Patents by Inventor Zhaocheng Wang
Zhaocheng Wang 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: 11831708Abstract: A distributed computation offloading method based on computation-network collaboration in a stochastic network is provided. The distributed computation offloading method includes: building a device revenue maximization problem model and a MEC server revenue maximization problem model based on a local computing model and an edge cloud computing model; building composite sets of scenarios for dwell time and waiting latency based on a random movement of a user and burst computation demands; compensating for a game strategy by using a posteriori recourse action and building a game-based stochastic programming model between the device and the MEC server; transforming a multi-stage stochastic regularization problem for both the device and the MEC server into a DEP problem by constructing a scenario tree, and solving the DEP problem to obtain an optimal task strategy for the offloading from the MEC server and an optimal offering strategy of the MEC server to the device.Type: GrantFiled: November 5, 2021Date of Patent: November 28, 2023Assignee: CHONGQING UNIVERSITY OF POSTS AND TELECOMMUNICATIONSInventors: Yun Li, Shichao Xia, Zhixiu Yao, Guangfu Wu, Hongcheng Zhuang, Zhaocheng Wang
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Patent number: 11831575Abstract: An electronic device and method for wireless communication system, and a storage medium. In the method, reference signal are carried merely on a part of communication sources for channel estimation, channel states on the communication resources carrying the reference signal are estimated, and conditions of channel paths from a transmitter to a receiver are estimated by using the estimated channel states of the communication resources. Thereby, channel states on other communication resources from the transmitter to the receiver can be obtained from the estimated channel path conditions.Type: GrantFiled: November 4, 2022Date of Patent: November 28, 2023Assignee: SONY GROUP CORPORATIONInventors: Ziyuan Sha, Zhaocheng Wang, Jianfei Cao
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Patent number: 11799693Abstract: A wireless communication method and a wireless communication device. An electronic device for a user equipment in a wireless communication system, including a processing circuit configured to receive, from a base station, channel state information reference signal with a set of reception filters, perform channel estimation on a downlink channel from the base station to the user equipment, select, from the set of reception filters, one or more particular reception filters corresponding to respective channel estimation results that satisfy a first predetermined condition, and signal, from the user equipment to the base station, sounding reference signal with one or more particular transmission filters, wherein the one or more particular transmission filters and one or more particular reception filters are reciprocal respectively.Type: GrantFiled: March 31, 2022Date of Patent: October 24, 2023Assignee: SONY GROUP CORPORATIONInventors: Peiyao Zhao, Zhaocheng Wang, Jinhui Chen
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Publication number: 20230318668Abstract: A wireless communication method and a wireless communication device.Type: ApplicationFiled: June 8, 2023Publication date: October 5, 2023Applicant: Sony Group CorporationInventors: Peiyao ZHAO, Zhaocheng WANG, Xudong ZHU, Jinhui CHEN
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Publication number: 20230318177Abstract: An electronic device comprises a processing circuit configured to: acquire multiple pieces of channel information, which are obtained via multiple channel measurements, about an equivalent channel between a first communication device and a second communication device, wherein in each channel measurement, the second communication device obtains a piece of channel information on the basis of a received reference signal sent from the first communication device, and a reflection signal sent by an intelligent reflecting surface between the first communication device and the second communication device using a corresponding group of reflection parameters to reflect the reference signal; and by means of performing joint processing on multiple groups of reflection parameters used in the multiple channel measurements and the multiple pieces of acquired channel information, determine channel estimations of multiple integration sub-channels which are capable of representing the equivalent channel together with the refleType: ApplicationFiled: September 18, 2021Publication date: October 5, 2023Applicant: Sony Group CorporationInventors: Zhengyi ZHOU, Zhaocheng WANG, Ning GE, Jianfei CAO
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Publication number: 20230291445Abstract: Disclosed are a device and method in a wireless communication system. The device comprises: a first generating unit configured to generate a first pre-coding matrix according to first channel information on a channel between a first communication apparatus and a second communication apparatus; a second generating unit configured to generate a second pre-coding matrix according to the first pre-coding matrix and second channel information on the channel; and a pre-coding unit configured to pre-code a data signal according to the first pre-coding matrix and the second pre-coding matrix. According to the embodiments of the present invention, interference between user equipment can be effectively removed, the operation complexity is reduced, and the whole performance of the system is optimized.Type: ApplicationFiled: May 19, 2023Publication date: September 14, 2023Applicant: Sony Group CorporationInventors: Chen QIAN, Zhaocheng WANG, Wendong LIU, Jinhui CHEN
