5G Interview Question And Answer

[TechRadar]

Q: What are the benefits of 5G?

• A: Faster download and upload speeds, lower latency, greater capacity, and supports new use cases like autonomous vehicles, remote surgery, and virtual and augmented reality.

Q: What technologies are used in 5G?

• A: 5G uses advanced technologies such as millimeter waves, massive MIMO, beamforming, and small cell networks.

Q: What is latency in 5G?

• A: Latency in 5G is as low as 1 millisecond (ms), which means there is very little delay in transmitting data over the network.

Q: What is network slicing?

• A: Network slicing in 5G is a technology that creates virtual networks with customized performance characteristics to meet the needs of different users or applications.

Q: What is beamforming?

• A: Beamforming in 5G is a technique that focuses the wireless signal in a specific direction, improving coverage and reducing interference.

Q: How does 5G use small cell networks?

• A: 5G uses small cell networks to improve coverage and capacity in areas where there is high demand for wireless connectivity, such as urban centers.

Q: What is EN-DC?

• A: EN-DC (E-UTRA-NR Dual Connectivity) is a technology used in 5G networks that allows for simultaneous connections to both 4G and 5G networks.

Q: What are the benefits of EN-DC?

• A: The benefits of EN-DC include improved coverage, reduced latency, and faster data speeds, as well as the ability to use 5G-specific features and applications.

Q: What is the maximum data speed supported by EN-DC?

• A: EN-DC can support data speeds of up to 2 Gbps, depending on network conditions and device capabilities.

Q: What is the role of the 4G LTE network in EN-DC?

• A: The 4G LTE network in EN-DC provides the control plane signaling and anchor point for the dual connectivity with the 5G NR network.

Q: Can EN-DC work with other technologies like Wi-Fi and Bluetooth?

• A: Yes, EN-DC can work in conjunction with other wireless technologies like Wi-Fi and Bluetooth, allowing for seamless connectivity across different networks and devices.

Q: What are the different deployment models for 5G architecture?

• A: The different deployment models for 5G architecture include non-standalone (NSA) and standalone (SA) modes. NSA mode uses existing 4G LTE networks for certain functions, while SA mode is a completely independent 5G network.

Q: What is the role of network slicing in 5G architecture?

• A: Network slicing is a key feature of 5G architecture that allows network operators to divide the network into virtualized slices, each with its own unique characteristics and capabilities. This allows operators to tailor the network to specific use cases and applications.

Q: What is the role of edge computing in 5G architecture?

• A: Edge computing is a key feature of 5G architecture that enables data processing and storage to occur closer to the end user, reducing latency and improving overall network performance.

[OverGeek]

Let’s build together the biggest list of 5G interview questions. Please comment below if you have more information to add about an answer, or even suggest a new question.

1. What is 5G technology?

• 5G technology is the fifth generation of cellular networks, designed to provide faster speeds, lower latency, increased capacity, and support for a massive number of connected devices compared to previous generations.

2. What are the key differences between 4G and 5G?

• Some key differences between 4G and 5G include higher data rates, lower latency, increased network capacity, improved energy efficiency, and support for a wide range of use cases.

3. What frequency bands are used in 5G networks?

• 5G utilizes a variety of frequency bands, including low-band (sub-1 GHz), mid-band (1–6 GHz), and high-band (millimeter-wave) frequencies, each offering different advantages in terms of coverage and data speeds.

4. How does 5G achieve higher data rates compared to previous generations?

• 5G achieves higher data rates through the use of advanced technologies like wider bandwidths, more efficient modulation schemes, massive MIMO, and beamforming.

5. What is beamforming in 5G?

• Beamforming is a technique used in 5G networks to focus radio signals in specific directions, increasing signal strength, improving coverage, and enhancing network capacity.

6. What is Massive MIMO, and how does it benefit 5G?

• Massive MIMO (Multiple-Input Multiple-Output) is a technology that uses a large number of antennas at the base station to transmit and receive multiple data streams simultaneously. It improves spectral efficiency, network capacity, and overall performance in 5G networks.

7. How does 5G address the issue of latency?

• 5G networks reduce latency through techniques like edge computing, network slicing, and optimized protocols, enabling faster response times for applications that require real-time interactivity.

8. What is network slicing in 5G?

• Network slicing allows the partitioning of a single physical network into multiple virtual networks, each customized to meet the specific requirements of different use cases, ensuring efficient resource allocation and network optimization.

