Broadband switching method, user terminal and network side equipment
A technology for network-side equipment and user terminals, which is applied in the directions of multiple use of transmission paths, transmission monitoring, and digital transmission systems, and can solve the problem that the switching principle is not clearly given.
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[0158] Example one:
[0159] Such as Figure 5 As shown, the four BWPs (BWP1, BWP2, BWP3, and initial BWP) configured for the UE overlap each other, and there is one BWP3 that can completely cover other BWPs.
[0160] The base station configures a measurement interval through high-level signaling BWP-measGapConfig. In this measurement interval, the base station configures the UE to send aperiodic SRS on BWP3. The base station estimates the channel quality of the entire BWP3 based on the received SRS, and can learn the channel quality in BWP3 Then select the BWP that can be activated according to the UE frequency band requirements and the location of each BWP center frequency point. In this embodiment, the frequency band with better channel quality is the frequency band covered by BWP1, so the base station uses the RRC signal Let or DCI indicate to activate BWP1, and the UE switches from the initial BWP to BWP1 with better channel quality.
Example Embodiment
[0161] Embodiment two:
[0162] Such as Image 6 As shown, the four BWPs (BWP1, BWP2, BWP3, and initial BWP) configured for the UE overlap each other, but there is no case where one BWP can completely cover other BWPs.
[0163] The base station configures three measurement intervals through the high-level signaling BWP-measGapConfig. Within these three measurement intervals, SRS resources are configured for different BWPs. For example, the UE is configured to send aperiodic SRS on BWP1, BWP2, and BWP3. The base station estimates the channel quality of each BWP through the received SRS, and instructs the UE to switch to BWP2 with better channel quality through DCI.
Example Embodiment
[0164] Example three:
[0165] When the SRS resource used for inactive BWP channel quality measurement is an aperiodic reference signal, the base station configures the measurement interval through high-layer signaling BWP-measGapConfig, and at the same time triggers the UE to send the pre-configured on the inactive BWP corresponding to the measurement interval through DCI After that, the base station estimates the channel quality of the BWP according to the received SRS, and instructs the UE to switch to the activated BWP with better channel quality according to the channel quality.
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