For the TDMA frame of Figure 16.12, assume the following parameters. The frame length is 2 ms. Data are encoded using QPSK with a signal element rate of 60.136 Mbaud. All traffic bursts are of equal length of 16,512 bits. The reference burst has length of 576 bits, the preamble is 560 bits, and the guard interval is 24 bits. Assume that there are two participating reference stations, so that two reference bursts are required.
a. Determine the maximum number of earth stations the system can serve.
b. What is the frame efficiency (fraction of frame carrying user data rather than overhead bits)?
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