### Publication List

##### May 2016

#### Journals

- Y. Watanabe and H. Ochiai,
"A novel design and modeling of UEP-based compressed video broadcasting with multilevel coded modulation,"
**IEEE Transactions on Broadcasting,**accepted for publication. - R. Yoshizawa and H. Ochiai,
"Trellis-assisted constellation subset selection for PAPR reduction of OFDM signals,"
**IEEE Transactions on Vehicular Technology,**accepted for publication. -
J. Song and H. Ochiai,
"Performance analysis for OFDM signals with peak cancellation,"
**IEEE Transactions on Communications,**vol. 64, no. 1, pp. 261-270, January 2016. -
Y. Hori and H. Ochiai,
"Performance analysis and interleaver structure optimization for short-frame BICM-OFDM systems,"
**IEEE Transactions on Wireless Communications,**vol. 15, no. 1, pp. 651-662, January 2016. -
H. Ochiai,
"High-order moments and Gaussianity of single-carrier and OFDM signals,"
**IEEE Transactions on Communications,**vol. 63, no. 12, pp. 4964-4976, December 2015. -
D. Yoda and H. Ochiai,
"Multilevel coded modulation with reduced latency decoding based on novel set partitioning for APSK,"
**IEEE Transactions on Broadcasting,**vol. 61, no. 4, pp. 674-684, December 2015. -
R. Yoshizawa and H. Ochiai,
"Energy efficiency improvement of coded OFDM systems based on PAPR reduction,"
**IEEE Systems Journal,**September 2015 (published online). -
P. Mitran and H. Ochiai,
"Parallel concatenated convolutional lattice codes with constrained states,"
**IEEE Transactions on Communications,**vol. 63, no. 4, pp. 1081-1090, April 2015. - J. Song and H. Ochiai,
"A low-complexity peak cancellation scheme and its FPGA implementation for peak-to-average power ratio reduction,"
**EURASIP Journal on Wireless Communications and Networking,**vol. 2015, March 2015. -
R. Yoshizawa and H. Ochiai,
"A trellis shaping for peak and average power reduction of BICM-OFDM
signals,"
**IEEE Transactions on Wireless Communications,**vol. 14, no. 2, pp. 1143-1154, February 2015. - M. Matsuoka, R. Yoshizawa, and H. Ochiai,
"Peak and average power reduction of OFDM signals based on trellis shaping with controllable region expansion,"
**Wireless Personal Communications,**December 2014 (published online). - T. Lee and H. Ochiai,
"Characterization of power spectral density for nonlinearly amplified
OFDM signals based on cross-correlation coefficient,"
**EURASIP Journal on Wireless Communications and Networking,**vol. 2014, November 2014. -
R. Yoshizawa and H. Ochiai,
"Performance comparison of uncoded OFDM systems with trellis shaping
over nonlinear channels,"
**Wireless Personal Communications,**vol. 72, no. 3, pp 1603-1617, October 2013. -
H. Ochiai,
"Statistical distributions of instantaneous power and
peak-to-average power ratio for single-carrier FDMA systems,"
(invited paper),
**Physical Communication,**vol. 8, pp. 47-55, September 2013. -
K. Ishibashi, W. Y. Shin, H. Ochiai, and V. Tarokh,
"A peak power efficient cooperative diversity using star-QAM with
coherent/noncoherent detection,"
**IEEE Transactions on Wireless Communications,**vol. 12, no. 5, pp. 2137-2147, May 2013. -
H. Ochiai,
"An analysis of band-limited communication systems from amplifier
efficiency and distortion perspective,"
**IEEE Transactions on Communications,**vol. 61, no. 4, pp. 1460-1472, April 2013. -
M. Tanahashi and H. Ochiai,
"Power-reductive precoding for the transmission of correlated information sequences,"
**IEEE Transactions on Communications,**vol. 61, no. 4, pp. 1393-1403, April 2013. -
H. Ochiai,
"On instantaneous power distributions of single-carrier FDMA signals,"
**IEEE Wireless Communications Letters,**vol. 1, no. 2, pp. 73-76, April 2012. -
K. Ishibashi and H. Ochiai,
"Analysis of instantaneous power distributions for non-regenerative and
regenerative relaying signals,"
**IEEE Transactions on Wireless Communications,**vol. 11, no. 1, pp. 258-265, January 2012. -
K. Ishii, K. Ishibashi, and H. Ochiai,
"Multilevel coded cooperation for multiple sources,"
**IEEE Transactions on Wireless Communications,**vol. 10, no. 12, pp. 4258-4269, December 2011. -
M. Tanahashi and H. Ochiai,
"A new reduced-complexity conditional-mean based MIMO signal detection
using symbol distribution approximation technique,"
**IEEE Transactions on Signal Processing,**vol. 59, no. 11, pp. 5644-5651, November 2011. -
H. Ochiai,
"Exact and approximate distributions of instantaneous
power for pulse-shaped single-carrier signals,"
**IEEE Transactions on Wireless Communications,**vol. 10, no. 2, pp. 682-692, February 2011. - K. Ishibashi, K. Ishii, and H. Ochiai,
"Dynamic coded cooperation using multiple turbo codes in wireless relay
networks,"
**IEEE Journal of Selected Topics in Signal Processing,**vol. 5, no. 1, pp.197-207, February 2011. - T. Aoki, H. Ochiai, and R. Kohno,
"Combined trellis precoding and error correcting codes in multi-user
MIMO-OFDM systems,"
**IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences,**vol.E93-A, no. 12, pp. 2663-2671, December 2010. - M. Tanahashi and H. Ochiai,
"Symbol insertion: A low-complexity joint peak power reduction and forward error correction for single-carrier systems,"
