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Title:
VEHICLE CONTROL DEVICE AND DATA TRANSFER CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2021/065370
Kind Code:
A1
Abstract:
The present invention divides a frame and performs transfer on communication protocols having different frame sizes. This vehicle control device transfers data using a first communication path on which low-priority data are transferred, and a second communication path which has a transfer speed different from that of the first communication path and on which high-priority data are transferred. First transfer data which can be transferred on the first communication path are different in data size from second transfer data which can be transferred on the second communication path. The vehicle control device can transmit and receive at least two types of transfer data on the second communication path. When dividing and transferring the first transfer data on the second communication path, the data are transferred by controlling at least one of division size, the number of divisions, and transfer timing of the first transfer data in accordance with a timing period for transmitting the second transfer data, an idle time during which transfer is not performed, and a transfer time of the first transfer data on the second communication path.

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Inventors:
IKEDA MASAKAZU (JP)
Application Number:
PCT/JP2020/033881
Publication Date:
April 08, 2021
Filing Date:
September 08, 2020
Export Citation:
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Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
H04L12/28; B60R16/023; G06F13/38; H04L69/14
Domestic Patent References:
WO2017090351A12017-06-01
WO2017090351A12017-06-01
Foreign References:
JP2018055284A2018-04-05
JP2013150259A2013-08-01
JP2001177542A2001-06-29
JP2014060664A2014-04-03
JP2003032297A2003-01-31
JP2013150259A2013-08-01
Other References:
INOUE, AYAKO; RYUMA, MATSUSHITA; HOTTA, YOSHIFUMI; KAWATE, RYUSUKE: "A Study of Traffic Control on Domain-based In-vehicle Network", IEICE TECHNICAL REPORT, vol. 116, no. 123 (CS2016-19), 30 June 2016 (2016-06-30), JP , pages 49 - 54, XP009535303, ISSN: 0913-5685
See also references of EP 4040735A4
Attorney, Agent or Firm:
TODA Yuji (JP)
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