MMSE multipath diversity combining for multi-access TH-UWB in the presence of NBI
The performance of asynchronous time-hopping ultra-wideband (TH-UWB) multiple access spread spectrum is analytically investigated in a UWB realistic multipath channel and in the presence of narrowband interference (NBI). In particular, an interference suppression receiver for TH-UWB wireless systems...
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| Veröffentlicht in: | IEEE transactions on wireless communications 2006-04, Vol.5 (4), p.712-719 |
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| creator | Boubaker, N. Letaief, K.B. |
| description | The performance of asynchronous time-hopping ultra-wideband (TH-UWB) multiple access spread spectrum is analytically investigated in a UWB realistic multipath channel and in the presence of narrowband interference (NBI). In particular, an interference suppression receiver for TH-UWB wireless systems is proposed. It consists of selecting the first strongest multipath components using an appropriate Rake receiver with the path diversity combining being based on the minimum mean square error criterion. Pulse position modulation and pulse amplitude modulation schemes are considered. The expressions of the signal-to-interference and noise ratio at the output of the selective Rake combiner, the system multi-access data rate as well as the conditional bit error rate are also derived. The impact of different parameters, such as the number of selected dominant paths, the NBI power as well as the time hopping sequence code on the system performance are studied. Results reveal that the proposed receiver can almost completely eliminate the effect of NBI. |
| doi_str_mv | 10.1109/TWC.2006.1618917 |
| format | Article |
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In particular, an interference suppression receiver for TH-UWB wireless systems is proposed. It consists of selecting the first strongest multipath components using an appropriate Rake receiver with the path diversity combining being based on the minimum mean square error criterion. Pulse position modulation and pulse amplitude modulation schemes are considered. The expressions of the signal-to-interference and noise ratio at the output of the selective Rake combiner, the system multi-access data rate as well as the conditional bit error rate are also derived. The impact of different parameters, such as the number of selected dominant paths, the NBI power as well as the time hopping sequence code on the system performance are studied. 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(IEEE) 2006</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c449t-db3e054ab569f30cef9dba1bfb719c54020c7dae2a538b0b5fae9fb96d6a9ded3</citedby><cites>FETCH-LOGICAL-c449t-db3e054ab569f30cef9dba1bfb719c54020c7dae2a538b0b5fae9fb96d6a9ded3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/1618917$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/1618917$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17679303$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Boubaker, N.</creatorcontrib><creatorcontrib>Letaief, K.B.</creatorcontrib><title>MMSE multipath diversity combining for multi-access TH-UWB in the presence of NBI</title><title>IEEE transactions on wireless communications</title><addtitle>TWC</addtitle><description>The performance of asynchronous time-hopping ultra-wideband (TH-UWB) multiple access spread spectrum is analytically investigated in a UWB realistic multipath channel and in the presence of narrowband interference (NBI). In particular, an interference suppression receiver for TH-UWB wireless systems is proposed. It consists of selecting the first strongest multipath components using an appropriate Rake receiver with the path diversity combining being based on the minimum mean square error criterion. Pulse position modulation and pulse amplitude modulation schemes are considered. The expressions of the signal-to-interference and noise ratio at the output of the selective Rake combiner, the system multi-access data rate as well as the conditional bit error rate are also derived. The impact of different parameters, such as the number of selected dominant paths, the NBI power as well as the time hopping sequence code on the system performance are studied. Results reveal that the proposed receiver can almost completely eliminate the effect of NBI.</description><subject>Amplitude modulation</subject><subject>Applied sciences</subject><subject>Channels</subject><subject>Diversity reception</subject><subject>Exact sciences and technology</subject><subject>Interference</subject><subject>Interference suppression</subject><subject>Mathematical analysis</subject><subject>Multipath channels</subject><subject>Multiple access</subject><subject>Narrowband</subject><subject>Performance analysis</subject><subject>Pulse modulation</subject><subject>Pulse position modulation</subject><subject>RAKE receivers</subject><subject>Rakes</subject><subject>Receivers</subject><subject>Spread spectrum</subject><subject>Spread spectrum communication</subject><subject>Systems, networks and services of telecommunications</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>Transmission and modulation (techniques and equipments)</subject><subject>Ultra wideband technology</subject><subject>Wideband communications</subject><issn>1536-1276</issn><issn>1558-2248</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp90c1LwzAYBvAiCs6Pu-AlCOqpM2mbpDm6MZ2wKeLEY0jSNy6ja2fSCf73Zmww8OApgfzeJyRPklwQ3CcEi7vZx7CfYcz6hJFSEH6Q9AilZZplRXm42ecsJRlnx8lJCAuMCWeU9pLX6fRthJbrunMr1c1R5b7BB9f9INMutWtc84ls67ciVcZACGg2Tt8_Bsg1qJsDWnkI0BhArUXPg6ez5MiqOsD5bj1N3h9Gs-E4nbw8Pg3vJ6kpCtGllc4B00JpyoTNsQErKq2ItpoTYWiBM2x4pSBTNC811tQqEFYLVjElKqjy0-R2m7vy7dcaQieXLhioa9VAuw6yFIxwSjmJ8uZfmZXxsvhrEV79gYt27Zv4ClkyJnBZZDQivEXGtyF4sHLl3VL5H0mw3FQhYxVyU4XcVRFHrne5KhhVW68a48J-jjMucpxHd7l1DgD2x7uUX5-0kRQ</recordid><startdate>20060401</startdate><enddate>20060401</enddate><creator>Boubaker, N.</creator><creator>Letaief, K.B.</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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| source | IEEE Electronic Library (IEL) |
| subjects | Amplitude modulation Applied sciences Channels Diversity reception Exact sciences and technology Interference Interference suppression Mathematical analysis Multipath channels Multiple access Narrowband Performance analysis Pulse modulation Pulse position modulation RAKE receivers Rakes Receivers Spread spectrum Spread spectrum communication Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Transmission and modulation (techniques and equipments) Ultra wideband technology Wideband communications |
| title | MMSE multipath diversity combining for multi-access TH-UWB in the presence of NBI |
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