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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCC, ISEC, IT, WBS | 2024-03-14 15:30 |
Osaka | Osaka Univ. (Suita Campus) | A selection method of candidate constellation for the superimposed QAM signal method to reduce PAPR in OFDM system Takashi Aoki, Tsuyoshi Arai, Hiroshi Inai, Hideaki Wakabayashi (Okayama Prefectural Univ.)  IT2023-122 ISEC2023-121 WBS2023-110 RCC2023-104 |
Modulated signal of Orthogonal Frequency Division Multiplexing (OFDM) systems tend to have a large peak-to-average power... [more] | IT2023-122 ISEC2023-121 WBS2023-110 RCC2023-104 pp.294-299 |
| IN, IA (Joint) |
2021-12-17 10:15 |
Hiroshima | Higashi-Senda campus, Hiroshima Univ. (Primary: On-site, Secondary: Online) |
Improvement of delay reduction technology for fighting games using P2P communication Satoshi Shochiku, Hiroshi Inai, Tsuyoshi Arai, Hideaki Wakabayashi (Okayama Pref. Univ.) IN2021-21 |
In recent years, fighting games have been played all over the world, and through the use of the Internet, it is possible... [more] | IN2021-21 pp.17-21 |
| WBS, RCC, SAT, MICT (Joint) [detail] |
2021-05-21 10:10 |
Online | Online (Zoom) | PAPR characteristic of OFDM signal using QAM with a many-to-one mapping Takuma Kakiuchi, Tsuyoshi Arai, Hiroshi Inai, Hideaki Wakabayashi (Okayama Pref. Univ.) WBS2021-14 RCC2021-14 SAT2021-12 MICT2021-10 |
OFDM signals have high PAPR due to the nature of adding many subcarrier signals together. In this study, we focused on s... [more] | WBS2021-14 RCC2021-14 SAT2021-12 MICT2021-10 pp.72-76(WBS), pp.72-76(RCC), pp.60-64(SAT), pp.50-54(MICT) |
| CQ, CBE (Joint) |
2020-01-16 11:30 |
Tokyo | NHK Science & Technology Research Laboratories | Throughput improvement by enhancing the transmission probability and estimation method for the number of contenders under p-persistent CSMA/CA Kohei Futsuki (Okayama Pref. Univ. Grad. Sch.), Hiroshi Inai, Tsuyoshi Arai, Hideaki Wakabayashi (Okayama Pref. Univ.) CQ2019-114 |
The probability p of p-persistent CSMA/CA to maximize the throughput can be calculated from the packet length and the nu... [more] | CQ2019-114 pp.41-45 |
| IA, IN (Joint) |
2018-12-14 13:15 |
Hiroshima | Hiroshima Univ. | Proposal of access method to guarantee transmission opportunities for low-speed stations in wireless LANs Yamato watanabe, Hiroshi Inai (Okayama Pref. Univ.) IN2018-69 |
In order to solve the performance anomaly in a wireless LANs in which a plural transmission rates coexist, an access met... [more] | IN2018-69 pp.61-65 |
| IA, IN (Joint) |
2018-12-14 13:40 |
Hiroshima | Hiroshima Univ. | Throughput improvement of p-persistent CSMA/CA by modified method of estimation for the number of contenders Kohei Futsuki, Hiroshi Inai (Okayama Pref. Univ.) IN2018-70 |
Probability p of p-persistent CSMA/CA to maximize the throughput can be calculated from the packet length and the number... [more] | IN2018-70 pp.67-72 |
| CQ | 2018-01-19 14:50 |
Tokyo | NII | A method of sending out RTS/CTS frames with better timing on WLANs Yutaka Shimamura, Hiroshi Inai (Okayama Pref Univ) CQ2017-99 |
In order to avoid data frame collisions due to the hidden terminals, the wireless LANs practically use a method under wh... [more] | CQ2017-99 pp.81-85 |
| CQ | 2017-07-27 09:55 |
Hyogo | Kobe University | A fairness index based on the linear regression model Yutaka Shimamura, Hiroshi Inai (Okayama Pref. Univ.) CQ2017-30 |
Jain's index is widely used for a fairness measure. Under Jain's index, a fairness index value is between 0 and 1, and i... [more] | CQ2017-30 pp.7-11 |
| NS, IN (Joint) |
2017-03-02 09:30 |
Okinawa | OKINAWA ZANPAMISAKI ROYAL HOTEL | A Contention Resolution Scheme with Parameter Adjustment Mechanism for Multi-Channel CATV Networks Tomoya Saito (Yamaguchi Univ.), Hiroshi Inai (Okayama Prefectural Univ.) IN2016-106 |
In DOCSIS, an upstream channel is shared by many stations, and the stations send out their data PDUs according to the ra... [more] | IN2016-106 pp.55-60 |
