专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2008085107A3 METHOD FOR PRECODING USING A BLOCK DIAGONAL MATRIX 审中-公开
公开(公告)号：WO2008085107A3
公开(公告)日：2008-07-17
申请号：PCT/SE2007/051070
申请日：2007-12-21
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , JÖNGREN, George , GÖRANSSON, Bo
发明人： JÖNGREN, George , GÖRANSSON, Bo
IPC分类号： H01J37/32 , C23C14/56 , C23C14/04 , H05H1/24
摘要： An objective problem of the invention is to provide a mechanism for improving the performance of a radio access network. According to a first aspect of the present invention, the object is achieved by a method in a first node for adapting a multi-antenna transmission to a second node over an effective channel. The first node and the second node are comprised in a wireless communication system. The method comprises the steps of obtaining at least one symbol stream and determining a precoding matrix having a block diagonal structure. The method comprises the further steps of precoding the at least one symbol stream with the determined precoding matrix, and transmitting the at least one precoded symbol stream over the effective channel to the second node.

2. 发明申请

WO2009025619A3 FEEDBACK REDUCTION FOR CODEBOOK SUBSET RESTRICTION 审中-公开
公开(公告)号：WO2009025619A3
公开(公告)日：2009-02-26
申请号：PCT/SE2008/050951
申请日：2008-08-22
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , GÖRANSSON, Bo , JÖNGREN, George
发明人： GÖRANSSON, Bo , JÖNGREN, George
IPC分类号： H04L1/00
摘要： Systems and methods according to these exemplary embodiments provide for methods and systems for reducing uplink overhead from a user equipment, UE, (14) when performing communications in a mobile network. Reductions in uplink overhead may be achieved by using different control channel structures depending upon, for example, a subset of permissible transmit parameters which are under consideration for a particular connection.

3. 发明申请

WO2008085096A1 METHOD AND ARRANGEMENT IN A WIRELESS COMMUNICATIONS SYSTEM 审中-公开
标题翻译：无线通信系统中的方法和布置
公开(公告)号：WO2008085096A1
公开(公告)日：2008-07-17
申请号：PCT/SE2007/050754
申请日：2007-10-18
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , JÖNGREN, George , GÖRANSSON, Bo
发明人： JÖNGREN, George , GÖRANSSON, Bo
IPC分类号： H04B7/005 , H04B7/06 , H04B7/08
CPC分类号： H04B7/0456 , H04B7/0478 , H04B7/0482 , H04B7/0619 , H04B7/0632 , H04B7/0634 , H04B7/0639 , H04B7/0658 , H04L1/0001 , H04L1/0025 , H04L1/0028
摘要： A method for assisting the adaptation of a signal from a first node (100) to a second node (120) is provided. The first node communicates with the second node in a wireless communication system (110) over a radio link (130). The second node is configured to comprise a codebook, which codebook comprises a set of possible information alternatives used for assisting the adaptation of a signal from the first node to the second node. The second node may select an information alternative from a codebook and send it to the first node to assist the first node how to adapt the signal. The first node is arranged to know a number of subsets, each subset comprising a part of possible information alternatives. The method comprises the steps of sending a configuration request to the second node to restrict the selection of information alternatives to one of the subsets; receiving an information alternative from the second node, which is selected among the at least one subsets configured according to the configuration request.
摘要翻译：提供了一种用于辅助将来自第一节点（100）到第二节点（120）的信号的适配的方法。第一节点通过无线电链路（130）与无线通信系统（110）中的第二节点进行通信。第二节点被配置为包括码本，该码本包括用于辅助从第一节点到第二节点的信号的适配的一组可能的信息替代。第二节点可以从码本中选择信息替代，并将其发送到第一节点以辅助第一节点如何适应信号。第一节点被布置成知道多个子集，每个子集包括一部分可能的信息替代。所述方法包括以下步骤：向所述第二节点发送配置请求以限制对所述子集之一的信息的选择; 从所述第二节点接收信息替代，所述第二节点是根据所述配置请求配置的所述至少一个子集中选择的。

