Onboard Communication System and Onboard Communication Method
AssigneeHitachi Astemo, Ltd.
InventorWataru HORI
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Abstract
The present disclosure proposes an onboard communication system that consecutively transmits data including a plurality of frames from a sender device to a receiver device in a communication at one time to allow reducing an occurrence of a data loss in the receiver side. In the onboard communication system, the sender device executes a process of performing an initial communication with the receiver device and confirming a response time of the receiver device, a process of determining a format of the consecutive transmission of the data to the receiver device based on the response time, and a process of consecutively transmitting the data to the receiver device in units of frame according to the determined format of the consecutive transmission (see FIG. 2).
Claims15
An onboard communication system that consecutively transmits data including a plurality of frames from a sender device to a receiver device in a communication at one time,
- wherein the sender device executes:
- a process of performing an initial communication with the receiver device and confirming a response time of the receiver device;
- a process of determining a format of the consecutive transmission of the data to the receiver device based on the response time;
- and
- a process of consecutively transmitting the data to the receiver device in units of frame according to the determined format of the consecutive transmission.
An onboard communication method for consecutively transmitting data including a plurality of frames from a sender device in a vehicle to a receiver device in the vehicle in a communication at one time, the onboard communication method comprising:
- performing an initial communication with the receiver device and transmitting a message to the receiver device by the sender device;
- returning a response to approve a content of the message to the sender device by the receiver device;
- calculating a response time that is a time period from the message transmission to a reception of the response by the sender device;
- determining a format of the consecutive transmission of the data to the receiver device based on the response time by the sender device;
- and
- consecutively transmitting the data to the receiver device in units of frame according to the determined format of the consecutive transmission by the sender device.
Dependencies are inferred from the claim text.