公开(公告)号：US20240322981A1

公开(公告)日：2024-09-26

申请号：US18732505

申请日：2024-06-03

Applicant: ZTE Corporation

Inventor： Jun XU ,  Yu Ngok LI ,  Bo DAI ,  Yuxin WANG ,  Jin XU

IPC: H04L5/00 ,  H04L1/00 ,  H04L1/1607 ,  H04L1/1812 ,  H04L1/20 ,  H04W72/0446

CPC classification number: H04L5/0055 ,  H04L1/0003 ,  H04L1/0005 ,  H04L1/0011 ,  H04L1/0021 ,  H04L1/0026 ,  H04L1/0028 ,  H04L1/0035 ,  H04L1/1671 ,  H04L1/1692 ,  H04L1/1812 ,  H04L1/20 ,  H04L1/203 ,  H04L5/0048 ,  H04L5/0057 ,  H04W72/0446

Abstract: Provided are a method, apparatus and system for processing feedback information. The method includes: the first transmission node receiving a signal of a data shared channel, and determining data transmission level indication information of a transport block according to the signal; and the first transmission node transmitting the data transmission level indication information corresponding to the transport block to a second transmission node.

公开(公告)号：US12088414B2

公开(公告)日：2024-09-10

申请号：US18470128

申请日：2023-09-19

Applicant: InterDigital Patent Holdings, Inc.

Inventor： Janet A. Stern-Berkowitz ,  Moon-il Lee ,  Sungkwon Hong

IPC: H04W72/0446 ,  H04L1/00 ,  H04L1/1607 ,  H04L1/1812 ,  H04W4/70 ,  H04W72/23 ,  H04L5/00

CPC classification number: H04L1/1657 ,  H04L1/0034 ,  H04L1/1692 ,  H04L1/1812 ,  H04W72/23 ,  H04L5/0007 ,  H04L5/0055

Abstract: Systems, methods, and instrumentalities are disclosed for narrowband (NB) LTE operation. A WTRU may receive a first downlink data transmission, for example, via a physical downlink shared channel (PDSCH). The WTRU may determine to send a hybrid automatic repeat request (HARQ) acknowledgment (ACK) in response to receipt of the first downlink data transmission. The WTRU may transmit a first uplink reference signal. The WTRU may indicate the HARQ-ACK using a first cyclic shift index that is applied to the first uplink reference signal. The WTRU may determine to send a HARQ negative ACK (HARQ-NACK), for example, on a condition that a second downlink data transmission is not correctly received. The WTRU may send a second uplink reference signal. The WTRU may indicate the HARQ-NACK using a second cyclic shift that is applied to the second uplink reference signal.

公开(公告)号：US11979843B2

公开(公告)日：2024-05-07

申请号：US16808200

申请日：2020-03-03

Applicant: QUALCOMM INCORPORATED

Inventor： Kaushik Chakraborty ,  Tao Luo ,  Xiaoxia Zhang ,  Sony Akkarakaran ,  Makesh Pravin John Wilson ,  Sumeeth Nagaraja ,  Wooseok Nam

IPC: H04L1/00 ,  H04J11/00 ,  H04L1/1607 ,  H04L5/00 ,  H04W56/00 ,  H04B7/06 ,  H04B7/212 ,  H04B7/26 ,  H04L27/26 ,  H04W88/16

CPC classification number: H04W56/001 ,  H04J11/0053 ,  H04L1/00 ,  H04L1/1692 ,  H04L5/0028 ,  H04L5/0032 ,  H04L5/0048 ,  H04L5/0073 ,  H04L5/0082 ,  H04B7/0617 ,  H04B7/066 ,  H04B7/212 ,  H04B7/2628 ,  H04L5/0023 ,  H04L27/261 ,  H04W88/16

Abstract: Wireless communications systems and methods related to synchronization signal (SS) transmission coordination among base stations (BSs) and restricted SS measurements at user equipments (UEs) are provided. A first BS transmits a first SS burst in a first SS transmission period of a plurality of SS transmission periods. The first SS transmission period is designated to the first BS. A second SS transmission period of the plurality of SS transmission periods is designated to a second BS. The first SS transmission period and the second SS transmission period are different. The first BS receives, from a UE, a first signal in synchronization with the first SS burst. The first signal includes a SS measurement of the first SS burst.

