نتایج جستجو برای: frequency allocation

تعداد نتایج: 559665  

2008
Yenumula B. Reddy Nandigam Gajendar Syam Gupta

In this research we introduce the game theory model for efficient spectrum allocation. The proposed game theory model uses the genetic algorithm application to analyze a radio frequency and optimize the utility function (each player’s preferences). The simulations were done using MATLAB ‘gatool’. The results show that genetic algorithms have positive effect on game theory models in spectrum all...

Journal: :Current Biology 2009
Lynda F. Delph

Sex allocation in hermaphrodites should evolve in response to changes in the frequency of unisexuals. As predicted, it has now been demonstrated that hermaphrodites respond to the removal of males from experimental plant populations by increasing their allocation to male function.

2009
R. Raheli M. Franceschini R. Pighi G. Ferrari

It is widely known and accepted that multicarrier communication is effective in frequency selective channels if resource allocation strategies are used, namely per-subcarrier adaptive modulation and coding. We discuss its efficiency for uniform resource allocation in terms of fundamental information-theoretic measures. These results are relevant to broadcast systems and, more generally, systems...

Journal: :EURASIP Journal on Wireless Communications and Networking 2015

Journal: :IEEE Communications Letters 2023

We tackle the problem of joint frequency and power allocation while emphasizing generalization capability a deep reinforcement learning model. Most existing methods solve learning-based wireless problems for specific pre-determined network scenario. The performance trained agent tends to be very deteriorates when used in different operating scenario (e.g., size, neighborhood, mobility, among ot...

2015
Mohamed A. Al-Mosawi Rinat Khusainov

Broadband satellite communication networks operating at Ka band (20-30 GHz) play a very important role in today’s worldwide telecommunication infrastructure. The problem, however, is that rain can be the most dominant impairment factor for radio propagation in these frequency bands. Allocating frequency bandwidth based on the worst-case rain fading leads to the waste of the frequency spectrum d...

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