{"id":"https://openalex.org/W2149287269","doi":"https://doi.org/10.1109/tsp.2009.2029255","title":"Mitigating channel estimation error with timing synchronization tradeoff in cooperative communications","display_name":"Mitigating channel estimation error with timing synchronization tradeoff in cooperative communications","publication_year":2009,"publication_date":"2009-08-07","ids":{"openalex":"https://openalex.org/W2149287269","doi":"https://doi.org/10.1109/tsp.2009.2029255","mag":"2149287269"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2009.2029255","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2009.2029255","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Signal Processing","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/A5002806452","display_name":"Ahmed S. Ibrahim","orcid":"https://orcid.org/0000-0002-6206-6625"},"institutions":[{"id":"https://openalex.org/I145487455","display_name":"Cairo University","ror":"https://ror.org/03q21mh05","country_code":"EG","type":"education","lineage":["https://openalex.org/I145487455"]}],"countries":["EG"],"is_corresponding":true,"raw_author_name":"Ahmed S. Ibrahim","raw_affiliation_strings":["Electronics and Electrical Communications Department, Cairo University, Cairo, Egypt"],"affiliations":[{"raw_affiliation_string":"Electronics and Electrical Communications Department, Cairo University, Cairo, Egypt","institution_ids":["https://openalex.org/I145487455"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032395820","display_name":"K. J. Ray Liu","orcid":"https://orcid.org/0000-0001-5469-5811"},"institutions":[{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"K.J. Ray Liu","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Maryland, College Park, MD, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Maryland, College Park, MD, USA","institution_ids":["https://openalex.org/I66946132"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5002806452"],"corresponding_institution_ids":["https://openalex.org/I145487455"],"apc_list":null,"apc_paid":null,"fwci":4.7131,"has_fulltext":false,"cited_by_count":32,"citation_normalized_percentile":{"value":0.95271661,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"58","issue":"1","first_page":"337","last_page":"348"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":1.0,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":1.0,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9975000023841858,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9973000288009644,"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/channel","display_name":"Channel (broadcasting)","score":0.7795836925506592},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6692501902580261},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.6312862634658813},{"id":"https://openalex.org/keywords/synchronization","display_name":"Synchronization (alternating current)","score":0.6209781169891357},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.5490649938583374},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.5161617398262024},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4552728831768036},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.44399189949035645},{"id":"https://openalex.org/keywords/maximal-ratio-combining","display_name":"Maximal-ratio combining","score":0.4139513671398163},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3400929570198059},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.33970314264297485},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2990146577358246},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.06972306966781616}],"concepts":[{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.7795836925506592},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6692501902580261},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.6312862634658813},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.6209781169891357},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.5490649938583374},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.5161617398262024},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4552728831768036},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.44399189949035645},{"id":"https://openalex.org/C86024645","wikidata":"https://www.wikidata.org/wiki/Q6795632","display_name":"Maximal-ratio combining","level":4,"score":0.4139513671398163},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3400929570198059},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.33970314264297485},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2990146577358246},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.06972306966781616},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tsp.2009.2029255","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2009.2029255","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Signal Processing","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.409.5215","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.409.5215","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cspl.umd.edu/asibrahim/Ibrahim_ChannelEstimation_TSP09.