Results 31 to 40 of about 5,536 (185)
Nondata-aided error vector magnitude performance analysis over κ−μ shadowed fading channel
Tongxin xuebao, 2018 The performance prediction of wireless system over κ−μ shadowed fading channels was a challenging problem of wireless communications,which affects transmission scheme design seriously.To solve this problem,a novel method of quantifying the κ−μ shadowed ...
Fan YANG +6 more
doaj +2 more sources
Sensors, 2018 The high demand for multimedia applications in environmental monitoring, invasion detection, and disaster aid has led to the rise of wireless sensor network (WSN).
Fan Yang +5 more
doaj +1 more source
Integrating Radio-Over-Fiber Communication System and BOTDR Sensor System
Sensors, 2020 In this paper, we propose and experimentally demonstrate for the first time, the integration of a radio-over-fiber (RoF) communication system and a Brillouin optical time-domain reflectometry (BOTDR) distributed sensor system using a single optical fiber
Wai Pang Ng +7 more
doaj +1 more source
Coherent modulation up to 100 GBd 16QAM using silicon-organic hybrid (SOH) devices [PDF]
, 2017 We demonstrate the generation of higher-order modulation formats using silicon-based inphase/quadrature (IQ) modulators at symbol rates of up to 100 GBd.
Freude, Wolfgang +8 more
core +3 more sources
IET Communications, 2022 Direct RF sampling has been suggested as a solution for receivers that are flexible in frequency and across standards, while utilising only a single radio frequency front‐end.
Stephen Henthorn +2 more
doaj +1 more source
Bidirectional single sideband transmission of Millimeter Wavesover Fiber for 5G Mobile Networks
TecnoLógicas, 2018 This study proposes, experimentally demonstrates, and simulates anetwork architecture for the transport of millimeter waves (MMW) based on Radio over Fiber (RoF) techniques for the transport of signals in the fronthaul segment of
Alejandro Patiño-Carrillo +2 more
doaj +1 more source
Efficient Fast-Convolution-Based Waveform Processing for 5G Physical Layer [PDF]
, 2017 This paper investigates the application of fast-convolution (FC) filtering schemes for flexible and effective waveform generation and processing in the fifth generation (5G) systems.
Levanen, Toni +6 more
core +2 more sources
International Journal of Satellite Communications and Networking, Volume 44, Issue 1, Page 73-88, January/February 2026.The potential gains of NOMA were evaluated in a satellite system with heterogeneous receivers, after considering the use of specific DVB‐S2X MODCODs, along with the impact of non‐linearities. It was concluded that a judicious power allocation in NOMA, jointly optimized with the IBO of the PAs, can yield significant sum‐rate gains.
Tomás Ramírez, Carlos Mosquera
wiley +1 more source
Study on adaptive modulation in D2D communications over Nakagami-m fading channel
Tongxin xuebao, 2018 A novel adaptive modulation based on nondata-aided error vector magnitude (NDA-EVM) was proposed to solve the problem of lower spectral efficiency in device to device (D2D) communication over Nakagami-m fading channel.The NDA-EVM was used to evaluate the
Xiaoping ZENG +6 more
doaj +2 more sources
Revista Facultad de Ingeniería, 2023 This paper presents the design of an optical transport architecture for the fronthaul segment in a 5G New Radio (NR) network based on both polarization and wavelength multiplexing using Polarization Splitters (PS) and an Arrayed Waveguide Grating (AWG),
Ingrid-Katherine Balero-Lozada +2 more
doaj +1 more source