Patents by Inventor Yanfeng Guan
Yanfeng Guan 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: 9560634Abstract: The present invention discloses a group resource allocation method, which comprises the following steps that: a user resource management device groups user-side equipments according to the service type or the modulation and coding scheme of the user-side equipments; and the user resource management device performs an initialization description and/or an update and maintenance description for each group via a group message, describes the resource allocation information of the user-side equipments in each group via the group message to realize a group resource allocation. Through the technical solution above, the present invention lowers the description overhead of a group resource allocation.Type: GrantFiled: April 25, 2014Date of Patent: January 31, 2017Assignee: ZTE CorporationInventors: Wei Xia, Yanfeng Guan, Zhaohua Lu, Dengkui Zhu, Ying Liu, Ding Ning
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Patent number: 9451301Abstract: A method for mapping resources of broadcast control channel is disclosed. Available subcarriers of a subframe in which the broadcast control channel is located are divided into three subcarrier sets, each of which is mapped to be one frequency partition, so that the subframe in which the broadcast control channel is located includes N frequency partitions, and resources of each frequency partition are mapped to be logical resource units, wherein N can be 1 or 3. With this method, subcarrier sets of the broadcast control channel are divided, and the resources of the broadcast control channel are mapped.Type: GrantFiled: May 17, 2010Date of Patent: September 20, 2016Assignee: ZTE CORPORATIONInventors: Yanfeng Guan, Xiangyu Liu, Huiying Fang, Changyin Sun, Ying Liu
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Patent number: 9425928Abstract: Provided are a data transmission method and device. The method includes: determining, by means of a frequency hopping manner according to a TTI Bundling parameter, a frequency domain position of a physical resource block in a slot for sending a TTI Bundling, wherein a frequency hopping variable i of the frequency hopping manner is determined according to the TTI Bundling parameter by means of one of or a combination of predetermined approaches, where mod is a modulus operation, floor is rounded down operation, ns is a sequence number of the time slot; transmitting data on a time frequency resource corresponding to the frequency domain position of the physical resource block in the slot of the TTI bundling. According to the solution, the coverage area of the TTI bundling data transmission is improved.Type: GrantFiled: June 19, 2013Date of Patent: August 23, 2016Assignee: ZTE CORPORATIONInventors: Yanfeng Guan, Xianming Chen, Wei Luo, Yifei Yuan, Zhisong Zuo
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Patent number: 9191825Abstract: A method and system for configuring physical resource and signal transmission when communication systems coexist are provided. The method includes: configuring physical resources of the Wimax 16e frame according to LTE frame configuration information by following modes: configuring the number of downlink symbols in the Wimax 16e frame and shift time of the Wimax 16e frame relative to the half frame of the LTE frame according to the condition that the downlink region of the Wimax 16e frame is included in the downlink region of the LTE frame in time domain; and configuring the number of uplink symbols and time length of Transmission/Receive Transition Gap (TTG) in the Wimax 16e frame according to the condition that the uplink region of the Wimax 16e frame is included in the uplink region of the LTE frame in time domain; wherein, the uplink and downlink handover period of LTE frame is 5 ms.Type: GrantFiled: November 1, 2010Date of Patent: November 17, 2015Assignee: ZTE CorporationInventors: Ding Ning, Yanfeng Guan, Huiying Fang
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Coordinating method and device for multi-input multi-output precoding of downlink multi-base station
Patent number: 9077404Abstract: The disclosure discloses a method for coordinating downlink MIMO precoding among multiple BSs, including that: each BS first performs independent resource allocation to allocate resources to users of each BS, then receives PMI information fed back by a time-frequency resource block occupying MS in a respective cell, wherein the PMI information includes optimal and recommended or restrained PMIs corresponding to an MS; adjacent BSs perform information interaction with each other to acquire PMI information of MSs occupying the same time-frequency resource block in adjacent cells; and it is determined whether there is any conflict between MSs occupying the same time-frequency resource block in adjacent cells according to PMI information fed back by an MS in the current cell and interaction information from adjacent BSs, and a new PM is generated in a corresponding manner. The disclosure also discloses a device for implementing the method.Type: GrantFiled: June 21, 2011Date of Patent: July 7, 2015Assignee: ZTE CORPORATIONInventors: Xiaoshan Jia, Dengkui Zhu, Yanfeng Guan, Dihao Ning, Zhaohua Lu, Huahua Xiao, Xiaoxiao Jiao -