9. How does 5G support massive IoT deployments?

• 5G provides enhanced support for massive Internet of Things (IoT) deployments by offering low-power, low-cost, and wide-area coverage for a massive number of connected devices, enabling diverse IoT applications and use cases.

10. What challenges or limitations does 5G face in its implementation?

• Some challenges in implementing 5G include the need for extensive infrastructure upgrades, spectrum availability and allocation, regulatory considerations, and ensuring seamless interoperability with existing networks and technologies.

11. What is the role of small cells in 5G networks?

• Small cells are low-power, short-range base stations that enhance network coverage and capacity in dense urban areas. They play a crucial role in improving network performance and delivering consistent 5G experiences.

12. What is the role of software-defined networking (SDN) and network functions virtualization (NFV) in 5G?

• SDN and NFV play a significant role in 5G by enabling network virtualization, dynamic resource allocation, and flexible network management, leading to increased scalability, agility, and cost-efficiency.

13. How does 5G improve energy efficiency compared to previous generations?

• 5G networks incorporate energy-saving features, intelligent power management, and advanced sleep modes for network equipment, reducing energy consumption and promoting sustainability.

14. What is the role of cloud computing in 5G?

• Cloud computing plays a vital role in 5G by providing scalable computing resources, enabling edge computing capabilities, and facilitating the deployment of virtualized network functions, resulting in improved performance and service delivery.

15. How does 5G support ultra-reliable and low-latency communications (URLLC)?

• 5G introduces features like time-sensitive networking, redundant transmission paths, and network slicing to support ultra-reliable and low-latency communications, which are critical for applications like autonomous vehicles and industrial automation.

16. What are the different deployment scenarios for 5G networks?

• For 5G, deployment options include standalone (SA) and non-standalone (NSA). The differences come down to cost, complexity, and overall performance. 5G NSA uses a 4G LTE Control Plane to manage connectivity authorization. 5G SA uses a 5G CORE to manage connectivity and user athentication.
  Deployment scenarios are defined by functional splits (i.e. Split Option 3, Split Option 7 etc.) that defines the distribution of network functions and processing tasks between different network elements. It allows for a gradual transition from 4G to 5G while leveraging the existing infrastructure.

17. How does 5G handle mobility and handovers between different network cells?

• 5G incorporates advanced handover techniques like dual-connectivity and fast handover algorithms to ensure seamless mobility between network cells and provide uninterrupted connectivity to mobile devices.

18. What is the role of edge computing in 5G networks?

• Edge computing in 5G brings computational resources closer to the network edge, reducing latency and enabling real-time processing for applications that require immediate response times, such as IoT, augmented reality, and autonomous vehicles.

19. What are the challenges and opportunities of implementing millimeter-wave frequencies in 5G?

• Millimeter-wave frequencies offer high data rates in 5G, but they face challenges like limited coverage, susceptibility to interference, and higher signal attenuation. However, they also open up opportunities for new applications and use cases, particularly in dense urban environments.

20. How does 5G facilitate network densification?

• 5G facilitates network densification by deploying a higher number of smaller cells in close proximity, ensuring better coverage, increased capacity, and improved user experiences, especially in densely populated areas.

21. What is the role of network automation in 5G?

• Network automation plays a significant role in 5G by enabling efficient management, configuration, and orchestration of network resources, reducing manual intervention, and ensuring the dynamic allocation of network services.

22. What is dynamic spectrum sharing (DSS) in 5G?

• Dynamic spectrum sharing allows 5G to coexist with existing 4G networks by dynamically allocating spectrum resources based on demand, maximizing spectrum efficiency, and facilitating a smooth transition to 5G.

23. How does 5G address network slicing security concerns?

• 5G incorporates secure network slicing techniques, including isolation mechanisms, encryption, and access control, to ensure the security and privacy of each network slice and prevent unauthorized access or data leakage.

24. How does 5G address the issue of network congestion?

• 5G employs advanced congestion control mechanisms, traffic management techniques, and dynamic spectrum allocation to mitigate network congestion and ensure smooth and reliable service delivery, even in high-demand scenarios.

25. What is the role of millimeter-wave antennas in 5G networks?

• Millimeter-wave antennas are used in 5G networks to transmit and receive signals at high frequencies, enabling higher data rates and increased capacity. These antennas are often deployed in small cells and require line-of-sight connections.

