Alternate binary offset carrier (AltBOC) signal acquisition device
The invention discloses an alternate binary offset carrier (AltBOC) signal acquisition device. The device comprises a sideband processing module, a correlator module, a decision variable generating module and a threshold decision module, wherein the sideband processing module comprises a sub-carrier...
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| creator | HUANG ZHIGANG GUO ZHENYANG CHEN XIALAN NONG XIAODONG WANG HAIFENG GENG SHENGQUN LI CEN YANG ZAIXIU |
| description | The invention discloses an alternate binary offset carrier (AltBOC) signal acquisition device. The device comprises a sideband processing module, a correlator module, a decision variable generating module and a threshold decision module, wherein the sideband processing module comprises a sub-carrier signal generator, a low pass filter and a multiplier; the correlator module comprises a spectrum-spreading code generator and an integrator; and the decision variable generating module comprises two component synthesizers, four comparators, an incoherent accumulator and three adders. In the device, the AltBOC signal is divided into two-path like quadrature phase-shift keying (QPSK) signals by frequency shift to eliminate the wrong acquisition caused by the sub-carrier signal of the AltBOC signal; and the upper and lower sideband signals of the AltBOC signal adopt an incoherent accumulation manner so as to reduce the complexity of realization. |
| format | Patent |
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The device comprises a sideband processing module, a correlator module, a decision variable generating module and a threshold decision module, wherein the sideband processing module comprises a sub-carrier signal generator, a low pass filter and a multiplier; the correlator module comprises a spectrum-spreading code generator and an integrator; and the decision variable generating module comprises two component synthesizers, four comparators, an incoherent accumulator and three adders. In the device, the AltBOC signal is divided into two-path like quadrature phase-shift keying (QPSK) signals by frequency shift to eliminate the wrong acquisition caused by the sub-carrier signal of the AltBOC signal; and the upper and lower sideband signals of the AltBOC signal adopt an incoherent accumulation manner so as to reduce the complexity of realization.</description><language>chi ; eng</language><subject>ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</subject><creationdate>2010</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20101201&DB=EPODOC&CC=CN&NR=101902423A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20101201&DB=EPODOC&CC=CN&NR=101902423A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HUANG ZHIGANG</creatorcontrib><creatorcontrib>GUO ZHENYANG</creatorcontrib><creatorcontrib>CHEN XIALAN</creatorcontrib><creatorcontrib>NONG XIAODONG</creatorcontrib><creatorcontrib>WANG HAIFENG</creatorcontrib><creatorcontrib>GENG SHENGQUN</creatorcontrib><creatorcontrib>LI CEN</creatorcontrib><creatorcontrib>YANG ZAIXIU</creatorcontrib><title>Alternate binary offset carrier (AltBOC) signal acquisition device</title><description>The invention discloses an alternate binary offset carrier (AltBOC) signal acquisition device. The device comprises a sideband processing module, a correlator module, a decision variable generating module and a threshold decision module, wherein the sideband processing module comprises a sub-carrier signal generator, a low pass filter and a multiplier; the correlator module comprises a spectrum-spreading code generator and an integrator; and the decision variable generating module comprises two component synthesizers, four comparators, an incoherent accumulator and three adders. In the device, the AltBOC signal is divided into two-path like quadrature phase-shift keying (QPSK) signals by frequency shift to eliminate the wrong acquisition caused by the sub-carrier signal of the AltBOC signal; and the upper and lower sideband signals of the AltBOC signal adopt an incoherent accumulation manner so as to reduce the complexity of realization.</description><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2010</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHByzClJLcpLLElVSMrMSyyqVMhPSytOLVFITiwqykwtUtAAKnDyd9ZUKM5Mz0vMUUhMLizNLM4syczPU0hJLctMTuVhYE1LzClO5YXS3AyKbq4hzh66qQX58anFBYnJqXmpJfHOfoYGhpYGRiZGxo7GxKgBAPlGMWY</recordid><startdate>20101201</startdate><enddate>20101201</enddate><creator>HUANG ZHIGANG</creator><creator>GUO ZHENYANG</creator><creator>CHEN XIALAN</creator><creator>NONG XIAODONG</creator><creator>WANG HAIFENG</creator><creator>GENG SHENGQUN</creator><creator>LI CEN</creator><creator>YANG ZAIXIU</creator><scope>EVB</scope></search><sort><creationdate>20101201</creationdate><title>Alternate binary offset carrier (AltBOC) signal acquisition device</title><author>HUANG ZHIGANG ; GUO ZHENYANG ; CHEN XIALAN ; NONG XIAODONG ; WANG HAIFENG ; GENG SHENGQUN ; LI CEN ; YANG ZAIXIU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN101902423A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2010</creationdate><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</topic><toplevel>online_resources</toplevel><creatorcontrib>HUANG ZHIGANG</creatorcontrib><creatorcontrib>GUO ZHENYANG</creatorcontrib><creatorcontrib>CHEN XIALAN</creatorcontrib><creatorcontrib>NONG XIAODONG</creatorcontrib><creatorcontrib>WANG HAIFENG</creatorcontrib><creatorcontrib>GENG SHENGQUN</creatorcontrib><creatorcontrib>LI CEN</creatorcontrib><creatorcontrib>YANG ZAIXIU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HUANG ZHIGANG</au><au>GUO ZHENYANG</au><au>CHEN XIALAN</au><au>NONG XIAODONG</au><au>WANG HAIFENG</au><au>GENG SHENGQUN</au><au>LI CEN</au><au>YANG ZAIXIU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Alternate binary offset carrier (AltBOC) signal acquisition device</title><date>2010-12-01</date><risdate>2010</risdate><abstract>The invention discloses an alternate binary offset carrier (AltBOC) signal acquisition device. The device comprises a sideband processing module, a correlator module, a decision variable generating module and a threshold decision module, wherein the sideband processing module comprises a sub-carrier signal generator, a low pass filter and a multiplier; the correlator module comprises a spectrum-spreading code generator and an integrator; and the decision variable generating module comprises two component synthesizers, four comparators, an incoherent accumulator and three adders. In the device, the AltBOC signal is divided into two-path like quadrature phase-shift keying (QPSK) signals by frequency shift to eliminate the wrong acquisition caused by the sub-carrier signal of the AltBOC signal; and the upper and lower sideband signals of the AltBOC signal adopt an incoherent accumulation manner so as to reduce the complexity of realization.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION |
| title | Alternate binary offset carrier (AltBOC) signal acquisition device |
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