{"id":"https://openalex.org/W2072618223","doi":"https://doi.org/10.1145/2398936.2398951","title":"Reducing the overhead of OFDM communications over underwater acoustic channels","display_name":"Reducing the overhead of OFDM communications over underwater acoustic channels","publication_year":2012,"publication_date":"2012-01-01","ids":{"openalex":"https://openalex.org/W2072618223","doi":"https://doi.org/10.1145/2398936.2398951","mag":"2072618223"},"language":"en","primary_location":{"id":"doi:10.1145/2398936.2398951","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2398936.2398951","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Seventh ACM International Conference on Underwater Networks and Systems - WUWNet '12","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/A5100415122","display_name":"Zhiqiang Liu","orcid":"https://orcid.org/0000-0003-2951-6150"},"institutions":[{"id":"https://openalex.org/I4210121626","display_name":"Signal Processing (United States)","ror":"https://ror.org/021gzyw51","country_code":"US","type":"company","lineage":["https://openalex.org/I4210121626"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Zhiqiang Liu","raw_affiliation_strings":["Acoustic Signal Processing and Systems, Washington, DC"],"affiliations":[{"raw_affiliation_string":"Acoustic Signal Processing and Systems, Washington, DC","institution_ids":["https://openalex.org/I4210121626"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101877647","display_name":"T. C. Yang","orcid":"https://orcid.org/0000-0002-9621-7276"},"institutions":[{"id":"https://openalex.org/I142974352","display_name":"National Sun Yat-sen University","ror":"https://ror.org/00mjawt10","country_code":"TW","type":"education","lineage":["https://openalex.org/I142974352"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"T. C. Yang","raw_affiliation_strings":["National Sun Yat-sen University, Kaohsiung, Taiwan","[National Sun-Yat Sen University, Kaohsiung, Taiwan]"],"affiliations":[{"raw_affiliation_string":"National Sun Yat-sen University, Kaohsiung, Taiwan","institution_ids":["https://openalex.org/I142974352"]},{"raw_affiliation_string":"[National Sun-Yat Sen University, Kaohsiung, Taiwan]","institution_ids":["https://openalex.org/I142974352"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5100415122"],"corresponding_institution_ids":["https://openalex.org/I4210121626"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.17060165,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"1"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11192","display_name":"Underwater Vehicles and Communication Systems","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T11192","display_name":"Underwater Vehicles and Communication Systems","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9984999895095825,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9923999905586243,"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/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.8783998489379883},{"id":"https://openalex.org/keywords/underwater-acoustic-communication","display_name":"Underwater acoustic communication","score":0.7192080020904541},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6487528085708618},{"id":"https://openalex.org/keywords/guard-interval","display_name":"Guard interval","score":0.6315532922744751},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5551087856292725},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.5483813285827637},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5246403813362122},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.4837927520275116},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.45101502537727356},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.42146578431129456},{"id":"https://openalex.org/keywords/underwater","display_name":"Underwater","score":0.34745579957962036},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3023683428764343},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2880644202232361}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.8783998489379883},{"id":"https://openalex.org/C169111936","wikidata":"https://www.wikidata.org/wiki/Q424098","display_name":"Underwater acoustic communication","level":3,"score":0.7192080020904541},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6487528085708618},{"id":"https://openalex.org/C2777796584","wikidata":"https://www.wikidata.org/wiki/Q1132816","display_name":"Guard interval","level":4,"score":0.6315532922744751},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5551087856292725},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.5483813285827637},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5246403813362122},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.4837927520275116},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.45101502537727356},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.42146578431129456},{"id":"https://openalex.org/C98083399","wikidata":"https://www.wikidata.org/wiki/Q3246517","display_name":"Underwater","level":2,"score":0.34745579957962036},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3023683428764343},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2880644202232361},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2398936.2398951","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2398936.2398951","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Seventh ACM International Conference on Underwater Networks and Systems - WUWNet '12","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","score":0.8299999833106995,"display_name":"Life below water"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321040","display_name":"National Science Council","ror":"https://ror.org/02kv4zf79"},{"id":"https://openalex.org/F4320334626","display_name":"Medical Research Council","ror":"https://ror.org/03x94j517"},{"id":"https://openalex.org/F4320337345","display_name":"Office of Naval Research","ror":"https://ror.org/00rk2pe57"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1598598453","https://openalex.org/W1977286964","https://openalex.org/W2021667698","https://openalex.org/W2028948338","https://openalex.org/W2059034839","https://openalex.org/W2078220650","https://openalex.org/W2094486285","https://openalex.org/W2131665779","https://openalex.org/W2148036654","https://openalex.org/W2149519389","https://openalex.org/W2163172977"],"related_works":["https://openalex.org/W145271134","https://openalex.org/W2113749299","https://openalex.org/W2288457356","https://openalex.org/W2766924773","https://openalex.org/W2026387472","https://openalex.org/W2150804860","https://openalex.org/W2133934421","https://openalex.org/W2143892907","https://openalex.org/W2248899616","https://openalex.org/W2905029538"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"propose":[4],"a":[5,97,114],"receiver":[6],"design":[7,25,73,93,108],"for":[8,46,66],"single-input":[9],"multiple-output":[10],"(SIMO)":[11],"orthogonal":[12],"frequency":[13],"division":[14],"multiplexing":[15],"(OFDM)":[16],"communications":[17],"over":[18,113],"underwater":[19],"acoustic":[20],"(UWA)":[21],"channels.":[22],"The":[23,69,91,100],"proposed":[24,92],"consists":[26],"of":[27,41,63,71,83,106],"two":[28],"key":[29],"components:":[30],"i)":[31],"time":[32,44],"reversal":[33],"based":[34],"symbol":[35],"detection":[36],"that":[37,59],"enables":[38],"the":[39,61,81,104],"use":[40],"short":[42],"guard":[43],"intervals":[45],"inter-block":[47],"interference":[48],"avoidance;":[49],"and":[50,109],"ii)":[51],"decision-directed":[52],"channel":[53,67],"tracking":[54],"with":[55,87],"error":[56],"propagation":[57],"control":[58],"eliminates":[60],"need":[62],"periodic":[64],"training":[65],"tracking.":[68],"goal":[70],"our":[72,107],"is":[74,94],"to":[75],"improve":[76],"bandwidth":[77],"efficiency":[78],"by":[79],"reducing":[80],"amount":[82],"overhead":[84],"typically":[85],"associated":[86],"SIMO-OFDM":[88],"UWA":[89],"communications.":[90],"tested":[95],"at":[96],"sea-going":[98],"experiment.":[99],"experimental":[101],"results":[102],"confirm":[103],"merits":[105],"demonstrate":[110],"considerable":[111],"improvements":[112],"competing":[115],"alternative.":[116]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
