413x0g2 - CCSDS

CCSDS REPORT CONCERNING BANDWIDTH-EFFICIENT MODULATIONSCONTENTS (continued)FigurePage3-10 Pulses C0(t) and C1(t) with BT s =0.25 (left) and BT s =0.5 (right) ................................. 3-73-11 IQ-L1 Implementation of the Transmitter .................................................................... 3-83-12 Scattering Diagram for the IQ-L1 Implementation with 1 and 2 AmplitudeComponents; GMSK with BT s =0.5 .............................................................................. 3-93-13 Scattering Diagram for the IQ-L1 Implementation with 1 and 2 AmplitudeComponents; GMSK with BT s =0.25 ............................................................................ 3-93-14 Eye Pattern at the Output of the Receiver Filter for GMSK with BT s =0.5 ................ 3-103-15 Eye Pattern at the Output of the Receiver Filter for GMSK with BT s =0.25 .............. 3-103-16 Eye Pattern at the Output of the Wiener Equalizer for GSMK with BT s =0.25 .......... 3-113-17 Comparison of the GMSK BT s =0.5 Power Spectra Obtained with anIdeal Transmitter and an FM-2 Transmitter ............................................................... 3-113-18 Comparison of the GMSK BT s =0.5 Power Spectra Obtained with anIdeal Transmitter and an IQ-L1 Transmitter .............................................................. 3-123-19 Filtered OQPSK with Linear Phase Modulator (OQPSK/PM) .................................. 3-133-20 Baseband Filtered OQPSK/PM Implementation Phasor Diagrams ............................ 3-143-21 Baseband Filtered OQPSK with I/Q Modulator ......................................................... 3-153-22 Baseband Filtered OQPSK I/Q Implementation Phasor Diagrams ............................ 3-163-23 Butterworth Filter Magnitude and Phase Response.................................................... 3-173-24 PSD for I/Q and PM Implementations of Baseband Filtered OQPSK with theRecommended Butterworth Filter .............................................................................. 3-183-25 Magnitude and Phase Response of SRRC (α = 0.5) Filter ......................................... 3-193-26 PSD for I/Q and PM Implementations of Baseband Filtered OQPSK with theRecommended SRRC Filter ........................................................................................ 3-193-27 Nyquist Pulse-Shaped SRRC OQPSK Modulator Based on Theoretical Equation ... 3-213-28 Simulated Spectrum of Nyquist Pulse-Shaped SRRC (α=0.5) OQPSKat Output of Saturated SSPA ...................................................................................... 3-213-29 Magnitude and Phase Response of 6th Order BT s = 0.5 Bessel Filter ........................ 3-223-30 PSD for I/Q and PM Implementations of Baseband Filtered OQPSKwith a 6th Order BT s = 0.5 Bessel Filter ..................................................................... 3-233-31 Structure of the 4D 8PSK-TCM Coder/Mapper ......................................................... 3-253-32 Differential Coder and Modulo-8 Adder Principle ..................................................... 3-263-33 Convolutional Coder Recommended for High Data Rates ......................................... 3-263-34 Constellation Mapper for 2 Bits/Channel-Symbol ..................................................... 3-273-35 Constellation Mapper for 2.25 Bits/Channel-Symbol ................................................ 3-283-36 Constellation Mapper for 2.5 Bits/Channel-Symbol .................................................. 3-293-37 Constellation Mapper for 2.75 Bits/Channel-Symbol ................................................ 3-303-38 Coder and Mapper Implementation for 2 Bits/Channel-Symbol Efficiency .............. 3-313-39 Coder and Mapper Implementation at 2.25 Bits/Channel-Symbol Efficiency ........... 3-313-40 Coder and Mapper Implementation at 2.5 Bits/Channel-Symbol Efficiency ............. 3-323-41 Coder and Mapper Implementation at 2.75 Bits/Channel-Symbol Efficiency ........... 3-323-42 4D-8PSK-TCM Phase Noise Mask Recommendation ............................................... 3-33CCSDS 413.0-G-2 Page vi October 2009