Title:
DATA TRANSMISSION METHOD, APPARATUS AND SYSTEM, AND COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/113175
Kind Code:
A1
Abstract:
The present invention provides a data transmission method. The method comprises: receiving signaling reported by a terminal in a multicast transmission process of data, wherein the signaling carries information fed back by the terminal and indicating unsuccessful receive of data in the multicast transmission; triggering unicast transmission of the data in the multicast transmission according to the signaling reported by the terminal and a preset condition; and transmitting the data to the terminal by means of unicast transmission. In addition, also provided are a data transmission apparatus and system, and a communication device. By means of the data transmission method, apparatus and system, and the communication device, the transmission rate of multicast can be ensured, and the data receiving reliability of any terminal in a multicast group can be ensured.
Inventors:
YU QINGXIANG (CN)
ZHANG QINGLI (CN)
LU ZHIBING (CN)
ZHANG QINGLI (CN)
LU ZHIBING (CN)
Application Number:
PCT/CN2015/099839
Publication Date:
July 06, 2017
Filing Date:
December 30, 2015
Export Citation:
Assignee:
HYTERA COMM CORP LTD (CN)
International Classes:
H04L12/18; H04L1/18
Domestic Patent References:
| WO2015103746A1 | 2015-07-16 |
Foreign References:
| CN102067499B | 2013-12-25 | |||
| CN105450429A | 2016-03-30 | |||
| CN101689970A | 2010-03-31 |
Attorney, Agent or Firm:
SHENZHEN LUNGTIN LIANDING INTELLECTUAL PROPERTY AGENT LTD. (CN)
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