Keyword : VoIP


Effect of Load-Balancing against Disaster Congestion with Actual Subscriber Extension Telephone Numbers
Daisuke SATOH Hiromichi KAWANO Yoshiyuki CHIBA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/08/01
Vol. E98-A  No. 8 ; pp. 1637-1646
Type of Manuscript:  Special Section PAPER (Special Section on Information and Communication Systems for Safe and Secure Life)
Category: 
Keyword: 
load balancingcongestiondisasterVoIPSIPnetwork designsystematic samplingsubscriber extension telephone number
 Summary | Full Text:PDF(1.7MB)

Survey of IPX (IP eXchange) as an Emerging International Interconnection between Telecommunication Networks
Takaaki MORIYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/04/01
Vol. E96-B  No. 4 ; pp. 927-938
Type of Manuscript:  SURVEY PAPER
Category: Network
Keyword: 
IPXinternational interconnectionQoSVoIPIMS interworkingLTE roaming
 Summary | Full Text:PDF(1.6MB)

Performance Analysis of Power Saving Class of Type I for Voice Service in Two-Way Communication in IEEE 802.16e
Eunju HWANG Kyung Jae KIM Bong Dae CHOI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/03/01
Vol. E95-B  No. 3 ; pp. 845-856
Type of Manuscript:  PAPER
Category: Network
Keyword: 
IEEE 802.16epower consumptionsleep modeVoIP
 Summary | Full Text:PDF(1.1MB)

VoIP Accounting Model: Using the Gap Ratio as a Quality Metric
Younchan JUNG J. William ATWOOD 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/09/01
Vol. E94-B  No. 9 ; pp. 2638-2641
Type of Manuscript:  LETTER
Category: Network
Keyword: 
VoIPquality of serviceburstgap ratioquality metricaccounting model
 Summary | Full Text:PDF(312.6KB)

Design and Implementation of One-Way Key Agreement Model for Enhancing VoIP Internet Phone Security
Kyusuk HAN Taeshik SHON Kwangjo KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/08/01
Vol. E94-B  No. 8 ; pp. 2235-2238
Type of Manuscript:  Special Section LETTER (Special Section on Deployment and Operation of New Internet Technology: Challenges and Approaches)
Category: 
Keyword: 
VoIPID-based cryptosystemone-way key agreementauthenticationkey agreement
 Summary | Full Text:PDF(1.2MB)

Enhancing VoIP in UTRAN LTE Downlink: Methods and Performance
Yong FAN Mikko VALKAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/08/01
Vol. E94-B  No. 8 ; pp. 2338-2345
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
VoIPE-UTRALTEOFDMAsystem level performance
 Summary | Full Text:PDF(967.3KB)

VoIP Quality Measurement System Using Flow Mediation for Large-Scale IP Networks
Atsushi KOBAYASHI Keisuke ISHIBASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/07/01
Vol. E94-B  No. 7 ; pp. 1973-1981
Type of Manuscript:  PAPER
Category: Network Management/Operation
Keyword: 
IPFIXPSAMPsFlowVoIPSIP
 Summary | Full Text:PDF(3.2MB)

Performance Analysis of Persistent Scheduling for VoIP Services in Mobile WiMAX Systems
Jaewoo SO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/01/01
Vol. E94-B  No. 1 ; pp. 175-182
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
persistent mappingVoIPresource allocationWiMAXIEEE 802.16e
 Summary | Full Text:PDF(632.8KB)

A Cross Layer Perceptual Speech Quality Based Wireless VoIP Service
Tein-Yaw CHUNG Yung-Mu CHEN Liang-Yi HUANG 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/11/01
Vol. E93-A  No. 11 ; pp. 2153-2162
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: 
Keyword: 
cross layer designplayout bufferE-modelMIHperceptual speech qualitySCTPVoIP
 Summary | Full Text:PDF(980.1KB)

Nationwide SIP Telephony Network Design to Prevent Congestion Caused by Disaster
Daisuke SATOH Kyoko ASHITAGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/09/01
Vol. E93-B  No. 9 ; pp. 2273-2281
Type of Manuscript:  PAPER
Category: Fundamental Theories for Communications
Keyword: 
load balancingcongestiondisasterVoIPSIPnetwork design
 Summary | Full Text:PDF(952.3KB)

