Multiplex communications – Communication over free space – Repeater
Reexamination Certificate
2007-12-04
2007-12-04
Zewdu, Meless (Department: 2617)
Multiplex communications
Communication over free space
Repeater
C370S337000, C370S347000, C370S442000
Reexamination Certificate
active
10655504
ABSTRACT:
A method and system for assigning a set of TDMA channel-action pairs to a network of transceiver nodes spread over a predetermined geographic area. The method comprises the steps of: defining a periodic TDMA frame that consists of a specified number of timeslots, wherein each timeslot of the frame has a unique identification number; defining for each transceiver node a common function that assigns one channel-action pair to a given input combination, wherein said given input combination comprises a timeslot identification number and a set of space coordinates; and performing the following steps for each one of the transceiver nodes: periodically obtaining the identification number of the current timeslot; periodically identifying a set of space coordinates; and assigning to each one of the transceiver nodes the channel-action pair assigned by said common function to the input combination comprising the periodically obtained identification number of the current timeslot and the periodically identified set of space coordinates. The action in said channel-action pair takes values from a communication action set comprising the communication actions of transmitting a transmission unit, and receiving a transmission unit, wherein said transmission unit is identified by the channel identification number specifying the channel in which said transmission unit was originated. The periodically identified set of space coordinates corresponds to the current set of space coordinates for each one of the transceiver nodes.
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patent: 2003/0176198 (2003-09-01), Chisholm
Tseng et al., “Dynamic Channel Allocation with Location Awareness for Multi-hop Mobile Ad Hoc Networks”, Computer Comm., vol. 25, No. 7, pp. 676-688(13) (2002).
Carter DeLuca Farrell & Schmidt LLP
Zewdu Meless
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