{"id":"https://openalex.org/W1498818121","doi":"https://doi.org/10.1109/pimrc.2004.1368803","title":"Transmit diversity schemes for an overloaded space-time spreading system over a flat Rayleigh fading channel","display_name":"Transmit diversity schemes for an overloaded space-time spreading system over a flat Rayleigh fading channel","publication_year":2005,"publication_date":"2005-01-17","ids":{"openalex":"https://openalex.org/W1498818121","doi":"https://doi.org/10.1109/pimrc.2004.1368803","mag":"1498818121"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc.2004.1368803","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2004.1368803","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754)","raw_type":"proceedings-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/A5059694624","display_name":"Dianjun Chen","orcid":null},"institutions":[{"id":"https://openalex.org/I20529979","display_name":"University of Electro-Communications","ror":"https://ror.org/02x73b849","country_code":"JP","type":"education","lineage":["https://openalex.org/I20529979"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Dianjun Chen","raw_affiliation_strings":["Department of Electronic Engineering, University of Electro-Communications, Chofu, Tokyo, Japan","Dept. of Electron. Eng., Electro-Commun. Univ., Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, University of Electro-Communications, Chofu, Tokyo, Japan","institution_ids":["https://openalex.org/I20529979"]},{"raw_affiliation_string":"Dept. of Electron. Eng., Electro-Commun. Univ., Tokyo, Japan","institution_ids":["https://openalex.org/I20529979"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103259573","display_name":"Takeshi Hashimoto","orcid":"https://orcid.org/0000-0003-2668-1759"},"institutions":[{"id":"https://openalex.org/I20529979","display_name":"University of Electro-Communications","ror":"https://ror.org/02x73b849","country_code":"JP","type":"education","lineage":["https://openalex.org/I20529979"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"T. Hashimoto","raw_affiliation_strings":["Department of Electronic Engineering, University of Electro-Communications, Chofu, Tokyo, Japan","Dept. of Electron. Eng., Electro-Commun. Univ., Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, University of Electro-Communications, Chofu, Tokyo, Japan","institution_ids":["https://openalex.org/I20529979"]},{"raw_affiliation_string":"Dept. of Electron. Eng., Electro-Commun. Univ., Tokyo, Japan","institution_ids":["https://openalex.org/I20529979"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5059694624"],"corresponding_institution_ids":["https://openalex.org/I20529979"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.07492874,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"2664","last_page":"2668"},"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/T10796","display_name":"Cooperative Communication and Network Coding","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"}}],"keywords":[{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.7471977472305298},{"id":"https://openalex.org/keywords/rayleigh-fading","display_name":"Rayleigh fading","score":0.6913959980010986},{"id":"https://openalex.org/keywords/transmit-diversity","display_name":"Transmit diversity","score":0.6731786727905273},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6254081726074219},{"id":"https://openalex.org/keywords/diversity-gain","display_name":"Diversity gain","score":0.6113840341567993},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.61043781042099},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5835781097412109},{"id":"https://openalex.org/keywords/diversity-scheme","display_name":"Diversity scheme","score":0.5296062231063843},{"id":"https://openalex.org/keywords/constant","display_name":"Constant (computer programming)","score":0.5198469758033752},{"id":"https://openalex.org/keywords/diversity","display_name":"Diversity (politics)","score":0.4935821294784546},{"id":"https://openalex.org/keywords/antenna-diversity","display_name":"Antenna diversity","score":0.4828279912471771},{"id":"https://openalex.org/keywords/amplitude","display_name":"Amplitude","score":0.4585838317871094},{"id":"https://openalex.org/keywords/cooperative-diversity","display_name":"Cooperative diversity","score":0.44639596343040466},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.4212465286254883},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3825855851173401},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.33575889468193054},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.21930110454559326},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.16593611240386963},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1504283845424652},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.13492387533187866},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.06063210964202881}],"concepts":[{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.7471977472305298},{"id":"https://openalex.org/C56985126","wikidata":"https://www.wikidata.org/wiki/Q854039","display_name":"Rayleigh fading","level":4,"score":0.6913959980010986},{"id":"https://openalex.org/C117218131","wikidata":"https://www.wikidata.org/wiki/Q7834664","display_name":"Transmit diversity","level":4,"score":0.6731786727905273},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6254081726074219},{"id":"https://openalex.org/C164785522","wikidata":"https://www.wikidata.org/wiki/Q5283966","display_name":"Diversity gain","level":4,"score":0.6113840341567993},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.61043781042099},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5835781097412109},{"id":"https://openalex.org/C198746922","wikidata":"https://www.wikidata.org/wiki/Q1230593","display_name":"Diversity scheme","level":4,"score":0.5296062231063843},{"id":"https://openalex.org/C2777027219","wikidata":"https://www.wikidata.org/wiki/Q1284190","display_name":"Constant (computer programming)","level":2,"score":0.5198469758033752},{"id":"https://openalex.org/C2781316041","wikidata":"https://www.wikidata.org/wiki/Q1230584","display_name":"Diversity (politics)","level":2,"score":0.4935821294784546},{"id":"https://openalex.org/C60069766","wikidata":"https://www.wikidata.org/wiki/Q357054","display_name":"Antenna diversity","level":3,"score":0.4828279912471771},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.4585838317871094},{"id":"https://openalex.org/C6832461","wikidata":"https://www.wikidata.org/wiki/Q5167914","display_name":"Cooperative diversity","level":4,"score":0.44639596343040466},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4212465286254883},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3825855851173401},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.33575889468193054},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.21930110454559326},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.16593611240386963},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1504283845424652},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.13492387533187866},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.06063210964202881},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C19165224","wikidata":"https://www.wikidata.org/wiki/Q23404","display_name":"Anthropology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/pimrc.2004.1368803","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2004.1368803","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1525805053","https://openalex.org/W2099017268","https://openalex.org/W2102337980","https://openalex.org/W2103035110","https://openalex.org/W2110659753","https://openalex.org/W2118040894","https://openalex.org/W2129766733","https://openalex.org/W2133475491","https://openalex.org/W2138849267"],"related_works":["https://openalex.org/W2106419665","https://openalex.org/W2356024050","https://openalex.org/W2109048640","https://openalex.org/W2184020688","https://openalex.org/W189118074","https://openalex.org/W2012008471","https://openalex.org/W2158609028","https://openalex.org/W2152852312","https://openalex.org/W2141820197","https://openalex.org/W2163780539"],"abstract_inverted_index":{"We":[0],"consider":[1],"two":[2],"schemes":[3],"for":[4],"an":[5],"overloaded":[6],"space-time":[7],"spreading":[8],"system.":[9],"One":[10],"is":[11,29],"to":[12,30],"realize":[13],"tradeoffs":[14],"between":[15],"the":[16,21],"number":[17],"of":[18],"users":[19],"and":[20],"diversity":[22,33],"gain":[23],"with":[24],"constant":[25],"signal":[26,38],"amplitudes.":[27,39],"Another":[28],"achieve":[31],"great":[32],"order":[34],"by":[35],"varying":[36],"user":[37],"For":[40],"each":[41],"scheme":[42],"we":[43],"give":[44],"some":[45],"simulation":[46],"results.":[47]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
