design of an enhanced 3g based mobile healthcare system

... for fixed and mobile broadband wireless access systems,” Tech Rep., IEEE, 2006 [3] Y Li and N R Sollenberger, “Adaptive antenna arrays for OFDM systems with cochannel interference,” IEEE Transactions ... for coded and bit-interleaved OFDM transmission, we provide an analysis of the raw bit-error probability (BEP) of both schemes before channel decoding The results confirm that significant gains ... Mx [μ] = E where σ and σ (1 ≤ j ≤ J) denote the variances of dej a sired signal and of interferer signal j, respectively, and σ n is the variance of the inphase component of the rotationally...

Ngày tải lên: 22/06/2014, 06:20

... of an enhanced 802.11 MAC protocol more suitable for ad hoc environments The MobileMAN project is an initiative funded by the European FET FP5 Programme with the primary technical objective of ... decrease the performances of wireless networks in any environment We believe that the contributions of our work can go well beyond the implementation and testing of a specific enhanced 802.11 backoff ... 802.11 standard and not to entirely redesign the standard channel access mechanisms, we tried to find a flexible development platform providing an implementation of the legacy 802.11 standard Unfortunately,...

Ngày tải lên: 22/06/2014, 22:20

... official minimum distance of 4cm but can range down to 2cm This allows the sensors to be placed near the edge of the robot It has an official maximum range of 30cm but it can range up to 80cm though ... pure translation of the robot and a part due to pure rotation of the robot: νi =νtrans, i +νrot (2.1) First, pure translation will be considered In Figure 2, a close-up of vtrans,1, the translational ... it cannot carry a heavier payload and the chance of it tipping is greater as shown in Figure 3(a) and 3(b) Interolls plastic wheels are chosen as they are cheap and they can satisfy a load of...

Ngày tải lên: 04/10/2015, 10:26

... made substantial contributions to conception and design, and to the analysis and interpretation of the data TRM and GWC handled acquisition of data All authors contributed to the manuscript revision ... Ethnicity Caucasian, not Hispanic Non-Caucasian Hispanic Black, not Hispanic American Indian or Pacific Islander RA Drug Initiated Abatacept (5%) (3%) Adalimumab 74 (38%) 74 (24%) Etanercept 60 (31%) ... 1998, 41:1845-1850 van Gestel AM, Prevoo ML, van 't Hof MA, van Rijswijk MH, van de Putte LB, van Riel PL: Development and validation of the European League Against Rheumatism response criteria...

Ngày tải lên: 25/10/2012, 10:45

... Carbon cycle analysis of DME and FTD designs 68  Figure 27: Mass and energy flow of DME design and FTD design 69  List of Tables Table 1: Bleaching chemicals for ECF and TCF bleaching ... system, consists of a physical mixture of a methanol synthesis catalyst and a methanol dehydration catalyst The methanol synthesis catalyst is generally a copper and/or zinc and/or aluminum and/or ... synthesis and the effectiveness of wet and dry gas cleaning methods [79] 33 Table 6: Contaminant specification for cobalt FT synthesis, and cleaning effectiveness of wet and dry gas cleaning [79]...

Ngày tải lên: 26/02/2014, 14:20

... the presence of lipid vesicles that mimicked membranes of E coli A standard toxicity assay showed that AP1 inactivated the organism, and the use of Antimicrobial properties of an anionic a-helical ... susceptibility of E coli model membranes to the action of AP1 An important determinant of the susceptibility of membranes to a-AMPs is the packing characteristics of the individual membrane lipids ... presence of AP1 caused no apparent shift in the temperature range of these phase transitions but, over this temperature range, induced a signicant decrease in the membrane uidity of E coli membranes...

Ngày tải lên: 07/03/2014, 12:20

... Critical band a: Critical band b: Critical band f: Critical band e: Critical band 13 c: Critical band g: Critical band c: Critical band 11 f: Critical band 14 d: Critical band h: Critical band a: ... [14] P P Vaidyanathan, Multirate Systems and Filter Banks, Prentice-Hall, Englewood Cliffs, NJ, USA, 1993 [15] P P Vaidyanathan and P Q Hoang, “Lattice structures for optimal design and robust implementation ... due to outer and middle ear, and the temporal resolution of human auditory system The design method is elaborated with an example case of sampling frequency of 16 kHz The energy error of the CB...

Ngày tải lên: 21/06/2014, 05:20

... For example, an SNR of 36 (15.6 dB) is required to achieve a BER of 10−9 2.5 Channel Bandwidth The bandwidth of the indoor channel is computed from the Fourier transform of the channel impulse ... channels,” IEEE Transactions on Antennas and Propagation, vol 50, no 5, pp 759–765, 2002 J.-L Tang, P C Jui, and S C Wang, “Simulation and design of omni-directional high-speed multi-beam transmitter ... uniform and full coverage of power distributions and this can be achieved by modifying some key parameters of the multibeam transmitter, such as the number of transmitters, elevation and azimuth angle,...

Ngày tải lên: 21/06/2014, 17:20

... performance of CSMA protocols are mainly affected by the hidden node problem and the amount of data transmitted by nodes to the CHs First of all, we want to point out that the random changing of the ... volcanic site, or structural monitoring of buildings, by means of samples captured by nodes randomly and uniformly distributed Samples are then transmitted to a sink with a selforganizing and ... the noise figure F of the receiver, that is, N0 = KB FT0 , z Pep = (iii) S is a Gaussian random variable, with variance σ and zero mean Peb = erfc where KB is Boltzmann’s constant and T0 = 290 K...

