324 results for “Rate Control”

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Research ArticleOpen accessAll words, across the recordA New Hybrid Approach for Heterogeneous Radio Access Technology SelectionJ. Preethi, S. PalaniswamiProblem statement: The Next generation wireless networks are heterogeneous in nature where different Radio Access Technologies (RAT) coexists in the same coverage area. The user terminal should be able to pick the best access technology such as Wireless Local Area Network (WLAN), Wireless Wide Area Networks (WWAN), the Universal Mobile Telecommunication Systems (UMTS) and the Global System for Mobile Telecommunication … …Journal of Computer Science, Vol. 8, Issue 5 · 2 Mar 2012 · 7,037 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordCoherent Polarization Shift Keying Modulated Free Space Optical Links Over a Gamma-Gamma Turbulence ChannelX. Tang, Z. Ghassemlooy, S. Rajbhandari et al.Problem statement: The optical signal propagating through the Free Space Optical (FSO) channel suffers from irradiance and phase fluctuations caused by the atmospheric turbulence, which results in Bit Error Rate (BER) performance degradation. Approach: In this study the performance of the Multilevel Coherent Polarization Shift Keying (M-POLSK) based FSO communication system operating over the gamma-gamma turbulence channel is investigated. To … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 4 · 18 Jan 2012 · 7,954 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordThe Efficacy of Karkadeh Tea in Controlling Post-Prandial Blood Glucose LevelsAdrian Paul Harrison, Ross Gordon Cooper, Moustafa Ahmed Suliman, Usama AlAlamiProblem statement: Increasing interest from the general public to use herbal remedies, exposes a considerable need to document ancient medical practices, as well as to investigate the efficacy of “ancient” compounds currently reputed to have medicinal benefits for such diseases as diabetes and obesity. Approach: In order to investigate the efficacy of “karkadeh” Roselle-Hibiscus sabdariffa tea as a means of … …American Journal of Pharmacology and Toxicology, Vol. 4, Issue 4 · 31 Dec 2009 · 9,430 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordMortality among HIV-Infected Patients in Resource Limited Settings: A Case Controlled Analysis of Inpatients at a Community Care CenterNirmala Rajagopalan, Joyce B. Suchitra, Anita Shet et al.Problem statement: Despite massive national efforts to scale up Antiretroviral Therapy (ART) access in India since 2004, the AIDS death rate was 17.2 per 100,000 persons during 2003-2005. In the era of HAART in resource poor settings, it is imperative to understand and address the causes of AIDS related mortality. This collaborative study aimed at defining the predictors of mortality … …American Journal of Infectious Diseases, Vol. 5, Issue 3 · 30 Sep 2009 · 7,661 accessesView PDF Cite