Báo cáo hóa học: "Research Article On Multipath Routing in Multihop Wireless Networks: Security, Performance, and Their Tradeoff" doc

... Communications and Networking Volume 2009, Article ID 946493, 13 pages doi:10.1155/2009/946493 Research Article On Multipath Routing in Multihop Wireless Networks: Security, Performance, and Their Tradeoff Lin ... problem in lossy networks. 3.2. A Game Theoretic Interpretation. In this subsection, to gain a more in- depth insight of the internal structure of t...

Ngày tải lên: 21/06/2014, 23:20

... the Base Station (BS) and its associated operations are the main cause of power consumption in the modern wireless networks [1]. This result in combination with a continuing expansion of the current ... Transactions on Information Theory, vol. 55, no. 4, pp. 1575–1591, 2009. EURASIP Journal on Wireless Communications and Networking 9 simulation results) the constant and the...

Ngày tải lên: 21/06/2014, 05:20

... dilation, we obtain, setting λKλE d  in Petty’s conjectured projection inequality, the following version of this conjecture which is similar to 4.6. Conjecture 4.3. If K is a convex body in ... ignore with minor exceptions asymptotic affine inequalities. 2. Definitions and Preliminaries Recall that a convex body K is a compact, convex set with nonempty interior in R d ,andthatK...

Ngày tải lên: 21/06/2014, 18:20

... obvious that any α−inverse strongly monotone mapping A is monotone and Lipschitz continuous. Construction of fixed points of nonexpansive mappings and asymptotically nonexpan- sive mappings is an important ... subject in nonlinear operator theory and its applications, in particular, in image recovery and signal processing see, e.g., 1, 8–10. Fixed point iteration processes fo...

Ngày tải lên: 21/06/2014, 20:20

... identification system using time division multiple access in the VHF maritime mobile band”. EURASIP Journal on Wireless Communications and Networking 3 utilization periods on a contention-based random ... phases: initialization, network entry ,and rst frame, before it ends up in the continuous operation.Thephases are described in Section 4.2, and in Figure 2(b) the contin- uo...

Ngày tải lên: 21/06/2014, 22:20

... decreasing the power consumption in the user terminals. Multidimensional Dynamic Resource Allocation and Link Adaptation. In LTE, both uplink and downlink transmission schemes can assign smaller, nonoverlapping ... information in 100 MHz bandwidth will need 5 receiver chains, one per each 20 MHz block. Coordinated Multiple Point Transmission and Reception. Coordinated multi point...

Ngày tải lên: 21/06/2014, 23:20

... to frequency-flat Rayleigh fading obe ying the Kronecker correlation model and which employs an OSTBC in conjunc- tion with the corresponding widely linear detection at the re- ceiver, an equivalent ... easily be gained in practi- calsystems,forexampleoffline through field measurements, ray-tracing simulations or based on physical channel models, or online based on long-term averaging o...

Ngày tải lên: 22/06/2014, 19:20

... the equations in 1.1 for x, t ∈ D k,T , k  1, ,K, and satisfies pointwise the inner boundary conditions in 1.1 on Γ T , the parabolic conditions on S T , and the initial conditions u l x, ... discontinuous and the reaction functions may depend on continuous delays. By the method of upper and lower solutions and the associated monotone iterations and by difference r...

Ngày tải lên: 21/06/2014, 05:20

... kind of historic information when they meet and make routing decisions based on that information. The main historic routing metric used in CHARON is delay, as previously proposed in other contexts ... two main replication strategies in widespread use. On the one hand, there are single-copy solutions, in which only one copy of each message is present in the network at any s...

Ngày tải lên: 21/06/2014, 11:20

... bandwidth consuming due to training. To overcome this resource wasting, blind equalization algorithms have been proposed. In this case, instead of using training sequences, only input signal and noise ... spanning directions D in R n .Tobetterunderstand the notion of positive spanning, we introduce the following definitions and terminology thanks to Davids [21]. Definition 1. A positive...

Ngày tải lên: 21/06/2014, 22:20