Packet Scheduling Mechanism to Improve Quality of Short Flows and Low-Rate Flows
Kenji YOKOTA Takuya ASAKA Tatsuro TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/07/01
Vol. E93-B  No. 7 ; pp. 1890-1896
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
QoSpacket-schedulingelephant flowVoIP
 Summary | Full Text:PDF(1.6MB)

Analysis of Optimal Jitter Buffer Size for VoIP QoS under WiMAX Power-Saving Mode
Hyungsuk KIM Taehyoun KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/06/01
Vol. E93-B  No. 6 ; pp. 1395-1402
Type of Manuscript:  Special Section PAPER (Special Section on Quality of Communication Networks and Services)
Category: 
Keyword: 
VoIPQoSde-jitter bufferWiMAXpower-saving mode (PSM)
 Summary | Full Text:PDF(3.4MB)

Bidirectional Packet Aggregation and Coding for Efficient VoIP Transmission in Wireless Multi-Hop Networks
Jun HASEGAWA Hiroyuki YOMO Yoshihisa KONDO Peter DAVIS Katsumi SAKAKIBARA Ryu MIURA Sadao OBANA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/10/01
Vol. E92-B  No. 10 ; pp. 3060-3070
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Information and Communication Technologies and Services in Conjunction with Main Topics of APCC/COIN 2008)
Category: 
Keyword: 
wireless ad-hoc networkpacket aggregationnetwork codingVoIP
 Summary | Full Text:PDF(1.2MB)

Handover Management for VoWLAN Based on Estimation of AP Queue Length and Frame Retries
Muhammad NISWAR Shigeru KASHIHARA Kazuya TSUKAMOTO Youki KADOBAYASHI Suguru YAMAGUCHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2009/10/01
Vol. E92-D  No. 10 ; pp. 1847-1856
Type of Manuscript:  Special Section PAPER (Special Section on New Technologies and their Applications of the Internet)
Category: Wireless Network
Keyword: 
handoverAP queue lengthframe retriestransmission rateVoIPmulti-rate WLAN
 Summary | Full Text:PDF(971.8KB)

Fair Scheduling for Delay-Sensitive VoIP Traffic
Shawish AHMED Xiaohong JIANG Susumu HORIGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/10/01
Vol. E92-B  No. 10 ; pp. 3115-3125
Type of Manuscript:  PAPER
Category: Network
Keyword: 
packet schedulingVoIPDeficit Round-RobinfairnessToken BucketIP networks
 Summary | Full Text:PDF(426.4KB)

Application Oriented Flow Routing Algorithm for VoIP Overlay Networks
Komwut WIPUSITWARAKUN Sanon CHIMMANEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/06/01
Vol. E92-B  No. 6 ; pp. 2054-2064
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
VoIPflow routingtraffic distributionoverlay networks
 Summary | Full Text:PDF(1.1MB)

VoIP Session Capacity Expansion with Packet Transmission Suppression Control in Wireless LAN
Yasufumi MORIOKA Takeshi HIGASHINO Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/04/01
Vol. E92-B  No. 4 ; pp. 1144-1152
Type of Manuscript:  Special Section PAPER (Special Section on Internet Technology and its Architecture for Ambient Information Systems)
Category: 
Keyword: 
VoIPwirelss LANcapacity expansionpacket suppression
 Summary | Full Text:PDF(1.1MB)

A Protocol Specification-Based Intrusion Detection System for VoIP and Its Evaluation
Thyda PHIT Koki ABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/12/01
Vol. E91-B  No. 12 ; pp. 3956-3965
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
IDSVoIPSIPRTPprotocol specificationstate machineOPNET
 Summary | Full Text:PDF(651.1KB)

Improving VoIP Quality Using Silence Description Packets in the Jitter Buffer
Younchan JUNG J. William ATWOOD Hans-Jurgen ZEPERNICK 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/11/01
Vol. E91-B  No. 11 ; pp. 3719-3721
Type of Manuscript:  LETTER
Category: Internet
Keyword: 
VoIPQoSplayout algorithmjitter buffer
 Summary | Full Text:PDF(136.8KB)

