公开(公告)号：US20120207107A1

公开(公告)日：2012-08-16

申请号：US13371988

申请日：2012-02-13

申请人： Yingyang LI ,  Chengjun SUN ,  Xiaoqiang LI

发明人： Yingyang LI ,  Chengjun SUN ,  Xiaoqiang LI

IPC分类号： H04W72/04 ,  H04W52/22

CPC分类号： H04L5/0055 ,  H04L1/1861 ,  H04L5/001 ,  H04L5/0094 ,  H04W52/34 ,  H04W52/58 ,  H04W72/04

摘要： An apparatus and method for assigning an acknowledgement (ACK)/a negative acknowledgement (NACK) channel resources. The method includes setting a User Equipment (UE) to feed back Acknowledgement (ACK)/Negative Acknowledgement (NACK) information in a Carrier Aggregation (CA) mode; setting a Transmit Power Control (TPC) field of a Physical Downlink Controlling Channel (PDCCH) message to transmit an ACK/NACK Resource Indicator (ARI) information, when a Downlink Assigning Indicator (DAI) value of the PDCCH message of a Secondary cell (Scell) scheduled in a non cross-carrier manner is 1; setting the TPC field to transmit a TPC command for the ACK/NACK feedback information, when the DAI value is greater than 1; and transmitting the PDCCH message and downlink data to the UE.

摘要翻译： 一种用于分配确认（ACK）/否定确认（NACK）信道资源的装置和方法。 该方法包括：设置用户设备（UE）在载波聚合（CA）模式中反馈确认（ACK）/否定确认（NACK）信息; 设置物理下行链路控制信道（PDCCH）消息的发射功率控制（TPC）字段来发送ACK / NACK资源指示符（ARI）信息，当二级小区的PDCCH消息的下行链路分配指示符（DAI） 以非交叉方式安排的Scell为1; 当DAI值大于1时，设置TPC字段以发送用于ACK / NACK反馈信息的TPC命令; 并向UE发送PDCCH消息和下行链路数据。

公开(公告)号：US20120188926A1

公开(公告)日：2012-07-26

申请号：US13355378

申请日：2012-01-20

申请人： Yingyang Li ,  Chengjun Sun ,  Xiaoqiang Li

发明人： Yingyang Li ,  Chengjun Sun ,  Xiaoqiang Li

IPC分类号： H04W74/02 ,  H04W52/02

CPC分类号： H04L1/1614 ,  H04L1/1692

摘要： A method for feeding Acknowledgement/Negative Acknowledgement (ACK/NACK) information by a User Equipment (UE) in a wireless communication system includes: the UE configured to receive Physical Downlink Control Channel (PDCCH) information from a base station (BS). The UE also receives downlink data from the BS based on the PDCCH information. The UE generates an ACK/NACK feedback information corresponding to the downlink data. Thereafter, the UE determines a feedback status of the UE from among a plurality of feedback statuses according to a number of consecutive ACKs starting from a first data sub-frame in a binding window of the ACK/NACK feedback information. Further, the UE feeds back information on the determined feedback status to the BS.

摘要翻译： 一种用于在无线通信系统中由用户设备（UE）馈送确认/否定确认（ACK / NACK）信息的方法包括：所述UE被配置为从基站（BS）接收物理下行链路控制信道（PDCCH）信息。 UE还基于PDCCH信息从BS接收下行链路数据。 UE生成与下行数据对应的ACK / NACK反馈信息。 此后，UE根据从ACK / NACK反馈信息的绑定窗口中的第一数据子帧开始的连续ACK的数量，从多个反馈状态中确定UE的反馈状态。 此外，UE将所确定的反馈状态的信息反馈给BS。

