ECEN106: Radio Access Network (RAN) Overview

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Questions and Answers

What is the primary function of the Radio Access Network (RAN) in a wireless telecommunications system?

  • To manage subscriber information and location
  • To control the antenna system and radios
  • To route traffic in the core network
  • To provide wireless connectivity between user equipment and the core network (correct)

What are the factors to be considered when deploying a Radio Access Network (RAN)?

  • Population density, topography, building density, and traffic pattern (correct)
  • Distance from the core network, network latency, and signal strength
  • Cell site location, network congestion, and Radio Frequency (RF) interference
  • Population density, topography, and weather pattern

What is the typical number of radio transceivers used in a cell site?

  • One
  • Three (correct)
  • Four
  • Two

What type of tower is constructed with various sizes of angles for heights ranging from 45m to 106m?

<p>4-Legged Self-Support Tower (SST) (D)</p> Signup and view all the answers

What is the user terminal (UT) commonly known as in 3G, 4G, and 5G?

<p>User Equipment (UE) (D)</p> Signup and view all the answers

What is the core network responsible for in a wireless telecommunications system?

<p>Managing the overall operation of the network and routing traffic (D)</p> Signup and view all the answers

In urban areas with high population and building density, what is the typical deployment strategy for cell sites?

<p>Deploying more cell sites with lower output power (C)</p> Signup and view all the answers

What is the Radio Access Network (RAN) also commonly known as?

<p>Cell Site (C)</p> Signup and view all the answers

What is the primary function of the Remote Radio Unit (RRU) in a RAN tower structure?

<p>To amplify, modulate and demodulate RF signals (C)</p> Signup and view all the answers

What is the benefit of placing RRUs near the antenna in a RAN tower structure?

<p>To reduce signal loss and improve overall system performance (B)</p> Signup and view all the answers

What is the primary function of the Baseband Unit (BBU) in a RAN tower structure?

<p>To manage digital signals that are transmitted and received (B)</p> Signup and view all the answers

Where is the Baseband Unit (BBU) typically located in a RAN tower structure?

<p>At the base of the cell tower or in a central location within the network (D)</p> Signup and view all the answers

What is the role of the antenna in a RAN tower structure?

<p>To transmit and receive RF signals (A)</p> Signup and view all the answers

What is the purpose of having different variations of stealth towers?

<p>To provide a disguise for the cell tower (A)</p> Signup and view all the answers

Which technology allows voice calls to be made over LTE (4G) networks?

<p>VoLTE (A)</p> Signup and view all the answers

What does H or H+ represent in mobile connectivity?

<p>High-Speed Packet Access (HSPA) (C)</p> Signup and view all the answers

Which technology is indicated by G or G+ and provides basic internet connectivity on GSM networks?

<p>GPRS (B)</p> Signup and view all the answers

What is the main advantage of 4G or LTE over previous generations?

<p>High-speed mobile broadband internet access (C)</p> Signup and view all the answers

Which network indication usually signifies that a mobile device is on a network outside of its home network?

<p>R (D)</p> Signup and view all the answers

Which of the following technologies provides the fastest data speeds?

<p>5G (B)</p> Signup and view all the answers

Which type of tower is commonly used in the industry for its strength and ease of installation?

<p>Guyed Tower (D)</p> Signup and view all the answers

What is the primary feature of a monopole tower?

<p>Simple single pole (C)</p> Signup and view all the answers

Which type of cell site is specifically designed for easy relocation and installation within a day?

<p>Cells Site on Wheels (C)</p> Signup and view all the answers

Which tower type is often used in urban areas to blend with the environment?

<p>Camouflage Site (C)</p> Signup and view all the answers

Which feature is NOT commonly associated with a 3-Legged Self-Support Tower (SST)?

<p>Slender steel design (B)</p> Signup and view all the answers

What is the recommended height range for structures accommodating heavy-duty loading and multiple operators?

<p>45m, 60m, 90m, and 100m (B)</p> Signup and view all the answers

Which type of structure is usually installed on the walls of buildings using brackets?

<p>Wall-mount Site (B)</p> Signup and view all the answers

Which type of tower is preferred for locations requiring multiple panel or dish antennas?

<p>3-Legged Self-Support Tower (A)</p> Signup and view all the answers

Which mobile technology supports ultra-low latency and a wide range of applications, including virtual reality and IoT?

<p>New Radio (NR) (C)</p> Signup and view all the answers

Which generation of radio access network is associated with Ultra-Reliable Low Latency Communications (uRRLC)?

<p>5G (gNodeB) (D)</p> Signup and view all the answers

What is the main use of 2G (BTS) radio access networks?

<p>Voice Call and SMS (C)</p> Signup and view all the answers

Which analog cellular system operated in the 450 MHz band and utilized both FDMA and TDMA for communication?

<p>Nordic Mobile Telephone (NMT) (B)</p> Signup and view all the answers

What digital cellular technology is used for transmitting mobile voice and basic data services?

<p>Global System for Mobile Communications (GSM) (A)</p> Signup and view all the answers

Which mobile technology offers higher data speeds and low latency suitable for HD multimedia services?

<p>Long Term Evolution (LTE) (D)</p> Signup and view all the answers

Which analog cellular system in Europe operates in the 900 MHz band using FDMA?

<p>Total Access Communication System (TACS) (B)</p> Signup and view all the answers

What type of services does the 4G (eNodeB) radio access network primarily support?

<p>Mobile Broadband and High-Speed Internet (D)</p> Signup and view all the answers

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