Báo cáo hóa học: "Research Article On Multipath Routing in Multihop Wireless Networks: Security, Performance, and Their Tradeoff" doc
Báo cáo hóa học: "Research Article On Multipath Routing in Multihop Wireless Networks: Security, Performance, and Their Tradeoff" doc
... Communications and NetworkingVolume 2009, Article ID 946493, 13 pagesdoi:10.1155/2009/946493Research Article On Multipath Routing in Multihop Wireless Networks: Security, Performance, and Their TradeoffLin ... problem in lossy networks.3.2. A Game Theoretic Interpretation. In this subsection, togain a more in- depth insight of the internal structure of theobtained multipath routing solution, we study ... limit of node-disjoint multipath routing. The analytical and simulation results in the paper lead usto the following conclusion.(i) Solutions based on path rating which work well in the presence...
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Báo cáo hóa học: " Research Article A Feedback-Based Transmission for Wireless Networks with Energy and Secrecy Constraints" potx
... the Base Station (BS) and its associated operations are the main cause of powerconsumption in the modern wireless networks [1]. Thisresult in combination with a continuing expansion of thecurrent ... Transactions on InformationTheory, vol. 55, no. 4, pp. 1575–1591, 2009.EURASIP Journal on Wireless Communications and Networking 9simulation results) the constant and the instantaneous PAschemes in ... choice and power allocation for energy efficient cooperation in wireless sensor networks,” in Proceedings of the IEEE International Con-ference on Communications, pp. 4255–4260, Beijing, China,June...
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báo cáo hóa học:" Research Article On Isoperimetric Inequalities in Minkowski Spaces" ppt
... dilation, we obtain, settingλKλEd in Petty’s conjectured projection inequality, the following version of thisconjecture which is similar to 4.6.Conjecture 4.3. If K is a convex body in ... ignore with minor exceptions asymptoticaffine inequalities.2. Definitions and PreliminariesRecall that a convex body K is a compact, convex set with nonempty interior in Rd,andthatKis said ... is investigated there.Finally we mention once more that the monograph 38 contains a wide and deepdiscussion of the isoperimetric problem for different definitions of surface area and volumein...
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Báo cáo hóa học: " Research Article On Strong Convergence by the Hybrid Method for Equilibrium and Fixed Point Problems for an Inifnite Family of Asymptotically Nonexpansive Mappings" potx
... 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 iterationprocesses for nonexpansive mappings and ... and F is closed convex.3. Main Results In this section, we will introduce two iterative schemes by using hybrid approximationmethod for finding a common element of the set of common fixed points...
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Báo cáo hóa học: " Research Article On the Ability of the 802.11p MAC Method and STDMA to Support Real-Time Vehicle-to-Vehicle Communication" pdf
... identification systemusing time division multiple access in the VHF maritimemobile band”.EURASIP Journal on Wireless Communications and Networking 3utilization periods on a contention-based random ... phases: initialization, network entry ,and rst frame,before it ends up in the continuous operation.Thephasesare described in Section 4.2, and in Figure 2(b) the contin-uous operation phase ... deadline and reliability,forexample, a VoIP conversation can tolerate packet losses,implying relaxed constraints on reliability, but puts stringentdemands on keeping the deadlines and in the...
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Báo cáo hóa học: " Research Article On the Way towards Fourth-Generation Mobile: 3GPP LTE and LTE-Advanced" pptx
... decreasing the power consumption in the userterminals.Multidimensional Dynamic Resource Allocation and LinkAdaptation. In LTE, both uplink and downlink transmissionschemes can assign smaller, nonoverlapping ... information in 100 MHzbandwidth will need 5 receiver chains, one per each 20 MHzblock.Coordinated Multiple Point Transmission and Reception.Coordinated multi point transmission and reception areconsidered ... multiantenna scheme in uplink. For the sake ofcomparison, in LTE it is considered transmission using upto 2× 2 antennas in downlink and up to 1 × 2 antennas in uplink.Among others, LTE design...
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Báo cáo hóa học: " Research Article On the Duality between MIMO Systems with Distributed Antennas and MIMO Systems with Colocated Antennas" pptx
... to frequency-flat Rayleigh fading obe ying the Kroneckercorrelation 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 of the channel ... allocation strategies for MIMO systems withcolocated and distributed antennas are briefly discussed in Section 4, and some conclusions are offered in Section 5.1.3. Mathematical notationMatrices and...
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Báo cáo hóa học: " Research Article Systems of Quasilinear Parabolic Equations with Discontinuous Coefficients and Continuous Delays" docx
... theequations in 1.1 for x, t ∈ Dk,T, k 1, ,K, and satisfies pointwise the inner boundaryconditions in 1.1 on ΓT, the parabolic conditions on ST, and the initial conditions ulx, ... discontinuous and the reaction functions may depend on continuous delays. By the method of upper and lower solutions and the associated monotoneiterations and by difference ratios method and ... ,N.1.5 In this paper we will extend the method of upper and lower solutions and the monotoneiteration scheme to reaction-diffusion system with discontinuous coefficients and continuousdelays and...
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Báo cáo hóa học: " Research Article Opportunistic Data Collection in Sparse Wireless Sensor Networks" docx
... kind of historic information when they meet and make routing decisions based on that information. Themain historic routing metric used in CHARON is delay, aspreviously proposed in other contexts ... two main replicationstrategies in widespread use. On the one hand, there aresingle-copy solutions, in which only one copy of eachmessage is present in the network at any single time. On the ... including synchronous [15] and asynchronous[16, 17] cycling, as well as more advanced, on- demandsolutionssuchaswakeupradios[18]. Asynchronous cyclingpresents a suboptimal solution, requiring...
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Báo cáo hóa học: " Research Article Blind Channel Equalization Using Constrained Generalized Pattern Search Optimization and Reinitialization Strategy" doc
... bandwidth consumingdue to training. To overcome this resource wasting, blindequalization algorithms have been proposed. In this case,instead of using training sequences, only input signal and noise ... spanning directions D in Rn.Tobetterunderstandthe notion of positive spanning, we introduce the followingdefinitions and terminology thanks to Davids [21].Definition 1. A positive combination ... rely on the minimiza-tion of nonconvex cost functions. Among these algorithms,constant modulus algorithm (CMA) is the most commonlyused blind equalization scheme. It is mainly based on the...
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