This article presents an adaptive cross-layer solution for wireless networks. The main objective is to estimate the impact that different physical layer vari...

• Marcos Tomio Kakitani
• Anelise Munaretto
• Mauro Fonseca

SBrT 2010

Node deployment plays an important role in the design of wireless sensor networks (WSNs). Many important properties such as coverage, connectivity, data fi...

• Heitor S. Ramos
• Marcelo G. Almiron
• Alejandro C. Frery
• Eduardo F. Nakamura
• Antonio A. F. Loureiro

SBrT 2010

Let B be any finite commutative ring with identity. · · · ⊂ B[X; 1ak Z0] · · · ⊂ B[X; a12 Z0] ⊂ B[X; a1 Z0], where a ∈ {2, 3, 5, 7, · · ·}, k ≥ 1, is the des...

• Tariq Shah
• Atlas Khan
• Antonio Aparecido de Andrade

• Semigroup ring
• BCH code
• alternant code
• Goppa code
• Srivastava code

SBrT 2010

In the context of space-time block codes (STBCs), the theory of hyperbolic lattices over totally real number field is presented, as well as theoretic crit...

• Edson Donizete de Carvalho
• Antonio Aparecido de Andrade

SBrT 2010

Tomography is a non-invasive exam technique that provides a great amount of visual information of virtually inaccessible areas of the body. This paper anal...

• Arthur Barreto de Rangel Moreira Cavalcanti
• Rafael Dueire Lins
• Antonio Edsom Carvalho Filho

• Tomography
• Biomedical image processing
• Image analysis

SBrT 2010