公开(公告)号：US09491647B2

公开(公告)日：2016-11-08

申请号：US14129255

申请日：2012-05-23

申请人： Ming Ding ,  Lei Huang ,  Zeng Yang ,  Yuan Luo

发明人： Ming Ding ,  Lei Huang ,  Zeng Yang ,  Yuan Luo

IPC分类号： H04W24/10 ,  H04W40/12 ,  H04W24/08 ,  H04B7/02 ,  H04B7/06

CPC分类号： H04W24/08 ,  H04B7/024 ,  H04B7/0626

摘要： A Channel State Information (CSI) feedback method and a User Equipment (UE) are provided for better support of Joint Transmission (JT) and Beamforming/Coordinated Scheduling (CB/CS). For JT, phase information for an adjacent Base Station (BS) is fed back. For CB/CS, enhanced CSI for an adjacent BS is fed back. The UE according to the present invention includes: a coordinated BS set determining unit configured for determining a set of coordinated BSs participating in multi-BS coordination, the set of coordinated BSs containing a serving BS and at least one non-serving BS; and a CSI feedback unit configured for feeding back CSI for JT or CB/CS for each non-serving BS in the set of coordinated BSs. The present invention has the advantages of simple implementation and low overhead and is applicable in LTE-A and 4G systems.

摘要翻译： 提供信道状态信息（CSI）反馈方法和用户设备（UE），以更好地支持联合传输（JT）和波束形成/协调调度（CB / CS）。 对于JT，反馈相邻基站（BS）的相位信息。 对于CB / CS，相邻BS的增强型CSI被反馈。 根据本发明的UE包括：配置用于确定参与多BS协调的一组协调BS的协调BS组确定单元，包含服务BS和至少一个非服务BS的协调BS组; 以及CSI反馈单元，被配置为反馈所述协作BS集合中的每个非服务BS的用于JT或CB / CS的CSI。 本发明具有实现简单，开销低的优点，适用于LTE-A和4G系统。

公开(公告)号：US20140126408A1

公开(公告)日：2014-05-08

申请号：US14129255

申请日：2012-05-23

申请人： Ming Ding ,  Lei Huang ,  Zeng Yang ,  Yuan Luo

发明人： Ming Ding ,  Lei Huang ,  Zeng Yang ,  Yuan Luo

IPC分类号： H04W24/08

CPC分类号： H04W24/08 ,  H04B7/024 ,  H04B7/0626

摘要： A Channel State Information (CSI) feedback method and a User Equipment (UE) are provided for better support of Joint Transmission (JT) and Beamforming/Coordinated Scheduling (CB/CS). For JT, phase information for an adjacent Base Station (BS) is fed back. For CB/CS, enhanced CSI for an adjacent BS is fed back. The UE according to the present invention includes: a coordinated BS set determining unit configured for determining a set of coordinated BSs participating in multi-BS coordination, the set of coordinated BSs containing a serving BS and at least one non-serving BS; and a CSI feedback unit configured for feeding back CSI for JT or CB/CS for each non-serving BS in the set of coordinated BSs. The present invention has the advantages of simple implementation and low overhead and is applicable in LTE-A and 4G systems.

摘要翻译： 提供信道状态信息（CSI）反馈方法和用户设备（UE），以更好地支持联合传输（JT）和波束形成/协调调度（CB / CS）。 对于JT，反馈相邻基站（BS）的相位信息。 对于CB / CS，相邻BS的增强型CSI被反馈。 根据本发明的UE包括：配置用于确定参与多BS协调的一组协调BS的协调BS组确定单元，包含服务BS和至少一个非服务BS的协调BS组; 以及CSI反馈单元，被配置为反馈所述协作BS集合中的每个非服务BS的用于JT或CB / CS的CSI。 本发明具有实现简单，开销低的优点，适用于LTE-A和4G系统。

