The effect of electrical and mechanical antenna down-tilting in UMTS networks
Autor: | R. Hermans, A. Kemper, R. Pabst, I. Forkel |
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Rok vydání: | 2002 |
Předmět: |
Reconfigurable antenna
Engineering Code division multiple access business.industry Node (networking) law.invention Network planning and design Base station law Electronic engineering Antenna noise temperature Antenna (radio) business Computer Science::Databases UMTS frequency bands Computer Science::Information Theory |
Zdroj: | Third International Conference on 3G Mobile Communication Technologies. |
DOI: | 10.1049/cp:20020366 |
Popis: | In an interference-limited CDMA system, network planning and the optimal installation of infrastructure components are important issues. This is not only to increase system capacity but also to allow for a smooth network operation. Whereas the Node B locations can hardly be changed, modern antennas provide adaptation mechanisms with which the antenna down-tilt angle can be adapted to the various needs of the network. This is dependent on the locations of the base station sites, the resulting cell sizes, and the current traffic situations. The simulations presented in this paper show basic effects on network coverage and capacity due to changes in the antenna down-tilt angle configuration. It is differed between mechanical and electrical adjustment of the down-tilt resulting in slightly different antenna characteristics. |
Databáze: | OpenAIRE |
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