4-PAM

AcronymDefinition
4-PAMFour-Level Pulse Amplitude Modulation (telecommunications)
References in periodicals archive ?
In the transmission between two users, the in-phase component and quadrature component of every symbol convey different information, and they are 4-PAM signals.
The newly added HSPA+ functionalities include 64 QAM analysis for the downlink and 4-PAM (16QAM) analysis for uplink.
Titled, "A 2Gb/s/pin 4-PAM Parallel Bus Interface with Transmit Crosstalk Cancellation & Equalization and Integrating Receivers," this presentation detailed the design of a 2Gb/s/pin single-ended 4-PAM interface and showed measured system margins in a test system representing a low-cost consumer environment.