What is CDMA Introduction?

1, CDMA is the code division multiple access of the English acronym (Code Division Multipul Access), it is in the digital technology branch - spread spectrum communication technology on the development of a new and mature wireless communication technology. 2, CDMA mobile communication technology is based on the principles of The principle of CDMA mobile communication technology is based on spread spectrum technology, which means that the information data to be transmitted with a certain signal bandwidth is modulated with a high-speed pseudo-random code with a bandwidth much larger than the signal bandwidth, so that the bandwidth of the original data signal is expanded, and then modulated by the carrier and sent out. The receiving end uses the exact same pseudo-random code to correlate with the received bandwidth signal, replacing the broadband signal with the narrowband signal of the original information data, i.e., the de-expansion, in order to realize information communication. Thank you for your attention to telecommunication products, I wish you a happy life. If the above information does not solve your problem, you can also log on to the Guangdong Telecom cell phone mall (), to the online customer service help, 7X24 hours online!