Understanding the Evolution of 4G Technology
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Questions and Answers

What term did the engineering community use to describe LTE and mobile WiMAX 1.0 due to not meeting the IMT-Advanced requirements?

  • LTE-Advanced
  • 3.9G (correct)
  • 3.5G
  • 4G Evolution
  • What was the marketing community's stance on LTE and mobile WiMAX 1.0, despite not meeting the IMT-Advanced requirements?

  • Labeled them as 2.5G
  • Referred to them as LTE-Advanced
  • Termed them as 4G technologies (correct)
  • Described them as 3G technologies
  • What prompted the ITU to give its approval for the use of 4G to describe LTE and other technologies?

  • Meeting all IMT-Advanced requirements
  • Being based on UMTS technology
  • Having substantially better performance than early 3G systems (correct)
  • Using OFDMA exclusively for transmission
  • Which technique is utilized for radio transmission and reception in LTE?

    <p>Orthogonal Frequency Division Multiple Access (OFDMA)</p> Signup and view all the answers

    What is the significance of the move from UMTS to LTE, according to the text?

    <p>Clear technical transition</p> Signup and view all the answers

    Why did the ITU allow the use of 4G to describe LTE and other technologies?

    <p>For exhibiting superior performance compared to early 3G systems</p> Signup and view all the answers

    What is the official name for the whole system architecture described in the text?

    <p>Evolved Packet System (EPS)</p> Signup and view all the answers

    Which 3GPP work items were responsible for designing the new architecture described in the text?

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

    What were the peak data rates required for LTE in the downlink and uplink according to the text?

    <p>100 Mbps in downlink and 50 Mbps in uplink</p> Signup and view all the answers

    What is a better measure of system performance than peak data rates according to the text?

    <p>Spectral efficiency</p> Signup and view all the answers

    Which part of the system architecture does LTE specifically refer to?

    <p>Air interface</p> Signup and view all the answers

    What term has colloquially become synonymous with the entire system architecture as per the text?

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

    What is the main benefit of integrated RNC/NodeB architecture in comparison to traditional HSPA architecture?

    <p>Reduces latency by having fewer nodes</p> Signup and view all the answers

    Which 3GPP release introduced the flat architecture that improves latency and efficiency?

    <p>Release 7</p> Signup and view all the answers

    How does the growth of mobile data traffic compare to voice calls in the years leading up to 2010?

    <p>Mobile data traffic grew faster than voice calls</p> Signup and view all the answers

    What network architecture is the integrated RNC/NodeB architecture similar to in 3GPP Release-8?

    <p>SAE/EPC architecture</p> Signup and view all the answers

    In the context of mobile communication networks, what does OFDMA stand for?

    <p>Orthogonal Frequency Division Multiple Access</p> Signup and view all the answers

    What is a key characteristic of the integrated RNC/NodeB architecture option for HSPA+ mentioned in the text?

    <p>Simplicity and fewer nodes for reduced latency</p> Signup and view all the answers

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