公开(公告)号：US11743079B2

公开(公告)日：2023-08-29

申请号：US17875064

申请日：2022-07-27

Applicant: INTERDIGITAL PATENT HOLDINGS, INC.

Inventor： Janet A. Stern-Berkowitz ,  Pouriya Sadeghi ,  J. Patrick Tooher ,  Samian Kaur ,  Marian Rudolf ,  Pascal M. Adjakple

IPC: H04W16/14 ,  H04W72/12 ,  H04L5/00 ,  H04L27/00 ,  H04W72/1268 ,  H04W74/08

CPC classification number: H04L27/0006 ,  H04L5/0048 ,  H04W16/14 ,  H04W72/1215 ,  H04W72/1268 ,  H04W74/085

Abstract: Systems, methods, and instrumentalities are disclosed for Uplink operation in LTE unlicensed spectrum (LTE-U). A wireless transmit/receive unit (WTRU) may receive licensed assisted access (LAA) configuration information, e.g., for a first cell from a second cell. The first cell may be associated with operation in an unlicensed band, and the second cell may be associated with operation in a licensed band. The WTRU may determine whether a first subframe is a sounding reference signal (SRS) subframe for the first cell. If the first subframe is an SRS subframe for the first cell, the WTRU may determine SRS resources for the first subframe and determine whether the WTRU is triggered to transmit an SRS transmission in the first subframe. If it is determined the WTRU is triggered to transmit the SRS transmission in the first subframe, the WTRU may transmit the SRS transmission on the SRS resources for the first subframe.

公开(公告)号：US11706713B2

公开(公告)日：2023-07-18

申请号：US17414210

申请日：2019-12-17

Applicant: INTERDIGITAL PATENT HOLDINGS, INC.

Inventor： Hussain E. Elkotby ,  Ravikumar V. Pragada ,  Tanbir Haque ,  Patrick Cabrol ,  Anantharaman Balasubramanian ,  Marian Rudolf ,  William E. Lawton

IPC: H04W52/02

CPC classification number: H04W52/0229

Abstract: A method for use in a Wireless Transmit/Receive Unit (WTRU). The method comprises: receiving, using an active receiver, system information comprising a first system information set, wherein the first system information set is currently valid for the WTRU; storing the system information; deactivating the active receiver and activating a passive receiver; determining whether a difference between a first parameter in the BSSI and a first parameter in the first system information set is greater than a threshold value, wherein on a condition that the difference is greater than the threshold value, reactivating the active receiver to receive a second system information set as a currently valid system information set for the WTRU.

公开(公告)号：US11671294B2

公开(公告)日：2023-06-06

申请号：US17019928

申请日：2020-09-14

Applicant: InterDigital Patent Holdings, Inc.

Inventor： J. Patrick Tooher ,  Paul Marinier ,  Marian Rudolf

IPC: H04W72/12 ,  H04L27/26 ,  H04L5/00 ,  H04W72/0446 ,  H04W72/1268

CPC classification number: H04L27/2602 ,  H04L5/0048 ,  H04L5/0051 ,  H04W72/0446 ,  H04W72/1268 ,  H04L27/2603 ,  H04L27/26035

Abstract: Methods and systems are disclosed for reducing control signaling in uplink transmissions. A device, such as a wireless transmit/receive unit, may determine to use a demodulation reference signal (DM-RS) transmission schedule out of a plurality of DM-RS transmission schedules. The DM-RS transmission schedule may be characterized by a DM-RS transmission being mapped to a single orthogonal frequency-division multiplexing (OFDM) symbol per subframe of a data stream. The DM-RS transmission schedule may be characterized by a DM-RS transmission being mapped to a first subset of subcarriers of an OFDM symbol of a subframe of a data stream and Physical Uplink Shared Channel (PUSCH) transmission or Physical Uplink Control Channel (PUCCH) control information being mapped to a second set of subcarriers of the OFDM symbol. The first set of subcarriers may be different than the second set of subcarriers. The data stream may be transmitted according to the DM-RS transmission schedule.

