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.markbroyard.com/deal-time-caruso-s-rhodiola-tabs-50-discount-super-buy/