Adaptive CA-CFAR threshold for non-coherent IR-UWB energy detector receivers
In the present letter, a new adaptive threshold comparison approach for time-of-arrival (TOA) estimation in ultra wideband (UWB) signals is proposed. This approach can be used with non-coherent energy detector receivers in UWB systems. It exploits the idea of cell averaging constant false alarm rate...
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| Veröffentlicht in: | IEEE communications letters 2009-12, Vol.13 (12), p.959-961 |
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| creator | Maali, A. Mesloub, A. Djeddou, M. Mimoun, H. Baudoin, G. Ouldali, A. |
| description | In the present letter, a new adaptive threshold comparison approach for time-of-arrival (TOA) estimation in ultra wideband (UWB) signals is proposed. This approach can be used with non-coherent energy detector receivers in UWB systems. It exploits the idea of cell averaging constant false alarm rate (CA-CFAR) used in radar systems, where the threshold changes every energy block. The performance of several approaches are compared via Monte Carlo simulations using the CM1 channel model of the standard IEEE 802.15.4a. Both simulation results and comparisons are provided highlighting the effectiveness of the proposed approach. |
| doi_str_mv | 10.1109/LCOMM.2009.12.091579 |
| format | Article |
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This approach can be used with non-coherent energy detector receivers in UWB systems. It exploits the idea of cell averaging constant false alarm rate (CA-CFAR) used in radar systems, where the threshold changes every energy block. The performance of several approaches are compared via Monte Carlo simulations using the CM1 channel model of the standard IEEE 802.15.4a. 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Both simulation results and comparisons are provided highlighting the effectiveness of the proposed approach.</description><subject>Applied sciences</subject><subject>Band pass filters</subject><subject>cell averaging constant false alarm rate (CA-CFAR)</subject><subject>Computer Science</subject><subject>Computer simulation</subject><subject>Detection, estimation, filtering, equalization, prediction</subject><subject>Detectors</subject><subject>Energy use</subject><subject>Exact sciences and technology</subject><subject>Frequency</subject><subject>Information, signal and communications theory</subject><subject>Laboratories</subject><subject>Monte Carlo methods</subject><subject>Networking and Internet Architecture</subject><subject>Propagation delay</subject><subject>Pulse amplifiers</subject><subject>Radar detection</subject><subject>Radiocommunications</subject><subject>Radiolocalization and radionavigation</subject><subject>Receivers</subject><subject>Sampling methods</subject><subject>Signal and communications theory</subject><subject>Signal, noise</subject><subject>Systems, networks and services of telecommunications</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>Thresholds</subject><subject>Time of arrival estimation</subject><subject>Time-of-arrival (TOA)</subject><subject>Transmission and modulation (techniques and equipments)</subject><subject>Transmitters. Receivers</subject><subject>ultra wideband (UWB)</subject><subject>Ultra wideband technology</subject><subject>Ultrawideband</subject><subject>Wideband</subject><issn>1089-7798</issn><issn>1558-2558</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp90VFr3SAUB_AwNlh3t0-wPYTBNvaQu-MxRn3MQrsWUgplZY_iNSe7KWm809xCv329S7kPfSiCiv48qP8s-8RgzRjoH21zdXm5RgC9ZrgGzYTUr7ITJoQqMHWv0xyULqTU6m32LsZbAFAo2EnW1p3dzcM95U1dNGf1dT5vA8WtH7u89yGf_FQ4v6VA05xfXBc3f37mNFH4-5B3NJObkwnkKFUI8X32prdjpA9P4yq7OTv93ZwX7dWvi6ZuC1dqNhe61NRpXloLvYSy6-TG6RI7gQLdpqpACuw3wtqea-Ek71TVcwEVQy6cBsVX2fel7taOZheGOxsejLeDOa9bc1gDqDRqLu9Zst8Wuwv-357ibO6G6Ggc7UR-H42SAlDxpFfZ1xclrzjH1BL8_Aze-n2Y0ouNErJEiaJKqFyQCz7GQP3xogzMITXzPzVzSM0wNEtq6diXp9o2Ojv2wU5uiMeziBzSD4jkPi5uIKLjtuCCo6z4IwECnOY</recordid><startdate>20091201</startdate><enddate>20091201</enddate><creator>Maali, A.</creator><creator>Mesloub, A.</creator><creator>Djeddou, M.</creator><creator>Mimoun, H.</creator><creator>Baudoin, G.</creator><creator>Ouldali, A.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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Receivers</topic><topic>ultra wideband (UWB)</topic><topic>Ultra wideband technology</topic><topic>Ultrawideband</topic><topic>Wideband</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Maali, A.</creatorcontrib><creatorcontrib>Mesloub, A.</creatorcontrib><creatorcontrib>Djeddou, M.</creatorcontrib><creatorcontrib>Mimoun, H.</creatorcontrib><creatorcontrib>Baudoin, G.</creatorcontrib><creatorcontrib>Ouldali, A.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>IEEE communications letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Maali, A.</au><au>Mesloub, A.</au><au>Djeddou, M.</au><au>Mimoun, H.</au><au>Baudoin, G.</au><au>Ouldali, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Adaptive CA-CFAR threshold for non-coherent IR-UWB energy detector receivers</atitle><jtitle>IEEE communications letters</jtitle><stitle>COML</stitle><date>2009-12-01</date><risdate>2009</risdate><volume>13</volume><issue>12</issue><spage>959</spage><epage>961</epage><pages>959-961</pages><issn>1089-7798</issn><eissn>1558-2558</eissn><coden>ICLEF6</coden><abstract>In the present letter, a new adaptive threshold comparison approach for time-of-arrival (TOA) estimation in ultra wideband (UWB) signals is proposed. 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| subjects | Applied sciences Band pass filters cell averaging constant false alarm rate (CA-CFAR) Computer Science Computer simulation Detection, estimation, filtering, equalization, prediction Detectors Energy use Exact sciences and technology Frequency Information, signal and communications theory Laboratories Monte Carlo methods Networking and Internet Architecture Propagation delay Pulse amplifiers Radar detection Radiocommunications Radiolocalization and radionavigation Receivers Sampling methods Signal and communications theory Signal, noise Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Thresholds Time of arrival estimation Time-of-arrival (TOA) Transmission and modulation (techniques and equipments) Transmitters. Receivers ultra wideband (UWB) Ultra wideband technology Ultrawideband Wideband |
| title | Adaptive CA-CFAR threshold for non-coherent IR-UWB energy detector receivers |
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