Non-contiguous Channel Bonding for TV White Space Usage with NC-OFDM Transmission

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• 作者：Jianwen Gao ; Xiaoling Li ; Wei Wang ; Yong Bai
• 关键词：Cognitive radio ; Channel bonding ; NC ; OFDM ; TV white space
• 刊名：Wireless Personal Communications
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：86
• 期：2
• 页码：385-401
• 全文大小：1,190 KB
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• 作者单位：Jianwen Gao (1)
  Xiaoling Li (1)
  Wei Wang (1)
  Yong Bai (1)
  
  1. College of Information Science and Technology, Hainan University, 58 Renmin Ave.,, Haikou, 570228, Hainan, China
  
• 刊物类别：Engineering
• 刊物主题：Electronic and Computer Engineering
  Signal,Image and Speech Processing
  Processor Architectures
  
• 出版者：Springer Netherlands
• ISSN：1572-834X

文摘

Contiguous channel bonding for using more than one channels together in TV white space has been considered in the IEEE 802.22-specified wireless regional area network system. To support more flexible channel usage, this paper investigates non-contiguous channel bonding as a potential extended feature of IEEE 802.22 standard. The transceiver structure with Non-Contiguous OFDM (NC-OFDM) transmission to support non-contiguous channel bonding is presented. The simulation results show that non-contiguous channel bonding achieves better symbol error rate performance with slightly higher peak to average power ratio comparing with contiguous channel bonding. Finally, the power spectrum density of NC-OFDM signals with non-contiguous channel bonding is analyzed and the number of additional guard subcarriers for mitigating out-of-band emissions are determined to comply with the required transmission spectrum mask. Keywords Cognitive radio Channel bonding NC-OFDM TV white space