To improve the energy and information transmission efficiency of relay-based wireless powered communication network (WPCN). a two intelligent reflecting surface (IRS) assisted dual-hop relay wireless transmission scheme was proposed. In particular. IRS1 and IRS2 were deployed between the base station (BS) and hybrid relay node (HRN). https://www.countryscenesaddleryandpetsuppliers.shop/product-category/ladies-western-shirt/
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