4. 发明申请

WO2008051153A2 METHOD AND ARRANGEMENT FOR ALLOCATING RADIO RESOURCES IN A COMMUNICATION SYSTEM 审中-公开
标题翻译：通信系统中分配无线电资源的方法和安排
公开(公告)号：WO2008051153A2
公开(公告)日：2008-05-02
申请号：PCT/SE2007/050724
申请日：2007-10-09
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , GÖRANSSON, Bo , GRANT, Stephen , JÖNGREN, George
发明人： GÖRANSSON, Bo , GRANT, Stephen , JÖNGREN, George
IPC分类号： H04L1/00 , H04Q7/38
CPC分类号： H04W72/085 , H04L1/0025 , H04L1/0026 , H04L1/0029 , H04W72/0413
摘要： The present invention relates to a method and an arrangement of facilitating the allocation of radio resources in a communication network, comprising a communication network node (15) communicating with said user equipment (18) by means of data streams over a radio interface on radio channels. A channel quality message having a length of a predefined number of bits is provided comprising information which is used for comparing an obtained channel quality if a single data stream transmission is selected or if a multi data stream transmission is selected for said communication. The available radio resources are then allocated based on said channel quality message.
摘要翻译：本发明涉及一种有助于在通信网络中分配无线电资源的方法和设备，包括通过网络节点（15）通过数据与所述用户设备（18）通信的通信网络节点通过无线电信道上的无线电接口流。提供具有预定义位数的长度的信道质量消息，其包括用于在选择单个数据流传输的情况下比较所获得的信道质量的信息或者如果为所述通信选择了多数据流传输。然后基于所述信道质量消息来分配可用的无线电资源。

5. 发明申请

WO2011003433A1 SIGNALLING OF REFERENCE SIGNALS FOR SINGLE USER SPATIAL MULTIPLEXING TRANSMISSION SCHEMES 审中-公开
标题翻译：单用户空间多路复用传输方案的参考信号信号
公开(公告)号：WO2011003433A1
公开(公告)日：2011-01-13
申请号：PCT/EP2009/005013
申请日：2009-07-10
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , BALDEMAIR, Robert , ASTELY, David , GÖRANSSON, Bo , JÖNGREN, George
发明人： BALDEMAIR, Robert , ASTELY, David , GÖRANSSON, Bo , JÖNGREN, George
IPC分类号： H04B7/04 , H04L27/26 , H04W72/14
CPC分类号： H04B7/0413 , H04L5/0023 , H04L5/0048 , H04L5/0092 , H04L25/0204 , H04L25/0226 , H04L27/2613
摘要： The present disclosure relates to signalling of reference signals for Multi Input Multi Output (MIMO) transmission schemes. A method embodiment for generating reference signals for use between a mobile terminal 10 and an access node 20 in a cellular communication network 100 comprises receiving, by the mobile terminal 10, a cyclic shift set indicator; selecting, from a group of cyclic shift sets, a cyclic shift set based on the received cyclic shift set indicator, each cyclic shift set comprising at least two parameters each indicating a cyclic shift; and generating, based on at least two parameters of the selected cyclic shift set, at least two orthogonal reference signals for at least two layers of a Single User Spatial Multiplexing transmission scheme to be simultaneously transmitted. A further method embodiment comprises selecting, from a plurality of groups of cyclic shift sets, a group of cyclic shift sets based on at least one of a transmission rank, being the number of layers to be simultaneously transmitted, and a number of configured antennas of the mobile terminal 10.
摘要翻译：本公开涉及用于多输入多输出（MIMO）传输方案的参考信号的信令。用于产生在蜂窝通信网络100中的移动终端10和接入节点20之间使用的参考信号的方法实施例包括：由移动终端10接收循环移位设置指示符; 从一组循环移位组中选择基于接收到的循环移位设置指示符的循环移位集合，每个循环移位集包括至少两个指示循环移位的参数; 以及基于所选择的循环移位集合的至少两个参数，生成用于要同时发送的单用户空间复用传输方案的至少两层的至少两个正交参考信号。另一方法实施例包括从多个循环移位组组中选择一组循环移位组，所述循环移位组基于以下中的至少一个：作为要同时发送的层的数量的发送等级和多个配置的天线移动终端10。

