SIGNAL TRANSMISSION METHOD AND APPARATUS

    公开(公告)号:EP3214888A4

    公开(公告)日:2017-11-15

    申请号:EP14907186

    申请日:2014-11-25

    发明人: YAN HUA CHEN LEI

    IPC分类号: H04L1/00 H04L1/20 H04L5/00

    摘要: The present invention relates to the field of mobile communications technologies, and in particular, to a signal transmission method, and an apparatus. In this solution, a technical feature of sending, to a receive end, an alternative transmission configuration corresponding to a selected first CQI is used. In this technical feature, the alternative transmission configuration sent to the receive end is an alternative transmission configuration corresponding to the selected first CQI. The technical feature can overcome disadvantages of relatively low accuracy of a signal obtained through demodulation by the receive end and relatively high feedback overheads in a signal transmission process. Therefore, the present invention can overcome the disadvantages of relatively low accuracy of a signal obtained through demodulation by the receive end and relatively high feedback overheads in the signal transmission process.

    SNAPSHOT PROCESSING METHOD AND RELATED DEVICE

    公开(公告)号:EP3200079A4

    公开(公告)日:2017-11-15

    申请号:EP15875121

    申请日:2015-12-21

    发明人: CHEN LEI LI XIAOHUA

    IPC分类号: G06F11/14 G06F3/06

    摘要: A snapshot processing method and a related device are disclosed. The method includes: receiving a snapshot request command, where the snapshot request command includes an ID of the LUN (S101); determining the LUN according to the ID of the LUN, and setting a snapshot status of the LUN to a preparation state, where the preparation state indicates that a primary storage device enters a preparation phase of performing snapshot processing on the LUN (S102); sending a first snapshot command to a mirror storage device, where the first snapshot command includes the ID of the LUN, and the first snapshot command is used to notify the mirror storage device that the LUN is in the preparation state (S103); receiving a response message, sent by the mirror storage device, of the first snapshot command, where the response message is used to notify the primary storage device that a mirrored LUN is in the preparation state (S104); and performing snapshot processing on the LUN (S105). By means of the solution, in a snapshot process, an I/O interface does not need to be blocked or suspended, so that data consistency between a primary storage device and a mirror storage device is ensured, and a rate of a snapshot operation is improved.

    SOCIAL CONTACT MESSAGE MONITORING METHOD AND DEVICE
    4.
    发明公开
    SOCIAL CONTACT MESSAGE MONITORING METHOD AND DEVICE 审中-公开
    方法和仪器监测接触社会新闻

    公开(公告)号:EP3009942A4

    公开(公告)日:2016-08-03

    申请号:EP14890901

    申请日:2014-10-30

    IPC分类号: G06F17/30 G06Q50/00

    摘要: Embodiments of the present invention provide a social message monitoring method and an apparatus, the present invention relates to the communications field, and the method and apparatus can resolve a problem that a social network client cannot actively discover a social event. A specific implementation method is: receiving, by a social network server, a social message, and obtaining a theme probability vector of the social message; comparing the theme probability vector of the social message with a theme probability vector of each representative message to obtain a theme similarity, and acquiring a similarity between the social message and each representative message according to the theme similarity; saving the social message in a message class that contains a representative message most similar to the social message; and outputting the message class to a social network client when a quantity of social messages in the message class reaches a first threshold or themes of social messages in the message class are consistent. The present invention is used to implement social message monitoring.

    TRANSMITTER DIVERSITY TRANSMISSION METHOD, SENDING-END DEVICE AND RECEIVING-END DEVICE FOR FBMC

    公开(公告)号:EP3214771A4

    公开(公告)日:2017-11-22

    申请号:EP15863984

    申请日:2015-11-24

    摘要: The present invention provides an FBMC transmit diversity transmission method, a transmit end apparatus, and a receive end apparatus. The method includes: obtaining a to-be-transmitted data sequence, where the to-be-transmitted data sequence includes 2*M*N pieces of data; performing transmit diversity processing on the to-be-transmitted data sequence to obtain FBMC signals of a first antenna and a second antenna, where a precoding matrix is (I) or (II), a matrix that includes the FBMC signals of the first antenna and the second antenna is (III), a matrix that includes the to-be-transmitted data sequence is (IV), 0‰¤ i‰¤ M-1, 0‰¤ j ‰¤N-1, Y=WX, the 2*M*N pieces of data of the to-be-transmitted data sequence are denoted by x (0) ( k,l ) and x (1) ( k,l ), 0‰¤ k‰¤ M-1, 0‰¤ l ‰¤N-1, FBMC signals of the first antenna and the second antenna on an r th subcarrier and an s th symbol are denoted by y (0) ( r , s ) and y (1) ( r , s ), 0‰¤ r ‰¤2M-1, and 0‰¤ s ‰¤N-1; and transmitting the FBMC signals of the first antenna and the second antenna.

