Fast Phase Synchronization Algorithm Based on Bisection for Distributed Beamforming with One-Bit Feedback 


Vol. 42,  No. 11, pp. 2079-2085, Nov.  2017
10.7840/kics.2017.42.11.2079


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  Abstract

In this paper, we present synchronization algorithms for the distributed beamforming, in which the distributed nodes send a signal to a information-receiving base-station (BS). To transmit the signal effectively, the distributed nodes should adjust their transmit signals’ phase properly so that their signals are constructively added up at the data collector with a same phase. In the conventional scheme, to synchronize their phases, the nodes can update their phases based on the random perturbation based on one-bit feedback from BS, which incurs a long convergence time. In this paper, we propose a fast synchronization algorithm, where each node finds the optimal phase based on the bisection-based method. In addition, the proposed algorithm can be extended to arbitrary numbers of nodes. Using computer simulations, we verified and compared the performance of the proposed algorithm with the conventional phase synchronization algorithm.

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  Cite this article

[IEEE Style]

S. Lee, J. Lee, J. Park, "Fast Phase Synchronization Algorithm Based on Bisection for Distributed Beamforming with One-Bit Feedback," The Journal of Korean Institute of Communications and Information Sciences, vol. 42, no. 11, pp. 2079-2085, 2017. DOI: 10.7840/kics.2017.42.11.2079.

[ACM Style]

Sung-bok Lee, Jongheok Lee, and Jaehyun Park. 2017. Fast Phase Synchronization Algorithm Based on Bisection for Distributed Beamforming with One-Bit Feedback. The Journal of Korean Institute of Communications and Information Sciences, 42, 11, (2017), 2079-2085. DOI: 10.7840/kics.2017.42.11.2079.

[KICS Style]

Sung-bok Lee, Jongheok Lee, Jaehyun Park, "Fast Phase Synchronization Algorithm Based on Bisection for Distributed Beamforming with One-Bit Feedback," The Journal of Korean Institute of Communications and Information Sciences, vol. 42, no. 11, pp. 2079-2085, 11. 2017. (https://doi.org/10.7840/kics.2017.42.11.2079)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880