ACTIVE ANTENNA ARRAY FOR A MOBILE COMMUNICATIONS NETWORK WITH A PLURALITY OF GAIN SWITCHES AND A METHOD FOR ADJUSTING A SIGNAL LEVEL OF INDIVIDUAL RADIO SIGNALS
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United States of America Patent
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Issued Date -
Jun 30, 2011
app pub date -
Dec 30, 2009
filing date -
Dec 30, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An active antenna array for a mobile communications network and a method for receiving radio signals is disclosed. The active antenna array has a plurality of antenna elements for relaying radio signals, a plurality of first amplifiers for amplifying a plurality of individual receive signals a plurality of first analogue-to-digital converters and a plurality of first gain switches located between one of the plurality of first analogue-to-digital converters and the plurality of first amplifiers. A digital signal processor is connected to outputs of the plurality of first analogue-to-digital converters and has a common gain switch control line connected to at least two of the plurality of first switches for controlling the gain of the first gain switches.
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