| 摘要 |
<p>The invention relates to a radio head device (100) for receiving data from an external processing unit (12) and for transmitting data to at least one antenna (11a), wherein said radio head device (100) comprises a first interface (110) for receiving a digital signal (D) from said external processing unit (12), a digital signal processing device (120) for processing said digital signal (D) and putting out a processed digital signal (D1), a digital to analog, D/A, conversion unit (130) for converting said processed digital signal (D1) to an analog signal (A1), and an amplifier unit (140) for amplifying said analog signal (A1).</p> |
