Báo cáo hóa học: " Selective sensing and transmission for multi-channel cognitive radio networks" doc

... al.: Selective sensing and transmission for multi-channel cognitive radio networks. EURASIP Journal on Wireless Communications and Networking 2011 2011:7. Submit your manuscript to a journal and ... sensed, and with SS-SA strategy, SU can effectively utilize the channels and consume less energy and time for sensing than adopting reference strategies. Keywords:...

Ngày tải lên: 21/06/2014, 03:20

... universally accessible in various formats online, and for the processes required for the article's inclusion in PubMed and its archiving in PubMed Central, e- Depot, Potsdam and INIST. There is no ... possible dissemination of their work; and to science and society in general, through facilitation of information availability and scientific advancement. We ask for your s...

Ngày tải lên: 19/06/2014, 22:20

... the most specific and intense parent-daughter ion transitions for each com- pound for the tandem MS detection (see Table 2). Results and discussion Optimization of enrichment and chromatography Increasing ... for each compound are listed in Table 2 and were performed with continuous flow injections of standard solutions of all analytes with a Six-port switching valve arrangement...

Ngày tải lên: 20/06/2014, 00:20

... reducing agents and external energy. Therefore, this approach is facile and inexpensive method for the shape -selective synthesis of AuNPs, even without any additional reagents and sophisticated ... solution was shaken for homogenization and kept at different temperatures (4°C, 25°C, 45°C, and 65°C) for the reac- tion to proceed. Different concentrations of reactants (metal i...

Ngày tải lên: 20/06/2014, 22:20

... and design of the study, data acquisition, and data analysis and interpretation. JFT drafted the manuscript. All authors critically revised the manuscript for important intellectual content and ... H, Bouvet A, Lemarchand F, Le Coutour X: Hand-rubbing with an aqueous alcoholic solution vs traditional surgical hand-scrubbing and 30-day surgical site infection rates: a randomized eq...

Ngày tải lên: 21/06/2014, 01:20

... we formulate the robot performance as a linear quadratic control problem. This approach requires only a handful of parameters and seems to be particularly effective for generating realistic and ... task for robots as it involves online perception and precise synchronization. In this paper, we present a consistent and theoretically sound framework for combining percep- tion and...

Ngày tải lên: 21/06/2014, 17:20

... with comfort and wearability (properties of standard, non-elec- tronic garments). Many textile-based sensors are actually sensing materials used to coat a textile [1] or sensing mate- rials formed ... time, and specificity of response is necessary. Background We live in a world of information, and emerging technol- ogies compel us to look for new ways to collect, process, and di...

Ngày tải lên: 19/06/2014, 10:20

... phone); (4) building material (floor and walls); (5) number of chick- ens, goats, pigs and cows owned; and (6) use of land for Table 1 Study aims and the quantitative and qualitative methods applied ... characteristics; (2) information on clinical attendance, birth and infant feeding; (3) PMTCT practice at the clinic (counselling and t esting for HIV); and (4) knowledge ab...

Ngày tải lên: 20/06/2014, 08:20

... acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Knowledge of HIV transmission and condom use among HIV-positive heterosexual men and women in Guatemala Journal ... downloaded, printed and distributed freely for any purposes (see copyright notice below). Articles in Journal of the International AIDS Society are listed in PubMed and archi...

Ngày tải lên: 20/06/2014, 08:20

... 7. Notation:( ·) H is reserved for the matrix Hermitian, (·) −1 for the matrix inverse, ( ·) T for the matrix (vector) transpose, ( ·) ∗ for the complex conjugate, for the Kronecker product, tr {·} for the trace ... matrices  M l and  H l describe the LOS and scattered components, respectively. We assume that the elements of  M l ,foralll are complex as (1 + j)/ √ 2 and th...

Ngày tải lên: 21/06/2014, 11:20