Coherent transmission of
digital information with M-ary modulation of chaotic signal
T. I. Mokhseni,
A. M. Kikot
1 Kotel’nikov Institute of
Radio engineering and Electronics of RAS, Mokhovaya 11-7, Moscow 125009, Russia
2 Moscow Institute of Physics
and Technology, Institutskiy lane 9, Dolgoprudnyi Moscoe region, 141700, Russia
The paper is received on June
Abstract. A method for coherent
reception and transmission of an information sequence based on chaotic signals
is proposed. Information sequence consists of elements of the M-ary alphabet.
The main feature of the proposed method is the use of pre-recorded in memory in
digital form chaotic signal fragments as carriers. Digital implementation of transmitter
and receiver allows the use of the same copies of carrier chaotic signal and
synchronization of these copies in time for establishing a correlation
reception. The implementation of this approach corresponds to the concept of
Software Defined Radio (SDR). According to SDR concept basic parameters of
transceiver components are determined by software rather than hardware
configuration as it arranged in analog systems.
The scheme of reception and
transmission which allows the implementation of the proposed method is presented.
In the scheme two orthogonal fragments of chaotic signal were used as basic
functions. In accordance with the presented scheme modeling and experimental
approbation were carried out.
Key words: chaotic signal, communication
system, software defined radio, coherent detection.
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I. Mokhhseni, A. M. Kikot.
Coherent transmission of
digital information with M-ary modulation of chaotic signal.
Zhurnal Radioelektroniki - Journal of Radio Electronics,
7. Available at http://jre.cplire.ru/jre/jul17/8/text.pdf.