Keio University

Published papers

Adachi, Koichi

1-20 items (total 141)

Radio and Computing Resource Allocation for Minimizing Total Processing Completion Time in Mobile Edge Computing

Author
Ryuji Kobayashi and Koichi Adachi
Publication Title
Magazine name IEEE Access Publisher IEEE Start Page 141119 - End Page 141132 (Publication Date)2019/09)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Network coding based payload concatenation for relay-assisted V2V communications

Author
Le Tien Trien, Koichi Adachi, Yasushi Yamao
Publication Title
Magazine name IEICE Communications Express Volume 7(Issue 4) Start Page 148 - End Page 153 (Publication Date)2018/04)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Packet relay-assisted V2V communication with sectorised relay station employing payload combining scheme

Author
Le Tien Trien, Koichi Adachi, Yasushi Yamao
Publication Title
Magazine name IET Commun. Volume 12(Issue 4) Start Page 458 - End Page 465 (Publication Date)2018/02)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Efficient CSMA/CA Packet Relay-Assisted Scheme with Payload Combining for ITS V2V Communication

Author
Le Tien Trien, Koichi Adachi, Yasushi Yamao
Publication Title
Magazine name J. of Information Processing Start Page 11 - End Page 19 (Publication Date)2018/01)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

A Distributed Resource Reservation Scheme for Handover Failure Reduction

Author
Koichi Adachi, Jingon Joung, Yuan Zhou, and Sumei Sun
Publication Title
Magazine name IEEE Wireless Commun. Lett. Publisher IEEE Volume 4(Issue 5) Start Page 537 - End Page 540 (Publication Date)2015/07)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

A Survey on Power-Amplifier-Centric Techniques for Spectrum- and Energy-Efficient Wireless Communications

Author
Jingon Joung, Chin Keong Ho, Koichi Adachi, and Sumei Sun
Publication Title
Magazine name IEEE Commun. Surveys & Tut. Publisher IEEE Volume 17(Issue 1) Start Page 315 - End Page 333 (Publication Date)2014/08)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Adaptive Coordinated Napping (CoNap) for Energy Saving in Wireless Networks

Author
Koichi Adachi, Jingon Joung, Sumei Sun, and Peng Hui Tan
Publication Title
Magazine name IEEE Transactions on Wireless Communications Publisher IEEE Volume 12(Issue 11) Start Page 5656 - End Page 5667 (Publication Date)2013/10)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Joint Cooperative-Transmit and Receive FDE for Single-Carrier Incremental Relaying

Author
Koichi Adachi, Kazuki Takeda, Sumei Sun, and Fumiyuki Adachi
Publication Title
Magazine name IEEE Trans. Veh. Technol. Publisher IEEE Volume 62(Issue 1) Start Page 1 - End Page 13 (Publication Date)2012/09)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Recursive QR packet combining for uplink single-carrier multi-user MIMO HARQ using near ML detection

Author
Tetsuya Yamamoto, Koichi Adachi, Sumei Sun, and Fumiyuki Adachi
Publication Title
Magazine name Wireless Commun. & Mobile Computing Volume 12(Issue 18) Start Page 1652 - End Page 1663 (Publication Date)2012/10)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Power Minimization of Cooperative Relay Transmission with Relay's Private Information

Author
Koichi Adachi, Sumei Sun, and Chin Keong Ho
Publication Title
Magazine name IEEE Transactions on Wireless Communications Publisher IEEE Volume 11(Issue 7) Start Page 2520 - End Page 2530 (Publication Date)2012/05)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Subcarrier Mapping for Single-User SC-FDMA Relay Communications

Author
Yu Hemmi, Koichi Adachi, and Tomoaki Ohtsuki
Publication Title
Magazine name IEICE Trans. Fundamentals Publisher IEICE Volume E94-A(Issue 12) Start Page 2776 - End Page 2779 (Publication Date)2011/12)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

An Autonomous Selective Cooperative ARQ Protocol for Hybrid Mobile Wireless Sensor Networks

Author
NandarLynn, Osamu Takyu, Koichi Adachi, Tomoaki Ohtsuki, and Masao Nakagawa
Publication Title
Magazine name Journal of Communications Publisher Scientific Research Publishing Volume 6(Issue 2) Start Page 157 - End Page 167 (Publication Date)2011/01)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Phase Rotation for Constructing Uniform Frequency Spectrum in IFDMA Communication

Author
Takeo Yamasaki, Osamu Takyu, Koichi Adachi, Yohtaro Umeda, and Masao Nakagawa
Publication Title
Magazine name IEICE Trans. Fundamentals Publisher IEICE Volume E93-A(Issue 12) Start Page 2672 - End Page 2681 (Publication Date)2010/12)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

On the Construction of Orthogonal Spreading Code Groups for MC-CDMA with FDE in a Frequency Selective Channel

Author
Koichi Adachi and Masao Nakagawa
Publication Title
Magazine name IEICE Trans. Commun. Publisher IEICE Volume E93-B(Issue 3) Start Page 650 - End Page 659 (Publication Date)2010/03)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Channel Capacity of MC-CDMA and Impact of Residual ICI

Author
Koichi Adachi, Fumiyuki Adachi, and Masao Nakagawa
Publication Title
Magazine name IEICE Trans. Commun. Publisher IEICE Volume E92-B(Issue 1) Start Page 209 - End Page 218 (Publication Date)2009/01)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

On Cellular MIMO Channel Capacity

Author
Koichi Adachi, Fumiyuki Adachi, and Masao Nakagawa
Publication Title
Magazine name IEICE Trans. Commun. Publisher IEICE Volume E91-B(Issue 7) Start Page 2366 - End Page 2373 (Publication Date)2008/07)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Relay Method of Sending Soft Decision Symbol Based on the Result of Error Detecting Code in Cooperative Communication

Author
Yuki Fukuyama, Osamu Takyu, Koichi Adachi, and Masao Nakagawa
Publication Title
Magazine name IEICE Trans. Fundamentals Publisher IEICE Volume E90-A(Issue 11) Start Page 2404 - End Page 2412 (Publication Date)2007/11)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Theoretical Analysis of Decision Directed Block Iterative Channel Estimation for OFDM Mobile Radio,

Author
Koichi Adachi and Masao Nakagawa
Publication Title
Magazine name IEICE Trans. Commun. Publisher IEICE Volume E90-B(Issue 7) Start Page 1764 - End Page 1772 (Publication Date)2007/07)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Iterative Modified QRD-M Based on CRC Codes for OFDM MIMO Multiplexing

Author
Koichi Adachi and Masao Nakagawa
Publication Title
Magazine name IEICE Trans. Commun. Publisher IEICE Volume E90-B(Issue 6) Start Page 1433 - End Page 1443 (Publication Date)2007/06)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Iterative QRM-MLD with Pilot Assisted Decision Directed Channel Estimation for OFDM MIMO Multiplexing

Author
Koichi Adachi, Riaz Esmailzadeh, and Masao Nakagawa
Publication Title
Magazine name IEICE Trans. Fundamentals Publisher IEICE Volume E89-A(Issue 7) Start Page 1892 - End Page 1902 (Publication Date)2006/07)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With