Shigenobu Sasaki

TL;DR: An optimal switching policy that incorporates a-priori knowledge of the channel coefficients is proposed and solved by a mixed-integer linear programming formulation.

TL;DR: The proposed technique is extended to scenarios with multi-user interference, where a zero-forcing receiver is used at the relay node and closed-forms expressions for the outage probability are derived.

TL;DR: A mobile sink-based adaptive immune energy-efficient clustering protocol (MSIEEP) that improves the lifetime, the stability, and the instability periods over the previous protocols, because it always selects CHs from high-energy nodes.

TL;DR: This paper focuses on reviewing some of the recently hierarchical-based routing protocols that are developed in the last five years for MWSNs and presents a detailed classification of the reviewed protocols according to the routing approach, control manner, mobile element, mobility pattern, network architecture, clustering attributes, protocol operation, path establishment, communication paradigm, energy model, protocol objectives, and applications.

TL;DR: A Centralized Immune-Voronoi deployment Algorithm (CIVA) to maximize the coverage based on both binary and probabilistic models to improve the lifetime and the coverage of MWSN is proposed.