Current Issue : April - June Volume : 2015 Issue Number : 2 Articles : 6 Articles
The relevance and perspective of the technological platform\n\"Information and telecommunication and space technology for innovative\ndevelopment of Siberia\" with the active participation of the Siberian State\nAerospace University are discussed. The technology platform is a form of\nimplementing public-private partnership, a way of mobilizing capacity of\nstakeholders (government, business, scientific community) and tool for\ncreating science, technology and innovation policy to maintain the innovative\ndevelopment and technological modernization of the economy as part of the\ndevelopment of information and telecommunication and space technology....
The telecommunication system includes the\ntransmission of a data bearing electromagnetic signal\nthrough a physical medium that differentiates the\ntransmitter from the receiver. The relative effect of these\nelements on reliable communication relies on upon the rate\nof data transmission, on the craved loyalty upon gathering,\nand on whether communication must happen in \"real\ntime\", for example as in phone conversations and video\nteleconferencing. Moreover, microwaves are generally\nutilized for point-to-point communications. Doubtlessly,\nthe telecom area has got a considerable measure of profit\nfrom that communication technology additionally causes\nsome exception issues. Working with equipment that\nworks in this district obliges exceptional knowledge and\nskills impressively unique in relation to those required for\ntraditional electronic equipment. Be that as it may, this\npaper has examined for the issues of microwave\ninstallation and demonstrates the accurate solutions for\nthe successful mobile communication world....
Since the phase-locked loop (PLL) circuit was proposed in the 1930s, it is being used for a lot of situations when precise frequency\nand phase references are required. Among these applications, synchronous telecommunication networks experienced a strong\ndevelopment in order to support the explosive information traffic that the modern society demands. Consequently, bandwidth\nbecame a decisive parameter, implying higher and higher frequencies for the clock signals exchanged between the nodes of\nthe networks and detected by PLLs. The necessity to improve clock precision that follows the bandwidth increase provoked\nthe improvement of the filter component of the PLLs, avoiding instability and high-frequency components in the reference\nsignals. Here, a technique of designing this kind of filter is presented, considering second-order filters, implying third-order PLLs.\nSimulations show that following this technique produces very fast tracking processes, enabling precise operation even for very high\nfrequencies....
As demand for mobile broadband services continues to explode, mobile wireless networks\nmust expand greatly their capacities. This paper describes and quantifies the economic\nand technical challenges associated with deepening wireless networks to meet this\ngrowing demand. Methods of capacity expansion divide into three general categories:\nthe deployment of more radio spectrum; more intensive geographic reuse of spectrum;\nand increasing the throughput capacity of each MHz of spectrum within a given\ngeographic area. The paper describes these several basic methods to deepen mobile\nwireless capacity. It goes on to measure the contribution of each of these methods to\nhistorical capacity growth within U.S. networks. The paper then describes the capabilities\nof 4G LTE wireless technology, and further innovations off of it, to further improve\nnetwork capacity. These capacity expansion capabilities of LTE-Advanced along with\ntraditional spectrum reuse are quantified and compared to forecasts of future demand to\nevaluate the ability of U.S. networks to match future demand. Without significantly\nincreasing current spectrum allocations by 560 MHz over the 2014ââ?¬â??2022 period, the\npresented model suggests that U.S. wireless capacity expansion will be inadequate to\naccommodate expected demand growth. This conclusion is in contrast to claims that the\nU.S. faces no spectrum shortage....
This study tried to ascertain the impact of developments in telecommunications on household Poverty level in Nigeria through its impact on household per capita income, small business turn over employment and health, using cross-sectional data from a nationwide survey. Two states were selected from each of the six geo-political zones in the country and in each state, a sample of 1 000 households were selected, making a total sample size of 12 000. The estimation was carried out using a probit model. The results of both the regression and marginal impact analysis generally suggest that developments in telecommunications to a very large extent have a positive impact on poverty reduction in Nigeria. This lead to the recommendation that the Nigerian Communications Commission should try and see that there is increase in development of the telecom sector through liberalization and deregulation....
This paper is concerned with long-term (20+years)\nforecasting of broadband traffic in next-generation networks.\nSuch long-term approach requires going beyond extrapolations\nof past traffic data while facing high uncertainty in\npredicting the future developments and facing the fact that,\nin 20 years, the current network technologies and architectures\nwill be obsolete. Thus, ââ?¬Å?order of magnitudeââ?¬Â upper bounds of\nupstream and downstream traffic are deemed to be good\nenough to facilitate such long-term forecasting. These bounds\ncan be obtained by evaluating the limits of human sighting\nand assuming that these limits will be achieved by future\nservices or, alternatively, by considering the contents transferred\nby bandwidth-demanding applications such as those\nusing embedded interactive 3D video streaming. The traffic\nupper bounds are a good indication of the peak values and,\nsubsequently, also of the future network capacity demands.\nFurthermore, the main drivers of traffic growth including\nmultimedia as well as non-multimedia applications are identified.\nNew disruptive applications and services are explored\nthat can make good use of the large bandwidth provided by\nnext-generation networks. The results can be used to identify\nmonetization opportunities of future services and to map\npotential revenues for network operators....
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