Keyword : π/4-DQPSK


Performance Improvement by Local Frequency Offset Spatial Diversity Reception with π/4-DQPSK in Implant Body Area Networks
Daisuke ANZAI Takashi KOYA Jingjing SHI Jianqing WANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/03/01
Vol. E97-B  No. 3 ; pp. 571-578
Type of Manuscript:  Special Section PAPER (Special Section on Information and Communication Technology for Medical and Healthcare Applications in Conjunction with Main Topics of ISMICT2013)
Category: 
Keyword: 
local frequency offset diversityπ/4-DQPSKbit error ratelink budget
 Summary | Full Text:PDF(1.2MB)

A Dual-Mode Bluetooth Transceiver with a Two-Point-Modulated Polar-Loop Transmitter and a Frequency-Offset-Compensated Receiver
Takashi OSHIMA Masaru KOKUBO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/08/01
Vol. E90-A  No. 8 ; pp. 1669-1678
Type of Manuscript:  PAPER
Category: Circuit Theory
Keyword: 
dual-mode BluetoothGFSKπ/4-DQPSKpolar looptwo-point modulationDC-DC converterpower efficiencydelay detectorfrequency offset
 Summary | Full Text:PDF(1.1MB)

A Low Distortion and High Efficiency Paralleled Power Amplifier without an Isolator in Wide Range of Load Impedances
Hikaru IKEDA Hiroaki KOSUGI Tomoki UWANO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/06/25
Vol. E80-C  No. 6 ; pp. 763-767
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeterwave High-power Devices)
Category: 
Keyword: 
microwave amplifierlow distortionhigh efficiencyparalleled amplifierπ/4-DQPSK
 Summary | Full Text:PDF(363.3KB)