Quadrature amplitude modulation (redirect from 16QAM)
Quadrature amplitude modulation (QAM) is the name of a family of digital modulation methods and a related family of analog modulation methods widely used...
15 KB (1,924 words) - 19:49, 26 August 2024
28 Mbit/s and 42 Mbit/s with a single 5 MHz carrier for Rel7 (MIMO with 16QAM) and Rel8 (64-QAM + MIMO), in good channel conditions with low correlation...
18 KB (1,783 words) - 15:20, 12 June 2024
scheme π⁄4-DQPSK QPSK, 16QAM, 64QAM QPSK, 16QAM, 64QAM 4QAM, 4QAM-NR, 16QAM, 32QAM, 64QAM QPSK, 16QAM, 64QAM, 256QAM BPSK, QPSK, 16QAM, 64QAM Useful symbol...
88 KB (11,245 words) - 13:51, 21 August 2024
systems can use quadrature amplitude modulation to maximize throughput. 16QAM uses a 16-point constellation to send four bits per symbol, with speeds...
67 KB (7,719 words) - 03:25, 2 August 2024
(400GBASE-ZR) Dual polarization 16-state quadrature amplitude modulation (DP-16QAM) with coherent detection is proposed. 200 Gbit/s Ethernet Define a physical...
55 KB (2,422 words) - 17:55, 21 August 2024
data transmission. Supported modulation formats on the PDSCH are QPSK, 16QAM and 64QAM. The Physical Multicast Channel (PMCH) is used for broadcast transmission...
22 KB (2,526 words) - 22:02, 25 April 2024
dual carrier, higher symbol rate and higher-order modulation (32QAM and 16QAM instead of 8PSK), and turbo codes to improve error correction. This results...
16 KB (1,957 words) - 12:45, 17 August 2024
Thus, there is an exponential rise in the SNR requirement if one adopts a 16QAM or 64QAM; however, the spectral efficiency improves. Nyquist–Shannon sampling...
21 KB (3,073 words) - 21:58, 25 April 2024
Logical Channels (MLC) 1-7 Modulations used QPSK (4 symbol constellations), 16QAM (16 symbols) Spacing between sub-carriers 1.355 kHz (5.55 MHz / 4,096 sub-carriers)...
16 KB (1,783 words) - 01:23, 30 July 2024
and an attainable modulation efficiency of 2N (bit/s)/Hz. Example 3: A 16QAM modem has an alphabet size of M = 16 alternative symbols, with N = 4 bit/symbol...
25 KB (2,139 words) - 15:49, 10 July 2024