Báo cáo hóa học: "Research Article Delay Optimization in Cooperative Relaying with Cyclic Delay Diversity" docx
Báo cáo hóa học: "Research Article Delay Optimization in Cooperative Relaying with Cyclic Delay Diversity" docx
... 102030405060SINR (dB)Without cyclic delay With random cyclic delay With optimized cyclic delay Figure 13: Cumulative distribution function of the received SINRon a rural environment with a cell ... Advances in Signal Processing10.90.80.70.60.50.40.30.20.10C.D.F.0 2 4 6 8 1012141618Throughput (bits/symbol/Hz)Without cyclic delay With random cyclic delay With optimized cyclic delay Figure ... environ-ment with a cell radius of 500 m.10.90.80.70.60.50.40.30.20.10C.D.F.02468101214Throughput (bits/symbol/Hz)Without cyclic delay With random cyclic delay With optimized cyclic delay Figure...
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Báo cáo hóa học: " Research Article Bandwidth Optimization in Centralized WLANs for Different Traffic Types" pdf
... following two inequalities:CFPMIN≤ xy,CPMIN≤ (1 − x)y = y − xy.(9)These are obtained by rearranging the first two inequal-ities of the original problem statement. Solving the secondinequality ... LiAllocating bandwidth between different forms of coexisting traffic (such as web-browsing, streaming, and telephony) within awireless LAN is a challeng ing and interesting problem. Centralized coordination ... simultaneously within a number ofR. J. Haines et al. 71009590858075706560Percentage of packets within delay constraint (%)50 100 150 200 250 300 350 400 450 500 550 Delay constraint (ms)100...
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báo cáo hóa học:" Research Article Second-Order Boundary Value Problem with Integral Boundary Conditions" docx
... R is an integrable function.Boundary value problems with integral boundary conditions constitute a veryinteresting and important class of problems. They include two, three, multipoint, andnonlocal ... orderdifferential inclusions with integral boundary conditions,” The Rocky Mountain Journal of Mathematics,vol. 40, no. 1, pp. 13–26, 2010.5 G. Infante, “Nonlocal boundary value problems with two nonlinear ... 3.28Hindawi Publishing CorporationBoundary Value ProblemsVolume 2011, Article ID 260309, 9 pagesdoi:10.1155/2011/260309Research Article Second-Order Boundary Value Problem with Integral...
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Báo cáo hóa học: " Research Article Modeling Misbehavior in Cooperative Diversity: A Dynamic Game Approach" docx
... source terminal i. Source terminal i mayshare its trust vector with other terminals in the network. Forinstance, terminal i may inform terminal l about behavior ofterminal k. Terminal l then ... like to point out that by maintaining belief,source terminals deviate from the assumption (as in existing cooperative protocols) that their partners are always willingto cooperate. Indeed, belief ... assumptionof multiple cooperative interactions within a stage gameis intuitively valid since cooperative transmissions span4 EURASIP Journal on Advances in Signal ProcessingPareto optimal cooperative...
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Báo cáo hóa học: " Research Article Bandwidth-Efficient Cooperative Relaying Schemes with Multiantenna Relay" pptx
... forwardingprocessed signals to the destination in another phase. Thedestination can use maximum ratio combining in bothphases to recover the original information. In [7–11], coded cooperative relaying ... is interleaved before being re-encoded [8]) so that the destination can use code combiningtechniques such as iterative decoding to recover the originalinformation. Coded cooperative relaying ... addressed. In addition, the cooperative relaying scheme under con-sideration is based on repetition coding and, hence, is notcomparable with coded cooperative relaying schemes. In this paper,...
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Báo cáo hóa học: " Research Article Modelling Errors in Automatic Speech Recognition for Dysarthric Speakers" docx
... performance is obtained with λ= 1. WFSTs trained with 10 and 34 reach the maximum with λ= 0.25, while with 16 and 28 the maximumis obtained with λ= 0.50. However, the variation in performance ... models. This gain in accuracy increasesas the training/adaptation data is increased, obtaining animprovement of almost 3% when all 34 sentences areused. The matched pairs test described in [41]wasusedto ... Manasse, K. Hux, and J. L. Rankin-Erickson, “Speechrecognition training for enhancing written language genera-tion by a traumatic brain injury survivor,” Brain Injury, vol.14, no. 11, pp. 1015–1034,...
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Báo cáo hóa học: "Research Article Interference Mitigation in Cooperative SFBC-OFDM" potx
... pagesdoi:10.1155/2008/125735Research Article Interference Mitigation in Cooperative SFBC-OFDMD. Sreedhar and A. ChockalingamDepartment of Electrical Communication Engineering, Indian Institute of Science, Bangalore 560012, IndiaCorrespondence ... however, are crucial in achieving the promised potential of CO-ST-OFDM [8–11]. For example, in the context of cooperative OFDM,the relays-to-destination transmissions during the relaying phase of the ... dB.Next, in Figure 5, we repeat the same experiment (as in Figure 4) with 3 relays using G3code, which is obtained bydeleting one column from G4code in (38–40). The CFOvalues at the destination...
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Báo cáo hóa học: " Research Article DOA Estimation in the Uplink of Multicarrier CDMA Systems" docx
... is the segment index and R denotes the number ofsegments within the frame (the number of data blocks in each frame is NB= Ns× R). Substituting (9) into (11), bear-ing in mind that d(m, ... multipathtime-varying channel in which several paths with possiblydifferent DOAs are present for each user. In a multiuser sce-nario the main obstacle is the large number of parameters in- volved in the ... addressed only in [15]. In par-ticular, the solution proposed in [15] is tailored for the rate3/4 space-time block code introduced by Tarokh in [16]andassumes a static channel with a single DOA...
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Báo cáo hóa học: " Research Article Performance Optimization for Delay-Tolerant and Contention-Based Application in IEEE 802.16 Networks" pptx
... UL-MAP contain the correlativeinformation of the intervals’ usage in the following downlinkand uplink subframes, respectively, and are broadcast to allSSs. The following downlink bursts carry ... messages: unicast polling, andcontention-based polling including multicast or broadcastpolling. In the first case each SS station is polled individuallyby the BS to send the request; in the latter ... request uplink bandwidth before transmittingdata in a corresponding bandwidth grant. This means thatif an SS wants to do uplink transmission, it first sends arequest to BS during the polling interval....
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Báo cáo hóa học: " Research Article A Parameter Robust Method for Singularly Perturbed Delay Differential Equations Fevzi Erdogan" pot
... problem data, and the number of correspondingmesh points. In this paper, we study the following singularly perturbed delay differential problem in the intervalI 0,T:εut atut ... problems undergo rapidchanges within very thin layers near the boundary or inside the problem domain. It is wellknown that standard numerical methods for solving singular perturbation problems ... G. I. Shishkin, Fitted Numerical Methods for Singular Perturbation Problems,Error Estimates in the Maximum Error for Linear Problems in One and Two Dimensions, World Scientific,Singapore, 1996.20...
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