Optical Code Division Multiple Access (OCDMA) systems enable simultaneous transmission of multiple data streams over a shared optical medium by assigning each user a unique code sequence. Rather than ...
The origin of multiple access techniques has been around for some time (Viterbi, 1999), when Marconi's 'Tuned Circuit' was the enabling technology for Frequency Division Multiplexing (FDM). This was ...
The 3 rd generation wideband code division multiple access (WCDMA) system is a mobile radio communication system that provides for high-speed data and voice communication services. WCDMA is one of two ...
APIC Corporation, Culver City, California, recently announced that it has received a U.S. Naval Air Systems Command Small Business Innovation Research Phase I contract to design an integrated 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 ...
Enterprises have a new multiple access technique to consider when seeking ways to boost the capacity of their 5G networks: beam division multiple access. Instead of relying on frequencies to allocate ...
In Interleave Division Multiple Access (IDMA), users are assigned with specific inter-leavers instead of PN-sequences as in case of Code Division Multiple Access (CDMA) systems to differentiate ...
Unlike Verizon’s lineup of LTE Android smartphones, we just confirmed with the carrier that the new iPhone 5 would not support simultaneous voice and data over its LTE network. A Verizon spokesperson ...
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 ...