Patents by Inventor Xiaobo Zhang
Xiaobo Zhang 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: 11963193Abstract: The present disclosure discloses a UE and a base station used for wireless communications. The UE receives Q control signaling groups respectively in Q time windows; receives a first control signaling that is used for determining Q1 time window(s) out of the Q time windows; and performs energy detection to determine whether to transmit on a first time-frequency resource; herein, any of the Q control signaling groups comprises a first field; any control signaling comprised by the Q control signaling groups comprises a first field; first fields comprised by control signalings in any of the Q control signaling groups are of a same value; among any Q2 adjacent control signaling groups of the Q control signaling groups, any two control signaling groups comprise first fields of different values; the first radio signal comprises first feedback information. The present disclosure not only ensures HARQ-ACK transmission but reduces signaling overhead redundancy.Type: GrantFiled: April 19, 2022Date of Patent: April 16, 2024Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITEDInventor: Xiaobo Zhang
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Patent number: 11963235Abstract: A method and a device in a node used for wireless communication are disclosed in the present disclosure. A first node transmits a first sequence and a first radio signal, the first sequence being associated with the first radio signal, the first sequence being transmitted on a first random-access channel, and a first bit block being used for generating the first radio signal; receives a second radio signal, the second radio signal comprising a first information block; and transmits a second sequence and a third radio signal, the second sequence being associated with the third radio signal, and the second sequence being transmitted on a second random-access channel, the first bit block being used for generating the third radio signal; the first information block comprises a first sequence index, the first sequence index corresponds to the first sequence.Type: GrantFiled: November 30, 2022Date of Patent: April 16, 2024Assignee: Dido Wireless Innovations LLCInventors: Jin Liu, Xiaobo Zhang
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Patent number: 11963140Abstract: A method and a device in a communication node used for wireless communications is disclosed in the present disclosure. The communication node first receives first information and second information; and transmits a first radio signal in a first time window; and then transmits a second radio signal; the first information is used to determine a target time window, the second radio signal occupies a second time window in time domain, and the second information is used to determine at least one of whether the second time window belongs to the target time window or a relative position relationship between the second time window and the target time window; an end of the first time window is earlier than a start of the target time window. The present disclosure helps improve the utilization ratio of resources in Grant-Free transmission.Type: GrantFiled: May 10, 2023Date of Patent: April 16, 2024Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITEDInventors: Zheng Liu, Xiaobo Zhang
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Patent number: 11963191Abstract: The present disclosure provides a method and a device in nodes used for wireless communication. A first receiver, receiving a first DCI group, which comprises at least one piece of DCI; a first transmitter, transmitting a first signal, which carries a first HARQ-ACK bit sequence; herein, for any DCI in the first DCI group, a first field comprised is used to indicate an accumulated number of cell(s) scheduled by first-type DCI in a first resource pool as of a current reference cell and a current time interval; the current reference cell is a cell having a default cell index of cell(s) scheduled by the DCI in the first DCI group, time-domain resources occupied by the DCI in the first DCI group belong to the current time interval, and at least one piece of DCI in the first DCI group schedules more than one cell.Type: GrantFiled: December 8, 2021Date of Patent: April 16, 2024Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITEDInventor: Xiaobo Zhang
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Patent number: 11962529Abstract: The present disclosure discloses a method and a device for wireless communications in a UE and a base station. A first node transmits a first signal; and monitors a first-type signaling in a first resource block in a first time window. The first signal is used for determining a first reference signal; the first node assumes a QCL parameter identical to a target reference signal for monitoring the first-type signaling in the first resource block in the first time window; the target reference signal is either the first reference signal or a second reference signal; whether the first time window belongs to a first-type time window is used for determining the target reference signal between the first reference signal and the second reference signal. The method provided above raises the chance of a node being served and resource utilization ratio in Unlicensed Spectrum.Type: GrantFiled: July 1, 2021Date of Patent: April 16, 2024Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITEDInventors: Keying Wu, Xiaobo Zhang
