name: TXU
full_form: Transmitter Unit
context: RIB to transmit maximum power according to the applicable test configuration in clause 5 using the corresponding test models or set of physical channels in clause 4.11. b) For UTRA: - For a RIB declared to be capable of single carrier operation only, set the RIB to transmit a signal according to TM1, clause 4.12.2, at the manufacturer's declared rated carrier TRP, Prated,c,TRP. - For a RIB declared to be capable of multi-carrier operation, set the set the RIB to transmit according to TM1 on all carriers configured using the applicable test configuration and corresponding power setting specified in clause 4.11. c) For E-UTRA: - RIB declared to be capable of single carrier operation only, set the RIB to transmit a signal according to E-TM1.1 in clause 4.12.2, at manufacturer's declared rated carrier TRP Prated,c,TRP. - For a RIB declared to be capable of multi-carrier and/or CA operation, set the set the RIB to transmit according to E-TM1.1 on all carriers configured using the
description: The Transmitter Unit (TXU) is a component within the Active Antenna System (AAS) Base Station (BS) architecture, responsible for transmitting signals through the Radio Distribution Network (RDN) to the antenna array. It performs operations that are reversed by the Receiver Unit (RXU). The TXU can be separated from the RXU and have different mappings through the RDN towards the Antenna Array (AA).
explanation: The context describes the TXU's role in signal transmission within a telecommunications network, highlighting its interaction with other network elements like the RDN and AA. This functional role within the network infrastructure classifies it as a Network Function.
section_title: 4.3	General AAS BS RF architecture
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