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公开(公告)号：US12231330B2
公开(公告)日：2025-02-18
申请号：US18237317
申请日：2023-08-23
Applicant: Rockwell Collins, Inc.
Inventor： Eric J. Loren , William B. Sorsby , Tj T. Kwon , James A. Stevens , Joseph T. Graf , Steven V. Schatz , Matthew D. Bousselot , Philip D. Dean
Abstract: A system may include a transmitter node and a receiver node. Each node may include a communications interface including at least one antenna element and a controller operatively coupled to the communications interface, the controller including one or more processors, wherein the controller of the receiver node has information of own node velocity and own node orientation. The receiver node may be in motion and the transmitter node may be stationary. Each node may be time synchronized to apply Doppler corrections associated with said node's own motions relative to a common reference frame. The common reference frame may be known to the transmitter node and the receiver node prior to the transmitter node transmitting signals to the receiver node and prior to the receiver node receiving the signals from the transmitter node.
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公开(公告)号：US11290942B2
公开(公告)日：2022-03-29
申请号：US16987671
申请日：2020-08-07
Applicant: Rockwell Collins, Inc.
Inventor： Tj T. Kwon , Ray L. Cross , James A. Stevens
Abstract: A communications node of a multi-node communications network is disclosed. In embodiments, the communications node includes a communications interface and controller. The controller transitions the clustering status of the communications node to a clusterhead node status. The clusterhead node identifies a cluster of neighboring nodes with which it is in communication by transmitting hello messages identifying the clusterhead node and its status but omitting a one-hop neighbor list. The clusterhead node refines link discovery to the nodes of the multi-node communications network by flooding the network (e.g., via its cluster of neighboring nodes) with routing status messages, which network nodes not part of the dominating set of clusterhead nodes are restricted from sending.
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公开(公告)号：US20220094634A1
公开(公告)日：2022-03-24
申请号：US17541703
申请日：2021-12-03
Applicant: Rockwell Collins, Inc.
Inventor： Tj T. Kwon , Eric J. Loren , William B. Sorsby
Abstract: A system may include a mobile ad-hoc network (MANET) including nodes. The nodes may include beacon-based clusterhead (BB-CH) nodes and members. Each of the nodes may be configured to transmit communication data packets and transmit beacons. Each of the nodes may have passive spatial awareness. For each of at least some of the BB-CH nodes having members, a BB-CH node may be configured to compile spatial awareness information of all members of the BB-CH node. The compiled spatial awareness information may include a BB-CH node identification for the BB-CH node, position-location information (PLI) of the BB-CH node, a quantity of the members of the BB-CH node, and a member list including member identifications. For each of the at least some of the BB-CH nodes, the BB-CH node may be configured to broadcast, via efficient flooding, some or all of the compiled spatial awareness information to every connected node.
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公开(公告)号：US11284295B1
公开(公告)日：2022-03-22
申请号：US16707111
申请日：2019-12-09
Applicant: Rockwell Collins, Inc.
Inventor： Tj T. Kwon , Thomas L. Tapp , Ian R. Worden , Scott A. Bailey , Wayne H. Meyer
Abstract: A system and method for managing acknowledgments and retransmissions in a distributed manner in a MANET with 2-hop clustering structure. Clusterheads are in charge of assuring delivery of flooding packets to their members. After receiving acknowledgments from associated nodes in the cluster, and clusterheads perform retransmission when necessary with a list of acknowledging nodes. The non-clusterhead nodes receive the retransmissions and determine if that node's acknowledgment was received based on a list of node IDs included in the retransmission. If the node ID is not listed, the node resends the acknowledgment. The process continues until all acknowledgments are received and listed.
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公开(公告)号：US10931570B1
公开(公告)日：2021-02-23
申请号：US16537824
申请日：2019-08-12
Applicant: Rockwell Collins, Inc.
Inventor： Tj T. Kwon , Justin W. Ehm , Anthony D. Schaefer , Wayne H. Meyer , Joseph T. Graf
IPC: H04L12/721 , H04L12/801 , H04L12/911 , H04L12/707 , H04L12/751 , H04L12/26
Abstract: In embodiments, a communication node of a multi-node communication network includes a communication interface and a controller communicatively coupled to the communication interface. In embodiments, the controller is configured to receive a first data packet transmitted from a source communication node to a destination communication node; transmit the first data packet via a packet flooding procedure; receive a first route response transmitted from the destination communication node along a discovered route; relay an additional data packet transmitted from the source communication node to the destination communication node along the discovered route; determine a route failure of the additional data packet; re-transmit the additional data packet to the destination communication node via a packet flooding procedure; receive an additional route response transmitted from the destination communication node along a recovered route; and relay a second additional data packet transmitted from the source communication node along the recovered route.
