| 摘要 |
A method of operating a mobile station requesting uplink access from a base station subsystem includes transmitting a first access request to a base station subsystem, and looking for an assignment message matching the first access request from the base station subsystem during a response interval after transmitting the first access request. When an assignment message is not received during, the response interval, a second access request is transmitted to the base station subsystem after expiration of a retransmission interval after transmitting the first access request, with the retransmission interval being longer than the response interval.
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