Prioritizing a multiple access channel in a wireless telephone system

A wireless base station for operation in a wireless system, the wireless base station being interconnected to a switching system for establishment of communication links and the wireless system including a plurality of wireless mobile units for establishing communication with the wireless base station, the wireless base station comprises:

• means for receiving a first service request message from one of the wireless mobile units;
• means for transmitting a first base reply message in one time slot of a frame of time slots;
• the receiving means further receiving a second service request message from the one of the wireless mobile units indicating a collision during the transmission of the first base reply message;
• the determining means further responsive to the indication of a collision for randomly determining a time slot;
• and
• the transmitting means further transmitting a second base reply message in the randomly determined time slot.

A wireless telephone system for the communication of telephone calls having a plurality of wireless base stations and a switching system and a plurality of wireless mobile units for establishing communication with the wireless base stations, each of the wireless base stations comprises:

• means for receiving a first service request message from one of the wireless mobile units:
• means for transmitting a first base reply message in one time slot of a frame of time slots;
• the receiving means further receiving a second service request message from the one of the wireless mobile units indicating a collision during the transmission of the first base reply message;
• the determining means further responsive to the indication of a collision for randomly determining a time slot;
• and
• the transmitting means further transmitting a second base reply message in the randomly determined time slot.

A wireless mobile unit for operation in a wireless system with the wireless mobile unit being connectable to a plurality of wireless base stations by wireless links, the wireless mobile unit comprises:

• means for transmitting a service request message;
• means responsive to a plurality of base reply messages transmitted in a plurality of time slots by the wireless base stations in responsive to the service request message for determining that a set of the base reply messages were transmitted in one of the time slots;
• and
• transmitting means further responsive to the determined set of the base reply messages for transmitting another service request message identifying the one of the time slots.

A method for controlling the operation of a wireless base station in a wireless system, the wireless base station being interconnected to a switching system for establishment of communication links and the wireless telephone system including a plurality of wireless mobile units for establishing communication with the wireless base station, the method comprises the steps of:

• receiving a first service request message from one of the wireless mobile units;
• transmitting a first base reply message to the one of the wireless mobile units in a predefined time slot of a frame of time slots upon the one of the wireless mobile units being assigned to the wireless base station;
• determining a time slot on the basis of the received signal strength of the one of wireless mobile units;
• the transmitting step further transmitting the first base reply message to the one of the wireless mobile units in the determined time slot upon the one of the wireless mobile units not being assigned to the wireless base station;
• the receiving step further receiving a second service request message from the one of the wireless mobile units indicating a collision during the transmission of the first base reply message;
• the determining step further responsive to the indication of a collision for randomly determining a time slot;
• and
• the transmitting Step further transmitting a second base reply message in the randomly determined time slot.

A method for controlling the operation of a wireless base station in a wireless telephone system, the wireless base station being interconnected to a switching system for establishment of telephone calls and the wireless telephone system including a plurality of wireless mobile units for establishing communication with the wireless base station, the method comprises the steps of:

• receiving a first service request message from one of the wireless mobile units;
• transmitting a first base reply message in one time slot of a frame of time slots;
• the receiving step further receiving a second service request message from the one of the wireless mobile units indicating a collision during the transmission of the first base reply message;
• the determining step further responsive to the indication of a collision for randomly determining a time slot;
• and
• the transmitting step further transmitting a second base reply message in the randomly determined time slot.

A method for controlling the operation of a wireless mobile unit in a wireless system with the wireless mobile unit being connectable to a plurality of wireless base stations by wireless links, the method comprises the steps of:

• transmitting a service request message;
• determining that a set of the base reply messages were transmitted in one of the time slots in response to a plurality of base reply messages transmitted in a plurality of time slots by the wireless base stations in responsive to the service request message;
• and
• the transmitting step responsive to the determined set of the base reply messages for transmitting another service request message identifying the one of the time slots.