Selected topics in communications

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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

48 Questions12 MinutesCreated by EngagingSignal432

The mobile subscriber can download video with high bitrate if it’s mobile support mobile generation

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................

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

Selected topics in communications

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