{"id":"https://openalex.org/W7162755101","doi":"https://doi.org/10.1145/3745756.3809217","title":"Listen Over the Air: Towards Long-Range Low-Power Backscatter Downlink","display_name":"Listen Over the Air: Towards Long-Range Low-Power Backscatter Downlink","publication_year":2026,"publication_date":"2026-05-29","ids":{"openalex":"https://openalex.org/W7162755101","doi":"https://doi.org/10.1145/3745756.3809217"},"language":null,"primary_location":{"id":"doi:10.1145/3745756.3809217","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3745756.3809217","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 24th Annual International Conference on Mobile Systems, Applications and Services","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1145/3745756.3809217","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100674347","display_name":"Yiqun Chen","orcid":"https://orcid.org/0000-0003-0672-9217"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"YiJie Chen","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0009-0009-7455-5002","affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018657781","display_name":"Shuai Tong","orcid":"https://orcid.org/0000-0002-5039-5229"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuai Tong","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-5039-5229","affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108047889","display_name":"Y\u00ec W\u00e1ng","orcid":"https://orcid.org/0000-0001-5697-0717"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiliang Wang","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-1464-3245","affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.8133992,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"478","last_page":"491"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9907000064849854,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9907000064849854,"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/T12079","display_name":"IoT Networks and Protocols","score":0.002899999963119626,"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/T11133","display_name":"UAV Applications and Optimization","score":0.0012000000569969416,"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/telecommunications-link","display_name":"Telecommunications link","score":0.9327999949455261},{"id":"https://openalex.org/keywords/backscatter","display_name":"Backscatter (email)","score":0.6980000138282776},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5440999865531921},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.5052000284194946},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.49390000104904175},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.4392000138759613},{"id":"https://openalex.org/keywords/frequency-division-multiplexing","display_name":"Frequency-division multiplexing","score":0.41659998893737793},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.3871999979019165}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.9327999949455261},{"id":"https://openalex.org/C30354325","wikidata":"https://www.wikidata.org/wiki/Q204667","display_name":"Backscatter (email)","level":3,"score":0.6980000138282776},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5465999841690063},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5440999865531921},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.5052000284194946},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4966000020503998},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.49390000104904175},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.4392000138759613},{"id":"https://openalex.org/C89061704","wikidata":"https://www.wikidata.org/wiki/Q5555726","display_name":"Frequency-division multiplexing","level":4,"score":0.41659998893737793},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.3871999979019165},{"id":"https://openalex.org/C195251586","wikidata":"https://www.wikidata.org/wiki/Q1185939","display_name":"Demodulation","level":3,"score":0.38269999623298645},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.323199987411499},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.3179999887943268},{"id":"https://openalex.org/C557945733","wikidata":"https://www.wikidata.org/wiki/Q389772","display_name":"Data transmission","level":2,"score":0.31630000472068787},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3077000081539154},{"id":"https://openalex.org/C2984118289","wikidata":"https://www.wikidata.org/wiki/Q29954","display_name":"Power consumption","level":3,"score":0.3003000020980835},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.29100000858306885},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.2865999937057495},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.2849999964237213},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.2791999876499176},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.27790001034736633},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.27730000019073486},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.265500009059906},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.2637999951839447},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.2599000036716461}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3745756.3809217","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3745756.3809217","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 24th Annual International Conference on Mobile Systems, Applications and Services","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3745756.3809217","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3745756.3809217","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 24th Annual International Conference on Mobile Systems, Applications and Services","raw_type":"proceedings-article"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.8113575577735901}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1994803221","https://openalex.org/W1996623935","https://openalex.org/W2069781544","https://openalex.org/W2099028871","https://openalex.org/W2109520672","https://openalex.org/W2122867694","https://openalex.org/W2170366883","https://openalex.org/W2547263323","https://openalex.org/W2793719048","https://openalex.org/W2855857260","https://openalex.org/W2945193430","https://openalex.org/W4312910533","https://openalex.org/W4405600799"],"related_works":[],"abstract_inverted_index":{"With":[0],"the":[1,7,16,101,112,174],"rapid":[2],"development":[3],"of":[4,9,15,79,103,151],"backscatter":[5,38,59,85],"technology,":[6],"limitation":[8],"downlink":[10,23,55,80,104,148],"communication":[11,24,56],"has":[12],"become":[13],"one":[14],"key":[17,89],"bottlenecks":[18],"hindering":[19],"its":[20,139],"scalability.":[21],"Traditional":[22],"requires":[25],"carrier":[26,118],"down":[27],"conversion":[28],"and":[29,35,69,96,119,124,137,162,172],"digital":[30],"sampling,":[31],"which":[32],"is":[33],"energy-intensive":[34],"unaffordable":[36],"for":[37,53,66,99,127],"tags.":[39,60],"To":[40,106],"address":[41,88],"this":[42],"challenge,":[43],"we":[44,110],"present":[45],"DUET":[46,61,132,145,166],"(Downlink":[47],"Ultra-low-power":[48],"Extensive":[49],"Transmission),":[50],"a":[51,116,121,147],"system":[52],"long-range":[54],"with":[57,157],"low-power":[58,84,97,108],"leverages":[62],"commodity":[63],"LoRa":[64,81,135],"nodes":[65],"signal":[67,94,113,128],"transmission":[68],"implements":[70],"an":[71],"innovative":[72],"over-the-air":[73],"demodulation":[74],"mechanism,":[75],"enabling":[76],"direct":[77],"decoding":[78],"signals":[82],"by":[83,169,176],"receivers.":[86],"We":[87,130],"challenges":[90],"such":[91],"as":[92,115],"weak":[93],"amplification":[95],"wake-up":[98],"enhancing":[100],"range":[102,175],"communications.":[105],"achieve":[107],"demodulation,":[109],"extract":[111],"envelope":[114],"low-frequency":[117],"design":[120],"closed-loop":[122],"amplifier":[123],"resonant":[125],"circuit":[126],"amplification.":[129],"prototype":[131],"using":[133],"commercial":[134],"hardware":[136],"evaluate":[138],"performance.":[140],"The":[141],"results":[142],"show":[143],"that":[144],"achieves":[146],"data":[149],"rate":[150],"1":[152],"kbps":[153],"at":[154],"175":[155],"meters,":[156],"61.6":[158],"\u03bcW":[159],"power":[160],"consumption":[161],"-55":[163],"dBm":[164],"sensitivity.":[165],"improves":[167],"sensitivity":[168],"7":[170],"dB":[171],"extends":[173],"1.7\u00d7":[177],"compared":[178],"to":[179],"state-of-the-art":[180],"technologies.":[181]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2026-05-30T00:00:00"}