Objective Speech Quality Assessment Based on Payload Discrimination of Lost Packets for Cellular Phones in NGN Environment
Satoshi UEMURA Norihiro FUKUMOTO Hideaki YAMADA Hajime NAKAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/11/01
Vol. E91-B  No. 11 ; pp. 3667-3676
Type of Manuscript:  PAPER
Category: Network Management/Operation
Keyword: 
voice qualityQoEQoSNGNVoIPRTCP XR
 Summary | Full Text:PDF(1.5MB)

S3: Smart Session Selection for Voice Communications in Next Generation Wireless Network
Tein-Yaw CHUNG Fong-Ching YUAN Yung-Mu CHEN Baw-Jhiune LIU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/10/01
Vol. E91-A  No. 10 ; pp. 2995-3002
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Mobile Mulimedia Communication
Keyword: 
always best connectedAHPanalytic hierarchy processIMSIP multimedia subsystemmulti-mode heterogeneous wireless networksmart session selectionVoIP
 Summary | Full Text:PDF(650KB)

Efficient Transmission of Multicast MAPs in IEEE 802.16e
Jae-Heung YEOM Yong-Hwan LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/10/01
Vol. E91-B  No. 10 ; pp. 3157-3161
Type of Manuscript:  Special Section LETTER (Special Section on Next-Generation Mobile Multimedia Communications)
Category: 
Keyword: 
MAP overheadsub-MAPWiMAXVoIP
 Summary | Full Text:PDF(142.6KB)

A Generalizable Methodology for Quantifying User Satisfaction
Te-Yuan HUANG Kuan-Ta CHEN Polly HUANG Chin-Laung LEI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/05/01
Vol. E91-B  No. 5 ; pp. 1260-1268
Type of Manuscript:  INVITED PAPER (Special Section on Communication Quality)
Category: 
Keyword: 
human perceptioninternet measurementquality of servicesurvival analysisnetwork gamesVoIP
 Summary | Full Text:PDF(407.3KB)

A Study of Control Plane Stability with Retry Traffic: Comparison of Hard- and Soft-State Protocols
Masaki AIDA Chisa TAKANO Masayuki MURATA Makoto IMASE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/02/01
Vol. E91-B  No. 2 ; pp. 437-445
Type of Manuscript:  PAPER
Category: Network Management/Operation
Keyword: 
IP telephonyVoIPretry trafficcontrol planesoft-statestability
 Summary | Full Text:PDF(460KB)

Throughput Enhancement Using Adaptive Delay Barrier Function over HSDPA System in Mixed Traffic Scenarios
Yong-Seok KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/02/01
Vol. E91-B  No. 2 ; pp. 488-493
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
adaptive delay barrier functiona mixed trafficVoIPHSDPA
 Summary | Full Text:PDF(435KB)

An Efficient Resource Allocation Scheme for VoIP Services in the IEEE 802.16e OFDMA System
Jae-Woo SO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/01/01
Vol. E91-B  No. 1 ; pp. 359-363
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
IEEE 802.16WiMAXresource allocationVoIP
 Summary | Full Text:PDF(312.4KB)

Experimental Evaluation of Decision Criteria for WLAN Handover: Signal Strength and Frame Retransmission
Kazuya TSUKAMOTO Takeshi YAMAGUCHI Shigeru KASHIHARA Yuji OIE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/12/01
Vol. E90-B  No. 12 ; pp. 3579-3590
Type of Manuscript:  PAPER
Category: Network
Keyword: 
wireless LAN handoverhandover decision criterionsignal strengthframe retransmissionFTPVoIP
 Summary | Full Text:PDF(883.3KB)

QoE Estimation Method for Interconnected VoIP Networks Employing Different Codecs
Akira TAKAHASHI Noritsugu EGI Atsuko KURASHIMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/12/01
Vol. E90-B  No. 12 ; pp. 3572-3578
Type of Manuscript:  PAPER
Category: Network
Keyword: 
VoIPobjective quality assessmentspeech qualitysubjective qualityQoEE-model
 Summary | Full Text:PDF(787.9KB)

A Technique of Lossless Steganography for G.711
Naofumi AOKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/11/01
Vol. E90-B  No. 11 ; pp. 3271-3273
Type of Manuscript:  LETTER
Category: Network
Keyword: 
steganographyG.711VoIP
 Summary | Full Text:PDF(365.4KB)

