Báo cáo hóa học: " Research Article New Technique for Improving Performance of LDPC Codes in the Presence of Trapping S" doc

... Yonghui Li Trapping sets are considered the primary factor for degrading the performance of low-density parity-check (LDPC) codes in the error-floor region. The effect of trapping sets on the performance ... analysis of trapping sets and their impact on LDPC codes has been addressed in [3, 5–9]. The main approaches for mitigating the impact of trap...

Ngày tải lên: 21/06/2014, 23:20

... range. The further ahead we are looking, the smaller the gain of the predictor is. The way the frequency error is taken into account can be interpreted as a convolution of the line spectrum of the ... measurement, which indicates that there might be just one dominant sinusoid in the linear part of the channel, but more comparable dom- inant sinusoids in the r...

Ngày tải lên: 22/06/2014, 23:20

... and the reference given therein. Recently, also the critical point theory has aroused the attention of many authors in the study of these problems 4–12. The main aim of this paper is to investigate ... our main tools are critical points theorems for functional of type Φ −λΨ which insure the existence at least three critical points for every λ belonging to well-defi...

Ngày tải lên: 21/06/2014, 07:20

... to their desired BS benefit in the uplink. The reason for this opposite trend for the uplink and the downlink is elaborated in the following. Due to the specific point- to-multipoint structure in ... without interference avoid- ance, both in the uplink and the downlink. The impact of the BB specific threshold parameter that controls the interference imposed on...

Ngày tải lên: 21/06/2014, 23:20

... mitigate the e ffect of crosstalk. How- ever, the complexity of crosstalk cancellation grows with the square of the number of lines in the binder. Fortunately, most of the crosstalk originates from ... the complexity of crosstalk cancelation grows with the square of the number of lines in the binder. Fortunately, most of the crosstalk originates from...

Ngày tải lên: 22/06/2014, 20:20

... 1 (nonoverlapping) to 4 and then 16. In our current imple- mentation, we have adopted the averaging strategy in [22] in- stead of the Bayesian fusion formula in Section 4 (therefore, better performance is expected ... and reproduction in any medium, provided the original work is properly cited. 1. INTRODUCTION Depending on the presence of antialiasing filer, there are...

Ngày tải lên: 22/06/2014, 22:20

... d P,px (in pixel) in the u direction of the image. The ratio of d P,px with the period d P,mm (in millimeter) of the pattern LP reflected gives the image resolution in u direction of the image coordinate system. An ... lighting for the inspection task As discussed in the introduction, the use of an adapted struc- tured illumination within this work is...

Ngày tải lên: 22/06/2014, 19:20

... acceptable. On the other hand, the definition of D n is of some interest. If S i  S for each i  1, 2, ,N 1 , f i  f for each i  1, 2, ,N 2 and A i  A for each i  1, 2, ,N 3 , then Theorem 3.1 ... Fixed point theory and Its application. 5 S. Reich, “A weak convergence theorem for the alternating method with Bregman distances,” in Theory and Applications of Nonlinea...

Ngày tải lên: 21/06/2014, 05:20

... uncertainties. Generally, the main feature of these LMI conditions, in their dilated versions, consists in the introduction of an instrumental variable giving a suitable structure, from the synthesis ... LMIs. On the other hand, at the light of the results of Theorem 3.2, a controller which achieves the best global performance level can be obtained through the mi...

Ngày tải lên: 21/06/2014, 07:20

... intersection of the fixed point sets of a family of nonexpansive mappings see 5, 6. The problem of finding an optimal point that minimizes a given cost function over the common set of fixed points of a ... →∞. Proof. By the proof of Theorem 4.3 in 1 and applying Lemma 4.6 and Theorem 3.1,weobtain the following result. Theorem 4.7. Let E be a reflexive Banach space...

Ngày tải lên: 21/06/2014, 11:20