公开(公告)号：US20130286881A1

公开(公告)日：2013-10-31

申请号：US13978220

申请日：2012-01-19

申请人： Ming Ding ,  Lei Huang ,  Zeng Yang ,  Renmao Liu

发明人： Ming Ding ,  Lei Huang ,  Zeng Yang ,  Renmao Liu

IPC分类号： H04W24/02

CPC分类号： H04L1/0003 ,  H04L5/0048 ,  H04W8/24 ,  H04W24/02 ,  H04W28/04 ,  H04W88/08

摘要： A Channel State Information (CSI) feedback method and a User Equipment (UE) are disclosed. The method comprises the following steps of: determining a set of coordinated Base Stations (BSs) participating multi-BS coordination, the set of coordination BSs containing a serving BS and at least one non-serving BS; for each BS in the set of coordinated BSs: calculating a Signal to Interference and Noise Ratio (SINR) for a channel between a UE and the BS based on a hypothetical BS coordination mode corresponding to the BS; and deriving a Channel Quality Index (CQI) corresponding to the calculated SINR and feeding back the derived CQI to the serving BS.

公开(公告)号：US09237562B2

公开(公告)日：2016-01-12

申请号：US13978755

申请日：2012-01-10

申请人： Zeng Yang ,  Ming Ding ,  Lei Huang ,  Renmao Liu

发明人： Zeng Yang ,  Ming Ding ,  Lei Huang ,  Renmao Liu

IPC分类号： H04L5/00 ,  H04W72/04 ,  H04W72/00 ,  H04W28/26 ,  H04W72/12 ,  H04W36/30 ,  H04W24/10 ,  H04W48/08

CPC分类号： H04W72/0413 ,  H04J2211/005 ,  H04L5/0032 ,  H04L5/0053 ,  H04L5/0073 ,  H04L5/0078 ,  H04W24/10 ,  H04W28/26 ,  H04W36/30 ,  H04W48/08 ,  H04W72/005 ,  H04W72/04 ,  H04W72/042 ,  H04W72/1268

摘要： A method of resource allocation for Channel State Information (CSI) feedback is provided, which comprises the following steps of: configuring, for a User Equipment (UE), a CSI feedback mode for each of a plurality of coordinated cells; allocating feedback resources required for CSI feedback by the UE for each of the plurality of coordinated cells based on the configured feedback modes, such that the CSI feedbacks for different coordinated cells will not collide with each other within one sub-frame; and notifying the configured feedback modes and the allocated feedback resources to the UE. In addition, a method of Channel State Information (CSI) feedback is provided, which comprises the following steps of: receiving, at a User Equipment (UE), from a Base Station (BS) information on configured feedback modes and allocated feedback resources for CSI feedback for a plurality of coordinated cells; feeding, by the UE, the CSI of the plurality of coordinated cells back to the BS over the allocated feedback resources based on the configured feedback modes; and solving, when feedback types underlying different feedback modes collide with each other within one sub-frame, the collision based on a collision solution rule.

摘要翻译： 提供了一种用于信道状态信息（CSI）反馈的资源分配方法，包括以下步骤：为用户设备（UE）配置用于多个协作小区中的每一个的CSI反馈模式; 基于所配置的反馈模式，为UE分配针对所述多个协作小区中的每一个的CSI反馈所需的反馈资源，使得针对不同协作小区的CSI反馈将不会在一个子帧内彼此冲突; 并将配置的反馈模式和分配的反馈资源通知给UE。 另外，提供了一种信道状态信息（CSI）反馈的方法，其包括以下步骤：在用户设备（UE）处从基站（BS）接收关于配置的反馈模式的信息和分配的反馈资源 针对多个协调小区的CSI反馈; 基于所配置的反馈模式，UE通过所分配的反馈资源将多个协作小区的CSI馈送回BS; 并且当基于不同反馈模式的反馈类型在一个子帧内相互碰撞时，解决基于碰撞解决规则的冲突。

公开(公告)号：US20130286991A1

公开(公告)日：2013-10-31

申请号：US13978755

申请日：2012-01-10

申请人： Zeng Yang ,  Ming Ding ,  Lei Huang ,  Renmao Liu

发明人： Zeng Yang ,  Ming Ding ,  Lei Huang ,  Renmao Liu

IPC分类号： H04W72/04

CPC分类号： H04W72/0413 ,  H04J2211/005 ,  H04L5/0032 ,  H04L5/0053 ,  H04L5/0073 ,  H04L5/0078 ,  H04W24/10 ,  H04W28/26 ,  H04W36/30 ,  H04W48/08 ,  H04W72/005 ,  H04W72/04 ,  H04W72/042 ,  H04W72/1268

