time 2pt multiantenna systems with high data rates

Ngày tải lên: 26/01/2014, 07:20

... expression given by (2) and its particular cases could be useful with respect to channel capacity modeling of multiantenna systems with Nakagami fading The given expressions involve the digamma, ... Maple and Mathematica REFERENCES [1] F Zheng and T Kaiser, “On the channel capacity of multiantenna systems with Nakagami fading,” EURASIP Journal on Applied Signal Processing, vol 2006, Article ... Kotz is a distinguished Professor of statistics in the Department of Engineering Management and Systems Engineering, the George Washington University, Washington, DC, USA He is the Senior Co-editor-in-Chief...

Ngày tải lên: 22/06/2014, 19:20

... research interest focuses on applied signal processing with emphasis on multiantenna systems, especially its applicability to ultra-wideband systems 11 ... conclude that the lower bound described by (30) is a useful performance measure for the wireless systems with the Nakagami fading To use (30), we need to know the distribution of det(ImY + (S/mX σN ... communication channel does not support a target data rate Thus, according to [10], outage probability, denoted by Pout (R), is defined as follows With a given rate R, we associate a set ΘR in the...

Ngày tải lên: 22/06/2014, 23:20

... MSE with soft [8] In [9], the author proposes the Linear MM ISI cancellation in a turbo equalization stru ucture for HF medium data rate standard and extends the r results for high data rates ... rates in [10] with some tweaking in th algorithm in he order for the iterative procedure to conver rge The turbo equalization for the high data rates is also pr roposed in [1112] with less details ... for the high data rates HF in [13] Howe ever, the final performance does not meet the standard requir rements for the higher constellations The authors show a performance limitation even with increasing...

Ngày tải lên: 20/12/2014, 20:44

... requires high speed reliable wireless systems for multimedia communications services, including voice, data, and image The tremendous growth in demand for higher data rates is now out of the range of ... Architecture of Space -Time) as communication architecture for the transmission of high data rates using multiple antennas at the transmitter and receiver In the proposed BLAST system the data stream is ... 3.10 BEP of BPSK with Alamouti’s STBC with one receive antenna 61 3.11 BEP performance of × rate-3/4 STBC with 3BTW 62 3.12 BEP performance of × rate-3/4 STBC with PSAM ...

Ngày tải lên: 16/09/2015, 08:31

... unit time between the production system with two rates and the one with a single rate Moreover, the developed model is extended to consider N production rates and the optimal control policy with ... production system with only normal rate keeps high inventory, i.e the base-stock level is high Even with a high base-stock level, the expected number of Chapter Multiple Production Rates and One ... highest Chapter Introduction and Literature Review For the case where lead-times of emergency replenishments are only one unit time, an approximate total cost is obtained Inventory systems with...

Ngày tải lên: 27/11/2015, 12:23

... can be carried out without any extra increase in the fan-out As an example, in the case where f = 2, binarization of a LCFRS would result in parsing time of O(|G| · |w|6 ) With the motivation ... G with f (G) = and r(G) = • hD1 →D2 (X) = X \ D1 ; if D1 ⊆ X ∧ D2 is always possible without increasing the X fan-out, and that if r(G) ≥ then this is no longer true Consider the LCFRS proWith ... position set with fan-out ≤ If X has more than two elements, then it contains at least a pair of adjacent position sets 991 X ∪X in our data structures Ve and Va is then performed in constant time, ...

Ngày tải lên: 23/03/2014, 16:21

... difficulty with this approach when trying to apply it to unperturbed fractional order differential systems and associated perturbed fractional order differential systems with an initial time difference ... growing motions with initial time difference Problems Nonlinear Anal Eng Syst 1, 50–66 (2000) 19 Yakar, C: Strict Stability Criteria of Perturbed Systems with respect to Unperturbed Systems in term ... has been difficulty with this approach when trying to apply it to unperturbed fractional differential systems [14,15] and associated perturbed fractional differential systems with an ITD The difficulty...

Ngày tải lên: 20/06/2014, 22:20

... ultra -high data rate TRMIMO-UWB system with space -time precoding Multiple antennas can increase data rate, whereas the occurrence of MSI degrades the system performance The ultra -high data rate ... TR-MIMO-UWB with Space -Time Precoding 3.1 System Description A TR-MIMO-UWB communication system includes a transmitter equipped with Nt antennas and a receiver equipped with Nr antennas Nr parallel data ... the discrete noise component 3.2 Space -Time Precoding Matrix Design In order to transmit Nr parallel data streams simultaneously at a very high data rate without losing performance, the MSI and...

Ngày tải lên: 21/06/2014, 05:20

... problems of dynamic systems such as time- delay and continuous -time/ digital hybrid systems and in those involving switches among different parameterizations This paper is concerned with the investigation ... dynamic systems, ” International Journal of Systems Science, vol 14, no 4, pp 367–383, 1983 25 M De la Sen and N Luo, “On the uniform exponential stability of a wide class of linear time- delay systems, ” ... i−1 dom, codom and with the ith derivative is bounded piecewise continuous, respectively, piecewise continuous in the definition domain Caputo Fractional Linear Dynamic Systems with Point Constant...

