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Towards Smart and Reconfigurable Environment: Intelligent Reflecting Surface Aided Wireless Network

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Wu, Qingqing, Zhang, Rui·2020·IEEE Communications Magazine

Abstract

IRS is a new and revolutionizing technology that is able to significantly improve the performance of wireless communication networks, by smartly reconfiguring the wireless propagation environment with the use of massive low-cost passive reflecting elements integrated on a planar surface. Specifically, different elements of an IRS can independently reflect the incident signal by controlling its amplitude and/or phase and thereby collaboratively achieve fine-grained 3D passive beamforming for directional signal enhancement or nulling. In this article, we first provide an overview of the IRS technology, including its main applications in wireless communication, competitive advantages over existing technologies, hardware architecture as well as the corresponding new signal model. We then address the key challenges in designing and implementing the new IRS-aided hybrid (with both active and passive components) wireless network, as compared to the traditional network comprising active components only. Finally, numerical results are provided to show the great performance enhancement with the use of IRS in typical wireless networks.

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Metadata

Authors
Wu, Q., & Zhang, R.
Venue
IEEE Communications Magazine
Published
2020-01
Volume
58
Issue
1
Pages
106-112
ISSN
  • 0163-6804 (ISSN-L)
  • 1558-1896
OpenAlex
W2990747873
Cited by
4,308
References
1
FWCI
155.79
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Towards Smart and Reconfigurable Environment: Intelligent Reflecting Surface Aided Wireless Network. https://app.cochat.ai/papers/10.1109/mcom.001.1900107
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Wu, Q., & Zhang, R. (2020). Towards Smart and Reconfigurable Environment: Intelligent Reflecting Surface Aided Wireless Network. IEEE Communications Magazine. https://doi.org/10.1109/mcom.001.1900107

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