Abstract
Power control is a major issue in the deployment of 4G mobile networks. Indeed, environmental constraints (relief, Air, noise,...) affect the propagation channels of mobile network systems. The new multimedia services, which consume large amounts of radio resources (frequencies), then lead to an optimization of power control in the cellular coverage in the uplink direction. The aim is to optimize the capacity of radio resources in the cellular coverage based on a COST-231 Walfisch-Ikegami semi-empirical propagation model for power control in the upward direction. It is a question of studying the signal quality between a mobile station and the base station under the constraint of obstacles (Buildings) in order to evaluate the effect of propagation losses on the transmission power in Uplink using different frequencies of the network. Results show that the transmission power is strongly influenced by the path losses that depend on the carrier frequency. Higher the transmission frequency, the less the wave propagates due to propagation and penetration losses due to different barriers.
Highlights
In recent years, wireless technologies have developed rapidly
Each channel is assigned to a frequency and each frequency type determines a number of resource blocks available (See Table 1)
In this work we analyzed the impact of propagation loss on transmission power in the cellular coverage of LTE-Advanced networks in Uplink with the presence of obstacles
Summary
Wireless technologies have developed rapidly. As a result of this evolution, transmission systems are likely to support a wide range of applications: voice, pictures, video and data. We will discuss the problem of the network's ability to ensure good cellular coverage in dense traffic areas under the constraint of the presence of obstacles, based on the parameters of power control. Aim is to analyse the effects of propagation losses on the signal transmitted at LTE-Advanced frequencies in order to optimize network capacity and cellular coverage from power control. Flowchart of this article is presented as follows: Section II presents work on LTE power control in the uplink. A conclusion on the research work will close this article by indicating a way forward for the further work to be carried out
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