117 uppsatser · sida 2 av 8
Nowadays Wireless LAN is playing a more and more important role in network systems. After 1999, in which the IEEE organization published its Wireless Local Network standard 802.11[1], many people saw the advantages of the standard but also the lack of support for multimedia …
… standard. This diploma work validates also advanced, innovative tools and wireless technologies that are necessary to facilitate wireless applications while maximizing spectral efficiency and throughput. MIMO channel models can be used to evaluate new Wireless Local Area Network …
ett nytt kommunikationsprimitiv för trådlösa sensornätverk
Wireless sensor networks have the potential for becoming a huge market. Ericsson predicts 50 billion devices interconnected to the Internet by the year 2020. Before that, the devices must be made to be able to withstand years of usage without having to change power source as …
Lätt infanteritaktik under brittiska markoperationerna i Falklandskriget
… Falklandskriget utkämpade tre slag vid Darwin ? Goose Green, Mount Longdon och Wireless Ridge. Som analysverktyg har använts Robert Leonhards teori om den kombinerade bekämpningens tre principer. Indikatorer på principerna har varit syften med verkan hämtade ur teorin om de …
Streaming video in wireless mesh networks
… did during springtime of year 2013. The dissertation’s subject is 802.11s wireless mesh networks with streaming video as a focus point. During the dissertation a wireless mesh network was set up with different attached cameras for streaming video. A sun panel solution was also …
… Control Protocol) is a transport protocol designed for the wired Internet. In wireless networks packet losses occur more frequently due to the unreliability of the physical link. The main problem is that TCP treats all losses as congestion, which leads to a lower throughput. Ad …
… vehicles. But the properties of water makes it a complex channel to use for wireless communications. Radiomagnetic waves have very limited range in water, therefore acoustic waves are used. In this report the basics of wireless communication systems are described including …
… efficient in everyday use. This thesis proposes a power supply unit (PSU) for wireless sensor platforms which is capable of supplying a sensor node with energy from multiple sources, as well as status information from the PSU. Present power storage devices, like electric …
In many clinical applications, it is desirable to transmit sensor information wireless. In earlier research, investigation transmit ECG signal using Bluetooth, was performed. However, when Bluetooth has some drawbacks it is of interest to investigate alternative methods, one …
… commercial systems. The biggest difference from existing products is the wireless video feedback from the camera to the remote unit. The result of the project is a system consisting of two units, a manoeuvre unit with a cradle for the video camera and a remote unit from which …
Radio frequency identification (RFID) is a versatile wireless technology usedworldwide. The fields of applications are many and its popularity constantlygrows due to smaller in size, better and less expensive components. RFID isused to identify, track or share information about …
… Free2Move AB. The company is located in Halmstad and is an acting provider of wireless communications for industrial customers, mainly focused on Bluetooth? technology. In today's society most people have their music on their computer, MP3 player or mobile phone. What if you …
… for the productionmanagement and if there are opportunities for a wireless communication for time report throughhandhelds. Through interviews, with a positive result and own observations, it showed that ananalysis to handhelds for time report is possible. The sources in the …
Skumming i industritvätt
… an accelerometer. The platform is controlled from a ground station through a wireless link. The wireless link is an Xbee-module that implements the ZigBee-protocol. The microprocessor used is the Atmega 128 by Atmel. An indirect complementary filter is used to get the angle of …
… an accelerometer. The platform is controlled from a ground station through a wireless link. The wireless link is an Xbee-module that implements the ZigBee-protocol. The microprocessor used is the Atmega 128 by Atmel. An indirect complementary filter is used to get the angle of …
