Keyword : radio propagation


Wideband and Ultra Wideband Radio Propagation in Heavy Multipath Environments
Takehiko KOBAYASHI Miyuki HIROSE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/02/01
Vol. E98-A  No. 2 ; pp. 511-519
Type of Manuscript:  INVITED PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
Ultra-widebandwidebandradio propagationcommunication
 Summary | Full Text:PDF(2.4MB)

Group Secret Key Agreement Based on Radio Propagation Characteristics in Wireless Relaying Systems
Takayuki SHIMIZU Hisato IWAI Hideichi SASAOKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/07/01
Vol. E95-B  No. 7 ; pp. 2266-2277
Type of Manuscript:  PAPER
Category: Fundamental Theories for Communications
Keyword: 
wireless securitysecret key agreementradio propagationmultiple terminalswireless relaying system
 Summary | Full Text:PDF(1.1MB)

Measurements and Modeling of Ultra-Wideband Propagation Losses around the Human Body Dependent on Room Volume
Hironobu YAMAMOTO Masato KOIWAI Takehiko KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/12/01
Vol. E93-A  No. 12 ; pp. 2624-2633
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
ultra widebandwireless body area networksradio propagationpropagation losschannel model
 Summary | Full Text:PDF(2.2MB)

Effect of Delay Spread Enhancement in MIMO Eigenbeam Space Division Multiplexing Transmission
Satoshi TAKAHASHI Chang-Jun AHN Hiroshi HARADA Yukiyoshi KAMIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/07/01
Vol. E88-A  No. 7 ; pp. 1931-1935
Type of Manuscript:  Special Section LETTER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
radio propagationdelay spreadMIMOE-SDM
 Summary | Full Text:PDF(392.6KB)

Novel Parallel Acceleration Technique for Shooting-and-Bouncing Ray Launching Algorithm
Haitao LIU Binhong LI Dongsheng QI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/09/01
Vol. E87-C  No. 9 ; pp. 1463-1466
Type of Manuscript:  Special Section LETTER (Special Section on Wave Technologies for Wireless and Optical Communications)
Category: 
Keyword: 
parallel accelerationradio propagationray tracingMPI
 Summary | Full Text:PDF(217.2KB)

Quantitative Evaluation of Time Diversity as a Novel Attenuation Mitigation Technology for Future High Speed Satellite Communication
Hajime FUKUCHI Tetsuya NAKAYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/08/01
Vol. E87-B  No. 8 ; pp. 2119-2123
Type of Manuscript:  Special Section PAPER (Special Section on Recent Fundamental Technologies for Broadband Satellite Communications)
Category: 
Keyword: 
time diversityrain attenuationmillimeter satellite broadcastingradio propagation
 Summary | Full Text:PDF(1.2MB)

Microwave Propagation Characteristics in an Urban Quasi Line-of-Sight Environment under Different Traffic Conditions
Hironari MASUI Masanori ISHII Satoshi TAKAHASHI Hiroyuki SHIMIZU Takehiko KOBAYASHI Masami AKAIKE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/05/01
Vol. E84-B  No. 5 ; pp. 1431-1439
Type of Manuscript:  PAPER
Category: Antenna and Propagation
Keyword: 
mobile communicationradio propagationbreak pointdelay spreadmicrowave
 Summary | Full Text:PDF(644.2KB)

Distance Dependence of Microwave Delay Spreads Measured in Urban Quasi Line-of-Sight Environments
Hironari MASUI Koichi TAKAHASHI Satoshi TAKAHASHI Kouzou KAGE Takehiko KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/12/25
Vol. E82-B  No. 12 ; pp. 1997-2003
Type of Manuscript:  Special Section PAPER (Special Issue on Multimedia Mobile Communication Systems)
Category: 
Keyword: 
mobile communicationradio propagationdelay spreadbreak pointmicrowave
 Summary | Full Text:PDF(1.1MB)

Path Loss Modeling of Line-of-Sight Microwave Urban Propagation with Low-Height Antenna Mobile Stations
Koichi TAKAHASHI Hironari MASUI Satoshi TAKAHASHI Kouzou KAGE Takehiko KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/07/25
Vol. E82-C  No. 7 ; pp. 1330-1333
Type of Manuscript:  Special Section LETTER (Special Issue on Microwave and Millimeter Wave Technology)
Category: 
Keyword: 
mobile communicationradio propagationpath lossexcess losslow antenna height
 Summary | Full Text:PDF(428.4KB)

Propagation-Loss Prediction Using Ray Tracing with a Random-Phase Technique
Satoshi TAKAHASHI Yoshihide YAMADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/07/25
Vol. E81-A  No. 7 ; pp. 1445-1451
Type of Manuscript:  Special Section PAPER (Special Section on Fundamentals of Multi-dimensional Mobile Information Network)
Category: 
Keyword: 
radio propagationpropagation-loss predictionray tracingrandom-phase techniqueprobability-based cell design
 Summary | Full Text:PDF(652.5KB)

SBR/Image Approach for Indoor Radio Propagation in Large Empty Buildings
Shin-Hon CHEN Shyh-Kang JENG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/09/25
Vol. E79-B  No. 9 ; pp. 1184-1191
Type of Manuscript:  Special Section PAPER (Special Issue on Personal Communications)
Category: Radio propagation and channel modeling
Keyword: 
propagationradio propagationindoor radio propagationwireless communicationray tracing
 Summary | Full Text:PDF(668.8KB)

An SBR/Image Approach for Indoor Radio Propagation in a Corridor
Shin-Hon CHEN Shyh-Kang JENG 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/08/25
Vol. E78-C  No. 8 ; pp. 1058-1062
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
propagationradio propagationindoor radio propagationwireless communicationray tracing
 Summary | Full Text:PDF(424.4KB)

Signal Strength Prediction and Distribution Characteristics in Indoor Radio Propagation at 2.5GHz Band
Hiroshi FURUKAWA Kuninori OOSAKI Yoshihiko AKAIWA Hiroyuki SHIMIZU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/07/25
Vol. E77-B  No. 7 ; pp. 962-970
Type of Manuscript:  Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications)
Category: 
Keyword: 
microcellindoorradio propagationpredictiondistributionmicrowave
 Summary | Full Text:PDF(706.5KB)

An Overview of Recent Propagation Studies for Land Mobile Communications
Mitsuhiko MIZUNO Eimatsu MORIYAMA Takeshi MANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/02/25
Vol. E76-B  No. 2 ; pp. 58-64
Type of Manuscript:  INVITED PAPER (Special Issue on Land Mobile/Portable Propagation)
Category: 
Keyword: 
radio propagationmobile communicationmicrocellUHFmillimeter wave
 Summary | Full Text:PDF(667.6KB)

Technical Issues of Mobile Communication Systems for Personal Communications Services
Takuro SATO Takao SUZUKI Kenji HORIGUCHI Atsushi FUKASAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1992/12/25
Vol. E75-A  No. 12 ; pp. 1625-1633
Type of Manuscript:  INVITED PAPER (Special Section on Networks and Mobile Communications)
Category: 
Keyword: 
PCSmicrocellTDMACDMAnetwork architectureradio propagationradio accesscahannel assignment
 Summary | Full Text:PDF(807.4KB)