Wideband Spectrum Sensing in Multiantenna Based Cognitive Radio

被引：0
|
作者：
Mahapatra, Rajarshi
机构：
来源：
2009 ANNUAL IEEE INDIA CONFERENCE (INDICON 2009) | 2009年
关键词：
Spectrum sensing; OFDM; cognitive radio;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In this work, we investigate the performance of cooperative spectral sensing, where each OFDM-based CR is equipped with multiple-antennas and uses SLC based energy detector to detect the presence of PU signal within its communication range. Using this approach, the CR can detect the spectrum hole with subcarrier resolution. The simulation results suggest that a trade-off is necessary between detection probability, observation length, number of antennas and cooperating user at a particular value of false-alarm probability and SNR.
引用
收藏
页码：610 / 612
页数：3
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