摘要： A method of resource allocation for Channel State Information (CSI) feedback is provided, which comprises the following steps of: configuring, for a User Equipment (UE), a CSI feedback mode for each of a plurality of coordinated cells; allocating feedback resources required for CSI feedback by the UE for each of the plurality of coordinated cells based on the configured feedback modes, such that the CSI feedbacks for different coordinated cells will not collide with each other within one sub-frame; and notifying the configured feedback modes and the allocated feedback resources to the UE. In addition, a method of Channel State Information (CSI) feedback is provided, which comprises the following steps of: receiving, at a User Equipment (UE), from a Base Station (BS) information on configured feedback modes and allocated feedback resources for CSI feedback for a plurality of coordinated cells; feeding, by the UE, the CSI of the plurality of coordinated cells back to the BS over the allocated feedback resources based on the configured feedback modes; and solving, when feedback types underlying different feedback modes collide with each other within one sub-frame, the collision based on a collision solution rule.

摘要翻译： 提供了一种用于信道状态信息（CSI）反馈的资源分配方法，包括以下步骤：为用户设备（UE）配置用于多个协作小区中的每一个的CSI反馈模式; 基于所配置的反馈模式，为UE分配针对所述多个协作小区中的每一个的CSI反馈所需的反馈资源，使得针对不同协作小区的CSI反馈将不会在一个子帧内彼此冲突; 并将配置的反馈模式和分配的反馈资源通知给UE。 另外，提供了一种信道状态信息（CSI）反馈的方法，其包括以下步骤：在用户设备（UE）处从基站（BS）接收关于配置的反馈模式的信息和分配的反馈资源 针对多个协调小区的CSI反馈; 基于所配置的反馈模式，UE通过所分配的反馈资源将多个协作小区的CSI馈送回BS; 并且当基于不同反馈模式的反馈类型在一个子帧内相互碰撞时，解决基于碰撞解决规则的冲突。

公开(公告)号：US20130279363A1

公开(公告)日：2013-10-24

申请号：US13978761

申请日：2012-01-10

申请人： Lei Huang ,  Ming Ding ,  Zeng Yang ,  Renmao Liu

发明人： Lei Huang ,  Ming Ding ,  Zeng Yang ,  Renmao Liu

IPC分类号： H04W24/10

CPC分类号： H04W24/10 ,  H04L1/0027 ,  H04L5/001 ,  H04L5/0057 ,  H04L5/0085 ,  H04L5/0094

摘要： The present disclosure provides a method for triggering aperiodic Channel State Information (CSI) feedback used in a multiple coordinated cells multiple component carriers system. According to the present disclosure, a base station firstly semi-statically configures a user equipment to CoMP transmission modes, and/or information on measurement cells, and/or information on measurement component carriers by a high layer signaling (RRC signaling). Then, the base station dynamically initiates an aperiodic CSI feedback request to the user equipment by downlink control information (through PDCCH). When receiving the aperiodic CSI feedback request transmitted by the base station, the user equipment transmits measured aperiodic CSI to the base station through an uplink channel (PUSCH or PUCCH). According to the present invention, the method for triggering aperiodic CSI feedback in CoMP transmission modes can be flexibly configured, and good backward compatibility can be obtained at the same time. The above method is simple and effective, the system design complexity is low, and the design requirements for practical systems and LTE-Advanced evolved systems are met.

摘要翻译： 本公开提供一种用于触发在多个协同小区多分量载波系统中使用的非周期性信道状态信息（CSI）反馈的方法。 根据本公开，基站首先通过高层信令（RRC信令）半静态地将用户设备配置为CoMP传输模式，和/或关于测量小区的信息和/或关于测量分量载波的信息。 然后，基站通过下行链路控制信息（通过PDCCH）动态地向用户设备发起非周期性CSI反馈请求。 当接收到由基站发送的非周期CSI反馈请求时，用户设备通过上行链路信道（PUSCH或PUCCH）向基站发送测量的非周期性CSI。 根据本发明，可以灵活地配置用于触发CoMP传输模式中的非周期性CSI反馈的方法，并且可以同时获得良好的向后兼容性。 上述方法简单有效，系统设计复杂度低，符合实际系统和LTE-Advanced演进系统的设计要求。

