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Cited by 396

The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.

Analog Beamforming in MIMO Communications With Phase Shift Networks and Online Channel Estimation

Venkateswaran, Vijay, van der Veen, Alle-Jan·2010·IEEE Transactions on Signal Processing

Abstract

In multiple-input multiple-output (MIMO) systems, the use of many radio frequency (RF) and analog-to-digital converter (ADC) chains at the receiver is costly. Analog beamformers operating in the RF domain can reduce the number of antenna signals to a feasible number of baseband channels. Subsequently, digital beamforming is used to capture the desired user signal. In this paper, we consider the design of the analog and digital beamforming coefficients, for the case of narrowband signals. We aim to cancel interfering signals in the analog domain, thus minimizing the required ADC resolution. For a given resolution, we will propose the optimal analog beamformer to minimize the mean squared error between the desired user and its receiver estimate. Practical analog beamformers employ only a quantized number of phase shifts. For this case, we propose a design technique to successively approximate the desired overall beamformer by a linear combination of implementable analog beamformers. Finally, an online channel estimation technique is introduced to estimate the required statistics of the wireless channel on which the optimal beamformers are based.

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Metadata

Authors
Venkateswaran, V., & van der Veen, A.-J.
Venue
IEEE Transactions on Signal Processing
Published
2010-08
Volume
58
Issue
8
Pages
4131-4143
ISSN
  • 1053-587X (ISSN-L)
  • 1941-0476
OpenAlex
W2167956149
Cited by
396
References
13
FWCI
3.24
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Analog Beamforming in MIMO Communications With Phase Shift Networks and Online Channel Estimation. https://app.cochat.ai/papers/10.1109/tsp.2010.2048321
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Venkateswaran, V., & van der Veen, A.-J. (2010). Analog Beamforming in MIMO Communications With Phase Shift Networks and Online Channel Estimation. IEEE Transactions on Signal Processing. https://doi.org/10.1109/tsp.2010.2048321

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