... 13 RESEARCH Open Access Beamforming techniques for enabling spatial- reuse in MCCA 802. 11s networks Y Lebrun 1,2* , K Zhao 4 , S Pollin 1 , A Bourdoux 1 , F Horlin 3 ,SDu 4 and R Lauwereins 1,2 Abstract We ... beam- forming vector w 2 and h cl . This is challenging to imple- ment in an IEEE802 .11s network as joint beamforming is necessary and a centralized processor must...
Ngày tải lên: 20/06/2014, 22:20
... maintains all free slots as a continuous area by constructing each burst in the corner of the available bandwidth area for minimizing external fragmentation; BCO shrinks the burst area to minimize ... IEEE 802. 16 base stations, in Proceedings of the 22nd International Conference on Advanced Information Networking and Applications, 472–479 (March 2008) 13. E Hopper, BCH Turton, An empi...
Ngày tải lên: 20/06/2014, 22:20
báo cáo hóa học:"Phylogenetic evidence for the distinction of Saaremaa and Dobrava hantaviruses" pdf
... strains. This part of the S segment includes almost complete coding region for the N protein. Accession numbers for the sequences are given in Table 1. Since recombinant sequences might influence ... of recombinant origin. Although we have found some indications on a recombinant origin of the strain Lolland (in particular, nt 200–460 were most simi- lar to the Estonian SAAV strains, wh...
Ngày tải lên: 20/06/2014, 04:20
báo cáo hóa học: " Nonlocal conditions for differential inclusions in the space of functions of bounded variations" ppt
... and Karlin (see Corollary 11.3 in [8]) has a fixed point in Σ, which is a solution of the inclusion (2), and there- fore a solution of (1). Acknowledgements The authors are grateful to King Fahd ... DC: Multivalued mappings and fixed points II. Tamkang J Math 2006, 37:27-46. 17. Agarwal RP, O’Regan D: Set-Valued Mappings with Applications in Nonlinear Analysis. In Series in Mathem...
Ngày tải lên: 21/06/2014, 02:20
báo cáo hóa học: " Selected basis for PAR reduction in multi-user downlink scenarios using lattice-reduction-aided precoding" doc
... combines mapping and pre- coding by applying different sortings in each subcarrier. In particular, different instances of THP are generated by considering different permutations of the users in each ... multiplications with Gaussian integers are not incorporated into the counting. In the following, we assume that t he channel remains constant for t he duration of N B OFDM symbols. H...
Ngày tải lên: 21/06/2014, 02:20
báo cáo hóa học:" CTLA4 blockade increases Th17 cells in patients with metastatic melanoma" pdf
... intracellular cytokine stainingFigure 3 Increase in Th17 cells after tremelimumab-based therapy by intracellular cytokine staining. A) Gating strategy for IL-17 intracellular staining. Starting from either ... [26-29], a finding that is not that surprising taking into account that these antibod- ies are blocking but not depleting antibodies for CTLA4 positive cells. Also, the number of...
Ngày tải lên: 18/06/2014, 15:20
báo cáo hóa học:" High abundances of neurotrophin 3 in atopic dermatitis mast cell" pdf
... role for NT-3 in the pathogenesis of allergic skin diseases. Introduction The atopic dermatitis (AD) is a persistent relapsing inflammatory skin disease associated with dry skin, itch- ing and ... that inflammatory processes induce NT-3 [34], since in AD this takes place in the skin it represents a potential site for the systemic NT-3 release. The roles of NT-3 in the biology of t...
Ngày tải lên: 20/06/2014, 00:20
Báo cáo hóa học: " Research Article Opportunistic Data Collection in Sparse Wireless Sensor Networks" docx
... and latencies in the order of 160 minutes, in line with those displayed by the best performers in the test. This means CHARON can provide top-quality service to messages that require it, while maintaining ... routing efficiency through simulation results. In this section, we extend and enrich CHARON analysis by discussing its performance in an experimental scenario involving real WSN...
Ngày tải lên: 21/06/2014, 11:20
Báo cáo hóa học: "A framework for ABFT techniques in the design of fault-tolerant computing systems" pot
... to produce distinct syndromes for a l arge class of errors appearing in the processing ou t- puts. Figure 2 employs convolution code parity in detecting and correcting processing errors. 3.4. ... corrected errors introduced in the data processing system. Concurrent parity values techniques are very useful in detecting numerical error in the data processing operations, where a si...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo khoa học: "Annealing Techniques for Unsupervised Statistical Language Learning" ppt
... readers to Klein and Manning (2002) or Cover and Thomas (1991, p. 72) for details; computing expected counts for a sentence is a closed form operation. Klein and Manning’s argument for this initialization ... 2,000 sentences (48,526 words) for testing. The remain- ing 47,208 sentences (1,125,240 words) were used in training, without any tags. The tagging dictionary was constructed u...
Ngày tải lên: 23/03/2014, 19:20