Patents by Inventor Zhihang Yi

Zhihang Yi 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: 10219273
    Abstract: Methods and devices are provided for communicating data in a wireless channel. In one example, a method includes adapting the transmission time interval (TTI) length of transport container for transmitting data in accordance with a criteria. The criteria may include (but is not limited to) a latency requirement of the data, a buffer size associated with the data, a mobility characteristic of a device that will receive the data. The TTI lengths may be manipulated for a variety of reasons, such as for reducing overhead, satisfy quality of service (QoS) requirements, maximize network throughput, etc. In some embodiments, TTIs having different TTI lengths may be carried in a common radio frame. In other embodiments, the wireless channel may partitioned into multiple bands each of which carrying (exclusively or otherwise) TTIs having a certain TTI length.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: February 26, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Kelvin Kar Kin Au, Jianglei Ma, Liqing Zhang, Zhihang Yi, Hosein Nikopour
  • Patent number: 10200915
    Abstract: A network for facilitating wireless radio communication. The network includes a first access area, wherein the access area includes one or more transmission/receive points. At least one transmission/receive point includes a base station that supports wireless communication between a network and user equipment (UE), such as, a mobile device. The network includes a dedicated connection signature (DCS) that is assigned to a UE. The DCS provides for and is used by the UE to maintain active, unified access to the wireless network. More particularly, the DCS provides for active, contention free, and fast access for the UE to the network through transmission/receive points within the first access area, which is of significance to present and future UE centric virtual radio access networks having high densities of mobile and non-mobile users and with high populations of different types of traffic patterns and applications.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: February 5, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Liqing Zhang, Jianglei Ma, Kelvin Kar Kin Au, Zhihang Yi
  • Patent number: 10193671
    Abstract: A method for operating a first device includes determining a spreading pattern associated with the first device, placing a pilot signal associated with the first device into resources of a first transmission symbol in accordance with the spreading pattern, and transmitting the first transmission symbol to a second device.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: January 29, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhihang Yi, Hosein Nikopour, Mohammadhadi Baligh
  • Patent number: 10136433
    Abstract: Methods and devices are provided for communicating data in a wireless channel. In one example, a method includes adapting the transmission time interval (TTI) length of transport container for transmitting data in accordance with a criteria. The criteria may include (but is not limited to) a latency requirement of the data, a buffer size associated with the data, a mobility characteristic of a device that will receive the data. The TTI lengths may be manipulated for a variety of reasons; such as for reducing overhead, satisfy quality of service (QoS) requirements, maximize network throughput, etc. In some embodiments, TTIs having different TTI lengths may be carried in a common radio frame. In other embodiments, the wireless channel may partitioned into multiple bands each of which carrying (exclusively or otherwise) TTIs having a certain TTI length.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: November 20, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Kelvin Kar Kin Au, Jianglei Ma, Liqing Zhang, Zhihang Yi, Hosein Nikopour
  • Publication number: 20180249464
    Abstract: Methods and devices are provided for communicating data in a wireless channel. In one example, a method includes adapting the transmission time interval (TTI) length of transport container for transmitting data in accordance with a criteria. The criteria may include (but is not limited to) a latency requirement of the data, a buffer size associated with the data, a mobility characteristic of a device that will receive the data. The TTI lengths may be manipulated for a variety of reasons; such as for reducing overhead, satisfy quality of service (QoS) requirements, maximize network throughput, etc. In some embodiments, TTIs having different TTI lengths may be carried in a common radio frame. In other embodiments, the wireless channel may partitioned into multiple bands each of which carrying (exclusively or otherwise) TTIs having a certain TTI length.
