System for transmitting packet data in radio telephone TDMA syst

Details System for transmitting packet data in radio telephone TDMA syst System for transmitting packet data in radio telephone TDMA syst

1995-06-05

1998-03-17

Nguyen, Chau

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

370348, H04Q 738, H04B 7212

Patent

active

057295417

ABSTRACT:
The invention relates to a method for transmitting packet data in a cellular system. The number of time slots in a TDMA frame dedicated for packet transmission varies according to transmission needs and each logical channel consisting of corresponding time slots in consecutive TDMA frames is independent of the other logical channels. A data packet is encoded in an information channel frame consisting of N-1 information bursts, and between the frames there can be an acknowledge/retransmission request burst (ARQ) reporting that a received frame was error-free or requesting retransmission. Thus, the information channel consists of repeated sequences of N bursts. Also disclosed are the structure of a packet paging burst (PP), packet random access burst (PRA), packet access grant burst (PAG), acknowledge/retransmission request burst (ARQ) as well as the use of the bursts in starting and maintaining the transmission.

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