公开(公告)号：US08934430B2

公开(公告)日：2015-01-13

申请号：US13500596

申请日：2010-10-28

申请人： Yingyu Zhang ,  Renmao Liu ,  Ming Ding ,  Yongming Liang ,  Zeng Yang

发明人： Yingyu Zhang ,  Renmao Liu ,  Ming Ding ,  Yongming Liang ,  Zeng Yang

IPC分类号： H04W4/00 ,  H04L5/00

CPC分类号： H04L5/0048 ,  H04B7/0426 ,  H04B7/0452 ,  H04L5/0023 ,  H04L5/0051 ,  H04L5/0091 ,  H04L5/0094 ,  H04W52/143 ,  H04W52/22 ,  H04W52/225 ,  H04W52/228 ,  H04W52/42

摘要： A method of notifying resource allocation for Demodulation Reference Signal (DMRS) is provided. A base station notifies to a user equipment a power offset value between an average EPRE value for data symbols and an average EPRE value for the DMRS at each layer in a semi-static or static manner. Also, the base station dynamically notifies to the user equipment a current channel rank or a current DMRS distribution pattern for the user equipment. The user equipment determines an allocated DMRS antenna port based on a correspondence between the received channel rank and an allocation of DMRS antenna port, thereby obtaining resource allocation information for the DMRS. The signaling overhead for power allocation in the system can be reduced, the efficiency of power amplifier can be improved and the flexibility of system scheduling can be increased. A method of notifying antenna port resource allocation for DMRS is also provided.

摘要翻译： 提供了一种通知资源分配解调参考信号（DMRS）的方法。 基站以半静态或静态方式向用户设备通知数据符号的平均EPRE值与每层的DMRS的平均EPRE值之间的功率偏移值。 此外，基站向用户设备动态地通知用户设备的当前信道等级或当前DMRS分布模式。 用户设备基于所接收的信道秩和DMRS天线端口的分配之间的对应关系确定分配的DMRS天线端口，从而获得DMRS的资源分配信息。 可以降低系统功率分配的信令开销，提高功率放大器的效率，提高系统调度的灵活性。 还提供了一种通知天线端口资源分配DMRS的方法。

公开(公告)号：US20130089064A1

公开(公告)日：2013-04-11

申请号：US13806034

申请日：2011-04-04

申请人： Ming Ding ,  Renmao Liu ,  Yingyu Zhang ,  Yongming Liang ,  Zeng Yang

发明人： Ming Ding ,  Renmao Liu ,  Yingyu Zhang ,  Yongming Liang ,  Zeng Yang

IPC分类号： H04W72/04 ,  H04B7/06

CPC分类号： H04W72/04 ,  H04B7/0626 ,  H04L1/0026 ,  H04L1/0027 ,  H04L1/06 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0057 ,  H04L5/0094 ,  H04W24/02 ,  H04W68/00

摘要： A method of resource allocation for Channel State Information (CSI) feedback is provided, which comprises the following steps of: configuring a downlink transmission approach and a feedback mode for each User Equipment (UE); allocating feedback resources required for CSI feedback by each UE based on the configured downlink transmission approach and feedback mode, such that different types underlying different feedback modes for a single UE will not collide with each other within one sub-frame; and notifying each UE of the corresponding configured downlink transmission approach and feedback mode and allocated feedback resources. Further, a method of Channel State Information (CSI) feedback is provided, which comprises the following steps of: feeding downlink CSI back to a base station (BS) based on a downlink transmission approach and a feedback mode configured by the BS; and solving, when different types underlying different feedback modes collide with each other within one sub-frame, the collision based on a collision solution rule.

摘要翻译： 提供了一种用于信道状态信息（CSI）反馈的资源分配方法，包括以下步骤：为每个用户设备（UE）配置下行链路传输方式和反馈模式; 基于所配置的下行链路传输方法和反馈模式，分配每个UE对CSI反馈所需的反馈资源，使得用于单个UE的不同反馈模式的不同类型将不会在一个子帧内彼此冲突; 并通知每个UE对应配置的下行链路传输方法和反馈模式以及分配的反馈资源。 此外，提供了一种信道状态信息（CSI）反馈的方法，包括以下步骤：基于下行链路传输方式和由BS配置的反馈模式将下行链路CSI馈送回基站（BS）; 并且当不同的反馈模式的不同类型在一个子帧内相互冲突时，解决基于碰撞解决规则的冲突。

