Optical Code Division Multiple Access (OCDMA) systems represent a cutting‐edge approach to broadband communications, enabling simultaneous data transmission from multiple users over a single optical ...

Access methods are multiplexing techniques that provide communications services to multiple users in a single-bandwidth wired or wireless medium. Communications channels, whether they’re wireless ...

No audio available for this content. GLONASS satellites traditionally use L1 and L2 frequency division multiple access (FDMA) signals. FDMA is characterized by a different transmit frequency for each ...

Code Division Multiple Access is a digital cellular phone technology in which the same wireless frequency carries many conversations simultaneously. When you receive a customer call on your CDMA phone ...

YARMOUTH, Maine—AT&T will phase out its 2G networks by 2017, setting a long-anticipated timeline for the “sunset” of the technology and giving the alarm industry a target date to upgrade cellular ...