Báo cáo hóa học: " Research Article NAF, OAF, or Noncooperation: Which Protocol to Choose?" docx

... 2008, Article ID 546470, 7 pages doi:10.1155/2008/546470 Research Article NAF, OAF, or Noncooperation: Which Protocol to Choose? Ahmed Saadani and Olivier Traor ´ e France Telecom Division of Research ... performance is to make a power allocation. The adaptive power allocation for wireless net- works has been mainly addressed for orthogonal protocols. In [5–9], the ODF...

Ngày tải lên: 22/06/2014, 19:20

... Publishing Corporation EURASIP Journal on Advances in Signal Processing Volume 2008, Article ID 546470, 7 pages doi:10.1155/2008/546470 Research Article NAF, OAF, or Noncooperation: Which Protocol to ... This selection leads to a short-term cooperation protocol choice which could be NAF, OAF, or direct transmission. 4. PROTOCOL SELECTION Resolving the formula...

Ngày tải lên: 22/06/2014, 06:20

... point for the operator by the iterative method. The concept of u 0 -concave operators was defined by Krasnosel’ski ˘ ı as follows. Let operator A : P → P and u 0 >θ. Suppose that i for any ... N   y   , 2.27 then P is said to be normal, and the smallest N is called the normal constant of P see 3–5. Theorem 2.5. vLetP be a normal cone of E. If operator A : Pw 0  −→ Pw 0 ...

Ngày tải lên: 21/06/2014, 07:20

... integral operator. 8, 9; 3 for s  −k being any negative integer, b  0, and p  1, the operator J −k,0  D k fz was studied by S˘al˘agean 10. 2. Inclusion Relation In order to prove our ... γ  . 2.19 The proof of Theorem 2.6 is complete. 3. Integral Operator For c>−1andfz ∈ Ap, we recall here the generalized Bernardi-Libera-Livingston integral operator L c fz as follows...

Ngày tải lên: 21/06/2014, 07:20

... fields. Similar to the genetic algorithm, a population of particles is used to search the solution space of an optimization problem. Each particle has a position vector and a velocity vector. The position ... is more intended for applications discussed in [13, 14] where hundreds of cameras or more are randomly distributed in an unknown area. Therefore we focus more on the performance of...

Ngày tải lên: 21/06/2014, 08:20

... coordinated sector to the mobile user in the kth coordinated sector. Moreover, we denote β ∗ k ,whereβ k ∈ C N i ×1 , as the channel vector from the relays in the N i uncoordinated sectors to ... coordinated sector to the relay in the kth coordinated sector and φ ∗ k ,whereφ k ∈ C N i ×1 ,be the channel from the mobile users in the N i uncoordinated sectors to the relay in the kth coo...

Ngày tải lên: 21/06/2014, 08:20

... an α-inverse strongly monotone mapping and B : C → H be a β-inverse strongly monotone Hindawi Publishing Corporation Fixed Point Theory and Applications Volume 2011, Article ID 915629, 17 pages doi:10.1155/2011/915629 Research ... Applications Volume 2011, Article ID 915629, 17 pages doi:10.1155/2011/915629 Research Article Iterative Algorithms for Finding Common Solutions to Vari...

Ngày tải lên: 21/06/2014, 11:20

... territory. The network features node -to- node and node -to- sink communications and uses one of two routing protocols: either a pure flooding variant or a history- based protocol. The history-based protocol ... multifac- tor utility functions has been used before in opportunistic routing protocols, for example, [11]. The general idea is that it is possible to get a better solution by...

Ngày tải lên: 21/06/2014, 11:20

... slightly higher temporal resolution. 4. Network Protocol The CARNIVORE network can be considered to be a highly- disconnected network or a usually-disconnected network because predators wearing the ... CARNIVORE network will prove to be a valuable and affordable tool for wildlife biologists to ask and answer interesting questions about cryptic predators. As future work, there are sev...

Ngày tải lên: 21/06/2014, 11:20

... incomplete cooperative game theory to model an energy efficient MAC protocol for WSNs. This allows us to introduce improved backoff algorithm for energy efficient MAC protocol in WSNs. Finally, our research results ... active nodes are the major factors to have impact on the network performance and over all energy efficiency of MAC protocol. Hence, it is necessary to estimate the num...

Ngày tải lên: 21/06/2014, 17:20