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next generation technologies: Optical Receiver

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Tuesday, March 16, 2010 , Posted by santosh at 2:12 AM. Both the LED and LD have attenuation low Optic Receiver. Two types of semiconductor receiver used in fiber optic communication system:. 2 APD ( Avalanche Photo Diode). As well as the optical transmitter, the optical material also consists of semiconductor. Combined with a transmitter Gallium Arsenide (GaAS), quartz and silica fiber (SiO2) and silica (Si) receiver. Currently have 0 comments:. Click here to cancel reply. BSC - Base Station Control.

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next generation technologies: Free GPS Navigation for Google Android

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Free GPS Navigation for Google Android. Tuesday, March 16, 2010 , Posted by santosh at 2:23 AM. Google provides navigation applications based on Gglobal Positioning System (GPS) is free for smartphones that use the Android platform. Application called Google Maps Navigation will be available first on Motorola Droid which will be released for Verizon in the U.S., November 6, 2009. Google Maps Navigation presence is expected to be a major competitor navigation solutions are already widely available on the ...

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next generation technologies: Fiber Optic Structure

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Tuesday, March 16, 2010 , Posted by santosh at 2:18 AM. Silica glass, which is wrapping fiber optics in theory have strength by 14 kN / mm. In practice strength 7 kN / mm depending on the surface defect. Below is some type of optical fiber used in the application:. O System telecommunications regular grade index fiber 50 or 62.5 μm for the core /125 μm thick to thick. O Industry graded index fiber 100 / 140 μmdan 200 / 240 μm. O High Bandwidth distance single-mode fiber 8-12 / 125 μm. Mouse Form of a Ball.

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next generation technologies: BSC - Base Station Control

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BSC - Base Station Control. Tuesday, March 16, 2010 , Posted by santosh at 2:30 AM. BSC is a communicator between the MSC and a number of RBS. One or more torture in the system switching can be controlled by one MSC. BSC control each BTS / RBS to transmitter performance and implementation of handover to other cells in the areas of torture itself. Handover is the ability of MS to get a better signal quality when MS move from one cell to another cell. Handover BTS / RBS there are two types:. The function o...

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next generation technologies: Inter BSC Handover

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Tuesday, March 16, 2010 , Posted by santosh at 2:26 AM. If the MS move the area that these new areas in the Covered BSC with the other inter BSC the handover will occur. A) Based on the results of the measurement of MS, BSC, which will be long decided to handover to the BSC. BSC from a long handover request will be sent to the MSC along with the identity of the new cell. B) BSC / MSC knows where that control the BTS and send request handover to the BSC this (new BSC). G) MS send a handover to the new TCH.

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next generation technologies: Components Optical Receiver

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Tuesday, March 16, 2010 , Posted by santosh at 2:11 AM. Components receiver is consists of Front End, Linear Channel, Data Recovery. Photodiode: To change the optical signal into electric current. Preamplifier: To strengthen the signal for the next. Main Amplifier: Automatically controlled to limit the output voltage. Low Pass Filter: Voltage to form a useful balance to reduce noise. Decision circuit: To compare the output of the linear channel to the level. Currently have 0 comments:. CDMA 2000 1X EV-DO.

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next generation technologies: Optical Transmitter

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Tuesday, March 16, 2010 , Posted by santosh at 2:15 AM. Laser diode (LD) and Light Emiting diode can be converted from electrical signals a signal light (Electro-optical conversion). Both the oscillator high frequency (≈ 10-e6 GHz) and serves as a noise generator with spectral high bandwidth. Currently have 0 comments:. Click here to cancel reply. BSC - Base Station Control. Measuring Distances to Satellites. Free GPS Navigation for Google Android. Google Earth used Audi A8. Mouse Form of a Ball. Develop...

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next generation technologies: March 2010

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Posted by santosh on Tuesday, March 16, 2010 , under GSM. The various entities in the GSM network are connected to one another through signalling networks. Signalling is used for example, for subscriber mobility, subscriber registration, call establishment, etc. The connections to the various entities are known as ‘reference points’. Examples include:. 8226; A interface – the connection between MSC and BSC;. 8226; Abis interface – the connection between BSC and BTS;. 8226; ISDN user part (ISUP) – I...

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next generation technologies: Intra BSC Handover

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Tuesday, March 16, 2010 , Posted by santosh at 2:27 AM. The process that occurs during the handover intra BSC as follows:. A) During the call, MS will measure the strength and quality of the signal on the TCH and the signal strength from the neighboring cell. MS to evaluate and assess the average for each cell. MS send the results to the BTS measurements every two times in one second cell not only on their own but also the results of measurements from the BTS neighboring cell. Currently have 0 comments:.