Subcarrier Resource Allocation Based Cooperative OFDMA Systems with QPSK Modulation

Provided by: International Journal of Innovative Research in Science, Engineering and Technology (IJIRSET)
Topic: Enterprise Software
Format: PDF
Cooperation is the process of working together, opposite of working separately in competition. This paper proposes the cooperative multiuser OFDMA systems with subcarrier resource allocation technique. A particular subcarrier resource allocation approach about which this paper proposes is a method, based on nodes that transmit and receive on adjacent OFDM subcarriers simultaneously. They propose a transceiver structure to reduce the interference between transmitting subcarriers and receiving subcarriers. The transceiver structure includes QPSK (Quadrature Phase Shift Keying).

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