公开(公告)号：US20130077704A1

公开(公告)日：2013-03-28

申请号：US13698372

申请日：2011-09-01

申请人： Ming Ding ,  Renmao Liu ,  Zeng Yang ,  Yongming Liang ,  Yingyu Zhang

发明人： Ming Ding ,  Renmao Liu ,  Zeng Yang ,  Yongming Liang ,  Yingyu Zhang

IPC分类号： H04B7/04

CPC分类号： H04B7/0486 ,  H04B7/063 ,  H04B7/0639 ,  H04B7/0658 ,  H04L1/0029 ,  H04L1/0073 ,  H04L25/03898 ,  H04W72/0413

摘要： The present invention provides a method and a coder for jointly coding Pre-coding Matrix Index #1 (W1) and Rank Index (RI) for channel state information feedback of a double codebook precoding frame. In the present invention, it is determined whether Rank Index RI is more than 2; if the RI is no more than 2, a first half branch of a coding binary tree is used to represent joint coding of the RI and W1 when RI=1 and RI=2; if the RI is more than 2, a second half branch of the coding binary tree is used to represent remaining separate codings and/or joint codings when the RI is more than 2; and processing results of the above coding steps are output. The present invention may be applied to an equal-length coding or an unequal-length coding. The present invention has advantages such as easy implementation, lower signaling overhead etc., and may be suitable for an LTE-A/4G cellular communication system and a future 5G cellular communication system.

摘要翻译： 本发明提供一种用于对双码本预编码帧的信道状态信息反馈共同编码预编码矩阵索引＃1（W1）和秩索引（RI）的方法和编码器。 在本发明中，确定秩索引RI是否大于2; 如果RI不超过2，当RI = 1和RI = 2时，编码二叉树的前半分支用于表示RI和W1的联合编码; 如果RI大于2，则当RI大于2时，编码二叉树的第二半分支用于表示剩余的单独编码和/或联合编码; 并输出上述编码步骤的处理结果。 本发明可以应用于等长编码或不等长编码。 本发明具有易于实现，较低的信令开销等优点，并且可适用于LTE-A / 4G蜂窝通信系统和未来的5G蜂窝通信系统。

公开(公告)号：US20120224551A1

公开(公告)日：2012-09-06

申请号：US13497542

申请日：2010-07-15

申请人： Ming Ding ,  Renmao Liu ,  Yongming Liang ,  Yingyu Zhang ,  Zeng Yang

发明人： Ming Ding ,  Renmao Liu ,  Yongming Liang ,  Yingyu Zhang ,  Zeng Yang

IPC分类号： H04W72/04 ,  H04W4/00

CPC分类号： H04L25/0204 ,  H04B7/024 ,  H04B7/0626 ,  H04B7/063 ,  H04L5/0023 ,  H04L5/0035 ,  H04L25/03343 ,  H04L2025/03426 ,  H04L2025/03808

摘要： The present invention discloses an information feedback method. The method comprises steps of a serving cell and/or a user equipment determining a cooperating cell set participating multi-antenna-multi-cell cooperation, the cooperating cell set including the serving cell and non-serving cells, the user equipment and/or the serving cell selecting transmit-ports of the serving cell and non-serving cells according to the determined cooperating cell set, the user equipment obtaining channel state information of the selected transmit-ports, and the user equipment feeding back identification information and the channel state information of the selected transmit-ports. The present invention provides also a serving cell, a cooperative cell and a user equipment for feeding back the identification information and channel state information of the selected transmit-ports. The present invention has advantages of simple implementation and less signaling overhead.

摘要翻译： 本发明公开了信息反馈方法。 该方法包括服务小区和/或用户设备确定参与多天线多小区协作的协作小区集合的步骤，所述协作小区组包括服务小区和非服务小区，用户设备和/ 根据所确定的协作小区集服务小区选择服务小区和非服务小区的发送端口，用户设备获取所选择的发送端口的信道状态信息，以及用户设备反馈识别信息和信道状态信息 的选择的发送端口。 本发明还提供一种服务小区，协作小区和用于反馈所选择的发送端口的标识信息和信道状态信息的用户设备。 本发明具有简单实现和较少信令开销的优点。