Search for dissertations about: "six-port"
Showing result 1 - 5 of 7 swedish dissertations containing the word six-port.
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1. Differential Six-port Radio Transceiver for Ultra-wideband and Wideband Antennas
Abstract : Requirement for high speed wireless connectivity is propelling research in advanced communication systems. Low power and wide bandwidth of the ultra-wideband technology makes it a potential candidate for high speed data transmission. READ MORE
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2. Study of Six-Port Modulators and Demodulators for High-Speed Data Communications
Abstract : There is an increasing demand for high-speed wireless data communications to support consumers’ need for, among other things, real time streaming of high definition video and fast file transfers. One radio architecture that has a potential to meet the increasing demand for high-speed data communications is a radio technique based on the six-port architecture. READ MORE
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3. Design and Evaluation of Compact Multi-antennas for Efficient MIMO Communications
Abstract : The use of multi-antenna systems with multiple-input multiple-output (MIMO) technology will play a key role in providing high spectrum efficiency for next generation mobile communication systems. This thesis offers valuable insights on the design of compact multi-antennas for efficient MIMO communications. READ MORE
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4. Cold trapping and reinjection techniques for gas chromatography-mass spectrometry
Abstract : This thesis describes the use of cold trapping and reinjection techniques in combination with gas chromatography-mass spectrometry. A summary of different cold trap/ reinjection systems is presented. READ MORE
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5. Ultra-Wideband Low-Noise Amplifier andSix-Port Transceiver for High Speed DataTransmission
Abstract : Today’s data rates in wired networks can reach 100 Gbit/s using optical fiber while data rates in wireless networks are much lower - tens of Mbit/s for 3G mobile communication and 480 Mbit/s for ultra-wideband (UWB) short range wireless communications. This difference in data rates can mainly be explained by the limited allowed frequency spectrum, the nature of the radio signal and the high requirements imposed on all hardware designed for high speed and wideband wireless communications. READ MORE