公开(公告)号：US20190089584A1

公开(公告)日：2019-03-21

申请号：US16107181

申请日：2018-08-21

申请人： TOUFIQUL ISLAM ,  YU CAO ,  JIANGLEI MA ,  HUA XU ,  AMINE MAAREF ,  LIQING ZHANG ,  KELVIN KAR KIN AU

发明人： TOUFIQUL ISLAM ,  YU CAO ,  JIANGLEI MA ,  HUA XU ,  AMINE MAAREF ,  LIQING ZHANG ,  KELVIN KAR KIN AU

IPC分类号： H04L12/24 ,  H04W72/04

CPC分类号： H04L41/0803 ,  H04W72/042 ,  H04W72/0446 ,  H04W88/08

摘要： Systems and methods are provided that facilitate multiple switching points within a slot. A slot format indication is conveyed to a user equipment which indicates which symbols within a slot are uplink, downlink or unknown. Some formats feature half-slot switching meaning that a switch from uplink to downlink transmission takes place twice within a slot. Switching on a more frequent basis can deliver improved latency.

公开(公告)号：US20190089583A1

公开(公告)日：2019-03-21

申请号：US15983890

申请日：2018-05-18

申请人： TOUFIQUL ISLAM ,  YU CAO ,  JIANGLEI MA ,  HUA XU ,  AMINE MAAREF ,  LIQING ZHANG ,  KELVIN KAR KIN AU

发明人： TOUFIQUL ISLAM ,  YU CAO ,  JIANGLEI MA ,  HUA XU ,  AMINE MAAREF ,  LIQING ZHANG ,  KELVIN KAR KIN AU

IPC分类号： H04L12/24 ,  H04W72/04

摘要： Systems and methods are provided that facilitate multiple switching points within a slot. A slot format indication is conveyed to a user equipment which indicates which symbols within a slot are uplink, downlink or unknown. Some formats feature half-slot switching meaning that a switch from uplink to downlink transmission takes place twice within a slot. Switching on a more frequent basis can deliver improved latency.

公开(公告)号：US20180048435A1

公开(公告)日：2018-02-15

申请号：US15637842

申请日：2017-06-29

申请人： TOUFIQUL ISLAM ,  KELVIN KAR KIN AU ,  JIANGLEI MA ,  LIQING ZHANG

发明人： TOUFIQUL ISLAM ,  KELVIN KAR KIN AU ,  JIANGLEI MA ,  LIQING ZHANG

IPC分类号： H04L5/00 ,  H04W72/04 ,  H04W72/12 ,  H04W72/00

摘要： Systems and method for defining sub-bands are provided. Each sub-band has a respective sub-carrier spacing, and at least one sub-band portion. Each sub-band portion has a channelization configuration including a resource block size configuration and a sub-band portion bandwidth. The sub-bands are allocated based on a sub-band configuration framework that includes a preconfigured set of possible sub-carrier spacings, a preconfigured set of possible resource block sizes, and a preconfigured set of possible sub-band portion bandwidths. In some embodiments, to improve bandwidth utilization, the channelization configuration for a given sub-band configures a plurality of resource blocks having a first number of sub-carriers and an additional resource block having a number of sub-carriers other than the first number. A bandwidth portion may include two bandwidth portions having different channelizations with differing numbers of sub-carriers per resource block such that more useful sub-carriers are used than would be possible if only resource blocks having a largest of the differing numbers of sub-carriers were used.

公开(公告)号：US20170156140A1

公开(公告)日：2017-06-01

申请号：US14952983

申请日：2015-11-26

申请人： TOUFIQUL ISLAM ,  KELVIN KAR KIN AU ,  JIANGLEI MA ,  LIQING ZHANG

发明人： TOUFIQUL ISLAM ,  KELVIN KAR KIN AU ,  JIANGLEI MA ,  LIQING ZHANG

IPC分类号： H04W72/04 ,  H04L27/26

CPC分类号： H04W72/0446 ,  H04L5/0007 ,  H04L5/0039 ,  H04L5/0044 ,  H04L5/0064 ,  H04L5/0091 ,  H04L27/2601

摘要： Systems and methods for transmitting and receiving resource blocks using OFDM-based signals are provided. The OFDM-based signal has a number of sub-bands, and employs a respective numerology in each sub-band. Each numerology has a respective subcarrier spacing and OFDM symbol duration. For a given receiver, content is mapped to resource blocks within an assigned one of the sub-bands, using the sub-carrier spacing of the sub-band.

公开(公告)号：US20170318598A1

公开(公告)日：2017-11-02

申请号：US15142638

申请日：2016-04-29

申请人： TOUFIQUL ISLAM ,  KELVIN KAR KIN AU ,  JIANGLEI MA

发明人： TOUFIQUL ISLAM ,  KELVIN KAR KIN AU ,  JIANGLEI MA

IPC分类号： H04W72/12 ,  H04W72/04

CPC分类号： H04W72/1215 ,  H04W72/04 ,  H04W72/1268 ,  H04W74/04 ,  H04W74/08

摘要： Systems and methods of scheduling grant-based traffic and mapping resources for grant-free traffic are provided. Grant-based traffic is scheduled in a first frequency partition, and grant-free traffic is mapped in a second frequency partition. In a first option, grant-based traffic is also scheduled in part of the first partition, but in a limited manner that ensures a given device's transmission and retransmissions do not all experience interference with the grant-based traffic. In another option, some grant-free traffic is mapped to part of the second partition and is spread in frequency across the second partition.

