To transfer short message traffic on the basis of both wired and optical communication systems, from the content provider to the client, an SMS message aggregator is required. This aggregator works accordingly to cert...
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ISBN:
(纸本)9781728106069
To transfer short message traffic on the basis of both wired and optical communication systems, from the content provider to the client, an SMS message aggregator is required. This aggregator works accordingly to certain scenarios, which are defined in control systems and have components, based on which, besides control and load balancing, the aggregator itself is scaled.
the article considers techniques of forming the signals with a frequency-hopping spread spectrum. The advantages of systems with FHSS during electronic warfare systems jamming are shown. A new structure of the direct ...
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ISBN:
(纸本)9781538656235;9781538656228
the article considers techniques of forming the signals with a frequency-hopping spread spectrum. The advantages of systems with FHSS during electronic warfare systems jamming are shown. A new structure of the direct digital synthesizer of frequency-modulated signals that have the high frequency tuning rate is offered.
The article considers the stages of the television systems development and the corresponding quality assessment criteria. The calculation of the number of three-dimensional image depth plans based on the statistical d...
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ISBN:
(纸本)9781538656235;9781538656228
The article considers the stages of the television systems development and the corresponding quality assessment criteria. The calculation of the number of three-dimensional image depth plans based on the statistical data of stereo threshold allowing to improve their quality is presented. The results of experimental studies of the television and network parameters influence on the three-dimensional television image quality are presented. Ways of the video information estimation development in infocommunication systems are shown.
The article discusses the main topics and results of the scientific conference "systems of signalsgenerating and processing in the field of on boardcommunications", in which leading industry experts annual...
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The new method of interpolation/approximation of single-dimension functions by the exponential polynomials (in the general case, complex polynomials) is suggested. A solution is based on the xi-transform od complex fu...
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ISBN:
(纸本)9781538656235;9781538656228
The new method of interpolation/approximation of single-dimension functions by the exponential polynomials (in the general case, complex polynomials) is suggested. A solution is based on the xi-transform od complex functions, which are given by the discrete set of equidistant samples. This problem is solved for dynamic systems with fundamental frequencies of any order. The operator model of the high-frequency front-end is synthesized for the on-board receiver of the data transmission system.
The work presents the results of the development and joint application of a single network security trust model and a unified classification system of the protection of elements of information infrastructure of manage...
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ISBN:
(纸本)9781538656235;9781538656228
The work presents the results of the development and joint application of a single network security trust model and a unified classification system of the protection of elements of information infrastructure of management based on a new approach accounting to the importance of elements in a classification system.
The article proposes a device for compensation of dispersion distortions, based on the modification of the classic M-channel system of digital banks of analysis and synthesis with an ideal recovery. The modification c...
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ISBN:
(纸本)9781538656235;9781538656228
The article proposes a device for compensation of dispersion distortions, based on the modification of the classic M-channel system of digital banks of analysis and synthesis with an ideal recovery. The modification consists in adding additional compensatory delays and phase shifts in the synthesis channels, determined by the calculation method, depending on the slope of the frequency dispersion of the ionospheric channel.
Singling out the characteristic areas with typical dynamics in Lorenz system signals by means of non-harmonic spectrographic analysis, a method of representing the distributions of signal probabilities has been develo...
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ISBN:
(纸本)9781538656235;9781538656228
Singling out the characteristic areas with typical dynamics in Lorenz system signals by means of non-harmonic spectrographic analysis, a method of representing the distributions of signal probabilities has been developed. Interconnections have been established between the singled out areas of Lorenz system typical dynamics and distribution of probabilities. The minimal number of poly-Gaussian components, necessary for representing the signals with required accuracy, has been assessed.
the article considers methods of signal spectrum spreading, which served the basis for creating a new block diagram of the direct digital synthesizer of frequency-modulated signals. The offered structure of DDS has th...
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ISBN:
(纸本)9781538656235;9781538656228
the article considers methods of signal spectrum spreading, which served the basis for creating a new block diagram of the direct digital synthesizer of frequency-modulated signals. The offered structure of DDS has the increased operation speed and it allows forming multiple frequency frequency-modulated signals. The direct digital synthesizer is created for the synthesis of signals with frequency modulation and it can be used in radiolocation, navigation and adaptive broadband communication systems with a spread spectrum.
Multiple-Input Multiple Output (MIMO) is the key technology in most advanced wireless communication standarts like 3GPP Long Term Evolution (LTE) and IEEE 802.11n/ac (Wi-Fi). MIMO provides the better performance in te...
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ISBN:
(纸本)9781538656235;9781538656228
Multiple-Input Multiple Output (MIMO) is the key technology in most advanced wireless communication standarts like 3GPP Long Term Evolution (LTE) and IEEE 802.11n/ac (Wi-Fi). MIMO provides the better performance in terms of data rates and spectral efficiency. The cost of MIMO improvements is increased computational complexity of the signal processing at both ends and, as a consequence, growing complexity of the hardware. Increasing number of antennas in MIMO systems will make MIMO systems difficult to implement.
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