Patents by Inventor Chun-Kai Tseng
Chun-Kai Tseng 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: 12229590Abstract: A content channel generation device comprises a resource unit assignment circuit, for assigning scheduled station(s) as node(s) of a full binary tree according to a search algorithm; a node computing circuit, for determining first node connection information of the full binary tree, and to determine second node connection information of a smallest full binary tree according to a smallest binary tree algorithm and the first node connection information; a load balance circuit, for determining user field numbers corresponding to content channels according to a load balance function and the second node connection information; a user field generation circuit, for generating a traversal result of the smallest full binary tree according to a traversal algorithm and the second node connection information, and for generating user fields corresponding to the content channels according to the traversal result, to generate the content channels.Type: GrantFiled: March 25, 2021Date of Patent: February 18, 2025Assignee: Realtek Semiconductor Corp.Inventors: Jhe-Yi Lin, Chun-Kai Tseng, Wen-Yung Lee, Shau-Yu Cheng
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Patent number: 12150066Abstract: A wireless transmission method includes obtaining an MCS (modulation and coding scheme) rate and a power amplifier gain of each station in a set of stations for a multi-user (MU) transmission, generating a maximum available MCS rate according to a plurality of MCS rates of the set of stations, selecting a power amplifier gain of the MU transmission according to the maximum available MCS rate, adjusting a digital gain of each station according to the power amplifier gain of the MU transmission and the power amplifier gain of each station, adjusting a frequency domain signal of each station according to the digital gain thereof, converting a plurality of adjusted frequency domain signals of the set of stations into a time domain signal, and generating an amplified signal for the MU transmission according to the power amplifier gain of the MU transmission and the time-domain signal.Type: GrantFiled: August 22, 2022Date of Patent: November 19, 2024Assignee: Realtek Semiconductor Corp.Inventors: Zh-Hong Xiao, Shau-Yu Cheng, Wen-Yung Lee, Chun-Kai Tseng, Jhe-Yi Lin
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Publication number: 20240365209Abstract: A multi-link device includes a link information collecting module, a decision module, a control module, and a transceiver module. The link information collecting module collects wireless environment information and packet transmission information for each channel in the M channels, generates a set of feature scores of each channel, and outputs M sets of feature scores of the M channels. The decision module generates a latency score according to data transmission requirements of a data transmission, if the latency score exceeds a latency threshold, determines whether there are 2 channels satisfying a latency criterion according to the M sets of feature scores of the M channels, and outputs a decision report according to whether there are 2 channels satisfying the latency criterion. The control module configures the transceiver module according to the decision module. The transceiver module performs the data transmission.Type: ApplicationFiled: January 10, 2024Publication date: October 31, 2024Applicant: Realtek Semiconductor Corp.Inventors: Chun-Kai Tseng, Ya-Xin Dai
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Patent number: 12108434Abstract: The present disclosure discloses a dynamic transmission bandwidth allocation method having dynamic transmission bandwidth allocation mechanism used in a wireless communication apparatus is provided that includes the steps outlined below. Interference information and transmission ability information of remote wireless communication apparatuses is retrieved. A predetermined transmission bandwidth range that includes resource units is set. The remote wireless communication apparatuses are allocated in the predetermined transmission bandwidth range to generate an allocation result. Whether the allocation result satisfies resource unit allocation criteria is determined. When the allocation result does not satisfy the resource unit allocation criteria, the predetermined transmission bandwidth range is shrunk to another allocatable transmission bandwidth range to determine whether the allocation result satisfies the resource unit allocation criteria.Type: GrantFiled: April 7, 2022Date of Patent: October 1, 2024Assignee: REALTEK SEMICONDUCTOR CORPORATIONInventors: Chun-Kai Tseng, Shau-Yu Cheng, Wen-Yung Lee
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Patent number: 12101175Abstract: A wireless communication method for optimizing uplink transmission from a communication partner to a wireless communication device includes the following steps: after receiving an uplink performance estimation, determining uplink adjustment information including resource unit allocation and a target received signal strength indicator according to the uplink performance estimation; generating a target channel quality indicator (CQI) according to previous uplink sounding information and the uplink adjustment information, wherein the previous uplink sounding information indicates the characteristics of the uplink transmission; determining uplink transmission setting including a modulation and coding scheme and dual carrier modulation according to the target CQI and the type of an error correction technique and transmitting a control signal to a communication partner according to the uplink transmission setting; and updating the uplink performance estimation according to a reception signal from the communicationType: GrantFiled: March 11, 2022Date of Patent: September 24, 2024Assignee: REALTEK SEMICONDUCTOR CORPORATIONInventors: Wen-Yung Lee, Shau-Yu Cheng, Jhe-Yi Lin, Chun-Kai Tseng, Wei-Hsuan Chang
