Browsing by Subject "IEEE 802.11 (Standard)"
Now showing items 1-20 of 88
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A channel allocation algorithm for OSA-Enabled IEEE 802.11 WLANs
(2009-09)
Conference report
Open AccessChannel allocation problem is a major challenge in wireless local area networks (WLANs), especially in dense deployments of access points (APs) where congestion of the unlicensed spectrum bands (i.e., ISM bands) could ... -
A comparative analysis of the user behavior in academic WiFi networks
(Association for Computing Machinery (ACM), 2011)
Conference lecture
Restricted access - publisher's policy -
A software platform for measuring distances through round trip time in IEEE 802.11
(IEEE Computer Society Publications, 2013)
Conference report
Restricted access - publisher's policyIndoor positioning has focused the interest of researchers for years. Although there are several techniques proposed, they are difficult to reproduce and consequently to contrast and improve. This paper presents a modular ... -
A study on the influence of transmission errors on WLAN 802.11 MAC performance
(2010)
Article
Restricted access - publisher's policySince the advent of the first IEEE 802.11 standard for WLANs, several papers have been presented that evaluate the IEEE 802.11 DCF access method. In realistic WLAN environments frame errors usually occur due to non-ideal ... -
A transmit power control proposal for IEEE 802.11 cellular networks
(Institute of Electrical and Electronics Engineers, 2006-05)
Conference report
Open AccessActually, the idea of designing an outdoor cellular network based on WLAN IEEE 802.11 results very attractive, due to the several advantages that this technology presents. It offers the equipment at a lower cost, operates ... -
Achieving proportional fairness in WiFi networks via convex bandit optimization
(Universitat Politècnica de Catalunya, 2018-10-31)
Master thesis
Open Access
Covenantee: Universitat Oberta de CatalunyaIn the last years, proportional fairness has attracted attention in the literature on multi-rate IEEE 802.11 WLANs. One way to improve the performance of wireless networks is contention window tuning based on proportional ... -
Adaptative interference avoidance for IEEE 802.15.4
(Universitat Politècnica de Catalunya, 2008-06-26)
Master thesis (pre-Bologna period)
Open AccessThis project aims to design and implement a method to make possible IEEE 802.15.4 fair coexistence with other ISM band widespread technologies. This method is intended to provide interference robustness on packet-loss ... -
Analysis of control and multimedia real-time traffic over SIP and RTP on 802.11n wireless links for utilities networks
(2010)
Conference report
Open Access -
Análisis de técnicas de acceso al medio avanzadas basadas en colas distribuidas y mecanismos Cross-Layer para sistemas de comunicaciones inalámbricas
(Universitat Politècnica de Catalunya, 2007-12-19)
Master thesis (pre-Bologna period)
Open AccessEl uso de las redes inalámbricas 802.11 está en continua expansión en la actualidad. Este hecho provoca que cada vez se requiera un mayor control para garantizar una cierta calidad de servicio (QoS) en diferentes ... -
Análisis del protocolo IEEE 802.11b en un entorno celular
(Universidad de Las Palmas de Gran Canaria, Servicio de Publicaciones, 2003)
Conference report
Open AccessIn this paper we present an analysis of the protocol IEEE 802.11b in different environments. Its performance in an indoor environment is evaluated, in terms of throughput and transmission delay, and the influence of the ... -
Análisis y diseño de un sistema de localización utilizando el kit JN5148 con el estándar IEEE 802.15.4
(Universitat Politècnica de Catalunya, 2011-11-22)
Master thesis (pre-Bologna period)
Open AccessEnglish: This project seeks to explain how to add the geographic location functionality to the many applications related to wireless sensors networks. The equipment used is a set of boards that form the JN5148 kit, produced ... -
Applying machine learning approaches to indoor positioning
(Universitat Politècnica de Catalunya, 2021-09-28)
Master thesis
Open AccessFor commercial demands, common use cases such as shopping in malls, or supermarkets, warehouse management, game development and so on, are continuously improved. This is where positioning systems, or more specifically ... -
Audit of a real Wi-Fi deployment to provide data, VoIP communications and an IIoT item location service
(Academy Publisher, 2017-10-17)
Article
Restricted access - publisher's policyAs the number of Access Points and stations sharing the unlicensed ISM (Industrial Scientific Medical) bands increases, interference diminishes the theoretical performance of 802.11 standard. This paper presents results ... -
Available Admission Capacity Estimations in IEEE 802.11 Access Points
(2008-04-01)
Research report
Open AccessThis technical report is intended to provide extended information about the Available Admission Capacity estimation mechanism for IEEE 802.11 cells previously presented. The original formulation has been revised in this ... -
Channel access unfairness of wireless LAN access methods
(Institute of Electrical and Electronics Engineers, 2006-06)
Conference report
Open AccessIn this paper, we present an evaluation of chosen wireless LAN access methods involving stations with different bit error rates: n - 1 stations in ideal transmission conditions (BER = 0) and 1 station with a given bit error ... -
Cooperative Load Balancing in IEEE 802.11 Networks with Cell Breathing
(Institute of Electrical and Electronics Engineers (IEEE), 2008-07-06)
Conference report
Open AccessIEEE 802.11 WLANs (Wi-Fi) are widely deployed for providing Internet access in public spaces, known as Hot Spots. In these scenarios, users tend to be "gregarious” and essentially static. Since association and roaming ... -
Critpoanálisis práctico de WEP y WPA sobre WLAN 802.11
(Universitat Politècnica de Catalunya, 2009-11-12)
Bachelor thesis
Open Access -
Deploying large-scale IEEE802.11 networks using IP paging with link-specific capabilities : a standard compliant approach and its performance analysis
(2010-03-18)
Article
Restricted access - publisher's policyIEEE802.11 is a layer two technology that offers limitedmobility support. It suffers from scalability problems caused by the performance of the mechanisms related to the address resolution and the discovery and maintenance ... -
Design and implementation of a Wi-Fi service for guest users in the Barcelona City Council
(Universitat Politècnica de Catalunya, 2012-10-30)
Master thesis
Restricted access - author's decisionThis project involves the design and implementation of a web browsing service using a Wi-Fi access for guest users of the different municipal offices belonging to the Barcelona City Council. The service has been implemented ... -
Design of a bidirectional metamaterial spacer at 2.45 GHz
(2010)
Conference report
Open Access
