Abstract: This letter studies cross-layer physical (PHY) and medium access control (MAC) contention-based random access for uplink non-orthogonal multiple access assisted by slotted ALOHA (NOMA-ALOHA) ...
Abstract: A wideband 90° phase shifting element for application in the quadrature phase filtering power divider (QFPD) is presented in this letter. Instead of the complex calculation procedure of ...
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