Chang-Jun Ahn: search on Z-Library

The world's largest scientific articles store. 70,000,000+ articles for free.

Don't use scam websites

1

[IEEE 2018 26th International Conference on Software, Telecommunications and Computer Networks (SoftCOM) - Split, Croatia (2018.9.13-2018.9.15)] 2018 26th International Conference on Software, Telecommunications and Computer Networks (SoftCOM) - Adaptive Switching Method with AMC and FSS

Kojima, Shun, Akao, Takashi, Watanabe, Koya, Katsuno, Masato, Maruta, Kazuki, Ahn, Chang-Jun

Year:

2018

Language:

english

File:

PDF, 441 KB

english, 2018

2

Interference Cancellation Using Replica Signal for HTRCI-MIMO/OFDM in Time-Variant Large Delay Spread Longer Than Guard Interval

Ida, Yuta, Ahn, Chang-Jun, Kamio, Takeshi, Fujisaka, Hisato, Haeiwa, Kazuhisa

Journal:

Journal of Electrical and Computer Engineering

Year:

2012

Language:

english

File:

PDF, 642 KB

english, 2012

3

Unitary matrix modulation with splitting over the coherence bandwidth for OFDM in a single antenna system

Journal:

Wireless Communications and Mobile Computing

Year:

2006

Language:

english

File:

PDF, 174 KB

english, 2006

4

[IEEE 2012 IEEE International Ultrasonics Symposium - Dresden, Germany (2012.10.7-2012.10.10)] 2012 IEEE International Ultrasonics Symposium - Dual-T SAW tunable band elimination filter and its application to wideband UHF VCSO

Omori, Tatsuya, Matsuoka, Naoto, Ahn, Chang-Jun, Yamaguchi, Masatsune, Hashimoto, Ken-ya

Year:

2012

Language:

english

File:

PDF, 317 KB

english, 2012

5

[IEEE Proceedings. ISCC 2004. Ninth International Symposium on Computers And Communications - Alexandria, Egypt (28 June-1 July 2004)] Proceedings. ISCC 2004. Ninth International Symposium on Computers And Communications (IEEE Cat. No.04TH8769) - Reverse link performance improvement for an wideband OFDM using Alamouti coded heterogeneous polarization antennas

Chang-Jun Ahn,, Kamio, K., Takahashi, S., Harada, H.

Year:

2004

Language:

english

File:

PDF, 513 KB

english, 2004

6

[IEEE 2007 Asia-Pacific Conference on Communications - Bangkok, Thailand (2007.10.18-2007.10.20)] 2007 Asia-Pacific Conference on Communications - Time-frequency interferometry for OFDM

Chang-Jun Ahn,, Satoshi Takahashi,, Kazuhisa Haeiwa,

Year:

2007

Language:

english

File:

PDF, 559 KB

english, 2007

7

[IEEE 2011 IEEE International Ultrasonics Symposium (IUS) - Orlando, FL, USA (2011.10.18-2011.10.21)] 2011 IEEE International Ultrasonics Symposium - Theoretical considerations on suppression mechanism of spurious transverse mode resonances in wideband SAW resonators on LiNbO3

Omori, Tatsuya, Suyama, Takahiro, Shimada, Kenta, Chang-Jun Ahn,, Yamaguchi, Masatsune, Hashimoto, Ken-ya

Year:

2011

Language:

english

File:

PDF, 160 KB

english, 2011

8

An applicable 5.8 GHz wireless power transmission system with rough beamforming to Project Loon

Journal:

Year:

2016

Language:

english

File:

PDF, 547 KB

english, 2016

9

[IEEE 2005 IEEE 16th International Symposium on Personal, Indoor and Mobile Radio Communications - Berlin, Germany (11-14 Sept. 2005)] 2005 IEEE 16th International Symposium on Personal, Indoor and Mobile Radio Communications - Adaptive Subcarrier Block Modulation with Differentially Modulated Pilot Symbol Assistance for Downlink OFDM Using Uplink Delay Spread

Chang-Jun Ahn,, Takahashi, S., Harada, H.

Year:

2005

Language:

english

File:

PDF, 2.10 MB

english, 2005

10

[IEEE 2015 IEEE International Ultrasonics Symposium (IUS) - Taipei, Taiwan (2015.10.21-2015.10.24)] 2015 IEEE International Ultrasonics Symposium (IUS) - Study of power durability measurement of RF SAW devices for IEC standardization

Omori, Tatsuya, Ohara, Shunsuke, Chang-Jun Ahn,, Hashimoto, Ken-ya

Year:

2015

Language:

english

File:

PDF, 1.10 MB

english, 2015

11

[IEEE 2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications - Barcelona, Spain (5-8 Sept. 2004)] 2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) - Dynamic parameter controlled orthogonal frequency and time division multiple access

Harada, H., Chang-Jun Ahn,, Takahashi, S., Kamio, Y., Sampei, S.

