-
公开(公告)号：US09661622B2
公开(公告)日：2017-05-23
申请号：US14396637
申请日：2013-04-19
Inventor： Rui Zhao , Xueming Pan , Rakesh Tamrakar , Ranran Zhang
CPC classification number: H04W72/042 , H04L1/0038 , H04L1/0072 , H04L5/0051 , H04L5/0053 , H04L5/0058 , H04W24/00
Abstract: The present invention relates to the field of communications, and provides a method and a device for enhanced-physical downlink control channel (E-PDCCH) transmission and blind detection. The method is: a network side carrying out corresponding E-PDCCH transmission resource configuration for allocation of each sub-frame; and a terminal respectively adopting different modes to perform E-PDCCH blind detection in each frame, so that better link adaptation of the E-PDCCH transmission can be implemented. Therefore, the balance of E-PDCCH transmission in the sub-frames is ensured, the effect of E-PDCCH blind detection of the terminal is further improved, and the E-PDCCH demodulation performance is further promoted.
-
公开(公告)号：US09363064B2
公开(公告)日：2016-06-07
申请号：US14407464
申请日：2013-06-09
Inventor： Qiubin Gao , Ranran Zhang , Hao Ni , Ying Peng
CPC classification number: H04L5/0057 , H04B7/024 , H04B7/0417 , H04B7/0486 , H04B7/0619 , H04B7/063 , H04B7/0632 , H04B7/0639 , H04B7/066 , H04B17/309 , H04L1/0026 , H04L1/0029 , H04L5/0035 , H04L5/0048 , H04L5/0053
Abstract: The present invention relates to the field of communications. Disclosed are a CoMP transmission feedback method, device and system, the method comprising: determining an inter-mode reference relationship between at least two configured modes according to configuration information transmitted by a base station (s101); at each feedback instance. determining the parameter in the current mode via the parameter in a reference mode and according to the reference relationship between modes (s102); and feeding back the channel state information containing the parameter in the current mode according to the configuration of the current mode (s103). The present invention realizes the sharing of pre-coding matrix indicator/rank indicator (PMI/RI) information among a plurality of channel quality indicators (CQIs) having different interference assumptions, and realizes the sharing of RI information among different transmission points, thus achieving a dependency relationship among a plurality of feedback modes.
Abstract translation: 本发明涉及通信领域。 公开了一种CoMP传输反馈方法，装置和系统，所述方法包括：根据基站发送的配置信息确定至少两种配置模式之间的模式间参考关系（s101）; 在每个反馈实例。 通过参考模式中的参数并根据模式之间的参考关系确定当前模式中的参数（s102）; 并且根据当前模式的配置反馈当前模式中包含参数的信道状态信息（s103）。 本发明实现了在具有不同干扰假设的多个信道质量指示符（CQI）之间共享预编码矩阵指示符/秩指示符（PMI / RI）信息，并且实现了在不同传输点之间共享RI信息，从而实现 多个反馈模式之间的依赖关系。
-
公开(公告)号：US20140307691A1
公开(公告)日：2014-10-16
申请号：US14356140
申请日：2012-09-21
Inventor： Ranran Zhang , Xin Su , Jing Xu , Meifang Jing , Rui Zhao
IPC: H04L5/00
CPC classification number: H04L5/0007 , H04B7/068 , H04B7/12 , H04L1/0606 , H04L1/0618 , H04L5/0051
Abstract: Embodiments of the present application relate to the technical field of wireless communications, and particularly to an information transmission method, system, and device, used for implement transmission, within an OFDM symbol comprising a UERS, in a sending diversity manner. The information transmission method of the embodiment of the present invention comprises: a network-side device determining an OFDM symbol comprising a UERS; and within the OFDM symbol comprising the UERS, the network-side device sending information in a sending diversity manner by freeing up an available RE or adjusting the sending diversity manner. In the embodiments of the present application, the information can be transmitted in the OFDM symbol comprising the UERS in a sending diversity manner by freeing up a part of available REs or by adjusting the sending diversity manner, thereby improving the utilization ratio of resources.
