HCIA-5G-RAN H35-480_V3.0 Reddit Questions

A. The UBBP board in the BBU5900 provides CPRI (Common Public Radio Interface) ports for communication with RF (Radio Frequency) modules. CPRI is an interface standard that is used to transfer baseband signal data between the BBU and the RF modules. D. The UBBP board also processes uplink and downlink baseband signals. This includes signal demodulation, decoding, and modulation, as well as error correction, signal filtering, and other signal processing functions.

According to the official Huawei documentation, during 5G single site verification, you need to test the user access, rate, coverage, handover, and interference. Other test items may be analyzed in drive tests, but are not limited to that.

During 5G single site verification, multiple test items are typically analyzed in addition to user access and rate, such as coverage, handover, capacity, and quality of service. Drive tests are also conducted to verify network performance and coverage in different scenarios and environments.