公开(公告)号：US11172441B2

公开(公告)日：2021-11-09

申请号：US16256121

申请日：2019-01-24

Applicant: InterDigital Technology Corporation

Inventor： Stephen E. Terry ,  Peter S. Wang ,  Jin Wang

IPC: H04W4/00 ,  H04W52/02 ,  H04W76/28

Abstract: A method for controlling discontinuous reception in a wireless transmit/receive unit includes defining a plurality of DRX levels, wherein each DRX level includes a respective DRX cycle length and transitioning between DRX levels based on a set of criteria. The transitioning may be triggered by implicit rules.

公开(公告)号：US20190357167A1

公开(公告)日：2019-11-21

申请号：US16530178

申请日：2019-08-02

Applicant: InterDigital Technology Corporation

Inventor： Jin Wang ,  John S. Chen ,  Mohammed Sammour ,  Stephen E. Terry ,  Arty Chandra ,  Guodong Zhang

IPC: H04W56/00 ,  H04J11/00 ,  H04W72/04 ,  H04W52/02

Abstract: A Node-B sends a polling message to a wireless transmit/receive unit (WTRU). The WTRU sends an uplink synchronization burst in response to the polling message without contention. The Node-B estimates an uplink timing shift based on the synchronization burst and sends an uplink timing adjustment command to the WTRU. The WTRU then adjusts uplink timing based on the uplink timing adjustment command. Alternatively, the Node-B may send a scheduling message for uplink synchronization to the WTRU. The WTRU may send a synchronization burst based on the scheduling message. Alternatively, the WTRU may perform contention-based uplink synchronization after receiving a synchronization request from the Node-B. The WTRU may enter an idle state instead of performing a handover to a new cell when the WTRU moves to the new cell. A discontinuous reception (DRX) interval for the WTRU may be set based on activity of the WTRU.

公开(公告)号：US10271318B2

公开(公告)日：2019-04-23

申请号：US15676769

申请日：2017-08-14

Applicant: INTERDIGITAL TECHNOLOGY CORPORATION

Inventor： Stephen E. Terry ,  Jin Wang ,  Arty Chandra ,  John S. Chen ,  Guodong Zhang

IPC: H04W72/04 ,  H04B7/26 ,  H04L1/18 ,  H04W56/00 ,  H04W72/12 ,  H04W74/04 ,  H04L5/00

Abstract: In a wireless communication system comprising at least one evolved Node-B (eNB) and a plurality of wireless transmit/receive units (WTRUs), a non-contention based (NCB) channel is established, maintained, and utilized. The NCB channel is allocated for use by one or more WTRUs in the system for utilization in a variety of functions, and the allocation is communicated to the WTRUs. The wireless communication system analyzes the allocation of the NCB channel as required, and the NCB channel is reallocated as required.

公开(公告)号：US10237820B2

公开(公告)日：2019-03-19

申请号：US15655510

申请日：2017-07-20

Applicant: INTERDIGITAL TECHNOLOGY CORPORATION

Inventor： Stephen E. Terry ,  Peter S. Wang ,  Jin Wang

IPC: H04L12/16 ,  H04W52/02 ,  H04W76/28

Abstract: A method for controlling discontinuous reception in a wireless transmit/receive unit includes defining a plurality of DRX levels, wherein each DRX level includes a respective DRX cycle length and transitioning between DRX levels based on a set of criteria. The transitioning may be triggered by implicit rules.

公开(公告)号：US10225049B2

公开(公告)日：2019-03-05

申请号：US15439653

申请日：2017-02-22

Applicant: InterDigital Technology Corporation

Inventor： Stephen E. Terry ,  Robert L. Olesen ,  Jin Wang ,  Arty Chandra

IPC: H04B7/06 ,  H04L1/16 ,  H04L1/18 ,  H04L5/00 ,  H04W72/04 ,  H04W88/08 ,  H04B7/0413 ,  G08C25/02

Abstract: A method and apparatus may be used for supporting multiple hybrid automatic repeat request (H-ARQ) processes per transmission time interval (TTI). A transmitter and a receiver may include a plurality of H-ARQ processes. Each H-ARQ process may transmit and receive one TB per TTI. The transmitter may generate a plurality of TBs and assign each TB to a H-ARQ process. The transmitter may send control information for each TB, which may include H-ARQ information associated TBs with the TBs. The transmitter may send the TBs using the associated H-ARQ processes simultaneously per TTI. After receiving the TBs, the receiver may send feedback for each of the H-ARQ processes and associated TBs indicating successful or unsuccessful receipt of each of the TBs to the transmitter. The feedback for multiple TBs may be combined for the simultaneously transmitted H-ARQ processes, (i.e., TBs).

公开(公告)号：US10165606B2

公开(公告)日：2018-12-25

申请号：US15336258

申请日：2016-10-27

Applicant: INTERDIGITAL TECHNOLOGY CORPORATION

Inventor： Mohammed Sammour ,  Arty Chandra ,  Jin Wang ,  Shankar Somasundaram

IPC: G08C17/00 ,  H04W76/04 ,  H04W52/02 ,  H04W72/04

Abstract: A method of discontinuous reception (DRX) in a wireless transmit receive unit (WTRU) includes the WTRU receiving DRX setting information over a radio resource control (RRC) signal, and the WTRU receiving DRX activation information over medium access control (MAC) signal.