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Publication number: 20230245447Abstract: Systems and methods for determining varying phenomena in an environment. In an embodiment, an system includes a processor configured to receive a sequence of remote sensing data regarding an environment, wherein the environment comprises a target area where changes have occurred and a surrounding area where few or no changes have occurred; process the RS data to determine signals for the changes that have occurred in the target area and where no changes have occurred in the surrounding area, wherein the signals comprise reflected sunlight radiation or returned light or radiation of different wavelengths captured by the sensor; process the signals to determining environment data indicting varying phenomena in the environment, wherein the varying phenomena in the environment comprise changes in the physical characteristics of the target area and an amount of radiation captured by the RS data; and provide the environment data for display via a user device.Type: ApplicationFiled: February 1, 2023Publication date: August 3, 2023Inventors: Zhaocheng Wang, Enrique Vivoni
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Publication number: 20230239020Abstract: An electronic device, a wireless communication method, and a computer-readable storage medium. The electronic device comprises a processing circuit, configured to send two reference signals using identical time-frequency resources and respectively using two beams in a beam pair, wherein a spatial distance between the two beams in the beam pair is greater than a predetermined value, and the two reference signals satisfy a predetermined constraint relation. The efficiency of a beam training process can be improved, and the time consumption of the beam training process is reduced, thereby achieving a compromise between beam training overheads and beamforming gains.Type: ApplicationFiled: July 20, 2021Publication date: July 27, 2023Applicant: Sony Group CorporationInventors: Ke MA, Wendong LIU, Zhaocheng WANG, Jianfei CAO
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Patent number: 11711121Abstract: A wireless communication method and a wireless communication device.Type: GrantFiled: April 20, 2021Date of Patent: July 25, 2023Assignee: SONY GROUP CORPORATIONInventors: Peiyao Zhao, Zhaocheng Wang, Xudong Zhu, Jinhui Chen
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Patent number: 11689255Abstract: Disclosed are a device and method in a wireless communication system. The device comprises: a first generating unit configured to generate a first pre-coding matrix according to first channel information on a channel between a first communication apparatus and a second communication apparatus; a second generating unit configured to generate a second pre-coding matrix according to the first pre-coding matrix and second channel information on the channel; and a pre-coding unit configured to pre-code a data signal according to the first pre-coding matrix and the second pre-coding matrix. According to the embodiments of the present invention, interference between user equipment can be effectively removed, the operation complexity is reduced, and the whole performance of the system is optimized.Type: GrantFiled: October 9, 2020Date of Patent: June 27, 2023Assignee: SONY CORPORATIONInventors: Chen Qian, Zhaocheng Wang, Wendong Liu, Jinhui Chen
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Publication number: 20230199061Abstract: A distributed computation offloading method based on computation-network collaboration in a stochastic network is provided. The distributed computation offloading method includes: building a device revenue maximization problem model and a MEC server revenue maximization problem model based on a local computing model and an edge cloud computing model; building composite sets of scenarios for dwell time and waiting latency based on a random movement of a user and burst computation demands; compensating for a game strategy by using a posteriori recourse action and building a game-based stochastic programming model between the device and the MEC server; transforming a multi-stage stochastic regularization problem for both the device and the MEC server into a DEP problem by constructing a scenario tree, and solving the DEP problem to obtain an optimal task strategy for the offloading from the MEC server and an optimal offering strategy of the MEC server to the device.Type: ApplicationFiled: November 5, 2021Publication date: June 22, 2023Applicant: CHONGQING UNIVERSITY OF POSTS AND TELECOMMUNICATIONSInventors: Yun LI, Shichao XIA, Zhixiu YAO, Guangfu WU, Hongcheng ZHUANG, Zhaocheng WANG
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Patent number: 11618682Abstract: Provided are a slurry of graphene oxides with different degrees of oxidation, a composite film of graphene oxides, and a graphene heat-conducting film. The slurry of the graphene oxides comprises the graphene oxides and a solvent, and the graphene oxides include a strong graphene oxide and a weak graphene oxide, wherein the slurry comprises two graphene oxides with different degrees of oxidation, which can increase a carbon content in the graphene oxide per unit mass, so that the finally obtained graphene heat-conducting film has more carbon.Type: GrantFiled: March 7, 2022Date of Patent: April 4, 2023Assignee: CHANGZHOU FUXI TECHNOLOGY CO., LTDInventors: Bucun Zhou, Renjie Zhou, Jing Lu, Dong Su, Zhaocheng Wang, Feng Li
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Publication number: 20230064870Abstract: An electronic device and method for wireless communication system, and a storage medium. In the method, reference signal are carried merely on a part of communication sources for channel estimation, channel states on the communication resources carrying the reference signal are estimated, and conditions of channel paths from a transmitter to a receiver are estimated by using the estimated channel states of the communication resources. Thereby, channel states on other communication resources from the transmitter to the receiver can be obtained from the estimated channel path conditions.Type: ApplicationFiled: November 4, 2022Publication date: March 2, 2023Applicant: Sony Group CorporationInventors: Ziyuan SHA, Zhaocheng WANG, Jianfei CAO
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Patent number: 11569882Abstract: An electronic device for a multi-antenna communication apparatus in a processing circuit. The processing circuit is configured to: map a first information bit to a first reconstructed channel in a plurality of reconstructed channels associated with a plurality of antennas of a multi-antenna communication apparatus; and provide a reconstruction parameter corresponding to the first reconstructed channel, so as to reconstruct an actual channel from the multi-antenna communication apparatus to a peer communication apparatus to bear the first information bit, wherein the plurality of reconstructed channels are determined by configuring, based on a plurality of groups of reconstruction parameters, the plurality of antennas of the multi-antenna communication apparatus, so that the plurality of reconstructed channels have a low correlation with each other.Type: GrantFiled: June 1, 2017Date of Patent: January 31, 2023Assignee: SONY CORPORATIONInventors: Xudong Zhu, Zhaocheng Wang, Chen Sun
