Wcdma simulator with smart antennas thesis submitted for the fulfilment of the requirements for the degree of master of science in engineering, espoo 18 november, 2001. Digital implementation of direction-of-arrival estimation techniques for smart antenna systems by monther younis abusultan a thesis submitted in partial fulfillment. A study of adaptive beamforming techniques using smart antenna for mobile communication a thesis submitted in partial fulfillment of the requirements for the degree of. Implementation of smart antenna system 12 outline of thesis 2 2 antenna basics 4 21 introduction 5 22 types of antennas 13 3 antenna arrays 19. In reality, there are no smart antennas, but instead smart antenna systems this is a critical point from an engineering perspective since it highlights the complexity and challenge of designing modern communication systems.
1 development of interference mitigation schemes in 4g technology using smart antennas a thesis submitted in partial fulfilment of the requirements for the degree of. 10 january,2002 seminar of master thesis 1 helsinki university of technology department of electrical and communication engineering w cdma simulator with smart antennas. Results are presented for arrays of varying size, with different antenna elements, and for distinct beamwidths and scan angles minimizing sidelobes is then considered for 2d arrays.
Transmitting signals with smart antennas is considerably more difficult than receiving sig- nals, for reasons which will be explained in section 51 we therefore treat in this thesis. This thesis first presents a complete 4-element smart antenna system for ieee 80211b/g wlan applications the prototype presented can interconnect with an of-the. This thesis will focus on field testing to evaluate the feasibility of employing electronically steered (phased array) antennas to provide a ship-to-shore wireless network connection (80211g) for littoral maritime assets. A wireless sensor network for smart roadbeds thesis supervisor printed circuit microstrip antenna for the 915 mhz us ism band. Different subsystems and components, the focus on this thesis is the antenna more steering is the digitally based smart antenna  the smart antenna (fig 13.
Rami kivirinta smart antenna grid for outdoor distributed system master of science thesis examiners: professor jukka lempiäinen, dsc tero isotalo. Using smart antenna the performance of a particular system can be improved as the signals from the antenna elements are combined using a signal processor, processed, and then is fed to the output to get the optimized desired signal. Smart antenna systems ease the system design issues and st has a range of products to support them we offer a range of leading-edge processors, gnss receivers, sensors and a complete family of pin-to-pin compatible terrestrial tuners. 2 grow what is this talk about • there is an ever growing need for capacity, in mobile communications • space is another resource available for separating signals • smart antennas get into the picture, for this. Smart antennas have gained greater interest over the recent years 12 motivation and objectives of thesis in most mobile channels, there is more than one propagation path between each.
Thesis - smart antenna application in ds cdma mobile communication system - download as pdf file (pdf), text file (txt) or read online scribd is the world's largest social reading and publishing site. Smart antenna systems have received increasing interest recently as the de- mands for good quality and latest value added services on the available wire- less communication systems are increasing. Smart antenna systems could steer beams for reception in the direction of desired incoming signals objective: to design and optimize a uniform linear array (ula) for a smart antenna system to be implemented in fixed wimax base stations. 2 smart antennas systems smart antennas are essential parts of the new generation of mobile systems they can be used to exploit spatial and spectral characteristics of the incoming signals to.
For my master's thesis i chose smart antennas as an area to focus on i approached the chair signals and systems for my thesis as its research interests share a common field with my interests. Naval postgraduate school monterey, california thesis approved for public release distribution is unlimited smart antenna application in ds-cdma mobile. An antenna array and extracting information of interest it has played an important role in widespread applications like radar, sonar, and wireless communications. Iii of results and change the performance of the network accordingly the crux of this thesis is the antenna pattern model that is consistent with a practical directional antenna pattern, with.