**IEEE Transactions on Communications,**vol. 58, no. 11, pp. 3244-3253, November 2010. - Y. Nishino, M. Tanahashi, and H. Ochiai,
"A bit-labeling design for trellis-shaped single-carrier PSK with PAPR
reduction,"
**EURASIP Journal on Advances in Signal Processing,**vol. 2011, September 2010. - M. Tanahashi and H. Ochiai,
"On the distribution of instantaneous power in single-carrier signals,"
**IEEE Transactions on Wireless Communications,**vol. 9, no. 2, pp. 1207-1215, March 2010. - M. Tanahashi and H. Ochiai,
"Turbo decoding of concatenated channel coding and trellis shaping for
peak power controlled single-carrier systems,"
**IEEE Transactions on Communications,**vol. 58, no. 1, pp. 9-15, January 2010. - M. Tanahashi and H. Ochiai,
"A multilevel coded modulation approach for hexagonal signal
constellation,"
**IEEE Transactions on Wireless Communications,**vol. 8, no. 10, pp. 4993-4997, October 2009. - K. Ishibashi, K. Ishii, and H. Ochiai,
"Bit-interleaved coded DPSK with cyclic delay diversity: Design and
analysis,"
**IEEE Transactions on Wireless Communications,**vol. 8, no. 9, pp. 4762-4772, September 2009. - M. Tanahashi and H. Ochiai,
"Trellis shaping for controlling envelope of single-carrier high-order QAM signals,"
**IEEE Journal of Selected Topics in Signal Processing,**vol. 3, no. 3, pp. 430-437, June 2009. - M. Tanahashi and H. Ochiai,
"Near constant envelope trellis shaping for PSK signaling,"
**IEEE Transactions on Communications,**vol. 57, no. 2, pp. 450-458, February 2009. - K. Ishibashi, H. Ochiai, and R. Kohno,
"Embedded forward error control technique (EFECT)
for low-rate but low latency communications,"
**IEEE Transactions on Wireless Communications,**vol. 7, pp. 1456-1460, May 2008. - H. Ochiai, P. Mitran, and V. Tarokh,
"Variable-rate two-phase collaborative communication
protocols for wireless networks,"
**IEEE Transactions on Information Theory,**vol. 52, no. 9, pp. 4299-4313, September 2006. - H. Ochiai, P. Mitran, H. V. Poor, and V. Tarokh,
"Collaborative beamforming for distributed wireless ad hoc
sensor networks,"
**IEEE Transactions on Signal Processing,**vol. 53, no. 11, pp. 4110-4124, November 2005. - K. Ishibashi, H. Ochiai, and R. Kohno,
"Low-complexity bit-interleaved coded DAPSK for Rayleigh fading
channels,"
**IEEE Journal on Selected Areas in Communications,**Special Issue on Differential and Noncoherent Wireless Communications, vol. 23, no. 9, pp. 1728-1738, September 2005. - P. Mitran, H. Ochiai, and V. Tarokh,
"Space-time diversity enhancements using collaborative communications,"
**IEEE Transactions on Information Theory,**vol. 51, no. 6, pp. 2041-2057, June 2005. - H. Ochiai,
"A novel trellis shaping design with
both peak and average power reduction for
OFDM systems,"
**IEEE Transactions on Communications,**vol. 52, no. 11, pp. 1916-1926, November 2004. - G. de Abreu, H. Ochiai, and R. Kohno,
"Linear maximum likelihood decoding of space-time block coded
OFDM systems for mobile communications,"
**IEE Proceedings - Communications,**Special Section on WLAN Systems and Interworking, vol. 151, no. 5, pp. 447-459, October 2004. - T. Minowa, H. Ochiai, and H. Imai,
"Phase noise effects on turbo trellis-coded modulation
over M-ary coherent channels,"
**IEEE Transactions on Communications,**vol. 52, no. 8, pp. 1333-1343, August 2004. - A. Ishii, H. Ochiai, and T. Fujino,
"Multiple-symbol differential detection
for OFDM over both time- and frequency-selective
Rayleigh fading channels,"
**EURASIP Journal on Applied Signal Processing,**Special Issue on Multicarrier Communications and Signal Processing, vol. 2004, no. 10, pp. 1536-1545, August 2004. - H. Ochiai,
"Performance analysis of peak power and band-limited
OFDM system with linear scaling,"
**IEEE Transactions on Wireless Communications,**vol. 2, no. 5, pp. 1055-1065, September 2003. - H. Ochiai and H. Imai,
"Performance analysis of deliberately clipped OFDM signals,"
**IEEE Transactions on Communications,**vol. 50, no. 1, pp. 89-101, January 2002. - H. Ochiai and H. Imai,
"On the distribution of the peak-to-average power ratio
in OFDM signals,"
**IEEE Transactions on Communications,**vol. 49, no. 2, pp. 282-289, February 2001. - H. Ochiai and H. Imai,
"Performance of the deliberate clipping with
adaptive symbol selection for strictly band-limited
OFDM systems,"
**IEEE Journal on Selected Areas in Communications,**Wireless Communications Series, vol. 18, no. 11, pp. 2270-2277, November 2000. - H. Ochiai, M. Fossorier, and H. Imai,
"On decoding of block codes with peak-power reduction
in OFDM systems,"
**IEEE Communications Letters,**vol.4, no.7, pp. 226-228, July 2000. - H. Ochiai and H. Imai,
"MDPSK-OFDM with highly power-efficient
block codes for frequency-selective fading channels,"
**IEEE Transactions on Vehicular Technology,**vol. 49, no.1, pp. 74-82, January 2000. - H. Ochiai and H. Imai,
"Performance of OFDM-CDMA with simple peak power reduction,"
**European Transactions on Telecommunications,**vol. 10, no.4, pp. 391-398, July/August 1999. - H. Ochiai and H. Imai,
"Block coding scheme based on complementary
sequences for multicarrier signals,"
**IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences,**vol.E80-A, no.11, pp. 2136-2143, November 1997.

#### Selected Conference Papers

- Y. Hori and H. Ochiai,
"A design of multiuser detection and decoding for subcarrier hopping
multiple access based on coded OFDM,"
in
*Proceedings of 2016 IEEE International Conference on Communications*Kuala Lumpur, Malaysia, May 2016.**(ICC 2016)**, - J. Song and H. Ochiai,
"A novel FPGA implementation of trellis shaping for PAPR reduction of
OFDM signals,"
in
*Proceedings of 2016 IEEE International Conference on Communications*Kuala Lumpur, Malaysia, May 2016.**(ICC 2016)**, - Y. Watanabe and H. Ochiai,
"Exploiting padding bits for improvement of channel decoder performance,"
in
*Proceedings of IEEE Global Communications Conference*San Diego, CA, December 2015.**(GLOBECOM 2015)**, - R. Yoshizawa and H. Ochiai,
"Mutual information and coded BER analysis of PAPR reduced OFDM system with active constellation extension,"
in
*Proceedings of IEEE Global Communications Conference*San Diego, CA, December 2015.**(GLOBECOM 2015)**, - Y. Hori and H. Ochiai,
"A low PAPR subcarrier hopping multiple access with coded OFDM for low latency wireless networks,"
in
*Proceedings of IEEE Global Communications Conference*San Diego, CA, December 2015.**(GLOBECOM 2015)**, -
H. Ochiai,
"High-order statistical analysis for linearly modulated signals,"
in
*Proceedings of 2015 IEEE Military Communications Conference*Tampa, FL, October 2015.**(MILCOM'15)**, -
Y. Yamashita and H. Ochiai,
"Performance comparison of coded OFDM with DFT-Precoding over nonlinear channels,"
in
*Proceedings of 2015 IEEE International Conference on Ubiquitous Wireless Broadband*Montreal, Canada, October 2015.**(ICUWB2015)**, -
R. Yoshizawa and H. Ochiai,
"Effect of clipping and filtering with distortionless
PAPR reduction for OFDM systems,"
in
*Proceedings of 2015 IEEE Vehicular Technology Conference Fall*Boston, MA, September 2015.**(VTC2015-Fall)**, - Y. Hori and H. Ochiai,
"Bit error rate analysis of convolutionally coded BICM with specific
interleaver structures,"
in
*Proceedings of 2015 IEEE International Conference on Communications*London, UK, June 2015.**(ICC 2015)**, - R. Yoshizawa and H. Ochiai,
"Theoretical error rate analysis of trellis shaped M-QAM constellations,"
in
*Proceedings of The 2015 IEEE Wireless Communications and Networking Conference*New Orleans, LA, March 2015.**(WCNC 2015)**, - Y. Watanabe and H. Ochiai,
"An optimal code rate design of multilevel coded modulation for
multimedia data transmission employing unequal error protection,"
in
*Proceedings of IEEE Global Communications Conference*pp. 1406-1411, Austin, TX, December 2014.**(GLOBECOM 2014)**, - D. Yoda and H. Ochiai,
"Distortion modeling and analysis for multilevel coded APSK with
memoryless nonlinearity,"
in
*Proceedings of IEEE Global Communications Conference*pp. 2874-2879, Austin, TX, December 2014.**(GLOBECOM 2014)**, -
J. Song and H. Ochiai,
"FPGA implementation of peak cancellation for PAPR reduction of OFDM signals,"
in
*Proceedings of 2014 IEEE International Conference on Communication Systems*Macau, November 2014.**(ICCS 2014)**, - K. Ikeda, F. Ono, H. Ochiai, and R. Miura,
"A virtual MIMO relay system with unmanned aircraft and multiple ground
stations",
in
*Proceedings of 2014 IEEE Vehicular Technology Conference Fall*Vancouver, BC, Canada, September 2014.**(VTC2014-Fall)**, - R. Yoshizawa and H. Ochiai,
"A novel trellis-based PAPR reduction technique for OFDM signals",
in
*Proceedings of The 2014 IEEE International Symposium on Information Theory*pp. 1563-1567, Honolulu, HI, June 2014.**(ISIT 2014)**, - J. Song and H. Ochiai,
"Amplifier efficiency and distortion trade-off of OFDM system with iterative clipping and filtering,"
in
*Proceedings of The 2014 IEEE Wireless Communications and Networking Conference*Istanbul, Turkey, April 2014.**(WCNC 2014)**, - Y. Hori and H. Ochiai,
"An interleaver optimization for BICM-OFDM with convolutional codes over frequency-selective block fading channels,"
in
*Proceedings of The 2014 IEEE Wireless Communications and Networking Conference*Istanbul, Turkey, April 2014.**(WCNC 2014)**, - T. Lee and H. Ochiai,
"A simple characterization of
power spectral density for nonlinearly
amplified OFDM signals,"
in
*Proceedings of Power Amplifiers for Radio and Wireless Applications (PAWR) Conference, 2014 Radio and Wireless Week*Newport Beach, CA, January 2014.**(RWW 2014)**, -
