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 ...

In CDMA cellular phone systems, a smooth transition from one cell to another. Unlike analog FDMA and digital TDMA systems, which use different frequencies in adjacent cells, CDMA uses the same ...

Graham J. Hook, Peng Zhang, I. Lagroye, Li Li, Ryuji Higashikubo, Eduardo G. Moros, William L. Straube, William F. Pickard, Jack D. Baty and Joseph L. Roti Roti To determine whether exposure to ...