Method of wireless communication between base station and mobile station and multiple access communication system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 16, 1996
Grant Date -
N/A
app pub date -
Jul 7, 1993
filing date -
Jul 7, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a communication system having a base station for controlling a transmission right and a plurality of substations, a substation having data to be transmitted transmits the number of necessary fragments and its address to a request field of a communication frame. The base station uses a plurality pair of fragment slots and reply slots following the request field in the communication frame to transmit an address of a substation permitted to transmit data, to each fragment slot. The substation permitted to transmit data transmits the address of a destination substation and the data to a predetermined field following the address in one fragment slot. The destination station transmits a reply signal indicating the reception state of the data to the reply slot paired with the fragment slot. If the base station detects from the reply signal that the destination station failed in receiving the data, the base station instead of the substation first transmitted the data transmits the destination address and data received at the fragment slot to the next fragment slot.
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