Xerox Corporation

Norman I Adams

Roy Want

William Noah Schilit

Richard J Goldstein

Michael M Tso

In a carrier sense multiple-access (CSMA) network, such as a wireless network or a LAN, a transceiver which initiates a transmission to a recipient transceiver in the same medium sends out, prefatory to a bulk of data, a field representative of the length of the data, and another field symbolic of the rate at which the data is to be sent. Non-participant transceivers in the medium receive the data length field and the data rate field, and calculate a length of time they must inhibit themselves to avoid a data collision with the transmitting transceiver, while the participants come to a common agreement at which they can send and receive data.

Protocol for channel access in wireless or network data communication

A system is disclosed for maintaining processing continuity in a network having a network accessible application and an intermittently connected wireless mobile unit. A transceiver is connected to the network for wireless communication with the mobile unit, and a gateway connected to the network is used to control the transceiver. A stationary processor is connected to the gateway and configured to support access to the network accessible application, which can run either on the stationary processor itself or on a remote processor. Use of network accessible applications from the mobile unit is mediated by an agent dedicated to communication and processing control of the mobile unit. The agent runs on the stationary processor and is connected to the gateway for handling communications between the mobile unit and the network accessible application. To ensure processing continuity, the agent is configured to hold data received from the network accessible application for transmission to the mobile unit only when the mobile unit is in wireless communication with the network.

Growing community of inventors

Sunnyvale, CA, United States of America

Norman I Adams