    Type: Application
    Filed: April 25, 2018
    Publication date: August 30, 2018
    Inventors: Kelvin Kar Kin Au, Jianglei Ma, Liqing Zhang, Zhihang Yi, Hosein Nikopour
  • Publication number: 20180249490
    Abstract: A method embodiment includes implementing, by a base station (BS), a grant-free uplink transmission scheme. The grant-free uplink transmission scheme defines a first contention transmission unit (CTU) access region in a time-frequency domain, defines a plurality of CTUs, defines a default CTU mapping scheme by mapping at least some of the plurality of CTUs to the first CTU access region, and defines a default user equipment (UE) mapping scheme by defining rules for mapping a plurality of UEs to the plurality of CTUs.
    Type: Application
    Filed: April 27, 2018
    Publication date: August 30, 2018
    Inventors: Kelvin Kar Kin Au, Hosein Nikopour, Petar Djukic, Zhihang Yi, Alireza Bayesteh, Jianglei Ma, Mohammadhadi Baligh, Liqing Zhang
  • Publication number: 20180249491
    Abstract: A method embodiment includes implementing, by a base station (BS), a grant-free uplink transmission scheme. The grant-free uplink transmission scheme defines a first contention transmission unit (CTU) access region in a time-frequency domain, defines a plurality of CTUs, defines a default CTU mapping scheme by mapping at least some of the plurality of CTUs to the first CTU access region, and defines a default user equipment (UE) mapping scheme by defining rules for mapping a plurality of UEs to the plurality of CTUs.
    Type: Application
    Filed: April 27, 2018
    Publication date: August 30, 2018
    Inventors: Kelvin Kar Kin Au, Hosein Nikopour, Petar Djukic, Zhihang Yi, Alireza Bayesteh, Jianglei Ma, Mohammadhadi Baligh, Liqing Zhang
  • Publication number: 20180249488
    Abstract: A method embodiment includes implementing, by a base station (BS), a grant-free uplink transmission scheme. The grant-free uplink transmission scheme defines a first contention transmission unit (CTU) access region in a time-frequency domain, defines a plurality of CTUs, defines a default CTU mapping scheme by mapping at least some of the plurality of CTUs to the first CTU access region, and defines a default user equipment (UE) mapping scheme by defining rules for mapping a plurality of UEs to the plurality of CTUs.
    Type: Application
    Filed: April 27, 2018
    Publication date: August 30, 2018
    Inventors: Kelvin Kar Kin Au, Hosein Nikopour, Petar Djukic, Zhihang Yi, Alireza Bayesteh, Jianglei Ma, Mohammadhadi Baligh, Liqing Zhang
  • Publication number: 20180249489
    Abstract: A method embodiment includes implementing, by a base station (BS), a grant-free uplink transmission scheme. The grant-free uplink transmission scheme defines a first contention transmission unit (CTU) access region in a time-frequency domain, defines a plurality of CTUs, defines a default CTU mapping scheme by mapping at least some of the plurality of CTUs to the first CTU access region, and defines a default user equipment (UE) mapping scheme by defining rules for mapping a plurality of UEs to the plurality of CTUs.
    Type: Application
    Filed: April 27, 2018
    Publication date: August 30, 2018
    Inventors: Kelvin Kar Kin Au, Hosein Nikopour, Petar Djukic, Zhihang Yi, Alireza Bayesteh, Jianglei Ma, Mohammadhadi Baligh, Liqing Zhang
  • Publication number: 20180249465
    Abstract: Methods and devices are provided for communicating data in a wireless channel. In one example, a method includes adapting the transmission time interval (TTI) length of transport container for transmitting data in accordance with a criteria. The criteria may include (but is not limited to) a latency requirement of the data, a buffer size associated with the data, a mobility characteristic of a device that will receive the data. The TTI lengths may be manipulated for a variety of reasons, such as for reducing overhead, satisfy quality of service (QoS) requirements, maximize network throughput, etc. In some embodiments, TTIs having different TTI lengths may be carried in a common radio frame. In other embodiments, the wireless channel may partitioned into multiple bands each of which carrying (exclusively or otherwise) TTIs having a certain TTI length.
