Báo cáo hóa học: " Research Article Littlewood-Paley g-Functions and Multipliers for the Laguerre Hypergroup" doc

Báo cáo hóa học: " Research Article New Dilated LMI Characterization for the Multiobjective Full-Order Dynamic Output Feedback " ppt

... lists the simulation results obtained with the suﬃcient standard LMIconditions of Theorem 3.1 and with the suﬃcient dilated LMI conditions of Theorem 3.2. The advantage of using the dilated rather ... and ApplicationsLet us prove, for these four matrices above, that the second matrix is positive deﬁnitewhile the third and/ or the fourth matrices are both negative deﬁnite. Clearly, the standardconditions ... vector xt ∈ Rn, the perturbation vector t ∈ Rm, the input command vectorut ∈ Rq, the performance vector zt ∈ Rp, and the controlled output vector yt ∈ Rr ,and all the matrices A,...

báo cáo hóa học:" Research Article Time-Scale-Dependent Criteria for the Existence of Positive Solutions to p-Laplacian Multipoint Boundary Value Problem" pdf

... Equations 3In the light of the ﬁve functionals ﬁxed point theorem, they established the criteria for the existence of at least three solutions for the dynamic equation 1.1 either with conditions1.4 ... 10501008 and 60874121 and by the Rising-Star Program Foundation of Shanghai, China Grant no. 07QA14002. The authorsare grateful to the referee and editors for their very helpful suggestions and ... 3–11. On the other hand, alongwith the signiﬁcant development of the theories, practical applications of dynamic equationson time scales in mathematical modeling of those real processes and phenomena,...

Báo cáo hóa học: " Research Article Strong Stability and Asymptotical Almost Periodicity of Volterra Equations in Banach Spaces" potx

... partially by the NSF 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, “Uniform ... 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 limitlimα → 0αeαiηtHα  iηx2.30exists uniformly for t ... DA. In the present paper, we investigate strongstability and asymptotical almost periodicity of the solutions. For more information and related topics about the two concepts, we refer to the monographs...

Báo cáo hóa học: "Research Article Integral Equations and Exponential Trichotomy of Skew-Product Flows" doc

... trichotomic if and only if the pair CbR,X, CR,X is uniformly admissible for π.Proof. This follows from Theorems 3.3 and 3.5.Remark 3.7. The above result establishes for the ﬁrst time in the literature ... equation and on the uniform boundedness of the norm of solutionrelative to the norm of the input function. Using detailed and constructive methods we willprove that this assures the existence of the ... ∈CR,X.Deﬁnition 3.1. The pair CbR,X, CR,X is said to be uniformly admissible for the skew-product ﬂow π Φ,σ if there are p ∈ 1, ∞ and Q>0 such that for every θ ∈ Θ the following properties...

Báo cáo hóa học: " Research Article Time-Delay and Fractional Derivatives" doc

... that the higher the value of r, the better the approximation, that is, the smaller the value of J. When the bandwidth increases we observe larger values of the weightingfactors ak,butthedelaysτkremain ... the sampling frequencies ωiwithin the bandwidth ωmin≤ωi≤ ωmax and n denotes the total number of sampling frequencies. Therefore, the qualityof the approximation depends not only on the ... diagram of the time delay perspective of the fractional derivative.where ak∈ and τk∈ are weight coeﬃcients and the corresponding delays and r ∈ℵis the order of the approximation.Before continuing...

Báo cáo hóa học: " Research Article Carrier Frequency Offset Estimation for Multiuser MIMO OFDM Uplink Using CAZAC Sequences: Performance and Sequence Optimization" ppt

... ni(k),(1)where φmis the CFO of the mth user, k is the time index, and L is the number of multipath components in the channel. The dth tab of the channel impulse response between the mth user and the ith ... to estimate the CFOof the ﬁrst user and the same procedure is applied to all the other users to estimate the other CFO values. Since sameprocedure is applied to all the users, the complexity ... plotted the signalpower for user 1 and user 2 after the correlation operationin (15) for sequence length of 36 and 64. In the absenceof the CFO, user 1’s signal should be contained in the ﬁrst18...

Báo cáo hóa học: " Research Article Network Coding-Based Retransmission for Relay Aided Multisource Multicast Networks" pot

... sourcesalong with the feedback from the destinations, the relayknows what destinations are waiting for the lost packets to beretransmitted and then decides how to combine and forward the data to the intended ... 0.1.In Figures 6 and 7, we show the transmission bandwidthof various ARQ protocols with respect to ps1d1.ThePERsof the channels from the sources to the relay and from the relayto the destinations ... that the performance of our de veloped ARQscheme is not sensitive to the quality of the channels from the sources to the destinations. The channels Si→ R and R→ Diare more important than the...

Báo cáo hóa học: " Research Article An Efﬁcient Method for Proportional Differentiated Admission Control Implementation" potx

... Erlang B Formula. We assert that for the desired accuracy of the approximation (6)anoﬀered loadhas to exceed a certain threshold. The concrete value of the threshold is given by the following theorem.Theorem ... i = 1, , 10, and otherparameters are the same thenmaxi, jδiBρi, ni− δjBρj, nj< 0.001. (47)If an obtained accuracy is not enough, then the formulas(23)–(25)provideeﬃcient ... this case, the above problem is diﬃcult and complex combinatorial problem. For its simpliﬁcation, the following asymptotic approximation has been used [3]. If the capacity of link and the oﬀered...

Báo cáo hóa học: " Research Article Secure Precise Clock Synchronization for Interconnected Body Area Networks" doc

... prior to their transmission, the delay (d) adds the contribution of the transmission time, the propagation time, and the reception time. The transmissiontime is the time needed for the sender ... transmit the message bit by bit at the physical layer. This time can be easilycalculated by the receiver by knowing the length in bits of the message and the radio speed. The propagation time is the ... light and the radiospeed is up to a few Mbit/s, the propagation time is neg lectedcompared to the rest of times. The reception time accounts for the time taken by the receiver in receiving the...

Báo cáo hóa học: " Research Article AWPP: A New Scheme for Wireless Access Control Proportional to Trafﬁc Priority and Rate" pdf

... since the former’s priorityis higher by 2, the priority factor equals 2, and they exhibit the same rate, whereas the HP traﬃc deserves 32 times morebandwidth than the LP traﬃc, since the former’s ... standard, aswell as the very eﬀective POAP protocol, which sets the basic structure for AWPP. These three protocols are brieﬂydescribed in the current section.2.1. The EDCA Protocol. The mandatory ... (TSPECs) to the AP. The TSPECs include the MAC Service Data Unit (MSDU) size and the maximumRequired Service Interval (RSI). The standardized schedulercalculates ﬁrst the minimum value of all the RSIs...

Xem thêm