Abstract
Two techniques, complementary coding and signal editing, are introduced to improve satellite automatic repeat request (ARQ) communications. In conventional ARQ systems, one transmission and one retransmission can only provide two chances to acquire the correct message signal. However, when the two new techniques are integrated with ARQ, it could result in a total of thirteen opportunities to acquire and reconstruct the message signal. This implies that, if a lower rate error correction code can be split into high rate complementary codes and the coded sequences transmitted in different time sequences, more opportunities to derive the correct message signal will occur. >
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