{"id":"https://openalex.org/W2157503598","doi":"https://doi.org/10.1109/sahcn.2005.1557097","title":"SoftMAC: layer 2.5 MAC for VoIP support in multi-hop wireless networks","display_name":"SoftMAC: layer 2.5 MAC for VoIP support in multi-hop wireless networks","publication_year":2005,"publication_date":"2005-12-13","ids":{"openalex":"https://openalex.org/W2157503598","doi":"https://doi.org/10.1109/sahcn.2005.1557097","mag":"2157503598"},"language":"en","primary_location":{"id":"doi:10.1109/sahcn.2005.1557097","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sahcn.2005.1557097","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2005 Second Annual IEEE Communications Society Conference on Sensor and Ad Hoc Communications and Networks, 2005. IEEE SECON 2005.","raw_type":"proceedings-article"},"type":"conference-paper","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/A5100757796","display_name":"Haitao Wu","orcid":"https://orcid.org/0000-0003-3173-3322"},"institutions":[{"id":"https://openalex.org/I4210113369","display_name":"Microsoft Research Asia (China)","ror":"https://ror.org/0300m5276","country_code":"CN","type":"company","lineage":["https://openalex.org/I1290206253","https://openalex.org/I4210113369"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haitao Wu","raw_affiliation_strings":["Microsoft Research Asia, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Microsoft Research Asia, Beijing, China","institution_ids":["https://openalex.org/I4210113369"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100327788","display_name":"Xin Wang","orcid":"https://orcid.org/0000-0001-5881-4400"},"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":"Xin Wang","raw_affiliation_strings":["Tsinghua University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tsinghua University, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102880548","display_name":"Yunxin Liu","orcid":"https://orcid.org/0000-0001-7352-8955"},"institutions":[{"id":"https://openalex.org/I4210113369","display_name":"Microsoft Research Asia (China)","ror":"https://ror.org/0300m5276","country_code":"CN","type":"company","lineage":["https://openalex.org/I1290206253","https://openalex.org/I4210113369"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yunxin Liu","raw_affiliation_strings":["Microsoft Research Asia, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Microsoft Research Asia, Beijing, China","institution_ids":["https://openalex.org/I4210113369"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114378267","display_name":"Qian Zhang","orcid":"https://orcid.org/0000-0001-9205-1881"},"institutions":[{"id":"https://openalex.org/I4210113369","display_name":"Microsoft Research Asia (China)","ror":"https://ror.org/0300m5276","country_code":"CN","type":"company","lineage":["https://openalex.org/I1290206253","https://openalex.org/I4210113369"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qian Zhang","raw_affiliation_strings":["Microsoft Research Asia, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Microsoft Research Asia, Beijing, China","institution_ids":["https://openalex.org/I4210113369"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100622097","display_name":"Zhi-Li Zhang","orcid":"https://orcid.org/0000-0001-8584-2319"},"institutions":[{"id":"https://openalex.org/I130238516","display_name":"University of Minnesota","ror":"https://ror.org/017zqws13","country_code":"US","type":"education","lineage":["https://openalex.org/I130238516"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zhi-Li Zhang","raw_affiliation_strings":["University of Minnesota, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Minnesota, USA","institution_ids":["https://openalex.org/I130238516"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.3441,"has_fulltext":false,"cited_by_count":32,"citation_normalized_percentile":{"value":0.93807531,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"441","last_page":"451"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11158","display_name":"Wireless Networks and Protocols","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/T11158","display_name":"Wireless Networks and Protocols","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/T10246","display_name":"Mobile Ad Hoc Networks","score":0.9995999932289124,"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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9955000281333923,"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/computer-network","display_name":"Computer network","score":0.8352031111717224},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7792710065841675},{"id":"https://openalex.org/keywords/voice-over-ip","display_name":"Voice over IP","score":0.7029021978378296},{"id":"https://openalex.org/keywords/testbed","display_name":"Testbed","score":0.6332532167434692},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.5466022491455078},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.49255403876304626},{"id":"https://openalex.org/keywords/network-allocation-vector","display_name":"Network allocation vector","score":0.45036906003952026},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4386325478553772},{"id":"https://openalex.org/keywords/ieee-802.11","display_name":"IEEE 802.11","score":0.4068138897418976},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.14359894394874573},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.09355628490447998}],"concepts":[{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.8352031111717224},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7792710065841675},{"id":"https://openalex.org/C171246234","wikidata":"https://www.wikidata.org/wiki/Q81945","display_name":"Voice over