6. 发明申请

WO2008097187A2 CALIBRATION METHOD AND DEVICE IN TELECOMMUNICATION SYSTEM 审中-公开
标题翻译：电信系统中的校准方法和装置
公开(公告)号：WO2008097187A2
公开(公告)日：2008-08-14
申请号：PCT/SE2008/050148
申请日：2008-02-06
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , JÖNGREN, George , ASTELY, David , KARLSSON, Jonas , GÖRANSSON, Bo
发明人： JÖNGREN, George , ASTELY, David , KARLSSON, Jonas , GÖRANSSON, Bo
IPC分类号： H04B7/06 , H04B17/00
CPC分类号： H04B17/24 , H04B17/21
摘要： A device [10, 12] system, computer medium and method for calibrating at least one impairment of a signal transmitted from a transmitting unit [10] to a receiving unit [12], the method including receiving at the receiving unit [12] at least two signals [14, 16] transmitted from the transmitting unit [10], estimating at the receiving unit [12], based on the received at least two signals [14, 16], at least one parameter associated with transmit chain links [20, 22] between the transmitting unit [10] and corresponding antennas [18] of the transmitting unit [10], collecting the at least one parameter in a measurement report at the receiving unit [12], and transmitting the measurement report from the receiving unit [12] for correcting the at least one impairment based on the at least one parameter.
摘要翻译：一种用于校准从发送单元[10]发送到接收单元[12]的信号的至少一个损害的设备[10,12]系统，计算机介质和方法，所述方法包括接收在接收单元[12]上从发送单元[10]发送至少两个信号[14,16]，在接收单元[12]基于接收到的至少两个信号[14,16]至少估计与发射单元[10]的发射单元[10]和相应的天线[18]之间的发射链路[20,22]相关联的一个参数，在接收单元[12]处收集测量报告中的至少一个参数，，并且从接收单元[12]发送测量报告，用于基于至少一个参数来校正至少一个损伤。

7. 发明申请

WO2008136750A2 TRANSMISSION MODE SELECTION 审中-公开
标题翻译：传输模式选择
公开(公告)号：WO2008136750A2
公开(公告)日：2008-11-13
申请号：PCT/SE2008/050507
申请日：2008-05-05
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , JÖNGREN, George
发明人： JÖNGREN, George
IPC分类号： H04L1/00 , H04B7/06
CPC分类号： H04B7/0689 , H04L1/0003 , H04L1/1812 , H04L5/0007
摘要： A user terminal (14), a communication network (10, 14), a computer readable medium and a method for selecting at the user terminal (14) a reception and decoding of a transmission mode used by a base station (10), the user terminal (14) receiving communicated information from the base station (10), which has multiple antennas (12), via plural channels, the plural channels including a primary broadcast channel and at least one control channel. The method includes receiving at the user terminal (14) initiating data from the base station (10) via the primary broadcast channel, detecting from the received initiating data whether a first or a second transmission mode is used by the base station (10) for the primary broadcast channel, the first transmission mode indicating that a first number of antennas are used by the base station (10) and the second transmission mode indicating that a second number, different than the first number, of antennas are used by the base station (10) to communicate with the user terminal (14), and using the detected first or second transmission mode of the primary broadcast channel to decode the at least one control channel.
摘要翻译：一种用户终端（14），通信网络（10,14），计算机可读介质和用于在用户终端（14）选择由基站（10）使用的传输模式的接收和解码的方法，用户终端（14）经由多个信道从具有多个天线（12）的基站（10）接收传送的信息，所述多个信道包括主广播信道和至少一个控制信道。该方法包括在用户终端（14）经由主广播信道从基站（10）发起数据，从接收到的发起数据中检测基站（10）是否使用第一或第二传输模式，以便主广播信道，指示基站（10）使用第一数量天线的第一发送模式和指示与第一数量不同的天线的第二数量的第二发送模式被基站使用（10）与所述用户终端（14）进行通信，并且使用所检测到的所述主广播信道的第一或第二传输模式来解码所述至少一个控制信道。

