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1. 发明公开

EP4152325A1 STORAGE DEVICE 审中-实审
公开(公告)号：EP4152325A1
公开(公告)日：2023-03-22
申请号：EP21828891.8
申请日：2021-06-21
申请人： Huawei Technologies Co., Ltd.
发明人： JIN, Yongchen , LUO, Fei , WANG, Guoyu , CHEN, Ming , TANG, Yinzhong
IPC分类号： G11B33/04 , G11B33/12 , G11B33/14
摘要： This application provides a storage device, including a hard disk backplane, a first cascading board, and a hard disk array, where the hard disk array includes a plurality of hard disks; the hard disk array is located on a first side of the hard disk backplane; and the first cascading board is a field replaceable unit FRU, and the first cascading board is located on a second side of the hard disk backplane. The storage device in this application has a new cascading board architecture, can reduce costs of the storage device and improve maintainability of the storage device.

2. 发明公开

EP4152170A1 EQUALIZATION TRAINING METHOD, APPARATUS, AND SYSTEM 审中-实审
公开(公告)号：EP4152170A1
公开(公告)日：2023-03-22
申请号：EP21818880.3
申请日：2021-02-10
申请人： Huawei Technologies Co., Ltd.
发明人： LI, Yongyao , LUO, Fei , ZHU, Jiang
IPC分类号： G06F13/40
摘要： This application provides an equalization training method, apparatus, and system, including: obtaining a training rate of each of a master chip and a slave chip in a target phase of equalization training; and determining a target rate threshold interval within which the training rate in the target phase falls, determining, based on a correspondence between N+1 rate threshold intervals and N+1 equalization timeout periods, a target equalization timeout period corresponding to the target rate threshold interval, and configuring the target equalization timeout period as an equalization timeout period in the target phase, where equalization training in the target phase is performed on the master chip and the slave chip within the equalization timeout period in the target phase. According to this method, an equalization timeout period used for equalization training is flexibly configured for each equalization training process, so that the configured equalization timeout period more conforms to a training rate currently used for link negotiation, to better ensure that an equalization parameter is found within the configured equalization timeout period, thereby improving an equalization training success rate.

3. 发明公开

EP4116836A1 EQUALIZATION TIME CONFIGURATION METHOD, CHIP, AND COMMUNICATIONS SYSTEM 有权
公开(公告)号：EP4116836A1
公开(公告)日：2023-01-11
申请号：EP22175587.9
申请日：2019-01-07
申请人： Huawei Technologies Co., Ltd.
发明人： LI, Yongyao , ZHU, Jiang , LUO, Fei , LI, Jiankang , MA, Yulong
IPC分类号： G06F13/42 , G06F13/12 , G06F13/40 , H04L25/03 , G06F13/38 , H04L27/01 , H04L5/14
摘要： This application provides an equalization time configuration method, applied to a processor system in which a PCIe or CCIX bus is used. The method includes: first determining a working PHY type of a master chip and a working PHY type of a slave chip (S103); and then determining an equalization time of the slave chip in a fourth phase of equalization based on the working PHY type of the master chip (S107), and determining an equalization time of the master chip in a third phase of the equalization based on the working PHY type of the slave chip (S107). This solution can help reduce a quantity of link negotiation failures resulting from equalization time insufficiency.

4. 发明公开

EP3779711A1 METHOD FOR CONFIGURING BALANCE TIME, CHIPS AND COMMUNICATION SYSTEM 有权
公开(公告)号：EP3779711A1
公开(公告)日：2021-02-17
申请号：EP19806439.6
申请日：2019-01-07
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： LI, Yongyao , ZHU, Jiang , LUO, Fei , LI, Jiankang , MA, Yulong
IPC分类号： G06F13/42 , G06F13/12
摘要： This application provides an equalization time configuration method, applied to a processor system in which a PCIe or CCIX bus is used. The method includes: first determining a working PHY type of a master chip and a working PHY type of a slave chip; and then determining an equalization time of the slave chip in a fourth phase of equalization based on the working PHY type of the master chip, and determining an equalization time of the master chip in a third phase of the equalization based on the working PHY type of the slave chip. This solution can help reduce a quantity of link negotiation failures resulting from equalization time insufficiency. This application further provides an apparatus and a communications system that perform the method, and a chip mentioned when the method is performed.

