Keyword : QPSK


Performance Analysis of All-Optical Wavelength-Shift-Free Format Conversion from QPSK to Two BPSK Tributaries Using FWM and Interference
Rina ANDO Hiroki KISHIKAWA Nobuo GOTO Shin-ichiro YANAGIYA Lawrence R. CHEN 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/02/01
Vol. E99-C  No. 2 ; pp. 219-226
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Photonics Technologies and Their Applications)
Category: 
Keyword: 
optical processingmodulation formatfour-wave mixingQPSKBPSK
 Summary | Full Text:PDF(3MB)

Double Window Cancellation and Combining for OFDM in Time-Invariant Large Delay Spread Channel
JunHwan LEE Yoshihisa KISHIYAMA Tomoaki OHTSUKI Masao NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/10/01
Vol. E90-A  No. 10 ; pp. 2066-2078
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications)
Category: Communications and Sequences
Keyword: 
CP-OFDMDWCCISIICIQPSK16QAM64QAM
 Summary | Full Text:PDF(2.2MB)

QPSK Differential Space Time Coding on Different Unitary Matrices Sets and Initializations
Jia HOU Moon Ho LEE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/01/01
Vol. E89-A  No. 1 ; pp. 348-353
Type of Manuscript:  LETTER
Category: Coding Theory
Keyword: 
space time codingunitary matricesQPSKRayleigh fading
 Summary | Full Text:PDF(572.1KB)

Steady-State Analysis of Complex Adaptive IIR Notch Filter and Its Application to QPSK Communication Systems
Haiyun JIANG Shotaro NISHIMURA Takao HINAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/05/01
Vol. E85-A  No. 5 ; pp. 1088-1095
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive notch filterinterference rejectionQPSKgradient algorithmsteady-state characteristics
 Summary | Full Text:PDF(657.4KB)

Experiments on Decision Feedback Carrier Recovery Loop for QPSK
Mikio IWAMURA Seizo SEKI Kazuhiro MIYAUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/06/25
Vol. E82-B  No. 6 ; pp. 974-977
Type of Manuscript:  LETTER
Category: Radio Communication
Keyword: 
QPSKdecision feedback carrier recovery loopexperimentbit error rate
 Summary | Full Text:PDF(269KB)

Implementation of and Field Experiment on High-Speed Multimedia Multimode TDMA Radio Transmission Systems
Eimatsu MORIYAMA Yukiyoshi KAMIO Kiyoshi HAMAGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/07/25
Vol. E81-B  No. 7 ; pp. 1433-1443
Type of Manuscript:  Special Section PAPER (Special Issue on Third Generation Land Mobile Communication Systems)
Category: 
Keyword: 
QPSKQAMland mobile radioTDMAfield experimentDFE
 Summary | Full Text:PDF(1.2MB)

Performance Evaluation for Vehicular Speed Response Phase Locked Loop in Ricean Fading Environment
Masanori HAMAMURA Shin'ichi TACHIKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/03/25
Vol. E81-B  No. 3 ; pp. 609-615
Type of Manuscript:  PAPER
Category: Radio Communication
Keyword: 
mobile communicationRicean fadingmillimeter wavePLLQPSKfrequency offsetirreducible bit error rate
 Summary | Full Text:PDF(429.3KB)

Phase Jitter of Carrier Recovery Using Fourth-Power Multiplier for QPSK and QAM Transmission
Kazuhiro MIYAUCHI Takahiro NAGAI Masataka KATO Shigeo OHUE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/05/25
Vol. E80-B  No. 5 ; pp. 755-762
Type of Manuscript:  PAPER
Category: Radio Communication
Keyword: 
carrier recovery circuitrms phase jitterfourth-power miltiplierQPSKQAM
 Summary | Full Text:PDF(540.8KB)

1.9 GHz Si Direct Conversion Receiver IC for QPSK Modulation Systems
Chikau TAKAHASHI Ryuichi FUJIMOTO Satoshi ARAI Tetsuro ITAKURA Takashi UENO Hiroshi TSURUMI Hiroshi TANIMOTO Shuji WATANABE Kenji HIRAKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/05/25
Vol. E79-C  No. 5 ; pp. 644-649
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave Devices for Mobile Communications)
Category: Active Devices
Keyword: 
direct conversion receiver2nd-order distortionQPSK
 Summary | Full Text:PDF(640.6KB)