-
201.
公开(公告)号:US20240155677A1
公开(公告)日:2024-05-09
申请号:US18548960
申请日:2021-04-23
Applicant: QUALCOMM Incorporated
Inventor: Shaozhen GUO , Jing SUN , Changlong XU , Xiaoxia ZHANG
IPC: H04W74/0808 , H04W74/00
CPC classification number: H04W74/0808 , H04W74/006
Abstract: Methods and devices for downlink (DL) control channel communications operating in a semi-static channel access mode in a shared frequency band are provided. In one aspect, a method is performed by a base station (BS) and includes: transmitting, based on a first configuration during a first period, a first downlink (DL) control signal, where the first configuration is based on the first period associated with a first channel occupancy signal (COT) type; and transmitting, based on a second configuration during a second period, a second DL control signal, where the second configuration is based on the second period associated with a second COT type different from the first COT type, and where the second configuration is different from the first configuration.
-
公开(公告)号:US20240137253A1
公开(公告)日:2024-04-25
申请号:US18546705
申请日:2021-04-27
Applicant: QUALCOMM Incorporated
Inventor: Liangming WU , Kexin XIAO , Thomas Joseph RICHARDSON , Changlong XU , Ori SHENTAL , Kangqi LIU , Wei LIU , Hao XU
CPC classification number: H04L27/0012 , H03M7/4006
Abstract: Wireless communications systems and methods related to an efficient arithmetic coding based multiple composition distribution matcher (MCDM) are provided. A wireless communication device selects, based on a first value representing a sequence of bits, a first composition from a plurality of compositions. Each composition of the plurality of compositions includes a different modulation symbol distribution associated with a modulation scheme. The wireless communication device encodes, based on the first composition, the sequence of bits into a sequence of symbols using arithmetic coding. The wireless communication device transmits a communication signal including the sequence of symbols.
-
公开(公告)号:US20240107455A1
公开(公告)日:2024-03-28
申请号:US17754821
申请日:2019-11-20
Applicant: QUALCOMM Incorporated
Inventor: Changlong XU , Jing SUN , Xiaoxia ZHANG
IPC: H04W52/02
CPC classification number: H04W52/0235 , H04W52/0216
Abstract: This disclosure provides systems and methods, including computer programs encoded on computer storage media, for managing control channel monitoring. In an aspect, a mobile device may receive a wakeup signal including an indication of one or more groups of physical downlink control channel (PDCCH) search space sets. The mobile device may determine one or more PDCCH monitoring times based on the indication of the one or more groups of PDCCH search space sets. The mobile device may monitor the PDCCH during the determined one or more PDCCH monitoring times. In another aspect, a network element may configure two or more groups of physical downlink control channel (PDCCH) search space sets among the plurality of mobile devices and transmit a wakeup signal indicating to the plurality of mobile devices which of the two groups of PDCCH search space sets to which each mobile device of the plurality of mobile devices belongs.
-
公开(公告)号:US20240014921A1
公开(公告)日:2024-01-11
申请号:US18252648
申请日:2021-01-19
Applicant: QUALCOMM Incorporated
Inventor: Jian LI , Changlong XU , Kangqi LIU , Liangming WU , Hao XU
IPC: H04L1/00
CPC classification number: H04L1/0002 , H04L1/0041 , H04L1/0026
Abstract: Aspects of the present disclosure relate to selection of a coding rate for forward error correction coding associated with Fountain code encoding. According to some aspects, a wireless device may determine a plurality of block error rates associated with a channel between the wireless device and a second device, the plurality of block error rates being associated with a plurality of coding rates. The wireless device may select a coding rate from the plurality of coding rates for forward error correction coding based on the plurality of block error rates and the plurality of coding rates. The wireless device may encode a source data packet using a Fountain code to produce a codeword, and perform the forward error correction coding on the codeword based on the selected coding rate to produce a transmit signal. The wireless device may transmit the transmit signal to the second device.
-
205.
公开(公告)号:US20230422242A1
公开(公告)日:2023-12-28
申请号:US18253239
申请日:2021-01-14
Applicant: QUALCOMM Incorporated
Inventor: Shaozhen GUO , Xiaoxia ZHANG , Changlong XU , Jing SUN , Rajat PRAKASH , Hao XU
IPC: H04W72/1268 , H04W72/21 , H04W72/566 , H04L1/1812
CPC classification number: H04W72/1268 , H04W72/21 , H04W72/566 , H04L1/1812
Abstract: Wireless communication systems and methods related to multiplexing of uplink control information (UCI) and configured grant-UCI (CG-UCI) of different priorities are provided. A user equipment (UE) determines that a physical uplink control channel (PUCCH) resource at least partially overlaps with a configured grant physical uplink shared channel (CG-PUSCH) resource, where the PUCCH resource and the CG-PUSCH resource are associated with different priorities. The UE, based on a threshold number of bits, a number of bits of a low-priority uplink control information (UCI) for multiplexing with at least one of a high-priority CG-PUSCH transmission, a low-priority CG-PUSCH transmission, or a high-priority UCI. The UE multiplexes the number of bits of the low-priority UCI with the at least one of the high-priority CG-PUSCH transmission, the low-priority CG-PUSCH transmission, or the high-priority UCI to generate a multiplexed uplink transmission, and transmits the multiplexed uplink transmission in the PUCCH resource or the CG-PUSCH resource.
