RADIO COMMUNICATION TRANSMITTER APPARATUS AND METHOD
A radio communication transmitter apparatus 20 is operable to transmit multiple radio frequency bands in a telecommunication system. The apparatus comprises a plurality of digital transmitter chains 21 1 to 21 N , wherein each digital transmitter chain is coupled to receive a digital representation...
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Main Authors | , |
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Format | Patent |
Language | English French German |
Published |
10.02.2016
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Subjects | |
Online Access | Get full text |
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Summary: | A radio communication transmitter apparatus 20 is operable to transmit multiple radio frequency bands in a telecommunication system. The apparatus comprises a plurality of digital transmitter chains 21 1 to 21 N , wherein each digital transmitter chain is coupled to receive a digital representation 27 1 to 27 N of a respective base band signal for processing by a respective digital transmitter chain. Each digital transmitter chain 21 1 to 21 N comprises a digital transmitter 25i to 25 N that is adapted to convert a respective digital base band signal directly into a digital representation of a radio frequency signal 23i to 23 N . A digital combining unit 25 is coupled to receive the output of each digital transmitter chain 21 1 to 21 N , and adapted to combine the digital representation of a radio frequency signal 23i to 23 N received from each digital transmitter chain 21 1 to 21 N into a digital representation of a radio frequency signal 26 comprising multiple radio frequency bands. A digital to analogue converter 27 is coupled to receive the digital representation of a radio frequency signal 26 comprising multiple radio frequency bands, and adapted to convert the digital representation of a radio frequency signal 26 into an analogue radio frequency signal 28 comprising multiple radio frequency bands. |
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Bibliography: | Application Number: EP20120875989 |