Wireless communication systems
Top PDF Wireless communication systems:
Diseño de una antena de microcinta reconfigurable con polarización lineal o circular para sistemas de comunicaciones inalámbricas Design of a reconfigurable antenna with linear or circular polarization for wireless communication systems
... In recent years it has been increased the need of small mobile devices with a high data transfer capability. Furthermore, in mobile device applications signal fadings due to antenna polarization occur. Due to this, is ...
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TítuloTime Modulated Arrays: From their Origin to Their Utilization in Wireless Communication Systems
... electromagnetic systems whose radiated power pattern is controlled by the application of variable-width periodical pulses to the individual ...a communication channel into frequency diversity, thus ...
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Sincronización de portadora para sistemas de comunicaciones ópticas coherentes inalámbricasCarrier Synchronization for Optical Wireless Communication Systems
... Se estudian las diversas perturbaciones que afectan el desempeño del sistema de sincronización, asi como el criterio empleado para el diseño y especificación de los componentes de un laz[r] ...
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RFID system investigation for vehicular identification application
... the wireless communication systems, but in the case of UHF RFID systems it should be considered too other propagation problems, such as: if the vehicle identification takes place on a highway, ...
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The design of a wireless solar powered router for rural environments isolated from health facilities
... that wireless cards are the most power-hungry devices in our system, our group developed a software protocol to minimize this ...and wireless cards transmitting, receiving, and idle), we can obtain a chart ...
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Cognitive wireless sensor network platform for cooperative communications
... Tests carried out over the platform prove some of its valuable capabilities and features. Current consumption is under 1 mA during sleep modes. Protocol stack and RIs man- agement tasks have been measured. Longest time ...
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Transmission Interference Improvement of Railway Communication via Distributed Antennas System.
... Abstract— Transmission interference is a key performance indicator of railway digital mobile communication system (RDMCS), whose performance will become worse in high-speed railway. The factors that influence the ...
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Evaluation of Multi-Channel Communication for an Outdoor Industrial Wireless Sensor Network
... When an end-node receives a beacon from the co- ordinator, it waits until the time interval allocated to it and performs the transmission of a data packet to the coordinator. Each slot has a duration of 100 ms. This ...
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Performance analysis of a fourth generation wireless communication system developed on a software defined radio environmentPerformance analysis of a fourth generation wireless communication system developed on a software de?ned radio environment
... The OFDMA technique was originally introduced as an air interface technology in the fixed wireless network IEEE802.16d standard in 2004; the IEEE802.16e standard was implemented in 2005 in order to allow users ...
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Service delivery systems for natural resource stakeholders :targeting, information and communication functions and policy considerations
... and communication channel preferences; no one-fits-all approach or system is ...advice systems that respond to their unique predicament (Alex et ...advice systems may be of limited relevance in terms ...
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Achievable Data Rate of DCT Based Multicarrier Modulation Systems
... also assumed at the receiver. The results for several kinds of redundancies are shown, namely CP for DFT-MCM, and SE and ZP for the DCT-MCM. Similar simulations have been carried out including ZP as redundancy for ...
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Communication Middleware for Distributed Hard Real-Time Systems in Java
... Real-Time Systems (RTS) are also embedded ...embedded systems are mass-produced, bene- fiting from economies of ...time systems include different types of systems, from portable devices such ...
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A survey and comparison of anonymous communication systems : Anonymity and security
... Pipenet [15] was presented by Dai as an anonymity system for low-latency traffic. Its design was based on Chaum’s mix network [9] and its main goal was security up to the point of paranoia, because if the system detected ...
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Atmospheric compensation experiments on free-space optical coherent communication systems
... communications systems for wireless links have been proposed, studied, and implemented mainly due to the higher bandwidth that this technology is able to ...(RF) systems have been maintained in ...
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Application of CMOS-MEMS integrated resonators to RF communication systems
... the wireless market has become one of the most important drivers in consumer ...to wireless technologies like WI-FI, Bluetooth and RF-ID, wireless became an important pie in which every company wants ...
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Full Potentiostat System with wireless communication in a Programmable System On a Chip and a PC
... The prototype results will be compared against to the Electrochemical Analyzer- Workstation (EAW), model 700E series, from CH Instruments. The electrochemical techniques to perform are LSV, CV, and DSC. The materials and ...
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Dynamic complexity of autonomic communication and software systems
... ICT) systems, where it is correctly associated with linear “noncom- putability” and technical failure (we shall consider below that limiting regime of real system ...ICT systems, where causal randomness can ...
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A reconfigurable ethernet switch for self-optimizing communication systems
... Real-Time Communication System ...mechatronic systems that efficiently uses the available hardware ...optimizing systems are able to adapt automatically to dynamically changing environments and user ...
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Design and deployment of wireless networks for drones control
... Using the Wi-Fi technology positioning, the use of received signal strength method (RSSI), namely: distance from the AP, the received signal strength is weak; and wireless AP position is relatively stable, and ...
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SVD based beamforming communications over narrow band quasi static MIMO channels
... of communication, such as IEEE ...budget. Wireless sensor network (WSN) is an example of these type of applications, in which a set of electronic devices communicate with each other wirelessly in a ...
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