Telxon Corporation

Brian D Logsdon

Nainesh P Shah

An emergency routing protocol within a wireless communication network. A mobile device can establish a communication link to the system backbone even when, for whatever reason, it can no longer communicate directly with a base station. The emergency routing protocol enables a distressed mobile device to communicate with the system backbone through another mobile device serving as an intermediary. The intermediary mobile device forwards information destined to/received from the distressed mobile device to its intended destination.

Emergency mobile routing protocol

A bus arbiter circuit for a system including a bus and a plurality of devices which can request access to the bus at various times. The bus arbiter circuit includes circuitry for receiving requests for access to the bus from those of the plurality of devices desiring access to the bus during an arbitration cycle; circuitry for arbitrating access to the bus during the arbitration cycle in response to the received requests, an outcome of the arbitration cycle being based on a corresponding priority level associated with each of the plurality of devices; circuitry for granting access to one of those devices requesting access to the bus based on the outcome of the arbitration cycle; and circuitry for increasing the corresponding priority level associated with those of the plurality of devices which requested access to the bus but which were not granted access to the bus as a result of the arbitration cycle.

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Akron, OH, United States of America

Brian D Logsdon