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Publication number: 20230403657Abstract: An OFDMA power control method includes: transmitting a first trigger frame to a station, wherein the first trigger frame includes a first target RSSI; receiving a first TB-PPDU from the station, wherein the first TB-PPDU is transmitted by the station using a first power according to the first target RSSI; measuring a first power of the first TB-PPDU to obtain a first measured RSSI; and generating a second the target RSSI according to the first measured RSSI.Type: ApplicationFiled: June 5, 2023Publication date: December 14, 2023Inventors: CHO-HAN YU, CHUN-KAI TSENG, WEN-YUNG LEE, JHE-YI LIN, SHAU-YU CHENG
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Publication number: 20230254093Abstract: A wireless communication method, applied to a wireless communication device to decide uplink parameters, comprising: (a) determining which one of candidate stations can be at least one target station which can perform uplink transmissions to the wireless communication device; (b) calculating a number of the target station; (c) allocating at least one RU (Resource Unit) to the target station according to the number and pre-recorded reference allocation information, to generate the uplink parameters comprising RU allocation parameters; and (d) generating a trigger frame comprising the uplink parameters and transmitting the trigger frame to the target station.Type: ApplicationFiled: August 16, 2022Publication date: August 10, 2023Applicant: Realtek Semiconductor Corp.Inventors: Chun-Kai Tseng, Shau-Yu Cheng, Jhe-Yi Lin, Wen-Yung Lee
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Publication number: 20230254780Abstract: A wireless transmission method includes obtaining an MCS (modulation and coding scheme) rate and a power amplifier gain of each station in a set of stations for a multi-user (MU) transmission, generating a maximum available MCS rate according to a plurality of MCS rates of the set of stations, selecting a power amplifier gain of the MU transmission according to the maximum available MCS rate, adjusting a digital gain of each station according to the power amplifier gain of the MU transmission and the power amplifier gain of each station, adjusting a frequency domain signal of each station according to the digital gain thereof, converting a plurality of adjusted frequency domain signals of the set of stations into a time domain signal, and generating an amplified signal for the MU transmission according to the power amplifier gain of the MU transmission and the time-domain signal.Type: ApplicationFiled: August 22, 2022Publication date: August 10, 2023Applicant: Realtek Semiconductor Corp.Inventors: Zh-Hong Xiao, Shau-Yu Cheng, Wen-Yung Lee, Chun-Kai Tseng, Jhe-Yi Lin
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Patent number: 11558134Abstract: The present invention discloses a wireless communication apparatus having memory sharing mechanism that includes a communication circuit, a memory circuit and a processing circuit. The processing circuit performs the steps outlined below. Remote wireless communication apparatuses are connected to perform channel detection and communication thereon by a communication circuit. Compressed channel state information (CSI) generated by the remote wireless communication apparatuses is received by the communication circuit. The compressed CSI is stored in the memory circuit. Raw CSI is generated according to a status of the wireless channel. When a remaining capacity of the memory circuit is not sufficient, a number of the remote wireless communication apparatuses that the communication circuit performs the channel detection thereon is decreased and the corresponding compressed CSI stored in the memory circuit is removed. The raw CSI is stored in the memory circuit.Type: GrantFiled: September 3, 2021Date of Patent: January 17, 2023Assignee: REALTEK SEMICONDUCTOR CORPORATIONInventors: Shau-Yu Cheng, Ting-Chen Wei, Jyun-Jhe Jheng, Chun-Kai Tseng
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Publication number: 20220361189Abstract: The present disclosure discloses a dynamic transmission bandwidth allocation method having dynamic transmission bandwidth allocation mechanism used in a wireless communication apparatus is provided that includes the steps outlined below. Interference information and transmission ability information of remote wireless communication apparatuses is retrieved. A predetermined transmission bandwidth range that includes resource units is set. The remote wireless communication apparatuses are allocated in the predetermined transmission bandwidth range to generate an allocation result. Whether the allocation result satisfies resource unit allocation criteria is determined. When the allocation result does not satisfy the resource unit allocation criteria, the predetermined transmission bandwidth range is shrunk to another allocatable transmission bandwidth range to determine whether the allocation result satisfies the resource unit allocation criteria.Type: ApplicationFiled: April 7, 2022Publication date: November 10, 2022Inventors: CHUN-KAI TSENG, SHAU-YU CHENG, WEN-YUNG LEE
