{"id":"https://openalex.org/W4415398624","doi":"https://doi.org/10.1109/tcomm.2025.3624166","title":"Sparse Regression Codes for Non-Coherent SIMO Channels","display_name":"Sparse Regression Codes for Non-Coherent SIMO Channels","publication_year":2025,"publication_date":"2025-10-21","ids":{"openalex":"https://openalex.org/W4415398624","doi":"https://doi.org/10.1109/tcomm.2025.3624166"},"language":null,"primary_location":{"id":"doi:10.1109/tcomm.2025.3624166","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2025.3624166","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/A5098684060","display_name":"Sai Dinesh Kancharana","orcid":"https://orcid.org/0000-0003-2451-4041"},"institutions":[{"id":"https://openalex.org/I24676775","display_name":"Indian Institute of Technology Madras","ror":"https://ror.org/03v0r5n49","country_code":"IN","type":"facility","lineage":["https://openalex.org/I24676775"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Sai Dinesh Kancharana","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai, Tamil Nadu, India"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai, Tamil Nadu, India","institution_ids":["https://openalex.org/I24676775"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080936323","display_name":"Madhusudan Kumar Sinha","orcid":"https://orcid.org/0000-0001-8729-6470"},"institutions":[{"id":"https://openalex.org/I24676775","display_name":"Indian Institute of Technology Madras","ror":"https://ror.org/03v0r5n49","country_code":"IN","type":"facility","lineage":["https://openalex.org/I24676775"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Madhusudan Kumar Sinha","raw_affiliation_strings":["Qualcomm India Pvt. Ltd., Bengaluru, India","Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai, Tamil Nadu, India"],"affiliations":[{"raw_affiliation_string":"Qualcomm India Pvt. Ltd., Bengaluru, India","institution_ids":[]},{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai, Tamil Nadu, India","institution_ids":["https://openalex.org/I24676775"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5010562794","display_name":"Arun Pachai Kannu","orcid":"https://orcid.org/0000-0003-0042-2425"},"institutions":[{"id":"https://openalex.org/I24676775","display_name":"Indian Institute of Technology Madras","ror":"https://ror.org/03v0r5n49","country_code":"IN","type":"facility","lineage":["https://openalex.org/I24676775"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Arun Pachai Kannu","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai, Tamil Nadu, India"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai, Tamil Nadu, India","institution_ids":["https://openalex.org/I24676775"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5098684060"],"corresponding_institution_ids":["https://openalex.org/I24676775"],"apc_list":null,"apc_paid":null,"fwci":0.8194,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.79971454,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"74","issue":null,"first_page":"337","last_page":"349"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","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"}},"topics":[{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","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"}},{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.989799976348877,"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/T11946","display_name":"Antenna Design and Optimization","score":0.9869999885559082,"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/greedy-algorithm","display_name":"Greedy algorithm","score":0.6036999821662903},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.5350000262260437},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5274999737739563},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.5076000094413757},{"id":"https://openalex.org/keywords/matching-pursuit","display_name":"Matching pursuit","score":0.48899999260902405},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.47440001368522644},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.47110000252723694},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.4027000069618225},{"id":"https://openalex.org/keywords/error-detection-and-correction","display_name":"Error detection and correction","score":0.3919000029563904},{"id":"https://openalex.org/keywords/block-code","display_name":"Block code","score":0.39160001277923584}],"concepts":[{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6740000247955322},{"id":"https://openalex.org/C51823790","wikidata":"https://www.wikidata.org/wiki/Q504353","display_name":"Greedy algorithm","level":2,"score":0.6036999821662903},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5774999856948853},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.5350000262260437},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5274999737739563},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.5076000094413757},{"id":"https://openalex.org/C156872377","wikidata":"https://www.wikidata.org/wiki/Q6786281","display_name":"Matching pursuit","level":3,"score":0.48899999260902405},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.47440001368522644},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.47110000252723694},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.4027000069618225},{"id":"https://openalex.org/C103088060","wikidata":"https://www.wikidata.org/wiki/Q1062839","display_name":"Error detection and correction","level":2,"score":0.3919000029563904},{"id":"https://openalex.org/C157125643","wikidata":"https://www.wikidata.org/wiki/Q884707","display_name":"Block code","level":3,"score":0.39160001277923584},{"id":"https://openalex.org/C157899210","wikidata":"https://www.wikidata.org/wiki/Q1395022","display_name":"Convolutional code","level":3,"score":0.38429999351501465},{"id":"https://openalex.org/C114504821","wikidata":"https://www.wikidata.org/wiki/Q2164281","display_name":"Turbo code","level":3,"score":0.3783999979496002},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.35679998993873596},{"id":"https://openalex.org/C152948882","wikidata":"https://www.wikidata.org/wiki/Q4060686","display_name":"Belief propagation","level":3,"score":0.34060001373291016},{"id":"https://openalex.org/C78944582","wikidata":"https://www.wikidata.org/wiki/Q5158264","display_name":"Concatenated