Tang Qiang

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Design an energy efficient routing protocol for wireless sensor network is a very important issue because of the constrained energy of sensor nodes. In this paper, an energy efficient routing protocol (VBT-EBHRP) is proposed. In this protocol, a virtual backbone tree is constructed and based on the virtual backbone tree, a routing tree is constructed. The(More)
Rough set axiomatization is one aspect of rough set study, and the purpose is to characterize rough set theory using independable and minimal axiom groups. Thus, rough set theory can be studied by logic and axiom system methods. The classical rough set theory is based on equivalent relation, but rough set theory based on generalized relation has been widely(More)
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