• 889 Citations
  • 14 h-Index
1994 …2020

Research output per year

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Research Output

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Conference contribution
2008

Dynamically reconfigurable architecture for multi-rate compatible regular LDPC decoding

Nagashima, A., Imai, Y., Togawa, N., Yanagisawa, M. & Ohtsuki, T., 2008, IEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS. p. 705-708 4 p. 4746121

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

FIR filter design on flexible engine/generic ALU array and its dedicated synthesis algorithm

Tamura, R., Honma, M., Togawa, N., Yanagisawa, M., Ohtsuki, T. & Satoh, M., 2008, IEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS. p. 701-704 4 p. 4746120

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

GECOM: Test data compression combined with all unknown response masking

Shi, Y., Togawa, N., Yanagisawa, M. & Ohtsuki, T., 2008, Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC. p. 577-582 6 p. 4484018

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

High-level synthesis algorithms with floorplaning for distributed/shared- register architectures

Ohchi, A., Togawa, N., Yanagisawa, M. & Ohtsuki, T., 2008, 2008 International Symposium on VLSI Design, Automation, and Test, VLSI-DAT. p. 164-167 4 p. 4542438

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

Scalable unified dual-radix architecture for Montgomery multiplication in GF{P) and GF(2n)

Tanimura, K., Nara, R., Kohara, S., Shimizu, K., Shi, Y., Togawa, N., Yanagisawa, M. & Ohtsuki, T., 2008, Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC. p. 697-702 6 p. 4484041

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Unknown response masking with minimized observable response loss and mask data

Shi, Y., Togawa, N., Yanagisawa, M. & Ohtsuki, T., 2008, IEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS. p. 1779-1781 3 p. 4746386

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2007

Design for secure test - A case study on pipelined advanced encryption standard

Shi, Y., Togawa, N., Yanagisawa, M. & Ohtsuki, T., 2007, Proceedings - IEEE International Symposium on Circuits and Systems. p. 149-152 4 p. 4252593

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Power-efficient LDPC code decoder architecture

Shimizu, K., Togawa, N., Ikenaga, T. & Goto, S., 2007, Proceedings of the International Symposium on Low Power Electronics and Design. p. 359-362 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)
2006

An interface-circuit synthesis method with configurable processor core in IP-based SoC designs

Kohara, S., Tomono, N., Uchida, J., Miyaoka, Y., Togawa, N., Yanagisawa, M. & Ohtsuki, T., 2006, Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC. Vol. 2006. p. 594-599 6 p. 1594750

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

A parallel LSI architecture for LDPC decoder improving message-passing schedule

Shimizu, K., Ishikawa, T., Togawa, N., Ikenaga, T. & Goto, S., 2006, Proceedings - IEEE International Symposium on Circuits and Systems. p. 5099-5102 4 p. 1693779

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

FCSCAN: An efficient multiscan-based test compression technique for test cost reduction

Shi, Y., Togawa, N., Kimura, S., Yanagisawa, M. & Ohtsuki, T., 2006, Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC. Vol. 2006. p. 653-658 6 p. 1594760

Research output: Chapter in Book/Report/Conference proceedingConference contribution

14 Citations (Scopus)

Memory-efficient accelerating schedule for LDPC decoder

Shimizu, K., Togawa, N., Ikenaga, T. & Goto, S., 2006, IEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS. p. 1317-1320 4 p. 4145643

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2005

A processor core synthesis system in IP-based SoC design

Tomono, N., Kohara, S., Uchida, J., Miyaoka, Y., Togawa, N., Yanagisawa, M. & Ohtsuki, T., 2005, Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC. Vol. 1. p. 286-291 6 p. 1466175

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Low power test compression technique for designs with multiple scan chains

Shi, Y., Togawa, N., Kimura, S., Yanagisawa, M. & Ohtsuki, T., 2005, Proceedings of the Asian Test Symposium. Vol. 2005. p. 386-389 4 p. 1575460

Research output: Chapter in Book/Report/Conference proceedingConference contribution

17 Citations (Scopus)

Partially-parallel LDPC decoder based on high-efficiency message-passing algorithm

Shimizu, K., Ishikawa, T., Togawa, N., Ikenaga, T. & Goto, S., 2005, Proceedings - IEEE International Conference on Computer Design: VLSI in Computers and Processors. Vol. 2005. p. 503-510 8 p. 1524200

Research output: Chapter in Book/Report/Conference proceedingConference contribution

26 Citations (Scopus)

Reconfigurable adaptive FEC system with interleaving

Shimizu, K., Togawa, N., Ikenaga, T. & Goto, S., 2005, Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC. Vol. 2. p. 1252-1255 4 p. 1466570

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sub-operation parallelism optimization in SIMD processor synthesis and its experimental evaluations

Togawa, N., Kawazu, H., Uchida, J., Miyaoka, Y., Yanagisawa, M. & Ohtsuki, T., 2005, Proceedings - IEEE International Symposium on Circuits and Systems. p. 3499-3502 4 p. 1465383

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2004

A cosynthesis algorithm for application specific processors with heterogeneous datapaths

