摘要:
The present disclosure is directed to a method for forming a connected dominating set (CDS) for a graph. The method may include directing each node of the graph to broadcast a dominating factor and neighboring node information; identifying a dominating set based on the dominating factor of each node in comparison with dominating factors of neighboring nodes according to a dominating set rule definition; identifying a connecting set for connecting nodes according to a connecting set rule definition; and forming the CDS as a union of the dominating set and the connecting set.
摘要:
The present disclosure is directed to a method for forming a connected dominating set (CDS) for a graph. The method may include directing each node of the graph to broadcast a dominating factor and neighboring node information; identifying a dominating set based on the dominating factor of each node in comparison with dominating factors of neighboring nodes according to a dominating set rule definition; identifying a connecting set for connecting nodes according to a connecting set rule definition; and forming the CDS as a union of the dominating set and the connecting set.
摘要:
The present invention is a method and system for propagating routing information in a wireless network. In an exemplary embodiment, the method includes defining a set of artery nodes to propagate distance vector routing information throughout the wireless network. The set of artery nodes may broadcast distance vector routing information to neighboring network nodes. The method may also include receiving distance vector routing information by the neighboring nodes to modify distance vector routing tables defined within each of the neighboring nodes. The set of artery nodes may then re-broadcast distance vector routing information in order to propagate distance vector routing information throughout the wireless network.
摘要:
A automatic skywave communications system includes a control channel and one or more traffic channels for voice or data communications. The system automatically establishes and maintains traffic radio links. The system measures, reacts, signals and adapts system parameters.
摘要:
A method of managing communication on an unstable error-prone channel is disclosed, having particular applicability to transceiver nodes in a high frequency radio network. The method achieves highly reliable, efficient communication through the exchange of headers within control frames in accordance with a selected suite of protocols. An orderly link establishment is achieved by the exchange of headers indicating specific link establishment states of the nodes. One node having message data to transmit to another sends a herald header, and if the data is to be accepted by the other node, it responds with a herald acknowledgment header. The herald conveys parameters of the proposed transmission to the receiving node, permitting the parameters to be varied by the transmitting node for changing channel conditions. The issuance of a herald acknowledgment depends on message priorities exchanged by the nodes, so that higher priority messages can preempt lower priority ones. The issuance of a data transfer header including a data acknowledgment informs a transmitting node of data frames that require retransmission.
摘要:
A coupling for attaching a seat back to a seat cushion particularly for an automotive seat assembly in which the coupling includes a tapered plate member extending upwardly from the rear of the seat cushion and a housing attached to the frame of the seat back into which the plate member is inserted by moving the seat back down onto the seat cushion. A spring biased wedge is disposed within the housing and biases the plate member toward one side of the housing. When the plate member is fully inserted into the housing, one sidewall of the housing is seated into a recess in the edge of the plate member and held in place by the wedge. Once the sidewall housing is seated in the plate member recess, movement of the housing relative to the plate member is prevented. The seat back is removable for servicing by moving the wedge out of its position holding the plate member in place so as to enable the housing sidewall to be withdrawn from the plate member recess to enable separation of the housing and plate member.
摘要:
An adaptive TDMA (time division multiple access) communication system is illustrated which dynamically maintains potentially different frequencies between nodes of the communication system using a process of communicating the quality of received signals between the nodes and storing this information so that an optimum frequency band can be selected whereby whenever signal quality deteriorates, an alternate frequency can be selected to provide continued communications. An embodiment of the system spans both high frequency (HF) and very high frequency (VHF) to establish the communications through atmospheric induced refractions (reflections) beyond line of sight between directly communicating nodes of the system. Further, the system uses frequency hopping both for signal transmission security and for node identification. When a node is traffic idle and also on a periodic maintenance basis, frequency bands other than the traffic frequency are analyzed for potential future use.