    Type: Application
    Filed: April 25, 2018
    Publication date: August 30, 2018
    Inventors: Kelvin Kar Kin Au, Jianglei Ma, Liqing Zhang, Zhihang Yi, Hosein Nikopour
  • Patent number: 10028302
    Abstract: A method embodiment includes implementing, by a base station (BS), a grant-free uplink transmission scheme. The grant-free uplink transmission scheme defines a first contention transmission unit (CTU) access region in a time-frequency domain, defines a plurality of CTUs, defines a default CTU mapping scheme by mapping at least some of the plurality of CTUs to the first CTU access region, and defines a default user equipment (UE) mapping scheme by defining rules for mapping a plurality of UEs to the plurality of CTUs.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: July 17, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Kelvin Kar Kin Au, Hosein Nikopour, Petar Djukic, Zhihang Yi, Alireza Bayesteh, Jianglei Ma, Mohammadhadi Baligh, Liqing Zhang
  • Patent number: 9930574
    Abstract: A method for operating a transmission point in a communications system includes receiving wideband feedback information at a first report rate, and receiving subband feedback information at a second report rate, wherein the first report rate is less than the second report rate. The method also includes performing dynamic rate selection for resource block groups (RBGs) of the communications system in accordance with the wideband feedback information and the subband feedback information.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: March 27, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Hosein Nikopour, Zhihang Yi, Alireza Bayesteh
  • Publication number: 20170317799
    Abstract: Disclosed herein are an active resource unit detector and a method of use thereof. An embodiment method of detecting active resource units among a plurality of potential resource units includes receiving an aggregate signal containing active pilots transmitted over the active resource units via random access transmissions. The active pilots are then detected and respectively associated with the active resource units according to a pilot-to-resource unit mapping.
    Type: Application
    Filed: July 20, 2017
    Publication date: November 2, 2017
    Inventors: Zhihang Yi, Hosein Nikopour, Alireza Bayesteh
  • Publication number: 20170318582
    Abstract: Methods and devices are provided for communicating data in a wireless channel. In one example, a method includes adapting the transmission time interval (TTI) length of transport container for transmitting data in accordance with a criteria. The criteria may include (but is not limited to) a latency requirement of the data, a buffer size associated with the data, a mobility characteristic of a device that will receive the data. The TTI lengths may be manipulated for a variety of reasons, such as for reducing overhead, satisfy quality of service (QoS) requirements, maximize network throughput, etc. In some embodiments, TTIs having different TTI lengths may be carried in a common radio frame. In other embodiments, the wireless channel may partitioned into multiple bands each of which carrying (exclusively or otherwise) TTIs having a certain TTI length.
    Type: Application
    Filed: July 12, 2017
    Publication date: November 2, 2017
    Inventors: Kelvin Kar Kin Au, Jianglei Ma, Liqing Zhang, Zhihang Yi, Hosein Nikopour
  • Patent number: 9743403
    Abstract: Methods and devices are provided for communicating data in a wireless channel. In one example, a method includes adapting the transmission time interval (TTI) length of transport container for transmitting data in accordance with a criteria. The criteria may include (but is not limited to) a latency requirement of the data, a buffer size associated with the data, a mobility characteristic of a device that will receive the data. The TTI lengths may be manipulated for a variety of reasons, such as for reducing overhead, satisfy quality of service (QoS) requirements, maximize network throughput, etc. In some embodiments, TTIs having different TTI lengths may be carried in a common radio frame. In other embodiments, the wireless channel may partitioned into multiple bands each of which carrying (exclusively or otherwise) TTIs having a certain TTI length.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: August 22, 2017
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Kelvin Kar Kin Au, Jianglei Ma, Liqing Zhang, Zhihang Yi, Hosein Nikopour
  • Patent number: 9735931
    Abstract: Disclosed herein are an active resource unit detector and a method of use thereof. An embodiment method of detecting active resource units among a plurality of potential resource units includes receiving an aggregate signal containing active pilots transmitted over the active resource units via random access transmissions. The active pilots are then detected and respectively associated with the active resource units according to a pilot-to-resource unit mapping.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: August 15, 2017
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhihang Yi, Hosein Nikopour, Alireza Bayesteh
  • Publication number: 20170215110
    Abstract: A network for facilitating wireless radio communication. The network includes a first access area, wherein the access area includes one or more transmission/receive points. At least one transmission/receive point includes a base station that supports wireless communication between a network and user equipment (UE), such as, a mobile device. The network includes a dedicated connection signature (DCS) that is assigned to a UE. The DCS provides for and is used by the UE to maintain active, unified access to the wireless network. More particularly, the DCS provides for active, contention free, and fast access for the UE to the network through transmission/receive points within the first access area, which is of significance to present and future UE centric virtual radio access networks having high densities of mobile and non-mobile users and with high populations of different types of traffic patterns and applications.