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.419.7869","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.419.7869","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://sig.umd.edu/publications/Ibrahim_TSP_201001.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/17","display_name":"Partnerships for the goals","score":0.44999998807907104}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W1616233549","https://openalex.org/W1997834106","https://openalex.org/W2020498324","https://openalex.org/W2026898705","https://openalex.org/W2098012524","https://openalex.org/W2104335112","https://openalex.org/W2108485037","https://openalex.org/W2112288324","https://openalex.org/W2121233130","https://openalex.org/W2125668934","https://openalex.org/W2127531738","https://openalex.org/W2133475491","https://openalex.org/W2144778327","https://openalex.org/W2145469294","https://openalex.org/W2149171456","https://openalex.org/W2152121970","https://openalex.org/W2161850939","https://openalex.org/W2166951870","https://openalex.org/W2169444946","https://openalex.org/W2170102104","https://openalex.org/W2170596266","https://openalex.org/W2798333393","https://openalex.org/W2988353622","https://openalex.org/W4245808720","https://openalex.org/W6655810505","https://openalex.org/W6676604447"],"related_works":["https://openalex.org/W1972895463","https://openalex.org/W2106060791","https://openalex.org/W2096290492","https://openalex.org/W2114966992","https://openalex.org/W4304208086","https://openalex.org/W1982854057","https://openalex.org/W2550439779","https://openalex.org/W202123665","https://openalex.org/W1531722310","https://openalex.org/W2030258072"],"abstract_inverted_index":{"Channel":[0],"estimation":[1,35,75,84,143,162,191,226,252],"error":[2,36,76,144,163,167,199,222],"and":[3,37,48,223,228,254],"cochannel":[4],"interference":[5],"(CCI)":[6],"problems":[7],"are":[8,56,135,179,260],"among":[9],"the":[10,24,31,44,49,67,70,82,89,128,139,151,157,160,176,185,189,193,196,203,204,216,219,224,234,250,256,265],"main":[11,40],"causes":[12],"of":[13,26,33,127,141,153,159,195,206,267],"performance":[14,41],"degradation":[15],"in":[16,69,106,119,169,174,245],"wireless":[17],"networks.":[18],"In":[19,210],"this":[20,211],"paper,":[21],"we":[22,86,213,238],"investigate":[23],"impact":[25,232],"cooperative":[27,96,103,132,172,257],"communications":[28],"on":[29,233],"mitigating":[30],"effect":[32,140,158,194,266],"channel":[34,74,83,142,161,190,225,251],"CCI.":[38,78,268],"Two":[39],"criteria,":[42],"namely,":[43],"traditional":[45],"outage":[46,90],"probability":[47,91],"proposed":[50],"signal-to-noise":[51],"ratio":[52,65,123],"(SNR)":[53],"gap":[54,64,122],"ratio,":[55],"utilized":[57],"to":[58,73,125,138,146,249,264],"characterize":[59],"such":[60],"impact.":[61],"The":[62],"SNR":[63,71,121],"measures":[66],"reduction":[68],"due":[72],"or":[77],"Taking":[79],"into":[80],"consideration":[81],"error,":[85,192,227,253],"show":[87,101,229],"that":[88,102,126,240],"is":[92],"reduced":[93],"by":[94],"utilizing":[95],"transmission":[97,104,133,258],"protocols.":[98],"We":[99],"also":[100,214,261],"scenarios,":[105],"which":[107,175],"each":[108],"cooperating":[109,154,177,207],"relay":[110],"forwards":[111],"its":[112],"signal":[113],"over":[114,184],"an":[115],"orthogonal":[116],"channel,":[117],"result":[118],"lower":[120],"compared":[124,145],"direct":[129,147],"transmission.":[130,148],"Thus,":[131],"schemes":[134,259],"less":[136,262],"susceptible":[137,263],"Moreover,":[149],"increasing":[150],"number":[152,205],"relays":[155,178,208],"reduces":[156],"more.":[164],"Timing":[165],"synchronization":[166,198,221],"arises":[168],"distributed":[170],"space-time":[171],"schemes,":[173],"simultaneously":[180],"transmitting":[181],"their":[182,230],"signals":[183],"same":[186],"channel.":[187],"Unlike":[188],"timing":[197,220],"gets":[200],"worse":[201],"as":[202],"increases.":[209],"work":[212],"study":[215],"tradeoff":[217],"between":[218],"net":[231],"system":[235],"performance.":[236],"Finally,":[237],"illustrate":[239],"CCI":[241],"can":[242],"be":[243],"modeled":[244],"a":[246],"similar":[247],"fashion":[248],"hence":[255]},"counts_by_year":[{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":3},{"year":2014,"cited_by_count":7},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":3}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}