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

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Abstract

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.

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Acknowledgments

This paper was supported by the National Natural Science Foundation of China (Grant No. 61062006 and Grant No. 61261024) and the Special Social Service Project Fund of Hainan University, China (Grant No. HDSF201301).

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Correspondence to Yong Bai.

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Gao, J., Li, X., Wang, W. et al. Non-contiguous Channel Bonding for TV White Space Usage with NC-OFDM Transmission. Wireless Pers Commun 86, 385–401 (2016). https://doi.org/10.1007/s11277-015-2935-8

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Keywords

  • Cognitive radio
  • Channel bonding
  • NC-OFDM
  • TV white space