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Questions and Answers
What type of media access control (MAC) layer mechanism does WiMAX use for data exchange?
What feature of WiMAX allows better utilization of radio resources, especially with smart antennas?
How does WiMAX simplify the support of real-time and voice applications?
Which security protocol is used by WiMAX for user authentication?
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What encryption standards are used by WiMAX for data encryption?
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What is the minimum channel bandwidth required for WiMAX usage?
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What is one advantage of WiMAX technology mentioned in the text?
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Where does WiMAX technology aim to bridge the digital divide?
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What is IEEE 802.16a/REVd/e commonly referred to as?
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Which statement is true about WiMAX's coverage capabilities?
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What is a key feature of WiMAX technology for mobility?
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Why is WiMAX considered a substitute for copper in some areas?
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What is the data rate offered by WiMAX technology per base station?
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In terms of range, how far can WiMAX technology typically reach?
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What type of terminals can WiMAX technology provide high-speed data services to?
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Compared to 3G technology, what advantage does WiMAX offer in terms of cost and performance?
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Which organization has been serving enterprises and operators with Broadband Wireless Access (BWA) for years?
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Study Notes
WiMAX Overview
- Utilizes a Time Division Multiple Access (TDMA) mechanism for data exchange in the MAC layer.
- Incorporates smart antennas, enhancing radio resource utilization through techniques like beamforming.
Real-time Application Support
- Simplifies support for real-time and voice applications by allowing low-latency delivery via Quality of Service (QoS) features.
Security Features
- Employs the IEEE 802.16e standard for user authentication, ensuring secure access for users.
- Implements Advanced Encryption Standard (AES) for robust data encryption, safeguarding transmitted data.
Technical Specifications
- Requires a minimum channel bandwidth of 1.25 MHz for operational efficiency.
- Offers data rates up to 70 Mbps per base station, depending on network conditions and configurations.
Advancements and Advantages
- An advantage of WiMAX technology is its capability to provide broadband wireless access, reaching underserved areas.
- Aims to bridge the digital divide by extending internet connectivity to rural and remote regions, promoting equality in access.
Coverage and Capabilities
- Generally, WiMAX can cover distances of up to 30 miles (48 km) in optimal conditions, significantly exceeding typical Wi-Fi ranges.
- Provides high-speed data services to various terminal types, including mobile devices and fixed wireless terminals.
Cost and Performance
- Compared to 3G technology, WiMAX presents advantages in cost-efficiency and performance, offering better scalability and higher data rates.
Organizational Context
- The WiMAX Forum has long supported enterprises and operators in providing Broadband Wireless Access (BWA) solutions.
- IEEE 802.16a/REVd/e is commonly referred to as the "WiMAX."
Mobility and Flexibility
- Key feature of WiMAX technology includes seamless mobility, allowing users to maintain connectivity while in motion.
- Positioned as a viable substitute for copper infrastructure in areas lacking traditional broadband access.
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Description
Learn about the features of WiMAX technology, including the grant-request mechanism at the MAC layer, efficient radio resource utilization with smart antennas, and support for real-time applications. Explore how WiMAX offers more flexibility and security compared to WLAN.
