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báo cáo hóa học: " Low PAPR space frequency block coding for multiuser MIMO SC-FDMA systems: specific issues for users with different spectral allocations" ppt

báo cáo hóa học:

báo cáo hóa học: " Low PAPR space frequency block coding for multiuser MIMO SC-FDMA systems: specific issues for users with different spectral allocations" ppt

... 2011:54http://asp.eurasipjournals.com/content/2011/1/54Page 3 of 10RESEARCH Open Access Low PAPR space frequency block coding for multiuser MIMO SC-FDMA systems: specific issues for users with different spectral allocationsCristina Ciochina*, ... technique for SC-FDMA, coined single-carrier space frequency block coding (SC-SFBC), was already introduced for user with two t ransmit antennas in [11], and some extensions to users with four ... the PAPR. The aim of this arti cle is to extend the SC-SFBC con-cept to the multiuser (MU) -MIMO SC-FDMA scenario,by notably taking into account the specific issues of users with different spectral...
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báo cáo hóa học:" Research Article Space-Frequency Block Code with Matched Rotation for MIMO-OFDM System with Limited Feedback" pdf

... presents a novel matched rotation precoding (MRP) scheme to design a rate one space- frequency block code (SFBC)and a multirate SFBC for MIMO- OFDM systems with limited feedback. The proposed rate ... SFBC with MRP canovercome the diversity loss for specific propagation scenarios, always improve the system performance, and demonstrate flexibleperformance with large performance gain. Therefore ... full-diversity space- frequency codes with optimum coding advantage,” IEEETransactions on Information Theory, vol. 51, no. 1, pp. 229–249, 2005.[14] L. Shao, S. Roy, and S. Sandhu, “Rate-one space frequency block...
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Báo cáo hóa học: " Low-Complexity Decoding of Block Turbo-Coded System with Antenna Diversity" pot

... revised form 30 April 2003The goal of this paper is to reduce the decoding complexity of space- time block turbo-coded system with low performance degra-dation. Two block turbo-coded systems with ... near-optimum block turbo decoder with coding gain loss of 0.5 dB atthe BER of 10−5over AWGN channel.Keywords and phrases: block turbo code, space- time block code, low- complexity decoding, soft decoding.1. ... new efficient decoding scheme for the soft de- coding of STBC is presented. It achieves the same optimumperformance with up to 70% hardware complexity reduc-tion. This space- time block decoder...
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Báo cáo hóa học: " Research Article Combined Distributed Turbo Coding and Space Frequency Block Coding Techniques" pptx

... Distributed Space- Frequency Coding (DSFC) or the application of theexisting space- time /frequency codes in a distributed manner for the wireless relay-based systems. The use of Space- Time Block Coding ... global coding rate being Rg= 1/3.The scenarios selected for performance evaluation con-sider the cooperative topologies with two RNs and with oneRN (see Figure 1) and are described below; ... concept of Distributed Space- Time Coding (DSTC) wasintroduced in [6, 7]. This approach allows single-antennadevices to gain some benefits from spatial diversity withoutthe need for physical antenna...
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Báo cáo hóa học: " Research Article Space-Time-Frequency Characterization of 3D Nonisotropic MIMO Multicarrier Propagation Channels Employing Directional Antennas" doc

... propose a closed-form formula for the space- time correlation function for MIMO systems.¨Ozdemir etal. suggest a model to combine improved sum-of-sinusoidssimulation models proposed for fading ... performance of space- frequency coded MIMO- OFDM,” IEEE Journal on SelectedAreas in Communications, vol. 21, no. 3, pp. 427–439, 2003.[2] A. Abdi and M. Kaveh, “A space- time correlation model for multielement ... final form of the CCF. For the scenario when propagation happens in the 2D azimuthplane, we have FE;k= 1/2π for all k,andGk1,k2= 0fork2/=0,and Gk1,k2= Gk1 for k2= 0. Therefore,...
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Báo cáo hóa học: " Low temperature of radiofrequency ablation at the target sites can facilitate rapid progression of residual hepatic VX2 carcinoma" pdf

... threetimes for 3 min with PBS, and blo cked with a solution of30 mL/L hydrogen peroxide in ethanol for 10 min at roomtemperature. They were immersed in 30 mL/L normalhorse serum for 10 min ... treated with RFA at 55°C;group II was treated with RFA at 70°C; group III wastreated with RFA at 85°C; and the control group receivedlaparotomy, RFA probe puncture but no ablation. RFAwas performed ... fractionated by 10%SDS-PAGE and followed by electrotransfer onto nitrocel-lulose filters (Bio-Rad, CA, USA). The filters were blockedat 4°C overnight with a blocking buffer (pH 7.6) that con-tained...
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Báo cáo hóa học: "Regulatory T cell frequency in patients with melanoma with different disease stage and course, and modulating effects of high-dose interferon-a 2b treatment" pptx

... TerminologyCriteria for Adverse Events (NCI-CTCAE) version 3.0was used to assess toxicity.Statistical methodsAll analyses were performed using the Statistical Pack-age for Social Sciences for Windows, following ... patients with melanoma received IFN-a 2b treatment and were evaluated for Treg levels.Before treatment, Treg levels were significantly higher in patients with melanoma when compared with data ... data for the Treg assay. RC and GC were responsible for the TGF-b and IL-10 assays. MCe and GB were involved with the autoantibody assay.VDR was responsible for radiologic evaluation for neoadjuvant...
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báo cáo hóa học: " Low plasma progranulin levels in children with autism" ppt

... tivity versus 1-specificity at different cut-off values of the studied variable. The uppermost leftpoint represents the best cut-off value (based on the high-est sensitivity with the lowest false ... reactions with the production of brain -specific auto-antibodies ingenetically susceptible individuals. These antibodies maycross the blood brain barrier and combine with braintissue antigens forming ... Kashanian A, Bock K, Vojdani E:Antibodies to neuron -specific antigens in children with autism: possiblecross reaction with encephalitogenic proteins form milk, Chlamydiapneumoniae and Streptococcus...
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báo cáo hóa học: " Low ficolin-3 levels in early follow-up serum samples are associated with the severity and unfavorable outcome of acute ischemic stroke" pptx

... concentration with the outcome of the disease in 65 patients with ischemic stroke Panel A: Distribution of the patients with different outcome of the disease among patients with low (<6), ... approaches for a disease with a rather limited therapeutic arsenal at present. Figure 4 11 According to our second observation, lower level of ficolin-3 in the follow-up samples were associated with ... ficolin-3 and CRP levels as low/ high values. Ficolin-3 levels below or equal to the median (16 µg/ml for both the admission and follow up samples) were considered low, while those above the median...
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báo cáo hóa học:

báo cáo hóa học:" Low RBM3 protein expression correlates with tumour progression and poor prognosis in malignant melanoma: An analysis of 215 cases from the Malmö Diet and Cancer Study" potx

... recurrence f ree survival (RFS). Follow-upstarted at date of diagnosi s and ended at recurrent dis-ease, death, lost to follow-up (emigration) or last date offollow- up with regard to recurrent disease. ... towards a prolonged OS for tumours with highRBM3 expression (RR = 0.48; 95%CI = 0.18-1.24). Inmelanomas > 1 mm (n = 84), RBM3 was not associat ed with RFS (data not shown) but with a significantlyimproved ... normal and cancerous tissues (data notshown). Although being a semi-quantitative method,IHC has several advantages since it allows for asses s-ment of protein expression in different sub-cellularcompartments,...
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