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the initial number of userswas 500 in operator 1 s network and 800 in operator 2 s network

Radio network planning and optimisation for umts 2nd edition phần 6 doc

Radio network planning and optimisation for umts 2nd edition phần 6 doc

Hóa học - Dầu khí

... 13 |8, 14 |7, 15 |6, 16 |5, 17 |4, 18 |3, 19 |2, 20 |1, 21 | 15, 22 |14 , 23 |13 , 24 | 12 , 25 |11 , 26 |10 , 27 |9, 28 |8, 29 |7, 30|6, 31| 5, 32| 4, 33|3, 34 |2 and 35 |1 Channel corresponds to the carrier that is closest ... Â 20 W Â 20 W Â 20 W Â 20 W Â 20 W þ Â 40 W 57 53 62 57 63 users users users users users Erlang B capacity per cell 57 10 6 12 4 17 1 18 9 users users users users users a Based upon 12 .2 kbps speech ... 2. 0 13 3.4 15 4.4 12 8 21 . 0 2. 0 0.0 23 .0 14 .8 1. 5 50 3.0 17 4.0 3.0 16 8.0 11 5.4 18 .5 2. 0 3.0 2. 0 13 0.9 15 3.9 384 21 . 0 2. 0 0.0 23 .0 10 .0 1. 0 50 3.0 17 4.0 3.0 16 8.0 11 1 .1 18.5 2. 0 3.0 2. 0 12 6.6...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Power Allocation Strategies for Distributed Space-Time Codes in Amplify-and-Forward Mode" docx

Hóa học - Dầu khí

... transmission During the first phase, the source node transmits a scaled version of the signal s = [s1 , , sT ]t , consisting of T symbols to all relays, where it is assumed that E{ssH } = (1/ T)IT ... P2 ,1 , P2 ,2 , , P2,R ] and the positive definite diagonal matrices U and V are defined as ⎡ U = diag⎣ 2 P1 f2 g2 P1 f1 g1 , σ 21 P1 + N1 σ f2 P1 + N1 f 2 ⎤ P1 fR gR ⎦ , , , σ 2R P1 + N1 f ⎡ 2 ... allocation of AF DSTC based on maximizing the instantaneous received SNR at the destination is to select the relay with the highest instantaneous value of P1 P2 | fr |2 |gr |2 /(P2 |gr |2 N1 +N2 (σ 2r...
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Analysis of Closed-Loop Performance and Frequency-Domain Design of Compensating Filters for Sliding Mode Control Systems

Analysis of Closed-Loop Performance and Frequency-Domain Design of Compensating Filters for Sliding Mode Control Systems

Cao đẳng - Đại học

... have the format of in nite series and be instrumental at analyzing some effects in the SM systems Suppose, the system is a type Analysis of Closed-Loop Performance for Sliding Mode Control Systems ... the task of proper shaping of the LPRS There are two steps in this process The first step is the formulation of the requirement to the so-called desired LPRS And the second step is the compensator ... compensator being T2 /T1 = The compensator transfer function can be written as: Wc (s) = 0. 02 8s +1 0 .11 1s +1 The LPRS of the compensated system is presented in Fig Plot gives the LPRS of the uncompensated...
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Project Gutenberg’s Space, Time and Gravitation pot

Project Gutenberg’s Space, Time and Gravitation pot

Vật lý

... picture of the world which shall be a synthesis of what is seen by observers in all sorts of positions, having all sorts of velocities, and all sorts of sizes? As already stated we have accomplished ... science The achievement consists essentially in this:—Einstein has succeeded in separating far more completely than hitherto the share of the observer and the share of external nature in the things ... if, instead of relying on his crude senses, he employs scientific measuring apparatus But scientific apparatus has position, motion and size, so that these are still involved in the results of any...
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Báo cáo khoa học: Space, time and nitric oxide – neuronal nitric oxide synthase generates signal pulses pptx

Báo cáo khoa học: Space, time and nitric oxide – neuronal nitric oxide synthase generates signal pulses pptx

