approached by systems theory and human ecology

... determined by the designed schedule (Cho et al., 2007) 10 Embedded Systems – Theory and Design Methodology Generally, it has been argued that there is a wide gap between scheduling theory and its ... analysis and filtering Also, in control systems, jitter can greatly degrade the performance by varying the sampling period (Torngren, 1998; Marti et al., 2001) 14 Embedded Systems – Theory and Design ... with CAN-based distributed systems" , Microprocessors and Microsystems, Vol 31(5), pp 326-334 Baker, T.P and Shaw, A (1989) “The cyclic executive model and Ada Real-Time Systems , Vol (1), pp 7-25...

Ngày tải lên: 24/04/2014, 11:48

... disks and tapes, logic circuits and systems, data entry systems, and distributed storage systems Also new classes of matrix codes, such as error locating codes, spotty byte error control codes, and ... the codes for some specific systems, namely mass memories such as magnetic tapes and disks, logic circuits and systems, data entry systems, and distributed storage systems Chapter 11 covers the ... correcting (SbEC) codes, and single-byte error correcting and double-byte error detecting (SbEC-DbED) codes, are presented in Chapter The codes for the mixed type of bit errors and byte errors are presented...

Ngày tải lên: 03/06/2014, 01:48

... Information Theory Aspects Part2 focus on information theory aspects of MIMO systems, including diversity-gain of MIMO systems, which highlight the trade-off between capacity and bandwidth X Preface ... obtained from orders@intechweb.org MIMO Systems, Theory and Applications, Edited by H Khaleghi Bizaki p cm ISBN 978-953-307-245-6 free online editions of InTech Books and Journals can be found at www.intechopen.com ... Multi-Device STBC-MIMO Systems Daniel C Lee and Muhammad Naeem Part Application and Case Studies 315 333 Chapter 14 Analysis and Mitigation of Phase Noise in Centralized/De-centralized MIMO Systems 335...

Ngày tải lên: 20/06/2014, 04:20

... and MRC diversity reception in mobile communications, Proceedings of 2004 IEEE Wireless Communications and Networking Conference (WCNC), pp 943–947 58 MIMO Systems, Theory and Applications and ... including error estimator and MSE are shown in Fig.43 and Fig.42 These are presented as a function of the received SNR Simulation results are presented 52 MIMO Systems, Theory and Applications for ... Impact of distance between the source node and the target node 10 54 MIMO Systems, Theory and Applications clusters of sensors at both the transmit side and the receive side The set of sensors located...

Ngày tải lên: 20/06/2014, 04:20

... 60 MIMO Systems, Theory and Applications ellipsoids are obtained and can be projected onto the subspace spanned by the vectors as shown by the dash lines in Fig Thus, searching ... are examined 66 MIMO Systems, Theory and Applications (a) (b) Fig Comparison of SER performance of ESA, ML decoding, ZF and MMSE using 4-QAM (a) × MIMO systems (b) × MIMO systems Geometrical ... other hand, energy consumption can be minimized at the receiver by using low-rank equalization or /and reducing the order of MIMO systems by selection of antennas both at the receiver and transmitter,...

Ngày tải lên: 20/06/2014, 04:20

... MIMO systems such as Wireless Local Area Networks (WLAN) systems in real outdoor and indoor environments Performance of space and angle diversity methods in MIMO systems are also compared and ... omnidirectional antennas, 108 MIMO Systems, Theory and Applications the power is directed to limited angles) in an indoor environment which is a real concern nowadays By try and error, it was found that, ... Rx and also for this coordinate system zL3 is chosen along the direction of Rx dipole and xL3 is defined on a plane parallel to the plane of xGmain and yGmain Fig Global and local coordinates and...

Ngày tải lên: 20/06/2014, 04:20

... communication systems, IEEE Transactions on Communications 42(234): 1740–1751 132 MIMO Systems, Theory and Applications Xin, Y., Wang, Z and Giannakis, G B (2003) Space-time diversity systems based ... The system bandwidth is also assumed to be normalized to unity 136 MIMO Systems, Theory and Applications ¯ In the following, we will denote with γ the ratio Pt /N and with Γ(z) and Γ( a, z), ... of practical systems Both of the capacity analysis and performance analysis strongly rely on random matrix theory and matrix variate distributions So far the capacity issues of MIMO systems have...