Ngày tải lên: 23/06/2014, 00:20

... expression of viral Gag/Pol and gene transfer vectors that encode the transgene of interest The expression of RNAs from both the Gag/Pol helper and the gene transfer vector constructs in HIV- 1based ... packaging systems can be used for delivery of any transgene of interest Here we have demonstrated that the SIV RRE can replace HIV-1 RRE in either the packaging or gene transfer vector with no loss of ... Biochemicals, Mannheim, Germany) and X-ray films Production of vector stocks The 293T cells were transfected with 1.5 μg of packaging plasmid, 3.0 μg of gene-transfer vector, 0.2 μg of VSV-G expression...

Ngày tải lên: 10/08/2014, 05:21

... Care Vol 12 No Lemson and van der Hoeven decisions on cardiac output changes of 10% to 15% likely results in unnecessary hemodynamic manipulation of unknown clinical impact and we would strongly ... (96% of the time for APCO and 95% of the time for CCO using this well accepted technology) Breukers and colleagues [5] found concordance of delta cardiac output in 75% of determinations comparing ... related to the FloTrac/Vigilio System References McGee WT, Horswell JL, Calderon J, Janvier G, Van ST, Van den BG, Kozikowski L: Validation of a continuous, arterial pressurebased cardiac output measurement:...

Ngày tải lên: 13/08/2014, 08:21

... involvement and contributions in the initial stage of my research I would like to thank Prof Frans Willems, Technical University of Eindhoven, and Dr Wim M J Coene, Dr Alexander Padiy, Dr Stan Baggen, and ... write channel, recording channel (i.e optical head/media), and read channel The write channel and read channel behave like the transmitter and receiver, respectively, in a communication system ... systems In particular, most of the key components of the PC-code -based optical recording system have been designed and optimized for different recording densities, and different proportions of...

Ngày tải lên: 30/09/2015, 06:02

... POINT CLOUD OF AN ELEVATION SURFACE BASED ON 2D DELAUNAY TRIANGULATION In Partial Fulfillment of the Requirements of the Degree of MASTER OF INFORMATION TECHNOLOGY MANAGEMENT By NHAN Ba Cong ID: ... guaranteed to reconstruct a surface homeomorphic to and within a bounded distance from the original manifold The output of triangulating mesh is a manifold subset of an alpha-shape that some of ... circumcenter of the triangle 𝑇 based on the equation of the perpendicular bisectors a pair of edges of 𝑇; Based on 𝑟 and 𝑝𝑐 , we loop over the points in the bounding box of 𝐶 to check if one of them...

Ngày tải lên: 03/11/2015, 22:50

... numerical corpus -based characteristic of a candidate term, namely the frequency of occurrence, the frequency of occurrence as a substring of other candidate terms, the number of candidate terms ... lexicosemantic pragmatic Exam 31es Term variants Normalised term - all-trans-retinoic acid all trans retinoic acid Down syndrome Down's syndrome clones of humans human clones cancer carcinoma all-trans-retinoic ... receptor (HNF4) and constitutive androstane receptor (CAR)] However, IL-1 does not interact with an orphan nuclear receptor known to antagonize ligand-dependent transactivation of other nuclear...

Ngày tải lên: 08/03/2014, 21:20

... REVIEW system not very portable Additionally, while the system is ’portable’, it is more less transportable, rather than portable Due to the number of channels used and the complexity of the system, ... LED based system designed that are wireless, smaller, and lighter These designs are basically simplified designs of the MCP II, while producing comparable results to other NIRS systems One such design ... The disadvantages to this system are basically the same as any Laser based system It is highly expensive, requiring a spaghetti of optical wires (refer to Figure 2.1) The system is large an very...

Ngày tải lên: 16/04/2014, 01:56

... personnel (salaries and benefits of surveillance officers, data managers, physicians, nurses, etc.), rent (rent, utilities, operation, and maintenance), office and laboratory supplies, transportation, ... Structure and performance of infectious disease surveillance and response, United Republic of Tanzania, 1998 Bull World Health Organ 2002, 80(3):196-203 World Health Organization, Regional Office ... costs of laboratory and treatment costs for Eritrea and Mali (see Table 2) Without the laboratory and treatment costs, the mean annual all disease surveillance and IDSR program costs were 54,327 and...

Ngày tải lên: 13/08/2014, 11:22

... required system bandwidth and the frequency of chattering are apart from each other far enough then the closed-loop system performance can be enhanced without sacrificing other qualities of the system ... model can be used for analysis of some effects that cannot be analyzed via application of the reduced-order model One of those effects is the response to an external disturbance Let f be a constant ... LPRS of uncompensated (1) and compensated (2) systems Analysis of Closed-Loop Performance for Sliding Mode Control Systems 69 Fig Transient process in compensated system chattering One can see...

Ngày tải lên: 01/07/2015, 09:37

... function of Ω, i.e δΩ (µ ) = maxω ∈Ω µ T ω Θ⊕Ω Minkowski sum of set Θ and Ω Θ P-difference of set Θ and Ω Ω αΩ scale of set Ω µi ith element of vector µ A⊗B Kronecker product of matrix A and B NATIONAL ... control parametrization plays an important role in MPC of systems with disturbances It determines the degree of conservatism of the resulting MPC controller and the size of the admissible set XN ... state and control of the system at time t, respectively, w(t) ∈ Rn is the disturbance on the system at time t and W is compact, and Y is the joint state and control constraint set imposed on the system...

Ngày tải lên: 11/09/2015, 14:29

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