نتایج جستجو برای: outage probability

تعداد نتایج: 220840  

Journal: :IEEE Transactions on Information Theory 2012

2002
S. Anand Ananthanarayanan Chockalingam Kumar N. Sivarajan

We analyze the outage and capacity performance of an interference based admission control strategy in cellular CDMA systems. Most approaches to estimate the outage probability and the system capacity of CDMA systems in the literature do not take interference based admission control into account. In this paper, we present an analytical model to evaluate the outage probability and the capacity on...

Hossein Ghavami, Shahriar Shirvani Moghaddam,

Minimizing the outage probability and maximizing throughput are two important aspects in device to device (D2D) communications, which are greatly related to each other. In this paper, first, the exact formulas of the outage probability for D2D communications underlaying or overlaying cellular network are derived which jointly experience Additive White Gaussian Noise (AWGN) and Rayleigh multipat...

2003
John Papandriopoulos Jamie S. Evans Subhrakanti Dey

This paper proposes a new scheme coupling power control with a minimum outage probability multiuser detector. The resultant iterative algorithm is conceptually simple and finds the minimum sum transmission power of all users with a set of outage probability constraints. Bounds on the outage probability expression are found that extend a previous result that did not include receiver noise. These...

Journal: :IJCNIS 2015
Mohammad Irfanul Hasan Sanjay Kumar

This paper provides Closed-form expressions for the average channel capacity and probability of outage of dual-branch Selection Combining (SC) over uncorrelated Nakagami-0.5 fading channels. This channel capacity and probability of outage are evaluated under Optimum Power with Rate Adaptation (OPRA) and Truncated Channel Inversion with Fixed Rate transmission (TIFR) schemes. Since, the channel ...

Journal: :CoRR 2011
Ioanna Ioannou Charalambos D. Charalambous Sergey Loyka

Outage probability and capacity of a class of block-fading MIMO channels are considered with partial channel distribution information. Specifically, the channel or its distribution are not known but the latter is known to belong to a class of distributions where each member is within a certain distance (uncertainty) from a nominal distribution. Relative entropy is used as a measure of distance ...

2000
Dugin LYU Fumiyuki ADACHI

The outage probability of a forward link DSCDMA cellular system with fast transmit power control (TPC) based on signal-to-interference ratio (SIR) is investigated. The expression for SIR at the output of RAKE receiver is developed, and the outage probability is evaluated by using Monte Carlo simulation. We consider two kinds of channel models: random delay resolvable path model and tapped delay...

2003
Jun Zheng Scott L. Miller

This paper considers the performance analysis of coded OFDM systems over frequency-selective fading channels. It is shown that both the random coding upper bounds and the strong converse lower bounds of a coded OFDM system converge to the channel outage probability for large OFDM block lengths. Thus primary attention is given to the analysis of the outage probability, which is taken as the opti...

2003
V. Chernyak M. Chertkov I. Kolokolov A. Peleg

– We study the interplay between amplifier noise and birefringent disorder in the case of strongly nonlinear (soliton) type of transmission in optical fibers. Assuming both noise and disorder to be weak, we evaluate the probability distribution function (PDF) of the Bit-Error-Rate (BER) for the values of BER that are much larger than the typical (average) value. The PDF tail that describes prob...

2005
Jerry Wu Yu-Dong Yao

This first part of this report describes the research done on outage probability with Weibull fading environment. The desired signal experiences Weibull fading while the interferer signals experiences Rayleigh fading. The resulting expressions for outage probabilities are derived. Attempts at improving a method of approximation for deriving the outage probability are made. Comparisons are made ...

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