Time diversity communication method and communication device

Details Time diversity communication method and communication device Time diversity communication method and communication device

1997-03-27

1998-12-15

Chin, Stephen

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

375299, 375347, H04B 702, H04L 102

Patent

active

058504192

ABSTRACT:
In time diversity communication system, loss of data or generation of incorrect data may occur due to, for example, the shadow effect. In the present invention, on the transmission side, an interlaced signal is generated in which the input digital signal string is combined with the same signal string delayed by n bits, k redundancy bits are added to every m bits of this signal, the signal is divided into blocks of (m+k) bits, an interleaving process is executed for every j blocks in which unique words are added, following which the signal is transmitted. On the receiving side, unique words are detected, a de-interleaving process is performed, and a check is made for the presence of error signals. The delayed and non-delayed signals are next separated from the decoded data, and depending on the state of the signals, the desired signal is selected at selector 33 and outputted. A conformity judgment circuit judges conformity with the separated signal determined to be effective using effective gate signals indicating the effectiveness or ineffectiveness of decoded data, performs switching control of the separated signals, and monitors synchronization.

REFERENCES:
patent: 5446759 (1995-08-01), Campana, Jr.
patent: 5446959 (1995-09-01), Saleh et al.

Affiliated with

Also associated with

Rating

Time diversity communication method and communication device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Time diversity communication method and communication device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Time diversity communication method and communication device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1463222