Friday, July 31, 2009

Femtocell Technology

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Femtocells have the potential to transform communications by making the mobile device the tool of choice even in home settings. However, vendors and operators face substantial technical challenges to realize the potential of femtocells. For example, femtocells will increase the number of base stations by several orders of magnitude over the existing “macro” base station infrastructures. This increase will demand new approaches to areas such as mobility and interference mitigation. At such volumes, femtocell vendors will also need to follow an aggressive cost curve. Femtocells will require new approaches to installation and configuration, because they will be installed by non-technical users.

Flat femtocell network architecture collapses the base station, radio network controller, and packet data nodes of a macro-cellular radio network into a small femtocell access point.

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Thursday, July 30, 2009

Real time Logic Circuit Design Concepts

HTML clipboardThe Integrated Chips for performing basic digital operations & functions such as multiplexers, demultiplexers, adders, comparators, code converters, shift registers and counters etc are implemented using combinational & sequential circuits and are termed as fixed function ICs. In some applications where operational requirements may change over time, a non fixed functional ICs will be more advantageous.
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Wednesday, July 29, 2009

Spy Cell Phones

Imagine a cell phone secretly watching your behavior. Think of your mobile phone eying your actions and recording them in its memory. Sounds impossible? I am afraid, it isn’t. In fact, cell phones can be used to track user behavior and record conversations and text messages that are exchanged through them.
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Multiseat Computing

Most of the companies are looking for extensive methods for cost cutting in present economic situation. And this pressure is leading to new innovative ideas either sharing or reducing the resources. Under such circumstances Multiseat technology is providing a very cost effective way of sharing one PC by about 30 people with a help of software and access devices.
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