Patents by Inventor Huiying Fang

Huiying Fang 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).

  • Patent number: 8649293
    Abstract: A control information transmission method and a control information receiving terminal are provided. The transmission method comprises: notifying a terminal of setting information of control information in a downlink subframe (S202); and transmitting the control information to the terminal in a preset subframe and other subframes determined according to the setting information (S204). By transmitting the control information on part of the 16m subframes and notifying the 16m terminal of the information of setting the control information, the present invention enables the 16m terminal to shut down the RF transmission at the location of a subframe where the control information is not included and no resource related to the terminal is assigned, and to enter the micro sleep mode, which reduces power consumption of the terminal.
    Type: Grant
    Filed: December 31, 2008
    Date of Patent: February 11, 2014
    Assignee: ZTE Corporation
    Inventors: Huiying Fang, Hongyun Qu
  • Patent number: 8520626
    Abstract: 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: Grant
    Filed: August 18, 2009
    Date of Patent: August 27, 2013
    Assignee: ZTE Corporation
    Inventors: Zhaohua Lu, Yanfeng Guan, Ying Liu, Huiying Fang
  • Patent number: 8520635
    Abstract: A method and a system for intra-BS carrier handover are provided. The method comprises: a mobile station scanning predetermined carriers within the base station based on predetermined rules; obtaining a scanning report comprising channel quality information of part of or all of the predetermined carriers; and sending the scanning report to the base station; the base station obtaining the channel quality information in the scanning report; selecting a target carrier from the predetermined carriers; and informing the mobile station of the selected target carrier via a message; and the mobile station handing over to the target carrier in a predetermined manner in response to the message. By using the method, seamless handover of intra-BS carriers can be performed in a multi-carrier system for ensuring the service continuity of the mobile station to eliminate carrier handover time delay.
    Type: Grant
    Filed: December 22, 2008
    Date of Patent: August 27, 2013
    Assignee: ZTE Corporation
    Inventors: Ruixia Zhang, Wenhuan Wang, Min Liu, Kaiying Lv, Nan Li, Huiying Fang
  • Publication number: 20130107871
    Abstract: A synchronization preamble transmission method, a synchronization method, a device and a system are disclosed in the disclosure. The method includes: transmitting synchronization preambles in a superframe, the synchronization preambles comprise one Primary Preamble (P-Preamble) and two Secondary-Preambles (S-Preambles), wherein the P-Preamble carries system bandwidth information and the S-Preambles carry cell/sector Identification (ID) information. The disclosure reaches the effect of reducing the overhead of Synchronization Channel (SCH) on the basis of ensuring the performance of synchronization access.
    Type: Application
    Filed: October 8, 2010
    Publication date: May 2, 2013
    Applicant: ZTE CORPORATION
    Inventors: Changyin Sun, Huiying Fang
  • Publication number: 20130028151
    Abstract: 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: Application
    Filed: November 1, 2010
    Publication date: January 31, 2013
    Applicant: ZTE CORPORATION
    Inventors: Ding Ning, Yanfeng Guan, Huiying Fang
  • Publication number: 20130010646
    Abstract: The disclosure discloses a method for managing network topology structure of a Machine to Machine (M2M) network. The method mainly includes: a control station of the M2M network obtains wireless link information of the M2M network; the control station completes establishment and/or adjustment of the network topology structure of the M2M network according to the obtained wireless link information. The disclosure also provides a device for managing network topology structure of an M2M network. By the disclosure, performing self-adaptive management on numerous terminals can be realized by the M2M network; by applying the disclosure to the wireless network management of the M2M network, manpower cost is saved and working efficiency is improved, and also it is of important significance to the smooth development of the telecom operation.