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公开(公告)号：US12153150B2
公开(公告)日：2024-11-26
申请号：US18199760
申请日：2023-05-19
Applicant: Rockwell Collins, Inc.
Inventor： James A. Stevens , Eric J. Loren , William B. Sorsby , Tj T. Kwon
Abstract: A system is disclosed for Doppler nulling configured for security. The system may include a receiver or transmitter node. The receiver or transmitter node may include a communications interface with an antenna element and a controller. The controller may include one or more processors and have information of own node velocity and own node orientation relative to a common reference frame. The receiver or transmitter node may be time synchronized to apply Doppler corrections to signals, the Doppler corrections associated with the receiver or transmitter node's own motions relative to the common reference frame, the Doppler corrections applied using Doppler null steering along Null directions based on a protocol. The protocol may include a protocol modulation, such as a modulation of the signals for security purposes.
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公开(公告)号：US12032081B2
公开(公告)日：2024-07-09
申请号：US18134950
申请日：2023-04-14
Applicant: Rockwell Collins, Inc.
Inventor： William B. Sorsby , Eric J. Loren , Tj T. Kwon
CPC classification number: G01S5/0027 , G01S13/583 , G01S13/62 , H04W56/0015 , H04W56/0035 , H04W56/005
Abstract: A system may include a transmitter node and a receiver node. Each node may include a communications interface including at least one antenna element and a controller operatively coupled to the communications interface, the controller including one or more processors. Each node may be time synchronized to apply Doppler corrections to said node's own motions relative to a stationary common inertial reference frame. The stationary common inertial reference frame may be known to the transmitter node and the receiver node prior to the transmitter node transmitting signals to the receiver node and prior to the receiver node receiving the signals from the transmitter node.
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公开(公告)号：US20230305093A1
公开(公告)日：2023-09-28
申请号：US18199562
申请日：2023-05-19
Applicant: Rockwell Collins, Inc.
Inventor： William B. Sorsby , Eric J. Loren , Tj T. Kwon , James A. Stevens
CPC classification number: G01S5/0027 , H04W56/005 , G01S13/62 , H04W56/0015 , G01S13/583 , H04W56/0035
Abstract: A system includes a transmitter node and a receiver node. Each node of the transmitter node and the receiver node are time synchronized to apply Doppler corrections associated with said node's own motions relative to a stationary common inertial reference frame. The stationary common inertial reference frame is known to the transmitter node and the receiver node prior to the transmitter node transmitting a plurality of signals to the receiver node and prior to the receiver node receiving the plurality of signals from the transmitter node. The receiver node performs adaptive digitization of the signals to account for a speed of the platform.
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公开(公告)号：US20230288519A1
公开(公告)日：2023-09-14
申请号：US18196944
申请日：2023-05-12
Applicant: Rockwell Collins, Inc.
Inventor： Steven V. Schatz , James A. Stevens , Eric J. Loren , William B. Sorsby , Tj T. Kwon
CPC classification number: G01S5/0027 , G01S13/62 , G01S13/583 , H04W56/0015 , H04W56/0035 , H04W56/005
Abstract: A system is disclosed. The system may include a receiver or transmitter node. The receiver or transmitter node may include a communications interface with an antenna element and a controller. The controller may include one or more processors and have information of own node velocity and own node orientation relative to a common reference frame. The receiver or transmitter node may be time synchronized to apply Doppler corrections to signals, the Doppler corrections associated with the receiver or transmitter node's own motions relative to the common reference frame, the Doppler corrections applied using Doppler null steering along Null directions. The receiver node is configured to determine a bearing angle based on the signals based on Doppler null steering; and to determine a range based on two-way time-of-flight based ranging signals.
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10.发明公开
公开(公告)号：US20230254791A1
公开(公告)日：2023-08-10
申请号：US18134950
申请日：2023-04-14
Applicant: Rockwell Collins, Inc.
Inventor： William B. Sorsby , Eric J. Loren , Tj T. Kwon
IPC: H04W56/00
CPC classification number: H04W56/0035 , H04W56/0015 , H04W56/005
Abstract: A system may include a transmitter node and a receiver node. Each node may include a communications interface including at least one antenna element and a controller operatively coupled to the communications interface, the controller including one or more processors. Each node may be time synchronized to apply Doppler corrections to said node's own motions relative to a stationary common inertial reference frame. The stationary common inertial reference frame may be known to the transmitter node and the receiver node prior to the transmitter node transmitting signals to the receiver node and prior to the receiver node receiving the signals from the transmitter node.