公开(公告)号：US20240023116A1

公开(公告)日：2024-01-18

申请号：US18359722

申请日：2023-07-26

Applicant: NEC CORPORATION

Inventor： Diptendu MITRA ,  Yassin Aden AWAD

IPC: H04W72/23 ,  H04L1/1607 ,  H04L5/00 ,  H04W72/0453 ,  H04W72/1268

CPC classification number: H04W72/23 ,  H04L1/1607 ,  H04L1/1692 ,  H04L5/0053 ,  H04L5/0091 ,  H04L5/0055 ,  H04W72/0453 ,  H04W72/1268 ,  H04L27/2601

Abstract: A communications system is described in which user devices are allocated sub-carriers on which to transmit uplink data to a base station. ACK/NACK messages for the data transmitted on the uplink are then transmitted by the base station on sub-carriers that depend on the sub-carriers used to carry the uplink data. A direct mapping function is preferably used to determine the sub-carriers to be used for the ACK/NACK messages from the uplink sub-carriers. In another embodiment, the ACK/NACK messages are transmitted to the user devices on sub-carriers that are previously identified to the user devices, preferably by transmitting one or more index values to the user device in a control channel thereof.

公开(公告)号：US11743944B2

公开(公告)日：2023-08-29

申请号：US17391610

申请日：2021-08-02

Applicant: Telefonaktiebolaget LM Ericsson (publ)

Inventor： Havish Koorapaty ,  Sorour Falahati ,  Jung-Fu Cheng

IPC: H04W74/08 ,  H04L1/1607 ,  H04L1/1812 ,  H04L1/1829 ,  H04W72/0446

CPC classification number: H04W74/0816 ,  H04L1/1692 ,  H04L1/1812 ,  H04L1/1832 ,  H04W72/0446 ,  H04W74/0808

Abstract: According to some embodiments, a method for use in a user equipment (UE) of managing a listen-before-talk (LBT) contention window size comprises receiving scheduling for a current burst of contiguous uplink subframes. For each subframe the scheduling comprises an associated hybrid automatic repeat request (HARQ) process identifier and a new data indicator (NDI). The method determines a reference subframe based on a previously-scheduled burst of contiguous uplink subframes. The reference subframe is associated with a reference HARQ process identifier. When the UE determines the HARQ process identifier associated with a subframe of the current scheduled burst of contiguous uplink subframes matches the reference HARQ process identifier and the NDI indicates new data, the method resets the LBT contention window. When the reference HARQ process identifier matches, but the associated NDI indicates a retransmission, or the HARQ process identifier does not match, the method increments the LBT contention window.

公开(公告)号：US11716735B2

公开(公告)日：2023-08-01

申请号：US17827416

申请日：2022-05-27

Applicant: Sun Patent Trust

Inventor： Toru Oizumi ,  Akihiko Nishio ,  Ayako Horiuchi

IPC: H04W72/21 ,  H04W76/28 ,  H04W72/12 ,  H04W52/54 ,  H04L1/1607 ,  H04L1/1829 ,  H04W72/23 ,  H04W72/02 ,  H04L1/00 ,  H04L5/00 ,  H04W72/0453 ,  H04W28/06 ,  H04W88/02 ,  H04W88/08

CPC classification number: H04W72/21 ,  H04L1/00 ,  H04L1/1692 ,  H04L1/1854 ,  H04L1/1861 ,  H04L5/0055 ,  H04W52/54 ,  H04W72/02 ,  H04W72/0453 ,  H04W72/12 ,  H04W72/23 ,  H04W76/28 ,  H04W28/06 ,  H04W88/02 ,  H04W88/08

Abstract: The present invention pertains to a terminal device, which, when ARQ is used for communication that uses an uplink unit band and a plurality of downlink unit bands associated with the uplink unit band, and when a transmission mode that supports up to 2 TB in a PCell is set in the terminal, is capable of reducing the amount of signaling from a base station while eliminating a lack of PUCCH resources when semi-permanent scheduling (SPS) is used in the PCell. A control unit in this device selects one value among values obtained by adding 1 to four PUCCH resource indexes, which have been preset for PUCCH resource 1 by the base station, on the basis of values for transmission power control information (TPC command for PUCCH) in a PDCCH, for which notification has been received at the start of SPS.