公开(公告)号：US20110261679A1

公开(公告)日：2011-10-27

申请号：US13141914

申请日：2009-12-30

申请人： Yingyang Li ,  Xiaoqiang Li

发明人： Yingyang Li ,  Xiaoqiang Li

IPC分类号： H04L12/26

CPC分类号： H04L1/1812 ,  H04L1/1854 ,  H04L5/0053 ,  H04L27/2601

摘要： A method for transmitting HARQ-ACK, for N downlink component carriers and 1 uplink component carrier, transmitting HARQ-ACK information of N downlink component carriers in HARQ-ACK channel of an uplink component carrier, one of N downlink component carrier being a reference downlink component carrier, comprising steps of: on consecutive HARQ-ACK channels beginning with the first of N downlink component carrier, transmitting HARQ-ACK for CCE in the reference downlink component carrier; and on consecutive HARQ-ACK channels beginning with N(I)PUCCH, N(I)PUCCH+f(k) transmitting HARQ-ACK for CCE in other downlink component carriers, wherein k is information related to downlink component carrier. The method of this invention can reduce the HARQ-ACK channel overhead of uplink component carrier and the limitations on the flexibility of the scheduler in the base station.

摘要翻译： 一种用于对于N个下行链路分量载波和1个上行链路分量载波发送HARQ-ACK的方法，用于在上行链路分量载波的HARQ-ACK信道中发送N个下行链路分量载波的HARQ-ACK信息，N个下行链路分量载波中的一个作为参考下行链路 分量载波，包括以下步骤：在从N个下行链路分量载波中的第一个开始的连续HARQ-ACK信道上，在所述参考下行链路分量载波中发送用于CCE的HARQ-ACK; 以及以N（I）PUCCH开始的连续HARQ-ACK信道，在其他下行链路分量载波中发送用于CCE的HARQ-ACK的N（I）PUCCH + f（k），其中k是与下行链路分量载波相关的信息。 本发明的方法可以减少上行链路分量载波的HARQ-ACK信道开销和基站中调度器的灵活性的限制。

公开(公告)号：US20110103250A1

公开(公告)日：2011-05-05

申请号：US12917957

申请日：2010-11-02

申请人： Yingyang Li ,  Xiaoqiang Li

发明人： Yingyang Li ,  Xiaoqiang Li

IPC分类号： H04W72/04 ,  H04L12/26

CPC分类号： H04W76/27 ,  H04B7/0452

摘要： A method and apparatus for transmitting a dedicated reference signal (DRS) are provided, the method including determining, by a base station, whether user equipments (UEs) participating in multiple users-multiple input multiple output (MU-MIMO) at the same physical resource block (PRB) belong to the same cell, if yes, configuring that the UEs adopt a cell-specific scrambling code sequence; otherwise, configuring that the UEs located in the cells belonging to the same cell group adopt a cell group-specific scrambling code sequence; sending, by the base station, configuration information to the UE, and sending a DRS to the UE by using the scrambling code sequence configured for the UE; an initialization code of the cell-specific scrambling code sequence is determined according to an identity of the cell in which the UE is located; an initialization code of the cell group-specific scrambling code sequence is determined according to an identity of the cell group. As such, the UE can restrain DRS interferences between different cells when receiving the DRS and improve the precision of the channel estimation.

摘要翻译： 提供了一种用于发送专用参考信号（DRS）的方法和装置，所述方法包括由基站确定参与多个用户的用户设备（UE） - 相同物理上的多输入多输出（MU-MIMO） 资源块（PRB）属于相同的小区，如果是，则配置UE采用小区特定的扰码序列; 否则，配置属于同一小区组的小区中的UE采用小区组专用扰码序列; 由基站向UE发送配置信息，并通过使用为UE配置的扰码序列向UE发送DRS; 根据UE所在的小区的身份确定小区特定扰码编码序列的初始化码; 根据小区组的身份来确定小区组特定扰码序列的初始化码。 因此，当接收DRS时，UE可以抑制不同小区之间的DRS干扰，提高信道估计的精度。

公开(公告)号：US20090323664A1

公开(公告)日：2009-12-31

申请号：US12491792

申请日：2009-06-25

申请人： Yingyang Li ,  Xiaoqiang Li

发明人： Yingyang Li ,  Xiaoqiang Li

IPC分类号： H04L27/28 ,  H04J1/00

CPC分类号： H04L5/0048 ,  H04L5/0007 ,  H04L5/0051 ,  H04L5/14 ,  H04L27/2611

摘要： A method for transmitting an uplink Sounding Reference Signal (SRS) by a Long Term Evolution (LTE) User Equipment (UE). The UE receives information indicating an SRS transmission, generates an SRS, and transmits the SRS in two OFDM symbol in a half-frame or frame, if the information indicates that a period of SRS transmission is 2 ms.

