公开(公告)号：US20110249606A1

公开(公告)日：2011-10-13

申请号：US13139638

申请日：2009-02-12

申请人： Qingshan Zhang ,  Songwei Ma ,  Jun Zheng

发明人： Qingshan Zhang ,  Songwei Ma ,  Jun Zheng

IPC分类号： H04W4/06

CPC分类号： H04W72/005 ,  H04L12/1836 ,  H04L45/16 ,  H04W92/045

摘要： The present invention provides a method and device of communicating mobile multicast service in the fixed network by coupling, via the fixed network, a mobile base station to the mobile communication system of a mobile core network. In the present invention, a multicast service channel is established between gateway used for connecting a fixed network with mobile core network and an edge routing device in the fixed network, for communicating the mobile multicast service from mobile core network; while the edge routing device provides, in the access/convergence network of the fixed network, mobile multicast service for the mobile base station. With application of the device and method in the present invention, network resource of the fixed network may be saved, and payload of each network device is relieved.

摘要翻译： 本发明提供了一种通过固定网络将移动基站耦合到移动核心网的移动通信系统来在固定网络中传送移动组播服务的方法和装置。 在本发明中，在将固定网络与移动核心网连接的网关和固定网络中的边缘路由设备之间建立组播业务信道，从移动核心网络通信移动组播业务; 而边缘路由设备在固定网络的接入/汇聚网络中提供移动基站的移动多播服务。 通过应用本发明的设备和方法，可以节省固定网络的网络资源，减轻每个网络设备的有效载荷。

公开(公告)号：US20110200141A1

公开(公告)日：2011-08-18

申请号：US13091903

申请日：2011-04-21

申请人： Mark Kent ,  Vinko Erceg ,  Jun Zheng

发明人： Mark Kent ,  Vinko Erceg ,  Jun Zheng

IPC分类号： H04L25/49

CPC分类号： H04B7/0417 ,  H04B7/0626 ,  H04B7/0639 ,  H04B7/0641 ,  H04L25/0204 ,  H04L25/0246 ,  H04L25/03898

摘要： A method and system for processing communication signals is provided and may comprise, minimizing a cost function in a MIMO pre-coding system by choosing a smallest scalar cost from a plurality of scalar costs, wherein each one of the scalar costs is generated from one or more sums and one or more products of elements of a product matrix, and wherein the product matrix is generated from one of the plurality of unitary matrices, a matrix comprising the channel estimate, and their respective Hermitian Transposes. The codebook is selected based on the minimized cost function. The channel estimate is quantized onto the selected codebook.

摘要翻译： 提供了一种用于处理通信信号的方法和系统，并且可以包括通过从多个标量成本中选择最小标量成本来最小化MIMO预编码系统中的成本函数，其中每个标量成本是从一个或 更多的和和产品矩阵的元素的一个或多个乘积，并且其中，产品矩阵从多个单一矩阵中的一个生成，包括信道估计的矩阵以及它们各自的厄米转移。 基于最小化成本函数选择码本。 信道估计量被量化到选定的码本上。

公开(公告)号：US07983322B2

公开(公告)日：2011-07-19

申请号：US11767071

申请日：2007-06-22

申请人： Mark Kent ,  Vinko Erceg ,  Jun Zheng

发明人： Mark Kent ,  Vinko Erceg ,  Jun Zheng

IPC分类号： H04L27/30

CPC分类号： H04B7/0645 ,  H04B7/0417 ,  H04B7/0639 ,  H04B7/0663 ,  H04L25/0204 ,  H04L25/0248 ,  H04L25/03343 ,  H04L2025/03426 ,  H04L2025/03611 ,  H04L2025/03802

摘要： Aspects of a method and system for codebook design of MIMO pre-coders with finite rate channel state information feedback may include quantizing channel state information in a MIMO pre-coding system onto a codebook, which include unitary matrices, using a cost function. The codebook may be iteratively updated based on at least the channel state information. The channel state information may comprise a matrix V. The cost function f(A) is defined by the following relationship: f ⁡ ( A ) = ( 1 N ⁢ ∑ j = 1 N ⁢ ⁢  a jj  2 ) where A is a matrix of size N by N and aij is element (i,j) of matrix A. Voronoi regions may be generated from the codebook for the unitary matrices. A set of matrices based on the Voronoi regions and the unitary matrices may be generated. Updating the codebook may be achieved by modifying the set of matrices into a new set of unitary matrices, where the new set of unitary matrices become the codebook.