Ngày tải lên: 21/06/2014, 05:20

... elastodynamic systems, ” SIAM Journal on Control and Optimization, vol 37, no 2, pp 521–542, 1999 10 E K Boukas, “State feedback stabilization of nonlinear discrete -time systems with time- varying time ... exponential stabilizability of discrete -time systems with time- delayed states Finally, as an application, we consider the global stabilization of the nonlinear control systems Preliminaries In this paper ... discrete -time feedback systems and applications,” Automatica, vol 40, no 12, pp 2129–2136, 2004 19 I Karafyllis, “Non-uniform in time robust global asymptotic output stability for discrete -time systems, ”...

Ngày tải lên: 21/06/2014, 20:20

... of constant time- delay neutral systems with time- varying structured uncertainties was investigated [4] Han [5] obtained delay-dependent stability conditions for uncertain neutral time- varying ... the traditional uncertain neutral system with time- varying delays Remark Li [8] considered the stability of neutral type descriptor systems with constant time- delay, and the system did not include ... conservative Zhao [6] dealt with the problem of delay-dependent robust stability for delay neutral type control system with time- varying structured uncertainties and time- varying delay Some new...

Ngày tải lên: 21/06/2014, 20:20

... 802.16e PMP (point-to-multipoint) system with one single cell with a total of K MSs within its cell area with no interference sources We consider only the time division duplexing (TDD) scheme; thus ... number of the time slots Several MRUs may be grouped into a data region or burst (see Figure 1), formed by successive MRUs in frequency and in time directions Both the MRU and the data region always ... insertion Data flow Control Figure 2: Protocol stack at the BS and layers interaction (ii) real -time polling service (rtPS) class: fitted to support real -time SFs that generate variable data packets...

Ngày tải lên: 21/06/2014, 23:20

... the data rates of Table In addition, to emphasize on the performance gain at low data rate, Figure exhibits comparative results of the two systems The plotted curves give for each targeted data ... results essentially highlight that the MBOA solution based on TSF and conjugate symmetric is not efficient In addition, for data rates higher than 200 Mbit/s, the LP-OFDM performance with r = 1/2 is ... A 64-state convolutional code with a rate varying from 1/3 to 3/4 is used, leading to different data rates from 53.3 to 480 Mbit/s listed in Table For the first two data rate modes, each complex...

Ngày tải lên: 22/06/2014, 06:20

... matrices with complex entries, respectively If · is any norm on Cn , the associated induced norm of a matrix A ∈ Mn is defined by A sup x∈Cn Ax x 2.1 Consider the nonlinear discrete -time system with ... just of interest for systems with “slowly changing” matrices The purpose of this section is to apply a new method to investigate the stability of system 4.1 , which combined with the “freezing ... 4.23 Remark 4.5 This approach is usually not applicable to the time- varying delay case, because the transformed systems usually have time- varying matrix coefficients, which are difficult to analyze...

Ngày tải lên: 22/06/2014, 06:20

... the data rates of Table In addition, to emphasize on the performance gain at low data rate, Figure exhibits comparative results of the two systems The plotted curves give for each targeted data ... results essentially highlight that the MBOA solution based on TSF and conjugate symmetric is not efficient In addition, for data rates higher than 200 Mbit/s, the LP-OFDM performance with r = 1/2 is ... A 64-state convolutional code with a rate varying from 1/3 to 3/4 is used, leading to different data rates from 53.3 to 480 Mbit/s listed in Table For the first two data rate modes, each complex...

Ngày tải lên: 22/06/2014, 19:20

... Space -time coded multiantenna OFDM under transmitter and receiver I/Q mismatches A multiantenna space -time coded transmission system utilizing × M Alamouti transmit diversity scheme [5] combined with ... space -time coding principle in the considered multiantenna scenario, and it is nicely incorporated in the system-level SIR analysis philosophy presented in Section Thus, in multiantenna systems with ... receivers for systems with IQ imbalances,” IEEE Transactions on Signal Processing, vol 53, no 9, pp 3583–3596, 2005 [21] A Tarighat and A H Sayed, “Space -time coding in MISOOFDM systems with implementation...

Ngày tải lên: 22/06/2014, 19:20

... algorithmic strategies for real -time multiantenna systems with high data rates With the perspective of real -time capable algorithm implementation for very high data rates, the complexity of The ... MIMO-OFDM with many carriers has to be processed in real time at very high data rate For indoor scenarios, the channel coherence time can be of some milliseconds which seems to be a quite relaxed time ... at high data rate The resulting variable data rate in a single-user scenario might appear unusual, but with an increasing number of users, a multiuser scheduling algorithm can control the data...

Ngày tải lên: 22/06/2014, 23:20

... (CVD), together with genetic data of about 50,000 SNPs These data were provided for participants to the genetic analysis workshop 16 (GAW16) The second dataset is the REGRESS dataset [4], which ... variables within the SNP dataset To remove the dependency within the longitudinal data, seven models were fitted, one for each of the seven intermediate risk factors The individual change pattern in time ... monomorphic SNPs and SNPs with more than 20% missing data, 99 SNPs remained and missing data were imputed Individuals without a baseline measurement and individuals with less than follow-up measurements...

Ngày tải lên: 12/08/2014, 17:20

... 3) for original synchronous data with equally spaced time interval ∆ and asynchronous data randomly selected from original synchronous data through Bernoulli trials with successful properties ... on the high frequency discrete observations X1 , , Xn , where Xi is the observation at time ti ∈ [0, T ] with T fixed The data are high frequency means that the sampling frequency n of the data ... Tick Time Sampling? The calendar time sampling means that ti s are equally spaced within some fixed time interval, such as 1-minute, or 5-minutes For example, the widely used exchange rates data...

Ngày tải lên: 10/09/2015, 09:09