16QAM


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AcronymDefinition
16QAMSixteen-Phase Quadrature Amplitude Modulation
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In this achievement, 116-wavelengths with a 36 Giga-Baud (Giga corresponds to a 109), 16QAM (16-level = 24) modulation, and polarization multiplexed (2-orthogonal polarizations) were transmitted.
The reference states that DACs and ADCs with high ENOB values are needed to implement QAM systems beyond 16QAM.
1 Simulations parameters and their values Parameters Values Digital Modulation QPSK, 8QAM, 16QAM, 64QAM, 265QAM Distance between Source 1Km and Destination, d Number of Relay Nodes, N 1, 4, 8 Channels AWGN, flat Rayleigh fading LDPC Codes WiMAX LDPC codes LDPC Code Rate, r 1/2, 2/3, 3/4, 5/6 Codeword Length, n 2304 bit Encoding Richardson-Urbanke algorithm Decoding Logarithmic BP algorithm Maximum number of iterations 30 Table.
Both of the two techniques supports different modulations, such as QPSK, 16QAM, and 64QAM.
Estandar DVB--Caracteristicas Tecnicas DVB-T DVB-T2 FEC Codigos convolucionales LPDC + BCH + Red Solomon Tasa de codificacion 1/2, 2/3, 3/4, 5/6, 7/8 1/2, 3/5, 2/3, 3/4, 4/5, 5/6 Modulacion QPSK, 16QAM, 64QAM QPSK, 16QAM, 64QAM, 256QAM Canalizacion 5, 6, 7, 8 MHz 1.
En el presente trabajo se escogieron dos tipos de terminales, uno de bajas prestaciones (categoria 12) que solamente soporta modulacion QPSK con 5 codigos y otro de altas prestaciones (categoria 5) que soporta QPSK y 16QAM con hasta 15 codigos lo que permite aumentar el throughput [18].
CEVA's TD-SCDMA software libraries support the latest TD-SCDMA technology compliant with the 3GPP Rel-9 worst case conditions and are user-configurable based on customer needs, including interleaver, rate matching, modulation type (8PSK, QPSK, 16QAM, 64QAM), HARQ, and more.
16 standard MODE 1 2 3 Modulation QPSK QPSK 16QAM RS code (32, 24, 4) (40, 36, 2) (64, 48, 8) CC Code Rate 2/3 5/6 2/3 Coding rate 1/2 3/4 1/2 [R.
2] = ~1536 coding rate SNR(dB) Bits/Symbol QPSK 1/2 5 1536 3/4 8 2304 16QAM 1/2 10.
5 fold over conventional 16QAM with transmission speed up from 9Mbps to 13.
Nokia and CSL have successfully completed the first 16QAM call supporting 3.