F. Ono, H. Ochiai, K. Takizawa, M. Suzuki, and R. Miura,
"Performance analysis of wireless relay network using network coding and UAS,"
in
*Proceedings of 4th International Workshop on Wireless Networking and Control for Unmanned Autonomous Vehicles, IEEE Global Communications Conference*Atlanta, GA, December 2013.**(GLOBECOM 2013)**, -
R. Miyauchi and H. Ochiai,
"Classification of M-ary QAM based on instantaneous power moment with
adjustable median,"
in
*Proceedings of 2013 IEEE Military Communications Conference*pp. 52-57, San Diego, CA, November 2013.**(MILCOM'13)**, -
R. Yoshizawa and H. Ochiai,
"Analysis and optimization of trellis shaping concatenated
with bit-interleaved coded modulation,"
in
*Proceedings of 2013 IEEE Vehicular Technology Conference Fall*Las Vegas, NV, September 2013.**(VTC2013-Fall)**, - H. Ochiai,
"On modulation selection for energy-efficient band-limited communication
systems,"
in
*Proceedings of The 10th International Symposium on Wireless Communication Systems*Ilmenau, Germany, August 2013.**(ISWCS 2013)**, - F. Ono, T. Muramatsu, H. Ochiai, and R. Miura,
"A signal constellation design for STBC with spatial and temporal
modulation,"
in
*Proceedings of The 10th International Symposium on Wireless Communication Systems*Ilmenau, Germany, August 2013.**(ISWCS 2013)**, - D. Yoda and H. Ochiai,
"A reduced-complexity multilevel coded modulation for APSK signaling,"
in
*Proceedings of The 2013 IEEE International Symposium on Information Theory*pp. 1994-1998, Istanbul, Turkey, July 2013.**(ISIT 2013)**, -
M. Matsuoka, R. Yoshizawa, and H. Ochiai,
"Improvement of peak and average power reduction of trellis shaped
OFDM signals by controllable region expansion,"
in
*Proceedings of The 16th International Symposium on Wireless Personal Multimedia Communications*Atlantic City, NJ, June 2013.**(WPMC 2013)**, - T. Tsubaki and H. Ochiai,
"A new candidate adding algorithm for coded MIMO systems with
fixed-complexity detection," in
*Proceedings of 2013 IEEE International Conference on Communications*pp. 4525-4529, Budapest, Hungary, June 2013.**(ICC 2013)**, - T. Lee and H. Ochiai,
"Peak power reduction of SC-FDMA signals based on trellis
shaping," in
*Proceedings of IEEE Global Communications Conference*Anaheim, CA, December 2012.**(GLOBECOM 2012)**, -
K. Kinoshita and H. Ochiai,
"Energy minimization of wireless sensor networks based on
modulation and coding optimization under finite frame
length constraint,"
in
*Proceedings of 2012 IEEE Military Communications Conference*Orlando, FL, October 2012.**(MILCOM'12)**, -
T. Muramatsu, F. Ono, H. Ochiai, and R. Miura,
"A space-time block code with temporal and spatial modulation,"
in
*Proceedings of The 15th International Symposium on Wireless Personal Multimedia Communications*Taipei, Taiwan, September 2012.**(WPMC 2012)**, -
S. Mukai, F. Ono, H. Ochiai, and R. Miura,
"Adaptive one-way and two-way relaying for MIMO relay networks,"
in
*Proceedings of The 15th International Symposium on Wireless Personal Multimedia Communications*Taipei, Taiwan, September 2012.**(WPMC 2012)**, -
K. Ishibashi, H. Ochiai, and V. Tarokh,
"Energy harvesting cooperative communications,"
in
*Proceedings of 2012 IEEE 23rd International Symposium on Personal Indoor and Mobile Radio Communications*Sydney, Australia, September 2012.**(PIMRC 2012)**, -
Y. Nishino and H. Ochiai,
"Comparison of coded modulations for trellis-shaped
single-carrier PSK with PAPR reduction,"
in
*Proceedings of 2012 IEEE Vehicular Technology Conference Fall*Quebec City, Canada, September 2012.**(VTC2012-Fall)**, -
R. Yoshizawa and H. Ochiai,
"A serial concatenation of coding and trellis shaping for OFDM systems
with peak power reduction,"
in
*Proceedings of The 2012 IEEE International Symposium on Information Theory*MIT, MA, July 2012.**(ISIT 2012)**, - S. Tanaka and H. Ochiai,
"Further complexity reduction of MIMO PSK signal detection
based on symbol distribution approximation,"
in
*Proceedings of 2012 IEEE International Conference on Communications*Ottawa, June 2012.**(ICC 2012)**, - T. Ferrett, H. Ochiai, and M. C. Valenti,
"Physical-layer network coding using FSK modulation under
frequency offset,"
in
*Proceedings of 2012 IEEE Vehicular Technology Conference Spring*Yokohama, May 2012.**(VTC2012-Spring)**, - H. Ochiai,
