1)what is cdma technology?
2)how can cdma work?
3)history of cdma?
- 10 Answers
- 42565 Views
- College School Exams Tests, Wipro, I also Faced
- E-Mail Answers
Answer Posted / rakesh kumar
1. Communication systems use this technology for multiple access technique for cell phone usage. It is a combination of TDMA and FDMA technologies and is therefore a hybrid version of the two. In this technique there is a secured communication because it uses an individual pseudo-noise sequence for each subscriber to the service. This technique is called digital sequence spread spectrum technology.
2. The original digital signal is converted to a higher frequency and this action tends to flatten or broaden the spread of the original spectrum in the frequency, also called a domain. As a result, the signal is visible as a noise but because of the pseudo-noise sequence the receiver does not hear this noise. This technology has drastically increased the number of subscribers that can exist in one cell. It also provides for a more secure communication link.
3. CDMA was developed during second world war in order to transmit signals in military high security provide a wide application in military.
| Is This Answer Correct ? | 0 Yes | 2 No |
Post New Answer View All Answers