摘要翻译： 一种用于通过长期演进（LTE）用户设备（UE）发送上行探测参考信号（SRS）的方法。 如果信息指示SRS传输的周期为2ms，则UE接收指示SRS传输的信息，生成SRS，并以半帧或帧的两个OFDM符号发送SRS。

公开(公告)号：US20090316756A1

公开(公告)日：2009-12-24

申请号：US12489064

申请日：2009-06-22

申请人： Sang-Min RO ,  Joon-Young CHO ,  Ju-Ho Lee ,  Yingyang Li ,  Jin-Kyu Han

发明人： Sang-Min RO ,  Joon-Young CHO ,  Ju-Ho Lee ,  Yingyang Li ,  Jin-Kyu Han

IPC分类号： H04B1/713 ,  H04B7/00

CPC分类号： H04B7/0608 ,  H04B1/713 ,  H04B1/715 ,  H04B7/0684 ,  H04B7/0897 ,  H04B2201/698 ,  H04J13/0074 ,  H04L5/0016 ,  H04L5/0048 ,  H04L5/0051 ,  H04W72/04 ,  H04W72/0413

摘要： A sounding reference signal transmission method which is efficient in an uplink wireless telecommunications system using a multiple antenna technique and sounding reference signal hopping. A terminal using the multiple antenna technique is equipped with a plurality of antennas, and a base station receives the sounding reference signal transmitted from these antennas and estimates the uplink channel state of each antenna. Moreover, the sounding reference signal performs frequency hopping so that the base station determines the channel condition for the entire bandwidth to which data is transmitted in the uplink system. The sounding reference signal is transmitted through an antenna pattern in which the sounding reference signal can be transmitted through the entire data transmission bandwidth of the uplink system for each antenna of the terminal without additional overhead in this environment.

摘要翻译： 一种在使用多天线技术和探测参考信号跳频的上行链路无线电信系统中有效的探测参考信号传输方法。 使用多天线技术的终端配备有多个天线，并且基站接收从这些天线发送的探测参考信号，并估计每个天线的上行链路信道状态。 此外，探测参考信号执行跳频，使得基站确定在上行链路系统中发送数据的整个带宽的信道条件。 通过天线方向发送探测参考信号，其中可以通过终端的每个天线的上行链路系统的整个数据传输带宽发送探测参考信号，而无需额外的开销。

公开(公告)号：US20210251016A1

公开(公告)日：2021-08-12

申请号：US17180034

申请日：2021-02-19

申请人： Gang Xiong ,  Debdeep Chatterjee ,  Yingyang Li

发明人： Gang Xiong ,  Debdeep Chatterjee ,  Yingyang Li

IPC分类号： H04W74/08 ,  H04W74/00 ,  H04W72/12 ,  H04W72/14 ,  H04L1/00

摘要： Systems for providing coverage enhancement for Msg 3 PUSCH and PUCCH carrying the HARQ-ACK for Msg4 of PRACH initial access are described. The gNB provides a 2-bit aggregation factor for transmission of the Msg3 PUSCH in an RAR UL grant field. The PUSCH frequency resource allocation field is limited to 12 bits so that the RAR has an overall number of bits that is the same as an RAR that does not contain the aggregation factor. A default PUSCH TDRA table includes a field to indicate a repetition level for Msg3 PUSCH transmission. For retransmissions, fields in DCI format 0_0 are repurposed to indicate an aggregation factor. Inter-slot frequency hopping may be configured by higher layers. Different PRACH resources are used to indicate UE coverage status.

