A robust signal-detection method for ultra-wideband networks with uncontrolled interference
We propose a novel detection method for noncoherent synchronization (signal acquisition) in multi-user ultra-wideband (UWB) impulse radio (IR) networks. It is designed to solve the inter-user interference (IUI) that occurs in some ad-hoc networks where concurrent transmissions are allowed with heter...
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| Veröffentlicht in: | IEEE transactions on microwave theory and techniques 2006-04, Vol.54 (4), p.1769-1781 |
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| container_title | IEEE transactions on microwave theory and techniques |
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| creator | Fawal, A.E. Le Boudec, J.-Y. |
| description | We propose a novel detection method for noncoherent synchronization (signal acquisition) in multi-user ultra-wideband (UWB) impulse radio (IR) networks. It is designed to solve the inter-user interference (IUI) that occurs in some ad-hoc networks where concurrent transmissions are allowed with heterogeneous power levels. In such scenarios, the conventional detection method, which is based on correlating the received IR signal with a template pulse train (TPT), does not always perform well. The complexity of our proposal is similar to that of the conventional method. We evaluate its performance with the line-of-sight (LOS) and the non-LOS (NLOS) office indoor channel models proposed by the IEEE P802.15.4a study group and find that the improvement is significant. We also investigate the particular case where the concurrent transmissions have the same time-hopping code, and we show that it does not result in collision. Such scenarios appear in ad-hoc networks that employ a common code for control or broadcast purposes. |
| doi_str_mv | 10.1109/TMTT.2006.872071 |
| format | Article |
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It is designed to solve the inter-user interference (IUI) that occurs in some ad-hoc networks where concurrent transmissions are allowed with heterogeneous power levels. In such scenarios, the conventional detection method, which is based on correlating the received IR signal with a template pulse train (TPT), does not always perform well. The complexity of our proposal is similar to that of the conventional method. We evaluate its performance with the line-of-sight (LOS) and the non-LOS (NLOS) office indoor channel models proposed by the IEEE P802.15.4a study group and find that the improvement is significant. We also investigate the particular case where the concurrent transmissions have the same time-hopping code, and we show that it does not result in collision. 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It is designed to solve the inter-user interference (IUI) that occurs in some ad-hoc networks where concurrent transmissions are allowed with heterogeneous power levels. In such scenarios, the conventional detection method, which is based on correlating the received IR signal with a template pulse train (TPT), does not always perform well. The complexity of our proposal is similar to that of the conventional method. We evaluate its performance with the line-of-sight (LOS) and the non-LOS (NLOS) office indoor channel models proposed by the IEEE P802.15.4a study group and find that the improvement is significant. We also investigate the particular case where the concurrent transmissions have the same time-hopping code, and we show that it does not result in collision. Such scenarios appear in ad-hoc networks that employ a common code for control or broadcast purposes.</description><subject>Ad hoc networks</subject><subject>Channels</subject><subject>Computer vision</subject><subject>Concurrent transmissions</subject><subject>Infrared detectors</subject><subject>Infrared radiation</subject><subject>inter-user interference (IUI)</subject><subject>Interference</subject><subject>Mathematical models</subject><subject>near-far scenario</subject><subject>Networks</subject><subject>Phase detection</subject><subject>Physical layer</subject><subject>Proposals</subject><subject>Radio broadcasting</subject><subject>Robustness</subject><subject>signal acquisition</subject><subject>Synchronism</subject><subject>Trains</subject><subject>Ultra wideband technology</subject><subject>ultra-wideband (UWB)</subject><subject>Wideband communications</subject><issn>0018-9480</issn><issn>1557-9670</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp90c9rFDEUB_AgCq7Vu-AleNDTbF9-TCY5llJtodLL9uRhyCQvdupsUpMMS_97s6wgePD0ePB538P7EvKewZYxMOe7b7vdlgOorR44DOwF2bC-HzqjBnhJNgBMd0ZqeE3elPLYVtmD3pDvFzSnaS2VlvlHtEvnsaKrc4p0j_UheRpSputSs-0Os8fJRk8j1kPKPws9zPWBrtGlWHNaFvR0jhVzwIzR4VvyKtil4Ls_84zcf7naXV53t3dfby4vbjsnelE7pR2fmJqc1QbkJALIQWjwSnLJg3Wgve5tryUMbnBh0g7QC8Wt8cFOJogz8vmU-5TTrxVLHfdzcbgsNmJay6i1aXm9MU1--q_kjQ1KiwY__gMf05rbf1qa6iUXUvOG4IRcTqVkDONTnvc2P48MxmMp47GU8VjKeCqlnXw4ncyI-JcrphUo8Rsp5YmQ</recordid><startdate>20060401</startdate><enddate>20060401</enddate><creator>Fawal, A.E.