公开(公告)号：US20230171753A1

公开(公告)日：2023-06-01

申请号：US18100649

申请日：2023-01-24

Applicant: INTERDIGITAL PATENT HOLDINGS, INC.

Inventor： Moon-il Lee ,  Marian Rudolf ,  Peter S. Wang ,  Shahrokh Nayeb Nazar ,  Janet A. Stern-Berkowitz ,  Pouriya Sadeghi ,  Allan Y. Tsai ,  Sung-Hyuk Shin

IPC: H04W72/0453 ,  H04W74/08 ,  H04L1/1829 ,  H04L1/00

CPC classification number: H04W72/0453 ,  H04L1/0026 ,  H04L1/1858 ,  H04W74/0833 ,  H04L1/0031 ,  H04W72/23

Abstract: Systems and/or methods for supporting communications at a reduced bandwidth with a full bandwidth network such as a long-term evolution (LTE) network may be disclosed. For example, inband assignments such as downlink assignments and/or uplink grants may be provided and/or received and transmissions may be monitored and/or decoded based on the inband assignment. Additionally, information (e.g. a definition or configuration) associated with an ePDCCH may be provided and/or received and ePDCCH resources may be monitored and/or decoded based on such information. An indication for support of a reduced bandwidth by the full bandwidth network may also be provided and/or received and control channels in the reduced or narrow bandwidth may be monitored and/or decoded based on the indication. A PRACH preamble and/or a multi-type subframe definition may also be provided and/or used for support of such a reduced bandwidth.

公开(公告)号：US11621743B2

公开(公告)日：2023-04-04

申请号：US15950312

申请日：2018-04-11

Applicant: INTERDIGITAL PATENT HOLDINGS, INC.

Inventor： Paul Marinier ,  Afshin Haghighat ,  Guodong Zhang ,  Diana Pani ,  J. Patrick Tooher ,  Marian Rudolf ,  Ghyslain Pelletier ,  Christopher R. Cave ,  Yan Li ,  Allan Y. Tsai ,  Pascal M. Adjakple

IPC: H04B7/024 ,  H04B7/06

Abstract: Embodiments contemplate methods and systems for determining and communicating channel state information (CSI) for one or more transmission points (or CSI reference signal resources). Embodiments further contemplate determining transmission states may include applying at least one transmission state parameter to channel state information (CSI). Embodiments also contemplate reporting CSI based on the transmission state and/or at least one transmission state parameter applied thereto.

公开(公告)号：US20220294601A1

公开(公告)日：2022-09-15

申请号：US17824572

申请日：2022-05-25

Applicant: InterDigital Patent Holdings, Inc.

Inventor： Janet A. Stern-Berkowitz ,  Pouriya Sadeghi ,  Nobuyuki Tamaki ,  Moon-il Lee ,  Ghyslain Pelletier ,  Li-Hsiang Sun ,  Marian Rudolf

IPC: H04L5/14 ,  H04L1/18 ,  H04W72/12

Abstract: A wireless transmit/receive unit (WTRU) may monitor a common physical downlink control channel (PDCCH) search space for a downlink control information (DCI) signal and a first radio network terminal identifier (RNTI). In an example, the DCI signal may include an uplink (UL)/downlink (DL) configuration indication. In a further example, the first RNTI may be associated with UL/DL configuration information. The WTRU may transmit UL data or receive DL data based on the received UL/DL configuration indication. In another example, the DCI may include a plurality of UL/DL configuration indications. In an additional example, a plurality of WTRUs may monitor the common PDCCH search space for the first RNTI. Also, the UL/DL configuration indication may indicate UL/DL configuration information on a symbol basis. Further, the WTRU may receive a second RNTI which is associated with the UL/DL configuration indication.