Abstract translation: 本发明的实施例涉及无线通信的技术领域，特别是涉及用于实现传输的信息传输方法，系统和设备，其包括以发送分集方式包括UERS的OFDM符号。 本发明实施例的信息传输方法包括：确定包括UERS的OFDM符号的网络侧设备; 并且在包括UERS的OFDM符号内，网络侧设备以发送分集方式发送信息，通过释放可用的RE或调整发送分集方式。 在本申请的实施例中，可以通过释放可用RE的一部分或通过调整发送分集方式，以发送分集方式在包括UERS的OFDM符号中发送信息，从而提高资源的利用率。
-
公开(公告)号：US09596066B2
公开(公告)日：2017-03-14
申请号：US14400316
申请日：2013-05-10
Inventor： Hao Ni , Qiubin Gao , Ranran Zhang , Ying Peng
CPC classification number: H04L5/0048 , H04B7/0626 , H04L1/0026 , H04L1/0028 , H04L5/0035 , H04L5/0091 , H04W24/10
Abstract: Disclosed are a multipoint channel state information reporting method and device. The technical solution of the embodiments of the present invention can be applied to configure a corresponding reporting mode for a reference signal resource pair composed of a channel sounding reference signal resource and an interference sounding reference signal resource which are allocated to a terminal device or configure a plurality of channel state information reporting configurations containing corresponding reporting modes, and allocate to each channel state information reporting configuration a reference signal resource pair composed of a channel sounding reference signal resource and an interference sounding reference signal resource; then, the terminal device report channel state information about corresponding reference signal resource pairs according to corresponding report modes, thereby achieving the purpose that the terminal device reports the channel state information for the one or more transmission points on one or more interference assumptions.
Abstract translation: 公开了一种多点信道状态信息报告方法和装置。 本发明实施例的技术方案可应用于配置由分配给终端设备的信道探测参考信号资源和干扰探测参考信号资源组成的参考信号资源对的相应报告模式，或者配置 多个信道状态信息报告配置，包括相应的报告模式，并且向每个信道状态信息报告配置分配由信道探测参考信号资源和干扰探测参考信号资源组成的参考信号资源对; 终端设备根据相应的报告模式报告关于对应的参考信号资源对的信道状态信息，从而实现终端设备在一个或多个干扰假设上报告一个或多个传输点的信道状态信息的目的。
-
公开(公告)号：US09426799B2
公开(公告)日：2016-08-23
申请号：US14383319
申请日：2013-03-07
Inventor： Rakesh Tamrakar , Xueming Pan , Rui Zhao , Ranran Zhang
CPC classification number: H04W72/042 , H04L5/0023 , H04L5/0048 , H04L5/0053 , H04L5/0094
Abstract: The present disclosure provides a method and an apparatus for determining number of ePDCCH resource units. The method includes: determining number of symbols occupied by PDCCH, number of CRS ports, number of DMRS ports and CSI-RS configuration in a subframe; and determining resources available for transmitting an ePDCCH in PDSCH area of the subframe according to the number of symbols occupied by the PDCCH, the number of CRS ports, the number of DMRS ports and the CSI-RS configuration.
Abstract translation: 本公开提供了一种用于确定ePDCCH资源单元数量的方法和装置。 该方法包括：确定子帧占用的符号数，CRS端口数，DMRS端口数和CSI-RS配置; 以及根据PDCCH占用的符号数，CRS端口数，DMRS端口数和CSI-RS配置，确定可用于在子帧的PDSCH区域中发送ePDCCH的资源。
-
Patent Agency Ranking
6.发明授权公开(公告)号：US09577721B2
公开(公告)日：2017-02-21
申请号：US15156397
申请日：2016-05-17
Inventor： Qiubin Gao , Ranran Zhang , Wenhong Chen , Ying Peng , Hui Li
IPC: H04B7/02 , H04L1/00 , H04B7/04 , H04L5/00 , H04W24/08 , H04W72/02 , H04W72/04 , H04W72/06 , H04B7/06 , H04L12/24 , H04W24/10
CPC classification number: H04B7/024 , H04B7/0417 , H04B7/0621 , H04B7/0626 , H04L1/0026 , H04L5/0035 , H04L5/0048 , H04L5/0057 , H04L41/0806 , H04W24/08 , H04W24/10 , H04W72/02 , H04W72/0413 , H04W72/06
Abstract: An information transmission method and equipment based on CoMP transmission are described. A user equipment determines a main transmission point. The user equipment determines RANK information of the main transmission point as well as channel state information corresponding to the RANK information. The user equipment sends the RANK information of the main transmission point and the channel state information to a network side equipment. The UE reports channel state information of limited RANK of every transmission point, channel state information of unlimited RANK of the main transmission point, and relative phase information between the transmission points, etc., to the network side equipment.
