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Electronic Devices And Circuits By Jb Gupta.epub
Jb Gupta Electronic Devices And Circuits.pdf
J. B. Gupta’s “Electronics and Communications Engineering”. Â From AmazonÂ .
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The traditional device-to-device (D2D) business model has not seen much popularity in the wireless telecom market due to the low data rate of mobile network in most of the areas.
Two-way D2D connections are usually limited to help data-hungry phones in the talk-time. In these cases, voice/data separation is necessary to cut down the high data rate in the D2D communications and thereby improve the network efficiency.
QoS requirements for D2D connections are different from those for the traditional IP data communications. For D2D connection, the main purpose is not to provide high quality data service to each other, but rather to improve the efficiency of the whole network. The number of D2D connections are normally limited in a cell area.
The network operator may be required to offer cheap data service to users in order to increase the contribution of the D2D service. On the other hand, the D2D service would not provide as much revenue as traditional IP data service, as the user data for D2D connection would be much lower than for IP data.
There are many examples that the D2D service does not make money for the network operator. The most obvious example is the D2D communication among user’s phones and devices. Before 2012, most mobile operators in China charged their users for 3G/WCDMA data service but did not charge for 3G voice service. While D2D service or application might be more common in the future, in the short term it is hard for D2D service to make money for operators.
The term “D2D” is more often used to describe device-to-device communication, which is more efficient than ad-hoc or peer-to-peer communication for wireless networks.
Category:Network architectureThis invention relates to an improved blade member for use in agricultural operations and more particularly to such a blade member which will have a minimum number of parts and which will be simple and economical to manufacture
Read Electrionic devices and circuits by j b gupta now on your iPhone, iPad or Android device.Electronics For Dummies pdf Electronic Circuits Electronics For Dummies (Book: Electronics. The book is by Sanjeev Gupta with the.
I am greatful for all who have lent help in getting this book published, especially.ebooks are protected by copyright laws and should not beÂ . If you care about a particular.Influence of various factors on the prognosis of 7,190 patients with solid tumours treated on the first-line panitumumab-containing regimen.
The study aim was to evaluate the prognostic role of various factors in patients with tumours expressing HER-2 and treated on the first-line panitumumab-containing regimen. Data on the factors studied were obtained from the database of the multicenter phase II study of panitumumab, which included 7,190 solid tumour patients. Multivariate analyses were performed with Cox regression models. Univariate analyses showed that the following factors were significantly related to PFS: female gender, adverse past history, central nervous system location and visceral metastasis, and brain and liver metastasis. In multivariate analyses, the following factors were significant independent PFS predictors: female gender, adverse past history, central nervous system location, and liver metastasis. The following factors were significant independent overall survival (OS) predictors: female gender, liver metastasis, and grade 3 non-haematological toxicities. Female gender was the only significant factor in multivariate analysis for both PFS and OS. When comparing the effects of prognostic factors using the interaction term in multivariate analysis, the only statistically significant interaction was between gender and metastasis location. Female gender was a strong predictor of poor PFS and OS, irrespective of the presence or absence of visceral metastasis. In HER-2-expressing tumours, the prognostic value of the predictive factors varied according to location of metastasis. Female gender is a stronger predictor of poor outcomes than protein expression of HER-2, since the latter was not a significant factor in multivariate analysis.Unipolar low-current stimulation of dentate granule cells reversibly reduces the excitability of hippocampal CA1 pyramidal cells.
A proposed role of the dentate granule cell in long-term potentiation (LTP) is the induction of inhibitory postsynaptic potentials (IPSPs) in hippocampal pyramidal