ON-BOARD COMMUNICATION SYSTEM AND METHOD FOR TRAIN-GROUND COMMUNICATION

WIPO Patent Application WO/2024/041008

A1

Disclosed in the present invention is an on-board communication system for train-ground communication. The system comprises: a data acquisition unit, used for acquiring multicast data sent by a station dispatching control center; a central processing unit, used for sending the multicast data to a corresponding standard communication unit according to standard arrangement processing; a plurality of standard communication units, used for outputting multi-band signals on the basis of the received different multicast data, wherein the standard communication units at least comprise one or a combination of more of a GSM-R communication unit, a TETRA communication unit, an EUHT communication unit, an LTE-M communication unit, a 5G NR communication unit, and a WiFi5/6 communication unit; and a multiplexer, used for combining the multi-band signals outputted by the standard communication units and outputting the multi-band signals to a same on-board antenna. According to the system and the method provided by the present invention, a plurality of standards of networks can be simultaneously and reasonably processed, thereby satisfying different user requirements of on-board communication, and facilitating the stability of a rail transit network.

CAI CHANGJUN (CN)
LIU CHANGYUAN (CN)
LIN YONGJIE (CN)
WANG ZHIGANG (CN)
CAI XINRONG (CN)
HUANG ZONGHUI (CN)

PCT/CN2023/090297

February 29, 2024

April 24, 2023

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GUANGDONG COMMUNICATIONS & NETWORKS INST (CN)

H04W4/42

CN115119177A	2022-09-27
CN111452835A	2020-07-28
CN112689264A	2021-04-20
CN109286914A	2019-01-29
US20190215055A1	2019-07-11

SBZL IP LAW OFFICE (CN)

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