公开(公告)号：US20210136800A1

公开(公告)日：2021-05-06

申请号：US17145639

申请日：2021-01-11

申请人： Yingyang Li ,  Gang Xiong ,  Bishwarup Mondal ,  Dae Won Lee

发明人： Yingyang Li ,  Gang Xiong ,  Bishwarup Mondal ,  Dae Won Lee

IPC分类号： H04W72/12 ,  H04W48/10 ,  H04W72/00 ,  H04W72/04

摘要： A generation-Node B (gNB) configured for unlicensed spectrum operation above 52.6 GHz in a fifth-generation new-radio (NR) system (5GS) may encode a parameter (e.g., ssb-PositionsInBurst) for transmission to a UE (e.g., in the SIM or UE specific RRC signalling). The parameter may indicate candidate positions of synchronization signal blocks (SSBs) within a discovery reference signal (DRS) measurement timing configuration (DMTC) transmission window within slots of a system frame (SFN). During the DMTC window, the gNB may perform a LBT procedure on an unlicensed carrier of the unlicensed spectrum to determine if the unlicensed carrier is available. When the LBT is successful (i.e., the unlicensed carrier is available), the gNB may encode a discovery reference signal (DRS) for transmission on the unlicensed carrier. The DRS may include one or more of the SSBs transmitted during the candidate positions that fall within the DRS. The gNB may perform rate matching around the SSBs for a scheduled PDSCH based on the indicated parameter and transmit the rate-matched PDSCH.

公开(公告)号：US20210105102A1

公开(公告)日：2021-04-08

申请号：US17061215

申请日：2020-10-01

申请人： Yingyang Li ,  Yongjun Kwak

发明人： Yingyang Li ,  Yongjun Kwak

IPC分类号： H04L1/18 ,  H04W72/04 ,  H04W74/08

摘要： A user equipment (UE) configured for operation in a fifth-generation new radio (5G NR) system may be configured for Type-2 Hybrid automatic repeat request (HARQ) acknowledge (ACK) (HARQ-ACK) codebook grouping and HARQ-ACK retransmission. The UE may decode a downlink control information (DCI) format for scheduling a physical downlink shared channel (PDSCH) group of one or more PDSCHs. The DCI format may include a downlink assignment index (DAI) comprising a counter DAI (C-DAI) for the scheduled PDSCH group. The DCI format may also include a total DAI (T-DAI) for at least one of the scheduled PDSCH group and a non-scheduled PDSCH group. When the DCI format includes a new feedback indicator field for at least one of the scheduled PDSCH group and the non-scheduled PDSCH group, the UE may multiplex HARQ-ACK bits only for PDSCH receptions for transmission in a PUCCH transmission occasion scheduled by the DCI format and may refrain from multiplexing HARQ-ACK bits for PDSCH receptions that are not scheduled by the DCI format. For HARQ-ACK retransmission, the UE may retransmit HARQ-ACK bits from more than one PDSCH group in the PUCCH transmission occasion.

公开(公告)号：US09363049B2

公开(公告)日：2016-06-07

申请号：US13453582

申请日：2012-04-23

申请人： Yingyang Li ,  Chengjun Sun

发明人： Yingyang Li ,  Chengjun Sun

IPC分类号： H04W72/04 ,  H04L5/00 ,  H04L1/18

CPC分类号： H04L5/001 ,  H04L1/1822 ,  H04L1/1887 ,  H04L1/1893 ,  H04L5/0055

摘要： A method and apparatus for supporting synchronous Hybrid Automatic Repeat reQuest (HARQ) transmission of Uplink are disclosed. When uplink/downlink configurations of multiple CA cellsrrier Aggregation (CA) are different, by configuring the HARQ transmission timing relations of primary cell and secondary cell, it is guaranteed that, with cross-carrier scheduling, the timing relation between a transmission of PUSCH in the Pcell and subsequent retransmission of PUSCH in the Scell is the same as that in Long Term Evolution (LTE) and LTE Advanced (LTE-A).

摘要翻译： 公开了一种用于支持上行链路的同步混合自动重发请求（HARQ）传输的方法和装置。 当多个CA信元聚合（CA）的上行链路/下行链路配置不同时，通过配置主小区和二次小区的HARQ传输定时关系，可以保证通过跨载波调度，PUSCH的传输中的定时关系 Scell中的Pcell和PUSCH的后续重传与长期演进（LTE）和LTE高级（LTE-A）中的相同。