Li Zhen

TL;DR: Simulation results and complexity analysis validate the effectiveness of the new preamble and reveal that the proposed timing detection can achieve the robustness to CFO and offer outstanding performance improvements especially in multi-user scenarios while having a notably reduced computational complexity.

TL;DR: Simulation results demonstrate that the proposed enhanced spatial group-based RA scheme offers an outstanding detection performance improvement, and can accommodate a significantly larger number of M2M devices while having a notably reduced collision probability and access delay, in comparison with the conventional one.

TL;DR: This paper investigates a secure wireless-powered sensor network (WPSN) with the aid of a cooperative jammer (CJ) and proposes a global optimal solution which employs the semidefinite programming (SDP) relaxation.

TL;DR: In this article , an opportunistic capacity based resource allocation method for network slicing contained 6G wireless communication networks with uncertain shared spectrum is proposed, where a 4D conflict graph model is constructed to describe the conflict relationship in the process of resource allocation.

TL;DR: A robust threshold-based timing detection method independent of the preamble structure based on the autocorrelation and cross-correlation with an extended correlation length is proposed to mitigate noise and resist large carrier frequency offsets.