Publication number: 20150180621Abstract: Provided are a data transmission method and device. The method includes: determining, by means of a frequency hopping manner according to a TTI Bundling parameter, a frequency domain position of a physical resource block in a slot for sending a TTI Bundling, wherein a frequency hopping variable i of the frequency hopping manner is determined according to the TTI Bundling parameter by means of one of or a combination of predetermined approaches, where mod is a modulus operation, floor is rounded down operation, ns is a sequence number of the time slot; transmitting data on a time frequency resource corresponding to the frequency domain position of the physical resource block in the slot of the TTI bundling. According to the solution, the coverage area of the TTI bundling data transmission is improved.Type: ApplicationFiled: June 19, 2013Publication date: June 25, 2015Applicant: ZTE CORPORATIONInventors: Yanfeng Guan, Xianming Chen, Wei Luo, Yifei Yuan, Zhisong Zuo
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Patent number: 8848682Abstract: A method for sub-channelization and resource mapping of wireless resources is provided. The method includes: according to bandwidth features or scheduling features supported by a wireless communication system, determining processes of sub-channelization and resource mapping of wireless resources or parameters of the processes. Therefore, the processes of sub-channelization and resource mapping of wireless resources or the parameters of the processes are different when the bandwidth features or scheduling features are different.Type: GrantFiled: July 24, 2009Date of Patent: September 30, 2014Assignee: ZTE CorporationInventors: Yanfeng Guan, Ying Liu, Hongyun Qu, Kaiying Lv, Rui Kang
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Patent number: 8818436Abstract: A resource mapping method is provided, in which a wireless communication system maps subcarriers to resource units through external permutation and internal permutation, the external permutation comprises: performing the first permutation on n physical resource units in every N1 physical resource units, orderly selecting n1×N1 physical resource units from the n physical resource units obtained from the first permutation, and then performing the second permutation on the remaining n?n1×N1 physical resource units in every N2 physical resource units, wherein n, N1, and N2 are all integers greater than or equal to 1, and N1 is not equal to N2, and n1 is an integer greater than or equal to 0. Frequency selectivity gain and frequency diversity gain may be achieved through the present invention by enabling a base station to select a proper resource scheduling granularity and resource unit types, thereby improving the spectrum efficiency of the future wireless communication system.Type: GrantFiled: November 17, 2009Date of Patent: August 26, 2014Assignee: ZTE CorporationInventors: Yanfeng Guan, Xiangyu Liu, Ying Liu, Huiying Fang, Hongyun Qu
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Publication number: 20140226599Abstract: The present invention discloses a group resource allocation method, which comprises the following steps that: a user resource management device groups user-side equipments according to the service type or the modulation and coding scheme of the user-side equipments; and the user resource management device performs an initialization description and/or an update and maintenance description for each group via a group message, describes the resource allocation information of the user-side equipments in each group via the group message to realize a group resource allocation. Through the technical solution above, the present invention lowers the description overhead of a group resource allocation.Type: ApplicationFiled: April 25, 2014Publication date: August 14, 2014Inventors: Wei Xia, Yanfeng Guan, Zhaohua Lu, Dengkui Zhu, Ying Liu, Ding Ning
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Patent number: 8792435Abstract: The present invention discloses a group resource allocation method, which comprises the following steps that: a user resource management device groups user-side equipments according to the service type or the modulation and coding scheme of the user-side equipments; and the user resource management device performs an initialization description and/or an update and maintenance description for each group via a group message, describes the resource allocation information of the user-side equipments in each group via the group message to realize a group resource allocation. Through the technical solution above, the present invention lowers the description overhead of a group resource allocation.Type: GrantFiled: November 17, 2009Date of Patent: July 29, 2014Assignee: ZTE CorporationInventors: Wei Xia, Yanfeng Guan, Zhaohua Lu, Dengkui Zhu, Ying Liu, Ding Ning
