نتایج جستجو برای: and communication network
تعداد نتایج: 16951563 فیلتر نتایج به سال:
Communication plays an important role in the growth of societies and people. The Postal network is considered to be the largest physical link and network of exchanges among communities in the world, which is of particular importance for continuous communication with customers in these types of service units. In contrast, prediction, control and analysis have become an inevitable necessity in or...
Introduction: An organization is a network of departments and individuals that improves the performance of the organization through establishing synergy in the meaningful and purposeful communication between departments and individuals. Therefore, effective organizational communication is required to achieve organizational goals. In order to enhance organizational communication in Ilam Universi...
Over two decades, a problem of location dependent has been focused for improving the communication Bandwidth-Power Efficiency of homogeneous networks. The efficiencies of communication links are weakened by the Hidden Terminal Problem. Thus we propose a Fine – Tune Strategy for analyzing the On-Off communication region. We were observed that the proposed technique had been able to track and mo...
The aim of this study is to analyze the status of Iranian scientific production in selected areas relating to science and information technology including information technology, management, and library and information science by scientometric and social network analysis indicators. This research has a look on the approach of the scientific outputs of Iranian scholars indexed in WOS database. I...
Abstract— In order to provide complete security in a computer system and to prevent intrusion, intrusion detection systems (IDS) are required to detect if an attacker crosses the firewall, antivirus, and other security devices. Data and options to deal with it. In this paper, we are trying to provide a model for combining types of attacks on public data using combined methods of genetic algorit...
Designing wireless sensor networks should meet appropriate parameters such as quality of service (QoS) defined by different users. The variable physical conditions of the environment, processing and transmission power limitations and limited communication capabilities are the most important obstacles that influence QoS parameters such as throughput, delay, reliability and network lifetime. The ...
one of the most important number sequences in mathematics is fibonacci sequence. fibonacci sequence except for mathematics is applied to other branches of science such as physics and arts. in fact, between anesthetics and this sequence there exists a wonderful relation. fibonacci sequence has an importance characteristic which is the golden number. in this thesis, the golden number is observed ...
This paper summarises the cell design issues for microcellular networks and explains how conventional large cell network design techniques may not be suitable for designing a ubiquitous microcellular network. A general interference model developed for arbitrary microcellular networks, using a parameter denoted the ‘interference to noise ratio’ or INR, is used to determine the microcell spacing ...
Ad hoc networks are multi-hop wireless networks without a pre-installed infrastructure. Such networks are widely used in military applications and in emergency situations as they permit the establishment of a communication network at very short notice with a very low cost. Video is very sensitive for packet loss and wireless ad-hoc networks are error prone due to node mobility and weak links. H...
آشکارسازی حضور سیگنال های مخابراتی در سالهای اخیر به خاطر کاربردهای فراوان آن توجه زیادی را به خود جلب کرده است. برای مثال می توان به آشکارسازی حضور سیگنال ها در رادار، جنگ الکترونیک، سونار، رادیوهای هوشمند، شبکه های بی سیم و ... اشاره کرد. در این کاربردها منظور از آشکارساز سیگنال،گیرنده غیرمخاطب می باشدکه قصد آشکارسازی سیگنال های مخابراتی را دارد. به همین دلیل و نیز پارامترهای تصادفی موجود، مم...
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