Jun-ichi ABE

Novel Channel Allocation Algorithm Using Spectrum Control Technique for Effective Usage of both Satellite Transponder Bandwidth and Satellite Transmission Power
Katsuya NAKAHIRA  Jun-ichi ABE  Jun MASHINO  Takatoshi SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/11/01
Vol. E95-B  No. 11  pp. 3393-3403
Type of Manuscript: Special Section PAPER (Special Section on Satellite Communication Technologies in Conjunction with Main Topics of JC-SAT2011)
Category: 
Keyword: 
satellite communication,  channel allocation,  adaptive coding and modulation,  multi-carrier transmission,  single-carrier transmission,  spectrum compression,  spectrum division,  DAMA, 
  Summary |  Full Text:PDF
Direct Spectrum Division Transmission for Highly Efficient Frequency Utilization in Satellite Communications
Jun-ichi ABE  Fumihiro YAMASHITA  Katsuya NAKAHIRA  Kiyoshi KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/02/01
Vol. E95-B  No. 2  pp. 563-571
Type of Manuscript: PAPER
Category: Satellite Communications
Keyword: 
satellite communications,  filter bank,  direct spectrum division transmission,  spectrum editing technique, 
  Summary |  Full Text:PDF
A Prototype Modem for Hyper-Multipoint Data Gathering SATCOM Systems --- A Group Modem Applicable to Arbitrarily and Dynamically Assigned FDMA Signals ---
Kiyoshi KOBAYASHI  Fumihiro YAMASHITA  Jun-ichi ABE  Masazumi UEBA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/11/01
Vol. E92-B  No. 11  pp. 3318-3325
Type of Manuscript: Special Section PAPER (Special Section on Satellite Communication Technologies in Conjunction with Main Topics of JC-SAT2008)
Category: 
Keyword: 
FFT filter bank,  group modem,  hyper-multipoint data gathering,  arbitrary and dynamic frequency assignment,  satellite communication, 
  Summary |  Full Text:PDF