Method for repeating TDM/TDMA frames

Details Method for repeating TDM/TDMA frames Method for repeating TDM/TDMA frames

1989-06-26

1992-05-12

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

375 3, H04J 306

Patent

active

051133946

ABSTRACT:
An improved method for repeating TDM/TDMA frames in a trunked wide area network environment is disclosed that repeats a user's inbound information during the same time slot the user is assigned for transmit, yet minimizes the added bulk audio delay. According to the invention, the last portion of the inbound information received in a previously-received time slot is combined with all but the end of the currently-received slot for repeating during the currently-received time slot. The information received at the end of the current time slot is stored for repeating during the next assigned inbound time slot period. This method provides a timing technique that allows for wide area networking of TDM trunking systems, yet without incurring excess added bulk audio delay and maintaining all the features of TDM. A typical repeater embodying this method is also described.

REFERENCES:
patent: 4381562 (1983-04-01), Acampora
patent: 4742514 (1988-05-01), Goode
patent: 4845710 (1989-07-01), Nakamura et al.

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