26. What is the core network in 5G?

• The core network in 5G is responsible for handling the control and management functions of the network, including authentication, billing, mobility management, and connection to external networks.

27. What are the key components of the 5G core network?

• The key components of the 5G core network include the Access and Mobility Management Function (AMF), Session Management Function (SMF), User Plane Function (UPF), and Network Slice Selection Function (NSSF).

28. What is the concept behind non-standalone (NSA) 5G deployments?

• NSA 5G deployments leverage existing 4G infrastructure to provide initial 5G services. They rely on 4G core networks while utilizing 5G radio access networks for enhanced data rates and capacity.

29. What are the key characteristics of NSA 5G deployments?

• NSA deployments enable faster time-to-market for 5G by reusing 4G infrastructure. They offer improved data rates and latency compared to 4G but do not fully exploit the capabilities of a standalone 5G network.

30. What differentiates standalone (SA) 5G deployments from NSA deployments?

• SA 5G deployments have their own independent core network, which is fully optimized for 5G services. They provide enhanced performance, ultra-low latency, and support for advanced 5G features like network slicing and edge computing.

31. How does the architecture differ between NSA and SA 5G deployments?

• In NSA deployments, the 5G radio access network connects to the existing 4G core network, while in SA deployments, both the radio access network and the core network are built specifically for 5G.

32. What advantages does SA 5G offer over NSA deployments?

• SA 5G deployments unlock the full potential of 5G by delivering improved performance, reduced latency, and advanced features like network slicing and edge computing. They provide a more future-proof solution.

33. What are the implications of SA 5G deployments for network operators?

• SA deployments require network operators to invest in building a standalone 5G core network. However, this investment enables them to fully harness the benefits of 5G and offer a wider range of innovative services.

34. Which deployment option is recommended for long-term 5G planning?

• Standalone (SA) 5G deployments are recommended for long-term planning as they provide a more robust and scalable solution, supporting the full suite of 5G capabilities and enabling future network evolution.

35. Can NSA and SA 5G deployments coexist in the same network?

• Yes, NSA and SA 5G deployments can coexist within the same network. Network operators can gradually transition from NSA to SA as they upgrade their infrastructure and migrate to full standalone capabilities.

36. How does the transition from NSA to SA 5G occur?

• The transition from NSA to SA 5G involves gradually upgrading the core network to a standalone architecture while maintaining compatibility with existing 5G radio access networks.

37. What are the expected benefits of transitioning from NSA to SA 5G deployments?

• Transitioning to SA 5G deployments allows network operators to offer a more comprehensive range of 5G services, deliver superior performance, and fully leverage the transformative potential of 5G technology.

38. What is the air interface in 5G?

• The air interface in 5G refers to the wireless communication link between the user equipment (UE) and the base station (gNB) through which data and control information are transmitted.

39. What are the key advancements in the air interface of 5G compared to previous generations?

• The air interface in 5G introduces new technologies such as massive MIMO, beamforming, and higher frequency bands (mmWave). It enables higher data rates, improved capacity, and lower latency.

40. How does the air interface in 5G facilitate higher data rates?

• The air interface in 5G achieves higher data rates through wider bandwidth utilization, higher-order modulation schemes, and more efficient coding and decoding techniques.

41. What is massive MIMO and how does it enhance the air interface in 5G?

• Massive MIMO (Multiple-Input Multiple-Output) is a technology that uses a large number of antennas at the base station to increase capacity and improve spectral efficiency in the air interface.

42. How does beamforming contribute to the air interface in 5G?

• Beamforming allows the focused transmission of signals in a specific direction, enhancing the signal strength and quality at the UE and improving overall coverage and capacity in the air interface.

43. What are the advantages of using higher frequency bands, such as mmWave, in the air interface of 5G?

• Higher frequency bands offer wider bandwidth and allow for the transmission of larger amounts of data, enabling higher data rates and increased network capacity in the air interface.

44. How does the air interface in 5G address latency requirements?

• 5G air interface technologies, such as shorter transmission time intervals (TTIs) and improved protocol efficiency, help reduce latency and enable real-time applications with stringent latency requirements.

45. What role does Orthogonal Frequency Division Multiplexing (OFDM) play in the air interface of 5G?

• OFDM is a key modulation technique used in the air interface of 5G. It divides the available frequency spectrum into multiple subcarriers, allowing for efficient transmission and reception of data.

