{"id":"https://openalex.org/W2991313273","doi":"https://doi.org/10.23919/softcom.2019.8903786","title":"Spectrum Allocation and Power Management using Markov Chains and Beamforming in Underlay Cognitive Radios","display_name":"Spectrum Allocation and Power Management using Markov Chains and Beamforming in Underlay Cognitive Radios","publication_year":2019,"publication_date":"2019-09-01","ids":{"openalex":"https://openalex.org/W2991313273","doi":"https://doi.org/10.23919/softcom.2019.8903786","mag":"2991313273"},"language":"en","primary_location":{"id":"doi:10.23919/softcom.2019.8903786","is_oa":false,"landing_page_url":"https://doi.org/10.23919/softcom.2019.8903786","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 International Conference on Software, Telecommunications and Computer Networks (SoftCOM)","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/A5085087112","display_name":"Sasank Gurajapu","orcid":null},"institutions":[{"id":"https://openalex.org/I1317621060","display_name":"Indian Institute of Technology Guwahati","ror":"https://ror.org/0022nd079","country_code":"IN","type":"education","lineage":["https://openalex.org/I1317621060"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Sasank Gurajapu","raw_affiliation_strings":["Indian Institute of Technology Guwahati,Department of Electronics and Electrical Engineering,Guwahati,India","Department of Electronics and Electrical Engineering, Indian Institute of Technology Guwahati, Guwahati, India"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Guwahati,Department of Electronics and Electrical Engineering,Guwahati,India","institution_ids":["https://openalex.org/I1317621060"]},{"raw_affiliation_string":"Department of Electronics and Electrical Engineering, Indian Institute of Technology Guwahati, Guwahati, India","institution_ids":["https://openalex.org/I1317621060"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048157572","display_name":"Sarvesh Raj","orcid":null},"institutions":[{"id":"https://openalex.org/I1317621060","display_name":"Indian Institute of Technology Guwahati","ror":"https://ror.org/0022nd079","country_code":"IN","type":"education","lineage":["https://openalex.org/I1317621060"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sarvesh Raj","raw_affiliation_strings":["Indian Institute of Technology Guwahati,Department of Electronics and Electrical Engineering,Guwahati,India","Department of Electronics and Electrical Engineering, Indian Institute of Technology Guwahati, Guwahati, India"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Guwahati,Department of Electronics and Electrical Engineering,Guwahati,India","institution_ids":["https://openalex.org/I1317621060"]},{"raw_affiliation_string":"Department of Electronics and Electrical Engineering, Indian Institute of Technology Guwahati, Guwahati, India","institution_ids":["https://openalex.org/I1317621060"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074190570","display_name":"Sonali Chouhan","orcid":"https://orcid.org/0000-0003-4812-5200"},"institutions":[{"id":"https://openalex.org/I1317621060","display_name":"Indian Institute of Technology Guwahati","ror":"https://ror.org/0022nd079","country_code":"IN","type":"education","lineage":["https://openalex.org/I1317621060"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sonali Chouhan","raw_affiliation_strings":["Indian Institute of Technology Guwahati,Department of Electronics and Electrical Engineering,Guwahati,India","Department of Electronics and Electrical Engineering, Indian Institute of Technology Guwahati, Guwahati, India"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Guwahati,Department of Electronics and Electrical Engineering,Guwahati,India","institution_ids":["https://openalex.org/I1317621060"]},{"raw_affiliation_string":"Department of Electronics and Electrical Engineering, Indian Institute of Technology Guwahati, Guwahati, India","institution_ids":["https://openalex.org/I1317621060"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5085087112"],"corresponding_institution_ids":["https://openalex.org/I1317621060"],"apc_list":null,"apc_paid":null,"fwci":0.1768,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.56007342,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9983999729156494,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9970999956130981,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/underlay","display_name":"Underlay","score":0.8861903548240662},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.8780919909477234},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.807280421257019},{"id":"https://openalex.org/keywords/spectrum-management","display_name":"Spectrum management","score":0.7148429155349731},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.5929166078567505},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5830424427986145},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.5497482419013977},{"id":"https://openalex.org/keywords/cognitive-network","display_name":"Cognitive network","score":0.4801841974258423},{"id":"https://openalex.org/keywords/markov-process","display_name":"Markov process","score":0.46708250045776367},{"id":"https://openalex.org/keywords/markov-chain","display_name":"Markov chain","score":0.45717552304267883},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4365120232105255},{"id":"https://openalex.org/keywords/frequency-allocation","display_name":"Frequency