Presentation 2008-01-25
WLAN VoIP Capacity Improvement with Distributed Packet Scheduling
Kei IGARASHI, Akira YAMADA, Tomoyuki OHYA,
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Abstract(in English) This paper proposes a Medium Access Control (MAC) protocol that provides Quality of Service (QoS) in Voice over IP (VoIP) over Wireless Local Area Networks (WLANs). Our proposed protocol minimizes packet collision and thus improves voice communication quality. Introduction of the proposed protocol requires only VoIP Station (STA) software modification, i.e. neither modification of STA hardware nor replacement of Access Points (APs) is necessary. Our protocol also keeps backward compatibility with the legacy devices that do not implement the proposed method. We evaluate the performance of the proposed protocol and show that it can increase the number of accommodated VoIP calls.
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Keyword(in English) wireless LAN / VoIP / EDCA / scheduling
Paper # MoMuC2007-77,USN2007-70
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Committee MoMuC
Conference Date 2008/1/17(1days)
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Registration To Mobile Multimedia Communications(MoMuC)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) WLAN VoIP Capacity Improvement with Distributed Packet Scheduling
Sub Title (in English)
Keyword(1) wireless LAN
Keyword(2) VoIP
Keyword(3) EDCA
Keyword(4) scheduling
1st Author's Name Kei IGARASHI
1st Author's Affiliation Research Laboratories, NTT DoCoMo, Inc.()
2nd Author's Name Akira YAMADA
2nd Author's Affiliation Research Laboratories, NTT DoCoMo, Inc.
3rd Author's Name Tomoyuki OHYA
3rd Author's Affiliation Research Laboratories, NTT DoCoMo, Inc.
Date 2008-01-25
Paper # MoMuC2007-77,USN2007-70
Volume (vol) vol.107
Number (no) 446
Page pp.pp.-
#Pages 2
Date of Issue