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Patent number: 11552756Abstract: An electronic device and method for wireless communication system, and a storage medium. In the method, reference signal are carried merely on a part of communication sources for channel estimation, channel states on the communication resources carrying the reference signal are estimated, and conditions of channel paths from a transmitter to a receiver are estimated by using the estimated channel states of the communication resources. Thereby, channel states on other communication resources from the transmitter to the receiver can be obtained from the estimated channel path conditions.Type: GrantFiled: November 14, 2018Date of Patent: January 10, 2023Assignee: SONY CORPORATIONInventors: Ziyuan Sha, Zhaocheng Wang, Jianfei Cao
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Publication number: 20220417918Abstract: The present disclosure relates to an electronic device, a method, and a storage medium for a wireless communication system. Various embodiments for setting guard periods for downlink-to-uplink switching are described. An embodiment relates to an electronic device for a base station used in a TDD communication system, and the electronic device comprises a processing circuit. The processing circuit is configured to: set a first guard period for downlink-to-uplink switching for a first terminal device in a first cell; and set a second guard period for downlink-to-uplink switching for a second terminal device in the first cell, wherein the second guard period for downlink-to-uplink switching is different from the first guard period for downlink-to-uplink switching.Type: ApplicationFiled: December 22, 2020Publication date: December 29, 2022Applicant: Sony Group CorporationInventors: Zhengyi ZHOU, Zhaocheng WANG, Ning GE, Jianfei CAO
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Publication number: 20220400431Abstract: Provided are an electronic device and a method for wireless communication, and a computer-readable storage medium. The electronic device for wireless communication comprises a processing circuit, wherein the processing circuit is configured to: when it is determined that the electronic device is an overload electronic device with the load thereof being greater than a predetermined threshold value, perform load balancing on the basis of a first beam power of a first beam which is scanned for the initial access of a user equipment and is received by a first user equipment from each adjacent electronic device of at least one adjacent electronic device of the overload electronic device, so as to determine whether the overload electronic device needs to be associated with the first user equipment.Type: ApplicationFiled: March 9, 2021Publication date: December 15, 2022Applicant: Sony Group CorporationInventors: Zhengyi ZHOU, Zhaocheng WANG, Ning GE, Jianfei CAO
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Patent number: 11518678Abstract: A slurry of the graphene oxides comprises the graphene oxides and a solvent. The graphene oxides include a strong graphene oxide and a weak graphene oxide. The slurry can be used to make composite films of graphene oxides and graphene heat-conducting films. The slurry includes two graphene oxides with different degrees of oxidation, which can increase a carbon content in the graphene oxide per unit mass, so that the finally obtained graphene heat-conducting film has more carbon.Type: GrantFiled: August 26, 2020Date of Patent: December 6, 2022Assignee: CHANGZHOU FUXI TECHNOLOGY CO., LTDInventors: Bucun Zhou, Renjie Zhou, Jing Lu, Dong Su, Zhaocheng Wang, Feng Li
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Patent number: 11503504Abstract: An electronic device for a backhaul network, wherein the backhaul network comprises a first communication apparatus connected to a core network and a plurality of second communication apparatuses performing wireless communication with the first communication apparatus, includes: processing circuitry configured to perform control to cause the first communication apparatus comprising the electronic device to: operate as a primary donor; select at least one second communication apparatus of the plurality of second communication apparatuses as a secondary donor; transmit a first indicating signal to the selected at least one second communication apparatus, the first indicating signal comprising node type information indicating the secondary donor; transmit a second indicating signal to a second communication apparatus that are not selected, the second indicating signal comprising node type information indicating a member node.Type: GrantFiled: December 9, 2019Date of Patent: November 15, 2022Assignee: SONY GROUP CORPORATIONInventors: Zhengyi Zhou, Zhaocheng Wang, Ning Ge, Jianfei Cao
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Patent number: 11496188Abstract: An electronic device operating on a base station side and includes a processing circuit configured to perform control to cause the electronic device to: estimate channel correlation in a first direction among a plurality of terminals communicating with the base station; and in response to that the estimated channel correlation in the first direction among the plurality of terminals satisfies a predetermined condition, transmit a first indication signal to indicate that a second measurement process is to be performed to determine channel information in a second direction after a first measurement process is to be performed to determine channel information in the first direction, and transmit, based on the channel information in the second direction, a second indication signal to indicate a precoding scheme for data to be transmitted from the base station to the plurality of terminals, the precoding scheme including linear precoding or non-linear precoding.Type: GrantFiled: October 21, 2019Date of Patent: November 8, 2022Assignee: SONY GROUP CORPORATIONInventors: Wendong Liu, Zhaocheng Wang, Jianfei Cao