free research papers-wlan
A New Authentication Method for Vertical and Horizontal Handover in 3G-WLAN Interworking Architecture
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ABSTRACT The interworking of the 3G and the WLAN technique provides a perfect connectivity solution in terms of data rate, service cost and area coverage. However the Vertical Handover (VH) from the 3G to WLAN and the Horizontal Handover (HH) between WLAN
Design and Study Multi Band CPW Fed Microstrip Patch Antenna with Defected Ground Structure for WiMAX/WLAN Applications
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ABSTRACT Coplanar waveguide (CPW)-fed planar monopole antenna with Defected Ground Structure (DGS) with multi-band operation is presented for simultaneously satisfying wireless local area network (WLAN) and worldwide interoperability for microwave access (
2X2 STBC MIMO OFDM RECEIVER DESIGN FOR WLAN WITH ESTIMATION OF DIFFERENT TRANSMIT CARRIER FREQUENCY OFFSETS
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The combination of Multiple-Input Multipleoutput (MIMO) and Orthogonal Frequency Division Multiplexing (OFDM) has been viewed as the trend of the new wireless LAN technology. In this paper, the design of an up-to-date 2 x 2 Space-Time Block Coded (STBC)
DESIGN AND STUDY OF PLANAR INVERTED-F ANTENNA FOR MOBILE DEVICES COVERING LTE/WLAN APPLICATIONS
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ABSTRACT A Planar Inverted-F Antenna for LTE2300 (2.3-2.4 GHz), WLAN (2.4-2.484 GHz), and LTE2500 (2.5-2.69 GHz) bands has been presented in this paper. The proposed structure has a dimension of 18 x 13 mm2 over the ground plane of size 100 x 50 mm2
COMPARATIVE ANALYSIS FOR MACHINE LEARNING TECHNIQUES APPLIANCE ON ANOMALY BASED INTRUSION DETECTION SYSTEM FOR WLAN
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Abstract In Wireless network, intrusion detection has become a crucial factor in any useful security required wireless network. Recently it gained sharp attention in both research and industry communities due to widespread use of Wireless Local Area Networks (
Modeling and Simulation of Carbon Nanotubes based Patch Antenna for WLAN Applications
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Abstract This paper presents modeling and simulation of microstrip patch antenna using carbon nanotube (CNT) for wireless local area networks (WLAN) applications in Industrial, Scientific and Medical band (ISM). Here we model CNT material instead of copper metal
DESIGNANALYSIS OF WIDE-BAND MULTIPLE FREQUENCY PATCH ANTENNAS FORWLAN/WiMAX APPLICATIONS
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ABSTRACT In the past few years, new designs based on the microstrip antennas have been used for handheld wireless devices because these antennas have low-profile geometry and can be embedded into the devices. Here a new technique for enhancing bandwidth that
Novel Dual-Band CPW-fed Monopole Antenna for WLAN/WIMAX Applications
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ABSTRACT A novel dual band design of a finite ground coplanar waveguide (CPW)-fed monopole antenna is presented for satisfying wireless local area network (WLAN) and Worldwide Interoperability for Microwave Access (Wi-MAX) applications. The proposed
Role of Swarm Technology based Routing in UMTS-WLAN networks
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ABSTRACT Quality of service (QoS) is playing a vital role in communications system in emerging technologies. QoS means providing consistent and predictable data delivery service. QoS is dealt with providing real-time as well as non-real-time services. In this
Impact of omnidirectional and directive antennas on WLAN link performance under in-band interference
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ABSTRACT An experimental evaluation of 802.11 g+ n based wireless local area network(WLAN) devices with omnidirectional and directive antennas under interference is investigated in this paper. The performance of directive antennas is known to be better if
On detecting WLAN users communication attempts
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>ABSTRACT Power wastage in dense WLANs is a challenging problem. In order to reduce the power wastage, AP switching on/off strategies have been developed, aiming at decreasing the number of active APs (according to the traffic conditions). The efficiency of such
Admission control in medical-grade WLAN
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ABSTRACT In this paper, we design an admission control mecha-nism on top of our previous study on medical-grade wireless LAN. The proposed admission control scheme controls the total number of real-time electrocardiogram (ECG) monitoring connections in order to
Probe Feed and Aperture Feed Microstrip Antenna for WLAN Application
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ABSTRACT Microstrip patch antennas have been widely used in a various useful applications, due to their low weight and low profile, conformability, easy and cheap realization. A low profile patch antenna for WLAN application is proposed in this paper. This proposed
WLAN Power Save by Header Compression and Packet Overhearing Reduction
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Abstract Cellular, laptop, tablet and handheld devices support WLAN technology. In addition to the spectral efficiency and security issues, power consumption is a vital issue in making the usage of these devices widespread. Efforts are underway in improving power
Low Cost E-Shaped Microstrip Patch Antenna Array for WLAN
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ABSTRACT In this paper design of Microstrip patch array antenna for WLAN application is proposed. A new 2 element antenna array topology of Microstrip E shaped patches for use in Wireless applications is introduced in this paper. The Active element pattern technique
IEEE 802.11 ah: A Long Range 802.11 WLAN at Sub 1 GHz
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Abstract IEEE 802.11 ah is an emerging Wireless LAN (WLAN) standard that defines a WLAN system operating at sub 1 GHz license-exempt bands. Thanks to the favorable propagation characteristics of the low frequency spectra, 802.11 ah can provide much