    Type: Application
    Filed: June 4, 2010
    Publication date: January 10, 2013
    Applicant: ZTE CORPORATION
    Inventors: Yang Liu, Nan Li, Yuqin Chen, Feng Xie, Lin Chen, Ling Xu, Huiying Fang
  • Patent number: 8325731
    Abstract: A method for establishing a call rapidly in a cluster communication system based on code division multiple access, comprising the following steps: a dispatching station server transmitting a normal group call request to a base station subsystem after receiving a normal group call request sent by a calling terminal; the each base station in a dispatching area allocating resource and establishing a forward-reverse traffic channel required by a normal group call service in the base station side after receiving the normal group call request; each sector of the base station in the dispatching area sending a broadcast channel assignment message in a form of broadcast message to the terminals in an idle state in the sector in a forward control channel; the terminals in the sector comparing a broadcast address with a group identification stored, if matching, the terminal establishing each service channel in the side of the terminal in the called state according to the broadcast channel assignment message received; if
    Type: Grant
    Filed: June 2, 2005
    Date of Patent: December 4, 2012
    Assignee: ZTE Corporation
    Inventors: Huiying Fang, Xuemin Liu, Jiaan Yang
  • Publication number: 20120270590
    Abstract: There are provided a method for indicating a CSG ID, a method for indicating a base station type and a method for obtaining CSG ID indication. The method for indicating the CSG ID includes: a base station notifying a terminal of whether the base station has a CSG ID. The present solution solves the problem of access delay in the related art resulted from that the terminal cannot obtain the specific base station type and whether the base station has a CSG ID, ensures the easy operation of the accessed base station information needing to be maintained by the terminal, and thus improves the quality of service of the whole system for the terminal.
    Type: Application
    Filed: July 3, 2012
    Publication date: October 25, 2012
    Inventors: Zhaohua LU, Feng Xie, Lin Chen, Kaiying Lv, Huiying Fang
  • Publication number: 20120263132
    Abstract: A method for encoding resource indexes in a wireless communication system, and a base station are provided in the present invention. The method comprises: a base station dividing L logical resource units into M resource allocation units, wherein M<=L, L<=N, and N is the number of physical resource units; and the base station transmitting indication information to a terminal, wherein the indication information indicates the resource allocation units that the base station assigns to the terminal from the M resource allocation units. The present invention achieves more flexible scheduling and allocation.
    Type: Application
    Filed: November 11, 2010
    Publication date: October 18, 2012
    Inventors: Yangfeng Guan, Xiangyu Liu, Huiying Fang, Ying Liu
  • Patent number: 8204025
    Abstract: A flexible OFDM/OFDMA frame structure technology for communication systems is disclosed. The OFDM frame structure technology comprises a configurable-length frame which contains a variable length subframe structure to effectively utilize OFDM bandwidth. Furthermore, the frame structure facilitates spectrum sharing between multiple communication systems.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: June 19, 2012
    Assignee: ZTE (USA) Inc.
    Inventors: Sean Cai, Jerry Chow, Hongyun Qu, Huiying Fang
  • Publication number: 20120140744
    Abstract: The present invention provides a method for downlink sub-frame allocation in an evolved WiMAX system, which comprises: setting a IEEE 802.16m frame start offset as a parameter of a deployment area range, and setting a starting location of a IEEE 802.16m frame by each IEEE 802.16m base station within a same deployment area range in the system according to the IEEE 802.16m frame start offset; always allocating a start sub-frame of the IEEE 802.16m frame by the IEEE 802.16m base station as a IEEE 802.16m downlink sub-frame, and sending a super frame header including a synchronization symbol at the starting location of a first frame of a super-frame; or sending a synchronization symbol at the starting location of a first frame of a super-frame and sending a super frame header in a start sub-frame of the first frame of the super-frame; and TDM is performed on the synchronization symbol and the super frame header in the first frame of the super-frame.
    Type: Application
    Filed: September 23, 2009
    Publication date: June 7, 2012
    Applicant: ZTE CORPORATION
    Inventors: Huiying Fang, Hongyun Qu
  • Patent number: 8194620
    Abstract: The present invention discloses a method for terminals to switch among the reverse traffic channels in CDMA group call service. During the establishing procedure of the standard group call service, the originating call terminal sets the long code mask for the reverse dedicated traffic channel, establishes the reverse dedicated traffic channel and obtains the talk right to become the speaking terminal; the called terminal sets the long code mask for the reverse shared traffic channel, establishes the reverse shared traffic channel and becomes the listening terminal. After the speaking terminal successfully releases the talk right, it resets the long code mask of the reverse traffic channel as the long code mask of the reverse shared traffic channel and switches to the reverse shared traffic channel to become the listening terminal.
    Type: Grant
    Filed: February 4, 2008
    Date of Patent: June 5, 2012
    Assignee: ZTE Corporation
    Inventor: Huiying Fang
  • Publication number: 20120110406
    Abstract: The present invention discloses a rate matching method and device. The method includes that: an information bit sequence is coded and interleaved to obtain a mother code codeword with a length NFB—Buffer; and bits are selected from the mother code codeword to generate a hybrid automatic repeat request (HARQ) subpacket for current transmission. By means of the present invention, the effect of covering the whole mother code area can be achieved as much as possible, and the performance of the HARQ multiple retransmission link can be enhanced.
