Patents by Inventor Yan Cheng
Yan Cheng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9756581Abstract: An uplink transmission power control method and a user equipment are provided, where the method includes: determining, by a UE, whether uplink channels are simultaneously transmitted over adjacent subframes between multiple carriers; where the adjacent subframes between the multiple carriers are partially overlapped; and timing advance values of the multiple carriers are different; and if uplink channels are simultaneously transmitted over adjacent subframes between multiple carriers, processing, by the user equipment, an uplink channel transmitted over the last symbol on a partially overlapped subframe of another carrier except a carrier having the greatest timing advance value, so that total transmission power of the uplink channels is lower than the maximum transmission power or an interference level of the user equipment.Type: GrantFiled: June 19, 2014Date of Patent: September 5, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Xingwei Zhang, Junren Chang, Yuhua Chen, Xiaoan Fan, Bo Li, Yan Cheng, Yuanjie Li
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Publication number: 20170244463Abstract: A method and an apparatus for implementing channel measurement are disclosed in the present invention. The method includes: determining an antenna port subset, which is required to be measured, for a UE according to current state information of the user equipment UE; and informing the UE to perform channel measurement for the subset of antenna ports that is required to be measured and feed back channel state information. Through the present invention, when the state information of the UE meets a certain condition, the UE measures only the reference signals of a part of antenna ports, and feeds back channel state information for this part of antenna ports. Therefore, the overhead generated by the feedback of the UE to the channel state information is reduced.Type: ApplicationFiled: May 10, 2017Publication date: August 24, 2017Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yajun ZHAO, Jianguo WANG, Xingqing CHENG, Zuomin WU, Yan CHENG
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Patent number: 9736841Abstract: Embodiments of the present disclosure provide a data transmission method, a base station and user equipment. The method includes: sending, by a first base station, first information to a second base station, or receiving, by the first base station, the first information sent by the second base station, wherein the first information is used for indicating that the second base station is to serve user equipment; sending, by the first base station, second information to the user equipment, wherein the second information is used for instructing the user equipment to operate on a carrier corresponding to the second base station, for enabling the user equipment to operate on the carrier corresponding to the second base station. By adopting the embodiments of the present disclosure, the probability of wrong scheduling of high-capacity user equipment is reduced, and the performance loss caused by wrong scheduling is avoided.Type: GrantFiled: March 27, 2015Date of Patent: August 15, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Yan Cheng, Lixia Xue, Bo Li, Lei Guan
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Patent number: 9736814Abstract: A resource configuration method includes determining, by a base station, a physical multicast channel (PMCH) resource area and a non-PMCH resource area in a resource of a data frame used for transmitting a multicast or broadcast signal, where the PMCH resource area is used to carry a PMCH, and the non-PMCH resource area is used to carry a physical downlink channel; and sending, by the base station, resource configuration information to a user equipment, where the resource configuration information contains at least one of a resource identifier corresponding to the PMCH resource area and a resource identifier corresponding to the non-PMCH resource area.Type: GrantFiled: December 23, 2014Date of Patent: August 15, 2017Assignee: HUAWEI DEVICE CO., LTD.Inventors: Jian Wang, Yan Cheng
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Patent number: 9723597Abstract: Disclosed are a method, a device and a system for transmitting control information, which relate to the field of communication technologies. In order to feed back response information in an application scenario of dynamic TDD subframe, the present invention provides the following technical solution: determining a subframe set corresponding to uplink subframe n, the subframe set comprising dynamic subframes; determining feedback response information according to the subframe set; and sending, in uplink subframe n, the feedback response information to a base station through a physical uplink channel, wherein n is a subframe serial number of the uplink subframe.Type: GrantFiled: August 23, 2013Date of Patent: August 1, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Yongxia Lv, Yan Cheng
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Publication number: 20170199423Abstract: A LCD and the display method thereof are disclosed. The LCD includes a light guiding plate, a light source, a QD media layer, a first polarizer, and an advanced polarization conversion film (APCF). The QD media layer is arranged between the light source and the first polarizer, the first polarizer and the APCF are arranged between the QD media layer and the light guiding plate. The light beams emitted from the light source pass through the QD media layer and activate the QD media layer to emit lights In this way, the brightness of the reflective LCD may be enhanced.Type: ApplicationFiled: December 18, 2015Publication date: July 13, 2017Applicant: Wuhan China Star Optoelectronbics Technology Co., Ltd.Inventor: Yan CHENG
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Publication number: 20170195103Abstract: Disclosed is a method and an apparatus for transmitting acknowledgement information. The apparatus includes: a transmission module, configured to transmit, in a secondary serving cell, a PDSCH to a UE; a determining module, configured to determine an HARQ time sequence relationship corresponding to the secondary serving cell, where the HARQ time sequence relationship is an HARQ time sequence relationship between the PDSCH and an HARQ; and a receiving module, configured to receive, in a primary serving cell according to the HARQ time sequence relationship determined by the determining module, the HARQ-ACK corresponding to the PDSCH. The primary serving cell is a TDD primary serving cell configured by a base station for the UE, the secondary serving cell is a secondary serving cell in N TDD secondary serving cells configured by the base station for the UE, and N is a natural number that is greater than or equal to 1.Type: ApplicationFiled: March 17, 2017Publication date: July 6, 2017Inventors: Lei GUAN, Lixia XUE, Yan CHENG
