Abstract | ||
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We address the issue of reducing the number of radio frequency (RF) chains in large/massive multiple input multiple output systems while retaining their detection performance. For this, we use a hybrid combining approach and formulate a signal to interference plus noise ratio (SINR) maximization problem. We argue that using an orthogonal basis of the channel matrix to maximize the numerator of the SINR is a worthwhile approach to pursue and use it to propose a quasi-orthogonal combining scheme. Simulation results show that the proposed scheme can provide a detection performance and sum rate close to that of a system utilizing a dedicated RF chain for each receive antenna with less number of RF chains and without increasing the overall computational complexity. |
Year | DOI | Venue |
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2017 | 10.1109/LWC.2016.2639509 | IEEE Wireless Commun. Letters |
Keywords | Field | DocType |
Radio frequency,MIMO,Receiving antennas,Bit error rate,Interference,Search problems,Signal to noise ratio | Topology,Mathematical optimization,Simulation,Signal-to-noise ratio,Orthogonal basis,MIMO,Radio frequency,Signal-to-interference-plus-noise ratio,Interference (wave propagation),Mathematics,Computational complexity theory,Bit error rate | Journal |
Volume | Issue | ISSN |
6 | 1 | 2162-2337 |
Citations | PageRank | References |
2 | 0.39 | 12 |
Authors | ||
2 |
Name | Order | Citations | PageRank |
---|---|---|---|
abhay kumar sah | 1 | 20 | 4.84 |
Ajit Kumar Chaturvedi | 2 | 63 | 11.37 |