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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 114  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
IN, IA
(Joint)
2022-12-13
11:05
Hiroshima Higashi-Senda campus, Hiroshima Univ.
(Primary: On-site, Secondary: Online)
Finite State VoIP Traffic Model for Variable Voice Payload Size
Tomoyoshi Waki (Tokyo Tech), Sumiko Miyata (SIT), Yoshiaki Kitaguchi (Tokyo Tech), Ken-ichi Baba (KUTE-TOKYO), Katsunori Yamaoka (Tokyo Tech)
(To be available after the conference date) [more]
IN, NS
(Joint)
2019-03-05
16:00
Okinawa Okinawa Convention Center Efficient compression of silence part and efficient detection of end of silence part for VoIP communication under the wireless LAN environment
Shun Kato, Takashi Imaizumi (Chiba Univ.) IN2018-145
Under the wireless LAN environment, when priority control using HCCA system is performed if a lot of sound communicatio... [more] IN2018-145
pp.367-371
CS, NS, IN, NV
(Joint)
2017-09-07
17:35
Miyagi Research Institute of Electrical Communication, Tohoku Univ. [Special Invited Talk] QoE Design and Management Methods for Telecommunication Services
Takanori Hayashi (Hiroshima Institute of Technology) NS2017-77 IN2017-29 CS2017-47
With the rapid spread of Internet and mobile telecommunications, everyone has easily become able to use various telecomm... [more] NS2017-77 IN2017-29 CS2017-47
pp.37-42(NS), pp.37-42(IN), pp.31-36(CS)
EA 2016-07-08
14:45
Shizuoka Yamaha, Toyooka Factory Artificial Bandwidth Extension of Narrow Band Speech Using Spectral Envelope and Voiceless Consonant Information
Shun Asawa, Yosuke Sugiura, Tetsuya shimamura (Saitama Univ.) EA2016-18
In this paper, we propose a new artificial bandwidth extension technique for telephone speech.
Usually, high frequency ... [more]
EA2016-18
pp.57-62
IN 2016-01-22
16:10
Aichi Nagoya Kigyou Fukushi Kaikan Assessment of Sense of Presence for 3D IP Phone Service under Actual Environments
Minoru Tsubota, Yoshihiro Ito (NIT) IN2015-107
This paper assesses the sense of presence under actual environments for the 3D IP phone service with the binaural 3D aud... [more] IN2015-107
pp.69-74
CQ 2015-09-01
09:10
Kyoto Kyoto Institute of Technology A Quality Improvement Method for VoIP on Mobile Networks Considering Delay Spikes
Koichi Nihei, Kozo Satoda (NEC), Hiroshi Yoshida (NEC/Tokyo Tech) CQ2015-40
Quality degradation of voice communication due to delay spikes, which are sudden large increases in the packet delay, is... [more] CQ2015-40
pp.1-6
CQ, CS
(Joint)
2015-04-21
16:10
Fukuoka Fukuoka Institute of Technology [Special Invited Talk] The history of VoIP technology and Future Trend
Yasubumi Chimura (OKI) CS2015-6 CQ2015-8
For transition of VoIP technology, and look back at the history of standardization, we consider the relationship between... [more] CS2015-6 CQ2015-8
pp.29-34(CS), pp.39-44(CQ)
CQ, CS
(Joint)
2015-04-22
14:50
Fukuoka Fukuoka Institute of Technology A study on measurement of quality of VoIP applications
Naoto Endou, Hideki Nojiri, Akira Takahashi (NTT) CQ2015-16
POLQA that corresponds to wideband as an objective evaluation method of voice quality are being utilized. With this tech... [more] CQ2015-16
pp.87-91
CQ, IMQ, MVE, IE
(Joint) [detail]
2015-03-03
10:45
Tokyo Seikei Univ. Evaluation of A Delay Spike Reduction Method on Real Mobile Networks
Koichi Nihei, Kozo Satoda (NEC) CQ2014-115
Since the transmission speed of mobile networks has accelerated and the function and performance of mobile terminals hav... [more] CQ2014-115
pp.19-24
MICT, ASN, MoNA
(Joint)
2015-01-27
15:45
Wakayama Nanki Shirahama Improvement of VoIP Service Quality Based on Quality of Experience
Hayato Sakurai, Eiji Kamioka (Shibaura Inst. of Tech.) MoNA2014-90
