Keyword : multi-level modulation

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 network,  optical CDM,  spatial code spreading,  multi-level modulation,  self-homodyne detection, 
  Summary |  Full Text:PDF (402.4KB)
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: Special Section PAPER (Special Section on Extremely Advanced Optical Transmission Technologies and Transmission Optical Fiber Technologies towards Exabit Era)
Category: INVITED
Keyword: 
coherent optical communication,  multi-level modulation,  QAM,  Raman 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 modulation,  wireless access networks,  micro-wave frequency band,  antenna directivity,  identical 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 access,  forward link,  TD-OFCDM,  multi-level modulation,  hybrid 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: 1995/08/20
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 communications,  multi-level modulation,  advanced adaptive wireless systems,  multicarrier modulation,  CDMA systems,  optical-linked microcellular systems, 
  Summary |  Full Text:PDF (571KB)
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: 1993/02/20
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 system,  frequency selective fading,  mobile communications,  synergistic effect,  multi-level modulation, 
  Summary |  Full Text:PDF (522.3KB)
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: 1992/06/20
Vol. E75-B  No. 6  pp. 487-493
Type of Manuscript: Special Section PAPER (Special Issue on Communication Theory)
Category: 
Keyword: 
capacity controlled transmission,  thermal noise,  co-channel interference,  multi-level modulation,  mobile communication,  reuse distance,  fading channel, 
  Summary |  Full Text:PDF (533.7KB)