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Patent number: 8699478Abstract: A pilot frequency transmitting method comprises: in a downlink frame, a base station transmitting a MIMO midamble on the jth symbol of the ith downlink subframe; wherein i is a natural number which is less than or equal to the maximum number of downlink subframes included in the downlink frame, and j is a natural number which is less than or equal to the maximum number of symbols included in the downlink subframe. Accordingly, the present invention also provides a pilot frequency transmitting method and a base station for transmitting a MIMO midamble. The present invention can obtain a better effect for channel measurement by selecting an appropriate transmitting opportunity and/or manner of the MIMO midamble.Type: GrantFiled: May 7, 2010Date of Patent: April 15, 2014Assignee: ZTE CorporationInventors: Ting Liang, Dengkui Zhu, Zirong Li, Zhaohua Lu, Yanfeng Guan, Ying Liu
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Coordinating method and device for multi-input multi-output precoding of downlink multi-base station
Publication number: 20130235842Abstract: The disclosure discloses a method for coordinating downlink MIMO precoding among multiple BSs, including that: each BS first performs independent resource allocation to allocate resources to users of each BS, then receives PMI information fed back by a time-frequency resource block occupying MS in a respective cell, wherein the PMI information includes optimal and recommended or restrained PMIs corresponding to an MS; adjacent BSs perform information interaction with each other to acquire PMI information of MSs occupying the same time-frequency resource block in adjacent cells; and it is determined whether there is any conflict between MSs occupying the same time-frequency resource block in adjacent cells according to PMI information fed back by an MS in the current cell and interaction information from adjacent BSs, and a new PM is generated in a corresponding manner. The disclosure also discloses a device for implementing the method.Type: ApplicationFiled: June 21, 2011Publication date: September 12, 2013Applicant: ZTE CORPORATIONInventors: Xiaoshan Jia, Dengkui Zhu, Yanfeng Guan, Dihao Ning, Zhaohua Lu, Huahua Xiao, Xiaoxiao Jiao -
Patent number: 8520626Abstract: A method for transmitting non-user-specific control information in a wireless communication system includes: in a downlink time period which includes one or more time zones, a base station sends non-user-specific control information in a time zone in which user specific control information is sent; and a terminal obtains and decodes the non-user-specific control information, then obtains information needed to decode user specific control information according to the obtained non-user-specific control information.Type: GrantFiled: August 18, 2009Date of Patent: August 27, 2013Assignee: ZTE CorporationInventors: Zhaohua Lu, Yanfeng Guan, Ying Liu, Huiying Fang
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Publication number: 20130028151Abstract: A method and system for configuring physical resource and signal transmission when communication systems coexist are provided. The method includes: configuring physical resources of the Wimax 16e frame according to LTE frame configuration information by following modes: configuring the number of downlink symbols in the Wimax 16e frame and shift time of the Wimax 16e frame relative to the half frame of the LTE frame according to the condition that the downlink region of the Wimax 16e frame is included in the downlink region of the LTE frame in time domain; and configuring the number of uplink symbols and time length of Transmission/Receive Transition Gap (TTG) in the Wimax 16e frame according to the condition that the uplink region of the Wimax 16e frame is included in the uplink region of the LTE frame in time domain; wherein, the uplink and downlink handover period of LTE frame is 5 ms.Type: ApplicationFiled: November 1, 2010Publication date: January 31, 2013Applicant: ZTE CORPORATIONInventors: Ding Ning, Yanfeng Guan, Huiying Fang
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Publication number: 20120093115Abstract: A method for mapping resources of broadcast control channel is disclosed. Available subcarriers of a subframe in which the broadcast control channel is located are divided into three subcarrier sets, each of which is mapped to be one frequency partition, so that the subframe in which the broadcast control channel is located includes N frequency partitions, and resources of each frequency partition are mapped to be logical resource units, wherein N can be 1 or 3. With this method, subcarrier sets of the broadcast control channel are divided, and the resources of the broadcast control channel are mapped.Type: ApplicationFiled: May 17, 2010Publication date: April 19, 2012Applicant: ZTE CORPORATIONInventors: Yanfeng Guan, Xiangyu Liu, Huiying Fang, Changyin Sun, Ying Liu