Ngày tải lên: 20/06/2014, 04:20

... respectively As shown in the figure, our 166 MIMO Systems, Theory and Applications 45 Theory results, tI=4 40 Theory results, t =5 I Theory results, t =6 35 I Theory results, t =7 Ergodic Capacity (bit) ... not important and thus, is omitted 174 MIMO Systems, Theory and Applications 4.5 Numerical results and remarks The validity of Theorem and Theorem has been rigorously examined by showing that ... verify this assertion By inserting Σ1 = n Ir into (71) and comparing the two expressions of (71) and (87), 184 MIMO Systems, Theory and Applications we only need to prove Eqs.(141) and (142) shown...

Ngày tải lên: 20/06/2014, 04:20

... less increase in complexity 206 MIMO Systems, Theory and Applications Notation: Random variables, vectors, and matrices are denoted by lower, lower bold, and upper bold italic letters, respectively ... users The entries of H and ΔH have ˆ been assumed to be zero mean i.i.d complex Gaussian random variables, i.e., H ~ CN (0,1) 218 MIMO Systems, Theory and Applications Fig Upper and lower bound of ... Capacity with K=4 user and different value of α Fig Capacity loss for K=4 user 219 220 MIMO Systems, Theory and Applications Fig 10 Capacity loss for different user and ρ = 0.05 and ΔH ~ CN (0, ρ...

Ngày tải lên: 20/06/2014, 04:20

... "Achievable Rates and Power Loading in MIMO-THP Systems ", 3rd International Conference on Information and Communication Technologies (ICTTA),Page(s): - 7, 2008 236 MIMO Systems, Theory and Applications ... whose large-scale power attenuations are approximately equal by scheduling 238 MIMO Systems, Theory and Applications subchannel and all the M users be served simultaneously Based on the criterion ... gains by δRAB (l ) and δRAS (l ), respectively With the 2 decrease of l, the relative difference between δRAB (l ) and δRAS (l ) tends to decrease, which can be deduced below 244 MIMO Systems, Theory...

Ngày tải lên: 20/06/2014, 04:20

... MIMO Systems, Theory and Applications Iterative Optimization Algorithms to Determine Transmit and Receive Weights for MIMO Systems 283 Conclusion We proposed optimization algorithms of transmit and ... Bold upper and lower case letters are used to denote matrices and column vectors, respectively (·) T , and (·)∗ refer to transpose and conjugate transpose, respectively · and · F stand for vector ... antennas 280 MIMO Systems, Theory and Applications Figures 17 and 18 show BER performance as a function of SNRmax, where the number of users is set to 1∼3 for K=4 in Fig.17, and set to for K=8...

Ngày tải lên: 20/06/2014, 04:20

... Information Theory Aspects Part2 focus on information theory aspects of MIMO systems, including diversity-gain of MIMO systems, which highlight the trade-off between capacity and bandwidth X Preface ... obtained from orders@intechweb.org MIMO Systems, Theory and Applications, Edited by H Khaleghi Bizaki p cm ISBN 978-953-307-245-6 free online editions of InTech Books and Journals can be found at www.intechopen.com ... Multi-Device STBC-MIMO Systems Daniel C Lee and Muhammad Naeem Part Application and Case Studies 315 333 Chapter 14 Analysis and Mitigation of Phase Noise in Centralized/De-centralized MIMO Systems 335...

Ngày tải lên: 21/06/2014, 03:20

... ray-tracing may not be a right choice as it demands to change the channel 88 MIMO Systems, Theory and Applications parameters several times and evaluate and compare the results for many runs This ... illustrated that when the number 84 MIMO Systems, Theory and Applications of transmitter or /and receiver antennas increases, the performance of both TBCE and SBCEML schemes significantly improves ... 82 MIMO Systems, Theory and Applications As shown in Fig 12, the performance of both LS-based TBCE and SBCE-ML schemes in a MIMO 4×4 system is improved respect to MIMO 2×2 In the other hand, a...

