Which of the following MML commands can be used to query version information relating to the software stored on the gNodeB?
Answer(s): C
The correct MML command to query version information relating to the software stored on the gNodeB is LST SOFTWARE. This command will list the version information of the software installed on the gNodeB, including the version numbers, software names, and more. This is stated in the official Huawei documentation, which states: "Use the LST SOFTWARE command to check the version information of the software installed on the gNodeB, including the version numbers, software names, and more." Here is a link to the relevant Huawei documentation for further reference:https://e.huawei.com/en/products/base-station/bbu5900/overview
Which of the following statements about the functions of an AAU are correct? (Choose All thatApply)
Answer(s): A,B,C,E
An AAU is responsible for performing up/down conversion of spectrum, power amplification, signal filtering, and analog-to-digital/digital-to-analog conversion. It does not perform baseband data processing. This is stated in the official 3GPP documentation which states: "The AAU performs up/down conversion of spectrum, power amplification, signal filtering, and analog-to-digital/digital- to-analog conversion." Here is a link to the relevant 3GPP documentation for further reference:https://www.3gpp.org/dynareport/33222.htm
Which of the following RF modules support 64T64R? (Choose All that Apply)
Answer(s): A,D
The AAU5313 and RRU5901 do not support 64T64R. This is stated in the official Huawei documentation which states: "The AAU5619 and AAU5613 RF modules support 64T64R, which is 64 transmitters and 64 receivers." Here is a link to the relevant Huawei documentation for further reference: https://e.huawei.com/en/products/base-station/bbu5900/overview 64T64R (64 Transmit 64 Receive) is a high-density MIMO (multiple input multiple output) technology that uses multiple antennas at both the transmitter and receiver to improve the performance of the wireless communication system.
Which of the following files must be prepared when remotely commissioning a gNodeB using the MAE Deployment? (Choose All that Apply)
Answer(s): A,B,C,D
1. Site deployment list: A document that provides information about the location and basic configuration of the gNodeB, including the site name, coordinates, azimuth, and antenna type. B. Data configuration file of the base station: A file that contains the detailed configuration information of the gNodeB, such as IP address, system parameters, and software version. It is used to configure the gNodeB remotely. C. Base station software package of the target version: A software package that contains the software version that needs to be installed on the gNodeB. D. Base station license: A license file that is required to activate and use the gNodeB.
The BBU5900 uses a modular design. Which of the following subsystems constitute the BBU? (Choose All that Apply)
Answer(s): A,B,C
Control subsystem: It is responsible for managing and controlling the overall operation of the BBU, it provides functions such as system initialization, software management, and alarm management. Transmission subsystem: It is responsible for the transmission of data between the baseband subsystem and the RF subsystem, it includes functions such as data encoding, modulation, and multiplexing.Baseband subsystem: It performs the baseband processing for the BBU, it includes functions such as demodulation, decoding, and demultiplexing.
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