8PSKEight-Phase Shift Keying
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Broadcom's BCM7335 with PVR functionality, and higher capacities enabled by 8PSK modulation, is one of those SoCs well suited for more efficient HD channel delivery and widespread adoption.
The minimum rotation angle that leaves the 8PSK constellation unchanged is 45[degrees].
The smaller package includes features that our customers expect in a high-performance EDGE PA -- separate amplifier chains for GSM850/900 and for DCS/PCS bands and optimized performance in both GMSK and 8PSK modes.
The generator has built-in support for the most common vector modulation schemes: ASK, QPSK, DQPSK, IC/4 DQPSK, 8PSK, FSK, CPM, QAM (4 to 256), 8VSB, and 16VSB.
Major user enhancements were announced in July, enabled by the upgrade of the digital modulation scheme of the KA-SAT infrastructure from 8PSK to 16APSK that has increased the system's total throughput.
Optimized support of MPEG-4 HD transmissions on satellite MCPC platforms, incorporating DVB-S2 8PSK modulation that offers 40% higher throughput versus comparable DVB-S platforms;
The external circuit uses the linear detector output to set a fixed bias point for 8PSK (EDGE) mode and a variable bias point for GMSK (GSM) mode, which allows easy-to-implement timing and calibration.
About DSR-4440 and DSR-4460 Integrated Receiver Decoders The ARRIS DSR-4440 and DSR-4460 IRDs decode MPEG-2 or MPEG-4 services over QPSK and DVB-S2 8PSK modulation.
The SkyEdge II inbound is based on the RCS standard, with additional enhancements such as 8PSK modulation, inbound adaptivity and customized QoS for backhaul applications.
The SMD 989 platform supports six-input VCM multistream without the need for an external aggregators, and offers advanced S2 modes such as 8PSK, 16APSK, and 32APSK that optimize transponder use and ensure the product is ready for the future of video delivery.
75MHz, Horizontal-Polarization, 8PSK, 2/3, 22Msymb/s (DVB-S2)
How to receive Eurochannel: EUTELSAT 16A at 16A East Downlink Frequency: 10 804 MHz Polarisation: Horizontal DVB-S2 8PSK FEC, 2/3 Symbol rate, 30 Mbaud