    Type: Application
    Filed: April 6, 2017
    Publication date: July 27, 2017
    Inventors: Liqing Zhang, Jianglei Ma, Kelvin Kar Kin Au, Zhihang Yi
  • Publication number: 20170214509
    Abstract: Embodiments are provided herein for increasing low density signature space for multiplexed transmissions for a plurality of users. The embodiments include generating a virtual signature using a combination operation on a plurality of basic signatures. The generated virtual signatures are provisioned as basic resource units (BRUs) for transmissions for corresponding users. The combination operation is a row-wise or column-wise permutation for combining, in each of the virtual signatures, rows or columns of corresponding basic signatures. The rows or columns represent sequences of frequency bands at one time interval or sequences of allocated time intervals at one frequency band. Alternatively, the combination operation is intra-basic resource unit (BRU) hopping. The embodiments also include generating a plurality of BRU sets comprised of virtual signatures. Each of the BRU sets is provisioned for a corresponding user.
    Type: Application
    Filed: April 7, 2017
    Publication date: July 27, 2017
    Inventors: Alireza Bayesteh, Jianglei Ma, Hosein Nikopour, Zhihang Yi
  • Patent number: 9648558
    Abstract: A network for facilitating wireless radio communication. The network includes a first access area, wherein the access area includes one or more transmission/receive points. At least one transmission/receive point includes a base station that supports wireless communication between a network and user equipment (UE), such as, a mobile device. The network includes a dedicated connection signature (DCS) that is assigned to a UE. The DCS provides for and is used by the UE to maintain active, unified access to the wireless network. More particularly, the DCS provides for active, contention free, and fast access for the UE to the network through transmission/receive points within the first access area, which is of significance to present and future UE centric virtual radio access networks having high densities of mobile and non-mobile users and with high populations of different types of traffic patterns and applications.
    Type: Grant
    Filed: September 10, 2012
    Date of Patent: May 9, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Liqing Zhang, Jianglei Ma, Kelvin Au, Zhihang Yi
  • Patent number: 9641303
    Abstract: Embodiments are provided herein for increasing low density signature space for multiplexed transmissions for a plurality of users. The embodiments include generating a virtual signature using a combination operation on a plurality of basic signatures. The generated virtual signatures are provisioned as basic resource units (BRUs) for transmissions for corresponding users. The combination operation is a row-wise or column-wise permutation for combining, in each of the virtual signatures, rows or columns of corresponding basic signatures. The rows or columns represent sequences of frequency bands at one time interval or sequences of allocated time intervals at one frequency band. Alternatively, the combination operation is intra-basic resource unit (BRU) hopping. The embodiments also include generating a plurality of BRU sets comprised of virtual signatures. Each of the BRU sets is provisioned for a corresponding user.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: May 2, 2017
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Alireza Bayesteh, Jianglei Ma, Hosein Nikopour, Zhihang Yi