It has been determined in the R15 protocol to use SCMA for multiple access. (True or False, 2 points)
Question Analysis: R15 did not determine the use of SCMA multiple access.
What is the Internet of Vehicles scenario for realizing vehicle-to-road communication? (single-choice question, 2 points)
Analysis of test questions: Vehicle and Road (V2I): On-board equipment communicates with roadside infrastructure (such as traffic lights, traffic cameras, roadside units, etc.); Vehicle-to-vehicle (V2V): Vehicle-to-vehicle communication through on-board terminals; People (V2P): Vulnerable traffic groups (such as pedestrians, cyclists, etc.) use user equipment (such as mobile phones, laptops, etc.) to communicate with in-vehicle devices; Vehicle and Network (V2N): In-vehicle devices communicate with in-vehicle devices through the access network/core network. Cloud platform connection.
How many connections can 5G support per square kilometer at least? (single-choice question, 6 points)
Higher-order QAM modulation requires higher signal-to-noise ratio and higher system complexity, so the modulation order cannot be increased indefinitely. (True or False, 2 points)
Which of the following services cannot be supported by the 4G network and need to be implemented using 5G? (Multiple choice, 2 points)
Question analysis: The services that require 5G implementation are those that require high bandwidth, delay, and number of connections. In the options, automatic driving and telemedicine both require low latency and require 5G to achieve.
