Performance Improvement Using Adaptive Spatial Modulation

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Provided by: International Publisher for Advanced Scientific Journals (IPASJ)
Topic: Hardware
Format: PDF
Adaptive Spatial Modulation (ASM) is a transmission scheme proposed to achieve better system performance. Here, the modulation orders are assigned to the transmit antennas which are dynamically adapted to the changing channel conditions. As the channel slowly varies the adaptive unit at the receiver computes the optimum candidate and sends that information to the transmitter through a low-bandwidth feedback path. This requires high computational complexity and feedback load. To reduce this complexity and improve the channel performance Candidate Reduction method is used.
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