| 摘要 |
A priority access channel assignment system and a messaging protocol for wireless mobile stations. A mobile station (MS1, ..., MS10) originates a call that manually or automatically includes a request for priority access. If system resources are unavailable to process the call immediately, the origination message is processed by a base station (BS1, BS2) and a mobile switching center (MSC) using a plurality of messaging protocols to determine the time at which the call was originated and the priority associated with the call. Based on priority and arrival time, the base station (BS1, BS2) queues the call where higher priority calls are placed in a higher position in the queue than lower priority calls. Calls having identical priority may be placed in the queue in order of the time of arrival. When system resources become available, the pending call with the highest priority is assigned a channel and the call is processed in a conventional manner.
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