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CDMA (Code Division Multiple Access) Technology

The world is demanding more from wireless communication technologies than ever before. More People around the world are subscribing to wireless services and consumers are using their phones more frequently. Add on features of Third-Generation (3G) wireless data services and applications – such as wireless email, web, digital picture taking/sending and assisted-GPS position location.

This is where CDMA (Code Division Multiple Access) technology fits in. CDMA consistently provides better capacity for voice and data communications than other commercial mobile technologies, allowing more subscribers to connect at any given time, and it is the common platform on which 3G technologies are built.

CDMA technology

Multiple Access : The concept behind multiple access is to permit a number of users to share a common channel. The two traditional ways of multiple access are Frequency Division Multiple Access (FDMA) and Time Division Multiple Access (TDMA).

FDMA : In Frequency Division Multiple Access, the frequency band is divided in slots. Each user gets one frequency slot. assigned that is used at will. It could be compared to AM or FM broadcasting radio where each station has a frequency assigned. FDMA demands good filtering.

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What Is Registry Cleaner?

Computer registry is the brain of your computer. We as humans consult our brain before making any decision, similarly computer consults its registry for every decision it has to take. If you are experiencing problems similar to the following then chances are that there is problem with your computer registry.

  • Computer does not shutdown correctly.
  • Computer running too slow.
  • Computer keeps crashing.
  • Unable to remove software using add/remove dialog.
  • Computer does not startup correctly.
  • Computer needs frequent rebooting.

So how to remove registry problem? And how to stop registry problems before they escalates too much? Here comes registry cleaner to the rescue, it acts as a brain surgeon. Now how can one detect and remove registry problems?, in short which registry cleaner to use. Choosing right registry cleaner is as important as choosing a brain surgeon instead of an ordinary doctor for brain surgery.

There are many registry cleaners available with inferior quality. Most of them are based on open source, and what most of the vendor has done is taken that open source, tweaked it a bit and branded with their own label. Result is inferior quality code with limited technical support in times of problem, because they the vendors themselves do not know the code itself.

Another problem is that the most of the registry cleaner comes with spyware or adware that users are not able to detect. These spywares benefits registry cleaner vendors and degrades the performance of our own computer performance.

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