Patents by Inventor Xiaoan Fan
Xiaoan Fan 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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Publication number: 20220052831Abstract: A method and device for transmitting a service are disclosed. A terminal device receives position information of specific radio frames in a time unit, and position information of a specific subframe in each of the specific radio frames in the time unit from a base station. Every 2m radio frames in the time unit include one specific radio frame, the position information of the specific radio frames in the time unit comprises a value of a period of the specific radio frames in the time unit, and a length of the period is 2m radio frames, where m is a nonnegative integer. The terminal device receives the service carried in the specific subframe in one or more of the specific radio frames from the base station in accordance with the position information of the specific radio frames and the position information of the specific subframe.Type: ApplicationFiled: August 30, 2021Publication date: February 17, 2022Inventors: Junwei Wang, Xiaoan Fan, Jianghua Liu
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Patent number: 11108534Abstract: A method and device for transmitting a service are disclosed. A terminal device receives position information of specific radio frames in a time unit, and position information of a specific subframe in each of the specific radio frames in the time unit from a base station. Every 2m radio frames in the time unit include one specific radio frame, the position information of the specific radio frames in the time unit comprises a value of a period of the specific radio frames in the time unit, and a length of the period is 2m radio frames, where m is a nonnegative integer. The terminal device receives the service carried in the specific subframe in one or more of the specific radio frames from the base station in accordance with the position information of the specific radio frames and the position information of the specific subframe.Type: GrantFiled: December 27, 2019Date of Patent: August 31, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Junwei Wang, Xiaoan Fan, Jianghua Liu
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Patent number: 10887846Abstract: 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: August 3, 2017Date of Patent: January 5, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Xingwei Zhang, Junren Chang, Yuhua Chen, Xiaoan Fan, Bo Li, Yan Cheng, Yuanjie Li
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Patent number: 10715295Abstract: A method for encoding acknowledgement information includes: receiving a component carrier, where the component carrier includes at least one downlink subframe; generating acknowledgement information bits corresponding to the component carrier according to the received component carrier; dividing the acknowledgement information bits into two groups so that each group includes at least one acknowledgement information bit, where the at least one acknowledgement information bit corresponds to physical downlink shared channel PDSCH transmission, and/or downlink control information DCI, where the DCI is used for indicating downlink semi-persistent scheduling SPS release; and encoding the two divided groups of acknowledgement information bits to obtain two groups of codeword bits, respectively, and generating, from the two groups of codeword bits obtained by the encoding, total codeword bits to be transmitted.Type: GrantFiled: December 18, 2018Date of Patent: July 14, 2020Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Xiaoan Fan, Yongxia Lv, Xiaofeng Chen
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Publication number: 20200213071Abstract: A method and device for transmitting a service are disclosed. A terminal device receives position information of specific radio frames in a time unit, and position information of a specific subframe in each of the specific radio frames in the time unit from a base station. Every 2m radio frames in the time unit include one specific radio frame, the position information of the specific radio frames in the time unit comprises a value of a period of the specific radio frames in the time unit, and a length of the period is 2m radio frames, where m is a nonnegative integer. The terminal device receives the service carried in the specific subframe in one or more of the specific radio frames from the base station in accordance with the position information of the specific radio frames and the position information of the specific subframe.Type: ApplicationFiled: December 27, 2019Publication date: July 2, 2020Applicant: HUAWEI TECHNOLOGIES CO.,LTD.Inventors: Junwei Wang, Xiaoan Fan, Jianghua Liu