公开(公告)号：US20190215825A1

公开(公告)日：2019-07-11

申请号：US16353862

申请日：2019-03-14

Applicant: Panasonic Intellectual Property Corporation of America

Inventor： Toru Oizumi

IPC: H04W72/04 ,  H04L5/00 ,  H04L5/14 ,  H04W52/02 ,  H04L1/16 ,  H04L1/00 ,  H04W28/04

CPC classification number: H04W72/0413 ,  H04L1/0061 ,  H04L1/1692 ,  H04L5/001 ,  H04L5/0055 ,  H04L5/14 ,  H04W28/04 ,  H04W52/0212 ,  Y02D70/00 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/25

Abstract: A control unit (208) transmits a response signal on an uplink control channel on the basis of a rule. In the rule, error detection result pattern candidates are associated with multiple resources of the uplink control channel used in the transmission of the response signal and with phase points within each resource, and at least a specific pattern candidate, wherein the pattern for a specific error detection result with respect to downlink data of a first unit band is identical to the error detection result pattern when communication with the base station (100) occurs using only the first unit band, and the error detection results other than the specific error detection result are all NACK or DTX, is associated with the first resource of the multiple resources. In addition, at least the first resource of the multiple resources is arranged within the first unit band.

公开(公告)号：US20180316464A1

公开(公告)日：2018-11-01

申请号：US15771886

申请日：2016-11-04

Applicant: INTERDIGITAL PATENT HOLDINGS, INC.

Inventor： Janet A. Stern-Berkowitz ,  Moon-il Lee ,  Sungkwon Hong

IPC: H04L1/16 ,  H04L1/18 ,  H04W72/04

CPC classification number: H04L1/1657 ,  H04L1/0034 ,  H04L1/1692

Abstract: Systems, methods, and instrumentalities are disclosed for narrowband (NB) LTE operation. A WTRU may receive a first downlink data transmission, for example, via a physical downlink shared channel (PDSCH). The WTRU may determine to send a hybrid automatic repeat request (HARQ) acknowledgment (ACK) in response to receipt of the first downlink data transmission. The WTRU may transmit a first uplink reference signal. The WTRU may indicate the HARQ-ACK using a first cyclic shift index that is applied to the first uplink reference signal. The WTRU may determine to send a HARQ negative ACK (HARQ-NACK), for example, on a condition that a second downlink data transmission is not correctly received. The WTRU may send a second uplink reference signal. The WTRU may indicate the HARQ-NACK using a second cyclic shift that is applied to the second uplink reference signal.

公开(公告)号：US20180220473A1

公开(公告)日：2018-08-02

申请号：US15934607

申请日：2018-03-23

Applicant: LG ELECTRONICS INC.

Inventor： Dong Youn SEO ,  Min Gyu KIM ,  Joon Kui AHN ,  Suck Chel YANG

IPC: H04W76/10 ,  H04L5/00 ,  H04L1/16 ,  H04L1/18

CPC classification number: H04W76/10 ,  H04L1/1607 ,  H04L1/1692 ,  H04L1/1861 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/0042 ,  H04L5/006 ,  H04L2001/125 ,  H04W72/04

Abstract: A method for transmitting acknowledgement/negative-acknowledgement (ACK/NACK) information of a user equipment (UE) configured with two serving cells including a first serving cell and a second serving cell, the method including receiving two transport blocks (TBs) through a downlink subframe of the first serving cell, receiving one TB through a downlink subframe of the second serving cell and transmitting ACK/NACK information informing ACK/NACKs for the two TBs and the one TB through an uplink subframe of the first serving cell, wherein the ACK/NACK information informs the ACK/NACKs for the two TBs and the one TB by a combination of one resource selected from a plurality of candidate resources and two bits transmitted through the one resource.

公开(公告)号：US10009150B2

公开(公告)日：2018-06-26

申请号：US15039318

申请日：2013-11-28

Applicant: Telefonaktiebolaget LM Ericsson (publ)

Inventor： Yongquan Qiang ,  Hong Ren ,  Ping Yu ,  Feng Li ,  Yang Tian

IPC: H04L1/18 ,  H04W24/02 ,  H04W76/04 ,  H04L5/00

CPC classification number: H04L1/1819 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/1692 ,  H04L1/1816 ,  H04L5/0055 ,  H04W24/02 ,  H04W76/28

Abstract: Methods, apparatuses and a user equipment for performing a Hybrid Automatic Repeat Request (HARQ) transmission in a downlink from a base station to at least one user equipment are provided. An exemplary method comprises receiving a HARQ feedback to a HARQ transmission performed with respect to a transport block. The method further comprises determining whether the HARQ feedback is an ambiguous HARQ feedback with respect to a negative acknowledgement or a discontinuous transmission. The method additionally comprises setting (S206) the ambiguous HARQ feedback as the negative acknowledgement or the discontinuous transmission based on the number of HARQ transmissions having been performed and the corresponding received HARQ feedbacks within a target number of HARQ transmissions counting from a first HARQ transmission. With the methods and apparatuses, the ambiguity of the HARQ feedback can be overcome and communication efficiency may be improved.