8. 发明申请

WO2011087417A1 A METHOD AND TRANSMITTER NODE FOR TRANSMITTING DM-RS PATTERN 审中-公开
标题翻译：用于发送DM-RS模式的方法和发射机节点
公开(公告)号：WO2011087417A1
公开(公告)日：2011-07-21
申请号：PCT/SE2010/050725
申请日：2010-06-24
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (publ) , HU, Yang , ASTELY, David , HAMMARWALL, David , JÖNGREN, George , SONG, Xinghua , WANG, Jianfeng
发明人： HU, Yang , ASTELY, David , HAMMARWALL, David , JÖNGREN, George , SONG, Xinghua , WANG, Jianfeng
IPC分类号： H04W72/06
CPC分类号： H04B7/0452 , H04B7/0689 , H04L5/0023 , H04L5/0026 , H04L5/0048
摘要： The present invention relates to a transmitter node for transmitting a demodulation reference signal pattern in a resource block to a receiver node (12) using more than two transmission layers over a plurality of transmit antennas in a radio communications network. The transmitter node (10) comprises a mapping circuit (1301) configured to map a plurality of codewords to the more than two transmission layers. Furthermore, the transmitter comprises an additional mapping circuit (1302) configured to map each of the more than two transmission layers to a respective demodulation reference signal port according to a fixed pattern based on a transmission rank. Each of the demodulation reference signal ports is arranged to add a demodulation reference signal pattern to the resource block and the demodulation reference signal ports are associated to two code division multiplexing groups according to an association pattern. The transmission layers of each the two code division multiplexing groups are code division multiplexed and the transmission layers of different code division multiplexing groups are frequency division multiplexed In addition, the transmitter node (10) comprises a precoding circuit (1303) configured to precode each codeword and demodulation reference signal pattern, carried over respective transmission layer, and a transmitting circuit (1304) comprising the plurality of transmit antennas and configured to transmit the precoded demodulation reference signal pattern in the resource block to the receiver node (12).
摘要翻译：本发明涉及一种发射机节点，用于在无线电通信网络中的多个发射天线上使用两个以上的传输层，将资源块中的解调参考信号模式发射到接收机节点（12）。发射机节点（10）包括配置成将多个码字映射到多于两个传输层的映射电路（1301）。此外，发射机包括附加映射电路（1302），被配置为根据基于传输秩的固定模式将多于两个传输层中的每一个映射到相应的解调参考信号端口。每个解调参考信号端口被布置成将解调参考信号模式添加到资源块，并且解调参考信号端口根据关联模式与两个码分复用组相关联。两个码分复用组中的每一个的传输层是码分复用的，并且不同码分复用组的传输层是频分复用的。另外，发射机节点（10）包括预编码电路（1303），其被配置为对每个码字进行预编码和解调参考信号模式，以及包括多个发射天线的发射电路（1304），并且被配置为将资源块中的预编码的解调参考信号模式发送到接收机节点（12）。