Year:

2004

Language:

english

File:

PDF, 592 KB

english, 2004

12

[IEEE 2018 18th International Symposium on Communications and Information Technologies (ISCIT) - Bangkok, Thailand (2018.9.26-2018.9.29)] 2018 18th International Symposium on Communications and Information Technologies (ISCIT) - Iterative Channel Estimation with Polar Codes for Short Block Transmission

Yonei, Kentaro, Watanabe, Koya, Maruta, Kazuki, Ahn, Chang-Jun

Year:

2018

Language:

english

File:

PDF, 1.09 MB

english, 2018

13

[IEEE 2018 IEEE Seventh International Conference on Communications and Electronics (ICCE) - Hue (2018.7.18-2018.7.20)] 2018 IEEE Seventh International Conference on Communications and Electronics (ICCE) - Transmit Power Imbalance Reduction Method and Nonlinear Companding Transform for Beamforming OFDM Systems

Taroda, Satoshi, Maruta, Kazuki, Ahn, Chang-Jun

Year:

2018

Language:

english

File:

PDF, 1.71 MB

english, 2018

14

Performance enhancement of TFI-OFDM with path selection based channel identification

Takeshi Yoshimura, Chang-Jun Ahn, Takeshi Kamio, Hisato Fujisaka, Kazuhisa Haeiwa

Journal:

Digital Signal Processing

Year:

2009

Language:

english

File:

PDF, 409 KB

english, 2009

15

Achievable throughput enhancement based on modified carrier interferometry for MIMO/OFDM

Journal:

Digital Signal Processing

Year:

2010

Language:

english

File:

PDF, 576 KB

english, 2010

16

HTRCI and Channel Ranking Based Joint Symbols Detection for MQRD-PCM/MIMO-OFDM

Journal:

Wireless Personal Communications

Year:

2010

Language:

english

File:

PDF, 441 KB

english, 2010

17

Frequency symbol spreading based adaptive subcarrier block selection for OFDMA system

Chang-Jun Ahn, Dongsoo Har, Tatsuya Omori, Ken-ya Hashimoto

Journal:

Digital Signal Processing

Year:

2012

Language:

english

File:

PDF, 581 KB

english, 2012

18

Power Consumption for Coherent Optical Orthogonal Frequency Division Multiplexing With Punctured LDPC Codes and Variable Amplitude Block Codes

Chang-Jun Ahn, Takahashi, S., Fujisaka, H., Kamio, T., Haeiwa, K.

Journal:

Journal of Lightwave Technology

Year:

2008

Language:

english

File:

PDF, 935 KB

english, 2008

19

Sorter-Based Arithmetic Circuits for Sigma-Delta Domain Signal Processing—Part I: Addition, Approximate Transcendental Functions, and Log-Domain Operations

Fujisaka, Hisato, Kamio, Takeshi, Ahn, Chang-Jun, Sakamoto, Masahiro, Haeiwa, Kazuhisa

Journal:

IEEE Transactions on Circuits and Systems I Fundamental Theory and Applications

Year:

2012

Language:

english

File:

PDF, 3.21 MB

english, 2012

20

Sorter-Based Arithmetic Circuits for Sigma-Delta Domain Signal Processing—Part II: Multiplication and Algebraic Functions

Fujisaka, Hisato, Sakamoto, Masahiro, Ahn, Chang-Jun, Kamio, Takeshi, Haeiwa, Kazuhisa

Journal:

IEEE Transactions on Circuits and Systems I Fundamental Theory and Applications

Year:

2012

Language:

english

File:

PDF, 3.04 MB

english, 2012

21

[IEEE 6th International Conference on Properties and Applications of Dielectric Materials - Xi'an, China (21-26 June 2000)] Proceedings of the 6th International Conference on Properties and Applications of Dielectric Materials (Cat. No.00CH36347) - A study of partial discharge pattern analysis using artificially defected epoxy resin bushing in the ring voltage detecting sensor

Sang-Ho Ahn,, Jun-Ho Lee,, Chang-Jun Lee,, Gil-Ho Ham,, Jong-Hwa Park,

Year:

2000

Language:

english

File:

PDF, 364 KB

english, 2000

22

Dynamic Audit Services for Outsourced Storages in Clouds

Yan Zhu,, Gail-Joon Ahn,, Hongxin Hu,, Yau, S. S., An, H. G., Chang-Jun Hu,

Journal:

IEEE Transactions on Services Computing

Year:

2013

Language:

english

File:

PDF, 2.29 MB

english, 2013

23

Variable packet splitting transmission in multi-relay cooperative communications with DF and DAF for SC-FDMA

Yuta Ida, Chang-Jun Ahn, Takeshi Kamio…

Journal:

EURASIP Journal on Wireless Communications and Networking

Year:

2013

Language:

english

File:

PDF, 255 KB

english, 2013

24

[IEEE 2009 European Conference on Circuit Theory and Design (ECCTD 2009) - Antalya, Turkey (2009.08.23-2009.08.27)] 2009 European Conference on Circuit Theory and Design - A single-eletron bandpass digital wave filter

Yasuno, Takashi, Suzuki, Yoshinao, Fujisaka, Hisato, Kamio, Takeshi, Ahn, Chang-Jun, Haeiwa, Kazuhisa

Year:

2009

Language:

english

File:

PDF, 2.81 MB

english, 2009

25

[IEEE 2011 IEEE International Ultrasonics Symposium (IUS) - Orlando, FL, USA (2011.10.18-2011.10.21)] 2011 IEEE International Ultrasonics Symposium - Extension of scalar potential formalism for transverse mode analysis of surface acoustic wave resonators

Hashimoto, Ken-ya, Omori, Tatsuya, Ahn, Chang-Jun

Year:

2011

Language:

english

File:

PDF, 551 KB

english, 2011

26

A Sigma-Delta Domain Lowpass Wave Filter

Fujisaka, Hisato, Kamio, Takeshi, Ahn, Chang-Jun, Sakamoto, Masahiro, Haeiwa, Kazuhisa

Journal:

IEEE Transactions on Circuits and Systems I: Regular Papers

Year:

2015

Language:

english

File:

PDF, 2.11 MB

english, 2015

27

[IEEE 2013 IEEE RIVF International Conference on Computing & Communication Technologies, Research, Innovation, and Vision for the Future (RIVF) - Hanoi, Vietnam (2013.11.10-2013.11.13)] The 2013 RIVF International Conference on Computing & Communication Technologies - Research, Innovation, and Vision for Future (RIVF) - Power priority selection and adaptive clipping with peak reduction signal for MUDiv/OFDMA

Kuroha, Akihiro, Ahn, Chang-Jun, Omori, Tastuya, Hasimoto, Ken-ya

Year:

2013

Language:

english

File:

PDF, 1.90 MB

english, 2013

28

[IEEE 2013 19th Asia-Pacific Conference on Communications (APCC) - Denpasar, Indonesia (2013.08.29-2013.08.31)] 2013 19th Asia-Pacific Conference on Communications (APCC) - Mitigated deep faded channel with relay node allocation for MUDiv/OFDMA

Ida, Yuta, Ahn, Chang-Jun, Matsumoto, Takahiro, Matsufuji, Shinya

Year:

2013

Language:

english

File:

PDF, 476 KB

english, 2013

29

[IEEE TENCON 2011 - 2011 IEEE Region 10 Conference - Bali, Indonesia (2011.11.21-2011.11.24)] TENCON 2011 - 2011 IEEE Region 10 Conference - Complexity reduction method with low granularity block selection for TFI-MUDiv/OFDMA

Ida, Yuta, Ahn, Chang-Jun, Kamio, Takeshi, Fujisaka, Hisato, Haeiwa, Kazuhisa

Year:

2011

Language:

english

File:

PDF, 890 KB

english, 2011

30

[IEEE 2013 IEEE RIVF International Conference on Computing & Communication Technologies, Research, Innovation, and Vision for the Future (RIVF) - Hanoi, Vietnam (2013.11.10-2013.11.13)] The 2013 RIVF International Conference on Computing & Communication Technologies - Research, Innovation, and Vision for Future (RIVF) - Interference compensation scheme using time domain replica signals for SP-MIMO/OFDM under large delay spread channel greater than GI

Sakaue, Taichi, Yoshimura, Tomoki, Ida, Yuta, Ahn, Chang-Jun, Omori, Tastuya, Hasimoto, Ken-ya

Year:

2013

Language:

english

File:

PDF, 893 KB

english, 2013

31

[IEEE 2013 Sixth International Workshop on Signal Design and its Applications in Communications (IWSDA) - Tokyo, Japan (2013.10.27-2013.11.1)] The Sixth International Workshop on Signal Design and Its Applications in Communications - Non-linear fast fading compensation for HTRCI-MIMO/OFDM with QRM-MLD and channel ranking

