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    • 7. 发明授权
    • Data transmission method, related device and system
    • US10805839B2
    • 2020-10-13
    • US15507118
    • 2015-07-13
    • Meizu Technology Co., Ltd.
    • Xiandong Dong
    • H04W28/18H04L1/16H04L29/12H04W72/12H04L1/00H04L12/707H04L12/715
    • Disclosed in the embodiments of the present invention is a data transmission method. The method comprises: simultaneously receiving data simultaneously transmitted by multiple transmitters, the data comprises multiple data frames simultaneously transmitted by at least one transmitter; generating a chunking acknowledgment message frame according to the receiving state of the data, the chunking acknowledgment message frame contains a group information identifier and data receiving state information, wherein the group information identifier is used to indicate multiple transmitters which belong to the same group pre-set correspondingly by the chunking acknowledgment message frame, and the data receiving state information is used to indicate the data receiving states of various transmitters which belong to the same group, the data receiving states comprise the receiving states of the multiple data frames simultaneously transmitted by at least one transmitter; and transmitting the chunking acknowledgment message frame to the multiple transmitters. By means of the present invention, the technical problems of being not beneficial to effective spectrum utilization and being not beneficial to power saving of user equipment which are caused by replying an ACK frame to the user equipment in order are solved, thereby improving the effective spectrum utilization.
    • 8. 发明授权
    • Wireless communication method and device
    • US10397814B2
    • 2019-08-27
    • US15574366
    • 2016-05-26
    • Meizu Technology Co., Ltd.
    • Xiandong Dong
    • H04W24/08H04B17/318H04W24/02H04W72/04H04W74/08H04W84/12
    • Embodiments of the invention disclose a wireless communication method, comprising: determining by a first data transmitter whether the presence of a second data receiver is sensed, when the first data transmitter senses that a second data transmitter transmits data to the second data receiver; wherein the first data transmitter and the second data transmitter are located in an overlapping basis service set (OBSS), and the first data transmitter needs to transmit data to a first data receiver; analyzing by the first data transmitter whether the second data transmitter senses the presence of the first data receiver, when determining that the presence of a second data receiver is not sensed; and transmitting data to the first data receiver by the first data transmitter, when analyzing that the second data transmitter does not sense the presence of the first data receiver. The invention further discloses a related device. By adopting the technical solutions of the invention, the problem in the prior art that devices in the OBSS cannot simultaneously transmit data is solved, and a CCA mechanism in the prior art is improved to enable the devices in the OBSS to simultaneously transmit data, so that the efficiency of spectrum utilization of the system is greatly improved.