research-paper-wireless




Characterization of smart phone received signal strength indication for WLAN indoor positioning accuracy improvement
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Considering that indoor positioning applications based on wireless local area network location fingerprinting would be mainly used on the mobile devices. This paper investigates the differences of received signal strength indication (RSSI) between different smart phones

Time of arrival estimation for WLAN indoor positioning systems using matrix pencil super resolution algorithm
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The accuracy of prediction of time of arrival (TOA) in wireless local area networks ( WLAN ) is the most important parameter for indoor positioning systems. This paper presents the application of super resolution matrix pencil (MP) algorithm for TOA estimation for indoor

A statistical modelling based location determination method using fusion technique in WLAN
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Location information is of paramount importance in context aware Ambient Intelligence (AmI), Smart Space, traffic monitoring, surveillance network and cooperative communications services. This paper describes a Positioning determination solution based

WLAN -based asset tracking for warehouse management
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Asset tracking offers high potential to improve efficiency of warehouse management. Typically the tracking is done employing RFID technology. As yet however, most goods are not prepared with RFID and it would require investment in costly hardware, infrastructure

Vertical handoff in WLAN -WIMAX-LTE heterogeneous networks through gateway relocation
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In wireless communication new technologies emerges regularly with faster data rates and larger coverage area. Therefore the forthcoming challenge is to make the best possible use of the available heterogeneous network. For connecting mobile between heterogeneous

A compact printed monopole antenna for dual-band RFID and WLAN applications
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Design of a simple and compact microstrip-fed printed monopole antenna (PMA) for applications in wireless local area network ( WLAN ) and radio frequency identification (RFID) is presented. The dual-band operation is achieved from the 9-shaped folded antenna which

Nortels Wireless Mesh Network solution: Pushing the boundaries of traditional WLAN technology
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More than just a product and solution, Nortels Wireless Mesh Network is a breakthrough architecture that represents a new way of thinking about wireless local area networks (WLANs), bringing significant benefits to end users, enterprises, and service providers alike

Design of microstrip antenna for WLAN
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This study presents theoretical investigation and simulation of Input Impedance behavior of nearly square single fed aperture coupled microstrip patch antenna that can satisfy the narrowband WLAN applications with 2.4 GHz band with 80 MHZ bandwidth. For maximum

OFDM based WLAN systems
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This report is intended to provide an overview of the present state of WLANs with respect to physical layer issues and identify some key research issues for future generations of WLANs. The current standards (IEEE 802.11 a in USA, HiperLAN/2 in Europe and MMAC in

Fragmentation/aggregation scheme for throughput enhancement of IEEE 802.11 n WLAN
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In this paper, we propose a simple fragmenta-tion/aggregation scheme which combines the MSDU fragmentation (used to enhance the reliability at the cost of more protocol overhead) of the legacy 802.11 and A-MPDU aggregation (used to reduce the overhead) of the

Switched band-notched UWB/ WLAN monopole antenna
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Abstract- A switched band antenna that has a capability to operate in tri-band WLAN frequency band (2.4 2.485 GHz, 5.15-5.35 GHz and 5.725-5.825 GHz) and a band-notched UWB frequency band (the stop-band covers the frequency range from 5.15 GHz to 5.825

Co-axial fed rectangular microstrip patch antenna for 5.2 GHz WLAN application
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In this paper, the design of a co-axial fed single layer microstrip patch antenna (MSA) for 5.2 GHz WLAN application is presented. The impedance matching and the radiation characteristics of this proposed structure are studied and analyzed using Computer

Bluetooth versus WLAN IEEE 802.11 x
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Jyrki Oraskari Product Modelling and Realization Group (PMRG) Department of Computer Science and Engineering Helsinki University of Technology jyrki.oraskari@hut.fi 37266J Comparison of the he two principal standards for the wireless home LAN market in the near future Wireless

Why Seamless Towards Exploiting WLAN -Based Intermittent Connectivity on the Road.
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This paper discusses new mobile usage scenarios for WLAN technologies and presents an architecture that is based on the notion of intermittent connectivity instead of seamless connectivity. The Drive-thru Internet approach is intended to support Internet applications of

Review of Microstrip patch antenna for WLAN and Wimax application
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In this rapid changing world in wireless communication, dual or multiband antenna has been playing a key role for wireless service requirements. Wireless local area network ( WLAN ) and Worldwide Interoperability for Microwave Access (WiMAX) have been widely applied in

Supporting VoIP traffic in IEEE 802.11 WLAN with enhanced medium access control (MAC) for quality of service
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(WLANs), the ability of WLAN to support real time services with stringent quality of service (QoS) requirements has come into fore. In this paper, we evaluate the capability of the enhanced point coordination function (EPCF) and enhanced distributed coordination

A design of H-shape Microstrip patch antenna for WLAN applications
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A new high gain, wideband H-shape slot loaded microstrip patch antenna is presented in this paper. The antenna is printed on a dielectric substrate, backed by a metal board, and directly fed from a 50 Ω coaxial cable. Using ADS software package according to the set

Pedagogical potentials of IEEE 802.11 WLAN to Nigerian universities: a case study of the university of Uyo
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802.11 WLAN to Nigerian Universities-A case study of University of UYOis an in depth study to evaluate the potentials of its implementation to the entire teaching and tutoring vertical in Nigerian universities. While conducting this research study, the campus did not have the

P2P-based roaming between home WLAN hotspots
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The increased amount of broadband Internet connections at home, combined with the low cost of WLAN access points and other WLAN hardware, has made it possible for individual end-users to contribute to the wireless landscape by allowing open access to their WLANCarrier sense multiple access with enhanced collision avoidance (CSMA/ECA) is a distributed MAC protocol that allows collision-free access to the medium in WLANs. The only difference between CSMA/ECA and the well-known CSMA/CA is that the former uses a


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