</creator><creator>Le Boudec, J.-Y.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>20060401</creationdate><title>A robust signal-detection method for ultra-wideband networks with uncontrolled interference</title><author>Fawal, A.E. ; Le Boudec, J.-Y.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c353t-68c2b16bca8904b3f047380d64242fac08d85a58407c7cfb8c0ed362a9dfab9f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Ad hoc networks</topic><topic>Channels</topic><topic>Computer vision</topic><topic>Concurrent transmissions</topic><topic>Infrared detectors</topic><topic>Infrared radiation</topic><topic>inter-user interference (IUI)</topic><topic>Interference</topic><topic>Mathematical models</topic><topic>near-far scenario</topic><topic>Networks</topic><topic>Phase detection</topic><topic>Physical layer</topic><topic>Proposals</topic><topic>Radio broadcasting</topic><topic>Robustness</topic><topic>signal acquisition</topic><topic>Synchronism</topic><topic>Trains</topic><topic>Ultra wideband technology</topic><topic>ultra-wideband (UWB)</topic><topic>Wideband communications</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fawal, A.E.</creatorcontrib><creatorcontrib>Le Boudec, J.-Y.</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>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><jtitle>IEEE transactions on microwave theory and techniques</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Fawal, A.E.</au><au>Le Boudec, J.-Y.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A robust signal-detection method for ultra-wideband networks with uncontrolled interference</atitle><jtitle>IEEE transactions on microwave theory and techniques</jtitle><stitle>TMTT</stitle><date>2006-04-01</date><risdate>2006</risdate><volume>54</volume><issue>4</issue><spage>1769</spage><epage>1781</epage><pages>1769-1781</pages><issn>0018-9480</issn><eissn>1557-9670</eissn><coden>IETMAB</coden><abstract>We propose a novel detection method for noncoherent synchronization (signal acquisition) in multi-user ultra-wideband (UWB) impulse radio (IR) networks. It is designed to solve the inter-user interference (IUI) that occurs in some ad-hoc networks where concurrent transmissions are allowed with heterogeneous power levels. In such scenarios, the conventional detection method, which is based on correlating the received IR signal with a template pulse train (TPT), does not always perform well. The complexity of our proposal is similar to that of the conventional method. We evaluate its performance with the line-of-sight (LOS) and the non-LOS (NLOS) office indoor channel models proposed by the IEEE P802.15.4a study group and find that the improvement is significant. We also investigate the particular case where the concurrent transmissions have the same time-hopping code, and we show that it does not result in collision. Such scenarios appear in ad-hoc networks that employ a common code for control or broadcast purposes.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TMTT.2006.872071</doi><tpages>13</tpages></addata></record> |
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| ispartof | IEEE transactions on microwave theory and techniques, 2006-04, Vol.54 (4), p.1769-1781 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Ad hoc networks Channels Computer vision Concurrent transmissions Infrared detectors Infrared radiation inter-user interference (IUI) Interference Mathematical models near-far scenario Networks Phase detection Physical layer Proposals Radio broadcasting Robustness signal acquisition Synchronism Trains Ultra wideband technology ultra-wideband (UWB) Wideband communications |
| title | A robust signal-detection method for ultra-wideband networks with uncontrolled interference |
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