Keyword : multi-level modulation


High-Speed Coherent Transmission Using Advanced Photonics in Terahertz Bands
Atsushi KANNO Pham TIEN DAT Norihiko SEKINE Iwao HOSAKO Tetsuya KAWANISHI Yuki YOSHIDA Ken'ichi KITAYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/12/01
Vol. E98-C  No. 12 ; pp. 1071-1080
Type of Manuscript:  INVITED PAPER (Special Section on Terahertz Waves Coming to the Real World)
Category: 
Keyword: 
terahertz waveradio over fiberwaveform transportcoherent detectionmulti-level modulationradio on radio
 Summary | Full Text:PDF(1.9MB)

Spectrally Efficient Frequency-Domain Optical CDM Employing QAM Based on Electrical Spatial Code Spreading
Shin KANEKO Sang-Yuep KIM Noriki MIKI Hideaki KIMURA Hisaya HADAMA Koichi TAKIGUCHI Hiroshi YAMAZAKI Takashi YAMADA Yoshiyuki DOI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/10/01
Vol. E94-B  No. 10 ; pp. 2877-2880
Type of Manuscript:  LETTER
Category: Fiber-Optic Transmission for Communications
Keyword: 
optical access networkoptical CDMspatial code spreadingmulti-level modulationself-homodyne detection
 Summary | Full Text:PDF(401.8KB)

Ultra-High Capacity Optical Transmission Technologies for 100 Tbit/s Optical Transport Networks
Akihide SANO Takayuki KOBAYASHI Eiji YOSHIDA Yutaka MIYAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/02/01
Vol. E94-B  No. 2 ; pp. 400-408
Type of Manuscript:  INVITED PAPER (Special Section on Extremely Advanced Optical Transmission Technologies and Transmission Optical Fiber Technologies towards Exabit Era)
Category: 
Keyword: 
coherent optical communicationmulti-level modulationQAMRaman amplification
 Summary | Full Text:PDF(1.5MB)

Proposal of Combined Multi-Level Modulation Methods on Wireless Access Networks and Its Application Effects
Hitomi TERAOKA Masahiro NISHI Teruaki YOSHIDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/02/01
Vol. E86-B  No. 2 ; pp. 777-784
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
multi-level modulationwireless access networksmicro-wave frequency bandantenna directivityidentical frequency reuse
 Summary | Full Text:PDF(1.1MB)

Performance Evaluation of Coherent High-Speed TD-OFCDM Broadband Packet Wireless Access in Forward Link Employing Multi-Level Modulation and Hybrid ARQ
Hiroyuki ATARASHI Sadayuki ABETA Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/07/01
Vol. E84-A  No. 7 ; pp. 1670-1680
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
broadband packet wireless accessforward linkTD-OFCDMmulti-level modulationhybrid ARQ
 Summary | Full Text:PDF(2.1MB)

Advanced Wireless Communication Technologies for Achieving High-Speed Mobile Radios
Norihiko MORINAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/08/25
Vol. E78-B  No. 8 ; pp. 1089-1094
Type of Manuscript:  INVITED PAPER (Special Issue on Technologies for High-Speed Mobile Communications)
Category: 
Keyword: 
mobile communicationsmulti-level modulationadvanced adaptive wireless systemsmulticarrier modulationCDMA systemsoptical-linked microcellular systems
 Summary | Full Text:PDF(570.9KB)

Performance Analysis of the Capacity Controlled System with Adaptive Equalizer
Hee-Jin LEE Takashi OMAE Shozo KOMAKI Norihiko MORINAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/02/25
Vol. E76-B  No. 2 ; pp. 148-154
Type of Manuscript:  Special Section PAPER (Special Issue on Land Mobile/Portable Propagation)
Category: 
Keyword: 
capacity controlled systemfrequency selective fadingmobile communicationssynergistic effectmulti-level modulation
 Summary | Full Text:PDF(522.1KB)

Theoretical Analysis of the Capacity Controlled Digital Mobile System in the Presence of Interference and Thermal Noise
Hee-Jin LEE Shozo KOMAKI Norihiko MORINAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1992/06/25
Vol. E75-B  No. 6 ; pp. 487-493
Type of Manuscript:  Special Section PAPER (Special Issue on Communication Theory)
Category: 
Keyword: 
capacity controlled transmissionthermal noiseco-channel interferencemulti-level modulationmobile communicationreuse distancefading channel
 Summary | Full Text:PDF(533.6KB)