2022年1月20日 · CDMA (Code Division Multiple Access) and GSM (Global System for Mobiles) are shorthand for two older radio systems (also known as 2G and 3G) used in cell phones.

Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies. CDMA is an example of multiple access, where several transmitters can send information simultaneously over a single communication channel. This allows several users to share a band of frequencies (see bandwidth).

2021年10月22日 · CDMA, which stands for Code Division Multiple Access, is a competing cell phone service technology to GSM on older networks that are gradually phasing out. In 2010, carriers worldwide switched to LTE, a 4G network that supports simultaneous voice and data use.

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 phone systems in …

2025年1月1日 · Code Division Multiple Access (CDMA) is a channel access method that enables multiple signals to occupy a single transmission channel, optimizing the use of available bandwidth.

2023年2月12日 · CDMA stands for Code Division Multiple Access. It is basically a channel access method and is also an example of multiple access. Multiple access basically means that information by several transmitters can be sent simultaneously …

2023年7月14日 · CDMA is a wireless transmission technology that allows multiple digital signals to travel over the same carrier channel. Qualcomm developed and patented CDMA as a commercial cellular networking method in the 1990s, and carriers first deployed networks using the technology in 1995.

CDMA, or Code Division Multiple Access, is a digital cellular phone technology that uses spread spectrum wireless networking technologies.

CDMA is an acronym used for Code Division Multiple Access. CDMA is a technique that allows multiple users to simultaneously transmit data signals over a common channel by assigning unique spreading code to each individual user.

2025年3月24日 · GSM and CDMA are two key mobile communication technologies, with GSM using SIM cards and being globally compatible, while CDMA operates without SIM cards and offers better call quality and security but has limited global roaming.