    FBMC SIGNAL TRANSMISSION METHOD, RECEIVING METHOD, TRANSMITTER AND RECEIVER
    7.
    发明公开
    FBMC SIGNAL TRANSMISSION METHOD, RECEIVING METHOD, TRANSMITTER AND RECEIVER 审中-公开
    FBMC-SIGNAL-ÜBERTRAGUNGSVERFAHREN,EMPFANGSVERFAHREN,SENDER UNDEMPFÄNGER

    公开(公告)号:EP3171563A4

    公开(公告)日:2017-07-26

    申请号:EP14899710

    申请日:2014-08-13

    摘要: An FBMC signal transmitting method and receiving method, a transmitter, and a receiver are provided. The transmitting method includes: generating offset quadrature amplitude modulation OQAM symbols included on at least two subbands; mapping an OQAM symbol on each subband onto a respective subcarrier to obtain a frequency-domain signal, where a first frequency interval exists between adjacent subcarriers in a same subband, a second frequency interval exists between adjacent subcarriers that belong to two adjacent subbands, the second frequency interval is a sum of the first frequency interval and a guard band interval, and the guard band interval is a fractional multiple of the first frequency interval; generating an FBMC signal out of the frequency-domain signal; and transmitting the FBMC signal to a receiver.

    摘要翻译: 提供了一种FBMC信号发送方法和接收方法,发送器和接收器。 该发送方法包括:生成包括在至少两个子带上的偏移正交幅度调制OQAM符号; 将每个子带上的OQAM符号映射到各自的子载波上得到频域信号,其中同一子带中相邻子载波之间存在第一频率间隔,属于两个相邻子带的相邻子载波之间存在第二频率间隔,第二 频率间隔为第一频率间隔与保护频带间隔之和,保护频带间隔为第一频率间隔的分数倍; 从频域信号中产生FBMC信号; 并将FBMC信号传输到接收器。

    METHOD AND DEVICE FOR SENDING USER-SPECIFIC REFERENCE SIGNAL
    8.
    发明公开
    METHOD AND DEVICE FOR SENDING USER-SPECIFIC REFERENCE SIGNAL 审中-公开
    用于发送用户特定参考信号的方法和设备

    公开(公告)号:EP2996302A4

    公开(公告)日:2016-03-16

    申请号:EP14794884

    申请日:2014-05-12

    IPC分类号: H04L29/06

    摘要: Disclosed are a method and device for sending a user-specific reference signal, which relate to the field of communications and are used for solving the problem of poor performance of a communication system due to the fact that the user-specific reference signal is sent in the communication system using nonlinear precoding. The method includes: determining a modulus identification, and performing interference elimination processing on a user-specific reference signal according to the modulus identification to obtain the user-specific reference signal after the interference elimination processing; performing beamforming processing on the user-specific reference signal after the interference elimination processing to obtain a beamforming reference signal; and performing inverse fast fourier transform (IFFT) and digital-analogue conversion on the beamforming reference signal to obtain an analogue signal of the user-specific reference signal, and sending the analogue reference signal to a user terminal.

    SIGNAL SENDING METHOD AND SIGNAL SENDING DEVICE
    9.
    发明公开
    SIGNAL SENDING METHOD AND SIGNAL SENDING DEVICE 审中-公开
    SIGNALSENDEVERFAHREN UND SIGNALSENDEVORRICHTUNG

    公开(公告)号:EP2950478A4

    公开(公告)日:2015-12-30

    申请号:EP13878714

    申请日:2013-12-03

    发明人: CHEN LEI MIN LEI WU DAN

    摘要: The present invention provides a signal sending method and a signal sending device, where the signal sending method includes: canceling interference from symbols of a boundary between at least two precoding code blocks in a multiple input multiple output filter bank multicarrier MIMO-FBMC system, where the precoding code block includes at least one time-frequency resource element that uses same precoding; performing precoding on a to-be-sent symbol in the precoding code block to obtain a precoded symbol; and sending the precoded symbol. In the present invention, mutual interference between precoding code blocks at a time-frequency critical location can be completely or partially canceled.

    摘要翻译: 本发明提供一种信号发送方法和信号发送装置,其中信号发送方法包括:从多输入多输出滤波器组多载波MIMO-FBMC系统中的至少两个预编码码块之间的边界的符号的符号中消除干扰,其中 预编码码块包括使用相同预编码的至少一个时间 - 频率资源元素; 对预编码码块中的待发送符号执行预编码以获得预编码符号; 并发送预编码符号。 在本发明中,可以完全或部分地消除在时间 - 频率关键位置处的预编码码块之间的相互干扰。

    PRECODING METHOD, BASE STATION AND USER EQUIPMENT
    10.
    发明公开
    PRECODING METHOD, BASE STATION AND USER EQUIPMENT 有权
    预编码,基站和用户设备

    公开(公告)号:EP2816751A4

    公开(公告)日:2015-01-07

    申请号:EP12870616

    申请日:2012-12-24

    发明人: YAN HUA CHEN LEI

    摘要: Embodiments of the present invention provide a precoding method, a base station and a user equipment, relate to a communication field, may select a nonlinear precoding solution adaptively, and improve a system performance. The precoding method comprises: a base station acquires predetermined parameter(s) of at least one user equipment; calculates the acquired predetermined parameter(s) to obtain a calculation performance index; selects a target precoding solution according to the calculation performance index; precodes data information of all the user equipment(s) according to the target precoding solution; if the target precoding solution is a nonlinear precoding solution, sends the data information and indication signalling indicating information of the nonlinear precoding solution to each user equipment; and the user equipment receives the data information and the indication signalling which are sent by the base station; selects a receiver according to a receiver type obtained according to the indication signalling; and detects the received data information using the selected receiver. The embodiments of the present invention are used for precoding in an MIMO system.