Results 21 to 30 of about 26,386 (211)
BER performance analysis of OFDM-MIMO system using GNU Radio
Multiple Input Multiple Output (MIMO) channels can be used to increase the data rate and the channel capacity by employing multiple transmitting and receiving antennas at both the ends of a wireless communication system.
Singh M.Ushamahesh +2 more
doaj +1 more source
Channel Sounding for the Masses: Low Complexity GNU 802.11b Channel Impulse Response Estimation
New techniques in cross-layer wireless networks are building demand for ubiquitous channel sounding, that is, the capability to measure channel impulse response (CIR) with any standard wireless network and node.
Firooz, Mohammad H. +4 more
core +1 more source
Implementation of CDMA in GNU Radio
AbstractThis paper proposes the real time implementation of CDMA, a multiple access technique, which brings forth the complete bandwidth usage by spreading the data of same transmitted power, over the whole bandwidth thereby ensuring safe communication and preventing the occurrence of jamming.
Kavitha, P. +4 more
openaire +1 more source
Primary user emulation characterization in mobile cognitive radio networks
This paper presents the results of the characterization of the attack known as the "primary user emulation" in mobile cognitive radio networks performing the implementation and testing.
Ernesto Cadena-Muñoz +2 more
doaj +1 more source
Enabling Wireless In-band Full-duplex [PDF]
This paper presents a baseband model and an enhanced implementation of the wireless full duplex analog method introduced by [1].Unlike usual methods based on hardware and software self- interference cancelation, the proposed design relies on FSK ...
Jelloul Elmesbahi +4 more
doaj +1 more source
SDR y GNU Radio como plataforma para un laboratorio de comunicaciones digitales [PDF]
SDR (Software Defined Radio) o radio definido por software es una tecnología flexible compuesta por una parte hardware (radio frecuencia) y otra parte basada en software (procesado en banda base).
Rogelio Jaimes Rico, Saul Lazcano Salas
doaj
Comunicación Basada en Radio Cognitiva sobre Radio Definido por Software
En la era de la tecnología inalámbrica, la escasez del espectro radioeléctrico plantea un grave dilema para los proveedores de servicios y los operadores de telecomunicaciones.
Andy Fabricio Vega León, Andrea Guamo
doaj +1 more source
An Integrated Framework for Sensing Radio Frequency Spectrum Attacks on Medical Delivery Drones
Drone susceptibility to jamming or spoofing attacks of GPS, RF, Wi-Fi, and operator signals presents a danger to future medical delivery systems. A detection framework capable of sensing attacks on drones could provide the capability for active responses.
Kulp, Philip H., Mei, Nagi
core +1 more source
A multilayered small‐caliber vascular scaffold combining electrospinning and 4‐axis printing is developed and biofunctionalized with marine sulfated polysaccharides from Holothuria tubulosa. The resulting construct exhibits enhanced hemocompatibility, tunable mechanical properties, and supports endothelial and smooth muscle cell adhesion and ...
Gabriele Obino +9 more
wiley +1 more source
Development of universal software radio peripheral amplifier for underwater acoustic platform using software defined radio [PDF]
First and foremost, the development of a modem using the USRP has applications in oceanographic monitoring and communication. Improved acoustic connecting would allow more efficient transfer of information between Underwater Acoustic (UWA) equipment such
Kalash, Haydar Sabeeh
core