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Patent number: 11962453Abstract: The present disclosure provides a method and a device in a communication node used for wireless communications. A communication node receives first information and second information; and transmits a first radio signal, an SCS of a subcarrier occupied by the first radio signal is equal to a first SCS; a sum of a first timing adjustment and a second timing adjustment is used to determine a transmission timing for the first radio signal, and the first timing adjustment is used to determine a transmission timing for a radio signal transmitted earlier than the first radio signal; the second timing adjustment is equal to a sum of a first sub-adjustment and a second sub-adjustment, the first information is used to determine the first sub-adjustment, and the second information is used to determine the second sub-adjustment. The present disclosure improves scheduling flexibility.Type: GrantFiled: October 25, 2021Date of Patent: April 16, 2024Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITEDInventors: Zheng Liu, Xiaobo Zhang
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Patent number: 11963118Abstract: The disclosure provides a method and a device in a User Equipment (UE) and a base station for wireless communication. The UE first receives a first radio signal and a second radio signal, and then transmits a third radio signal. The first radio signal is used for determining a first signature sequence, and a receiving timing of the second radio signal is used for determining a transmitting timing of the third radio signal. The first signature sequence is used for generating the third radio signal. The first radio signal and the second radio signal are associated with a first synchronization sequence and a second synchronization sequence respectively, and the first synchronization sequence is different from the second synchronization sequence. According to the disclosure, through the designs of the first radio signal and the second radio signal, thereby improving system performances and transmission efficiency.Type: GrantFiled: October 24, 2022Date of Patent: April 16, 2024Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITEDInventor: Xiaobo Zhang
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Patent number: 11963153Abstract: The present disclosure provides a method and device in User Equipment (UE) and a base station for dynamic scheduling. The UE first receives first information; and then receives second information; and operates a first radio signal. Wherein the first information comprises Q field(s), a first field is used to determine a first antenna port set, the first field is one field of the Q field(s). The first antenna port set comprises a positive integer of antenna port(s), the second information is transmitted by an antenna port within the first antenna port set. The first information and the second information are both dynamically configured. The operating refers to receiving, or the operating refers to transmitting. The second information is used to determine scheduling information of the first radio signal. The present disclosure ensures the robustness of scheduling signaling reception in multi-antenna scenarios, and also avoids excessive overhead, hence improving transmission efficiency.Type: GrantFiled: September 11, 2022Date of Patent: April 16, 2024Assignee: APEX BEAM TECHNOLOGIES LLCInventor: Xiaobo Zhang
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Publication number: 20240121816Abstract: The present disclosure discloses a method and a device in wireless communication. A User Equipment receives first information; and then transmits a first radio signal; and transmits a second radio signal. The first information comprises P1 piece(s) of configuration information, each of which is used to determine first-type resources, a first-type integer, and a first-type set; the first radio signal and the second radio signal comprises M1 first and M2 second radio sub-signal(s), respectively; the M2 is an element within a target set which is a positive integer; time-frequency resources occupied by the first radio signal belong to the first-type resources determined by first configuration information, the M1 is the first-type integer determined by the first configuration information, the target set is the first-type set determined by the first configuration information. The present disclosure provides a method of determining a number of non-grant uplink repeated transmissions while avoiding timing confusion.Type: ApplicationFiled: December 18, 2023Publication date: April 11, 2024Inventor: XiaoBo Zhang
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Publication number: 20240120981Abstract: The present application discloses a method and device in a node for wireless communications. A first node receives a reference signal in a first reference signal resource sub-pool; determines a first function according to the receiving behavior in the first reference signal resource sub-pool; transmits a first information block, the first information block being used to determine the first function; receives a second information block, the second information block being used to determine whether a target reference signal resource is associated with the first function; and transmits a third information block, the third information block indicating a first compressed CSI, the first compressed CSI being an input to the first function for generating a first CSI.Type: ApplicationFiled: December 19, 2023Publication date: April 11, 2024Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITEDInventors: Keying WU, Xiaobo ZHANG
