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)</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)</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</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</p> Signup and view all the answers

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

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

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

    <p>VoLTE</p> Signup and view all the answers

    What does H or H+ represent in mobile connectivity?

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

    Which of the following technologies provides the fastest data speeds?

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

    What is the primary feature of a monopole tower?

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

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

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

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

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

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