Abstract translation: 描述了基于CoMP传输的信息传输方法和设备。 用户设备确定主要传输点。 用户设备确定主传输点的RANK信息以及对应于RANK信息的信道状态信息。 用户设备向网络侧设备发送主要传输点的RANK信息和信道状态信息。 UE向网络侧设备报告每个传输点的有限RANK的信道状态信息，主传输点的无限RANK的信道状态信息和传输点之间的相对相位信息等。
-
公开(公告)号：US20150092695A1
公开(公告)日：2015-04-02
申请号：US14396637
申请日：2013-04-19
Inventor： Rui Zhao , Xueming Pan , Rakesh Tamrakar , Ranran Zhang
IPC: H04W72/04
CPC classification number: H04W72/042 , H04L1/0038 , H04L1/0072 , H04L5/0051 , H04L5/0053 , H04L5/0058 , H04W24/00
Abstract: The present invention relates to the field of communications, and provides a method and a device for enhanced-physical downlink control channel (E-PDCCH) transmission and blind detection. The method is: a network side carrying out corresponding E-PDCCH transmission resource configuration for allocation of each sub-frame; and a terminal respectively adopting different modes to perform E-PDCCH blind detection in each frame, so that better link adaptation of the E-PDCCH transmission can be implemented. Therefore, the balance of E-PDCCH transmission in sub-frames is ensured, the effect of E-PDCCH blind detection of the terminal is further improved, and the E-PDCCH demodulation performance is further promoted.
Abstract translation: 本发明涉及通信领域，并且提供了一种用于增强物理下行链路控制信道（E-PDCCH）传输和盲检测的方法和装置。 该方法是：网络侧执行用于分配每个子帧的相应的E-PDCCH传输资源配置; 以及分别采用不同模式的终端在每帧中执行E-PDCCH盲检测，从而可以实现更好的E-PDCCH传输的链路自适应。 因此，确保了子帧中E-PDCCH传输的平衡，进一步提高了终端的E-PDCCH盲检测效果，进一步提高了E-PDCCH解调性能。
-
8.发明申请PRECODING MATRIX INDICATOR (PMI) INFORMATION TRANSMISSION METHOD AND DEVICE 审中-公开预测矩阵指标（PMI）信息传输方法和设备公开(公告)号：US20140369436A1
公开(公告)日：2014-12-18
申请号：US14357208
申请日：2012-06-29
Inventor： Ranran Zhang , Xin Su , Rakesh Tamrakar , Meifang Jing
IPC: H04B7/06
CPC classification number: H04B7/0639 , H04B7/0478 , H04B7/0626 , H04B7/063 , H04L5/0023 , H04L5/0053 , H04L5/0091 , H04L25/03929 , H04L25/03949
Abstract: Disclosed are a precoding matrix indicator (PMI) information transmission method and device, for realizing the feedback and receiving of PMIs. The PMI information feedback method provided in the present application server includes: UE determining the feedback of a PMI and a feedback mode used for feeding back the PMI; the UE determining a rank indicator (RI) and a precoding matrix in a compressed precoding matrix set and determining an RI and first PMI combined coding information value according to a preset RI and first PMI combined coding information value and a correlation list of RIs and codebook indices; and the UE employing the feedback mode to send the determined RI and first PMI combined coding information value to a base station.
