performance evaluation for zero forcing receiver

... than 3, so the performance of conventional feedback with bits is showed here to stand for performance of conventional feedback with different feedback bits It can be seen that the performance is ... coding, zero forcing (ZF) [7–10] is proposed as the suboptimal solution and the performance of ZF is close to DPC in many scenarios [11] ZF technique needs CSI between BS and UEs while performing ... conventional feedback, the performance gain of USS feedback is nearly constant with SNR increase, so the performance gain is not decreased in high SNR region and the performance gain is about bits/Hz...

Ngày tải lên: 20/06/2014, 20:20

... than 3, so the performance of conventional feedback with bits is showed here to stand for performance of conventional feedback with different feedback bits It can be seen that the performance is ... coding, zero forcing (ZF) [7–10] is proposed as the suboptimal solution and the performance of ZF is close to DPC in many scenarios [11] ZF technique needs CSI between BS and UEs while performing ... conventional feedback, the performance gain of USS feedback is nearly constant with SNR increase, so the performance gain is not decreased in high SNR region and the performance gain is about bits/Hz...

Ngày tải lên: 21/06/2014, 17:20

... DESIGN, ANALYSIS, AND PERFORMANCE EVALUATION FOR HANDSHAKING BASED MAC PROTOCOLS IN UNDERWATER ACOUSTIC NETWORKS NG HAI HENG (B.Eng (Hons), MMU ) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR ... throughput performance of MAC protocols in static multi-hop wireless networks We first present a simple, adapted MACA MAC protocol, which can serve as a reference MAC for a better performance benchmarking ... have a huge impact on the network performance such as throughput, delay, energy consumption, etc In this dissertation, we focus on the protocol design, performance evaluations and theoretical analysis...

Ngày tải lên: 09/09/2015, 18:49

... Performance Evaluation of Active Suspension for Passenger Cars Using MATLAB suspension can gave better performance of suspension by having force actuator, which is a ... Pune, India | Page Performance Evaluation of Active Suspension for Passenger Cars Using MATLAB (2) (3) Similarly, from Fig 2, Equation of Motion for unsprung mass is given below: For , (4) (5) (6) ... Force and Generated Force by the actuator are shown in Fig The Excitation Force gets cancelled by the Generated Force This indicates the efficiency of the PID controller By comparing the performance...

Ngày tải lên: 16/02/2014, 09:13

... 2Financial Statement Analysis: A Tool for Performance Evaluation Jan 2010 3Financial Statement Analysis: A Tool for Performance Evaluation ABSTRACT Financial statements are prepared ... finding on its performance and to see if there is any connection between the recent global economic crisis and its overall performance 4Financial Statement Analysis: A Tool for Performance Evaluation ... indicators of bank`s performance is the behavior of their stock prices because it reflects the market’s evaluation of the bank’s performance which is also used as part of performance evaluation Moreover,...

Ngày tải lên: 25/03/2014, 12:15

... 2Financial Statement Analysis: A Tool for Performance Evaluation Jan 2010 3Financial Statement Analysis: A Tool for Performance Evaluation ABSTRACT Financial statements are prepared ... finding on its performance and to see if there is any connection between the recent global economic crisis and its overall performance 4Financial Statement Analysis: A Tool for Performance Evaluation ... indicators of bank`s performance is the behavior of their stock prices because it reflects the market’s evaluation of the bank’s performance which is also used as part of performance evaluation Moreover,...

Ngày tải lên: 25/03/2014, 12:15

... (14) (15) 11 D Performance Evaluation for Zero Forcing Receiver In this section, we will calculate probability of bit error for Zero- Forcing receiver (ZF) [18, 19] to examine the performance of ... trade-off The performance of MIMO OFDM–CDMA scheme using STFdomain spreading is investigated with zero- forcing (ZF) receiver It is also shown that larger diversity gains can be achieved for a given ... gains We derive new accurate approximations for the probability of symbol error and signalto-interference noise ratio (SINR) for zero forcing (ZF) receiver This study and simulation results show...

Ngày tải lên: 18/06/2014, 22:20

... number of users D Performance Evaluation for Zero Forcing Receiver In this section, we will calculate probability of bit error for Zero- Forcing receiver (ZF) [18,19] to examine the performance of our ... trade-off The performance of MIMO OFDM-CDMA scheme using STF-domain spreading is investigated with zero- forcing (ZF) receiver It is also shown that larger diversity gains can be achieved for a given ... multiple-access (MC DS-CDMA) using STS was proposed This scheme shows good BER performance with small number of users and however, the performance of the system with larger MUI was not discussed Recently,...

Ngày tải lên: 20/06/2014, 21:20

... improve the heat convective performance, but will also increase the pipeline pressure drop and pumping energy Using nanofluid with a high heat convective performance for heat exchange can help ... cooling performance of nanofluid using air-cooled heat exchangers under the conditions for different concentrations, temperatures, nanofluid mass flow rates Figure shows the experimental setup for ... 106:094312 doi:10.1186/1556-276X-6-488 Cite this article as: Teng et al.: Performance evaluation on an air-cooled heat exchanger for alumina nanofluid under laminar flow Nanoscale Research Letters...

