Results 11 to 20 of about 4,998,210 (282)
Blind Joint Soft-Detection Assisted Slow Frequency-Hopping Multicarrier DS-CDMA [PDF]
, 2000 A novel multiple-access scheme based on slow frequency-hopping multicarrier direct-sequence, code-division multiple access (SFH/MC DS-CDMA) is proposed and investigated, which can be rendered compatible with the existing second-generation narrow-band ...
Yang, L-L., Hanzo, L.
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Opto-Electronic Advances, 2020 The rotation control of particles in optical tweezers is often subject to the spin or orbit angular momentum induced optical torque, which is susceptible to the mechanical and morphological properties of individual particle.
Liu Wei +4 more
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Multi-group frequency hopping OFDMA based on statistical multiplexing [PDF]
, 2008 In this paper, the multi-group frequency hopping OFDMA (MG-FH OFDMA) based on the statistical multiplexing is proposed for the downlink cellular system. Compared with the existed random frequency hopping OFDMA (RFH-OFDMA) system utilizing the statistical
Su, Xinghui +9 more
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Photonic-Assisted Microwave Frequency Measurement Using High Q-Factor Microdisk with High Accuracy
Photonics, 2023 Frequency measurement plays a crucial role in radar, communication, and various applications. The photonic-assisted frequency measurement method offers several advantages, including resistance to electromagnetic interference, broad bandwidth, and low ...
Mengyao Zhao +4 more
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Bit error simulation of DQPSK for a slow frequency hopping CDMA system in mobile radio communications [PDF]
, 1995 Spread spectrum (SS) techniques seem to be an attractive alternative to conventional narrow-band modulation. In this paper a frequency hopping (FH) system model based on slow FH (SFH) is proposed.
Mortazavi, SH +3 more
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IEEE Photonics Journal, 2017 We propose and demonstrate a novel method to generate multispectrum frequency and hopping from one frequency spectrum to another using a single external cavity based Fabry–Pérot laser diode (FP-LD) subjected to a single optical injection ...
Bikash Nakarmi +4 more
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Noncoherent Multi-Way Relay Based on Fast Frequency-Hopping M-ary Frequency-Shift Keying [PDF]
, 2010 Information exchange among a group of users is implemented with the aid of fast frequency-hopping $M$-ary frequency-shift keying multi-way relay (FFH/MFSK MWR). The FFH/MFSK MWR scheme uses two time-slots per symbol for achieving the information exchange,
Cao, Jianfei +2 more
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Exploring Mode Hopping Performance of a Prism Laser Gyro
Xibei Gongye Daxue Xuebao, 2019 In view of the poor mode hopping performance of prism laser gyros, the mode hopping performance of a prism laser gyro is systematically studied. A mathematical model of frequency stabilization actuating mechanism is established, and the mode hopping is ...
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Characterising the Photonic-Assisted Coherent Free-Space Link of Sub-THz Data Transmission
IEEE Access, 2023 This study demonstrates a measurement setup of an over-the-air (OTA) sub-THz link using a hybrid system of transmission comprising standard optical communications components and propagating the signal over 6 meters.
Mohanad Dawood Al-Dabbagh +4 more
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IEEE Photonics Journal, 2016 Under proper optical injection, period-one (P1) dynamics of an optically injected semiconductor laser can be excited by undamping the relaxation resonance of the semiconductor through Hopf bifurcation.
Pei Zhou +4 more
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