Ida, Yuta, Yofune, Masanori, Ahn, Chang-Jun, Matsumoto, Takahiro, Matsufuji, Shinya

Year:

2013

Language:

english

File:

PDF, 808 KB

english, 2013

32

Pilot symbol assisted high speed packet transmission system based on adaptive OFDM in broadband mobile channel

Ahn, Chang-Jun, Sasase, Iwao

Journal:

Journal of Communications and Networks

Year:

2003

Language:

english

File:

PDF, 347 KB

english, 2003

33

[IEEE TENCON 2011 - 2011 IEEE Region 10 Conference - Bali, Indonesia (2011.11.21-2011.11.24)] TENCON 2011 - 2011 IEEE Region 10 Conference - Non-linear channel compensation method for OFDM under fast fading channel

Soejima, Shogo, Ida, Yuta, Ahn, Chang-Jun, Omori, Tatsuya, Hashimoto, Kenya

Year:

2011

Language:

english

File:

PDF, 1.03 MB

english, 2011

34

[IEEE 2013 Sixth International Workshop on Signal Design and its Applications in Communications (IWSDA) - Tokyo, Japan (2013.10.27-2013.11.1)] The Sixth International Workshop on Signal Design and Its Applications in Communications - IQ imbalance estimation and compensation schemes based on time frequency interferometry for OFDM

Oka, Hikaru, Ahn, Chang-Jun, Omori, Tatsuya, Hashimoto, Ken-ya

Year:

2013

Language:

english

File:

PDF, 1.14 MB

english, 2013

35

[IEEE Applications (ISSSTA) - Taichung, Taiwan (2010.10.17-2010.10.20)] 2010 IEEE 11th International Symposium on Spread Spectrum Techniques and Applications - Throughput performance enhancement for multiuser diversity OFDMA using MMSE equalization without guard interval

Ida, Yuta, Ahn, Chang-Jun, Kamio, Takeshi, Fujisaka, Hisato, Haeiwa, Kazuhisa

Year:

2010

Language:

english

File:

PDF, 353 KB

english, 2010

36

[IEEE 2013 7th International Conference on Signal Processing and Communication Systems (ICSPCS) - Carrara - Gold Coast, Australia (2013.12.16-2013.12.18)] 2013, 7th International Conference on Signal Processing and Communication Systems (ICSPCS) - Single symbol decodable QO-STBC with full diversity

Yoda, Naotoshi, Wenjian Wang,, Chang-Jun Ahn,

Year:

2013

Language:

english

File:

PDF, 725 KB

english, 2013

37

[IEEE TENCON 2011 - 2011 IEEE Region 10 Conference - Bali, Indonesia (2011.11.21-2011.11.24)] TENCON 2011 - 2011 IEEE Region 10 Conference - Path-selection based adaptive guard interval for TFI-OFDM system

Yoshimura, Tomoki, Ahn, Chang-Jun, Omori, Tatsuya, Hashimoto, Ken-ya

Year:

2011

Language:

english

File:

PDF, 1.14 MB

english, 2011

38

[IEEE 2009 6th IEEE Consumer Communications and Networking Conference (CCNC) - Las Vegas, Nevada, USA (2009.01.10-2009.01.13)] 2009 6th IEEE Consumer Communications and Networking Conference - Channel Ranking Based Joint Symbols Detection for MQRD-PCM/MIMO-OFDM

Year:

2009

Language:

english

File:

PDF, 172 KB

english, 2009

39

[IEEE 2005 IEEE International Conference on Personal Wireless Communications, 2005. ICPWC 2005. - New Delhi, India (Jan. 23-25, 2005)] 2005 IEEE International Conference on Personal Wireless Communications, 2005. ICPWC 2005. - Enhancement of MLD for SDM/OFDM using power imbalance of polarization and pre-phase distortion scheme

Chang-Jun Ahn,, Takahashi, S., Harada, H., Kamio, Y.

Year:

2005

Language:

english

File:

PDF, 410 KB

english, 2005

40

[IEEE 2007 Asia-Pacific Conference on Communications - Bangkok, Thailand (2007.10.18-2007.10.20)] 2007 Asia-Pacific Conference on Communications - Power consumption for coherent optical orthogonal frequency division multiplexing with punctured LDPC codes and variable amplitude block codes

Chang-Jun Ahn,, Satoshi Takahashi,, Takeshi Kamio,, Hisato Fujisaka,, Kazuhisa Haeiwa,

Year:

2007

Language:

english

File:

PDF, 664 KB

english, 2007

41

[IEEE 2013 IEEE 2nd Global Conference on Consumer Electronics (GCCE) - Tokyo, Japan (2013.10.1-2013.10.4)] 2013 IEEE 2nd Global Conference on Consumer Electronics (GCCE) - Enhancement of cell-edge throughput performance with CoMP transmission using QO-STBC scheme

Okubo, Kei, Ahn, Chang-Jun, Omori, Tatsuya, Hashimoto, Ken-ya

Year:

2013

Language:

english

File:

PDF, 362 KB

english, 2013

42

[IEEE 2008 5th IEEE Consumer Communications and Networking Conference - Las Vegas, Nevada, USA (2008.01.10-2008.01.12)] 2008 5th IEEE Consumer Communications and Networking Conference - High Time Resolution Carrier Interferometry for MIMO/OFDM

Year:

2008

Language:

english

File:

PDF, 223 KB

english, 2008

43

[IEEE 2006 Innovations in Information Technology - Dubai, United Arab Emirates (2006.11.19-2006.11.21)] 2006 Innovations in Information Technology - Transmit Sector Selection with Considering the Link Correlation for SDM/OFDM Systems

Ahn, Chang-jun, Takahashi, Satoshi, Taromaru, Makoto

Year:

2006

Language:

english

File:

PDF, 497 KB

english, 2006

44

[IEEE 2006 First International Conference on Communications and Electronics - Hanoi, Vietnam (2006.10.10-2006.10.11)] 2006 First International Conference on Communications and Electronics - Effects of Partial Blocking of Transmission Array Antenna on Transmission Performance of MIMO Eigenbeam Space-Division Multiplexing

Takahashi, Satoshi, Kobayashi, Takehiko, Ahn, Chang-Jun, Ishida, Kenji

Year:

2006

Language:

english

File:

PDF, 4.78 MB

english, 2006

45

[IEEE 2008 The Second International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies (UBICOMM) - Valencia, Spain (2008.09.29-2008.10.4)] 2008 The Second International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies - Subcarrier Block Power Control for Adaptive Downlink OFDM with Frequency Spreading and Equalization

Ahn, Chang-Jun, Kamio, Takeshi, Fujisaka, Hisato, Haeiwa, Kazuhisa

Year:

2008

Language:

english

File:

PDF, 227 KB

english, 2008

46

[IEEE 2007 Asia-Pacific Conference on Communications - Bangkok, Thailand (2007.10.18-2007.10.20)] 2007 Asia-Pacific Conference on Communications - A battery saving method based on coordinate and individual sleeps for ad-hoc terminals

Satoshi Takahashi,, Chang-Jun Ahn,, Kenji Ishida,

Year:

2007

Language:

english

File:

PDF, 396 KB

english, 2007

47

[IEEE 2008 3rd International Symposium on Wireless Pervasive Computing (ISWPC) - Santorini, Greece (2008.05.7-2008.05.9)] 2008 3rd International Symposium on Wireless Pervasive Computing - Parallel detection algorithm using multiple QR decompositions with permuted channel matrix for SDM/OFDM

Year:

2008

Language:

english

File:

PDF, 206 KB

english, 2008

48

[IEEE 2005 IEEE International Conference on Personal Wireless Communications, 2005. ICPWC 2005. - New Delhi, India (Jan. 23-25, 2005)] 2005 IEEE International Conference on Personal Wireless Communications, 2005. ICPWC 2005. - 100Mbps and beyond hotspot communication prototypes for next generation mobile communication systems

Harada, H., Chang-Jun Ahn,, Takahashi, S.

Year:

2005

Language:

english

File:

PDF, 454 KB

english, 2005

49

[IEEE 2009 IEEE 13th International Symposium on Consumer Electronics (ISCE) - Kyoto, Japan (2009.05.25-2009.05.28)] 2009 IEEE 13th International Symposium on Consumer Electronics - HTRCI with channel ranking based joint signal detection for MQRD-PCM/MIMO-OFDM

Ahn, Chang-Jun, Kazuhisa Haeiwa,

Year:

2009

Language:

english

File:

PDF, 291 KB

english, 2009

50

[IEEE 2008 8th IEEE Conference on Nanotechnology (NANO) - Arlington, Texas, USA (2008.08.18-2008.08.21)] 2008 8th IEEE Conference on Nanotechnology - Single-Electron Arithmetic Circuits for Sigma-Delta Domain Signal Processing

Katao, Tsubasa, Suzuki, Yoshinao, Fujisaka, Hisato, Kamio, Takeshi, Ahn, Chang-Jun, Haeiwa, Kazuhisa

Year:

2008

Language:

english

File:

PDF, 265 KB

english, 2008