Bi-Directional Hybrid Coupled Microstrip Antenna for WLAN Application
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ABSTRACT This paper presents a compact size, single feed, back to back combined Proximity and Aperture coupled microstrip antenna (MSA) in order to get a dipole like radiation pattern with improved bandwidth. The proposed antenna is working at the resonant frequency of
Rectangular Patch Antenna for 5.2 GHz WLAN Application using Co-axial feed
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ABSTRACT In this paper, the design of co-axial feed microstrip patch antenna (MPA) for 5.2 GHz WLAN application is presented. The impedance matching and the radiation characteristics of this proposed antenna are studied and analysed using High Frequency
EAP-CRA for WiMAX, WLAN and 4G LTE Interoperability
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Today we are moving into a post-PC world! Not many people sit in front of custom built PCs to do their businesses any more. Hand held devices such as iPod Touch, iPhone, Galaxy S3, iPad, Galaxy Tab, Airbook, Notepad etc. are bringing in a new paradigm as to how
Spoofing Detection Methods in Wireless LAN (WLAN)-A Study with pros and corns
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ABSTRACT Spoofing makes the task of identification and tracking back of the perpetrator/initiator in Cyber Crimes very difficult, eg the attacks by way of changing its network identifiers in WLANs. In such a scenario, spoof detection methods have gain wide
A New Authentication Method for Vertical and Horizontal Handover in 3G-WLAN Interworking Architecture
free download
ABSTRACT The interworking of the 3G and the WLAN technique provides a perfect connectivity solution in terms of data rate, service cost and area coverage. However the Vertical Handover (VH) from the 3G to WLAN and the Horizontal Handover (HH) between WLAN
2X2 STBC MIMO OFDM RECEIVER DESIGN FOR WLAN WITH ESTIMATION OF DIFFERENT TRANSMIT CARRIER FREQUENCY OFFSETS
free download
The combination of Multiple-Input Multipleoutput (MIMO) and Orthogonal Frequency Division Multiplexing (OFDM) has been viewed as the trend of the new wireless LAN technology. In this paper, the design of an up-to-date 2 x 2 Space-Time Block Coded (STBC)
DESIGN AND STUDY OF PLANAR INVERTED-F ANTENNA FOR MOBILE DEVICES COVERING LTE/WLAN APPLICATIONS
free download
ABSTRACT A Planar Inverted-F Antenna for LTE2300 (2.3-2.4 GHz), WLAN (2.4-2.484 GHz), and LTE2500 (2.5-2.69 GHz) bands has been presented in this paper. The proposed structure has a dimension of 18 x 13 mm2 over the ground plane of size 100 x 50 mm2
On detecting WLAN users communication attempts
free download
ABSTRACT Power wastage in dense WLANs is a challenging problem. In order to reduce the power wastage, AP switching on/off strategies have been developed, aiming at decreasing the number of active APs (according to the traffic conditions). The efficiency of such
Admission control in medical-grade WLAN
free download
ABSTRACT In this paper, we design an admission control mecha-nism on top of our previous study on medical-grade wireless LAN. The proposed admission control scheme controls the total number of real-time electrocardiogram (ECG) monitoring connections in order to
WLAN Power Save by Header Compression and Packet Overhearing Reduction
free download
Abstract Cellular, laptop, tablet and handheld devices support WLAN technology. In addition to the spectral efficiency and security issues, power consumption is a vital issue in making the usage of these devices widespread. Efforts are underway in improving power
Low Cost E-Shaped Microstrip Patch Antenna Array for WLAN
free download
ABSTRACT In this paper design of Microstrip patch array antenna for WLAN application is proposed. A new 2 element antenna array topology of Microstrip E shaped patches for use in Wireless applications is introduced in this paper. The Active element pattern technique
Bi-Directional Hybrid Coupled Microstrip Antenna for WLAN Application
free download
ABSTRACT This paper presents a compact size, single feed, back to back combined Proximity and Aperture coupled microstrip antenna (MSA) in order to get a dipole like radiation pattern with improved bandwidth. The proposed antenna is working at the resonant frequency of
Rectangular Patch Antenna for 5.2 GHz WLAN Application using Co-axial feed
free download
ABSTRACT In this paper, the design of co-axial feed microstrip patch antenna (MPA) for 5.2 GHz WLAN application is presented. The impedance matching and the radiation characteristics of this proposed antenna are studied and analysed using High Frequency
Adaptive Traf?c Of?oading Method Based on OWN in Overlay Networks with LTE and WLAN
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ABSTRACT Traffic overload problem in the cellular networks has become crucial. In order to approach the problem of increasing traffic, an adaptive traffic offloading method based on a combination of Open Wireless Networks (OWN) and a biologically inspired attractor
Seamless Vertical Handoff between WLAN and WiMAX
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ABSTRACT The next generation of wireless communication systems is expected to include heterogeneous broadband wireless networks that will coexist and use a common IP core to offer a diverse range of high data rate multimedia services to end users with contemporary
The research on WLAN and its traffic characteristics
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Wireless local area network, IEEE 802.11, Bluetooth, Wireless ATM, Traffic characteristics ABSTRACT. This paper illustrates
Design and Fabrication of Ultra Wide-Band Antenna with Band Notching Property for WLANusing Defected Ground Structure
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ABSTRACT In this paper, a compact rectangular feed microstrip antenna with defected ground plane for ultra-wide band (UWB) application is presented. Insertion of slots on radiating patch and ground plane results in UWB characteristics. Parasitic effect is minimized by
Low SAR, Planar Monopole Antenna with Three Branch Lines for DVB, Mobile, and WLAN.
