Presentation 2017-11-08
Real-time coefficient optimization method for PAM-4 transmitter equalizer
Yosuke Iijima, Keigo Taya, Yasushi Yuminaka,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) Recently, demands for high-speed data transmission in electric wiring in a VLSI system are increasing with the advancement of high performance of semiconductor elements and increaseing capacity of network communication. To increase the capacity of communication, multi-valued data transmission technique such as PAM-4 is used in chip-to-chip wiring. Using the multi-valued data transmission, the Nyquist frequency is decreased, and it is possible to increase the bit rate. However, the requirement of the S/N ratio at the receiving end to realize a desired symbol error rate is increased, and the influences of transmission distortion at the receiving end are increasesd. For this reason, a waveform shaping technique such as an equalizer for removing the distortion at the transmitter/receiver is indispensable. Furthermore, to improve the S/N ratio at the receiver, it is important to adjust the equalizer according to the transmission environment. Therefore, in this study, we propose an evaluation technique of waveform distortion for multi-valued signaling PAM-4. In addition, we show experimental result of real-time adjustment of transmitter equalizer using the proposed evaluation method.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) PAM-4 / Transmitter equalizer / Wavaform shaping / Real-time adjustment
Paper # VLD2017-56,DC2017-62
Date of Issue 2017-10-30 (VLD, DC)

Conference Information
Committee VLD / DC / CPSY / RECONF / CPM / ICD / IE / IPSJ-SLDM / IPSJ-EMB / IPSJ-ARC
Conference Date 2017/11/6(3days)
Place (in Japanese) (See Japanese page)
Place (in English) Kumamoto-Kenminkouryukan Parea
Topics (in Japanese) (See Japanese page)
Topics (in English) Design Gaia 2017 -New Field of VLSI Design-
Chair Hiroyuki Ochi(Ritsumeikan Univ.) / Michiko Inoue(NAIST) / Koji Nakano(Hiroshima Univ.) / Masato Motomura(Hokkaido Univ.) / Fumihiko Hirose(Yamagata Univ.) / Hideto Hidaka(Renesas) / Takayuki Hamamoto(Tokyo Univ. of Science) / Kiyoharu Hamaguchi(Shimane Univ.) / 渡辺 晴美(東海大) / Masahiro Goshima(NII)
Vice Chair Noriyuki Minegishi(Mitsubishi Electric) / Satoshi Fukumoto(Tokyo Metropolitan Univ.) / Hidetsugu Irie(Univ. of Tokyo) / Takashi Miyoshi(Fujitsu) / Yuichiro Shibata(Nagasaki Univ.) / Kentaro Sano(Tohoku Univ.) / Mayumi Takeyama(Kitami Inst. of Tech.) / Makoto Nagata(Kobe Univ.) / Kazuya Kodama(NII) / Hideaki Kimata(NTT)
Secretary Noriyuki Minegishi(Hiroshima City Univ.) / Satoshi Fukumoto(NTT) / Hidetsugu Irie(Kyoto Sangyo Univ.) / Takashi Miyoshi(Tokyo Inst. of Tech.) / Yuichiro Shibata(Utsunomiya Univ.) / Kentaro Sano(Hokkaido Univ.) / Mayumi Takeyama(Hiroshima City Univ.) / Makoto Nagata(e-trees.Japan) / Kazuya Kodama(Nihon Univ.) / Hideaki Kimata(Toyohashi Univ. of Tech.) / (Univ. of Tokyo) / (Panasonic) / (Nagoya Univ.)
Assistant / Masayuki Arai(Nihon Univ.) / Yasuaki Ito(Hiroshima Univ.) / Tomoaki Tsumura(Nagoya Inst. of Tech.) / Yuuki Kobayashi(NEC) / Hiroki Nakahara(Tokyo Inst. of Tech.) / Yuichi Akage(NTT) / Masanori Natsui(Tohoku Univ.) / Masatoshi Tsuge(Socionext) / Hiroyuki Ito(Tokyo Inst. of Tech.) / Pham Konkuha(Univ. of Electro-Comm.) / Yasutaka Matsuo(NHK) / Kazuya Hayase(NTT)

Paper Information
Registration To Technical Committee on VLSI Design Technologies / Technical Committee on Dependable Computing / Technical Committee on Computer Systems / Technical Committee on Reconfigurable Systems / Technical Committee on Component Parts and Materials / Technical Committee on Integrated Circuits and Devices / Technical Committee on Image Engineering / Special Interest Group on System and LSI Design Methodology / Special Interest Group on Embedded Systems / Special Interest Group on System Architecture
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Real-time coefficient optimization method for PAM-4 transmitter equalizer
Sub Title (in English)
Keyword(1) PAM-4
Keyword(2) Transmitter equalizer
Keyword(3) Wavaform shaping
Keyword(4) Real-time adjustment
1st Author's Name Yosuke Iijima
1st Author's Affiliation National Institute of Technology, Oyama college(NIT, Oyama college)
2nd Author's Name Keigo Taya
2nd Author's Affiliation National Institute of Technology, Oyama college(NIT, Oyama college)
3rd Author's Name Yasushi Yuminaka
3rd Author's Affiliation Gunma University(Gunma Univ.)
Date 2017-11-08
Paper # VLD2017-56,DC2017-62
Volume (vol) vol.117
Number (no) VLD-273,DC-274
Page pp.pp.177-182(VLD), pp.177-182(DC),
#Pages 6
Date of Issue 2017-10-30 (VLD, DC)