"Peak-to-average power ratio distribution analysis
of single-carrier FDMA signals,"
**invited session presentation,**in*18th Proceedings of European Wireless Conference*Poznan, Poland, April 2012.**(EW 2012)**, - K. Ishibashi, W. Shin, H. Yi, and H. Ochiai,
"A peak power efficient cooperative diversity using star-QAM,"
in
*Proceedings of 7th IEEE Broadband Wireless Access Workshop (BWA), IEEE Global Communications Conference*Houston, TX, December 2011.**(GLOBECOM 2011)**, -
H. Ochiai,
"On power amplifier efficiencies of linearly modulated signals with
nonlinear distortion,"
in
*Proceedings of The 8th International Symposium on Wireless Communication Systems*pp. 397-401, Aachen, Germany, November 2011.**(ISWCS 2011)**, - R. Yoshizawa and H. Ochiai,
"Performance comparison of trellis-shaped OFDM systems over
nonlinear channels,"
in
*Proceedings of The 14th International Symposium on Wireless Personal Multimedia Communications*Brest, France, October 2011.**(WPMC 2011)**, - F. M. Costa, B. H. C. Faria, F. A. C. M. Filho, and H. Ochiai,
"Physical layer energy optimization analysis for fixed bandwidth wireless
sensor networks,"
in
*Proceedings of The 14th International Symposium on Wireless Personal Multimedia Communications*Brest, France, October 2011.**(WPMC 2011)**, - R. Yoshizawa and H. Ochiai,
"Peak power reduction of OFDM signals using trellis shaping with
M-algorithm,"
in
*Proceedings of 1st Workshop on Flexibility in Broadband Wireless Access Network (FlexBWAN), The 20th IEEE International Conference on Computer Communications Networks*Maui, HI, August 2011.**(ICCCN 2011)**, - K. Ishibashi and H. Ochiai,
"Performance analysis of amplify and
forward cooperation over peak-power limited channel,"
in
*Proceedings of 2010 IEEE International Conference on Communications*Kyoto, Japan, June 2011.**(ICC 2011)**, - F. M. Costa and H. Ochiai,
"Energy-efficient physical layer design
for wireless sensor network links,"
in
*Proceedings of 2010 IEEE International Conference on Communications*Kyoto, Japan, June 2011.**(ICC 2011)**, - T. Lee and H. Ochiai,
"On limitation of clipping and filtering in IEEE
802.11g based wireless LAN system,"
in
*Proceedings of The 12th annual IEEE Wireless and Microwave Technology Conference*Clearwater, FL, April 2011.**(WAMICON 2011)**, -
F. M. Costa and H. Ochiai,
"A Comparison of Modulations for Energy Optimization in Wireless Sensor Network Links,"
in
*Proceedings of The 2010 IEEE Global Telecommunications Conference*Miami, FL, December 2010.**(GLOBECOM 2010)**, -
H. Ochiai,
"An Approximate Distribution of Instantaneous Power in Band-Limited PSK Signals,"
in
*Proceedings of The 2010 IEEE Global Telecommunications Conference*Miami, FL, December 2010.**(GLOBECOM 2010)**, -
H. Ochiai,
"Effectiveness of peak power reduction schemes for OFDM
and single-carrier systems (invited talk),"
Presented at the Workshop on Broadband Single Carrier and Frequency Domain Communications,
The 2010 IEEE Global Telecommunications Conference
**(GLOBECOM 2010)**, Miami, FL, December 2010. -
Y. Nishino, M. Tanahashi, and H. Ochiai,
"A New Bit-Labeling for Trellis-Shaped PSK with Improved PAPR Reduction
Capability,"
in
*Proceedings of 2010 International Symposium on Information Theory and its Applications / International Symposium on Spread Spectrum and its Applications*Taichung, Taiwan, October 2010.**(ISITA2010/ISSSTA2010)**, -
K. Enokizono and H. Ochiai,
"A Simple Interleaver Design for Variable-Length Turbo Codes,"
in
*Proceedings of The 6th International Symposium on Turbo Codes & Iterative Information Processing*, Brest, France, September 2010.**(ISTC 2010)** -
T. Lee and H. Ochiai,
"Experimental Analysis of Clipping and Filtering Effects on OFDM Systems,"
in
*Proceedings of The 2010 IEEE International Conference on Communications*Cape Town, South Africa, May 2010.**(ICC 2010)**, -
K. Ishibashi, K. Ishii, and H. Ochiai,
"Dynamic Turbo Coded Cooperation with Simple Power Detection,"
in
*Proceedings of The 2010 IEEE International Conference on Communications*Cape Town, South Africa, May 2010.**(ICC 2010)**, -
F. M. Costa and H. Ochiai,
"Energy Optimization for Reliable Point-to-Point Communication in
Energy-Constrained Networks,"
in
*Proceedings of 2010 IEEE 71st Vehicular Technology Conference Spring*Taipei, Taiwan, May 2010.**(VTC2010-Spring)**, -
M. Tanahashi and H. Ochiai,
"Analysis and efficient computation of instantaneous power