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Patent number: 10681689Abstract: Disclosed are a method, a base station and a user equipment for subframe configuration in a time division duplex system. The method comprises: a base station determining a subframe number of a flexible subframe in a radio frame; the base station determining a feature of the flexible subframe corresponding to the subframe number, where the feature indicates that the flexible subframe is an uplink subframe or a downlink subframe; and the base station sending to a user equipment a first signaling via a downlink control channel, where the first signaling includes the feature of the flexible subframe corresponding to the subframe number.Type: GrantFiled: February 26, 2019Date of Patent: June 9, 2020Assignee: Huawei Technologies Co., Ltd.Inventors: Chaojun Li, Yongxia Lv, Xiaoan Fan
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Patent number: 10630451Abstract: The application relates to radio communication technologies and discloses a method for receiving semi-persistent scheduling (SPS) data packets and sending acknowledgment information of the SPS data packets. A communication apparatus receives physical downlink shared channel (PDSCH) data packets from a base station. The PDSCH data packets include one or more dynamic scheduling data packets and one or more semi-persistent scheduling (SPS) data packets. The communication apparatus sends, to the base station, a sequence including feedback information of the PDSCH data packets. The sequence includes a plurality of bits. Each bit carries an acknowledgement (ACK) or a negative acknowledgement (NAK) to one PDSCH data packet respectively. The bits carrying acknowledgements of the one or more SPS data packets are arranged at the end of the sequence.Type: GrantFiled: January 26, 2019Date of Patent: April 21, 2020Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Xiaoan Fan, Guang Liu, Bo Li, Yunzhe Hou
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Patent number: 10560248Abstract: A method and device for transmitting a service are disclosed. A terminal device receives position information of specific radio frames in a time unit, and position information of a specific subframe in each of the specific radio frames in the time unit from a base station. Every 2m radio frames in the time unit include one specific radio frame, the position information of the specific radio frames in the time unit comprises a value of a period of the specific radio frames in the time unit, and a length of the period is 2m radio frames, where m is a nonnegative integer. The terminal device receives the service carried in the specific subframe in one or more of the specific radio frames from the base station in accordance with the position information of the specific radio frames and the position information of the specific subframe.Type: GrantFiled: November 22, 2018Date of Patent: February 11, 2020Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Junwei Wang, Xiaoan Fan, Jianghua Liu
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Patent number: 10506538Abstract: A method and an apparatus are used to configure a position of a transmission frequency resource according to a synchronization relationship between devices, includes: adjusting, by a first device, synchronization according to synchronization information of a second device, in a case in which the first device is synchronous with the second device, or the second device can adjust a configured frequency resource, configuring a frequency resource close to an edge of a frequency band, where the frequency resource is used to transmit data, and notifying first user equipment; in a case in which the devices are synchronous, adjusting, by the first device and the second device, a start moment or an end moment of transmitting or receiving a signal; and using, by the first device in a manner of extending a bandwidth of a carrier frequency or a manner of carrier aggregation.Type: GrantFiled: September 20, 2016Date of Patent: December 10, 2019Assignee: Huawei Technologies Co., Ltd.Inventors: Xizeng Dai, Xiaoan Fan, Jie Cui, Juan Zheng
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Patent number: 10382242Abstract: Embodiments of the present invention provide a network listening method and device, where the method includes: determining, by a first device according to a type of a network listening resource, a time-frequency pattern that is of a first sequence and is corresponding to the network listening resource of this type; and then transmitting the first sequence to a second device by using the time-frequency pattern of the first sequence, so that the second device performs network listening according to the first sequence. The time-frequency pattern of the first sequence determined in this process is a time-frequency pattern obtained by transforming a time-frequency pattern of a base sequence, and a network listening signal obtained therefrom, that is, the time-frequency pattern of the first sequence, is simple, which can achieve a purpose of reducing complexity of generating a network listening signal and computational complexity of parsing a network listening signal.Type: GrantFiled: September 15, 2016Date of Patent: August 13, 2019Assignee: Huawei Technologies Co., Ltd.Inventors: Juan Zheng, Xiaoan Fan, Yongxia Lyu, Brian Classon