46. How does the air interface in 5G handle interference and improve spectral efficiency?

• Advanced interference management techniques, such as interference cancellation, dynamic scheduling, and advanced receiver algorithms, are employed in the air interface to mitigate interference and improve spectral efficiency.

47. What are the challenges associated with implementing the air interface in higher frequency bands?

• Higher frequency bands face challenges such as increased path loss, susceptibility to blockage, and limited coverage. Adaptive beamforming and advanced antenna technologies are used to overcome these challenges.

48. Describe the overall structure of the 5G interface.

• The overall structure of the 5G interface consists of the user plane, control plane, and management plane. The user plane handles data transmission, the control plane manages signaling and control information, and the management plane oversees network management and administration.

49. What are the key components of the user plane in the 5G interface?

• The user plane consists of the radio interface, transport network, and core network. It handles the transmission of user data between the UE and the target destination.

50. How is the control plane structured in the 5G interface?

• The control plane comprises control functions and protocols responsible for signaling, session management, mobility management, and connection establishment between the UE and the network.

51. What is the role of the management plane in the 5G interface?

• The management plane encompasses functions and protocols related to network management, including configuration, performance monitoring, fault management, and security management.

52. How does the 5G interface support network slicing?

• The 5G interface incorporates network slicing capabilities, allowing the partitioning of the network into multiple logical networks with different performance characteristics, catering to diverse service requirements.

53. What protocols are used in the air interface of 5G?

• The air interface in 5G uses protocols such as the Radio Resource Control (RRC) protocol, Packet Data Convergence Protocol (PDCP), Radio Link Control (RLC), and Medium Access Control (MAC) protocol.

54. How is the air interface in 5G designed to support backward compatibility with previous generations?

• The air interface in 5G is designed to support backward compatibility through the Non-Standalone (NSA) deployment option, which allows coexistence and interworking with existing 4G infrastructure.

55. What are the considerations for security in the 5G air interface?

• The 5G air interface incorporates security measures such as secure key exchange, encryption algorithms, authentication protocols, and integrity protection mechanisms to ensure the confidentiality and integrity of data.

56. How does the air interface in 5G enable better mobility management?

• The air interface in 5G introduces improved mobility management techniques, such as dual connectivity and fast handovers, to provide seamless mobility support for users moving across different cells and network areas.

57. What advancements in Quality of Service (QoS) management are introduced in the air interface of 5G?

• The air interface in 5G introduces advanced QoS management mechanisms, including dynamic QoS allocation, traffic prioritization, and policy-based resource allocation, to ensure optimal service performance and user experience.

58. How does the air interface in 5G handle heterogeneous network environments?

• The air interface in 5G employs advanced network coordination techniques, such as coordinated multipoint (CoMP) transmission and reception, to handle heterogeneous network environments and improve overall network performance.

59. What are the benefits of multi-connectivity in the air interface of 5G?

• Multi-connectivity enables simultaneous connections to multiple base stations, allowing for enhanced coverage, improved data rates, and seamless handovers in the air interface of 5G.

60. How does the air interface in 5G handle interference mitigation?

• The air interface in 5G incorporates interference mitigation techniques like interference cancellation, power control, and adaptive beamforming to minimize interference and enhance overall network performance.

61. What are the considerations for energy efficiency in the air interface of 5G?

• The air interface in 5G focuses on energy-efficient design principles, including advanced power-saving mechanisms, dynamic resource allocation, and optimized signaling procedures to minimize energy consumption.

62. How does the air interface in 5G support ultra-reliable and low-latency communication (URLLC) requirements?

• The air interface in 5G introduces features such as short TTI, advanced error correction coding, and redundant transmission schemes to achieve ultra-reliable and low-latency communication for critical applications.

63. How does the air interface in 5G address the challenges of massive IoT connectivity?

• The air interface in 5G includes features like narrowband IoT (NB-IoT) and enhanced machine-type communication (eMTC) to enable massive connectivity for IoT devices with optimized power consumption and coverage.

64. What are the considerations for privacy protection in the air interface of 5G?

• The air interface in 5G incorporates privacy protection measures, including secure authentication, user identity confidentiality, and encryption, to safeguard user data and privacy.

65. How does the air interface in 5G support network virtualization and network slicing?

• The air interface in 5G supports network virtualization by providing virtualized radio resources and enabling the dynamic creation and management of network slices with different service characteristics.

