Signature based spectrum sensing algorithms for IEEE 802.22 WRAN

被引：113

作者：

Chen, Hou-Shin ^{[1
]}

Gao, Wen ^{[2
]}

Daut, David G. ^{[1
]}

机构：

[1] Rutgers State Univ, Dept Elect & Comp Engn, 94 Brett Rd, Piscataway, NJ 08854 USA

[2] Thomson Corp Res, Princeton, NJ 08540 USA

来源：

2007 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-14 | 2007年

关键词：

D O I：

10.1109/ICC.2007.1073

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Spectral sensing for the presence of ATSC DTV signals in VHF/UHF TV bands under a very low SNR environment is one of the core technologies in IEEE 802.22 WRAN. There are multiple signatures embedded in the ATSC DTV signals and these signatures can be utilized to perform spectrum sensing. Signature-based spectrum sensing algorithms have an advantage in that when the signals other than noise are detected, we are almost sure that they are signals we want to detect. Thus, in this paper, several signature based spectrum sensing algorithms are presented. The false alarm rate for detectors employing different algorithms is analytically derived. The operating characteristic curves for different detectors are determined from computer simulations using ATSC A/74 DTV signal captures as a test database.

引用

页码：6487 / +

页数：2