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Exploiting Cumulative Positive Feedback Information for One-Bit Feedback Synchronization Algorithm
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DOI：10.1109/TVT.2018.2798809.png)
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Abstract
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In this paper, a novel one-bit feedback algorithm by exploiting cumulative positive feedback information is proposed to achieve carrier phase alignment at the receiver for distributed transmit beamforming. The proposed synchronization algorithm speeds up the convergence process by introducing a mechanism to increase the perturbation size adaptively, especially in situation with sudden change. Moreover, the proposed algorithm has the ability to track time-varying channels without the knowledge of channel state information. In situation with time-varying channels, the proposed algorithm not only has better convergence speed, but also provides better steady performance by compared with the existing algorithms.
Keywords:
Distributed beamtbrming
feed back communication
one-bit feedback information
cumulative positive feedback
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