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- W3119255977 abstract "Compute-and-forward is a promising strategy to tackle interference and obtain high rates between the transmitting users in a wireless network. However, the quality of the wireless channels between the users substantially limits the achievable computation rate in such systems. In this paper, we introduce the idea of using intelligent reflecting surfaces (IRSs) to enhance the computing capability of the compute-and-forward systems. For this purpose, we consider a multiple access channel(MAC) where a number of users aim to send data to a base station (BS) in a wireless network, where the BS is interested in decoding a linear combination of the data from different users in the corresponding finite field. Considering the compute-and-forward framework, we show that through carefully designing the IRS parameters, such a scenario's computation rate can be significantly improved. More specifically, we formulate an optimization problem which aims to maximize the computation rate of the system through optimizing the IRS phase shift parameters. We then propose an alternating optimization (AO) approach to solve the formulated problem with low complexity. Finally, via various numerical results, we demonstrate the effectiveness of the IRS technology for enhancing the performance of the compute-and-forward systems, which indicates its great potential for future wireless networks with massive computation requirements, such as 6G." @default.
- W3119255977 created "2021-01-18" @default.
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- W3119255977 date "2021-01-14" @default.
- W3119255977 modified "2023-09-27" @default.
- W3119255977 title "Intelligent Reflecting Surfaces for Compute-and-Forward" @default.
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