公开(公告)号：US20160337018A1

公开(公告)日：2016-11-17

申请号：US15150991

申请日：2016-05-10

Applicant: MEDIATEK INC.

Inventor： Chien-Hwa Hwang ,  Yi-Ju Liao ,  Lung-Sheng Tsai ,  Pei-Kai Liao

IPC: H04B7/04 ,  H04W72/04 ,  H04L5/00

CPC classification number: H04B7/0452 ,  H04B7/0426 ,  H04J11/004 ,  H04J15/00 ,  H04L5/003 ,  H04L5/0051 ,  H04L25/0206 ,  H04W52/143 ,  H04W52/325 ,  H04W52/346

Abstract: A method of performing downlink multiuser superposition transmission (MUST) when different precoders are applied to superposed signals is proposed. For demodulation reference signal (DM-RS) transmission mode, the near-user can estimate the far-user's channel by means of separate DM-RS symbols. For common reference signal (CRS) transmission mode, the near-user can blindly detect code far-user's precoder that is not signaled to the near-user. As a result, even the downlink control information (DCI) format is designed for the situation using the same precoder for superposed signals, the MUST scheme works and the near-user receiver can separate the superposed signal for the far-user.

Abstract translation: 提出了当对叠加的信号应用不同的预编码器时执行下行链路多用户叠加传输（MUST）的方法。 对于解调参考信号（DM-RS）传输模式，近用户可以通过单独的DM-RS符号估计远用户的信道。 对于公共参考信号（CRS）传输模式，近用户可以盲目检测未向近邻用户发送信号的远程用户预编码器。 结果，即使对于叠加信号使用相同的预编码器的情况也设计了下行链路控制信息（DCI）格式，所以MUST方案工作，并且近用户接收机可以分离用于远用户的叠加信号。

公开(公告)号：US20160192383A1

公开(公告)日：2016-06-30

申请号：US14980867

申请日：2015-12-28

Applicant: MEDIATEK INC.

Inventor： Chien-Hwa Hwang ,  Yi-Ju Liao ,  Tze-Ping Low ,  Lung-Sheng Tsai

IPC: H04W72/12 ,  H04W72/04 ,  H04L1/18

CPC classification number: H04L1/1812 ,  H04L1/0067 ,  H04L1/1822 ,  H04L1/1845 ,  H04L1/1896 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0053 ,  H04L5/0069 ,  H04L5/14 ,  H04W28/065 ,  H04W28/22 ,  H04W52/243 ,  H04W52/262 ,  H04W52/267 ,  H04W72/12 ,  H04W72/1252

Abstract: When the codeword level interference cancellation (CW-IC) is used at the receiver in conjunction with the superposition coding scheme at the transmitter, it is helpful if the soft buffer at the receiver is reserved not only for the desired transport blocks (TBs) but also for the interfering TBs handled by the CW-IC. In so doing, the soft channel bits of interfering TBs at multiple (re)transmissions can be combined to enhance the success rate of data decoding. A soft buffer partition method for the soft channel bits of the desired and interfering TBs in the superposition coding scheme is proposed. The proposed method has a full flexibility in adjusting the soft buffer sizes for the desired and interfering TBs.

Abstract translation: 当在发射机处结合重叠编码方案在接收机处使用码字电平干扰消除（CW-IC）时，如果在接收机处的软缓冲器不仅被保留在期望的传输块（TB），而且 也用于CW-IC处理的干扰性TB。 在这样做时，可以组合多个（重新）传输的干扰TB的软信道比特以提高数据解码的成功率。 提出了一种用于叠加编码方案中期望和干扰TB的软信道比特的软缓冲区分割方法。 所提出的方法在调整所需和干扰TB的软缓冲区大小方面具有完全的灵活性。

公开(公告)号：US20240297707A1

公开(公告)日：2024-09-05

申请号：US18406271

申请日：2024-01-08

Applicant: MEDIATEK INC.

Inventor： Lung-Sheng Tsai

IPC: H04B7/155 ,  H04L5/00 ,  H04L5/14

CPC classification number: H04B7/15557 ,  H04L5/0092 ,  H04L5/14

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The UE receives, in a first slot, downlink data signals from a base station on a first component carrier (CC). The UE transmits, in a second slot, uplink data signals supposed to be received on the first CC by the base station on a second CC.

公开(公告)号：US20240178961A1

公开(公告)日：2024-05-30

申请号：US18512327

申请日：2023-11-17

Applicant: MEDIATEK INC.

Inventor： Lung-Sheng Tsai ,  Chun-Hao Fang ,  Wei-Kai Chang ,  Chia-Hao Yu ,  Pei-Kai Liao

IPC: H04L5/00

CPC classification number: H04L5/0048 ,  H04L5/0005 ,  H04L5/0053

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a first wireless device. The first wireless device receives, from a base station, a configuration of first reference signals on a first time-frequency resource. The first wireless device measures the first reference signals received from the base station to obtain first measurements for a direct path between the base station and the first wireless device. The first wireless device obtains second measurements for an indirect path between the base station and the first wireless device via a second wireless device. The first wireless device selects a communication path from the direct path and the indirect path based at least in part on the first measurements and the second measurements.

公开(公告)号：US20240155483A1

公开(公告)日：2024-05-09

申请号：US18241971

申请日：2023-09-04

Applicant: MediaTek Inc.

