May 8, 2002 #1 C cliffliu Junior Member level 3 Joined Mar 10, 2002 Messages 31 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 154 I have some problem for satellite communication. 1. Why my structure must be PM after PBSK? for telemetry downlink. 2. If RS(255,233) change to RS(255,233)+Convolutional code(r=1/2, k=7), I can get how much coding gain? Thank!
I have some problem for satellite communication. 1. Why my structure must be PM after PBSK? for telemetry downlink. 2. If RS(255,233) change to RS(255,233)+Convolutional code(r=1/2, k=7), I can get how much coding gain? Thank!