End-to-End Quality Management Method for VoIP Speech Using RTCP XR
Masataka MASUDA Tsuyoshi FURUKAWA Takanori HAYASHI Souhei MAJIMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/11/01
Vol. E90-B  No. 11 ; pp. 3073-3082
Type of Manuscript:  Special Section PAPER (Special Section on Next Generation Network Management)
Category: 
Keyword: 
qualityVoIPmanagementRTCP XRQoSVoIP terminalNGN
 Summary | Full Text:PDF(669.9KB)

Performance Monitoring of VoIP Flows for Large Network Operations
Yoshinori KITATSUJI Satoshi KATSUNO Katsuyuki YAMAZAKI Masato TSURU Yuji OIE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/10/01
Vol. E90-B  No. 10 ; pp. 2746-2754
Type of Manuscript:  Special Section PAPER (Special Section on New Challenge for Internet Technology and its Architecture)
Category: 
Keyword: 
performance monitoringVoIPIP flowdelay variationand inter-packet gap
 Summary | Full Text:PDF(824.1KB)

A Tree-Based Channel Assignment and Sibling-Aware Routing Protocol for Multi-Channel Wireless Mesh Networks
Bing ZHANG Mehdad N. SHIRAZI Kiyohiko HATTORI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/07/01
Vol. E90-A  No. 7 ; pp. 1333-1343
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
wireless mesh networkschannel assignmentrouting protocolVoIP
 Summary | Full Text:PDF(1.2MB)

Boosting VoIP Capacity of Wireless Mesh Networks through Lazy Frame Aggregation
Hyogon KIM Sangki YUN Heejo LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/05/01
Vol. E90-B  No. 5 ; pp. 1283-1285
Type of Manuscript:  LETTER
Category: Terrestrial Radio Communications
Keyword: 
frame aggregationmeshVoIPWLAN
 Summary | Full Text:PDF(245.5KB)

Capacity of VoIP over HSDPA with Frame Bundling
Yong-Seok KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/12/01
Vol. E89-B  No. 12 ; pp. 3450-3453
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
VoIPHSDPAframe-bundling
 Summary | Full Text:PDF(204.8KB)

An Efficient Scheme for Supporting Personal Mobility in SIP-Based VoIP Services
Tsan-Pin WANG KauLin CHIU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/10/01
Vol. E89-B  No. 10 ; pp. 2706-2714
Type of Manuscript:  Special Section PAPER (Special Section on Mobile Multimedia Communications)
Category: 
Keyword: 
VoIPSIPpersonal mobility
 Summary | Full Text:PDF(827.3KB)

A G.711 Embedded Wideband Speech Coding for VoIP Conferences
Yusuke HIWASAKI Hitoshi OHMURO Takeshi MORI Sachiko KURIHARA Akitoshi KATAOKA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/09/01
Vol. E89-D  No. 9 ; pp. 2542-2552
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
wideband speechVoIPG.711scalable codingMCUpartial mixingtranscoding
 Summary | Full Text:PDF(777.9KB)

Adaptive Voice Smoothing with Optimal E-Model Method for VoIP Services
Shyh-Fang HUANG Pao-Chi CHANG Eric Hsiao-kuang WU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/06/01
Vol. E89-B  No. 6 ; pp. 1862-1868
Type of Manuscript:  PAPER
Category: Multimedia Systems for Communications
Keyword: 
adaptive voice smootherVoIPbuffer re-synchronizationdelay/loss trade offE-model
 Summary | Full Text:PDF(354.4KB)

Medium Access Control Protocol for Voice Traffic in IEEE 802.11 WLANs
Jong-Ok KIM Hideki TODE Koso MURAKAMI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/05/01
Vol. E89-B  No. 5 ; pp. 1545-1553
Type of Manuscript:  PAPER
Category: Network
Keyword: 
VoIPfairnessIEEE 802.11 DCFmedium access controlQoS
 Summary | Full Text:PDF(482.9KB)

Speech Quality Transmitted by Circuit Multiplication Equipment Optimized for IP-Based Networks (IP-CME)
Hideaki YAMADA Norihiro FUKUMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/02/01
Vol. E89-B  No. 2 ; pp. 490-499
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
IP-based networkmultiplexingVoIPspeech qualitypacket loss
 Summary | Full Text:PDF(1.4MB)

