OFDMA Network using NS2 simulation | NS2 Projects with Source Code

Orthogonal frequency division multiplexing (OFDM) is a modulation method that divides a channel into multiple narrow orthogonal bands that are spaced so they don’t interfere with one another. http://ns2code.com/
Need for OFDMA networks:
• Excellent performance
• High flexibility
• Simple implementation
• deliver high data rate
• efficient sharing of limited resources
Concepts involved in OFDMA networks:
• Optimum resource allocation
• Scheduling
• multi cell distribution
• uplink resource allocation
• downlink resource allocation
• resource allocation for femto cells
• Self-Organizing Networks
• MIMO (Multi antenna systems for Multiple Input and Multiple Output)
• Channel estimation
• QoS
• Coding and modulation
• Resource management in cellular relay network
• Load balancing
• Multi cellular systems
• cognitive radio
relay-assisted communications

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