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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Embodiment 1
[0159] Such as Figure 5 As shown, the four BWPs (BWP1, BWP2, BWP3, and initial BWP) configured for the UE overlap with each other, and there is one BWP3 that can completely cover other BWPs.
[0160] The base station configures a measurement interval through the 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 according to the received SRS, and can know the channel quality in BWP3. A good segment, and then select the BWP that can be activated according to the size of the UE frequency band requirement 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 passes the RRC signal Command or DCI indicates to activate BWP1, and the UE switches from the initial BWP to BWP1 with better channel quality.
Embodiment 2
[0162] Such as Figure 6 As shown, the four BWPs (BWP1, BWP2, BWP3, and initial BWP) configured for the UE overlap with each other, but there is no situation where one BWP can completely cover other BWPs.
[0163] The base station configures three measurement intervals through the high-layer signaling BWP-measGapConfig, and configures SRS resource for different BWPs within the three measurement intervals, for example, configuring UE 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.
Embodiment 3
[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 the high-level signaling BWP-measGapConfig, and at the same time triggers the UE to send the pre-configured 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 active BWP with better channel quality according to the channel quality.
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