. However, these works do not consider the requirements of CRSNs, therefore can not apply in CRSNs directly. In this paper, we analyze the features of the existing protocols and discuss the requirement of CRSNs jointly to summarize the challenges must be addressed. Key words: Cognitive radio sensor network, channel assignment, routing.
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