2012 3rd International Workshop on Cognitive Incromation Processing (CIP) A Cognitive Scheme for Radio Admission Control in LTE systems Biljana Bojovic‚ Nicola Baldo and Paolo Dini Centre Tecnol`ogic de Telecomunicacions de Catalunya (CTTC)‚ IP Technologies Area Av. Carl Friedrich Gauss 7‚ Castelldefels (Barcelona)‚ Spain {bbojovic‚ nbaldo‚ pdini}@cttc.es Abstract— In order to provide QoS requirements in high speed future communication networks‚ such as LTE‚ the operator has to provide a Radio Admission
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well as video content in general‚ presents a challenge for existing Wi-Fi 802.11n based networks. IEEE 802.11ac is the next evolution of the Wi-Fi standard that promises to deliver multiple HD video streams instantaneously. It can reach maximum throughputs well above a Gigabit per second compare to Wi-Fi 802.11n based networks which is much slower. The 802.11ac specification dictates operation in the 5 GHz band‚ where there is relatively less interference and more channels are available compared to
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802.11g Abstract 802.11n was developed to address issues of distance and speed. These were issues with wireless g and especially big issues with legacy devices that were used previously. Wireless N devices allow for a wider range by using multiple-input multiple-out and multiplexing allowing more data to be sent at a given time than before in previous a/g devices. It also allows for better communication between the radios and receivers to modify the signal so that noise becomes less of an issue and
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Broadband System – P Satellites are spaced every 2nd degrees above earth "C" Band Toward satellite 6.0 GHz Toward earth 4.0 GHz "L" Band Toward satellite 14.0 GHz Toward earth 12.0 GHz TV TRANSMITTER Headend Cable area 1 DOCSIS‚ QPSK‚ QAM signal and Cable Modem System. Understanding DOCSIS Operating System. A Cable system operating with Cable Modems required‚ •A bi-directional HFC or CATV system. •A Cable Modem Termination System at the Headend or Hub site. •A 100 BaseT
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of flow performance Throughput rate (or flow rate) is the rate at which items emerge from the process‚ i.e. the number of items passing through the process per unit. Cycle time‚ or takt time‚ is the reciprocal of throughput rate – it is the time between items emerging from the process. The term ‘takt’ time is the same‚ but is normally applied to ‘paced’ processes like moving belt assembly lines. It is the ‘beat’‚ or tempo‚ of working required to meet demand. Throughput time is the average elapsed
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Processing an insurance claim for an accident. Admitting a patient to a hospital. Performing the 30‚000-mile maintenance on a car. 2 Concepts This case will familiarize you with the following concepts: PROCESS FLOW DIAGRAM THROUGHPUT TIME FOR AN ACTIVITY THROUGHPUT TIME FOR THE PROCESS CAPACITY OF AN ACTIVITY CYCLE TIME OF AN ACTIVITY BOTTLENECK CAPACITY OF THE PROCESS CYCLE TIME OF THE PROCESS UTILIZATION OF A RESOURCE GANTT CHART PROCESS INCREASING THE CAPACITY OF A PROCESS 3 Process
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BEYOND 802.11N So what’s next on the wireless horizon? A new standard‚ known as Very High Throughput (VHT)‚ will feature data rates of between 4Gbps and 7Gbps‚ nearly five times the rate of 802.11n‚ and will operate on the 60GHz frequency band. As such‚ the new standard will likely have limited range and will be best suited to peer-to-peer applications such as streaming video from one device to another or moving very large chunks of data in a matter of seconds. Definitions Latency : In a network
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will provide two examples of inputs and two examples of processes (throughput) by referring to the open-system model‚ in relation to the operation team at Cirque du Soleil. The second part of the report will provide some explanation of how the inputs and process chosen will impact (influence) team effectiveness (output) at Cirque du Soleil. Part one The two examples that we have chosen for the inputs are organisational setting and membership characteristics. Inputs: As you can
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It processes all the information based on the inputs given to it through sensors. PID algorithm is embedded into the controller and thus the stability of the quadcopter will be achieved. PID algorithm works based on the inputs from accelerometer and gyroscope. The digital output from the controller depending upon the PID algorithm will be used to control the motors through electronic speed controllers. We will
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What is the future demand? Issue(s) Identification: Here are some questions to help you discover the issues in the case: • What is the root problem? Is anyone angry about the situation? • How important are waiting times? • What is the current throughput time – from doctor’s request to receipt of the radiologist’s diagnosis? • Are there serious problems? Or‚ is this a typical start-up issue that will get better over time? • Is this just a scheduling and communications problem? • How urgent is
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