-
公开(公告)号:US20230396355A1
公开(公告)日:2023-12-07
申请号:US18249922
申请日:2020-12-14
Applicant: QUALCOMM INCORPORATED
Inventor: Kangqi LIU , Liangming WU , Changlong XU , Jian LI , Hao XU , Ruiming ZHENG
IPC: H04L1/00
CPC classification number: H04L1/0003 , H04L1/0061 , H04L1/0009
Abstract: Methods, systems, and devices for wireless communications are described. A rateless code may be used to generate n encoded packets based on a set of source packets. A modulation technique may be used to generate first symbol packets from the encoded packets. And a layered modulation technique may be used to generate coded symbol packets from the first symbol packets. The layered modulation technique may include generating a coded symbol packet from a group of first symbol packets. Different weights may be applied to the different first symbol packets included in the group of first symbol packets before the first symbol packets in the group are combined together. A receiving device may demodulate the transmitted coded symbol packets to reconstruct the group of first symbol packets, use the reconstructed group of first symbol packets to recover the encoded packets, and use the encoded packets to reconstruct the source packets.
-
207.
公开(公告)号:US20230362938A1
公开(公告)日:2023-11-09
申请号:US18006427
申请日:2020-10-02
Applicant: QUALCOMM Incorporated
Inventor: Shaozhen GUO , Changlong XU , Jing SUN , Xiaoxia ZHANG
IPC: H04W72/21 , H04W72/12 , H04L1/1812
CPC classification number: H04W72/21 , H04W72/12 , H04L1/1812
Abstract: Wireless communication systems and methods related to dynamic indications of uplink transmission parameters via configured grant-UCI (CG-UCI) are provided. A user equipment (UE) receives, from a base station (BS), a first configuration indicating a first configured grant (CG) resource and a first transmission parameter associated with the first CG resource. The UE determines a second transmission parameter for transmitting a data block in the first CG resource. The second transmission parameter is different from the first transmission parameter. The UE transmits, to the BS in the first CG resource, a transmission including the data block and configured grant-uplink control information (CG-UCI) indicating the second transmission parameter, where the data block is transmitted based on the second transmission parameter.
-
公开(公告)号:US20230361913A1
公开(公告)日:2023-11-09
申请号:US18245144
申请日:2020-11-18
Applicant: QUALCOMM Incorporated
Inventor: Liangming WU , Changlong XU , Jian LI , Kangqi LIU , Kexin XIAO , Hao XU
IPC: H04L1/00
CPC classification number: H04L1/0042 , H04L1/0075
Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive, from a base station, a configuration indicating a set of encoding parameters corresponding to a constellation shaping encoding process. The UE may calculate a number of bits of a first subset of a source bit stream, and the first subset of the source bit stream may include or encompass an input to a distribution matcher. The UE may apply, to the first subset, a distribution matcher parameter based on the set of encoding parameters. The UE may calculate a number of bits of a second subset of the source bit stream, and the second subset of the source bit stream may be concatenated with an output bit stream of the distribution matcher as an input to a channel encoder. The UE may signal the source bit stream to the base station.
-
公开(公告)号:US20230361830A1
公开(公告)日:2023-11-09
申请号:US17921068
申请日:2020-04-30
Applicant: QUALCOMM Incorporated
Inventor: Chih-Hao LIU , Jing SUN , Xiaoxia ZHANG , Yisheng XUE , Changlong XU , Ozcan OZTURK
CPC classification number: H04B7/0626 , H04W72/25 , H04J3/00
Abstract: Aspects of the disclosure relate to a user equipment (UE) for establishing a sidelink communication channel with a wireless network and perform time resource allocation of channel-state information reference signals (CSI-RS), as well as collision handling. The UE may receive a physical sidelink shared channel (PSSCH) signal via the sidelink communication, where the PSSCH includes one or more interlaced physical resource blocks. The UE may process time-division multiplexed CSI-RS in one or more resource blocks for triggering the PSSCH signal.
-
210.
公开(公告)号:US20230345503A1
公开(公告)日:2023-10-26
申请号:US18005053
申请日:2020-09-30
Applicant: QUALCOMM Incorporated
Inventor: Shaozhen GUO , Changlong XU , Jing SUN , Xiaoxia ZHANG
IPC: H04W72/232 , H04L1/00 , H04W72/044
CPC classification number: H04W72/232 , H04L1/0061 , H04L1/0041 , H04L1/0072 , H04W72/0466
Abstract: Apparatus, methods, and computer-readable media for transmission of downlink feedback information using downlink control information format 0_2 are disclosed herein. A user equipment (UE) may receive, from a base station on a first subband, a downlink control information (DCI) having a first predetermined DCI format or a second predetermined DCI format, in which the second predetermined DCI format has a length smaller than the first predetermined DCI format. The UE also may determine that the DCI indicates a downlink feedback information (DFI) based on one or more of an indication in the DCI or a first predetermined scrambling code associated with the DCI, when the DCI is received with the second predetermined DCI format
-
-
-
-
-
-
-
-
-