With advancement of IP-based information and communication technologies, VoIP services have been used widely and quickly... [more] MoNA2014-90
pp.153-158
CQ 2015-01-23
13:50
Tokyo   Effectiveness of User's Evaluation to Quality Improvement of VoIP Service
Hayato Sakurai, Eiji Kamioka (Shibaura Inst. of Tech.) CQ2014-110
With advancement of IP-based information and communication technologies, VoIP services have been used explosively. In a ... [more] CQ2014-110
pp.135-140
ICD, CPSY 2014-12-01
10:25
Tokyo Kikai-Shinko-Kaikan Bldg. Improvement of VoIP Service Quality by Packet Destruction based on Probabilistic Distribution
Hayato Sakurai, Eiji Kamioka (SIT) ICD2014-74 CPSY2014-86
With advancement of IP-based information and communication technologies, VoIP services have been used in various scenes.... [more] ICD2014-74 CPSY2014-86
pp.7-12
MoNA, CQ
(Joint)
2014-09-11
14:20
Miyagi   Improvement of VoIP Quality by Packet Control based on Pause of Conversation
Hayato Sakurai, Eiji Kamioka (Shibaura Inst. of Tech.) MoNA2014-37
With advancement of IP-based information and communication technologies, VoIP services such as “Skype” and “Line” have c... [more] MoNA2014-37
pp.37-42
MoNA, CQ
(Joint)
2014-09-12
15:45
Miyagi   A Delay Spike Reduction Method for VoIP Packets on Mobile Networks
Koichi Nihei, Kozo Satoda (NEC) CQ2014-67
Since smartphones have spread and the transmission rate of mobile networks has accelerated, a lot of VoIP services are p... [more] CQ2014-67
pp.159-164
IN 2014-04-17
14:15
Kyoto Kyotofu-Chusho-Kigyo-Kaikan Implementation and Analysis of TWP Method
Hisashi Takahara (Univ. of Niigata Prefecture) IN2014-4
Today, VoIP communication is used widely using Internet. Then reliability of communication depends on proxies provided. ... [more] IN2014-4
pp.17-22
NS, IN
(Joint)
2014-03-07
13:40
Miyazaki Miyazaki Seagia A Call Admission Control Method and Associated Routing Scheme for Wireless Mesh Networks by Using Link Available Bandwidth and Its Evaluation
Masahiro Noro, Koichi Asatani (Kogakuin Univ.) IN2013-202
Call admission control is to maintain QoS (Quality of Service) of existing calls and ensure QoS for a new incoming call.... [more] IN2013-202
pp.343-348
RCS, SR, SRW
(Joint)
2014-03-04
11:20
Tokyo Waseda Univ. Study on Device to Device Direct Communication underlaying LTE-Advanced Network in VoIP Traffic
Chiharu Yamazaki, Takahiro Saiwai, Masato Fujishiro, Kugo Morita (KYOCERA) RCS2013-355
Proximity Service (ProSe), which enables user equipment (UE) to discover other UEs in proximity and to communicate direc... [more] RCS2013-355
pp.295-300
CS 2013-07-04
10:50
Okinawa Fukugogata-Kokyo-Shisetsu (Yonaguni Island) ONU Deep Sleep with Retransmissions of Upper Layer Protocols
Hirotaka Ujikawa, Ken-Ichi Suzuki, Naoto Yoshimoto (NTT) CS2013-12
The current optical access network has a significant issue that lifeline services like the telephone service provided by... [more] CS2013-12
pp.25-29
NS, IN
(Joint)
2013-03-07
11:30
Okinawa Okinawa Zanpamisaki Royal Hotel Experimental Realization and Evaluation of IEEE 802.11n-based Seamless Handoff
Tatsuya Demizu, Hitoshi Aida (Univ. of Tokyo) NS2012-181
In this paper, we propose a new physical-layer handoff method that enables wireless LAN nodes to transit between IEEE 80... [more] NS2012-181
pp.95-100
NS, IN
(Joint)
2013-03-07
11:50
Okinawa Okinawa Zanpamisaki Royal Hotel Performance Evaluation of Video and Voice Communication considering the Traffic Characteristics in IEEE 802.11n Frame Aggregation
Shun Wakatsuki, Shiro Sakata (Chiba Univ.) IN2012-167
The demand for multimedia communications, such as video conferencing and voice communication, using IEEE 802.11n has bee... [more] IN2012-167
pp.77-82
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