Ngày tải lên: 21/06/2014, 01:20

... Diagonalization To remove the intracluster interference, a practical linear zero forcing can be employed Applying multiuser zero forcing to multiple-antenna users requires block diagonalization (BD) ... intercell interference For B = one tier of interfering clusters is considered, while for B = two tiers of interfering cells are accounted for Numerical Results In this section, the performance results ... Foschini, and R Valenzuela, “Optimum zero- forcing beamforming with per-antenna power constraints,” in Proceedings of the IEEE International Symposium on Information Theory (ISIT ’07), pp 101–105,...

Ngày tải lên: 21/06/2014, 05:20

... MANET Performance Considering BATMAN and AODV Protocols Proc of BWCCA-2010 94–101 12 Ikeda M, Barolli L, Hiyama M, Yang T, De Marco G, Durresi A (2009) Performance Evaluation of a MANET Testbed for ... the median value for four different flows (source node ® destination node) For horizontal topology, we notice that there is a better performance in both delay and jitter metrics, for HM1 scenario ... Figure 5(b) is shown the delay results for HM1 scenario For #1 ® #4 flow and #1 ® #5 flows there are some oscillations, but the median values show good performance For HM2 scenario, we show results...

Ngày tải lên: 21/06/2014, 06:20

... (RAUR) algorithm and provide performance comparison with other routing algorithms We also conduct an approximated mathematical analysis for the RAUR to analyze its performance RAUR is a source routing-based ... model for RAUR to give out an insight of its performance changing trends In future studies, more realistic traffic, for example, TCP or UDP traffic application and multimedia traffic, will be used for ... compute a timeout value suitable for that particular situation For example, such timeout could be set according to the Maximum number of hops we allow for each RREQ to be forwarded Let us denote, timeout...

Ngày tải lên: 21/06/2014, 17:20

... calculated based on the closedform zero forcing solution in order to avoid multiple zero forcing iteration rounds The role of the beam selection is to make the problem of zero forcing relatively easy, ... orthonormal zero forcing processor at the terminal The underlying assumption in the transmit-receive zero forcing strategy is that the receivers employed both in the DL and the UL are zero forcing ... orthonormal receiver processor matrix for user k The zero forcing criterion between users can be expressed as FH Hk Ci = 0, k i = k, / (7) which implies that the receiver finishes up the zero forcing...

Ngày tải lên: 21/06/2014, 22:20

... algorithms for DRE systems are implemented using RACE, they yield a predictable and high -performance system, even in the face of changing operational conditions and workloads (iii) The empirical evaluation ... ratio of applications as the metric to evaluate system performance For every sampling period of RACE’s Controller, deadline miss ratio for each application was computed as the ratio of number ... of DSMLs and tools, such as PICML, provide an integrated platform for building such systems and are emerging as an operating platform for these systems Although CIAO/DAnCE and PICML alleviate many...

Ngày tải lên: 22/06/2014, 00:20

... the performance of the CPIC receiver, and we can see that the APIC outperforms the CPIC for μ ∈ (0, 0.5) Under the same simulation settings, the BER performances of the one- and two-stage APIC receiver ... the one-stage APIC receiver achieves its best performance at μ = 0.3 However, for the two-stage APIC receiver (with the step-size of the first stage being μ1 = 0.3), the best performance is at the ... receiver for the multicarrier DS-CDMA system over Rayleigh fading channels and evaluated the performance of the system A closed form expression of the BER is originally derived for the APIC receiver, ...

Ngày tải lên: 22/06/2014, 19:20

... Communications and Networking MRC Zero- forcing − Rc CT y11 HH 11 x1 ··· yu1 Zero- forcing − Rc CT HH u1 yu2 Zero- forcing − Rc CT HH u2 xu ··· Zero- forcing − Rc CT yup HH up ··· Zero- forcing − Rc CT yqp HH ... illustrate a range of performance results for all the MUD schemes considered in this contribution PERFORMANCE RESULTS In this section, we show a range of BER performance results for the MC DS-CDMA ... the near single-user BER performance Instead, as shown in Figure 5, at the BER of 10−3 the BER performance of the OZF-MUD is more than dB worse than the single-user BER performance As shown in Figure...

Ngày tải lên: 22/06/2014, 19:20

... obtain performance results for odd integer as well as noninteger values of m For convenience, we note here some of the key expressions presented in [7] that are relevant to our discussion For an ... comprehensive study of the performance of digital modulations over the Weibull slow flat-fading channel has been conducted It is well known that, in general, the performance of any communication ... order Nq by P [Nq −1/Nq ] (s, m, γ) PERFORMANCE OF DIGITAL MODULATIONS OVER THE WEIBULL FADING CHANNEL In [7], based on the obtained closed-form expression for the Weibull MGF, and using the MGF...

Ngày tải lên: 22/06/2014, 22:20

... that, for SNR ≤ 20 dB, the proposed ZF-subopt equalizer again outperforms significantly the ZF-blm equalizer and, moreover, performs very close to the minimal norm ZF-opt equalizer The performance ... paper, we assume that, for each antenna, the coefh /2 ficients {hq,n ( )}Q=−Qh /2 are perfectly known at the receiver, q for all ∈ {0, 1, , Lh } Finally, accounting for (2) and collecting the ... )e j(2π/P)qk + v(k), for k ∈ K, =0 q=−Qh /2 (3) where hq ( ) [hq,1 ( ), hq,2 ( ), , hq,N ( )]T ∈CN and v(k) [v1 (k), v2 (k), , vN (k)]T ∈ CN LINEAR TIME-VARYING ZERO- FORCING EQUALIZATION...

Ngày tải lên: 22/06/2014, 23:20