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Publication number: 20240121848Abstract: A method and device for wireless communications, comprising receiving a first signaling; the first signaling comprising a first cell identity, the first cell identity being configured to a target Special Cell (SpCell); detecting a first event; herein, the first event belongs to a first candidate event set, the first candidate event set comprises at least one of a first timer being expired, receiving an indication of MAC of an MCG related to a problem occurring in random access procedure, receiving an indication of RLC of an MCG related to reaching a maximum number of retransmissions, or receiving an indication of MAC of an MCG related to continuous uplink listen before talk (LBT) failure; the behavior of detecting whether a first event triggers radio link failure is related to whether there is an ongoing first signaling procedure. The present application can achieve better mobility management through a first signaling.Type: ApplicationFiled: September 26, 2023Publication date: April 11, 2024Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITEDInventors: Yu CHEN, Xiaobo ZHANG
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Patent number: 11956033Abstract: The present disclosure provides a method and a device in a User Equipment (UE) and a base station for multi-antenna transmission. A first node operates first downlink information. The first field of the first downlink information is used for determining a first radio resource, and the second field of the first downlink information is used for determining a second radio resource. The first radio resource is reserved for a first-type reference signal, and the second radio resource is reserved for a second-type reference signal. A target receiver of the first-type reference signal comprises the first node, a transmitter of the second-type reference signal is the first node. A measurement on the first-type reference signal is used for generating the second-type reference signal. The first node is a UE and the operating action is receiving; or the first node is a base station and the operating action is transmitting.Type: GrantFiled: September 20, 2022Date of Patent: April 9, 2024Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.Inventor: XiaoBo Zhang
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Patent number: 11954152Abstract: The present specification discloses video matching. In a computer-implemented method, a plurality of feature vectors of a target video is obtained. A candidate video similar to the target video is retrieved from a video database based on the plurality of feature vectors of the target video. A time domain similarity matrix feature map is constructed between the target video and the candidate video based on the target video and the candidate video. Using the time domain similarity matrix feature map as an input into a deep learning detection model, a video segment matching the target video in the candidate video and a corresponding similarity is output.Type: GrantFiled: January 3, 2023Date of Patent: April 9, 2024Assignee: Alipay (Hangzhou) Information Technology Co., Ltd.Inventors: Chen Jiang, Wei Zhang, Qing Wang, Yuan Cheng, Furong Xu, Kaiming Huang, Xiaobo Zhang, Feng Qian, Xudong Yang, Tan Pan
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Patent number: 11956460Abstract: In some embodiments, a method selects a first template of pixels that is outside of a first block and a second template of pixels that is outside of the first block. Then, the method selects a first region of pixels that are inside the first block and a second region of pixels that are inside the first block. A first weight is calculated based on the first template of pixels and the first region of pixels and a second weight is calculated based on the second template of pixels and the second region of pixels. The first weight and the second weight are used in a motion prediction search for a second block.Type: GrantFiled: August 29, 2019Date of Patent: April 9, 2024Assignee: HULU, LLCInventors: Wenhao Zhang, Deliang Fu, Chen Liu, Xiaobo Liu
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Patent number: 11956769Abstract: The present disclosure provides a method and a device in a UE and a base station for wireless communication. The UE receives a first signaling and a second signaling, and then operates a first radio signal. Herein, the first signaling comprises a first field, the second signaling comprises a second field; the second signaling comprises first-type scheduling information of the first radio signal; the first field of the first signaling and the second field of the second signaling are jointly used for determining whether the first radio signal is related to the first signaling; the operating action is receiving, or the operating action is transmitting. When the UE is scheduled to transmit or measure a plurality of reference signals, the above method can be employed to avoid possible misunderstanding or confusion resulted from citation of one reference signal.Type: GrantFiled: April 8, 2022Date of Patent: April 9, 2024Assignee: Dido Wireless Innovations LLCInventors: KeYing Wu, Xiaobo Zhang