Báo cáo khoa học

... absorbance of major states at 425 nm Parameters: k1 = 45 s )1; k4, k¢4 = 70 s )1, k8 = 70 s )1; k2, k5 = 800 s )1; k3 = 70 s )1, k6 = 80 s )1; k7 = 12 0 s )1; k9 = 0. 02 s )1; k10 = 0.5 s )1 during catalysis via ... steady-state and pre-steady-state phases of catalysis Simulations of NO synthesis by eNOS using the models presented here indicate that, as pO2 falls, progressive inhibition of steady-state catalysis makes ... k4 = 52 s )1; k8 = 28 s )1; k2, k5 = 10 00 s )1; k3, k6 = 20 0 s )1; k7 = 50 s )1; k9 = 0. 01 s )1; k10 = s )1 To improve signal to noise, spectra were averaged over intervals of 10 ms after the first few...
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Relativity, space time and cosmology   wudka

Relativity, space time and cosmology wudka

Vật lý

... 000 10 000 12 000 3 .2 × 10 6 6.3 × 10 6 7 .1 × 10 7 3.8 × 10 8 7.0 × 10 8 1. 5 × 10 11 × 10 11 5.9 × 10 12 9.46 × 10 15 × 10 16 4.5 × 10 16 1. 5 × 10 18 5 .2 × 10 18 6.6 × 10 19 1. 2 × 10 20 2. 4 × 10 20 3.9 × 10 20 ... surface Light in a vacuum Masses (in kilograms) 70 000 10 000 × 10 13 × 10 14 1. 1 × 10 16 5.3 × 10 18 × 10 19 1. 4 × 10 21 7.3 × 10 22 5.98 × 10 24 1. 9 × 10 27 1. 99 × 10 30 2. 8 × 10 30 6.0 × 10 30 1. 3 × 10 44 ... 10 10 2. 8 × 10 10 2. 6 × 10 11 2. 6 × 10 11 × 10 11 × 10 12 1. 3 × 10 12 1. 5 × 10 12 4.4 × 10 12 6.4 × 10 12 1. 4 × 10 13 Development and construction cost of the Keck telescope Rough cost of a European Ariane...
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the fabric of the cosmos - space, time, and the texture of reality (brian greene)

the fabric of the cosmos - space, time, and the texture of reality (brian greene)

Vật lý

... functions-we are prii? to the defining, broad-brush strokes gracing nature 's canvas Surely, as Camus intimated, progress in physics, such as understanding the number of space dimensions; or progress ... frameworks (Chapter 13 1, suggested new ways to test superstring theor) using astrophysical observations (Chapter 14 ), and provided some ofthe first insights into the role the theory map play in explaining ... maves reinforce and the resulting intensity is large At other points the waves partially cancel and the intensity 1s small At still other points the peaks and troughs of the probability waves completely...
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visions of awakening space and time dogen and the lotus sutra may 2007

visions of awakening space and time dogen and the lotus sutra may 2007

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... Hermeneutics and Discourse Styles in Studies ¯ of the Lotus Sutra and Dogen, 13 Selected East Asian Interpretations of the Story, 41 ¯ Dogen s Interpretations of This Lotus Sutra Story, 67 ¯ Dogen s View ... demonstrate and exalt it for the sake of living beings; and in turn, living beings, both ordinary and sage, express and unfold it for the sake of grasses and trees, fences and walls.’ 16 This world ... to these views of ¯ the previous Daruma-shu students.3 hermeneutics and discourse styles 15 The primary locus of the hermeneutics of skillful means in Buddhism is the Lotus Sutra Chapter of the...
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Báo cáo hóa học:

Báo cáo hóa học: " The role of feed-forward and feedback processes for closed-loop prosthesis control" doc

Hóa học - Dầu khí

... Declaration and assessed in accordance with the University of Edinburgh School of Informatics policy statement on the use of humans in experiments, approved by the Planning and Resources Committee and the ... http://www.jneuroengrehab.com/content/8 /1/ 60 Page of 12 Number of errors Results For a given trial i we define the number of errors, e i, as the sum of ‘drops’, ‘slips’ and ‘failed lifts’ A drop occurs when the object is in a stable ... the presence of both sources of feedback, suggesting that visual and tactile cues play complementary roles in facilitating successful grasps in the presence of uncertainty In this study we used...
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Báo cáo hóa học:

Báo cáo hóa học: " Review Article Recent Advances in Real-Time Musical Effects, Synthesis, and Virtual Analog Models" pot

Hóa học - Dầu khí

... analog VCFs may provide answers to the above open issues Synthesis and Processing Languages Languages for synthesis and processing of musical signals have been central to research and artistic activities ... Conclusion A selection of recent advances in musical effects processing and synthesis have been discussed in this paper In particular, the advances in adaptive effects processing algorithms, synthesis, ... obtain interesting acoustic-like effects, such as generic amplitude-dependent nonlinear distortion [20 ], shock waves in brass instruments [ 21 23 ], and tension-modulation in string instruments [24 ,...
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Báo cáo hóa học:

Báo cáo hóa học: "Editorial Space-Time Channel Modeling for Wireless Communications" pptx

Hóa học - Dầu khí

... Based Stochastic MIMO Model The spatial temporal separability is investigated at the various levels (cluster, link, and system) for these two models Further, the advantages and disadvantages of ... physical models in a link-level simulation chain The paper also describes the software implementation and provides details of the processing time efficiency with realistic simulation configurations ... reflections from the diffuse multipath components The second group of papers deals with modeling aspects and not directly with measurements As with measurements, the emphasis is to find MIMO models which...
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Báo cáo hóa học:

Báo cáo hóa học: "Performance evaluation of time-multiplexed and data-dependent superimposed training based transmission with practical power amplifier model" doc

Báo cáo khoa học

... + 2NRRC = 20 6 samples This kind of short channel estimator was studied in [ 21 , 24 ] The reason behind using short channel estimator is to maximize the number of cycles, Nc , with the cost of minimizing ... Communications, ECSC -2, Liege, Belgium, 22 24 Oct 19 91, pp 17 9 18 4 12 JJ Bussgang, Crosscorrelation functions of amplitude-distorted gaussian signals Technical report (Massachusetts Institute of Technology ... E-UTRA user equipment [22 ] The used required attenuation levels are based on 23 dBm transmission power in the used 20 MHz bandwidth and Table 6.6 .2. 2 .2 -1 in page 44 of [22 ] We chose the values of...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Analysis and Compensation of Transmitter and Receiver I/Q Imbalances in Space-Time Coded Multiantenna OFDM Systems" ppt

Báo cáo khoa học

... responses H1,m (k) and H2,m (k), as it is easily seen (see (25 )) Then, using similar analysis principles and assumptions as in Section 3, the above SIR can be bound, depending on the type of the ... 1 + 2 12 7 G1,RX(m1 ) (k)G1,RX(m2 ) (k) m1 =1 m2 =m1 ∗ × G1,TX (2) (k)G1,TX (1) (k)+G∗ 2, TX (1) (k)G2,TX (2) (k) Figure 3: Obtained SIR as a function of the subcarrier index k in a × STC-OFDM system ... is always 12 EURASIP Journal on Wireless Communications and Networking 23 64QAM 25 6-subcarrier × Alamouti scheme 25 23 SIR (dB) 24 21 SIR (dB) 22 64QAM 25 6-subcarriers, × Alamouti scheme 20 22 ...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Distributed Space-Time Block Coded Transmission with Imperfect Channel Estimation: Achievable Rate and Power Allocation" pot

Báo cáo khoa học

... nT ⎞ e 11 e 12 ⎜ ⎟ ⎜e 21 e 22 ⎟ ⎟ Eeff = ⎜ ∗ ⎜e −e∗ ⎟ ⎝ 12 11 ⎠ ∗ ∗ e 22 −e 21 ⎜ ⎟ ⎜h ⎟ ⎜ 21 h 22 ⎟ ⎟, =⎜ ∗ ∗⎟ ⎜h −h 11 ⎠ ⎝ 12 h∗ −h∗ 22 21 P H R σn + P H F 2 + P σ + 2 2 P H + σn + P σ + 2 F 2 2 σn ... equivalently, when 1 = 2 ; hence confirming the results of L Musavian and S A¨ssa ı 1. 4 2 1 = 2 = 0. 01 2. 5 Cout (nats /s/ Hz) Gap, Δ (nats /s/ Hz) 1. 2 0.8 0.6 0.4 1. 5 2 1 = 2 = 0 .1 0.5 0 .2 0. 02 0.06 0.04 ... transmission In particular, we assume that when the channel gains pertaining to a subset of transmitter-receiver links improve, the gains of the rest of the subchannels degrade such that the summation...
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Báo cáo hóa học:

Báo cáo hóa học: " An FPGA-Based MIMO and Space-Time Processing Platform" doc

Báo cáo khoa học

... capacity gain Data transmission format is shown in Table 2, where S1 and S2 are transmit data blocks each comprising multiple data words as shown for the case of S1 : S1 = d1 (0), d1 (1) , , d1 (N) ... Power Systems, Christchurch, from 19 96 to 19 98 He served as an Assistant Professor in the Department of Aerospace Engineering in the Indian Institute of Science, Bangalore, India, from 19 98 to 19 99, ... coding systems,” in Proceedings of IEEE 6th Circuits and Systems Symposium on Emerging J Dowle et al [3] [4] [5] [6] [7] [8] [9] [10 ] [11 ] [ 12 ] [13 ] [14 ] [15 ] [16 ] [17 ] Technologies: Frontiers of...
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Báo cáo hóa học:

