{"id":"https://openalex.org/W2002589234","doi":"https://doi.org/10.12720/jcm.8.3.184-191","title":"Unequal Code-Length Code Structure for Better Acquisition Performance in Weak Signal Environment","display_name":"Unequal Code-Length Code Structure for Better Acquisition Performance in Weak Signal Environment","publication_year":2013,"publication_date":"2013-01-01","ids":{"openalex":"https://openalex.org/W2002589234","doi":"https://doi.org/10.12720/jcm.8.3.184-191","mag":"2002589234"},"language":"en","primary_location":{"id":"doi:10.12720/jcm.8.3.184-191","is_oa":false,"landing_page_url":"https://doi.org/10.12720/jcm.8.3.184-191","pdf_url":null,"source":{"id":"https://openalex.org/S184821498","display_name":"Journal of Communications","issn_l":"1796-2021","issn":["1796-2021","2374-4367"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4323867253","host_organization_name":"International Communication Association","host_organization_lineage":["https://openalex.org/P4323867253"],"host_organization_lineage_names":["International Communication Association"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Communications","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101422965","display_name":"Xiangli Zhang","orcid":"https://orcid.org/0000-0002-6112-9444"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xiang-li Zhang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5117766658","display_name":"Xiulin Hu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xiu-lin Hu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5102909720","display_name":"Zuping Tang","orcid":"https://orcid.org/0000-0002-7332-5522"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zu-ping Tang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.11190984,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"8","issue":"3","first_page":"184","last_page":"191"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12146","display_name":"Power Line Communications and Noise","score":0.9965000152587891,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6981937885284424},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.6541216373443604},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.45727258920669556},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4010065793991089},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.12369966506958008}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6981937885284424},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.6541216373443604},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.45727258920669556},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4010065793991089},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.12369966506958008},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.12720/jcm.8.3.184-191","is_oa":false,"landing_page_url":"https://doi.org/10.12720/jcm.8.3.184-191","pdf_url":null,"source":{"id":"https://openalex.org/S184821498","display_name":"Journal of Communications","issn_l":"1796-2021","issn":["1796-2021","2374-4367"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4323867253","host_organization_name":"International Communication Association","host_organization_lineage":["https://openalex.org/P4323867253"],"host_organization_lineage_names":["International Communication Association"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1994808744","https://openalex.org/W2030759397","https://openalex.org/W2038166203","https://openalex.org/W2061890801","https://openalex.org/W2123775785","https://openalex.org/W2125224059","https://openalex.org/W2132639726","https://openalex.org/W2134854911","https://openalex.org/W2138618802","https://openalex.org/W2140844481","https://openalex.org/W2141869479","https://openalex.org/W2154965434","https://openalex.org/W2168305171","https://openalex.org/W2216033512","https://openalex.org/W6678482066","https://openalex.org/W6680700332"],"related_works":["https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2051487156","https://openalex.org/W2073681303","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2317200988","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278"],"abstract_inverted_index":{"In":[0],"this":[1,30,54],"paper,":[2],"a":[3],"new":[4],"PRN":[5],"code":[6,12,20],"optimal":[7],"design":[8,55],"based":[9],"on":[10],"unequal-length":[11],"modulation":[13],"is":[14,73],"proposed.":[15],"The":[16],"better":[17],"performance":[18],"of":[19],"acquisition":[21,69],"in":[22],"weak":[23],"signals":[24,38],"will":[25],"be":[26],"achieved":[27],"by":[28],"using":[29],"method,":[31],"because":[32],"the":[33],"cross-":[34],"correlations":[35],"between":[36],"different":[37],"have":[39],"been":[40],"sliding,":[41],"thus":[42,71],"suppressing":[43],"multiple":[44],"access":[45],"interference":[46],"effectively.":[47],"Theoretical":[48],"analysis":[49],"and":[50,76],"simulation":[51],"show":[52],"that":[53],"has":[56],"predictive":[57],"power":[58],"for":[59],"compressing":[60],"multi-access":[61],"interference.":[62],"Meanwhile,":[63],"it":[64,72],"does":[65],"not":[66],"need":[67],"extra":[68],"effort,":[70],"convenient,":[74],"feasible":[75],"effective.":[77]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}