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ABSTRACT In this paper, an open slot antenna fed by a U-shaped monopole is introduced. The slot antenna radiates in the range from 1.6 to 3.44 GHz and from 3.8 to 5.7 GHz. The slot is formed by an open ring of quarter wavelength at 900 MHz. Thus, the ring acts both as a
Dual Band Compact Size Microstrip Antenna Operating at 2.45 GHz and 5.8 GHz for WLANApplications
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ABSTRACT WLAN (Wireless Local Area Network) is one of the most widely used technologies in today's world. WLAN is a wireless distribution method for two or more devices that use high-frequency radio waves and often include an access point to the internet. WLAN is
Support of Resource-Aware Vertical Handovers in WLAN Hotspots
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ABSTRACT End-user devices such as smart phones and tablets have become very popular as they offer a variety of wireless Internet accesses ranging from the WLAN standards to WWAN technologies such as LTE or even WiMAX. Due to these different wireless access options
Synthesis of Linear Antenna Array Using PSO to Reduce Side Lobe Level for WLAN
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ABSTRACT this paper uses Particle Swarm Optimization (PSO) algorithm optimization method for the synthesis of broadside linear antenna array. In this paper optimum value of current of each antenna element is determined which produces radiation pattern with minimum side
SSVHOP: A Simple and Seamless Vertical Handoff Protocol for Loosely Coupled Integrated UMTS/WLAN Network
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ABSTRACT To provide anywhere at any time services in an integrated wireless networking environment, seamless mobility is one of the most important and challenging issues. Recent literature shows that the seamless mobility can be achieved by performing significant
A review on strategies to optimize and enhance the performance of WLAN and wireless networks
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Abstract WLAN is a type of local-area network that uses high-frequency radio waves rather than wires to communicate between nodes. A mobile ad hoc network (MANET), sometimes called a mobile mesh network, is a self-configuring network of mobile devices connected
Security in WLAN-Review of Security and Throughput Tradeoff
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ABSTRACT An IEEE 802.11 WLAN is a group of wireless nodes located within a moderate physical area. It provides intensified productivity, less cost of installation and mobility. The open to air nature of wireless channel that give us great convenience of mobility also
Review of Wireless Local Area Network (WLAN) Standards and Wiresless Sensor Networks
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ABSTRACT The research paper focus on the Wireless LAN standards (WLAN) technologies available under IEEE 802.11. The paper also focuses on Wireless Sensor Networks (WSN), protocols, and applications. Dramatic advances in communication systems and micro-
IEEE 802.11 WLAN and Advancements: A Review
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ABSTRACT For providing flexibility and mobility in accessing networks and services, wireless communication specifically Wireless Local Area Network (WLAN) has become popular in due to ease of installation and low cost. Due to increasing number of laptop users and
A Review of 3G-WLAN Interworking
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ABSTRACT The 3rd Generation Partnership Project (3GPP) standard is developing System Architecture Evolution (SAE)/Long Term Evolution (LTE) architecture for the next generation mobile communication system. The SAE/LTE architecture provides secure service and 3G
Review Paper on Vertical Handoff Algorithm between IEEE 802.11 WLAN CDMA Cellular Network
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ABSTRACT Today's wireless users expect great things from tomorrow's wireless networks. The rapid increase of wireless subscribers increases the quality of services anytime, anywhere and by any-media becoming indispensable. These services require various
Review on Cryptographic WLAN protocols and their weakness
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A Rani, M Kumar rspublication.com ABSTRACT Cryptography is used for secure communication. It is a practice or study of techniques for secure communication without interpretation of third party. Modern cryptography use mathematical theory and computer science techniques to implement CSE PROJECTS