IP","level":3,"score":0.7029021978378296},{"id":"https://openalex.org/C31395832","wikidata":"https://www.wikidata.org/wiki/Q1318674","display_name":"Testbed","level":2,"score":0.6332532167434692},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.5466022491455078},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.49255403876304626},{"id":"https://openalex.org/C643704","wikidata":"https://www.wikidata.org/wiki/Q1460774","display_name":"Network allocation vector","level":5,"score":0.45036906003952026},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4386325478553772},{"id":"https://openalex.org/C185298936","wikidata":"https://www.wikidata.org/wiki/Q193228","display_name":"IEEE 802.11","level":4,"score":0.4068138897418976},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.14359894394874573},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.09355628490447998}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/sahcn.2005.1557097","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sahcn.2005.1557097","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2005 Second Annual IEEE Communications Society Conference on Sensor and Ad Hoc Communications and Networks, 2005. IEEE SECON 2005.","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.100.8657","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.100.8657","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www-users.cs.umn.edu/~zhzhang/Papers/softmac_second05.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.473.3544","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.473.3544","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://dent.cecs.uci.edu/~papers/secon05/DATA/11-01.PDF","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.47999998927116394,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W68176196","https://openalex.org/W115782345","https://openalex.org/W1548011391","https://openalex.org/W1550184337","https://openalex.org/W1597785464","https://openalex.org/W1867935145","https://openalex.org/W1969349947","https://openalex.org/W1999990623","https://openalex.org/W2003531160","https://openalex.org/W2019094720","https://openalex.org/W2027515139","https://openalex.org/W2035776116","https://openalex.org/W2041248965","https://openalex.org/W2083922672","https://openalex.org/W2090609496","https://openalex.org/W2094868465","https://openalex.org/W2098148887","https://openalex.org/W2098289156","https://openalex.org/W2100671335","https://openalex.org/W2101771805","https://openalex.org/W2107360009","https://openalex.org/W2115483404","https://openalex.org/W2116161861","https://openalex.org/W2121302304","https://openalex.org/W2124299984","https://openalex.org/W2127582645","https://openalex.org/W2130845570","https://openalex.org/W2133920226","https://openalex.org/W2138634927","https://openalex.org/W2139208951","https://openalex.org/W2148414233","https://openalex.org/W2151894309","https://openalex.org/W2157040959","https://openalex.org/W2160665764","https://openalex.org/W2162598825","https://openalex.org/W2200061844","https://openalex.org/W4236269498","https://openalex.org/W4285719527","https://openalex.org/W6604760380","https://openalex.org/W6659666874","https://openalex.org/W6678452455","https://openalex.org/W6680601639","https://openalex.org/W6682532854","https://openalex.org/W6682804336"],"related_works":["https://openalex.org/W2151234995","https://openalex.org/W3102088847","https://openalex.org/W2295677127","https://openalex.org/W2075675676","https://openalex.org/W2002082627","https://openalex.org/W856260524","https://openalex.org/W2096054917","https://openalex.org/W2092074130","https://openalex.org/W2779408998","https://openalex.org/W2021453815"],"abstract_inverted_index":{"Abstract-":[0],"In":[1],"this":[2],"paper,":[3],"we":[4,117],"present":[5],"the":[6,38,47,79,89,112,122,170],"challenges":[7],"in":[8,56],"supporting":[9],"VoIP":[10,64,108],"services":[11],"over":[12,141],"multi-hop":[13,58,150],"wireless":[14,59,151,156],"networks":[15],"using":[16,121],"commercial":[17],"IEEE":[18],"802.11":[19,39,160],"MAC":[20,40],"DCF":[21],"hardware,":[22],"and":[23,42,49,97,147,166],"propose":[24],"a":[25,57,133,149],"novel":[26],"software":[27,175],"solution,":[28],"called":[29],"Layer":[30],"2.5":[31],"SoftMAC.":[32],"Our":[33,164],"proposed":[34,130,174],"SoftMAC":[35,67,131],"resides":[36],"between":[37],"layer":[41,44],"IP":[43],"to":[45,107],"coordinate":[46],"real-time":[48,95],"best-effort":[50,92],"packet":[51],"transmission":[52],"among":[53],"neighboring":[54],"nodes":[55,157],"network.":[60],"To":[61,110],"effectively":[62],"support":[63],"services,":[65],"our":[66,129,173],"architecture":[68],"employs":[69],"three":[70],"key":[71],"mechanisms:":[72],"1)":[73],"distributed":[74],"admission":[75],"control":[76,86],"for":[77,87,102],"regulating":[78],"load":[80],"of":[81,91,114,172],"real":[82],"time-traffic,":[83],"2)":[84],"rate":[85],"minimizing":[88],"impact":[90],"traffic":[93],"on":[94],"traffic,":[96],"3)":[98],"non-preemptive":[99],"priority":[100,105],"queueing":[101],"providing":[103],"high":[104],"service":[106],"traffic.":[109],"evaluate":[111],"efficacy":[113],"these":[115],"mechanisms,":[116],"conduct":[118],"extensive":[119],"simulations":[120],"network":[123,152],"simulator":[124],"NS2.":[125],"We":[126],"also":[127],"implement":[128],"as":[132],"Windows":[134],"Network":[135,142],"Driver":[136],"Interface":[137,143],"Specification":[138],"(NDIS)":[139],"driver":[140],"Card":[144],"(NIC)":[145],"driver,":[146],"build":[148],"testbed":[153],"with":[154,159],"32":[155],"equipped":[158],"a/b/g":[161],"combo":[162],"cards.":[163],"evaluation":[165],"testing":[167],"results":[168],"demonstrate":[169],"effectiveness":[171],"solution.":[176],"1.":[177]},"counts_by_year":[{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2026-08-26T07:47:46.906454","created_date":"2025-10-10T00:00:00"}