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	PSUN: An OFDM scheme for coexistence with pulsed radar
	Kim, Seungmo ; Park, Jung-Min Jerry ; Bian, Kaigui
	2015
英文摘要	We propose Precoded SUbcarrier Nulling (PSUN), a transmission strategy for OFDM-based wireless communication networks (SCN, Secondary Communication Networks) that need to coexist with pulsed radar systems. It is a novel null-tone allocation method that effectively mitigates inter-carrier interference (ICI) remaining after pulse blanking (PB). When the power from the radar's pulse interference is high, the SCN Rx needs to employ PB to mitigate the interference power. Although PB is known to be an effective technique for suppressing pulsed interference, it magnifies the effect of ICI in OFDM waveforms, and thus degrades bit error rate (BER) performance. For more reliable performance evaluation, we take into account two characteristics of the incumbent radar significantly affect the performance of SCN: (i) antenna sidelobe and (ii) out-of-band emission. Our results show that PSUN effectively mitigates the impact of ICI remaining after PB. ? 2015 IEEE.; EI; 0
语种	英语
DOI标识	10.1109/ICCNC.2015.7069480
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/412454]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Kim, Seungmo,Park, Jung-Min Jerry,Bian, Kaigui. PSUN: An OFDM scheme for coexistence with pulsed radar. 2015-01-01.

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