distribution of single-carrier signals,"
in
*Proceedings of The 2009 IEEE Global Telecommunications Conference*Hawaii, December 2009.**(GLOBECOM 2009)**, - M. Iki, M. Tanahashi, and H. Ochiai,
"Peak power reduction of single-carrier signals using trellis
shaping with M and stack algorithms," in
*Proceedings of 2009 IEEE 70th Vehicular Technology Conference Fall*Anchorage, Alaska, September 2009.**(VTC2009-Fall)**, - M. Tanahashi and H. Ochiai,
"Improving error rate performance of correlated sources by
non-root-Nyquist pulse shaping," in
*Proceedings of 2009 IEEE 70th Vehicular Technology Conference Fall*Anchorage, Alaska, September 2009.**(VTC2009-Fall)**, - K. Ishibashi, K. Ishii, and H. Ochiai,
"Design of adaptive coded cooperation using rate compatible
turbo codes," in
*Proceedings of 2009 IEEE 70th Vehicular Technology Conference Fall*Anchorage, Alaska, September 2009.**(VTC2009-Fall)**, - S. Nakata, M. Tanahashi, and H. Ochiai,
"On the performance of cooperative communications with
constellation rearrangement," in
*Proceedings of The 12th International Symposium on Wireless Personal Multimedia Communications*Sendai, Japan, September 2009.**(WPMC 2009)**, - H. Ochiai,
"Some practical considerations for peak power reduction
of OFDM systems (invited paper)," in
*Proceedings of The 12th International Symposium on Wireless Personal Multimedia Communications*Sendai, Japan, September 2009.**(WPMC 2009)**, - M. Tanahashi and H. Ochiai,
"On destructive superposition of shaping pulses in band-limited
linear modulation systems," in
*Proceedings of The 2009 IEEE International Symposium on Information Theory*Seoul, Korea, June 2009.**(ISIT 2009)**, - H. Kitagawa, M. Tanahashi, and H. Ochiai,
"FPGA implementation of trellis shaping to control peak power
for PSK signals," in
*Proceedings of The 2009 IEEE International Conference on Communications*Dresden, Germany, June 2009.**(ICC 2009)**, - K. Ishii, K. Ishibashi, and H. Ochiai,
"A novel cooperative diversity based on multilevel coded modulation,"
in
*Proceedings of The 2009 IEEE International Conference on Communications*Dresden, Germany, June 2009.**(ICC 2009)**, - H. Ochiai and Y. Takayama,
"A simple OFDM-based multiple access system with super-orthogonal
convolutional codes and Golay sequence," in
*Proceedings of The 2009 IEEE Wireless Communications and Networking Conference*Budapest, Hungary, April 2009.**(WCNC 2009)**, - T. Uchino and H. Ochiai,
"On the performance of clipping noise cancellation for OFDM
systems with high-order coded modulation," in
*Proceedings of The 2008 International Symposium on Information Theory and its Applications*Auckland, New Zealand, December 2008.**(ISITA 2008)**, - M. Tanahashi and H. Ochiai,
"Noncoherent iterative decoding of symbol insertion systems," in
*Proceedings of The 2008 International Symposium on Information Theory and its Applications*Auckland, New Zealand, December 2008.**(ISITA 2008)**, - K. Ishibashi, K. Ishii, and H. Ochiai,
"Collaborative diversity enhancements using rate-compatible
turbo codes," in
*Proceedings of The 2008 International Symposium on Information Theory and its Applications*Auckland, New Zealand, December 2008.**(ISITA 2008)**, - K. Ishii, K. Ishibashi, and H. Ochiai,
"Multilevel coded cooperation: Concepts and design criteria,"
in
**(ISITA 2008)**, - K. Ishibashi, K. Ishii, and H. Ochiai,
"Diversity order analysis of bit-interleaved coded DPSK
with cyclic delay diversity," in
*Proceedings of The 2008 IEEE Global Telecommunications Conference*New Orleans, December 2008.**(GLOBECOM 2008)**, - M. Tanahashi and H. Ochiai,
"Trellis shaping with flexible control of peak and average power
for single-carrier high-order QAM," in
*Proceedings of The 2008 IEEE Global Telecommunications Conference*New Orleans, December 2008.**(GLOBECOM 2008)**, - T. Tamagawa and H. Ochiai,
"An efficient hybrid ARQ system using multilevel coded modulation
with reduced constellation size," in
*Proceedings of The 2008 IEEE Global Telecommunications Conference*New Orleans, December 2008.**(GLOBECOM 2008)**, - M. Tanahashi and H. Ochiai,
"A simple modulation code with peak power reduction and coding gain,"
in
*Proceedings of The 2008 IEEE International Conference on Communications*Beijing, China, May 2008.**(ICC 2008)**, - M. Tanahashi and H. Ochiai,
"Iterative decoding of concatenated channel coding and trellis shaping
