An improved antenna control apparatus as well as an associated antenna and a method which has been improved in this context are distinguished by the following features:

    • the control apparatus (13) has control electronics (41),
    • the control apparatus (13) furthermore has an electric motor (51),
    • an antenna control apparatus can be retrofitted outside the protective cover for the mobile radio antennas, or else as a preferably complete unit underneath this protective cover.

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    < Forward link power control of multiple data streams transmitted to a mobile station using a common power control channel

    < Stop-on-station method and apparatus

    > Direct-conversion receiver system and method with quadrature balancing and DC offset removal

    > Dynamic sub-carrier assignment in OFDM systems
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