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Title:
INFORMATION TRANSMISSION METHOD, TRAFFIC CONTROL UNIT, AND ON-BOARD UNIT
Document Type and Number:
WIPO Patent Application WO/2019/052501
Kind Code:
A1
Abstract:
A road information transmission method (200), a traffic control unit (TCU) (110), and an on-board unit (OBU) (120). The road information transmission method (200) comprises: the TCU (110) obtains a planned route of a vehicle (210); the TCU (110) performs extension on the basis of the planned route and generates a travelable area of the vehicle on the planned route (220), the travelable area comprising a safe driving area for the vehicle; the TCU (110) transmits road information to the OBU (120), the road information comprising indication information for the travelable area (230). According to the invention, a high-precision map is replaced with a travelable area transmitted by the TCU (110); since the data volume of the travelable area is less, high transmission speed can be achieved, and high security is provided, without causing the problem of reveal of the high-precision map.

Inventors:
ZHANG YI (CN)
LI HUI (CN)
Application Number:
PCT/CN2018/105443
Publication Date:
March 21, 2019
Filing Date:
September 13, 2018
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G08G1/0967; G08G1/16
Foreign References:
CN107622684A2018-01-23
CN102402864A2012-04-04
CN105157709A2015-12-16
CN106327896A2017-01-11
CN105741595A2016-07-06
CN106767866A2017-05-31
JP4914592B22012-04-11
KR20150080742A2015-07-10
Attorney, Agent or Firm:
LONGSUN LEAD IP LTD. (CN)
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