Sequential polling bus access method for radio communication sys

Details Sequential polling bus access method for radio communication sys Sequential polling bus access method for radio communication sys

1992-06-29

1994-12-06

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 853, 370 856, H04J 302

Patent

active

053717392

ABSTRACT:
A radio communication system (600) having at least two radio interface devices (602) requires an access protocol for accessing a common information bus (605). The bus (605) is necessary for sending information to a communication system controller (601). A first of the interface devices periodically polls the common information bus (605) to determine whether or not it is available for sending information to the communication system controller (601). When available, the device acquires access to the bus (605), and sends information to the controller (601), via the information bus (605). The device then releases the bus (605) at a subsequent polling period for that device, thereafter allowing a second interface device to gain access to the bus (605). The foregoing sequence ensures that each of the interface devices (602) will, within a predetermined time, poll the bus (605) and acquire it, as necessary, for sending information to the system controller (601).

REFERENCES:
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patent: 4860006 (1989-08-01), Barall
patent: 5150114 (1992-09-01), Johansson
patent: 5155727 (1992-10-01), Borup et al.
patent: 5177739 (1993-01-01), Basnuevo et al.

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