5. 发明公开

EP3779708A1 METHOD FOR FAST BALANCING, CHIPS, AND COMMUNICATION SYSTEM 有权
公开(公告)号：EP3779708A1
公开(公告)日：2021-02-17
申请号：EP19822954.4
申请日：2019-04-06
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： LI, Yongyao , LUO, Fei , NIE, Er
IPC分类号： G06F13/16 , G06F13/40 , G06F13/42
摘要： This application provides a fast equalization method, to reduce duration required in a link equalization process. The method includes: storing a receive parameter and a transmit parameter, of each of a primary chip and a secondary chip, that meet a link stability requirement and that are obtained when link equalization is previously performed; and when determining that link equalization needs to be performed, configuring, as first fast equalization timeout duration, a larger value in initial fast equalization timeout duration of the primary chip and initial fast equalization timeout duration of the secondary chip, and invoking first equalization parameters, so that the primary chip and the secondary chip perform a current time of link equalization based on the first fast equalization timeout duration and the foregoing transmit and receive parameters, where the first fast equalization timeout duration is equalization timeout duration that is of the primary chip in a third phase of equalization and that exists when the current time of link equalization is performed and equalization timeout duration that is of the primary chip in a fourth phase of equalization and that exists when the current time of link equalization is performed, and is equalization timeout duration that is of the secondary chip in the third phase of equalization and that exists when the current time of link equalization is performed and equalization timeout duration that is of the secondary chip in the fourth phase of equalization and that exists when the current time of link equalization is performed. Further, this application further provides an apparatus and a communications system for performing the method, and a chip mentioned in performing the method.

6. 发明公开

EP4322165A1 DATA INTERFACE EQUALIZATION ADJUSTMENT METHOD AND APPARATUS, DEVICE AND STORAGE MEDIUM 审中-实审
公开(公告)号：EP4322165A1
公开(公告)日：2024-02-14
申请号：EP22814954.8
申请日：2022-05-05
申请人： Huawei Technologies Co., Ltd.
发明人： XU, Shibin , WANG, Kejian , LUO, Fei , LI, Jiankang
IPC分类号： G11C7/12 , G06F13/00
摘要： Embodiments of this application disclose a data interface equalization adjustment method and apparatus, a device, and a storage medium, and relate to the field of data interface technologies. The method includes: A second device determines equalization parameter indication information of a first transmitter TX on a first data interface. The second device sends a first equalization training sequence block ETSB to a corresponding RX on the first data interface through a TX on a second data interface, where the first ETSB carries the equalization parameter indication information and equalization target indication information, and the equalization target indication information indicates that the first TX is an equalization target. The first device determines the equalization target to be the first TX based on the equalization target indication information, and adjusts an equalization parameter of the first TX to an equalization parameter indicated by the equalization parameter indication information. According to this application, equalization adjustment can be performed on a data interface having different quantities of TXs and RXs.

7. 发明公开

EP4002696A1 LINK ADJUSTMENT CIRCUIT 审中-公开
公开(公告)号：EP4002696A1
公开(公告)日：2022-05-25
申请号：EP21193006.0
申请日：2018-11-06
申请人： Huawei Technologies Co., Ltd.
发明人： LI, Yongyao , LI, Jiankang , YU, Jun , ZHU, Jiang , LUO, Fei
IPC分类号： H03L7/07 , H03L7/22 , H04L1/00
摘要： This application provides a link adjustment circuit. The link adjustment circuit comprises a link status circuit and a phase locked loop control circuit, wherein the link status circuit is configured to obtain a signal transmitted in a data channel circuit; the link status circuit is further configured to obtain link status information based on the obtained signal; the link status circuit is further configured to determine, based on the link status information, that a rate of a link needs to be changed; the phase locked loop control circuit is configured to: when the link status circuit determines that the rate of the link needs to be changed, configure an operating parameter of a target phase locked loop as an operating parameter corresponding to a changed rate, wherein the target phase locked loop is an unused phase locked loop in at least two phase locked loops; the link status circuit is further configured to detect that the link enters a rate-changing state; and the phase locked loop control circuit is further configured to switch a currently used phase locked loop to the target phase locked loop when the link status circuit detects that the link enters the rate-changing state.