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Publication number: 20170192157Abstract: A metal-doped quantum dot is provided. By doping metal in the intrinsic quantum dot, the quantum dot has fluorescent stability and may not be quenched at high temperature. Meanwhile, the metal-doped quantum dot is used to prepare red, green and blue quantum dot dielectric layers, and the red, green and blue quantum dot dielectric layers are packaged in a LED device to mix the red, green and blue light to obtain a white light. In addition, the above LED device can be used to prepare a LED bar with simple structure which is adapt for a side-incident backlight module and good for designing ultra-thin and narrow bezel product.Type: ApplicationFiled: September 11, 2015Publication date: July 6, 2017Inventor: Yan CHENG
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Publication number: 20170168214Abstract: The present disclosure discloses a liquid crystal display driving device, including a time sequence controller, a data and scan drivers, a liquid display panel and a programmable gamma circuit connected to the data driver. The time sequence controller is respectively connected to the data and scan drivers. The data driver coverts an image data to an analog voltage. The programmable gamma circuit outputs a reference voltage to the data driver and used to assign the reference voltage in real time. The reference voltage corrects the analog voltage so the data driver outputs a gray-level voltage to a liquid crystal unit opened by the scan driver to display an image frame or a black frame. It overcome a problem of overlapping a left-eye and right-eye image frames and at the same time greatly decreases a power consumption of a system. The present disclosure also discloses a liquid crystal display driving method.Type: ApplicationFiled: September 10, 2015Publication date: June 15, 2017Applicants: Shenzhen China Star Optoelectronics Technology Co. Ltd., WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO. LTD.Inventor: Yan CHENG
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Patent number: 9680298Abstract: An input redundant circuit according to the present disclosure may include: a core power supply unit; a first input port connected to a first input voltage; a second input port connected to a second input voltage; a relay unit connected to the first input port and the second input port to supply one of the first input voltage and the second input voltage to the core power supply unit; and a surge current limiting unit coupled to the relay unit, configured to limit a surge current generated when the relay unit is switched between the first input voltage and the second input voltage.Type: GrantFiled: October 16, 2014Date of Patent: June 13, 2017Assignee: ASTEC INTERNATIONAL LIMITEDInventor: Chung Yan Cheng
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Patent number: 9673883Abstract: A method and an apparatus for implementing channel measurement are disclosed in the present invention. The method includes: determining an antenna port subset, which is required to be measured, for a UE according to current state information of the user equipment UE; and informing the UE to perform channel measurement for the subset of antenna ports that is required to be measured and feed back channel state information. Through the present invention, when the state information of the UE meets a certain condition, the UE measures only the reference signals of a part of antenna ports, and feeds back channel state information for this part of antenna ports. Therefore, the overhead generated by the feedback of the UE to the channel state information is reduced.Type: GrantFiled: April 27, 2012Date of Patent: June 6, 2017Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yajun Zhao, Jianguo Wang, Xingqing Cheng, Zuomin Wu, Yan Cheng
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Publication number: 20170146718Abstract: A quantum dot backlight module is disclosed. The quantum dot backlight module comprises a light source; a quantum dot layer, which emits fluorescence after being excited by light that is emitted by the light source; and a light guide plate, which guides the fluorescence that is emitted by the quantum dot layer to a needed direction, wherein the quantum dot layer is arranged on a light-entering side of the light guide plate, and a colloid layer is arranged between the light source and the quantum dot layer so as to enable the light source and the quantum dot layer to be bonded with each other closely, whereby the light source, the quantum dot layer, and the light guide plate are assembled together.Type: ApplicationFiled: June 23, 2015Publication date: May 25, 2017Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventor: Yan Cheng
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Publication number: 20170141277Abstract: The present invention discloses an assembling structure of light emitting components including a substrate, a light emitting component, and at least one connecting part. The light emitting component is arranged on the substrate, the light emitting component includes a first pin and a second pin embedded within the substrate, and at least one connecting part is embedded within the substrate. The connecting part electrically connects to the substrate. The connecting part connects the first pin and the second pin. Compared to the conventional solution, wherein the pins of the light emitting component and the lead are configured outside of the substrate, the light beams are prevented from being blocked by the components. Not only the light beams may be more uniform, but also the light beams are prevented from being absorbed by the lead.Type: ApplicationFiled: June 24, 2015Publication date: May 18, 2017Applicants: Shenzhen China Star Optoelectronics Technology Co., Ltd., WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTDInventors: Yan CHENG, Gege ZHOU
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Publication number: 20170139104Abstract: The present invention discloses a backlight module and a liquid crystal device (LCD). The backlight module includes a LED component, a light guiding plate, a quantum dot (QD) layer, and a graphite sheet. The QD layer is arranged between the LED component and the light guiding plate, and the QD layer is arranged on the graphite sheet. By configuring the QD layer on the graphite sheet, the QD layer is prevented from being failed due to high temperature so as to extend the life cycle of the QD layer. Thus, the display performance may be enhanced.Type: ApplicationFiled: September 9, 2015Publication date: May 18, 2017Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventor: Yan CHENG