66. How does the air interface in 5G handle mobility challenges at high speeds, such as in high-speed trains or vehicles?

• The air interface in 5G implements advanced beam management techniques, faster handovers, and dynamic resource allocation to ensure seamless connectivity and maintain high-quality communication at high speeds.

67. What are the considerations for interoperability and roaming in the air interface of 5G?

• The air interface in 5G takes into account interoperability and roaming standards, protocols, and mechanisms to enable seamless communication and mobility across different operators and networks.

68. What factors can impact the accuracy of ARFCN (Absolute Radio Frequency Channel Number) calculation in 5G NR?

• Several factors can influence ARFCN calculation accuracy, such as frequency band allocation, channel spacing variations, and carrier frequency selection based on regional regulatory requirements.

69. How does the presence of adjacent channel interference affect ARFCN calculation?

• Adjacent channel interference can impact ARFCN calculation by introducing signal distortions and reducing the quality of communication. Proper consideration of adjacent channel interference is crucial for accurate ARFCN calculation.

70. Can you explain the concept of carrier aggregation and its relation to ARFCN calculation?

• Carrier aggregation involves combining multiple carriers to increase bandwidth and overall data rates. ARFCN calculation is necessary to ensure the proper assignment of carriers and to manage carrier aggregation efficiently in 5G NR.

71. How does the use of different channel spacing options affect ARFCN calculation?

• Different channel spacing options, such as 15 kHz and 30 kHz, affect the number of available channels within a specific frequency band. ARFCN calculation must consider the chosen channel spacing for accurate frequency allocation.

72. What challenges arise when dealing with ARFCN calculation in mmWave frequency bands?

• ARFCN calculation in mmWave bands presents challenges due to wider bandwidths, higher frequencies, and more complex propagation characteristics. Accurate estimation of ARFCN becomes crucial for efficient mmWave deployment.

73. How does ARFCN calculation differ between non-standalone (NSA) and standalone (SA) 5G deployments?

• ARFCN calculation in NSA and SA deployments follows similar principles, but the specific frequency bands and carrier aggregation configurations may vary. Both deployments require accurate ARFCN calculation for effective spectrum utilization.

74. What techniques or algorithms can be employed to optimize ARFCN allocation in dense urban environments?

• Techniques such as dynamic spectrum sharing, interference mitigation, and intelligent channel assignment algorithms can be used to optimize ARFCN allocation in dense urban areas, ensuring efficient utilization of limited frequency resources.

75. How does ARFCN calculation impact handover procedures in 5G networks?

• Accurate ARFCN calculation is crucial for seamless handover between cells or base stations. It ensures uninterrupted communication and avoids disruptions during mobility scenarios.

76. What measures can be taken to mitigate interference caused by ARFCN miscalculation?

• To mitigate interference resulting from ARFCN miscalculation, techniques such as interference coordination, power control mechanisms, and adaptive modulation and coding schemes can be employed to improve overall system performance.

77. How does ARFCN calculation impact network planning and optimization in 5G NR?

• ARFCN calculation plays a significant role in network planning and optimization by ensuring efficient frequency allocation, interference management, and proper utilization of available spectrum resources. Accurate ARFCN calculation contributes to the overall performance and capacity of the 5G network.

78. What is 5G cell bandwidth, and why is it important in 5G networks?

• 5G cell bandwidth refers to the range of frequencies allocated to a 5G cell for communication. It is crucial in 5G networks as it determines the amount of spectrum available for transmitting data, which directly impacts network capacity, data rates, and overall performance.

79. How does the concept of channel bandwidth differ from cell bandwidth in 5G?

• Channel bandwidth refers to the amount of frequency spectrum allocated to an individual channel within a cell, while cell bandwidth represents the aggregate bandwidth available for all channels within a cell. Cell bandwidth encompasses multiple channels and is typically wider than individual channel bandwidth.

80. What are the common cell bandwidth options in 5G networks?

• Common cell bandwidth options in 5G networks include 5 MHz, 10 MHz, 20 MHz, 40 MHz, 80 MHz, and 100 MHz. The choice of cell bandwidth depends on factors such as available spectrum, network requirements, and deployment scenarios.

