System for transmitting packet data in digital cellular time division multiple access (TDMA) air interface.

The invention relates to for the digital TDMA cellular system space interface in the transmitting packet data system. The logical channel of the mobile terminal comprises allocating is used for information the information channel and control channel, which can be the quick paging groove and verifying (A) channel. The mobile station initial the logical channel allocation comprising a information channel and embedding groove (R) is information, mobile station and R request of the retains a connection is used to transmit the integrated data. To the invention, a TDMA distribution frame and a time slot is used for transmitting packet, and device and packet transmitting circuit comprises symmetrical/in asymmetrical transmitting packet.