Essays about: "unlicensed"
Showing result 21 - 25 of 43 essays containing the word unlicensed.
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21. Study of TCP Available Bandwidth Using NS2 and Its Forecasting Based on Genetic Algorithm
University essay from Karlstads universitet/Institutionen för matematik och datavetenskapAbstract : On the one hand, the available bandwidth in a bandwidth-limited medium as the wireless medium is a highly demanded topic of study. On the other hand, the Transport Control Protocol (TCP) is one of the most used transport protocols on the Internet. READ MORE
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22. Study and Comparison of Spectrum Sensing Methods
University essay from KTH/Skolan för informations- och kommunikationsteknik (ICT)Abstract : Efficient utilization of frequency bands has attracted more and more attention. Most of the licensed spectrum nowadays is under-utilized and some unlicensed services are allowed to use the available spectrum without causing harmful interference to the primary users. Therefore, unlicensed users should be able to detect spectrum holes reliably. READ MORE
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23. Scalability Performance of Ericsson Radio Dot System
University essay from KTH/Skolan för informations- och kommunikationsteknik (ICT)Abstract : In the past, network providers resorted to indoor solutions for coverage reasons. However, as traffic volume grows and multiple hotspots appear indoors, capacity provision is also becoming a drive for in-building networks, in particular at the expense of LTE bit rate promises. READ MORE
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24. Minding the spectrum gaps : First steps toward developing a distributed white space sensor grid for cognitive radios
University essay from KTH/Radio Systems Laboratory (RS Lab)Abstract : The idea that the radio spectrum is growing ever more scarce has become commonplace, and is being reinforced by the recent bidding wars among telecom operators. New wireless applications tend to be deployed in the relatively narrow unlicensed frequency bands, worsening the problem of interference for all users. READ MORE
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25. An Investigation of RF Pollution Caused by IEEE 802.15.4 Body Area Networks
University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskapAbstract : Advancement in wireless communication technologies such as wearable sensors together with recent developments in embedded computing area is enabling the design, development and implementation of body area networks. These network developments mainly use the IEEE 802.15.4 which is aimed at low power, short range communications. READ MORE