Báo cáo hóa học: " Research Article Joint NC-ARQ and AMC for QoS-Guaranteed Mobile Multicast" docx

... Wireless Communications and Networking Volume 2010, Article ID 721312, 11 pages doi:10.1155/2010/721312 Research Article Quality-Assured and Sociality-Enr iched Multimedia Mobile Mashup Hongguang ... model for service delivery. Therefore, MME is firstly proposed as a generic component of Service Deliver Plat- form, responsible for service-related functionalities, such as servic...

Ngày tải lên: 21/06/2014, 11:20

... amplify -and- forward (AF), decode -and- forward [1], coded-cooperation [2], and compress -and- forward [3] have been presented. In [4], the outage and ergodic capacities have been analyzed for a three-node ... Processing Volume 2010, Article ID 640186, 13 pages doi:10.1155/2010/640186 Research Article Joint Linear Processing for an Amplify -and- Forward MIMO Relay Channel wi...

Ngày tải lên: 21/06/2014, 08:20

... Communications and Networking 13 Because for any x>0, e x > 1+x and e −x ∈ (0,1), thus, for any ρ 0 ≥ 0andT>0, we can obtain ∂h(ρ 0 , T)/∂T > 0and ∂h(ρ 0 , T)/∂ρ 0 > 0, therefore dρ 0 dT =−  ∂h  ρ 0 , ... results are OFF) and transmits in both “OFF slots” and “ON slots”. The optimal allocation of sensing period and trans- mission time for two access policies...

Ngày tải lên: 21/06/2014, 11:20

... iη , 2.29 for each iη ∈ iE iE is the set of half-line spectrum of Hλ and α>0, iii for each x ∈ X and iη ∈ iE, the limit lim α → 0 αe αiηt H  α  iη  x 2.30 exists uniformly for t ... of China 11071042 and the Research Fund for Shanghai Key Laboratory for Contemporary Applied Mathematics 08DZ2271900. References 1 M. Conti, S. Gatti, and V. Pata, “Un...

Ngày tải lên: 21/06/2014, 05:20

... CR,X is uniformly admissible for π,thenπ is uniformly exponentially trichotomic. Proof. We prove that the pair  ∞ Z,X, FZ,X is uniformly admissible for π. Indeed, let p ∈ 1, ∞ and Q>0 ... tx≤Ke −νt x, for all t ≥ 0, x ∈ Im P 1 θ and all θ ∈ Θ, vi1/Kx≤Φθ, tx≤Kx, for all t ≥ 0, x ∈ Im P 2 θ and all θ ∈ Θ, vii Φθ, tx≥1/Ke νt x, for all...

Ngày tải lên: 21/06/2014, 05:20

... of approximation 2.4 versus α for r  {1, 2, 3}. Figure 5 depicts the variation of the fitness function J for different orders of approximation and for different bandwidths. It is clear that the ... time domain and the Euler and Tustin rational expressions, H 0 z −1 1/h1 − z −1  and H 1 z −1 2/h1 − z −1 /1  z −1 ,wherez represents the Z transform operator and...

Ngày tải lên: 21/06/2014, 05:20

... Physical and Medium AccessControl Layers for Combined Fixed and Mobile Opera- tion in Licensed Bands,” IEEE Std., 2006. [5] M. Dohler, E. Lefranc, and H. Aghvami, “Virtual antenna arrays for future ... Control (MAC) and Physical Layer (PHY) specifications: Enhance- ments for HigherThroughput,” IEEE Std., February 2007. [4] “IEEE 802.16e: Air Interface for Fixed and Mobile...

Ngày tải lên: 21/06/2014, 05:20

... Communications and Networking 3 numbers of sources and destinations are 2 and 2, respectively. The generalization to cope with more than two sources and two destinations is straightforward. In this ... s 2 [2], s 2 [6], and s 2 [8] since s 2 [2] and s 2 [8] are simultaneously lost at D 2 and s 2 [6] is lost at both D 1 and D 2 .Thus,8 retransmissions are totally required for...

Ngày tải lên: 21/06/2014, 05:20

... get explicit formulas for PDAC problem. The proposed formulas deliver high-performance computing of network resources assignment under PDAC requirements. Thus, an efficient method for proportional ... Bertsekas and R. Gallager, Data Networks, Prentice Hall, Englewood Cliffs, NJ, USA, 2nd edition, 1992. [6] A. Harrel, “Sharp bounds and simple approximations for the Erlang delay and lo...

Ngày tải lên: 21/06/2014, 05:20

... protocol for secure pairwise synchronization and sample exchange that leverages SPS [4]. SPS is based on sender-receiver synchronization. It performs a handshake protocol between two nodes u and v. The ... considered tobesecureforWSNs.Asintheprevioussectionch is bounded by n, and we consider n = 8. Further considering the values for IDs, timestamps, and MICs of previous sections,...

Ngày tải lên: 21/06/2014, 05:20