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公开(公告)号：EP4274158A1
公开(公告)日：2023-11-08
申请号：EP21921727.0
申请日：2021-01-26
发明人： LIU, Huazhang , LI, Xuefeng
摘要： This application provides a communication method and apparatus, to resolve a problem that an amount of data transmitted by a sharing device per unit of time is limited and a sharing distance is short, thereby improving data quality and increasing a quantity of shared devices. The communication method and apparatus may be applied to a communication system. The method includes providing a communication method. The method is applied to a forwarding device. The communication method includes: The forwarding device receives sharing indication information from a terminal device. The sharing indication information indicates to share first data, and the first data is to-be-shared data of the terminal device. The forwarding device obtains the first data, and sends the first data to a plurality of receiving devices based on the sharing indication information.
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公开(公告)号：EP3742772A1
公开(公告)日：2020-11-25
申请号：EP19754467.9
申请日：2019-01-08
发明人： LIU, Huazhang , YU, Zhan , CHEN, Tong
IPC分类号： H04W4/80
摘要： An audio data transmission method and device are disclosed. The method includes: encapsulating, based on a physical layer frame header, a protocol data unit PDU including audio data, to obtain an audio data packet, where the physical layer frame header is modulated by using a first digital modulation scheme, the PDU is modulated by using a second digital modulation scheme, a value of a modulation rate of the first digital modulation scheme is equal to a value of a data transmission rate, and a value of a modulation rate of the second digital modulation scheme is less than the value of the data transmission rate; and sending the audio data packet on a Bluetooth low energy BLE physical channel at the data transmission rate. According to embodiments of this application, an audio data transmission rate can be increased, and therefore transmission of higher-definition audio data is supported.
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公开(公告)号：EP4369653A1
公开(公告)日：2024-05-15
申请号：EP21952194.5
申请日：2021-08-03
发明人： WANG, Yong , CHEN, Jing , LIU, Huazhang
IPC分类号： H04L9/32
CPC分类号： H04L9/32
摘要： This application provides an information processing method, an apparatus, and a device. The method includes: obtaining a first password and a first random number; generating a first acknowledgment code of a first node based on the first password and the first random number; and sending the first acknowledgment code and the first random number to a second node. The foregoing method supports password authentication and improves authentication efficiency.
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公开(公告)号：EP4135375A1
公开(公告)日：2023-02-15
申请号：EP20931748.6
申请日：2020-04-24
发明人： LIU, Huazhang , LI, Weihua , GUO, Zhan
IPC分类号： H04W12/00
摘要： Embodiments of this application disclose a pairing method applied to a short-range communication system and a wireless device in the field of wireless communication. The method includes: obtaining, by a first wireless device, a first password, where the first password is shared by the first wireless device and a second wireless device; and pairing, by the first wireless device, with the second wireless device based on a password-based authenticated key exchange (PAKE) protocol and by using the first password as an encryption password in a key exchange process. In embodiments of this application, the first wireless device and the second wireless device share the first password, and therefore the first wireless device may pair with the second wireless device based on the PAKE protocol and by using the first password as an encryption password in the key exchange process. In this way, no user input or operation is required, and therefore a time spent in implementing pairing can be reduced, to improve user experience.
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