Báo cáo hóa học: " Space-Time Coded OFDM with Low PAPR Anand Venkataraman, Harish Reddy, and Tolga M. Duman" pptx

Báo cáo khoa học

... of the PAPR 10 CCDF 10 2 10 −3 10 −4 10 2 10 −3 10 −4 10 −5 10 12 10 −5 PAPR (dB) Viterbi Stack Ms Fano, threshold=7dB No TS No TS Ms2 PAPR (dB) 10 12 14 Ms1 Ms Figure 5: Comparison of the CCDFs of the ... (8 ,1, 2) Stack Ms (8 ,1, 2) Stack Ms1 (8 ,1, 2) Stack Ms2 (8 ,1, 2) Fano Threshold = dB (8 ,1, 2) Viterbi (8 ,1, 4) M = (8 ,1, 4) M = (8 ,1, 4) T = (8 ,1, 4) 10 10 1 10 1 10 2 10 2 CCDF 10 CCDF PAPR at CCDF = 10 −3 ... 10 −3 10 −4 10 −5 10 12 10 1 10 2 10 −3 14 15 20 25 SNR (dB) PAPR (dB) TS + STC (1. 75 b /s/ Hz) PTS + STC (1. 75 b /s/ Hz) 10 Alamouti (2 b /s/ Hz) TS + Alamouti (1. 75 b /s/ Hz) TR + STC (1. 75 b /s/ Hz) STC (2...
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Báo cáo hóa học:

Báo cáo hóa học: " A Receiver for Differential Space-Time π/2-Shifted BPSK Modulation Based on Scalar-MSDD and the EM Algorithm" ppt

Báo cáo khoa học

... (conventional ST-DD, selectiondiversity EM-based receiver, MRC); N = 64 10 1 10 2 10 2 BER 10 1 BER 12 10 −3 10 −4 10 −5 10 10 −3 10 −4 12 14 16 18 20 22 10 −5 10 12 SNR (dB) Conv ST-DD EM-0 EM -1 EM -10 Coherent ... static fading case A Receiver for Differential Space-Time π /2- Shifted BPSK 89 10 2 BER 10 1 10 2 BER 10 1 10−3 10 −4 10 −5 10 10 −3 10 −4 12 14 16 SNR (dB) Conv ST-DD EM-0 EM -1 18 20 10 −5 10 22 EM -10 Coherent ... The static fading channel has been frequently considered when investigating systems with transmit and receive diversity [10 , 18 , 19 , 20 , 21 , 22 , 23 ] On the other hand, the sequence of noise samples,...
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Báo cáo hóa học:

Báo cáo hóa học: " Maximum Likelihood Turbo Iterative Channel Estimation for Space-Time Coded Systems and Its Application to Radio Transmission in Subway Tunnels" potx

Báo cáo khoa học

... the results obtained with the proposed estimator using a training sequence of M = bits and those obtained with classical LS using a training sequence of M = 26 bits (the length standardized in ... for several values of the training sequence length (M = 4, 5, and bits) The channel code is the same as in the previous simulations The interleaver size is 2 0800 bits and the frame length is 14 8, ... ,b(n +1) )=sk +1 + L x(k + 1) |s( k + 1) (13 ) using as initial values βK 1 [s = sK 1 ] = and βK 1 [s = sK 1 ] = −∞ Similarly, the decoder has to compute the a posteriori logprobabilities of the...
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the fabric of the cosmos space time and the texture of reality   brian greene

the fabric of the cosmos space time and the texture of reality brian greene

Vật lý

... Unification in Higher Dimensions The Hidden Dimensions String Theory and Hidden Dimensions The Shape of Hidden Dimensions String Physics and Extra Dimensions The Fabric of the Cosmos According to String ... worth the effort Figure 2 .1 The surface of the water starts out flat and remains so as the bucket starts to spin Subsequently, as the water also starts to spin, its surface becomes concave, and ... water s surface take this shape? Well, because it s spinning, you say, and just as we feel pressed against the side of a car when it takes a sharp turn, the water gets pressed against the side of the...
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