نتایج جستجو برای: demand to capacity ratio

تعداد نتایج: 10720563  

Journal: :EURASIP J. Wireless Comm. and Networking 2013
Muhammad Moinuddin Imran Naseem

In this article, we propose a novel method to derive exact closed-form ergodic capacity and outage probability expressions for correlated Rayleigh fading channels with receive diversity. Unlike the existing works, the proposed method employ a simple approach for the capacity and outage analysis for receiver diversity channels operating at different signal-to-noise ratios depicted in the diagona...

2009

12. Considering discrete-time channels, sketch a chart showing the following plots: (a) Continuous-valued AWGN channel capacity (bits/symbol) as a function of SNR (b) Maximal conveyed information as a function of SNR for the following alphabets: 2-PSK, 4-PSK, 16-QAM, 64-QAM The characteristic shapes of the curves and asymptotic behaviors are essential. 13. The capacity per symbol for a continuo...

Journal: :CoRR 2011
Chao Zhang Pinyi Ren Jingbo Peng Guo Wei Qinghe Du Yichen Wang

In this paper, we propose an optimal relay power allocation of an Amplify-and-Forward relay networks with nonlinear power amplifiers. Based on Bussgang Linearization Theory, we depict the non-linear amplifying process into a linear system, which lets analyzing system performance easier. To obtain spatial diversity, we design a complete practical framework of a non-linear distortion aware receiv...

2000
Lev GOLDFELD

Closed-loop power control providing maximum capacity of the multicarrier channel with frequency selective Nakagami fading is investigated. Use of the famous Gallager channel capacity (water-filling) theorem with the assumption of limited transmitter power and independent fading in partial channels leads to the algorithm for their optimal power loading. Analytical expressions for the capacity of...

Journal: :EURASIP J. Wireless Comm. and Networking 2006
Quan Zhou Huaiyu Dai

Through the analysis of the probability density function of the largest squared singular value of a complex Gaussian matrix at the origin and tail, we obtain two asymptotic results related to the multi-input multi-output (MIMO) maximum-ratiotransmission/maximum-ratio-combining (MRT/MRC) systems. One is the asymptotic error performance (in terms of SNR) in a single-user system, and the other is ...

Long-term demand forecasting presents the first step in planning and developing future generation, transmission and distribution facilities. One of the primary tasks of an electric utility accurately predicts load demand requirements at all times, especially for long-term. Based on the outcome of such forecasts, utilities coordinate their resources to meet the forecasted demand using a least-co...

Journal: :European Journal of Operational Research 1999

Abstract Background and Objectives Excessive blood request is a common problem in hospitals. For this purpose, there are some programs called the Maximum Surgical Blood Ordering Schedule (MSBOS) for proper management of blood demand. The aim of this study was to evaluate the demand for blood and blood consumption in different parts of the Children's Medical Center, Tehran.   Materials and Met...

Journal: :IEEE Transactions on Smart Grid 2023

Price based demand response schemes may significantly improve power system efficiency. Additionally, it is desired that such yield improved operation, by reducing the peak consumption. This paper proposes Intraday Block Pricing (IBP) scheme, aiming to promote effective among consumers charging their electricity usage on intraday time-slots. To design prices associated with proposed we formulate...

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