Miyaoka, Y., Togawa, N., Yanagisawa, M. & Ohtsuki, T., 2004, Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC. p. 250-255 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Alternative run-length coding through scan chain reconfiguration for joint minimization of test data volume and power consumption in scan test

Shi, Y., Kimura, S., Togawa, N., Yanagisawa, M. & Ohtsuki, T., 2004, Proceedings of the Asian Test Symposium. p. 432-437 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

An efficient algorithm/architecture codesign for image encoders

Choi, J., Togawa, N., Ikenaga, T., Goto, S., Yanagisawa, M. & Ohtsuki, T., 2004, Midwest Symposium on Circuits and Systems. Vol. 2.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

A reconfigurable adaptive FEC system for reliable wireless communications

Shimizu, K., Togawa, N., Ikenaga, T., Yanagisawa, M., Goto, S. & Ohtsuki, T., 2004, IEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS. Vol. 1. p. 13-16 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

A thread partitioning algorithm in low power high-level synthesis

Uchida, J., Togawa, N., Yanagisawa, M. & Ohtsuki, T., 2004, Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC. p. 74-79 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Experimental evaluation of high-level energy optimization based on thread partitioning

Uchida, J., Miyaoka, Y., Togawa, N., Yanagisawa, M. & Ohtsuki, T., 2004, IEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS. Vol. 1. p. 161-164 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Instruction set and functional unit synthesis for SIMD processor cores

Togawa, N., Tachikake, K., Miyaoka, Y., Yanagisawa, M. & Ohtsuki, T., 2004, Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC. p. 743-750 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Reducing test data volume for multiscan-based designs through single/sequence mixed encoding

Shi, Y., Kimura, S., Togawa, N., Yanagisawa, M. & Ohtsuki, T., 2004, Midwest Symposium on Circuits and Systems. Vol. 2.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)
2003

A hardware/software partitioning algorithm for SIMD processor cores

Tachikake, K., Togawa, N., Miyaoka, Y., Choi, J., Yanagisawa, M. & Ohtsuki, T., 2003, Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC. Institute of Electrical and Electronics Engineers Inc., Vol. 2003-January. p. 135-140 6 p. 1195006

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)
2002

An algorithm of hardware unit generation for processor core synthesis with packed SIMD type instructions

Miyaoka, Y., Choi, J., Togawa, N., Yanagisawa, M. & Ohtsuki, T., 2002, IEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS. Institute of Electrical and Electronics Engineers Inc., Vol. 1. p. 171-176 6 p. 1114930

Research output: Chapter in Book/Report/Conference proceedingConference contribution

VLSI architecture for a flexible motion estimation with parameters

Choi, J., Togawa, N., Yanagisawa, M. & Ohtsuki, T., 2002, Proceedings - 7th Asia and South Pacific Design Automation Conference, 15th International Conference on VLSI Design, ASP-DAC/VLSI Design 2002. Institute of Electrical and Electronics Engineers Inc., p. 452-457 6 p. 994962

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)
2001

Area/delay estimation for digital signal processor cores

Miyaoka, Y., Kataoka, Y., Togawa, N., Yanagisawa, M. & Ohtsuki, T., 2001, Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC. Institute of Electrical and Electronics Engineers Inc., Vol. 2001-January. p. 156-161 6 p. 913297

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)
2000

A hardware/software partitioning algorithm for digital signal processor cores with two types of register files

Togawa, N., Sakurai, T., Yanagisawa, M. & Ohtsuki, T., 2000, IEEE Asia-Pacific Conference on Circuits and Systems - Proceedings. p. 544-547 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

An area/time optimizing algorithm in high-level synthesis for control-based hardwares

Togawa, N., Ienaga, M., Yanagisawa, M. & Ohtsuki, T., 2000, Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC. p. 309-312 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)
1997

Simultaneous placement and global routing algorithm with path length constraints for transport-processing FPGAs

Togawa, N., Sato, M. & Ohtsuki, T., 1997, Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC. Piscataway, NJ, United States: IEEE, p. 569-578 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)
1996

Performance-oriented circuit partitioning algorithm with logic-block replication for multi-FPGA systems

Togawa, N., Sato, M. & Ohtsuki, T., 1996, IEEE Asia-Pacific Conference on Circuits and Systems - Proceedings. Piscataway, NJ, United States: IEEE, p. 294-297 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)
1995

Maple-opt: a simultaneous technology mapping, placement, and global routing algorithm for FPGAs with performance optimization

Togawa, N., Sato, M. & Ohtsuki, T., 1995, Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC. IEEE, p. 319-327 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)
1994

Maple: a simultaneous technology mapping, placement, and global routing algorithm for FPGAs

Togawa, N., Sato, M. & Ohtsuki, T., 1994, IEEE Asia-Pacific Conference on Circuits and Systems - Proceedings. Piscataway, NJ, United States: IEEE, p. 554-559 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Simultaneous placement and global routing algorithm for FPGAs

Togawa, N., Sato, M. & Ohtsuki, T., 1994, Proceedings - IEEE International Symposium on Circuits and Systems. IEEE, Vol. 1. p. 483-486 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)