BICM-OFDM System with Power Allocation and Bit Loading

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Provided by: International Journal of Latest Trends in Engineering and Technology (IJLTET)
Topic: Networking
Format: PDF
The OFDM has many advantages such as high bandwidth efficiency, robustness to the selective fading problem, use of small guard interval, and its ability to combat the ISI problem. But in an OFDM system, the information is converted to N parallel sub channels and sent at lower rates. The combination of Bit-Interleaved Coded Modulation (BICM) with Orthogonal Frequency Division Multiplexing (OFDM) provides a low-complexity nearly optimal performance approach to the broadband transmission in multipath scenarios. This paper deals with transmission schemes for BICM-OFDM system.
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