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Patent number: 10383116Abstract: Embodiments of the present invention provide an information transmission method, including: determining, by a user equipment (UE), a first subframe; configuring the UE to send a first uplink signal in the first subframe; determining, by the UE, that the first uplink signal is a first type of uplink signal, where the first type of uplink signal occupies a first part of symbols of the first subframe, and the number of symbols included in the first part of symbols is less than the number of symbols included in the first subframe; and detecting, by the UE, a downlink control channel on a second part of symbols in the first subframe, where the first part of symbols and the second part of symbols do not overlap in time domain.Type: GrantFiled: September 19, 2017Date of Patent: August 13, 2019Assignee: Huawei Technologies Co., Ltd.Inventors: Bo Li, Lei Guan, Xiaoan Fan
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Patent number: 10356804Abstract: A data transmission method and user equipment is provides. The method includes: sending, by user equipment (UE), auxiliary scheduling information to a first part of or all of network side devices, an uplink transmission state of the UE is determined according to the auxiliary scheduling information, and perform scheduling on the UE according to the uplink transmission state of the UE, where the uplink transmission state is a first uplink transmission state in which uplink data can be simultaneously transmitted on an uplink carrier corresponding to all of the network side devices, or is a second uplink transmission state in which uplink data can be simultaneously transmitted on an uplink carrier corresponding to a second part of the network side devices; and transmitting, by the UE, data according to scheduling information of the second part of or all of the network side devices.Type: GrantFiled: May 12, 2016Date of Patent: July 16, 2019Assignee: Huawei Technologies Co., Ltd.Inventors: Zhiyu Yan, Xiaoan Fan, Sha Ma, Qiang Li
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Publication number: 20190200327Abstract: Disclosed are a method, a base station and a user equipment for subframe configuration in a time division duplex system. The method comprises: a base station determining a subframe number of a flexible subframe in a radio frame; the base station determining a feature of the flexible subframe corresponding to the subframe number, where the feature indicates that the flexible subframe is an uplink subframe or a downlink subframe; and the base station sending to a user equipment a first signaling via a downlink control channel, where the first signaling includes the feature of the flexible subframe corresponding to the subframe number.Type: ApplicationFiled: February 26, 2019Publication date: June 27, 2019Inventors: Chaojun LI, Yongxia LV, Xiaoan FAN
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Publication number: 20190158256Abstract: The application relates to radio communication technologies and discloses a method for receiving semi-persistent scheduling (SPS) data packets and sending acknowledgment information of the SPS data packets. A communication apparatus receives physical downlink shared channel (PDSCH) data packets from a base station. The PDSCH data packets include one or more dynamic scheduling data packets and one or more semi-persistent scheduling (SPS) data packets. The communication apparatus sends, to the base station, a sequence including feedback information of the PDSCH data packets. The sequence includes a plurality of bits. Each bit carries an acknowledgement (ACK) or a negative acknowledgement (NAK) to one PDSCH data packet respectively. The bits carrying acknowledgements of the one or more SPS data packets are arranged at the end of the sequence.Type: ApplicationFiled: January 26, 2019Publication date: May 23, 2019Applicant: HUAWEI TECHNOLOGIES CO.,LTD.Inventors: Xiaoan Fan, Guang Liu, Bo Li, Yunzhe Hou
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Publication number: 20190123880Abstract: A method for encoding acknowledgement information includes: receiving a component carrier, where the component carrier includes at least one downlink subframe; generating acknowledgement information bits corresponding to the component carrier according to the received component carrier; dividing the acknowledgement information bits into two groups so that each group includes at least one acknowledgement information bit, where the at least one acknowledgement information bit corresponds to physical downlink shared channel PDSCH transmission, and/or downlink control information DCI, where the DCI is used for indicating downlink semi-persistent scheduling SPS release; and encoding the two divided groups of acknowledgement information bits to obtain two groups of codeword bits, respectively, and generating, from the two groups of codeword bits obtained by the encoding, total codeword bits to be transmitted.Type: ApplicationFiled: December 18, 2018Publication date: April 25, 2019Applicant: HUAWEI TECHNOLOGIES CO.,LTD.Inventors: Xiaoan Fan, Yongxia Lv, Xiaofeng Chen