allocation","score":0.43455618619918823},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.41227710247039795},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.3323015570640564},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3063654899597168},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.07987713813781738},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.06682795286178589}],"concepts":[{"id":"https://openalex.org/C2777679929","wikidata":"https://www.wikidata.org/wiki/Q7883709","display_name":"Underlay","level":3,"score":0.8861903548240662},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.8780919909477234},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.807280421257019},{"id":"https://openalex.org/C63029442","wikidata":"https://www.wikidata.org/wiki/Q6504978","display_name":"Spectrum management","level":4,"score":0.7148429155349731},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.5929166078567505},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5830424427986145},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.5497482419013977},{"id":"https://openalex.org/C32542511","wikidata":"https://www.wikidata.org/wiki/Q5141225","display_name":"Cognitive network","level":4,"score":0.4801841974258423},{"id":"https://openalex.org/C159886148","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov process","level":2,"score":0.46708250045776367},{"id":"https://openalex.org/C98763669","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov chain","level":2,"score":0.45717552304267883},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4365120232105255},{"id":"https://openalex.org/C134579502","wikidata":"https://www.wikidata.org/wiki/Q1455619","display_name":"Frequency allocation","level":2,"score":0.43455618619918823},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.41227710247039795},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.3323015570640564},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3063654899597168},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.07987713813781738},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.06682795286178589},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.23919/softcom.2019.8903786","is_oa":false,"landing_page_url":"https://doi.org/10.23919/softcom.2019.8903786","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 International Conference on Software, Telecommunications and Computer Networks (SoftCOM)","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":16,"referenced_works":["https://openalex.org/W1973175427","https://openalex.org/W1993602208","https://openalex.org/W1997150858","https://openalex.org/W2007021993","https://openalex.org/W2015669723","https://openalex.org/W2071707134","https://openalex.org/W2099682235","https://openalex.org/W2162877972","https://openalex.org/W2169642774","https://openalex.org/W2520474154","https://openalex.org/W2553535241","https://openalex.org/W2562496473","https://openalex.org/W2674708020","https://openalex.org/W2795958344","https://openalex.org/W2903249552","https://openalex.org/W3105557434"],"related_works":["https://openalex.org/W2532161418","https://openalex.org/W2769590643","https://openalex.org/W1578981417","https://openalex.org/W2134296312","https://openalex.org/W2054719951","https://openalex.org/W3015335224","https://openalex.org/W2158225801","https://openalex.org/W1591533815","https://openalex.org/W2078869233","https://openalex.org/W2899343824"],"abstract_inverted_index":{"The":[0,133],"exponential":[1],"growth":[2],"of":[3,42,74,84,106,113,130,142,156,175,191],"wireless":[4],"spectrum":[5,14,24,81,157],"usage":[6,25,155,177,186],"in":[7,126,148,158,173,182],"the":[8,39,43,51,79,98,103,117,127,140],"past":[9],"decades":[10],"has":[11,19],"led":[12],"to":[13,22,48,55,67,77,108,115,138],"scarcity.":[15],"Cognitive":[16],"radio":[17,87],"technology":[18],"been":[20],"proposed":[21],"improve":[23],"among":[26],"licensed":[27,36],"and":[28,57,60,90,146,178],"unlicensed":[29,124],"users":[30,37,41,122],"by":[31,120],"dynamically":[32],"allocating":[33],"spectrum.":[34,192],"Since":[35],"are":[38,63],"primary":[40,52,131,179],"spectrum,":[44],"it":[45],"is":[46],"imperative":[47],"ensure":[49],"that":[50],"users'":[53],"signal":[54],"interference":[56,118],"noise":[58],"ratio":[59],"throughput":[61],"demands":[62],"met.":[64],"In":[65],"order":[66],"tackle":[68,97],"this":[69],"issue,":[70],"we":[71,100],"make":[72],"use":[73],"Markov":[75,94,143],"chains":[76],"model":[78],"dynamic":[80],"allocation":[82,190],"process":[83],"a":[85,167],"cognitive":[86],"system.":[88],"Scalability":[89],"complexity":[91],"limits":[92],"constrain":[93],"models.":[95],"To":[96],"same,":[99],"have":[101],"utilized":[102],"novel":[104],"concept":[105],"beamforming":[107,147],"generate":[109],"more":[110],"focused":[111],"streams":[112],"data":[114],"limit":[116],"caused":[119],"secondary":[121],"(or":[123],"users)":[125],"communication":[128],"region":[129],"users.":[132],"paper":[134],"proposes":[135],"an":[136],"algorithm":[137],"utilise":[139],"techniques":[141],"chain":[144],"models":[145],"tandem":[149],"with":[150,184,187],"each":[151],"other":[152],"for":[153],"appropriate":[154],"underlay":[159],"mode.":[160],"Simulation":[161],"results":[162],"carried":[163],"out":[164],"based":[165],"on":[166],"network":[168,176,185],"scenario":[169],"shows":[170],"considerable":[171],"improvement,":[172],"terms":[174],"user":[180],"throughput,":[181],"comparison":[183],"no":[188],"proper":[189]},"counts_by_year":[{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}