Results 21 to 30 of about 1,129,195 (294)
Laboratory Radio and Community Communication initiatives
The research analyzes practices from the Community Communication Project (www.comcom.fac.unb.br), through the Community Communication Laboratory Radio (Ralacoco). Created in 2001, Ralacoco has had a history of community experiences with radio broadcast.
Fernando Oliveira Paulino +2 more
openaire +2 more sources
Formulation of professional morals’ criteria for national media based on islamic training and focused on Meraj alsa’da book [PDF]
One of the most important side of Islam Religion is attracting human being toward morality. Religious moralistic media is the media not only be aware of all requirements for modern media but also using that element for propagating morals based on ...
Mohammad Ali Hormozizadeh +2 more
doaj +1 more source
Transoceanic radio communication [PDF]
The paper defines the state of the art of today which is the result of developments during the war. Transatlantic radio communication is at present maintained by five first class stations, two in America and three in Europe. These stations operate at wave-lengths between 12,500 and 17,000 meters.
openaire +1 more source
In this paper, we propose a covert underwater acoustic communication method that is robust to fading using a chirp signal combined with a frequency-hopping spread spectrum scheme.
Geunhyeok Lee +4 more
doaj +1 more source
Radio-Communications Architectures
The goal of this chapter is to demonstrate the absolute need of matching the architecture design and the signal carrying the information. In section 1 and 2, considerations about current users' needs helped to identify three types of carrier signals in the context of radio-communications: NB-CW, WB-CW and IR.
Diet, Antoine +3 more
openaire +3 more sources
Reconfigurable wideband patch antenna for cognitive radio [PDF]
Cognitive radio communication is envisaged to be a new paradigm of methodologies for enhancing the performance of radio communication systems through the efficient utilization of radio spectrum.
AbuTarboush, H.F. +9 more
core +2 more sources
Spectrum sharing security and attacks in CRNs: a review [PDF]
Cognitive Radio plays a major part in communication technology by resolving the shortage of the spectrum through usage of dynamic spectrum access and artificial intelligence characteristics.
Alhakami, Wajdi +2 more
core +3 more sources
RFSoC-FPGA Realization of a Code-Multiplexed Digital Receiver (CMDR) Using 1-ADC/Quad-Channel
A 4-channel code-multiplexed digital receiver is presented for multiple-input-multiple-output (MIMO) applications targeting 5G millimeter-wave (mm-Wave) communications.
Kefayet Ullah +2 more
doaj +1 more source
Communication modality and attitude change in a realistic experiment [PDF]
In this experiment, an experimental interview with the leader of the Socialists in the Dutch Parliament was delivered via three different media: television, radio, or a newspaper presentation. We showed that the experimental interviews led, in themselves,
Wiegman, O.
core +3 more sources
Communication Primitives in Cognitive Radio Networks
Cognitive radio networks are a new type of multi-channel wireless network in which different nodes can have access to different sets of channels. By providing multiple channels, they improve the efficiency and reliability of wireless communication ...
Gilbert, Seth +2 more
core +1 more source

