{"id":"https://openalex.org/W1574967424","doi":"https://doi.org/10.1109/isit.2004.1365397","title":"On the maximal rate of square quasi-orthogonal designs","display_name":"On the maximal rate of square quasi-orthogonal designs","publication_year":2004,"publication_date":"2004-12-23","ids":{"openalex":"https://openalex.org/W1574967424","doi":"https://doi.org/10.1109/isit.2004.1365397","mag":"1574967424"},"language":"en","primary_location":{"id":"doi:10.1109/isit.2004.1365397","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2004.1365397","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Symposium onInformation Theory, 2004. ISIT 2004. Proceedings.","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/A5101055923","display_name":"Md. Zafar Ali Khan","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Md.Z.A. Khan","raw_affiliation_strings":["Insilca Semiconductors, Bangalore, India"],"affiliations":[{"raw_affiliation_string":"Insilca Semiconductors, Bangalore, India","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5015398340","display_name":"B. Sundar Rajan","orcid":"https://orcid.org/0000-0002-7847-0200"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"B.S. Rajan","raw_affiliation_strings":["ECE Department, I.I.Sc., Bangalore, India"],"affiliations":[{"raw_affiliation_string":"ECE Department, I.I.Sc., Bangalore, India","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5101055923"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3292,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.59635246,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"2","issue":null,"first_page":"360","last_page":"360"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11797","display_name":"graph theory and CDMA systems","score":0.9926999807357788,"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/T11797","display_name":"graph theory and CDMA systems","score":0.9926999807357788,"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/T11213","display_name":"Genomic variations and chromosomal abnormalities","score":0.9864000082015991,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11946","display_name":"Antenna Design and Optimization","score":0.9861000180244446,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/bounded-function","display_name":"Bounded function","score":0.6771711111068726},{"id":"https://openalex.org/keywords/square","display_name":"Square (algebra)","score":0.6185858249664307},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.5224548578262329},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.45013371109962463},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.41477108001708984},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.41018813848495483},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.39942634105682373},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.32089823484420776},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.12997159361839294},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.06920048594474792}],"concepts":[{"id":"https://openalex.org/C34388435","wikidata":"https://www.wikidata.org/wiki/Q2267362","display_name":"Bounded function","level":2,"score":0.6771711111068726},{"id":"https://openalex.org/C135692309","wikidata":"https://www.wikidata.org/wiki/Q111124","display_name":"Square (algebra)","level":2,"score":0.6185858249664307},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.5224548578262329},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.45013371109962463},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.41477108001708984},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.41018813848495483},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.39942634105682373},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.32089823484420776},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.12997159361839294},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.06920048594474792}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isit.2004.1365397","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2004.1365397","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Symposium onInformation Theory, 2004. ISIT 2004. Proceedings.","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W1572465883","https://openalex.org/W1994406803","https://openalex.org/W2110659753","https://openalex.org/W2144042251","https://openalex.org/W2164123306"],"related_works":["https://openalex.org/W3013085049","https://openalex.org/W1560496689","https://openalex.org/W4386900933","https://openalex.org/W4385301946","https://openalex.org/W3102623159","https://openalex.org/W2980963558","https://openalex.org/W4297797135","https://openalex.org/W3125672081","https://openalex.org/W1673581201","https://openalex.org/W2006389905"],"abstract_inverted_index":{"In":[0],"this":[1,38],"paper":[2],"we":[3],"show":[4,31],"that":[5,32],"the":[6],"maximal":[7],"rates":[8],"of":[9,35],"square":[10],"quasiorthogonal":[11],"designs":[12],"(QOD)":[13],"is":[14],"upper":[15],"bounded":[16],"by":[17],"2a/2":[18],"<sup":[19,24],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[20,25],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">a</sup>":[21,26],"for":[22],"N=2":[23],"transmit":[27],"antennas.":[28],"We":[29],"also":[30],"known":[33],"constructions":[34],"QODs":[36,46],"achieve":[37],"bound":[39],"with":[40],"equality":[41],"and":[42],"are":[43],"therefore":[44],"maximal-rate":[45]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
