{"id":"https://openalex.org/W2139459319","doi":"https://doi.org/10.1109/tcom.1985.1096287","title":"Comparison Between the Performance of QPSK, SQPSK, QPR, and SQPR Systems Over Microwave LOS Channels","display_name":"Comparison Between the Performance of QPSK, SQPSK, QPR, and SQPR Systems Over Microwave LOS Channels","publication_year":1985,"publication_date":"1985-01-01","ids":{"openalex":"https://openalex.org/W2139459319","doi":"https://doi.org/10.1109/tcom.1985.1096287","mag":"2139459319"},"language":"en","primary_location":{"id":"doi:10.1109/tcom.1985.1096287","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcom.1985.1096287","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on 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/A5009247867","display_name":"Kaveh Pahlavan","orcid":"https://orcid.org/0000-0001-7821-586X"},"institutions":[{"id":"https://openalex.org/I12912129","display_name":"Northeastern University","ror":"https://ror.org/04t5xt781","country_code":"US","type":"education","lineage":["https://openalex.org/I12912129"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"K. Pahlavan","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Northeastern University, Boston, MA, USA","Infinet, Inc., Andover, MA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Northeastern University, Boston, MA, USA","institution_ids":["https://openalex.org/I12912129"]},{"raw_affiliation_string":"Infinet, Inc., Andover, MA, USA","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5009247867"],"corresponding_institution_ids":["https://openalex.org/I12912129"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.22025608,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"33","issue":"3","first_page":"291","last_page":"296"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9958000183105469,"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"}},"topics":[{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9958000183105469,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9932000041007996,"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/T11873","display_name":"PAPR reduction in OFDM","score":0.987500011920929,"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/passband","display_name":"Passband","score":0.8386906385421753},{"id":"https://openalex.org/keywords/phase-shift-keying","display_name":"Phase-shift keying","score":0.7377510666847229},{"id":"https://openalex.org/keywords/adaptive-equalizer","display_name":"Adaptive equalizer","score":0.6861642599105835},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6090203523635864},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5558239817619324},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5551700592041016},{"id":"https://openalex.org/keywords/equalizer","display_name":"Equalizer","score":0.4708276093006134},{"id":"https://openalex.org/keywords/null","display_name":"Null (SQL)","score":0.4577876329421997},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2689359784126282},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.26231059432029724},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.24173840880393982},{"id":"https://openalex.org/keywords/band-pass-filter","display_name":"Band-pass filter","score":0.1285877227783203}],"concepts":[{"id":"https://openalex.org/C46416853","wikidata":"https://www.wikidata.org/wiki/Q254758","display_name":"Passband","level":3,"score":0.8386906385421753},{"id":"https://openalex.org/C186378180","wikidata":"https://www.wikidata.org/wiki/Q4874866","display_name":"Phase-shift keying","level":4,"score":0.7377510666847229},{"id":"https://openalex.org/C25125847","wikidata":"https://www.wikidata.org/wiki/Q4680741","display_name":"Adaptive equalizer","level":4,"score":0.6861642599105835},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6090203523635864},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5558239817619324},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5551700592041016},{"id":"https://openalex.org/C67545415","wikidata":"https://www.wikidata.org/wiki/Q5384218","display_name":"Equalizer","level":3,"score":0.4708276093006134},{"id":"https://openalex.org/C203763787","wikidata":"https://www.wikidata.org/wiki/Q371029","display_name":"Null (SQL)","level":2,"score":0.4577876329421997},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2689359784126282},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.26231059432029724},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.24173840880393982},{"id":"https://openalex.org/C147788027","wikidata":"https://www.wikidata.org/wiki/Q2718101","display_name":"Band-pass filter","level":2,"score":0.1285877227783203},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcom.1985.1096287","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcom.1985.1096287","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.6899999976158142,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1497415157","https://openalex.org/W1976240294","https://openalex.org/W1979227590","https://openalex.org/W2046555161","https://openalex.org/W2074135767","https://openalex.org/W2076224202","https://openalex.org/W2116629902","https://openalex.org/W2130917709","https://openalex.org/W2164319107","https://openalex.org/W2172082344","https://openalex.org/W3178924085","https://openalex.org/W6798242721"],"related_works":["https://openalex.org/W2352178434","https://openalex.org/W2979019709","https://openalex.org/W2134737891","https://openalex.org/W2366224618","https://openalex.org/W2170110141","https://openalex.org/W2045849368","https://openalex.org/W3083071902","https://openalex.org/W2310611082","https://openalex.org/W2018366688","https://openalex.org/W2385643241"],"abstract_inverted_index":{"This":[0],"paper":[1],"studies":[2],"the":[3,30,37,43,49,52,69,72,74],"effectiveness":[4],"of":[5,47,54,71,76],"adaptive":[6,60],"equalizers":[7],"used":[8],"with":[9,39,56],"QPSK,":[10],"SQPSK,":[11],"QPR,":[12],"and":[13,57],"SQPR":[14,83],"modems":[15,55,78],"over":[16],"frequency":[17],"selective":[18],"microwave":[19],"LOS":[20],"channels.":[21],"A":[22],"power":[23],"series":[24],"model":[25],"is":[26,62,79,100,109],"employed":[27],"to":[28,36],"represent":[29],"channel":[31],"model,":[32],"giving":[33],"special":[34],"attention":[35],"channels":[38],"a":[40,65,96,103],"null":[41,67],"in":[42,68],"passband.":[44],"The":[45,92],"effect":[46],"staggering":[48],"symbols":[50],"on":[51],"performance":[53,75,105],"without":[58],"an":[59],"equalizer":[61,99],"provided.":[63],"With":[64],"deep":[66],"passband":[70],"channel,":[73],"QPR":[77],"slightly":[80],"worse":[81],"than":[82],"modems,":[84],"while":[85],"QPSK":[86],"systems":[87],"significantly":[88],"outperform":[89],"SQPSK":[90],"systems.":[91],"general":[93],"conclusion":[94],"that":[95],"decision":[97],"feedback":[98],"required":[101],"for":[102],"robust":[104],"by":[106],"each":[107],"modem":[108],"reached.":[110]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