8. 发明公开

EP3886467A1 CALLING METHOD AND TERMINAL DEVICE 有权
公开(公告)号：EP3886467A1
公开(公告)日：2021-09-29
申请号：EP18943345.1
申请日：2018-12-11
申请人： Huawei Technologies Co., Ltd.
发明人： ZHANG, Qi , MA, Yanbin , CHEN, Minghui , LUO, Fei , XIE, Dong
IPC分类号： H04W4/02
摘要： This application provides a call method and a terminal device. The method includes: when roaming from a home public land mobile network HPLMN to a visited public land mobile network VPLMN, a terminal device obtains a first emergency number list of the VPLMN, where the first emergency number list includes at least one emergency number, and the emergency number corresponds to at least one emergency service type; the terminal device obtains a first number, and when the first number is an emergency number in a second emergency number list of the HPLMN and the first number is not an emergency number in the first emergency number list, determines a second number based on the first number, where the second number is the emergency number in the first emergency number list, and the second number and the first number correspond to a same emergency service type; and the terminal device initiates an emergency call based on the second number.

9. 发明公开

EP3885923A1 DRIVER AND DATA TRANSMISSION METHOD 审中-实审
公开(公告)号：EP3885923A1
公开(公告)日：2021-09-29
申请号：EP20744674.1
申请日：2020-01-21
申请人： Huawei Technologies Co., Ltd.
发明人： LI, Yongyao , LUO, Fei , LI, Jiankang , ZHU, Jiang , ZENG, Jieping
IPC分类号： G06F13/40
摘要： This application provides a drive and a data transmission method, to implement low-latency transmission. The drive includes a CDR circuit, an elastic buffer, a receiver circuit, and a transmitter circuit. The CDR circuit is configured to recover a receive clock from a received signal. The receiver circuit is configured to recover sent data from the received signal by using the receive clock. The elastic buffer is configured to: move the data in by using the receive clock, and move the data out by using the receive clock. The transmitter circuit is configured to send, by using the receive clock, the sent data moved out from the elastic buffer.

10. 发明公开

EP2741594A1 BACKPLANE, CABINET-GRADE COMMUNICATION DEVICE, AND BACKPLANE REPLACEMENT METHOD 审中-公开
标题翻译： RÜCKWANDPLATINE，KABINENKOMMUNIKATIONSVORRICHTUNG UND VERFAHREN ZUM WECHSELN DERRÜCKWANDPLATINE
公开(公告)号：EP2741594A1
公开(公告)日：2014-06-11
申请号：EP13770617.2
申请日：2013-04-07
申请人： Huawei Technologies Co., Ltd.
发明人： BAI, Lei , AO, Feng , LUO, Fei
IPC分类号： H05K7/14
CPC分类号： H05K7/1451 , H05K7/1441 , H05K7/1445
摘要： Embodiments of the present invention disclose a backplane, a cabinet-level communication device, and a method for replacing a backplane, relate to the field of mobile communication technologies, and can greatly reduce difficulty in replacing a backplane while ensuring stability of a connection between the backplane and a front board or a rear board. The backplane includes: a base plate of a stripe structure; one or more first connectors arranged on a first face of the base plate and configured to connect a corresponding connector on a front board; and one or more second connectors arranged on a second face of the base plate opposite to the first face and configured to connect a corresponding connector on a rear board. The backplane is fixed and arranged in a detachable manner on the rear board or the front board and can be plugged or unplugged along with the rear board that fixes the backplane or the front board that fixes the backplane. The rear board is connected to the front board in an orthogonal connection manner through the backplane.
摘要翻译：本发明的实施例公开了背板，机柜级通信装置和用于替换背板的方法，涉及移动通信技术领域，并且可以极大地降低更换背板的难度，同时确保在背板之间的连接的稳定性背板和前板或后板。背板包括：条状结构的基板; 一个或多个第一连接器，其布置在所述基板的第一面上并且被配置为连接前板上的对应连接器; 以及一个或多个第二连接器，其布置在所述基板的与所述第一面相对的第二面上并且被配置为连接后板上的相应连接器。背板固定并可拆卸地布置在后板或前板上，并且可以与固定背板或固定背板的前板的后板一起插拔。后板通过背板以正交连接的方式连接到前板。

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