| NS, RCS (Joint) |
2016-12-22 16:25 |
Ishikawa | A consideration on throughput improvement of p-persistent CSMA/CA Yukiko Kan, Hiroshi Inai (Okayama Pref Univ) NS2016-140 |
Wireless LANs adopt the CSMA/CA as their random access method. Although the CSMA/CA has a collision avoidance mechanis... [more] |
NS2016-140 pp.119-122 |
|
| IN, IA (Joint) |
2015-12-18 11:10 |
Hiroshima | Hiroshima City University | A Contention Resolution Scheme using Estimation of Offered Traffic for Multi-Channel CATV Networks Tomoya Saito (Yamaguchi Univ.), Hiroshi Inai (Okayama Prefectural Univ.) IN2015-86 |
[more] | IN2015-86 pp.89-94 |
| NS, RCS (Joint) |
2015-12-18 11:00 |
Ehime | Matsuyama Community Center | Improvement for Multi-Hop Communication on Energy Saving Cooperative MAC Protocol Keita Tsutsui, Hiroshi Inai (Okayama Pref. Univ.) RCS2015-257 |
In this report, to realize multi-hop communication on IEEE802.11 wireless LANs, we propose Multi-LECMAC (Lifetime Extend... [more] | RCS2015-257 pp.81-86 |
| IN | 2015-01-23 10:20 |
Aichi | Nagoya International Center | A Frame Collision Reduction Method to Achieve Transmission Time Fairness in Wireless LANs
-- A Consideration of Effectiveness Under Unsaturated Traffic -- Atsuki Suwashita, Hiroshi Inai (Okayama Pref Univ) IN2014-107 |
In wireless LANs, the distributed coordination function (DCF) is used as a standard access method to avoid frame collisi... [more] | IN2014-107 pp.53-57 |
| NS | 2014-01-23 14:10 |
Okinawa | Univ. of the Ryukyus | An Access Method to Achieve Airtime Fairness in Wireless LANs
-- Solutions for Data Frame Loss and Coexisting of DCF Stations -- Atsuki Suwashita, Hiroshi Inai (Okayama Pref. Univ.) NS2013-164 |
Under the wireless LANs, the distributed coordination function (DCF) is used as a standard access method to avoid frame ... [more] | NS2013-164 pp.7-12 |
| IN, NV (Joint) |
2013-07-19 09:45 |
Hokkaido | Hokkaido Univ. Faculty of Eng. Academic Lounge 3 | A Frame Collision Reduction Method to Achieve Airtime Fairness in IEEE 802.11 Wireless LANs Atsuki Suwashita, Hiroshi Inai (Okayama Pref. Univ.) IN2013-49 |
Under the standard access method of wireless LANs, each station uses a random backoff to avoid frame collisions, however... [more] | IN2013-49 pp.77-81 |
| IN | 2013-01-25 14:10 |
Kagoshima | Kagoshima-Ken-Sangyo-Kaikan | A Congestion Control Algorithm for Multipath TCP Fumiya Miura, Hiroshi Inai (Okayama Prefectural Univ.) IN2012-150 |
[more] | IN2012-150 pp.69-73 |
| WBS | 2012-07-26 10:00 |
Aichi | Nagoya Univ. | [Poster Presentation]
A study on PAPR reduction for the three-valued OFDM signal Takuya Nakashima, Tsuyoshi Arai, Hiroshi Inai (Okayama Pref. Univ.) WBS2012-20 |
OFDM (Orthogonal Frequency Division Multiplexing) is a digital modulation technique. The transmitted signal consists o... [more] |
WBS2012-20 pp.59-63 |
| WBS | 2012-07-26 10:00 |
Aichi | Nagoya Univ. | [Poster Presentation]
Performance Evaluation of CSK Spread ALOHA with SIC under Nakagami-Rice fading Keisuke Sogo, Tsuyoshi Arai, Hiroshi Inai (Okayama Pref. Univ.) WBS2012-21 |
CSK Spread ALOHA system, combined Spread ALOHA system with Code Shift Keying (CSK), can improve the maximum throughput ... [more] | WBS2012-21 pp.65-70 |
| IN, IA (Joint) |
2011-12-16 13:15 |
Hiroshima | Hiroshima City University | A Network Scan Detection Algorithm
-- Using Dynamic Threshold -- Fumiya Miura, Hiroshi Inai (Okayama Pref Univ.) IA2011-52 |
As the Internet grows, network attacks by malicious clients and botnets are increasing. So, we should protect our own ne... [more] | IA2011-52 pp.43-47 |
| AP, RCS (Joint) |
2011-11-16 15:30 |
Aichi | Nagoya Congress Center | Enhancement of solution for the hidden terminal problem by using random length signals in wireless LANs Kento Yamamoto, Hiroshi Inai (Okayama Prefectural Univ.) RCS2011-202 |
The hidden terminal problem is a big problem when we use wireless networks．To solve that problem，RTS/CTS is used in IEEE... [more] | RCS2011-202 pp.79-84 |
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