Selected topics in communications
Test Your Knowledge in Advanced Communications
Welcome to the selected topics in communications quiz! This quiz is designed to assess your understanding of mobile communications, millimeter waves, MIMO technology, and Internet of Things (IoT) applications.
Challenge yourself with questions covering:
- Mobile network generations
- Millimeter wave capabilities
- Massive MIMO technology
- IoT applications and their impact
The mobile subscriber can download video with high bitrate if it’s mobile support mobile generation
1g
3g
4g
2g
Millimeter waves able to provide ………….
Lower transmission rate
Capability of spread spectrum
Less immune to interference
Lower bandwidth
Millimeter waves allow multiple transmitters to be placed in a nearby location and use the same frequency without interfering with each other
True
False
By using the millimeter waves in 5G, the mobile terminal will have a large antenna size more than the one in previous generations.
True
False
The millimeter waves can be used to send signals for a long distance.
True
False
There are interferences with oxygen and rain at millimeter-wave frequencies band.
True
False
�………… is a technique that focuses the transmitted energy into a specific direction.
Beamforming
Millimeter-waves
MIMO
Cloud computing
Smart antenna (beamforming) focuses the radio beam in the needed direction, and this leads to a stronger signal and less wasted RF energy in a specific direction.
True
False
The number of served subscribers in Macrocells is typically lower than 100 users.
True
False
The range of coverage area in Macrocell is expressed in several kilometers.
True
False
The mini-macro cell uses a single sector and single frequency
True
False
The size of the Macro cell is smaller than the size of the small cell.
True
False
The small cell should be deployed by high efficient engineers
True
False
Self-organizing capability and self-optimization and interference management are some of the most powerful features of a small cell.
True
False
The cell coverage area can be easily defined by a network service provider..
True
False
In a massive MIMO, the base stations are equipped with a very small number of antennas as compared to previously considered systems.
True
False
In a massive MIMO, The transmitter able to enhance both diversity and multiplexing gain.
True
False
Beamforming aims to improve the coverage, but massive MIMO aims to increase link capacity.
True
False
In massive MU-MIMO, more independent data streams can be sent out, and more terminals can be served simultaneously.
True
False
The communicating components in massive MIMO must be expensive, and high-power components.
True
False
The interference in massive MIMO is very high because the base station can purposely avoid transmitting into directions where spreading interference would be harmful.
True
False
If the number of the transmitter antennas equals 2 and the number of receiver antennas equals 4, the diversity gain will equal................
2
4
8
6
In Time Division Duplex (TDD), the mobile unit able to transmit and receive simultaneously.
True
False
The implementation of TDD is complex than FDD and require to synchronize with the whole network..
True
False
In 5G massive MIMO use frequency division technique (FDD) to communicate between uplink and downlink signals.
True
False
In massive MIMO, the precoding technique --such as Vector perturbation precoding-- used to reduce the interference in a multiuser system.
True
False
In the half-duplex technique, the communicating nodes able to transmit and receive at the same time.
True
False
In the IoT realm, smart city applications have much revenue compared to smart home applications.
True
False
A remote healthcare is the one of IoT applications that require a very low latency and high availability.
True
False
Smart light IoT application helps the government to save power and reduce energy consumption.
True
False
In a smart parking system, the driver able to reserve the parking site online through IoT application on his mobile.
True
False
In a smart mobile IoT application system, the wireless network service provider able to decrease the time of discovering the signal weakness
True
False
IoT application value chain is very similar to the mobile application value chain.
True
False
IoT devices need carrier networks to communicate with other devices and transmit data to the cloud.
True
False
IoT kit is used to proof, test, verify, and approve the concept of IoT application.
True
False
A SigFox wireless technology enables the IoT device to transmit a large amount of data.
True
False
Wireless sensor networks technology such as LORA and Bluetooth low energy transmit a small bitrate while helping to increase the battery lifetime.
True
False
Traffic monitoring system can use SigFox to transmit the data generated from camera devices to the remote cloud.
True
False
The more wireless technologies the IoT gate ways support, the better to access different types of IoT devices.
True
False
To support a large number of IoT devices, The IoT gateways must have sufficient memory and CPU capabilities.
True
False
The edge computing part of IoT application is the application part that implemented on the IoT device.
True
False
Narrowband IoT wireless technology has a lower cost than SigFox carrier network technology.
True
False
Sigfox is a public network where devices rely on the infrastructure deployed through cities and countries by the local Sigfox Operator to communicate.
True
False
Wherever you are from --through Global SIM Cards, you can travel internationally; you can stay connected on the wireless networks and reduce your international roaming charges (i.e.. You will get low-cost rates around the world).
True
False
These days, most of the world data, that generated from IoT and smartphone devices is unstructured data.
True
False
Information is raw, unorganized facts that need to be processed, seemingly random, and useless until it is organized.
True
False
The availability of the data is one of the most compelling enablers for big data analytics.
True
False
Fog computing is a term created by Cisco that refers to extending cloud computing to the end of an enterprise's network.
True
False
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