Keyword : cognitive radio (CR)


The Impact of Opportunistic User Scheduling on Outage Probability of CR-MIMO Systems
Donghun LEE Byung Jang JEONG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/03/01
Vol. E97-B  No. 3 ; pp. 686-690
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
cognitive radio (CR)multiple-input multiple-output (MIMO)outage probabilityopportunistic user schedulingdiversity orderSNR gainmulti-user diversity (MUD)
 Summary | Full Text:PDF(694.9KB)

Optimal Channel-Sensing Scheme for Cognitive Radio Systems Based on Fuzzy Q-Learning
Fereidoun H. PANAHI Tomoaki OHTSUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/02/01
Vol. E97-B  No. 2 ; pp. 283-294
Type of Manuscript:  Special Section PAPER (Special Section on Technologies for Effective Utilization of Spectrum White Space)
Category: 
Keyword: 
cognitive radio (CR)partially observable Markov decision process (POMDP)Fuzzy Q-Learning (FQL)Baum-Welch Algorithm (BWA)
 Summary | Full Text:PDF(2.2MB)

Performance of an OFDMA Based Multichannel Slotted ALOHA for Cognitive Radios
Sangho CHOE Sung-Kwon PARK 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/12/01
Vol. E93-B  No. 12 ; pp. 3323-3331
Type of Manuscript:  Special Section PAPER (Special Section on Wireless Distributed Networks)
Category: 
Keyword: 
cognitive radio (CR)orthogonal frequency division multiple access (OFDMA)medium access control (MAC)channel capacitythroughputdelay
 Summary | Full Text:PDF(638.6KB)

Cognitive Implementation of Chirp Waveform in UWB System
Hanbing SHEN Weihua ZHANG Kyung Sup KWAK 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/01/01
Vol. E91-B  No. 1 ; pp. 147-150
Type of Manuscript:  Special Section LETTER (Special Section on Cognitive Radio and Spectrum Sharing Technology)
Category: Spectrum Sharing
Keyword: 
chirp spread spectrum (CSS)cognitive radio (CR)ultra-wideband (UWB)chirp waveform
 Summary | Full Text:PDF(214.3KB)