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Anritsu Corporation introduces an option that evaluates the RF transmit and receive characteristics of 2x2 MIMO as defined in ...

Full digital demodulator supports 8-VSB and 64/256-QAM. Fully separable core for optional OOB forward data channel. Prototyped in FPGA and tested in the lab and in the field by independent ...

Our universal QAM Demodulator core is aimed at broadband point-to-point and point-to-multipoint applications and supports QAM orders from 2 (BPSK) to 256. Integrates with Commsonics QAM ...

Persistent Link: https://ieeexplore.ieee.org/servlet/opac?punumber=22 ...

Sixteen unique 16-QAM symbols can each convey a unique 4-bit sequence. You can map these positions in various ways, as long as both the transmitter and receiver know the details. Figure 1 shows one ...

Focusing on the Quadrature Amplitude Modulation (QAM) scheme, the strategy is to consider a signal stream of symbols as a classification problem and to create an Autonomous Neural Network (ANN) ...

Figure 3 shows four unique symbols representing two bits, each with Gray-scale coding. This scheme is sometimes called 4-QAM, but that’s a bit of a misnomer. There is no amplitude modulation — all the ...

Abstract: Polar codes are one of the most powerful types of forward error correction codes. These codes are now adopted in the 5G standard for control channels and ...

Coherent optics uses quadrature amplitude modulation (QAM), a method of complex modulation that increases transmission speed and efficiency by extending multi-level modulation to two or more ...