公开(公告)号：US20230156800A1

公开(公告)日：2023-05-18

申请号：US17527020

申请日：2021-11-15

Applicant: ITRON, INC.

Inventor： Jerome BARTIER ,  Fabrice MONIER ,  Yacine KHALED

IPC: H04W74/08 ,  H04L1/08 ,  H04L12/26

CPC classification number: H04W74/0825 ,  H04L1/08 ,  H04L43/0852 ,  H04W84/18

Abstract: Various embodiments disclose a method comprising receiving, at a first node, a listening schedule associated with a second node; determining, by the first node, a link latency associated with the second node based on the listening schedule; in response to the first node detecting a frame transmission failure for a frame being transmitted by the first node to the second node, determining, by the first node based on the link latency, a backoff time; and in response to the first node determining that the backoff time has elapsed, the first node retransmitting the frame from the first node to the second node. In some embodiments, the method also includes determining a frame lifetime value associated with the second node based on the link latency; and in response to determining that a time period corresponding to the frame lifetime value has elapsed, dropping the frame.

公开(公告)号：US20230156582A1

公开(公告)日：2023-05-18

申请号：US17527051

申请日：2021-11-15

Applicant: ITRON, INC.

Inventor： Fabrice MONIER ,  Jerome BARTIER ,  Yacine KHALED ,  Imad JAMIL ,  Khalid MAALLEM ,  Samuel DE VALS

IPC: H04W48/00 ,  H04W48/10 ,  H04B1/7183 ,  H04B1/7143 ,  H04W72/04 ,  H04L5/00

CPC classification number: H04W48/17 ,  H04W48/10 ,  H04B1/7183 ,  H04B1/7143 ,  H04W72/0446 ,  H04L5/0005

Abstract: Various embodiments disclose a method that includes: attempting to detect, with a first transceiver associated with a first node, a network discovery signal, wherein the attempting is performed according to (a) a first listening schedule associated with a first physical layer mode and (b) a second listening schedule associated with a second physical layer mode; detecting, with the first transceiver, the network discovery signal during a slot associated with the first listening schedule; and in response to detecting the network discovery signal, establishing, with the first node, a connection between the first node and the second node using the first physical layer mode.

公开(公告)号：US20240080896A1

公开(公告)日：2024-03-07

申请号：US18501806

申请日：2023-11-03

Applicant: ITRON, INC.

Inventor： Jerome BARTIER ,  Fabrice MONIER ,  Yacine KHALED

IPC: H04W74/08 ,  H04L1/08 ,  H04L43/0852

CPC classification number: H04W74/0825 ,  H04L1/08 ,  H04L43/0852 ,  H04W84/18

Abstract: Various embodiments disclose a method comprising determining, by a first node, a first link latency associated with a second node based on a time period between consecutive slots in a unicast listening schedule for the second node; in response to the first node detecting a failure in transmitting a first frame to the second node, determining, by the first node based on the first link latency, a first backoff time; and in response to determining that the first backoff time has elapsed, retransmitting, by the first node, the first frame to the second node.

公开(公告)号：US20240040493A1

公开(公告)日：2024-02-01

申请号：US18484072

申请日：2023-10-10

Applicant: ITRON, INC.

Inventor： Fabrice MONIER ,  Jerome BARTIER ,  Yacine KHALED ,  Imad JAMIL ,  Khalid MAALLEM ,  Samuel DE VALS

IPC: H04W48/00 ,  H04W48/10 ,  H04L5/00 ,  H04B1/7143 ,  H04W72/0446 ,  H04B1/7183

CPC classification number: H04W48/17 ,  H04W48/10 ,  H04L5/0005 ,  H04B1/7143 ,  H04W72/0446 ,  H04B1/7183

Abstract: Various embodiments disclose techniques for time-multiplexing multiple listening schedules and physical layer modes that include a first node listening, using a first physical layer mode, for a first network discovery signal; in response to not detecting the first network discovery signal, listening, using a second physical layer mode, for a second network discovery signal; and in response to detecting the second network discovery signal transmitted by a second node using the second physical layer mode, establishing a connection with the second node using the second physical layer mode.

公开(公告)号：US20220191933A1

公开(公告)日：2022-06-16

申请号：US17687330

申请日：2022-03-04

Applicant: ITRON, INC.

Inventor： Khalid MAALLEM ,  Yacine KHALED ,  Jérôme BARTIER

IPC: H04W74/08 ,  H04W76/18 ,  H04W74/02 ,  H04W74/04

Abstract: Techniques for managing multi-mode communications between nodes in a network include initiating, by a first node in a mesh network, a carrier sense multiple access with collision avoidance (CSMA/CA) session while the first node is in a first mode. The CSMA/CA session is associated with a request to transmit a data message to a second node in the mesh network. Initiating the CSMA/CA session includes determining availability of a channel associated with a channel schedule of the second node associated with the first mode.