公开(公告)号：US20220217730A1

公开(公告)日：2022-07-07

申请号：US17694067

申请日：2022-03-14

Applicant: InterDigital Patent Holdings, Inc.

Inventor： Paul Marinier ,  Benoit Pelletier ,  Marian Rudolf ,  Diana Pani ,  Gwenael Poitau ,  Ghyslain Pelletier ,  Chao-Cheng Tu

IPC: H04W72/12 ,  H04W72/02 ,  H04W72/04

Abstract: Systems, methods, and instrumentalities are provided to implement scheduling for device-to-device (D2D). A WTRU (e.g., a D2D WTRU) may determine whether the WTRU has D2D data to transmit. The WTRU may determine a set of allowed SA resources and/or allowed D2D data resources for transmission of the SA. The WTRU may select an SA resource and/or D2D data resources (e.g., from the set of allowed SA resources and/or D2D data resources) for transmission. The WTRU may select one or more transmission parameters. The WTRU may select one or more transmission patterns. The WTRU may transmit D2D data over the set of allowed D2D resources using the selected transmission patterns and according to the selected transmission parameters.

公开(公告)号：US20220200724A1

公开(公告)日：2022-06-23

申请号：US17694952

申请日：2022-03-15

Applicant: InterDigital Patent Holdings, Inc.

Inventor： Paul Marinier ,  Patrick J. Tooher ,  Ghyslain Pelletier ,  Marian Rudolf

IPC: H04L1/00 ,  H04W72/04 ,  H04L27/00

Abstract: Systems, methods, and/or techniques for improving downlink spectrum efficiency may be disclosed. For example, a higher order modulation (HOM) transmission may be provided to a device. The higher order modulation transmission may be configured to be indicated by the network or a device. Additionally, multiple modulation and coding scheme (MCS) tables, transport block size (TBS) tables, and/or channel quality index (CQI) tables may be provided to support the higher order modulation transmission.

公开(公告)号：US11309988B2

公开(公告)日：2022-04-19

申请号：US16880972

申请日：2020-05-21

Applicant: INTERDIGITAL PATENT HOLDINGS, INC.

Inventor： Paul Marinier ,  J. Patrick Tooher ,  Ghyslain Pelletier ,  Marian Rudolf

IPC: H04W72/04 ,  H04L1/00 ,  H04L27/00 ,  H04L1/18

Abstract: Systems, methods, and/or techniques for improving downlink spectrum efficiency may be disclosed. For example, a higher order modulation (HOM) transmission may be provided to a device. The higher order modulation transmission may be configured to be indicated by the network or a device. Additionally, multiple modulation and coding scheme (MCS) tables, transport block size (TBS) tables, and/or channel quality index (CQI) tables may be provided to support the higher order modulation transmission.

公开(公告)号：US20200236705A1

公开(公告)日：2020-07-23

申请号：US16748394

申请日：2020-01-21

Applicant: INTERDIGITAL PATENT HOLDINGS, INC.

Inventor： Paul Marinier ,  Diana Pani ,  Ghyslain Pelletier ,  Marian Rudolf

IPC: H04W74/00 ,  H04L5/00 ,  H04W72/04 ,  H04L1/18 ,  H04B7/06 ,  H04W88/06

Abstract: A method and apparatus for sending uplink control information by a multi-mode wireless transmit/receive unit (WTRU) capable of operating on multiple component carriers of a plurality of radio access technologies (RATs) for multi-RAT operation are disclosed. The WTRU may generate uplink control information (UCI) pertaining to a first RAT and a second RAT, wherein the UCI may include a first plurality of hybrid automatic repeat request acknowledgements (HARQ-ACKs) pertaining to a plurality of downlink (DL) transmissions of the first RAT and a second plurality of HARQ-ACKs pertaining to a plurality of DL transmissions of the second RAT. The WTRU may multiplex at least part of the generated UCI pertaining to the first RAT and at least part of the generated UCI pertaining to the second RAT onto a physical channel on a component carrier of the second RAT.