Which of the following randomly access scenarios are competition-based scenarios? (Multiple choice)

• A.Upstream out-of-synchronization state requires downlink data transmission
• B.Initial access in idle mode
• C.Switch to the new community
• D.Upstream out-of-synchronization state requires uplink data transmission
• E.RRC reconstruction after radio link out of synchronization

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There are three main solutions for inter-cell interference suppression technology in LTE systems. Which of the following is not included?

• A.Interference coordination and avoidance
• B.Frequency division multiplexing
• C.Randomization of inter-cell interference
• D.Inter-cell interference removal

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What information is determined by the location of the PHICH resource for each upstream user? (Multiple Choice)

• A.Number of PHICH processes
• B.Number of PHICH channel groups
• C.PHICH channel duration
• D.User's PUSCH information location

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Which of the following ports is the transmit power of the EIRP?

• A.Feeder port
• B.Top port
• C.Antenna port
• D.RRU port

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Among the tools commonly used by Huawei, which of the following is used for parameter planning?

• A.Nastar
• B.U-NET
• C.RND
• D.Probe

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