Báo cáo hóa học: " Research Article Towards Scalable MAC Design for High-Speed Wireless LANs" ppt

... In recent years, researchers have proposed numer- ous wireless MAC solutions (to be discussed in Section 7). However, the issue of designing a scalable framework for wireless MAC has not been ... Token-coordinated random access MAC (TMAC) scheme, a scalable MAC framework for wireless LANs. TMAC is motivated by two technology and deployment trends. First, the next-generat...

Ngày tải lên: 22/06/2014, 19:20

... Inequalities and Applications Volume 2010, Article ID 972324, 9 pages doi:10.1155/2010/972324 Research Article Second Moment Convergence Rates for Uniform Empirical Processes You-You Chen and ... “Precise asymptotics for a new kind of complete moment convergence,” Statistics & Probability Letters, vol. 76, no. 16, pp. 1787–1799, 2006. 8 K A. Fu, “Asymptotics for the moment c...

Ngày tải lên: 21/06/2014, 07:20

... Corporation EURASIP Journal on Wireless Communications and Networking Volume 2010, Article ID 264838, 9 pages doi:10.1155/2010/264838 Research Article Efficient MAC Protocol for Subcarrier-Wise Rate Adaptation ... availability of the feedback channel information. On the other hand, little effort has been made to design effi- cient protocols for bit loading in wireless networks....

Ngày tải lên: 21/06/2014, 17:20

... share the AP’s information to reduce the overall scanning delay. Our approach may be even more favorable for 802.11 a than for 802.11 b, since the scanning delay will be even higher for 802.11 a ... RF Synthesizer for 802.11a Wireless LAN,” IEEE Journal of Solid- State Circuits, vol. 38, no. 10, pp. 1767–1770, 2003. [12] IEEE 802.11, “Part11: Wireless LAN Medium Access Control (M...

Ngày tải lên: 21/06/2014, 17:20

... Processing Volume 2009, Article ID 984752, 9 pages doi:10.1155/2009/984752 Research Article Vector Field Driven Design for Lightweight Signal Processing and Control Schemes for Autonomous Robotic ... The robot’s forward and reverse translational motion are both impeded. For case (1), any of the four vector fields are sufficient, while for cases (2) and (3), the reverse-only and f...

Ngày tải lên: 21/06/2014, 20:20

... Point Theory and Applications Volume 2010, Article ID 765206, 11 pages doi:10.1155/2010/765206 Research Article Regularization and Iterative Methods for Monotone Variational Inequalities Xiubin ... x ∗ ≥0, ∀x ∈ C. 4.3 Therefore, applying Theorems 2.2 and 3.1, we get the following result. Theorem 4.1. Assume the Lipschitz continuity 4.2 for the gradient ∇ϕ. a For ε ∈ 0, 1,...

Ngày tải lên: 21/06/2014, 20:20

... This formula holds uni- formly for |z|≤R,forR a given positive real number . From (2.4), lim n→∞ (−1) n n −β−1/2 p (α,β) n  cos  π − z n + j  = 2 −(α+β)/2  z 2  −β J β (z) (2.5) holds uniformly ... ≤ c n , O  n β+1/2  if π − c n ≤ θ ≤ π, (2.3) for α ≥−1/2, β ≥−1/2, and n ≥ 1. The Mehler-Heine-type formula for Jacobi orthonormal polynomials is (see [4,The- orem 8.1.1] and [4, For...

Ngày tải lên: 21/06/2014, 22:20

... Advances in Signal Processing Volume 2008, Article ID 410630, 8 pages doi:10.1155/2008/410630 Research Article Using Intracardiac Vectorcardiographic Loop for Surface ECG Synthesis A. Kachenoura, 1, ... considered as the reference setup for the analysis of the cardiac activity due to the existence of a number of rules for its interpretation, the VCG contains useful information fo...

Ngày tải lên: 22/06/2014, 01:20

... notable performance improvement over fixed frame size RFID MAC protocols, they may still lead to less than acceptable performance for dense RFID systems. We note that the foregoing research work ... avoid this severe performance loss, frame size adaptive MAC protocols for RFID system were proposed in [11–15]. The frame size adaptive MAC protocol in [11] uses a simple estimate for...

Ngày tải lên: 22/06/2014, 19:20

... Corporation EURASIP Journal on Wireless Communications and Networking Volume 2007, Article ID 26123, 12 pages doi:10.1155/2007/26123 Research Article Transmit Delay Structure Design for Blind Channel Estimation ... and A. R. Calderbank, “Space-time codes for high data rate wireless communication: perfor mance criterion and code construction,” IEEE Transactions on Infor- mation...

Ngày tải lên: 22/06/2014, 19:20