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Publication number: 20120051331Abstract: A pilot frequency transmitting method comprises: in a downlink frame, a base station transmitting a MIMO midamble on the jth symbol of the ith downlink subframe; wherein i is a natural number which is less than or equal to the maximum number of downlink subframes included in the downlink frame, and j is a natural number which is less than or equal to the maximum number of symbols included in the downlink subframe. Accordingly, the present invention also provides a pilot frequency transmitting method and a base station for transmitting a MIMO midamble. The present invention can obtain a better effect for channel measurement by selecting an appropriate transmitting opportunity and/or manner of the MIMO midamble.Type: ApplicationFiled: May 7, 2010Publication date: March 1, 2012Applicant: ZTE CorporationInventors: Ting Liang, Dengkui Zhu, Zirong Li, Zhaohua Lu, Yanfeng Guan, Ying Liu
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Publication number: 20120051305Abstract: The present invention discloses a method for retransmitting hybrid automatic based on persistent scheduling. The method includes: a base station sending retransmission attribute information of a persistent scheduling service to a terminal by a control signaling. An HARQ mechanism under a persistent scheduling mode is perfected by defining a retransmission region of the persistent scheduling service, and retransmission data packets are centralized to be transmitted in the retransmission region at a synchronization time, which, compared with the prior art, saves the overhead of resource indication information indicating each retransmission packet.Type: ApplicationFiled: October 19, 2009Publication date: March 1, 2012Applicant: ZTE CORPORATIONInventors: Junhu Wang, Wenhuan Wang, Bo Sun, Yanfeng Guan, Li Wang
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Publication number: 20120044892Abstract: A processing method for group resource allocation comprises that: a base station establishes groups according to modulation and coding schemes and/or resource sizes (202), the modulation and coding schemes and/or resource sizes supported by the groups are static or quasi-static (204). With the present invention, the groups can be established based on modulation and coding schemes and/or resource sizes, and the modulation and coding schemes and/or resource sizes of the groups can be changed, compared with the prior art, the complexity of the group resource allocation method in the wireless communication system and the control overhead can be reduced, and the transmission bandwidth utilization of the wireless communication system can be improved.Type: ApplicationFiled: December 24, 2009Publication date: February 23, 2012Applicant: ZTE CORPORATIONInventors: Yanfeng Guan, Wei Xia, Ying Liu, Ping Qiu, Huiying Fang
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Publication number: 20110274070Abstract: The present invention discloses a group resource allocation method, which comprises the following steps that: a user resource management device groups user-side equipments according to the service type or the modulation and coding scheme of the user-side equipments; and the user resource management device performs an initialization description and/or an update and maintenance description for each group via a group message, describes the resource allocation information of the user-side equipments in each group via the group message to realize a group resource allocation. Through the technical solution above, the present invention lowers the description overhead of a group resource allocation.Type: ApplicationFiled: November 17, 2009Publication date: November 10, 2011Applicant: ZTE CORPORATIONInventors: Wei Xia, Yanfeng Guan, Zhaohua Lu, Dengkui Zhu, Ying Liu, Ding Ning
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Publication number: 20110268070Abstract: The present invention provides resource mapping methods for control channels, wherein a method includes: a broadcast control channel is positioned in a frequency partition which includes one or a plurality of distributed resource units; and the start position of the broadcast control channel is arranged to be in the first distributed resource unit of the frequency partition. The technical solutions of the present invention solve the problems of the resource locations which are occupied by the control channels and the manner thereof, improve the performance of the control channels, enable the control channels to meet various requirements in the related technologies, such as a low bit error rate, resource mapping and interference suppression in the OFDMA system and the like, and ensure the spectrum efficiency of the wireless communication system based on the OFDMA technology.Type: ApplicationFiled: October 21, 2009Publication date: November 3, 2011Applicant: ZTE CORPORATIONInventors: Yanfeng Guan, XiangYu Liu, Ying Liu