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Publication number: 20220303045Abstract: A wireless communication method for optimizing uplink transmission from a communication partner to a wireless communication device includes the following steps: after receiving an uplink performance estimation, determining uplink adjustment information including resource unit allocation and a target received signal strength indicator according to the uplink performance estimation; generating a target channel quality indicator (CQI) according to previous uplink sounding information and the uplink adjustment information, wherein the previous uplink sounding information indicates the characteristics of the uplink transmission; determining uplink transmission setting including a modulation and coding scheme and dual carrier modulation according to the target CQI and the type of an error correction technique and transmitting a control signal to a communication partner according to the uplink transmission setting; and updating the uplink performance estimation according to a reception signal from the communicationType: ApplicationFiled: March 11, 2022Publication date: September 22, 2022Inventors: WEN-YUNG LEE, SHAU-YU CHENG, JHE-YI LIN, CHUN-KAI TSENG, WEI-HSUAN CHANG
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Publication number: 20220190942Abstract: The present invention discloses a wireless communication apparatus having memory sharing mechanism that includes a communication circuit, a memory circuit and a processing circuit. The processing circuit performs the steps outlined below. Remote wireless communication apparatuses are connected to perform channel detection and communication thereon by a communication circuit. Compressed channel state information (CSI) generated by the remote wireless communication apparatuses is received by the communication circuit. The compressed CSI is stored in the memory circuit. Raw CSI is generated according to a status of the wireless channel. When a remaining capacity of the memory circuit is not sufficient, a number of the remote wireless communication apparatuses that the communication circuit performs the channel detection thereon is decreased and the corresponding compressed CSI stored in the memory circuit is removed. The raw CSI is stored in the memory circuit.Type: ApplicationFiled: September 3, 2021Publication date: June 16, 2022Inventors: SHAU-YU CHENG, TING-CHEN WEI, JYUN-JHE JHENG, CHUN-KAI TSENG
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Publication number: 20210349754Abstract: A content channel generation device comprises a resource unit assignment circuit, for assigning scheduled station(s) as node(s) of a full binary tree according to a search algorithm; a node computing circuit, for determining first node connection information of the full binary tree, and to determine second node connection information of a smallest full binary tree according to a smallest binary tree algorithm and the first node connection information; a load balance circuit, for determining user field numbers corresponding to content channels according to a load balance function and the second node connection information; a user field generation circuit, for generating a traversal result of the smallest full binary tree according to a traversal algorithm and the second node connection information, and for generating user fields corresponding to the content channels according to the traversal result, to generate the content channels.Type: ApplicationFiled: March 25, 2021Publication date: November 11, 2021Inventors: Jhe-Yi Lin, Chun-Kai Tseng, Wen-Yung Lee, Shau-Yu Cheng
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Patent number: 10103790Abstract: A cooperative transmission system and a cooperative transmission method used in multiple access points in a wireless local network are provided. The cooperative transmission system includes a plurality of access points, a clustering controller and at least one cluster controller. Each of the access points serves at least one user device within a serving range of the access point. The clustering controller clusters the access points into a plurality of clusters according to locations of the access points and the serving range. The at least one cluster controller controls cooperative synchronous downlink transmissions among all the access points within a cluster governed by the cluster controller, and the clusters, when intersecting with one another, employ an interference suppression mechanism to eliminate interference generated by the user devices or neighboring access points located in different clusters.Type: GrantFiled: July 29, 2016Date of Patent: October 16, 2018Assignee: National Chiao Tung UniversityInventors: Sau-Hsuan Wu, Hsi-Lu Chao, Chun-Kai Tseng
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Publication number: 20170163315Abstract: A cooperative transmission system and a cooperative transmission method used in multiple access points in a wireless local network are provided. The cooperative transmission system includes a plurality of access points, a clustering controller and at least one cluster controller. Each of the access points serves at least one user device within a serving range of the access point. The clustering controller clusters the access points into a plurality of clusters according to locations of the access points and the serving range. The at least one cluster controller controls cooperative synchronous downlink transmissions among all the access points within a cluster governed by the cluster controller, and the clusters, when intersecting with one another, employ an interference suppression mechanism to eliminate interference generated by the user devices or neighboring access points located in different clusters.Type: ApplicationFiled: July 29, 2016Publication date: June 8, 2017Inventors: Sau-Hsuan Wu, Hsi-Lu Chao, Chun-Kai Tseng