公开(公告)号：US20190123883A1

公开(公告)日：2019-04-25

申请号：US16230135

申请日：2018-12-21

申请人： TOUFIQUL ISLAM ,  KELVIN KAR KIN AU ,  JIANGLEI MA ,  MOHAMMADHADI BALIGH

发明人： TOUFIQUL ISLAM ,  KELVIN KAR KIN AU ,  JIANGLEI MA ,  MOHAMMADHADI BALIGH

IPC分类号： H04L5/00 ,  H04W72/04 ,  H04L27/26

摘要： Systems and methods are disclosed in which the start time of a downlink transmission to a user equipment (UE) is more flexible. For example, instead of beginning at predetermined starting points in a frame or subframe, a downlink transmission may instead possibly begin every x OFDM symbols, where x may be as small as one OFDM symbol.

公开(公告)号：US20180083758A1

公开(公告)日：2018-03-22

申请号：US15709018

申请日：2017-09-19

申请人： TOUFIQUL ISLAM ,  KELVIN KAR KIN AU ,  JIANGLEI MA ,  MOHAMMADHADI BALIGH

发明人： TOUFIQUL ISLAM ,  KELVIN KAR KIN AU ,  JIANGLEI MA ,  MOHAMMADHADI BALIGH

IPC分类号： H04L5/00 ,  H04W72/04 ,  H04L27/26

CPC分类号： H04L5/0083 ,  H04L5/0053 ,  H04L5/0082 ,  H04L27/2602 ,  H04W72/0406 ,  H04W72/044 ,  H04W88/02 ,  H04W88/08

摘要： Systems and methods are disclosed in which the start time of a downlink transmission to a user equipment (UE) is more flexible. For example, instead of beginning at predetermined starting points in a frame or subframe, a downlink transmission may instead possibly begin every x OFDM symbols, where x may be as small as one OFDM symbol.

公开(公告)号：US20180070341A1

公开(公告)日：2018-03-08

申请号：US15691312

申请日：2017-08-30

申请人： TOUFIQUL ISLAM ,  JIANGLEI MA ,  KELVIN KAR KIN AU ,  JIAYIN ZHANG ,  MOHAMED ADEL SALEM

发明人： TOUFIQUL ISLAM ,  JIANGLEI MA ,  KELVIN KAR KIN AU ,  JIAYIN ZHANG ,  MOHAMED ADEL SALEM

IPC分类号： H04W72/04 ,  H04L5/00 ,  H04L1/18

CPC分类号： H04W72/044 ,  H04L1/1812 ,  H04L1/1822 ,  H04L1/1887 ,  H04L5/0007 ,  H04L5/0055 ,  H04L5/0064 ,  H04L5/1469 ,  H04L27/2602 ,  H04L2001/0093 ,  H04W72/042 ,  H04W72/1242 ,  H04W88/02 ,  H04W88/08

摘要： Some user equipments (UEs) served by a base station may need to receive data from the base station and/or transmit data to the base station with lower latency than other UEs. It is desired to accommodate the presence of both low latency and latency tolerant communications in shared time-frequency resources to try to improve resource utilization. Embodiments are disclosed in which low latency and latency tolerant communications coexist in the same time-frequency resources. In some embodiments, a latency tolerant transmission is postponed to free resources to send a low latency transmission.

公开(公告)号：US20210185698A1

公开(公告)日：2021-06-17

申请号：US17182347

申请日：2021-02-23

申请人： LIQING ZHANG ,  JIANGLEI MA ,  KELVIN KAR KIN AU ,  WEN TONG

发明人： LIQING ZHANG ,  JIANGLEI MA ,  KELVIN KAR KIN AU ,  WEN TONG

IPC分类号： H04W72/12 ,  H04L5/00 ,  H04L27/26 ,  H04W72/04

摘要： Methods of bandwidth utilization are provided. Within a scheduling bandwidth, which may be an entire carrier bandwidth or a sub-band, scheduling is used to reserve a guard zone at the edge of the scheduled bandwidth. This can be based on the frequency localization capabilities of a transmitter that is to be scheduled. The guard zone may be defined to a resolution that is the same as the scheduling resolution in which case the guard zone is defined entirely through scheduling. Alternatively, the guard zone may be defined to a resolution smaller than the scheduling resolution in which case scheduling and further signaling may be employed to define the guard zone.

公开(公告)号：US20190045436A1

公开(公告)日：2019-02-07

申请号：US16152509

申请日：2018-10-05

申请人： KELVIN KAR KIN AU ,  LIQING ZHANG ,  JIANGLEI MA

发明人： KELVIN KAR KIN AU ,  LIQING ZHANG ,  JIANGLEI MA

IPC分类号： H04W52/02

摘要： An apparatus and method for a wireless device to receive data in an eco state is provided. According to an embodiment of the disclosure, upon determining that data is to be transmitted to the wireless device in the eco state, a network node operates to transmit a unicast notification message to the wireless device in order to inform the wireless device of the impending data transmission. According to another embodiment of the disclosure, in response to receiving the unicast notification message, the wireless device operates to receive the data in accordance with the unicast notification message. To this end, the wireless device might for example try to receive data for a time period following the unicast notification message. Meanwhile, the wireless device may remain in the eco state.