    Type: Application
    Filed: November 16, 2009
    Publication date: May 3, 2012
    Applicant: ZTE CORPORATION
    Inventors: Zhili Sun, Jun Xu, Jin Xu, Zhifeng Yuan, Qianzi Xu, Xianwei Gong, Bo Sun, Huiying Fang
  • Publication number: 20120093115
    Abstract: 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: Application
    Filed: May 17, 2010
    Publication date: April 19, 2012
    Applicant: ZTE CORPORATION
    Inventors: Yanfeng Guan, Xiangyu Liu, Huiying Fang, Changyin Sun, Ying Liu
  • Patent number: 8159996
    Abstract: The present invention relates to a control method for re-access after the terminal in the trunking system exits the group call, which includes the following steps: it is to maintain one message number for every group call for updating and send the message number to the terminal when the call is established, and the terminal retains the message number after accessing the call; the terminal sets the exit symbol as “unable to passively access” when it exits the call normally, and as “able to passively access” when it exits the call abnormally; after the terminal has received periodically transmitted paging message in its idle state, it judges whether the exit symbol of the corresponding group is the type of “able to passively access”, if yes, it accesses the call and then the procedure end; if the exit symbol is “unable to passively access”, then the terminal judges whether the message number retained in the group is the same as the message number in the paging message, if not, it accesses the call, otherwise di
    Type: Grant
    Filed: November 25, 2005
    Date of Patent: April 17, 2012
    Assignee: ZTE Corporation
    Inventors: Xuemin Liu, Huiying Fang
  • Publication number: 20120044892
    Abstract: 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: Application
    Filed: December 24, 2009
    Publication date: February 23, 2012
    Applicant: ZTE CORPORATION
    Inventors: Yanfeng Guan, Wei Xia, Ying Liu, Ping Qiu, Huiying Fang
  • Publication number: 20120020435
    Abstract: The present invention provides a constellation mapping method, and the method includes: flipping a plurality of bits in each modulation symbol unit to be mapped in part of or all of modulation symbol units to be mapped of a bit sequence to be mapped; and mapping each flipped modulation symbol unit to be mapped as a modulation symbol in a constellation. By means of the present invention, the phenomenon that consecutive bits have the same reliability can be effectively avoided by changing unevenness of reliability distribution of the consecutive bits, and at the same time, the link performance can be improved.
    Type: Application
    Filed: July 3, 2009
    Publication date: January 26, 2012
    Applicant: ZTE CORPORATION
    Inventors: Jin Xu, Jun Xu, Zhifeng Yuan, Qianzi Xu, Xianwei Gong, Bo Sun, Huiying Fang
  • Publication number: 20110267996
    Abstract: A system information transmission method in a communication system includes that: a base station configures system information which includes resource mapping information; the base station transmits the resource mapping information through a broadcast control channel. By means of configuring and transmitting the system information, a terminal is able to obtain the resource configuration, mapping and/or allocation conditions of the base station.
    Type: Application
    Filed: September 17, 2009
    Publication date: November 3, 2011
    Applicant: ZTE Corporation
    Inventors: Yanfeng Guan, Xiangyu Liu, Ying Liu, Zhaohua Lu, Huiying Fang
  • Publication number: 20110235547
    Abstract: A control information transmission method and a control information receiving terminal are provided. The transmission method comprises: notifying a terminal of setting information of control information in a downlink subframe (S202); and transmitting the control information to the terminal in a preset subframe and other subframes determined according to the setting information (S204). By transmitting the control information on part of the 16m subframes and notifying the 16m terminal of the information of setting the control information, the present invention enables the 16m terminal to shut down the RF transmission at the location of a subframe where the control information is not included and no resource related to the terminal is assigned, and to enter the micro sleep mode, which reduces power consumption of the terminal.
    Type: Application
    Filed: December 31, 2008
    Publication date: September 29, 2011
    Applicant: ZTE CORPORATION
    Inventors: Huiying Fang, Hongyun Qu
  • Publication number: 20110223954
    Abstract: 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: Application
    Filed: November 17, 2009
    Publication date: September 15, 2011
    Applicant: ZTE CORPORATION
    Inventors: Yanfeng Guan, Xiangyu Liu, Ying Liu, Huiying Fang, Hongyun Qu