name: CBW
full_form: Channel Bandwidth
context: test. The test consists of 1 time period, with duration of T1. During T1, Time period T1 starts when a RRCReconfiguration with updated CBW configuration, sent from the test equipment to the UE, is received at the UE side in PCellâs slot # denoted i. The UE shall reconfigure its CBW with the updated CBW of final condition. The UE shall be able to completely receive PDSCH on PCell from the first DL slot that occurs after the beginning of DL slot as defined in clause 8.13.2 and starts to report valid ACK/NACK for the PCell from the first UL slot that occurs after the beginning of DL slot. The UE shall be continuously scheduled on PCellâs new CBW starting from the first DL slot that occurs after the beginning of DL slot . TRRCprocessingDelay and TCBWchangeDelayRRC are defined in clause 8.13A. The test equipment verifies the UE specific CBW switch time in PCell by counting the time from the time when the RRC Reconfiguration message including updated CBW configurations sent till the time
description: Channel Bandwidth (CBW) is a critical network attribute that defines the width of the channel used for communication between the UE and the base station. It is an essential parameter in wireless communication systems, as it affects the data transmission rate and quality.
explanation: The text describes CBW as a  network attribute that needs to be adjusted (updated by RRCReconfiguration message) for proper communication. The mention of delays specifically related to CBW changes further emphasizes its role as a crucial network parameter.
section_title: A.17.5.6.1.1Test Purpose and Environment
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