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

... 2009. [19] D. Tandur and M. Moonen, “Joint compensation of OFDM frequency-selective transmitter and receiver IQ imbalance,” Eurasip Journal on Wireless Communications and Networking, vol. 2007, Article ... resulting in only a partial compensation of the transmitter and receiver IQ imbalance. The same holds true for the estimates of the FI transmitter and r...

Ngày tải lên: 21/06/2014, 08:20

... Architecture of FFT Processors with MIMO Configuration and Parallel Processing In Ta ble 1 , we have listed some essential parameters in several recent OFDM standards/drafts. Note that in UWB using MB -OFDM ... 499–506, 2005. [5]P.Y.Tsai,T.H.Lee,andT.D.Chiueh,“Power-efficient continuous-flow memory-base FFTprocessor for WiMAX OFDM mode,” in Proceedings of the International Symp...

Ngày tải lên: 21/06/2014, 08:20

... up in other accumulator banks consisting of 9 accumulators. After all the training symbols are received, during the reception of the guarding intervals of the next OFDM block, estimation and compensation ... I/Q mismatch interference, estimating I/Q mismatch using the estimated cosine value, and forming a sine estimator for CFO by removing I/Q mismatch in the received...

Ngày tải lên: 21/06/2014, 20:20

... Little information is known about the combination of sublinear and superlinear case of problem 1.1 .In 5, 6, they deal with the analogue of problem 1.1 when R N is replaced by a bounded domain ... the proof of Theorem 1.2, since observe t hat B3 and B4 imply b k ≤ d k < 0. Proof of Theorem 1.2. The proof follows from Propositions 3.1 and 3.2. References 1 H. Brez...

Ngày tải lên: 21/06/2014, 20:20

... mappings,” Journal of Functional Analysis, vol. 46, no. 1, pp. 126–130, 1982. 17 J. M. Rassias, “On approximation of approximately linear mappings by linear mappings,” Journal of Functional Analysis, ... Operators I, Springer, Berlin, Germany, 1983. 10 P. Gavruta, “An answer to a question of John M. Rassias concerning the stability of Cauchy equation,” in Advances in Equat...

Ngày tải lên: 22/06/2014, 11:20

... that there has been increasing interest in studying nonlinear differential equation and impulsive integrodifferential equation on an in nite interval with an in nite number of impulsive times; ... Problems 5 and Guo 6 .In 5, by using fixed-point index theory for cone mappings, Guo and Liu investigated the existence of multiple positive solutions of a boundary value problem f...

Ngày tải lên: 21/06/2014, 11:20

... Variational Inequalities In this section, we will introduce a new system of generalized nonlinear mixed variational inclusions which contains some classes of system of variational inclusions and systems ... in literature. 1. Introduction Variational inclusion problems are among the most interesting and intensively studied classes of mathematical problems and have wide applic...

Ngày tải lên: 21/06/2014, 20:20

... replacing X and Y by X − Z and Z − Y in M, respectively. T ⇒ M follows by replacing Y and Z in T with Y and 0, respectively. 4 Journal of Inequalities and Applications Proof. The sketch of ... Marshall and I. Olkin, Inequalities: Theory of Majorization and Its Applications, vol. 143 of Mathematics in Science and Engineering, Academic Press, New York, NY,...

Ngày tải lên: 22/06/2014, 02:20

... views into appropriate data format for later mining. Second, the mining unit performs the mining tasks according to our mining algorithms. After the comple- tion of mining phase, the clustering ... research interests include database, data mining, web mining, computer secu- rity, knowledge management, machine learning, virtual reality, and their applications. He is a Member of the ACM...

Ngày tải lên: 22/06/2014, 19:20

... effective bandwidth theory, the joint in uence of the channel fading, the data outsourcing process, and the scheduling discipline in the QoS metrics are studied. We obtain a closed-form expression of ... constraint given in terms of a delay constraint and a BER. The delay constraint consists of a target delay D t and the probability of exceeding it, ε. Three simple and w...

Ngày tải lên: 21/06/2014, 11:20