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Q.

What is meaning of CDMA

Tags: cdma
Asked by Shouman Chakraborty, 21 Jan '08 09:28 pm
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Answers (7)

1.

Code division multiple access (CDMA) is a channel access method utilized by various radio communication technologies. It should not be confused with cdmaOne (often referred to as simply "CDMA"), which is a mobile phone standard that uses CDMA as its underlying channel access method.

CDMA employs spread-spectrum technology and a special coding scheme (where each transmitter is assigned a code). In communications technology, there are only three domains that can allow multiplexing to be implemented for more efficient use of the available channel bandwidth and these domains are known as time, frequency and space. CDMA divides the access in signal space. By contrast, time division multiple access (TDMA) divides access by time, while frequency-division multiple access (FDMA) divides it by frequency. CDMA is a form of "spread-spectrum" signaling, since the modulated coded signal has a much higher bandwidth than the data being communicated.

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Answered by GOPI KUMAR, 21 Jan '08 09:30 pm

 
  
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2.

Code division multiple access (CDMA) is a channel access method utilized by various radio communication technologies
Answered by himanshu sharma, 21 Jan '08 09:30 pm

 
  
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3.

Code division multiple access (CDMA) is a channel access method utilized by various radio communication technologies. It should not be confused with cdmaOne (often referred to as simply "CDMA"), which is a mobile phone standard that uses CDMA as its underlying channel access method.

CDMA employs spread-spectrum technology and a special coding scheme (where each transmitter is assigned a code). In communications technology, there are only three domains that can allow multiplexing to be implemented for more efficient use of the available channel bandwidth and these domains are known as time, frequency and space. CDMA divides the access in signal space. By contrast, time division multiple access (TDMA) divides access by time, while frequency-division multiple access (FDMA) divides it by frequency. CDMA is a form of "spread-spectrum" signaling, since the modulated coded signal has a much higher bandwidth than the data being communicated.

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Answered by Justin William, 21 Jan '08 09:29 pm

 
  
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4.

stands for Code Division Multiple Access which is used for communition purpus CDMA voice clarity is very good than compare to GSM
Answered by venu g, 21 Jan '08 09:30 pm

 
  
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5.

CDMA (Code-Division Multiple Access) refers to any of several protocols used in so-called second-generation (2G) and third-generation (3G) wireless communications. As the term implies, CDMA is a form of multiplexing, which allows numerous signals to occupy a single transmission channel, optimizing the use of available bandwidth. The technology is used in ultra-high-frequency (UHF) cellular telephone systems in the 800-MHz and 1.9-GHz bands.
Answered by Mridul Sharma, 21 Jan '08 09:30 pm

 
  
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6.

Code division multiple access (CDMA) is a channel access method utilized by various radio communication technologies. It should not be confused with cdmaOne (often referred to as simply "CDMA"), which is a mobile phone standard that uses CDMA as its underlying channel access method.

CDMA employs spread-spectrum technology and a special coding scheme (where each transmitter is assigned a code). In communications technology, there are only three domains that can allow multiplexing to be implemented for more efficient use of the available channel bandwidth and these domains are known as time, frequency and space. CDMA divides the access in signal space.
Answered by sudesh, 21 Jan '08 09:30 pm

 
  
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7.

CDMA - Code Division Multiple Access
Answered by Hiten Azad, 21 Jan '08 09:29 pm

 
  
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