Results 91 to 100 of about 14,247 (230)
Deteksi Automatis Skema Modulasi Sinyal OFDM menggunakan Ciri Statistik dan Klasifikasi PSO
Jurnal Elkomika, 2015 ABSTRAKPengenalan format modulasi dari sinyal yang dideteksi merupakan salah satu bahasan penting pada sistem intelligent receiver yang digunakan untuk aplikasi di bidang militer maupun komersial.
AFIEF DIAS PAMBUDI +2 more
doaj +1 more source
Blind Phase Recovery For Qam Constellations
, 2004 Publication in the conference proceedings of EUSIPCO, Viena, Austria ...
CAMPISI P +3 more
openaire +4 more sources
Optimum Mode-Switching Assisted Adaptive Modulation [PDF]
, 2001 Adaptive modulation techniques combat fading by employing a suitable modulation mode depending on the instantaneous channel conditions for improving the Bit Error Rate (BER) performance or the average through-put.
Choi, B.J., Hanzo, L.
core
Reduced-complexity non-coherent soft-decision-aided DAPSK dispensing with channel estimation [PDF]
, 2013 Differential Amplitude Phase Shift Keying (DAPSK), which is also known as star-shaped QAM has implementational advantages not only due to dispensing with channel estimation, but also as a benefit of its low signal detection complexity.
Liang, Dandan +3 more
core
IEEE Access, 2019 By using a multi-color laser diode carrier with orthogonal polarization and single-carrier modulation, the long-reach single-mode fiber (SMF) passive optical network and millimeter-wave wireless access network (WAN) with carrying narrow-band and ...
Huai-Yung Wang +4 more
doaj +1 more source
Wavelength conversion of QAM signals in a low loss CMOS compatible spiral waveguide [PDF]
, 2017 We demonstrate wavelength conversion of quadrature amplitude modulation (QAM) signals, including 32-GBd quadrature phase-shift keying and 10-GBd 16-QAM, in a 50-cm long high index doped glass spiral waveguide.
Sai T. Chu +18 more
core +1 more source
Capacity of 60 GHz Wireless Communications Based on QAM
Journal of Applied Mathematics, 2014 With apparent advantages of the several GHz license-free spectrums, 10 W maximum transmit power, and so forth, 60 GHz wireless communication technology has become the first choice for Gbps level short-range wireless communications.
Jingjing Wang +5 more
doaj +1 more source
New QAM Complementary Sequences for Control of Peak Envelope Power of OFDM Signals
IEEE Access, 2019 By developing new mathematical descriptions of 4q (integer q 2) quadrature amplitude modulation (QAM) constellation, a novel construction producing 4q-QAM complementary sequences (CSs) of length 2m (integer m 2) is presented.
Yue Zeng +5 more
doaj +1 more source
IEEE Photonics Journal, 2019 Modulation format identification (MFI) is necessary for future elastic optical networks. We propose an MFI scheme based on the amplitude deviation analysis of the received optical communication signal.
Zhao Zhao +3 more
doaj +1 more source
Decoding of QAM signals over fading channels [PDF]
, 2021 The quadrature amplitude modulation (QAM) is an important modulation technique that is currently used in the communication systems due to its efficient usage of power and bandwidth.
Thet Thet Moe Zaw
core