Ngày tải lên: 21/06/2014, 03:20

... less increase in complexity 206 MIMO Systems, Theory and Applications Notation: Random variables, vectors, and matrices are denoted by lower, lower bold, and upper bold italic letters, respectively ... users The entries of H and ΔH have ˆ been assumed to be zero mean i.i.d complex Gaussian random variables, i.e., H ~ CN (0,1) 218 MIMO Systems, Theory and Applications Fig Upper and lower bound of ... Capacity with K=4 user and different value of α Fig Capacity loss for K=4 user 219 220 MIMO Systems, Theory and Applications Fig 10 Capacity loss for different user and ρ = 0.05 and ΔH ~ CN (0, ρ...

Ngày tải lên: 21/06/2014, 03:20

... MIMO Systems, Theory and Applications Iterative Optimization Algorithms to Determine Transmit and Receive Weights for MIMO Systems 283 Conclusion We proposed optimization algorithms of transmit and ... Bold upper and lower case letters are used to denote matrices and column vectors, respectively (·) T , and (·)∗ refer to transpose and conjugate transpose, respectively · and · F stand for vector ... first and second eigenvalues measured by the proposed method as a function of the frame number in 2×2 MIMO system, where these eigenvalues are obtained by using channel matrix and the transmit and...

Ngày tải lên: 21/06/2014, 03:20

... beamforming MIMO systems, ” IEEE Trans Signal Process., vol 54, no 12, pp 4753-4766, Dec 2006 314 MIMO Systems, Theory and Applications K Huang, B Mondal, R W Heath, Jr., and J G Andrews, “Effect ... according to Jakes’ model, 306 MIMO Systems, Theory and Applications Coding and Modulation Data bits Wireless channel H Beamformer w s Combiner z r Demodulation and Decoding Ideal channel estimation ... k and independent of i, so is 308 MIMO Systems, Theory and Applications Pe (iK + k) That is, Pe (iK + k) is periodic with period K Therefore we can confine our attention to just one period, and...

Ngày tải lên: 21/06/2014, 03:20

... (FDE), and secondly, constant phase modulation (CPM) with time domain equalization Both techniques are targeted for low-cost and lowpower 60 GHz communications systems and are evaluated and compared ... paper by H T van der Zanden et al addresses the modeling and prediction of rain-induced bistatic scattering at 60 GHz This factor is important as it could cause link interference between nearby ... coupling between adjacent links caused by bistatic scattering could be significant even in light rain The seventh paper by J Nsenga et al is related to the baseband system design in which two new...

Ngày tải lên: 22/06/2014, 19:20

... Information Theory Aspects Part2 focus on information theory aspects of MIMO systems, including diversity-gain of MIMO systems, which highlight the trade-off between capacity and bandwidth X Preface ... obtained from orders@intechweb.org MIMO Systems, Theory and Applications, Edited by H Khaleghi Bizaki p cm ISBN 978-953-307-245-6 free online editions of InTech Books and Journals can be found at www.intechopen.com ... Multi-Device STBC-MIMO Systems Daniel C Lee and Muhammad Naeem Part Application and Case Studies 315 333 Chapter 14 Analysis and Mitigation of Phase Noise in Centralized/De-centralized MIMO Systems 335...

Ngày tải lên: 27/06/2014, 01:20

... determined by the designed schedule (Cho et al., 2007) 10 Embedded Systems – Theory and Design Methodology Generally, it has been argued that there is a wide gap between scheduling theory and its ... analysis and filtering Also, in control systems, jitter can greatly degrade the performance by varying the sampling period (Torngren, 1998; Marti et al., 2001) 14 Embedded Systems – Theory and Design ... with CAN-based distributed systems" , Microprocessors and Microsystems, Vol 31(5), pp 326-334 Baker, T.P and Shaw, A (1989) “The cyclic executive model and Ada Real-Time Systems , Vol (1), pp 7-25...

Ngày tải lên: 28/06/2014, 17:20

... sensors and instrumentation are studied and examined with respect to their associated signal processing components and methods of rendering a thickness measurement Calibration and standardization ... to External Control and Automation Systems – The gauging system must communicate and interact with the mill / line’s related control, automation and high level production systems Measured thickness ... specifiable bandwidth and / or first-order, step function response Although the fundamental measurement signal may have a relatively wide bandwidth, external equipment may have lower bandwidth input and...

Ngày tải lên: 27/07/2014, 23:42