; akouch@mail.ru Keywords: wireless sensor network, long term evolution, heterogeneous zone, cluster head node, temporary mobile cluster head node. <...> The worldwide wireless sensor networks, vehicular ad hoc networks and future flying ad hoc networks implementation change the homogeneous LTE service zone to heterogeneous. <...> The new investigation area for heterogeneous service zones is proposed in the paper. <...> The mobile nodes such as LTE terminal, VANET vehicle, flying networks unmanned aerial vehicle considering as a temporary mobile cluster head for sensor network. <...> LINEAL TRACT OF FIBER-OPTIC TRANSMISSION SYSTEM S.V. <...> ; balapshin@mail.ru Keywords: Fiber-optic transmission system, digital transmission system, channel forming equipment, linear tract, circuit switching, switching optical spectral channels, optical modulation, wave multiplexer. <...> «ЭЛЕКТРОСВЯЗЬ», № 3, 2015 In this article we consider the status of lineal tracts of nowadays fiberoptic transmission system (in order of discussion). <...> We note the absence of normalizations lineal tract in general setting which are characteristically for multichannel transmission systems with frequency separation channels. <...> The ways of standardization lineal tracts of newest fiber-optic transmission systems are discussed. <...> MULTICHANNEL MESSAGE DISTORTION DUE TO PATH IMBALANCE IN LINC AMPLIFIER A.A. <...> Losev, NIIR, head of laboratory, losev@frtk.ru Keywords: ACPR, LINC, multichannel message, NBGN, nonlinear distortion, outphasing, power amplifier. <...> It is analyzed multichannel message distortion that occurs during signal amplification in LINC amplifier due to gain and phase imbalance between its branches. <...> Derived formulas can be used to determine path imbalance requirements based on acceptable levels of in-band and out-ofband distortion. <...> ИНСТИТУТ ПОВЫШЕНИЯ КВАЛИФИКАЦИИ МТУСИ КАЛЕНДАРНЫЙ ПЛАН НА ИЮНЬ 2015 г. Подразделение Полное название учебной <...>