based on Markov model," in
*Proceedings of The 2007 IEEE Global Telecommunications Conference*pp. 3905-3909, Washington D.C., November 2007.**(GLOBECOM 2007)**, - K. Ishibashi, H. Ochiai, and R. Kohno,
"Embedded forward error control technique(EFECT)
for low-rate real-time communications," in
*Proceedings of The 2007 IEEE Global Telecommunications Conference*pp. 4565-4569, Washington D.C., November 2007.**(GLOBECOM 2007)**, - K. Ishibashi, H. Ochiai, and R. Kohno,
"Low complexity bit-interleaved coded DAPSK with cyclic delay diversity,"
in
*Proceedings of the IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications*pp. 1-5, Athens, Greece, September 2007.**(PIMRC 2007)**, - M. Tanahashi and H. Ochiai,
"A new trellis shaping approach for pulse-shaped PSK signals with
almost constant envelope,"
in
*Proceedings of The 2007 IEEE International Conference on Communications*pp. 5598 - 5603, Glasgow, Scotland, June 2007.**(ICC 2007)**, - T. Masakawa and H. Ochiai,
"Design of Reed-Solomon codes for OFDM
systems with clipping and filtering,"
in
*Proceedings of The 2007 IEEE Wireless Communications & Networking Conference*pp. 1361-1366, Hong Kong, March 2007.**(WCNC 2007)**, - M. Tanahashi and H. Ochiai,
"A new trellis shaping design for peak power reduction of single-carrier QAM signals,"
in
*Proceedings of The 2006 International Symposium on Information Theory and its Applications*pp. 81-86, Seoul, Korea, October 2006.**(ISITA 2006)**, - K. Hiwatashi, H. Ochiai, and J. Shikata,
"A new secret key agreement scheme based on eigenvalues of channel matrices in phase-controlled MIMO systems,"
in
*Proceedings of The 2006 International Symposium on Information Theory and its Applications*pp. 265-270, Seoul, Korea, October 2006.**(ISITA 2006)**, - H. Ochiai,
"Amplifier efficiencies of OFDM systems with peak power
and envelope variance reduction,"
in
*Proceedings of 2006 IEEE International Symposium on Signal Processing and Information Technology*pp. 828-833, Vancouver, B.C., Canada, August 2006.**(ISSPIT '06)**, - H. Tatsunami, K. Ishibashi, and H. Ochiai,
"On the performance of LDPC codes with
differential detection over Rayleigh fading channels,"
in
*Proceedings of 2006 IEEE 63rd Vehicular Technology Conference*pp. 2388-2392, Melbourne, Australia, May 2006.**(VTC '06 Spring)**, - P. Mitran, H. Ochiai, and V. Tarokh,
"Collaborative diversity enhancements for wireless communications,"
*in*pp. 2437-2441, Seoul, Korea, May 2005.*Proceedings of 2005 IEEE International Conference on Communications***(ICC 2005)**, - H. Ochiai, P. Mitran, H. V. Poor, and V. Tarokh,
"On the effects of phase estimation errors on
collaborative beamforming in wireless ad hoc networks,"
in
*Proceedings of 2005 IEEE International Conference on Acoustics, Speech, and Signal Processing*vol. 3, pp. 657-660, Philadelphia, PA, March 2005.**(ICASSP 2005)**, - H. Ochiai, P. Mitran, H. V. Poor, and V. Tarokh,
"Collaborative beamforming in ad hoc networks,"
in
*Proceedings of 2004 IEEE Information Theory Workshop*pp. 396-401, San Antonio, TX, October 2004.**(ITW 2004)**, - H. Ochiai, P. Mitran, and V. Tarokh,
"Design and analysis of collaborative diversity protocols
for wireless sensor networks,"
in
*Proceedings of 2004 IEEE Fall Vehicular Technology Conference*vol. 7, pp. 4645-4649, Los Angels, CA, Septermber 2004.**(VTC 2004 Fall)**, - K. Ishibashi, H. Ochiai, and R. Kohno,
"On the performance of bit-interleaved coded DAPSK over Rayleigh fading
channels,"
in
*Proceedings of 2004 IEEE International Conference on Communications*pp. 732-736, Paris, France, June 2004.**(ICC 2004)**, - H. Ochiai,
"Performance of optimal and suboptimal detection
for uncoded OFDM systems with deliberate clipping and filtering,"
in
*Proceedings of 2003 IEEE Global Telecommunications Conference*pp. 1618-1622, San Francisco, CA, December, 2003.**(GLOBECOM 2003)**, - A. Ishii, H. Ochiai, and T. Fujino,
"Multiple-symbol differential detection for OFDM over both time and
frequency-selective Rayleigh fading channels,"
in
*Proceedings of The Sixth International Symposium on Wireless Personal Multimedia Communications*Yokosuka, Japan, October 2003.**(WPMC '03)**, - H. Ochiai,
"Trellis shaped coded OFDM systems with high power efficiency,"
in
*Proceedings of 2003 IEEE International Symposium on Information Theory*p. 6, Yokohama, Japan, June 2003.**(ISIT '03)**, - H. Ochiai,