Inventor： Chun-Hao Fang ,  Lung-Sheng Tsai

IPC: H04W48/20 ,  H04B17/318

CPC classification number: H04W48/20 ,  H04B17/328

Abstract: Examples pertaining to a user equipment (UE) performing a cell selection during device collaboration with a wireless device are described. A UE receives a reference signal received power (RSRP) measurement result from the wireless device or from a network node of a wireless network. The RSRP measurement result includes a first list indicating at least one RSRP transmitted from at least one candidate cell to the wireless device. The UE perform a cell selection based on at least one of the first list and a second list. The second list indicates at least one RSRP transmitted from the at least one candidate cell to the apparatus. The UE determines a serving cell from the at last one candidate cell based on the cell selection.

公开(公告)号：US20240121814A1

公开(公告)日：2024-04-11

申请号：US18243738

申请日：2023-09-08

Applicant: MEDIATEK INC.

Inventor： Kuan-Yuan Chen ,  Lung-Sheng Tsai

IPC: H04W72/563 ,  H04W48/20 ,  H04W52/36 ,  H04W72/0446 ,  H04W72/0453

CPC classification number: H04W72/563 ,  H04W48/20 ,  H04W52/367 ,  H04W72/0446 ,  H04W72/0453

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The UE determines a priority order among a first set of time-frequency resources for a first uplink channel to a base station and one or more second sets of time-frequency resources for one or more second uplink channels to one or more repeaters. The UE allocates transmission power across the first set of time-frequency resources and the one or more second sets of time-frequency resources based on the determined priority order and a maximum transmission power limit. The UE transmits signals to the base station and the one or more repeaters based on the transmission power allocation.

公开(公告)号：US20240080072A1

公开(公告)日：2024-03-07

申请号：US18229280

申请日：2023-08-02

Applicant: MEDIATEK INC.

Inventor： Lung-Sheng Tsai

IPC: H04B7/0456

CPC classification number: H04B7/0482

Abstract: A UE receives a first precoder indication from a base station. The first precoder indication indicates a first precoder for a first antenna panel. The UE receives a second precoder indication from the base station. The second precoder indication indicates a second precoder for a second antenna panel. The UE receives an indication of first time-frequency resources from the base station for communicating via the first antenna panel. The UE receives an indication of second time-frequency resources from the base station for communicating via the second antenna panel. The UE transmits first signals generated according to the first precoder indication through the first antenna panel on the first time-frequency resources. The UE transmits second signals generated according to the second precoder indication through the second antenna panel on the second time-frequency resources.

公开(公告)号：US20240007178A1

公开(公告)日：2024-01-04

申请号：US18205640

申请日：2023-06-05

Applicant: Mediatek Inc.

Inventor： Lung-Sheng Tsai

IPC: H04B7/155 ,  H04L5/00

CPC classification number: H04B7/15542 ,  H04L5/0023

Abstract: A first repeater obtains a second set of MT baseband signals, with each baseband signal in the second set corresponding to one of the MT transmission antennas, and MT being a positive integer. The first repeater divides the MT transmission antennas into groups, with each group containing a predetermined number of antennas not exceeding NR, and NR being the number of reception antennas at a UE and a positive integer. The first repeater allocates a first subset of L second transmission time intervals associated with a second SCS to the groups of transmission antennas, with the L second transmission time intervals corresponding to a first transmission time interval associated with a first SCS. The first repeater transmits RF signals on a second carrier frequency and carrying a subset of the second set of MT baseband signals, in each interval of the first subset of the L second transmission time intervals.

公开(公告)号：US11743867B2

公开(公告)日：2023-08-29

申请号：US17702902

申请日：2022-03-24

Applicant: Mediatek Inc.

Inventor： Lung-Sheng Tsai ,  Chien-Hwa Hwang ,  Yi-Ju Liao

IPC: H04L5/00 ,  H04W72/02 ,  H04W72/04 ,  H04W8/24 ,  H04L29/12 ,  H04W88/02 ,  H04W72/12 ,  H04L25/02 ,  H04W72/1273 ,  H04W52/02 ,  H04L1/00

CPC classification number: H04W72/02 ,  H04W72/1273 ,  H04L1/0038 ,  H04L5/0098 ,  H04W52/0229

Abstract: A UE determines N1 component carriers on each of which the UE is configured to detect a respective one PDCCH in a slot. The UE determines N2 component carriers on each of which the UE is configured to detect respective at least two PDCCHs in the slot. The UE determines a total Q blind detections of PDCCH that the UE is capable of performing. The UE determines a first predetermined scaling factor X. The UE allocates M1 blind detections of the Q blind detections to be available on each of the N1 component carriers and M2 blind detections of the Q blind detections to be available on each of the N2 component carriers such that (N1*M1+N2*M2) is a largest integer no greater than Q. M2 equals to X*M1. The UE performs blind detections in accordance with the allocations.

公开(公告)号：US11616552B2

公开(公告)日：2023-03-28

申请号：US17114851

申请日：2020-12-08

Applicant: Mediatek Inc.

Inventor： Lung-Sheng Tsai ,  Weidong Yang

IPC: H04B7/06 ,  H04B17/382 ,  H04W24/10 ,  H04W72/12

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The UE determines that the UE possesses T processing units for calculation of channel state information (CSI) reports. The UE transmits, to a base station, an indication indicating the T processing units. The UE receives, from the base station, a trigger for updating or providing M CSI reports. The UE determines that P processing units of the T processing units are available for calculation of CSI reports. The UE updates or provides N CSI reports. N is an integer smaller than or equal to M and allows processing units assigned for calculation of the N CSI reports to be smaller than or equal to the P processing units.