Lab 12: Quadrature Phase-Shift Keying

In this lab project we introduce quadrature phase-shift keying (QPSK), a variation on binary phase-shift keying that encodes two bits of data into each symbol. Using QPSK, we can transmit data at twice the rate, without increasing the channel bandwidth. There will be some loss in performance, however, as somewhat more transmitted power will be needed to maintain a given bit error rate in the presence of noise.
by Dr. Bruce Black | Rose-Hulman Institute of Technology
This is module 12 of 12 in the course set, Introductory Communications Systems.

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USRP and Software Defined Radio Devices

Enables prototyping of wireless communication systems with LabVIEW-powered radios. Software Defined Radio Devices are tunable universal software radio peripheral (USRP) transceivers for prototyping wireless communication systems. Software Defined Radio Devices offer frequency ranges up to 4.4 GHz...

LabVIEW Communications

LabVIEW Communications provides a design environment closely integrated with NI software defined radio (SDR) hardware to enable rapid prototyping communications systems. From host-based USRP prototypes to more demanding host- and FPGA-based USRP RIO and FlexRIO systems, designers can rely on...

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