error correction code","level":4,"score":0.33480000495910645},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.33000001311302185},{"id":"https://openalex.org/C202932441","wikidata":"https://www.wikidata.org/wiki/Q55611017","display_name":"Forward error correction","level":3,"score":0.3248000144958496},{"id":"https://openalex.org/C77637269","wikidata":"https://www.wikidata.org/wiki/Q7002051","display_name":"Neural coding","level":2,"score":0.3208000063896179},{"id":"https://openalex.org/C49781872","wikidata":"https://www.wikidata.org/wiki/Q1045555","display_name":"Maximum likelihood","level":2,"score":0.301800012588501},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.29899999499320984},{"id":"https://openalex.org/C97744766","wikidata":"https://www.wikidata.org/wiki/Q870845","display_name":"Channel capacity","level":3,"score":0.27469998598098755},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.2727999985218048},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.2703999876976013},{"id":"https://openalex.org/C33529081","wikidata":"https://www.wikidata.org/wiki/Q18378194","display_name":"Serial concatenated convolutional codes","level":5,"score":0.262800008058548},{"id":"https://openalex.org/C854659","wikidata":"https://www.wikidata.org/wiki/Q1859284","display_name":"Message passing","level":2,"score":0.26249998807907104},{"id":"https://openalex.org/C123614077","wikidata":"https://www.wikidata.org/wiki/Q1364905","display_name":"Propagation of uncertainty","level":2,"score":0.2549999952316284},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.2547000050544739},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.2540999948978424},{"id":"https://openalex.org/C166366890","wikidata":"https://www.wikidata.org/wiki/Q602136","display_name":"Channel code","level":3,"score":0.2506999969482422}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2025.3624166","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2025.3624166","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":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":53,"referenced_works":["https://openalex.org/W1837352444","https://openalex.org/W1909826856","https://openalex.org/W1966946151","https://openalex.org/W1984386576","https://openalex.org/W2020282020","https://openalex.org/W2039957496","https://openalex.org/W2044180609","https://openalex.org/W2046938896","https://openalex.org/W2049808850","https://openalex.org/W2082029531","https://openalex.org/W2092639489","https://openalex.org/W2100272909","https://openalex.org/W2103539935","https://openalex.org/W2106045225","https://openalex.org/W2106864314","https://openalex.org/W2115196384","https://openalex.org/W2116148865","https://openalex.org/W2127271355","https://openalex.org/W2135780853","https://openalex.org/W2150498905","https://openalex.org/W2166347904","https://openalex.org/W2170993328","https://openalex.org/W2619204584","https://openalex.org/W2623790011","https://openalex.org/W2747773209","https://openalex.org/W2807964302","https://openalex.org/W2904380145","https://openalex.org/W2905459276","https://openalex.org/W2922358819","https://openalex.org/W2945463326","https://openalex.org/W2963717880","https://openalex.org/W2963829778","https://openalex.org/W2964071011","https://openalex.org/W2964080260","https://openalex.org/W3007447106","https://openalex.org/W3018202567","https://openalex.org/W3026701167","https://openalex.org/W3110950550","https://openalex.org/W3131690170","https://openalex.org/W3176790533","https://openalex.org/W3210286783","https://openalex.org/W4210277343","https://openalex.org/W4210495296","https://openalex.org/W4248709896","https://openalex.org/W4296126917","https://openalex.org/W4389544682","https://openalex.org/W4390480858","https://openalex.org/W4390873740","https://openalex.org/W4391936116","https://openalex.org/W4403407975","https://openalex.org/W4404294285","https://openalex.org/W4406610842","https://openalex.org/W4415367455"],"related_works":[],"abstract_inverted_index":{"Motivated":[0],"by":[1,136],"hyper-reliable":[2],"low-latency":[3],"communication":[4],"in":[5,16,140],"6G,":[6],"we":[7,145,163],"consider":[8],"error":[9,138],"control":[10],"coding":[11],"for":[12,64,77,119,154,169],"short":[13],"block":[14],"lengths":[15],"multi-antenna":[17],"SIMO":[18,157],"flat-fading":[19,66,158],"channels.":[20],"In":[21,143],"general,":[22],"the":[23,31,114,155,166],"channel":[24,50,187],"fading":[25],"coefficients":[26],"are":[27,46,106],"unknown":[28],"at":[29],"both":[30],"transmitter":[32],"and":[33,54,173,189],"receiver,":[34],"which":[35,105],"is":[36],"referred":[37,84],"to":[38,48,85,101,133],"as":[39,86,99],"a":[40,73],"non-coherent":[41,65,156,193],"channel.":[42],"Conventionally,":[43],"pilot":[44],"symbols":[45],"transmitted":[47],"facilitate":[49],"estimation,":[51],"causing":[52],"power":[53],"bandwidth":[55],"overhead.":[56],"Our":[57],"paper":[58],"considers":[59],"sparse":[60],"regression":[61],"codes":[62,184,191],"(SPARCs)":[63],"channels":[67],"without":[68],"using":[69,79],"pilots.":[70],"We":[71,111,124],"develop":[72,146],"novel":[74],"greedy":[75,103,141,175],"decoder":[76,153,168,181],"SPARC":[78,152,170,178],"maximum":[80,87],"likelihood":[81,88],"(ML)":[82],"principles,":[83],"matching":[89],"pursuit":[90],"(MLMP).":[91],"MLMP":[92,167],"works":[93],"based":[94,107],"on":[95,108],"successive":[96,109,121],"combining":[97,122],"principles":[98],"opposed":[100],"conventional":[102],"algorithms,":[104],"cancellation.":[110],"also":[112],"obtain":[113],"noiseless":[115],"perfect":[116],"recovery":[117],"condition":[118],"our":[120],"algorithm.":[123],"further":[125],"introduce":[126],"an":[127,147],"enhanced":[128],"version":[129],"named":[130],"parallel-MLMP":[131],"(P-MLMP)":[132],"improve":[134],"performance":[135],"mitigating":[137],"propagation":[139],"methods.":[142],"addition,":[144],"approximate":[148],"message":[149],"passing":[150],"(AMP)":[151],"model.":[159],"Using":[160],"simulation":[161],"studies,":[162],"show":[164],"that":[165],"outperforms":[171,182],"AMP":[172],"other":[174],"decoders.":[176,194],"Also,":[177],"with":[179,192],"P-MLMP":[180],"polar":[183,190],"employing":[185],"pilot-based":[186],"estimation":[188]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-03-07T16:01:11.037858","created_date":"2025-10-22T00:00:00"}