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Publication number: 20170118726Abstract: Embodiments of the present invention provide a power determining method, a user equipment, and a base station. The method includes: determining an initial transmit power of each transmission object in a transmission object set; when a sum of initial transmit powers of all the transmission objects in the transmission object set is greater than a maximum transmit power, performing a power reduction operation based on a priority sequence of information corresponding to the transmission objects, so as to acquire an available transmit power of each transmission object in the transmission object set, where a sum of available transmit powers of all the transmission objects in the transmission object set is not greater than the maximum transmit power; and sending each transmission object in the transmission object set according to the available transmit power corresponding to each transmission object in the transmission object set.Type: ApplicationFiled: January 9, 2017Publication date: April 27, 2017Inventors: Yan CHENG, Zhiyu YAN
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Patent number: 9635576Abstract: The present invention discloses a method for transmitting channel state information, a user equipment, and a base station. The method includes: determining to-be-reported channel state information CSI, where the to-be-reported CSI includes at least one CSI report, and each CSI report of the at least one CSI report corresponds to one downlink carrier; and sending the to-be-reported CSI to a base station through a physical uplink channel. The user equipment includes a determining module and a sending module. The base station includes a receiving module, a first determining module, and a second determining module. According to the method, the user equipment, and the base station in the embodiments of the present invention, channel state information from different downlink carriers can be transmitted on a same subframe, and a performance requirement of the reported channel state information can be ensured, and power utilization efficiency can be improved.Type: GrantFiled: February 11, 2014Date of Patent: April 25, 2017Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yan Cheng, Yongxia Lv
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Patent number: 9618681Abstract: A quantum dot backlight module includes: a reflector, a light guide plate disposed above the reflector, a plurality of dot units disposed on an upper surface of the light guide plate at intervals, and a quantum dot packaged in each of the plurality of dot units, and light emitting diodes disposed on a edge side of the light guide plate. According to the present invention, the quantum dot material can be used less, which is good for reducing the production cost. Besides, heat can be effectively radiated from the light emitting diodes. Wide color gamut is realized as well.Type: GrantFiled: December 5, 2014Date of Patent: April 11, 2017Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Yan Cheng, Jiangfeng Wang
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Publication number: 20170079030Abstract: A method for transmitting and receiving Uplink Control Information (UCI), a terminal, and a base station are provided. The transmitting method includes: calculating the number (Q?) of modulation symbols occupied by the UCI to be transmitted; dividing the information bit sequence of the UCI to be transmitted into two parts; using Reed Muller (RM) (32, 0) codes to encode each part of information bit sequence of the UCI to be transmitted to obtain a 32-bit coded bit sequence respectively, and performing rate matching so that the rate of the first 32-bit coded bit sequence is ?Q?/2?×Qm bits and that the rate of the second 32-bit coded bit sequence is (Q???Q?/2?)×Qm bits; and mapping the two parts of coded bit sequences that have undergone rate matching onto a Public Uplink Shared Channel (PUSCH), and transmitting the coded bit sequences to a base station.Type: ApplicationFiled: November 4, 2016Publication date: March 16, 2017Applicant: HUAWEI TECHNOLOGIES CO.,LTD.Inventors: Yan Cheng, Yongxia Lyu
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Publication number: 20170052304Abstract: The present disclosure relates to a backlight module and a display panel. The backlight module includes a light source, a QD tube and a light guiding plate, the light source being arranged at a lateral side of the light guiding plate, the QD tube being arranged between the light source and the light guiding plate. A light incident surface of the light guiding plate depresses toward an internal of the light guiding plate such that one side of the QD tube is embedded into the light guiding plate and the other side of the QD tube abuts against the light source. The structure is simple and may be easily assembled. In addition, such configuration contributes to the light and thin design.Type: ApplicationFiled: August 28, 2015Publication date: February 23, 2017Applicants: Shenzhen China Star Optoelectronics Technology Co., Ltd., WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., L TDInventor: Yan CHENG
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Patent number: 9565643Abstract: Embodiments of the present invention provide a power determining method, a user equipment, and a base station. The method includes: determining an initial transmit power of each transmission object in a transmission object set; when a sum of initial transmit powers of all the transmission objects in the transmission object set is greater than a maximum transmit power, performing a power reduction operation based on a priority sequence of information corresponding to the transmission objects, so as to acquire an available transmit power of each transmission object in the transmission object set, where a sum of available transmit powers of all the transmission objects in the transmission object set is not greater than the maximum transmit power; and sending each transmission object in the transmission object set according to the available transmit power corresponding to each transmission object in the transmission object set.Type: GrantFiled: March 27, 2015Date of Patent: February 7, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Yan Cheng, Zhiyu Yan