81. How does the selection of cell bandwidth impact data transmission rates in 5G?

• The selection of cell bandwidth directly affects data transmission rates in 5G. Wider cell bandwidth allows for higher data rates and increased capacity, enabling the network to support more simultaneous users and deliver faster download and upload speeds.

82. What challenges arise when deploying wider cell bandwidths in 5G networks?

• Deploying wider cell bandwidths in 5G networks can present challenges such as the availability of contiguous spectrum, interference management, and the need for advanced signal processing techniques to ensure efficient spectrum utilization and mitigate interference.

83. How does cell bandwidth impact the coverage range of a 5G cell?

• The cell bandwidth has an impact on the coverage range of a 5G cell. Wider cell bandwidths can provide better coverage range due to the availability of more frequency resources, allowing signals to propagate over greater distances.

84. What considerations should be taken into account when selecting the appropriate cell bandwidth for a specific 5G deployment?

• When selecting the appropriate cell bandwidth for a 5G deployment, factors such as available spectrum, network capacity requirements, interference levels, and compatibility with existing infrastructure need to be considered to ensure optimal network performance.

85. How does the concept of carrier aggregation relate to cell bandwidth in 5G?

• Carrier aggregation enables the combination of multiple carriers or cell bandwidths to increase overall bandwidth and data rates. It allows for more efficient spectrum utilization and enhances the capacity and performance of 5G networks.

86. What are the challenges of deploying millimeter-wave frequencies in 5G?

• Deploying millimeter-wave frequencies in 5G networks faces challenges such as limited coverage area, signal blockage due to obstacles, and higher susceptibility to atmospheric conditions.

87. What is the role of small cells in 5G deployment?

• Small cells are compact base stations that are deployed in densely populated areas to enhance network capacity, improve coverage, and provide better signal quality in 5G networks.

88. How does 5G handle handovers between different cells?

• 5G utilizes advanced handover mechanisms, such as Dual Connectivity (DC) and Multi-connectivity, to ensure seamless handovers between different cells while maintaining a continuous connection.

89. What is network densification in 5G?

• Network densification refers to the deployment of a higher number of base stations, such as small cells and distributed antenna systems, to increase network capacity and improve coverage in 5G.

90. How does 5G address the issue of interference between neighboring cells?

• 5G uses advanced interference management techniques, including beamforming, power control, and advanced algorithms, to mitigate interference between neighboring cells and improve overall network performance.

91. What is the role of virtualization in 5G networks?

• Virtualization in 5G allows for the virtualization of network functions and resources, enabling flexible network management, scalability, and efficient resource utilization.

92. How does 5G enable network slicing in the air interface?

• 5G supports network slicing in the air interface through the allocation of specific radio resources, such as bandwidth, modulation schemes, and coding schemes, to each network slice.

93. What is the role of Quality of Service (QoS) in 5G deployment?

• QoS in 5G ensures that different applications and services receive the required level of performance, such as latency, throughput, and reliability, based on their specific requirements.

94. How does 5G handle mobility management for fast-moving devices?

• 5G employs advanced mobility management techniques, including fast handovers, predictive handovers, and seamless cell reselection, to ensure uninterrupted connectivity for fast-moving devices.

95. What are the challenges of 5G deployment in rural areas?

• Deploying 5G in rural areas faces challenges such as limited infrastructure, higher deployment costs, and the need for extensive coverage, especially in sparsely populated regions.

96. How does 5G handle backward compatibility with previous generations of cellular networks?

• 5G ensures backward compatibility by supporting interworking and coexistence with existing 4G and 3G networks, allowing seamless connectivity and smooth transitions for users.

97. What are the security considerations in 5G deployment?

• 5G deployment requires robust security measures, including encryption, authentication, access control, and secure network slicing, to protect against potential threats and ensure the integrity of network communications.

98. How does 5G address energy efficiency in network deployment?

• 5G incorporates energy-efficient technologies, such as sleep modes, dynamic power control, and energy-aware resource management, to optimize energy consumption and improve overall network efficiency.

99. What is the role of beam management in 5G mmWave deployment?

• Beam management in 5G mmWave deployment enables the beamforming and tracking of radio signals to overcome the high path loss and signal blockage associated with mmWave frequencies, improving coverage and signal quality.

100. How does 5G handle interference management in dense urban deployments?

• 5G employs advanced interference management techniques, such as interference coordination, beamforming, and advanced antenna systems, to mitigate interference in dense urban environments and improve network performance.