摘要翻译： 用于具有有限速率信道状态信息反馈的MIMO预编码器的码本设计的方法和系统的方面可以包括：使用成本函数将MIMO预编码系统中的信道状态信息量化到包括单位矩阵的码本上。 至少基于信道状态信息可以迭代地更新码本。 信道状态信息可以包括矩阵V.成本函数f（A）由以下关系定义：f⁡（A）=（1NΣj = 1 N⁢2）其中A是 大小N乘以N的矩阵和aij是矩阵A的元素（i，j）。可以从用于单位矩阵的码本生成沃罗尼诺（Voronoi）区域。 可以生成基于Voronoi区域和酉矩阵的一组矩阵。 可以通过将矩阵集合修改为新的酉矩阵集合来实现更新码本，其中新的酉矩阵集合成为码本。

公开(公告)号：US20110164695A1

公开(公告)日：2011-07-07

申请号：US12652137

申请日：2010-01-05

申请人： Jun Zheng ,  Mark Kent ,  Vinko Erceg

发明人： Jun Zheng ,  Mark Kent ,  Vinko Erceg

IPC分类号： H04K1/10

CPC分类号： H04L25/0242 ,  H04B7/086 ,  H04W16/28 ,  H04W24/00 ,  H04W24/10

摘要： A mobile device receives beams orthogonal to a single user downlink MIMO channel associated with a selected first user in a user group. The mobile device estimates relative channel direction information with respect to the received beams for an associated single user downlink MIMO channel. The estimated relative channel direction information is hybrid-quantized to generate a semi-orthogonal matrix transmitted to the base station over a finite-rate feedback link. The mobile device receives downlink data transmission according to the hybrid-quantized relative channel direction information. The base station receives multiple semi-orthogonal matrices from remaining mobile devices to generate a semi-orthogonal group for the selected first user. A mobile device having the strongest quantized projected channel capacity is selected from the generated semi-orthogonal group as a second user. Mutual channel capacity information for the selected first and second users is determined to schedule corresponding downlink data transmissions, accordingly.

摘要翻译： 移动设备接收与用户组中与所选择的第一用户相关联的单个用户下行MIMO信道正交的波束。 移动设备针对相关联的单用户下行MIMO信道估计相对于所接收的波束的相对信道方向信息。 估计的相对信道方向信息被混合量化以产生通过有限速率反馈链路发送到基站的半正交矩阵。 移动设备根据混合量化的相对信道方向信息接收下行链路数据传输。 基站从剩余的移动设备接收多个半正交矩阵，以生成所选择的第一用户的半正交组。 作为第二用户，从所生成的半正交组中选择具有最强量化的投影信道容量的移动设备。 确定所选择的第一和第二用户的相互信道容量信息相应地调度相应的下行链路数据传输。