Non-intrusive Quality Monitoring Method of VoIP Speech Based on Network Performance Metrics
Masataka MASUDA Takanori HAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/02/01
Vol. E89-B  No. 2 ; pp. 304-312
Type of Manuscript:  Special Section PAPER (Special Section on Multimedia QoS Evaluation and Management Technologies)
Category: 
Keyword: 
qualityVoIPnon-intrusiveVQmonPESQE-modelR value
 Summary | Full Text:PDF(642.3KB)

Session-Level and Network-Level SLA Structures and VoIP Service Policy over DiffServ-Based MPLS Networks
Hui-Kai SU Zhi-Zhen YAU Cheng-Shong WU Kim-Joan CHEN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/02/01
Vol. E89-B  No. 2 ; pp. 383-392
Type of Manuscript:  Special Section PAPER (Special Section on Multimedia QoS Evaluation and Management Technologies)
Category: 
Keyword: 
SLAQoS managementservice policyVoIPMPLSDiffServ
 Summary | Full Text:PDF(708.9KB)

Measuring the Perceived Importance of Speech Segments for Transmission over IP Networks
Yusuke HIWASAKI Toru MORINAGA Jotaro IKEDO Akitoshi KATAOKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/02/01
Vol. E89-B  No. 2 ; pp. 326-333
Type of Manuscript:  Special Section PAPER (Special Section on Multimedia QoS Evaluation and Management Technologies)
Category: 
Keyword: 
scalable speech codingmultiple description codingpacket networksVADQoSVoIPestimated MOSlinear regression model
 Summary | Full Text:PDF(964.8KB)

An Adaptive Routing Method for VoIP Gateways Based on Packet Delay Information
Minho JO HyoungDo KIM Hyogon KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/02/01
Vol. E88-B  No. 2 ; pp. 766-769
Type of Manuscript:  LETTER
Category: Network
Keyword: 
gateway-level routingpacket delayVoIP
 Summary | Full Text:PDF(338.1KB)

A Successive Times Based Scheduling for VoIP Services over HFC Networks
Bih-Hwang LEE Jhih-Ming CHEN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/11/01
Vol. E87-B  No. 11 ; pp. 3343-3351
Type of Manuscript:  PAPER
Category: Multimedia Systems for Communications" Multimedia Systems for Communications
Keyword: 
VoIPHFCDOCSISUGS/ADCMTSscheduling algorithm
 Summary | Full Text:PDF(1MB)

Design and Evaluation of Service Application Server for IP Convergence Services
Osamu MIZUNO Yuichi SHIMAMURA Kazuhiro NAGAYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/07/01
Vol. E87-B  No. 7 ; pp. 1780-1788
Type of Manuscript:  Special Section PAPER (Special Section on Next Generation Networks Software)
Category: Network Application
Keyword: 
VoIPapplication serverJava-based systemconvergence service
 Summary | Full Text:PDF(2.5MB)

Methods of Improving the Accuracy and Reproducibility of Objective Quality Assessment of VoIP Speech
Akira TAKAHASHI Masataka MASUDA Atsuko KURASHIMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/06/01
Vol. E87-B  No. 6 ; pp. 1660-1669
Type of Manuscript:  PAPER
Category: Multimedia Systems
Keyword: 
VoIPobjective quality assessmentspeech qualitysubjective qualityQoS
 Summary | Full Text:PDF(412.4KB)

Toward QoS Management of VoIP: Experimental Investigation of the Relations between IP Network Performances and VoIP Speech Quality
Hiroki FURUYA Shinichi NOMOTO Hideaki YAMADA Norihiro FUKUMOTO Fumiaki SUGAYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/06/01
Vol. E87-B  No. 6 ; pp. 1610-1622
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
VoIPQoSspeech qualityIP networkjitter
 Summary | Full Text:PDF(4.4MB)

Endpoint Admission Control Enhanced Systems for VoIP Networks
Abdulkhalig A. BILHAJ Kenichi MASE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/04/01
Vol. E87-B  No. 4 ; pp. 948-957
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
Internet QoSVoIPadmission control
 Summary | Full Text:PDF(857.9KB)

