ITT640 Wireless Networks UITM Assignment Answer Malaysia

ITT640 Wireless Networks is a comprehensive course that explores the fundamental concepts, current and emerging technologies, standards, and protocols related to Wireless Networks. It covers various topics such as Wireless Transmission Fundamentals, Wireless Medium Access Control, WPAN (Wireless Personal Area Network), WLAN (Wireless Local Area Network), WWAN (Wireless Wide Area Network), Satellite Communications, and WLAN Deployment.

By the end of the ITT640 Wireless Networks course, students will be equipped with the necessary expertise to analyze, design, and optimize wireless networks. We will be prepared to navigate the dynamic landscape of wireless communication technologies and contribute to the advancement of wireless networks in various industries.

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Assignment Activity 1: Describe the fundamental concept, technologies, standards, and protocols, related to Wireless Networks.

Wireless networks refer to the communication systems that enable the transfer of data and information without the need for physical wired connections. They have become an integral part of our daily lives, providing us with the convenience of mobility and flexibility. Let’s explore the fundamental concepts, technologies, standards, and protocols related to wireless networks.

Fundamental Concept:

• Wireless Transmission: Instead of using physical cables, wireless networks utilize electromagnetic waves to transmit data over the air.
• Radio Frequency (RF): Wireless devices communicate using specific radio frequencies, which determine their range, bandwidth, and performance.
• Network Topology: Wireless networks can be configured in different topologies, such as point-to-point, point-to-multipoint, and mesh networks.

Technologies:

• Wi-Fi (Wireless Fidelity): Wi-Fi is a technology that allows devices to connect to a wireless local area network (WLAN). It operates on the IEEE 802.11 standard.
• Cellular Networks: Cellular technology enables wireless communication over large areas by dividing them into cells served by base stations. It includes standards like 2G, 3G, 4G, and now 5G.
• Bluetooth: Bluetooth is a short-range wireless technology commonly used for connecting devices like smartphones, headsets, and speakers.
• Zigbee: Zigbee is a low-power wireless technology designed for applications that require low data rates and long battery life, such as home automation and industrial control systems.

Standards:

• IEEE 802.11: This standard governs Wi-Fi networks and defines specifications for wireless communication in various frequency bands, including 2.4 GHz and 5 GHz.
• IEEE 802.15: This standard covers wireless personal area networks (WPANs), including Bluetooth and Zigbee.
• GSM (Global System for Mobile Communications): GSM is a standard for cellular networks, widely used for 2G communication.
• LTE (Long-Term Evolution): LTE is a standard for 4G wireless communication, providing high data rates and low latency.

Protocols:

• TCP/IP (Transmission Control Protocol/Internet Protocol): TCP/IP is the foundation of the internet and supports data transmission across networks, including wireless networks.
• DHCP (Dynamic Host Configuration Protocol): DHCP is used to automatically assign IP addresses to devices on a network.
• DNS (Domain Name System): DNS translates domain names into IP addresses, enabling devices to locate resources on the internet.
• WPA/WPA2 (Wi-Fi Protected Access): These security protocols provide authentication and encryption for Wi-Fi networks.

Assignment Activity 2: Design a Wireless Local Area Network using appropriate methods and tools.

Designing a Wireless Local Area Network involves determining the network requirements, selecting appropriate equipment, and planning the network infrastructure. Here are the steps involved in designing a WLAN:

Determine Network Requirements:

• Identify the coverage area: Determine the physical area that needs wireless coverage.
• Determine the number of devices: Estimate the number of devices that will connect to the network.
• Analyze bandwidth requirements: Consider the data-intensive applications and services that will be used on the network.

Select Equipment:

• Wireless Access Points (WAPs): Choose access points that support the desired wireless standard (e.g., IEEE 802.11ac or 802.11ax) and have sufficient coverage and capacity.
• Network Switches: Select switches with enough ports to connect the access points and wired devices.
• Network Security: Choose appropriate security measures like WPA/WPA2 encryption and consider additional security solutions like firewalls and intrusion detection systems.
  

Plan Network Infrastructure:

• Determine access point locations: Strategically place access points to ensure proper coverage and minimize interference.
• Configure network channels: Assign non-overlapping channels to minimize interference between access points.
• Consider network scalability: Design the network to accommodate future growth in the number of devices and users.

Assignment Activity 3: Synthesize the simulation results of the designed Wireless Local Area Network.

To synthesize the simulation results of the designed WLAN, you can utilize various network simulation tools and analyze the performance metrics. Here are the steps to follow:

Network Simulation Tools:

• OPNET Modeler: A popular commercial network simulation tool that allows modeling and simulation of wireless networks.
• NS-3: An open-source network simulator widely used for research and educational purposes.
• Cisco Packet Tracer: A network simulation tool that provides a visual environment to design, configure, and simulate networks.

Simulation Process:

• Build the network model: Create a virtual representation of the designed WLAN using the simulation tool.
• Define simulation parameters: Set parameters such as traffic patterns, number of devices, and data rates.
• Run simulations: Execute the simulation scenarios to observe how the network performs under different conditions.
• Collect performance metrics: Capture metrics like throughput, latency, and packet loss during the simulation.
  

Analysis of Simulation Results:

• Evaluate network performance: Analyze the collected metrics to assess the network’s performance, identifying any bottlenecks or areas for improvement.
• Optimize network design: Based on the simulation results, fine-tune the network design by adjusting access point placements, channel allocations, or security settings.
• Validate network requirements: Compare the simulation results with the initial network requirements to ensure they are met.

By following these steps and utilizing appropriate simulation tools, you can synthesize and analyze the simulation results of the designed WLAN, allowing you to optimize the network design and validate its performance before deployment.

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