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Receiver Designs for Variant Precoded Signed Space Modulation Techniques
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DOI：10.1109/JSYST.2021.3138945.png)
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Abstract
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Emerging wireless applications are increasingly seeking systems that can provide desirable performance properties with scale. Properties include better power consumption, cost, and error performance. As a result, advances in space modulation hardware thus far have introduced a variety of models attaining these various desirable properties. While many techniques focus on transmitter hardware, approaches involving precoding have emerged to simplify receiver hardware. As such, an existing family of hardware implementation models, referred to as receive space modulation techniques (RSMTs), exists offering different realization options. RSMTs essentially eliminate the need for a full RF receive chain for each antenna at the receiver. It follows that all RSMTs introduced to date achieve realizations through a single spatial dimension. However, a recently introduced transmitter-based technique called signed space modulation (SSM) adds a second spatial dimension that increases the spectral efficiency without the need for nonspatial symbols. In this article, novel hardware design models based on SSM are applied at the receiver by introducing precoding, adding more techniques to the family of RSMTs. The introduced models are compared in terms of cost, power, and computational complexity against receive quadrature space shift keying (RQSSK) that has shown the most favorable traits in past comparisons against other RSMTs.
Keywords:
Hardware
Receiving antennas
Transmitting antennas
Antennas
Precoding
Modulation
Voltage
Multiple-input-multiple-output (MIMO) hard-ware
precoding
receiver
space modulation techniques (SMTs)
spatial modulation
Journal
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2.4
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4.5K
Citations:
387
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Cited Papers
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A Survey on Spatial Modulation in Emerging Wireless Systems: Research Progresses and Applications
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