"A new trellis shaping design for OFDM,"
in
*Proceedings of The Fifth International Symposium on Wireless Personal Multimedia Communications*pp. 1019-1023, Honolulu, HI, October 2002.**(WPMC '02)**, - H. Ochiai,
"Power efficiency comparison of OFDM and single-carrier signals,"
in
*Proceedings of 2002 IEEE Fall Vehicular Technology Conference*pp. 899-903, Vancouver, B.C., Canada, Septermber 2002.**(VTC '02 Fall)**, - H. Ochiai and H. Imai,
"On clipping for peak-power reduction of OFDM signals,"
in
*Proceedings of 2000 IEEE Global Telecommunications Conference*pp. 731-735, San Francisco, CA, November 2000.**(GLOBECOM 2000)**, - H. Ochiai and H. Imai,
"Performance analysis of downlink multi-carrier CDMA with
maximum-likelihood detection,"
in
*Proceedings of 2000 International Symposium on Information Theory and its Application*, pp. 748-751, Honolulu, HI, November 2000.**(ISITA '00)** - H. Ochiai and H. Imai,
"Channel capacity of clipped OFDM systems,"
in
*Proceedings of 2000 IEEE International Symposium on Information Theory*p. 219, Sorrento, Italy, June 2000.**(ISIT '00)**, - T. Minowa, H. Ochiai, and H. Imai,
"Phase noise effect on turbo-coded modulation
over the coherent
*M*-ary channel," in*Proceedings of 2000 IEEE Vehicular Technology Conference*pp. 2232-2236, Tokyo, May 2000.**(VTC '00 Spring)**, - H. Ochiai and H. Imai,
"On the deliberately clipped and strictly bandlimited
OFDM systems,"
in
*Proceedings of The Second International Symposium on Wireless Personal Multimedia Communications*pp.251-256, Amsterdam, The Netherlands, September 1999.**(WPMC '99)**, - H. Ochiai and H. Imai,
"Performance of downlink MC-CDMA with simple interference
cancellation,"
presented at
*1999 Second International Workshop on Multi-Carrier Spread Spectrum & Related Topics*DLR, Oberpfaffenhofen, Germany, September 1999; published in**(MC-SS'99)**,*Multi-Carrier Spread-Spectrum & Related Topics*, K.Fazel and S. Kaiser (Editors), Kluwer Academic Publishers, pp. 211-218, 1999. - H. Ochiai and H. Imai,
"Peak-power reduction schemes in OFDM systems: A review,"
in
*Proceedings of The First International Symposium on Wireless Personal Multimedia Communications*pp.247-252, Yokosuka Research Park (YRP), November 1998.**(WPMC '98)**, - H. Ochiai and H. Imai,
"Block codes for frequency diversity and peak power reduction in multicarrier
systems,"
in
*Proceedings of 1998 IEEE International Symposium on Information Theory*p.192, Cambridge, MA, August 1998.**(ISIT '98)**, - H. Ochiai and H. Imai,
"OFDM-CDMA with peak power reduction
based on the spreading sequences,"
in
*Proceedings of 1998 IEEE International Conference on Communications*pp.1299-1303, Atlanta, GA, June 1998.**(ICC '98)**, - H. Ochiai and H. Imai,
"Performance of block codes with peak power
reduction for indoor multicarrier systems,"
in
*Proceedings of 1998 IEEE 48th Vehicular Technology Conference*pp. 338-342, Ottawa, Canada, May 1998.**(VTC '98)**, - H. Ochiai and H. Imai,
"Forward error correction with reduction of
peak to average power ratio of QPSK multicarrier signals,"
in
*Proceedings of 1997 IEEE International Symposium on Information Theory*p. 120, Ulm, Germany, June 1997.**(ISIT '97)**, - H. Ochiai and H. Imai,
"On the performance of asynchronous multi-carrier CDMA,"
presented at
*1997 First International Workshop on Multi-Carrier Spread Spectrum*DLR, Oberpfaffenhofen, Germany, April 1997; published in**(MC-SS'97)**,*Multi-Carrier Spread-Spectrum*, K.Fazel and G.P.Fettweis (Editors), Kluwer Academic Publishers, pp.227-234, 1997.

#### Book Chapters

- H. Ochiai and H. Imai,
"Collaborative beamforming,"
in
*New Directions in Wireless Communications Research,*V. Tarokh (Editor), Springer, 2009. - H. Ochiai, P. Mitran, H. V. Poor, and V. Tarokh,
"Random array theory and collaborative beamforming,"
in
*Handbook on Advancements in Smart Antenna Technologies for Wireless Networks,*C. Sun, J. Cheng, and T. Ohira (Editors), Information Science Reference, July 2008. - O. -S. Shin, N. Devroye, P. Mitran, H. Ochiai, S. S. Ghassemzadeh,
H. T. Kung and V. Tarokh,
"Cooperation, competition and cognition in wireless networks,"
in
*Cooperation in Wireless Networks: Principles and Applications,*F. H. P. Fitzek and M. D. Katz (Editors), Springer, 2006.

#### Disseration

- H. Ochiai,
"Analysis and Reduction of Peak-to-Average Power Ratio in OFDM Systems,"
The University of Tokyo, March 2001.