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1. A communication system uses Quadrature Phase Shift Keying (QPSK) modulation for transmission. 1) When the information symbols are mapped into the carrier phase according to the rules shown in Table 1, provide the expressions for the QPSK signals. (0,0) (1,1) π/4 5π/4 Symbol Phase, e (1,0) 3π/4 (0,1) 7π/4

1. A communication system uses Quadrature Phase Shift Keying (QPSK) modulation for transmission. 1) When the information symbols are mapped into the carrier phase according to the rules shown in Table 1, provide the expressions for the QPSK signals. (0,0) (1,1) π/4 5π/4 Symbol Phase, e (1,0) 3π/4 (0,1) 7π/4

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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1. A communication system uses Quadrature Phase Shift Keying (QPSK) modulation for transmission. 1) When the information symbols are mapped into the carrier phase according to the rules shown in Table 1, provide the expressions for the QPSK signals. Symbol (0,0) (1,1) Phase, e π/4 5π/4 (1,0) 3π/4 (0,1) 7π/4
Transcribed Image Text:1. A communication system uses Quadrature Phase Shift Keying (QPSK) modulation for transmission. 1) When the information symbols are mapped into the carrier phase according to the rules shown in Table 1, provide the expressions for the QPSK signals. Symbol (0,0) (1,1) Phase, e π/4 5π/4 (1,0) 3π/4 (0,1) 7π/4
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Digital Modulation Scheme (Amplitude-Shift Keying [ASK], Phase-Shift Keying [PSK], Frequency-Shift Keying [FSK])
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