CPC H04L 5/14 (2013.01) [H04L 7/0016 (2013.01)] | 17 Claims |
1. A head end configured for use in a distributed communication system, the head end comprising:
a first time division duplex (TDD) radio interface module (RIM) configured to synchronize based on a downlink signal;
a second TDD RIM;
a summation circuit having a port coupled thereto, the port configured to couple to a remote unit through an optical fiber;
a first switch coupling the first TDD RIM to the summation circuit;
a second switch coupling the second TDD RIM to the summation circuit; and
a control circuit configured to:
while in a synchronization state:
close the first switch to couple the first TDD RIM to the summation circuit; and
open the second switch to disconnect the second TDD RIM from the summation circuit; and
after determining that synchronization is complete:
close the second switch to connect the second TDD RIM to the summation circuit; and
open the first switch to disconnect the first TDD RIM from the summation circuit.
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