Abstract translation: 公开了一种用于实现PMI的反馈和接收的预编码矩阵指示（PMI）信息传输方法和装置。 本申请服务器提供的PMI信息反馈方法包括：UE确定PMI的反馈和用于反馈PMI的反馈模式; UE确定压缩预编码矩阵集中的秩指示符（RI）和预编码矩阵，并且根据预设的RI和第一PMI组合编码信息值以及RI和码本的相关列表确定RI和第一PMI组合编码信息值 指数 并且UE采用反馈模式将所确定的RI和第一PMI组合编码信息值发送到基站。
-
公开(公告)号：US09503243B2
公开(公告)日：2016-11-22
申请号：US14370033
申请日：2012-09-25
Inventor： Ranran Zhang , Qiubin Gao
CPC classification number: H04L5/0053 , H04B7/024 , H04B7/0626 , H04B7/0634 , H04B7/0639 , H04B7/0643 , H04L1/0026 , H04L5/0035 , H04L5/0048 , H04L5/0057
Abstract: Disclosed is a method for transmitting channel state information, for realizing the transmission of channel information which supports CoMP transmission. The method includes: a terminal receiving from a base station control signaling which indicates to the terminal to perform channel information feedback, the control signaling including indication information about a plurality of CSI-RS resources for performing aggregation feedback; the terminal obtaining the plurality of CSI-RS resources based on the indication information to perform channel estimation and constructing a channel matrix according to a PDSCH transmission solution over a preset CSI reference resource, the correlation between the signal over the plurality of CSI-RS resources and the signal of a UERS port and the constructed channel matrix and transmitting the CSI to the base station. Also disclosed is a device for implementing the method.
Abstract translation: 公开了一种用于发送信道状态信息的方法，用于实现支持CoMP传输的信道信息的传输。 该方法包括：终端从基站接收控制信令，向终端指示执行信道信息反馈，所述控制信令包括关于多个CSI-RS资源的指示信息，用于执行聚合反馈; 所述终端基于所述指示信息来获取所述多个CSI-RS资源，以根据预设的CSI参考资源上的PDSCH传输解来执行信道估计和构建信道矩阵，所述多个CSI-RS资源之间的信号之间的相关性 以及UERS端口的信号和构造的信道矩阵，并将CSI发送到基站。 还公开了一种用于实现该方法的装置。
-
公开(公告)号：US09419698B2
公开(公告)日：2016-08-16
申请号：US14379072
申请日：2013-02-06
Inventor： Qiubin Gao , Ranran Zhang
CPC classification number: H04B7/0615 , H04B1/56 , H04B7/024 , H04B7/0413 , H04B7/0417 , H04B7/0617 , H04B7/0634 , H04B17/21 , H04L5/0023 , H04L5/0048 , H04L25/0204 , H04L25/0224 , H04W24/02
Abstract: An embodiment of the present invention relates to the technical field of wireless communications, in particular to an aerial calibration method, system and device. In the prior art, an air interface calibration method involving a user equipment (UE) requires the UE to feed back a channel coefficient, and a channel coefficient direct quantization method occupies a great deal of uplink overhead and reduces system efficiency. The present invention solves the above problem. The method in the embodiment of the present invention comprises: the UE measures a downlink channel and determines a downlink channel matrix; the UE determines a first weighting matrix for aerial calibration according to the downlink channel matrix; the UE notifies a network side of the determined first weighting matrix. In the embodiment of the present invention, a UE decomposes the characteristic value of the downlink channel matrix, or reports the identifier corresponding to the first weighting matrix to the network side device, thus reducing the occupied uplink overhead and improving system efficiency.
Abstract translation: 本发明的实施例涉及无线通信的技术领域，特别涉及一种航空校准方法，系统和装置。 在现有技术中，涉及用户设备（UE）的空中接口校准方法要求UE反馈信道系数，并且信道系数直接量化方法占用大量的上行链路开销并降低系统效率。 本发明解决了上述问题。 本发明实施例中的方法包括：UE测量下行链路信道，确定下行链路信道矩阵; UE根据下行链路信道矩阵确定用于航空校准的第一加权矩阵; UE向网络侧通知所确定的第一加权矩阵。 在本发明的实施例中，UE将下行链路信道矩阵的特征值分解，或将与第一加权矩阵对应的标识符报告给网络侧设备，从而减少占用的上行链路开销并提高系统效率。
-
-
-
-
-
-
-
-
-
Search Results
13
records
(took 0.017 seconds)
