Bit synchronous switching system for space diversity operation

Details Bit synchronous switching system for space diversity operation Bit synchronous switching system for space diversity operation

1980-04-01

1982-09-14

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

371 68, 375100, 455135, 455136, H04B 708, H04L 106

Patent

active

043499147

ABSTRACT:
A bit synchronous switching system is disclosed which has applicability in a space diversity system of digital telecommunications. Two versions of a signal waveform are received at two remote locations from the same signal source. The end user is able always to receive the more intelligible signal by means of instantaneous switching logic. An acquisition and tracking circuit, which can include a delay lock loop, keeps the two signal streams synchronized. One data stream is used as a reference and the time delay of the other is varied so that the time differential between the two streams is tracked out. The system features continuous tracking and does not require any frame synchronization to be superimposed on the data stream.

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