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Patent number: 10251168Abstract: Disclosed are a method, a base station and a user equipment for subframe configuration in a time division duplex system. The method comprises: a base station determining a subframe number of a flexible subframe in a radio frame; the base station determining a feature of the flexible subframe corresponding to the subframe number, where the feature indicates that the flexible subframe is an uplink subframe or a downlink subframe; and the base station sending to a user equipment a first signaling via a downlink control channel, where the first signaling includes the feature of the flexible subframe corresponding to the subframe number.Type: GrantFiled: October 5, 2016Date of Patent: April 2, 2019Assignee: Huawei Technologies Co., Ltd.Inventors: Chaojun Li, Yongxia Lv, Xiaoan Fan
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Publication number: 20190089518Abstract: A method and device for transmitting a service are disclosed. A terminal device receives position information of specific radio frames in a time unit, and position information of a specific subframe in each of the specific radio frames in the time unit from a base station. Every 2m radio frames in the time unit include one specific radio frame, the position information of the specific radio frames in the time unit comprises a value of a period of the specific radio frames in the time unit, and a length of the period is 2m radio frames, where m is a nonnegative integer. The terminal device receives the service carried in the specific subframe in one or more of the specific radio frames from the base station in accordance with the position information of the specific radio frames and the position information of the specific subframe.Type: ApplicationFiled: November 22, 2018Publication date: March 21, 2019Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Junwei Wang, Xiaoan Fan, Jianghua Liu
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Patent number: 10237042Abstract: The application relates to radio communications and discloses a method and apparatus for feeding back and receiving acknowledgment (ACK) information of semi-persistent scheduling (SPS) data packets. The method includes receiving downlink data packets and an uplink data assignment indicator (UL DAI) from a base station, wherein a value of the UL DAI indicates a number (N) of all scheduled downlink sub-frames which scheduled by the base station for the user equipment, the number N is greater than 1, and a number k (k<N) of the downlink data packets is/are semi-persistent scheduling (SPS) data packets; forming a feedback signal comprising N acknowledgements/negative acknowledgements (ACKs/NAKs) acknowledging the N downlink data packets, k ACKs/NAKs of the k SPS data packets is/are placed from (N?k+1)th to Nth positions of the N ACKs/NAKs; and sending the feedback signal to the base station starting from the ACK/NAK at the first position.Type: GrantFiled: April 24, 2017Date of Patent: March 19, 2019Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Xiaoan Fan, Guang Liu, Bo Li, Yunzhe Hou
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Patent number: 10171219Abstract: A method for encoding acknowledgement information includes: receiving a component carrier, where the component carrier includes at least one downlink subframe; generating acknowledgement information bits corresponding to the component carrier according to the received component carrier; dividing the acknowledgement information bits into two groups so that each group includes at least one acknowledgement information bit, where the at least one acknowledgement information bit corresponds to physical downlink shared channel PDSCH transmission, and/or downlink control information DCI, where the DCI is used for indicating downlink semi-persistent scheduling SPS release; and encoding the two divided groups of acknowledgement information bits to obtain two groups of codeword bits, respectively, and generating, from the two groups of codeword bits obtained by the encoding, total codeword bits to be transmitted.Type: GrantFiled: July 29, 2016Date of Patent: January 1, 2019Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Xiaoan Fan, Yongxia Lv, Xiaofeng Chen
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Patent number: 10148406Abstract: A method and device for transmitting a multimedia broadcast multicast service are disclosed. A base station sends to a user equipment device position information of specific radio frames in a time unit, and position information of a specific subframe in each of the specific radio frames in the time unit. The time unit includes 2M radio frames, and the specific radio frames are two or more of the 2M radio frames comprised in the time unit, where M is a nonnegative integer. The base station sends the multimedia broadcast multicast service carried in the specific subframe.Type: GrantFiled: January 20, 2017Date of Patent: December 4, 2018Assignee: HUAWEI TECHNOLOGIES CO.,LTD.Inventors: Junwei Wang, Xiaoan Fan, Jianghua Liu