Modification of Two-Side Pitch Waveform Replication Technique for VoIP Packet Loss Concealment
Naofumi AOKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/04/01
Vol. E87-B  No. 4 ; pp. 1041-1044
Type of Manuscript:  LETTER
Category: Network
Keyword: 
VoIPpacket loss concealmentpitch waveform replicationpitch variation
 Summary | Full Text:PDF(581.5KB)

MEPFQ: Efficient and Fair Scheduling Mechanism for Real-Time Multimedia Applications in Differentiated Services Networks
Tamrat BAYLE Reiji AIBARA Kouji NISHIMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/03/01
Vol. E87-B  No. 3 ; pp. 615-625
Type of Manuscript:  Special Section PAPER (Special Section on Internet Technology IV)
Category: Multimedia Communication
Keyword: 
InternetQoSDiffServexpedited forwardingscheduling algorithmVoIP
 Summary | Full Text:PDF(681.3KB)

A Packet Loss Concealment Technique for VoIP Using Steganography
Noriko KOMAKI Naofumi AOKI Tsuyoshi YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/08/01
Vol. E86-A  No. 8 ; pp. 2069-2072
Type of Manuscript:  Special Section LETTER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
VoIPpacket loss concealmentpitch waveform replicationsteganography
 Summary | Full Text:PDF(714KB)

A Dynamic Redundant Audio Transmission in VoIP Systems
Mu Jung KIM Kyung Huy LEE Chul Hong KWON 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/06/01
Vol. E86-B  No. 6 ; pp. 2056-2059
Type of Manuscript:  LETTER
Category: Network
Keyword: 
VoIPQoSRTP/RTCPredundant audio transmission
 Summary | Full Text:PDF(305.1KB)

A Novel Media Access Control Using Multiple Queues for Voice over IP in Ad Hoc Networks--D2VTS Algorithm--
Masakatsu OGAWA Takeshi HATTORI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/10/01
Vol. E85-B  No. 10 ; pp. 2136-2144
Type of Manuscript:  Special Section PAPER (Special Issue on Mobile Multimedia Communications)
Category: 
Keyword: 
ad hoc networkIEEE 802.11packet schedulingVoIPQoS
 Summary | Full Text:PDF(1.2MB)

Novel Multiple Access Protocol for Voice over IP in Wireless LAN
Takefumi HIRAGURI Takeo ICHIKAWA Masataka IIZUKA Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/10/01
Vol. E85-B  No. 10 ; pp. 2145-2152
Type of Manuscript:  Special Section PAPER (Special Issue on Mobile Multimedia Communications)
Category: 
Keyword: 
wireless LANCSMA/CAVoIPH.323
 Summary | Full Text:PDF(825KB)

Traffic Control Scheme for Carrier-Scale VoIP Services
Hisao YAMAMOTO Takeo ABE Shinya NOGAMI Hironobu NAKANISHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/01/01
Vol. E85-B  No. 1 ; pp. 14-24
Type of Manuscript:  INVITED PAPER (Special Issue on Internet Technology II -- Traffic Control and Performance Evaluation in the Internet)
Category: 
Keyword: 
carrier-scalecongestion controlQoS controlIP trafficVoIP
 Summary | Full Text:PDF(1.4MB)

IP-Based Voice Stream Multiplexing Schemes and Their Performance Evaluation
Hideaki YAMADA Toshiki ENDO Toshikane ODA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/08/01
Vol. E84-B  No. 8 ; pp. 2256-2265
Type of Manuscript:  PAPER
Category: Network
Keyword: 
IP-based networkVoIPmultiplexingRTPQoS
 Summary | Full Text:PDF(1MB)

Voice over IP Enabling Telephony and IP Network Convergence
Tohru HOSHI Koji TSUKADA Kazuma YUMOTO Keiko TANIGAWA Yoshiyuki NAKAYAMA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2001/05/01
Vol. E84-D  No. 5 ; pp. 548-559
Type of Manuscript:  Special Section PAPER (Special Issue on High-speed Internet Technology and its Applications)
Category: 
Keyword: 
voice over IPVoIPIP telephonyCTIWeb call
 Summary | Full Text:PDF(752.4KB)