Báo cáo hóa học: " Research Article Adaptive Bandwidth Management and Joint Call Admission Control to Enhance System Utilization and QoS in Heterogeneous Wireless Networks" pptx

... pagesdoi:10.1155/2007/34378 Research Article Adaptive Bandwidth Management and Joint Call Admission Control to Enhance System Utilization and QoS in Heterogeneous Wireless NetworksOlabisi E. Falowo and H. Anthony ... networks in the same area necessitates joint radio resource management for enhanced QoS provisioning and eﬃcient radio resource utilization. We propose adaptive bandwidth management and joint call admission ... adapting the bandwidth of existing call. ani(or ahi) = −j means accept the new class-i(or handoﬀ class-i) call into RAT- j after adapting (degrad-ing) the bandwidth of existing call( s).In...

Báo cáo hóa học: " Research Article Performance of a Two-Level Call Admission Control Scheme for DS-CDMA Wireless Networks" potx

... Blocking probability for Handoff callsThe blocking or forced termination of a class 0 or class 1handoﬀ call is also due to two factors: blocking due to insuﬃ-cient Eb/I0or blocking due to insuﬃcient ... of downlink bandwidth to total bandwidth ( Wd/W)New call, 2-level CACHandoﬀ call, 2-level CACNew call, 1-level CAC [10]Handoﬀ call, 1-level CAC [10]Figure 2: Class 0 call blocking probabilities ... downlink bandwidth to total bandwidth (Wd/W)Uplink, 1-level CAC [10]Downlink, 1-level CAC [10]Uplink, 2-level CACDownlink, 2-level CACFigure 8: Average throughput versus downlink bandwidth...

Báo cáo hóa học: "Research Article Adaptive Kernel Canonical Correlation Analysis Algorithms for Nonparametric Identiﬁcation of Wiener and Hammerstein Systems" potx

... for Wiener systems [10] that exploits the cascadestructure by jointly identifying the linear ﬁlter and the inversenonlinearity. It uses a linear estimatorH(z) and a nonlinearestimator g(·), ... al-gorithm. In case of the Hammerstein system, KCCA alreadyobtains an estimate of the direct nonlinearity and the inverselinear channel. To fully identify the Hammerstein system, thedirect linear ... Following anidea introduced in [10], we estimate one linear ﬁlter and onememoryless nonlinearity representing the two system blocks and obtain an estimate of the signal in between these blocks.To...

Báo cáo hóa học: " Research Article Real-Time Perceptual Simulation of Moving Sources: Application to the Leslie Cabinet and 3D Sound Immersion" pot

... ownmotor and mechanical assembly, and the rotating speedsR. Kronland-Martinet and T. Voinier 5InputAbsorptionﬁlterDelay lineDirect soundControlsSourcecoordinatesListenercoordinates To ... Limerick, Ireland, December 2001.[34] P. Gobin, R. Kronland-Martinet, G A. Lagesse, T. Voinier, and S. Ystad, “Designing musical interfaces with composition in mind,” in Computer Music Modeling and Retrieval, ... this kind in addition to intensity variations to make a realistic sensationof an an-coming band in his Bolero: the orchestra starts in a low-frequency register to simulate the band playingat...

... talkingenvironments. Using CSPHMM2s for speaker identiﬁca-tion systems increases nonlinearly the computational cost and the training requirements needed compared to usingeach of LTRSPHMM1s and ... of LTRSPHMM1s,LTRSPHMM2s, and CSPHMM1s in the two talking environ-ments. In this work, the weighting factor (α) has been chosen to be equal to 0.5 to avoid biasing towards any acoustic orprosodic ... recognition systems in shouted talkingenvironments can be used in criminal investigations to identify the suspected persons who uttered voice in a shoutedtalking condition and in the applications...

Báo cáo hóa học: " Research Article Adaptive Single Image Superresolution " pot

... value, all training examples must be storedfor expressing this subspace, and problems of memoryconsumption occur with increase in the number of thetraining examples. On the other hand, since the ... for increasingthe number of the training examples. In one approach,we downsample the target LR image iteratively, and obtainmultiple smaller images to get more training patches. Byfocusing ... a center a and aradius R. The goal is to minimize the volume of the sphere(i.e., minimize R2) while keeping all training objects insideits boundary. Thus, the following constrained optimizationproblem...

Báo cáo hóa học: " Research Article Adaptive Linear Prediction Filtering in DWT Domain for Real-Time Musical Onset Detection" potx

... rationale behind the porting of the algorithm to an embedded device is to validate its design and principles, to assist the tuning of t he algorithm parameters, and to gather an insight on problematics ... available. Merging channelstogether into a single signal may result in a loss of spatialinformation, the worst case occurring when every channelcontains diﬀerent musical instruments. In this case, ... combine informationcoming from diﬀerent onset detection algorithms, requiringan increase in computational cost and a complex decisiontaking mechanism at the end of the signal processing.Finally,...

Báo cáo hóa học: " Research Article Adaptive Coordinated Reception for Multicell MIMO Uplink" docx

... Adaptive joint multi-cell reception with uplinkpower control and beamforming(invited),” in Proceedings ofthe 5th International ICST Conference on Communications and Networking in China (CHINACOM ... Under the individual signal -to- interference-plus-noise ratio (SINR)constraint per MS, power control and receive beamforming are jointly optimized with adaptive MBS selection to minimize thetotal ... those in [4], provided that it is a feasible problem. Joint TPC and transmit beamforming problem aiming at the downlinktransmissions was studied in [7–9], where the downlink-uplink SINR duality and...

Báo cáo hóa học: " Research Article Adaptive Parameter Identiﬁcation Based on Morlet Wavelet and Application in Gearbox Fault Feature Detection" pptx

... potentialapplicability for monitoring other rotating mechanical com-ponents such as bearings and rotors.4 EURASIP Journal on Advances in Signal ProcessingTable 1: The results of CMWCF when increasing the noise ... condition monitoring: approaches and eﬀectiveness,” Mechanical Systems and Signal Processing, vol.19, no. 3, pp. 467–482, 2005.[19] A. Raad, J. Antoni, and M. Sidahmed, “Indicators of cyclo-stationarity: ... cyclo-stationarity: theory and application to gear fault monitoring,”Mechanical Systems and Signal Processing,vol.22,no.3,pp.574–587, 2008.[20] J. S. Bendat and A. G. Piersol, Random Data: Analysis and Measurement...

Báo cáo hóa học: " Research Article Adaptive Channel-Tracking Method and Equalization for MC-CDMA Systems over Rapidly Fading Channel under Colored Noise" doc

... noise, and drivingnoise estimated simultaneously2Working in the time-domain, reducingcomplexity in comparison with the schemes in frequency-domain3Without pilot symbol, saving bandwidth 4Including ... the coherence bandwidth Bcis approximated to 1/50στ[32]. The central frequency fcis 1.8 GHz in the MC-CDMA system. The total bandwidth BW is 1.024 MHz whichis divided into 512 subchannels. ... asSn(m)=Nuj=1cj(m)dj(n)(3)Hindawi Publishing CorporationEURASIP Journal on Advances in Signal ProcessingVolume 2010, Article ID 871650, 12 pagesdoi:10.1155/2010/871650 Research Article Adaptive Channel-Tracking...

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