9. 发明申请

WO2008121054A1 METHOD AND DEVICE FOR INTERFERENCE SUPPRESSION IN USER TERMINAL 审中-公开
标题翻译：用户终端干扰抑制的方法和设备
公开(公告)号：WO2008121054A1
公开(公告)日：2008-10-09
申请号：PCT/SE2008/050313
申请日：2008-03-19
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , JÖNGREN, George
发明人： JÖNGREN, George
IPC分类号： H04L1/06 , H04B7/08
CPC分类号： H04B7/0854 , H04L1/0606 , H04L1/0631 , H04L25/03305 , H04L25/03968 , H04L25/03993
摘要： A user terminal [12] and method for suppressing interference associated with receiving data, via a wireless channel, from multiple antennas [14, 16] of a transmitter of interest [10]. The user terminal [12] includes an antenna [98] configured to receive an information carrying signal including at least two vectors transmitted from the transmitter of interest [10], and a processor [90] configured to generate first and second vectors, each associated with a corresponding one of the two transmitted vectors, to generate a covariance matrix [R] based on the generated first and second vectors, to process the covariance matrix [R] to have four block elements, the four block elements including first to four matrices, the third matrix being the complex conjugate of the second matrix with opposite sign and the fourth matrix being the complex conjugate of the first matrix, and to jointly decode the first and second vectors based on an inverse of the covariance matrix [R -1 ], to reproduce the data within the received information carrying signal.
摘要翻译：一种用户终端[12]和用于经由无线信道从感兴趣的发射机的多个天线[14,16]中抑制与数据相关的干扰的方法[10]。用户终端[12]包括被配置为接收包括从感兴趣的发射机发送的至少两个向量的信息携带信号的天线[10]，以及被配置为生成第一和第二向量的处理器与两个发送的矢量中的相应的一个，基于所生成的第一和第二矢量生成协方差矩阵[R]，以处理协方差矩阵[R]以具有四个块元素，四个块元素包括第一至四个矩阵，第三矩阵是具有相反符号的第二矩阵的复共轭，第四矩阵是第一矩阵的复共轭，并且基于协方差矩阵的倒数来共同解码第一和第二向量[R -1]，以再现所接收的信息携带信号内的数据。

10. 发明申请

WO2013172746A1 METHOD AND ARRANGEMENT IN A WIRELESS COMMUNICATION SYSTEM 审中-公开
标题翻译：无线通信系统中的方法和布置
公开(公告)号：WO2013172746A1
公开(公告)日：2013-11-21
申请号：PCT/SE2012/000077
申请日：2012-05-16
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , HAMMARWALL, David , JÖNGREN, George , BERGMAN, Svante , FRÖBERG OLSSON, Jonas
发明人： HAMMARWALL, David , JÖNGREN, George , BERGMAN, Svante , FRÖBERG OLSSON, Jonas
IPC分类号： H04B17/00 , H04J11/00
CPC分类号： H04W72/082 , H04B7/024 , H04B17/345 , H04B17/382 , H04J11/0053 , H04L1/00 , H04L1/0026 , H04L1/0077 , H04L1/20 , H04L5/0048 , H04W24/10
摘要： The invention relates to methods and arrangements in a transmitting node (560) for enabling a receiving node (540) to perform measurements on interference caused by transmissions from at least one transmission point (510, 520, 530) controlled by the transmitting node (560) on receptions at the receiving node (540). The transmitting and receiving nodes (560, 540) are comprised in a wireless communications system (500, 600, 700). The transmitting node (560) determines an interference measurement resource, IMR, for the receiving node (540). The receiving node (540) is expected to measure interference on the IMR. The transmitting node (560) then transmits at least one interfering signal on the IMR. The at least one interfering signal is not expected to be decoded or coherently measured upon by any node (540, 550) served by the transmitting node (560).
摘要翻译：本发明涉及发射节点（560）中的方法和装置，用于使得接收节点（540）能够执行由由发射节点（560）控制的至少一个传输点（510,520,530）的传输引起的干扰的测量）在接收节点（540）上的接收。发射和接收节点（560,540）包括在无线通信系统（500,600,700）中。发射节点（560）为接收节点（540）确定干扰测量资源IMR。接收节点（540）预期测量IMR上的干扰。发射节点（560）然后在IMR上发送至少一个干扰信号。预期至少一个干扰信号不会被发送节点（560）所服务的任何节点（540,550）进行解码或相干测量。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式