公开(公告)号：US09985768B2

公开(公告)日：2018-05-29

申请号：US14485125

申请日：2014-09-12

Applicant: InterDigital Technology Corporation

Inventor： Stephen E. Terry ,  Jin Wang ,  Arty Chandra

IPC: H04L5/00 ,  H04W72/04 ,  H04L1/16 ,  H04L1/18 ,  H04L1/00 ,  H04W72/08

CPC classification number: H04L5/0057 ,  H04L1/0025 ,  H04L1/0026 ,  H04L1/1678 ,  H04L1/1812 ,  H04L1/1822 ,  H04L1/1825 ,  H04L1/1887 ,  H04L1/1893 ,  H04W72/0413 ,  H04W72/085

Abstract: A method and apparatus for selecting multiple transport formats and transmitting multiple transport blocks (TBs) in a transmission time interval simultaneously with multiple hybrid automatic repeat request (H-ARQ) processes in a wireless communication system are disclosed. Available physical resources and H-ARQ processes associated with the available physical resources are identified and channel quality of each of the available physical resources is determined. Quality of service (QoS) requirements of higher layer data to be transmitted are determined. The higher layer data is mapped to at least two H-ARQ processes. Physical transmission and H-ARQ configurations to support QoS requirements of the higher layer data mapped to each H-ARQ process are determined. TBs are generated from the mapped higher layer data in accordance with the physical transmission and H-ARQ configurations of each H-ARQ process, respectively. The TBs are transmitted via the H-ARQ processes simultaneously.

公开(公告)号：US09893844B2

公开(公告)日：2018-02-13

申请号：US15018227

申请日：2016-02-08

Applicant: INTERDIGITAL TECHNOLOGY CORPORATION

Inventor： Stephen E. Terry ,  Robert L. Olesen ,  Jin Wang ,  Arty Chandra

IPC: H04L1/18 ,  G08C25/02 ,  H04B7/0413 ,  H04B7/06 ,  H04L1/16 ,  H04W72/04 ,  H04L5/00

CPC classification number: H04L1/1861 ,  H04B7/0413 ,  H04B7/0632 ,  H04L1/1607 ,  H04L1/1812 ,  H04L1/1887 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0057 ,  H04W72/0406 ,  H04W72/042 ,  H04W72/0446 ,  H04W88/08

Abstract: A method and apparatus may be used for supporting multiple hybrid automatic repeat request (H-ARQ) processes per transmission time interval (TTI). A transmitter and a receiver may include a plurality of H-ARQ processes. Each H-ARQ process may transmit and receive one TB per TTI. The transmitter may generate a plurality of TBs and assign each TB to a H-ARQ process. The transmitter may send control information for each TB, which may include H-ARQ information associated TBs with the TBs. The transmitter may send the TBs using the associated H-ARQ processes simultaneously per TTI. After receiving the TBs, the receiver may send feedback for each of the H-ARQ processes and associated TBs indicating successful or unsuccessful receipt of each of the TBs to the transmitter. The feedback for multiple TBs may be combined for the simultaneously transmitted H-ARQ processes, (i.e., TBs).

公开(公告)号：US20180020465A1

公开(公告)日：2018-01-18

申请号：US15678934

申请日：2017-08-16

Applicant: InterDigital Technology Corporation

Inventor： Arty Chandra ,  Mohammed Sammour ,  Jin Wang

IPC: H04W72/12 ,  H04L12/911 ,  H04L1/18 ,  H04L12/801 ,  H04B1/713 ,  H04L5/00 ,  H04W72/04 ,  H04L12/923

Abstract: A method and apparatus are provided for dynamic resource allocation, scheduling and signaling for variable data real time services (RTS) in long term evolution (LTE) systems. Preferably, changes in data rate for uplink RTS traffic are reported to an evolved Node B (eNB) by a UE using layer 1, 2 or 3 signaling. The eNB dynamically allocates physical resources in response to a change in data rate by adding or removing radio blocks currently assigned to the data flow, and the eNB signals the new resource assignment to the UE. In an alternate embodiment, tables stored at the eNB and the UE describe mappings of RTS data rates to physical resources under certain channel conditions, such that the UE uses the table to locally assign physical resources according to changes in UL data rates. Additionally, a method and apparatus for high level configuration of RTS data flows is also presented.

公开(公告)号：US09743422B2

公开(公告)日：2017-08-22

申请号：US15207301

申请日：2016-07-11

Applicant: InterDigital Technology Corporation

Inventor： Jin Wang ,  Mohammed Sammour ,  Arty Chandra

IPC: H04L1/00 ,  H04W72/12 ,  H04L12/54 ,  H04L12/801 ,  H04L12/923 ,  H04L12/911 ,  H04B1/713 ,  H04L1/18 ,  H04L5/00 ,  H04W72/04

CPC classification number: H04W72/1236 ,  H04B1/713 ,  H04L1/18 ,  H04L5/0007 ,  H04L5/003 ,  H04L5/0064 ,  H04L5/0094 ,  H04L5/0096 ,  H04L47/15 ,  H04L47/70 ,  H04L47/762 ,  H04L47/824 ,  H04W72/0446

Abstract: A method and apparatus are provided for dynamic resource allocation, scheduling and signaling for variable data real time services (RTS) in long term evolution (LTE) systems. Preferably, changes in data rate for uplink RTS traffic are reported to an evolved Node B (eNB) by a UE using layer 1, 2 or 3 signaling. The eNB dynamically allocates physical resources in response to a change in data rate by adding or removing radio blocks currently assigned to the data flow, and the eNB signals the new resource assignment to the UE. In an alternate embodiment, tables stored at the eNB and the UE describe mappings of RTS data rates to physical resources under certain channel conditions, such that the UE uses the table to locally assign physical resources according to changes in UL data rates. Additionally, a method and apparatus for high level configuration of RTS data flows is also presented.