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radio local area networks

Routing Approaches for Cognitive Radio Ad hoc Networks and Challenges

Routing Approaches for Cognitive Radio Ad hoc Networks and Challenges

... Cognitive radio networks (CRNs) are composed of cognitive devices capable of changing their configurations on Real time, based on the spectrum ...the area of routing for CRNs, distinguishing two main ...

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A Reconfigurable Architecture of Software-Defined-Radio for Wireless Local Area Networks

A Reconfigurable Architecture of Software-Defined-Radio for Wireless Local Area Networks

... The study done in the previous chapter has motivated us to have an ALU- array like architecture instead of a simple multiprocessor architecture for our implementation. The reason being the ALU- array makes more efficient ...

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SmartMIMO: An Energy Aware Adaptive MIMO OFDM Radio Link Control for Next Generation Wireless Local Area Networks

SmartMIMO: An Energy Aware Adaptive MIMO OFDM Radio Link Control for Next Generation Wireless Local Area Networks

... implementation area and power consumption due, at least, to the duplication of part of the transmitter and receiver radio front- ...the area overhead may be acceptable in view of the performance ...

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A Brief Review on Wireless Networks

A Brief Review on Wireless Networks

... Wireless networks are based on radio communication to connect end users to each ...Wireless networks have different types [1] [2] [3] such as personal area networks (PAN) which covers a ...

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Improved local spectrum sensing for cognitive radio networks

Improved local spectrum sensing for cognitive radio networks

... In order to test the applicability of fuzzy logic for the mathematical hypothesis given in (1) and increase the performance of local sensing, we propose an FLD scheme for the final decision (presence or absence of ...

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Autonomous QoS Management and Policing in Unmanaged Local Area Networks

Autonomous QoS Management and Policing in Unmanaged Local Area Networks

... 4.4. Statistical Class-Based Bandwidth Prediction. The SCBP algorithm was developed from the motivation to have a simple and light-weight algorithm with low computing com- plexity. After literature research and ...

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Title: Enhancement of Wireless Network Security by Customized Encryption Technology & using Multilayer of Security

Title: Enhancement of Wireless Network Security by Customized Encryption Technology & using Multilayer of Security

...  Radio & spread spectrum technologies – Wireless local area networks use a high-frequency radio technology is same as digital cellular & a low-frequency radio ...

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... of local area networks inter connected by both fiber optic cable links and by wireless (radio) ...the local backbone and a propagation of the service to outlying areas ...

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A Subject Specificity Analysis of Radio Channels in Wireless Body Area Networks

A Subject Specificity Analysis of Radio Channels in Wireless Body Area Networks

...  , according to the Courant stability condition [13], where c is the speed of light in the free space. A ten-cell Berenger's PML is used to truncate the simulation domain in all directions [13]. A patch antenna designed ...

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A MIMO-OFDM Testbed for Wireless Local Area Networks

A MIMO-OFDM Testbed for Wireless Local Area Networks

... experimentation. In office environment, delay spread (DS) values are significantly smaller than the values recommended by Model A. The values of DS and AP azimuth spread (AS) strongly depend on the radio link ...

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Interference Aware Radio Resource Management for Local Area Wireless Networks

Interference Aware Radio Resource Management for Local Area Wireless Networks

... The scheme is distributed and the scheduler works much like a conventional scheduler, except that the information from other receivers on the shared-radio resources is made available to the scheduler by means of ...

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INTRUSION DETECTION SYSTEM SECURE TECHNIQUES FOR WLAN USING SNORT CONFIG

INTRUSION DETECTION SYSTEM SECURE TECHNIQUES FOR WLAN USING SNORT CONFIG

... A Wireless Local Area Network (LAN) is a Radio frequency (RF) data communications system. WLANs transmit and receive data Over the Air (OTA) and thus collectively combine data connectivity with ease ...

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IJCSMC, Vol. 5, Issue. 5, May 2016, pg.808 – 813 The Review Paper on Securing Wireless Network from External Threats

IJCSMC, Vol. 5, Issue. 5, May 2016, pg.808 – 813 The Review Paper on Securing Wireless Network from External Threats

... Wireless local area network technology are widely deployed & used in organisations ...Using radio frequency (RF) technology, wireless LANs transmit & receive data over air, minimising need ...

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An Adaptive and Efficient Local Spectrum Sensing Scheme in Cognitive Radio Networks

An Adaptive and Efficient Local Spectrum Sensing Scheme in Cognitive Radio Networks

... A new local spectrum sensing scheme for a single user is proposed in this article to improve detection efficiency and to decrease sensing time. The proposed scheme is compared with the existing transmitter ...

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Lower Layer Parameters of WBAN in CASTALIA

Lower Layer Parameters of WBAN in CASTALIA

... and use of miniaturized equipments has made the researchers to develop Wireless Body Area Networks (WBANs). The network consists of several sensors attached on and off the body and some implanted within the ...

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Optimization of Cognitive Radio Sensing Techniques Using Genetic Algorithm

Optimization of Cognitive Radio Sensing Techniques Using Genetic Algorithm

... ABSTRACT: Cognitive radio technology is a low cost communication system. The main reason of choosing the cognitive system is that it prevents the interfering of licensed and authorised users; by choosing the ...

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Combined Soft Hard Cooperative Spectrum Sensing in Cognitive Radio Networks

Combined Soft Hard Cooperative Spectrum Sensing in Cognitive Radio Networks

... The Radio Environment Maps (REM) is an emerging technology in the context of spectrum awareness that imposes the database approach and offers a functional facility of boosting the network functions by incorporat- ...

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Laudon MIS13 ch07 GE

Laudon MIS13 ch07 GE

... Mobile laptop computers equipped with wireless network interface cards link to the wired LAN by communicating with the access point. The access point uses radio waves to transmit network signals from the wired ...

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A new SDN-based framework for wireless local area networks

A new SDN-based framework for wireless local area networks

... Wireless networks have become ubiquitous and dense. Emerging high-speed network standards (e.g. 802.11ad) are migrating to higher frequencies, which are absorbed by walls, thus requiring the den- sification of ...

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Wireless Personal Area Network Node Design with RFID Using ZigBee Transceiver Module

Wireless Personal Area Network Node Design with RFID Using ZigBee Transceiver Module

... In this paper, by integrating RFID and WPAN technologies we have designed a new protocol that can help in various research fields and industries to monitoring and control the processes like accessing buildings, assets, ...

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