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Patent number: 11956147Abstract: A data transmission method, apparatus, and device, and a computer storage medium are provided. The method includes: obtaining an application packet of a target application; transmitting the application packet to a first routing device by using a network data channel, and transmitting, by using the first routing device, the application packet to a proxy server; meanwhile, transmitting the same application packet to a second routing device by using a short-range wireless data channel different from the network data channel, and transmitting, by using the second routing device, the application packet to the proxy server. The proxy server performs, a deduplication mechanism on the application packet and transmit the application packet to an application server corresponding to the target application.Type: GrantFiled: June 24, 2021Date of Patent: April 9, 2024Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Jingjing Hao, Dan Zhang, Binhui Ning, Xiaobo Hu, Feihu Sun, Liuteng Li, Jianbo Xu, Zhenlin Huang, Shuai Ma, Guoqiang Che
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Publication number: 20240114470Abstract: The present application discloses a method and a device for wireless communications, including: receiving a first signal, the first signal comprising a first message; and determining a synchronization reference according to at least whether the first message is transmitted via a direct path; the first message indicating a first sidelink frequency list, the first sidelink frequency list comprising a first frequency, which is used for sidelink communication; and receiving a first synchronization signal from the synchronization reference determined; and transmitting a second synchronization signal; a reception timing for the first synchronization signal being used to determine a transmission timing of the second synchronization signal. By receiving the first message and first synchronization signal, the present application can determine the synchronization reference correctly.Type: ApplicationFiled: December 14, 2023Publication date: April 4, 2024Applicant: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITEDInventors: Yu CHEN, Xiaobo ZHANG
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Publication number: 20240111773Abstract: Computer technology for retrieving data stored in a table that includes the following computer operations: receiving, from persistent storage of a computer, an original Index Tree data structure; storing, in volatile memory, a memory-based Index Tree data structure based on the original Index Tree data structure, with the memory-based Index Tree data structure including: a root node, a set of hierarchically arranged intermediate layer(s) with each intermediate layer including a plurality of non-leaf nodes, and a leaf layer including a plurality of leaf nodes; and retrieving data from a table in a database, with the retrieval including traversing the memory-based Index Tree data structure through a plurality of child lock pointers to locate pages including the data to be retrieved from the table.Type: ApplicationFiled: September 29, 2022Publication date: April 4, 2024Inventors: Shuo Li, Xiaobo Wang, Sheng Yan Sun, YING ZHANG
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Patent number: 11950134Abstract: The present disclosure discloses a method and a device in communication nodes for wireless communications. In a first node, a successful transmission of a first packet is acknowledged by a first entity, the first entity being used for unicast; a second entity being used for non-unicast does not indicate that the second entity deletes a duplicated first packet; the second entity being used for unicast indicates that the second entity deletes a duplicated first packet; herein, the first entity and the second entity are associated with a same higher layer entity. The present disclosure helps avoid deleting a same packet repeatedly transmitted through multicast, thus ensuring the continuity of traffics received by multicast, which further reduces higher layer retransmissions triggered by deletion of the packet, thus decreasing traffic delay.Type: GrantFiled: August 23, 2021Date of Patent: April 2, 2024Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITEDInventor: Xiaobo Zhang
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Patent number: 11949469Abstract: The present disclosure provides a method and device for multi-antenna transmission in UE and base station. The user equipment receives a first wireless signal at first; then transmits a second wireless signal, and monitors a first signaling in a first sub-time resource pool. Wherein the first wireless signal is transmitted by K antenna port group(s) and the second wireless signal is used to determine the first antenna port group. The first antenna port group is one of the K antenna port group(s). The first sub-time resource pool is reserved to the first antenna port group, or the index of the first antenna port group is used to determine the first sub-time resource pool. One antenna port group includes positive integer number of antenna ports, and the K is a positive integer greater than 1. The disclosure reduces the complexity of blind detection of downlink signaling by the UE.Type: GrantFiled: April 23, 2023Date of Patent: April 2, 2024Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITEDInventor: Xiaobo Zhang