公开(公告)号：US20110128956A1

公开(公告)日：2011-06-02

申请号：US13003399

申请日：2009-06-01

申请人： Chunyan Yao ,  Jianbin Chen ,  Haibo Wen ,  Fanxiang Bin ,  Jun Zheng

发明人： Chunyan Yao ,  Jianbin Chen ,  Haibo Wen ,  Fanxiang Bin ,  Jun Zheng

IPC分类号： H04L12/56

CPC分类号： H04L12/1886 ,  H04L45/125 ,  H04L45/16 ,  H04L47/806

摘要： According to at least one particular embodiment of the present invention, in an ASM-based RP, when the RP receives a multicast transmission request from a multicast source, it processes said multicast transmission request of the multicast source according to the multicast transmission request and remaining resources available for multicast forwarding in the RP. When using the methods and apparatuses provided in the present invention, by means of reasonable controls on the multicast transmission request conducted by the RP according to its resource situation, the hardware processing loads and the port traffic load of RP can be effectively maintained within an appropriate range, thereby avoiding resource exhaustion, and the disadvantageous impact of new multicast services on the existing services can be also avoided.

摘要翻译： 根据本发明的至少一个具体实施例，在基于ASM的RP中，当RP从组播源接收到组播传输请求时，根据组播传输请求处理组播源的组播传输请求，并保持 可用于RP中组播转发的资源。 当使用本发明提供的方法和装置时，通过根据其资源状况对RP进行的组播传输请求进行合理的控制，能够有效地维护RP的硬件处理负载和端口流量负载， 从而避免资源枯竭，同时也可以避免新组播业务对现有业务的不利影响。

公开(公告)号：US20110122658A1

公开(公告)日：2011-05-26

申请号：US13055928

申请日：2008-08-06

申请人： Eng Hwee Quek ,  Jun Zheng

发明人： Eng Hwee Quek ,  Jun Zheng

IPC分类号： H02M3/335 ,  H02M7/217

CPC分类号： H02M3/335 ,  H01F27/38 ,  H02M2001/0006

摘要： The power converter includes a transformer that is coupled or decoupled from a power source by a switch controlled by a switch controller. The transformer includes a first primary winding coupled to a secondary winding. The energy stored in the leakage inductance of the first primary winding is received by a second primary winding. The energy received by the second primary winding is provided to the switch controller to power the switch controller. The second primary winding is wound adjacent to the first primary winding to receive more energy from the first primary winding.

摘要翻译： 功率转换器包括通过由开关控制器控制的开关与电源耦合或去耦合的变压器。 变压器包括耦合到次级绕组的第一初级绕组。 存储在第一初级绕组的漏感中的能量由第二初级绕组接收。 将第二初级绕组接收到的能量提供给开关控制器以为开关控制器供电。 第二初级绕组缠绕在第一初级绕组附近以从第一初级绕组接收更多的能量。

公开(公告)号：US07936808B2

公开(公告)日：2011-05-03

申请号：US11231416

申请日：2005-09-21

申请人： Jun Zheng ,  Chengjin Zhang ,  Pieter Van Rooyen

发明人： Jun Zheng ,  Chengjin Zhang ,  Pieter Van Rooyen

IPC分类号： H04L5/16

CPC分类号： H04B7/0452 ,  H04B7/0417 ,  H04B7/06 ,  H04B7/0626 ,  H04B7/0658

摘要： A method and system for channel quantization for multiuser diversity are provided. A quantizer may utilize quantization levels determined based on an objective function J that corresponds to a performance metric for a finite-rate feedback multiuser downlink communication system. The quantization levels may be obtained based on the results of maximizing the objective function J by means of an optimization algorithm. The optimization algorithm may be a multivariate optimization algorithm that may be implemented utilizing an iterative approach. The quantizer may utilize the quantization levels to quantize channel state information (CSI) to achieve multiuser diversity in the finite-rate feedback multiuser system. The performance metric may be based on signal-to-noise ratio (SNR), bit error rate (BER), and/or system capacity. The quantization levels may be utilized in a multiuser system where distributed quantization is needed for optimal selection.

摘要翻译： 提供了一种用于多用户分集的信道量化的方法和系统。 量化器可以利用基于与有限速率反馈多用户下行链路通信系统的性能度量相对应的目标函数J确定的量化级。 可以基于通过优化算法使目标函数J最大化的结果来获得量化级别。 优化算法可以是可以利用迭代方法来实现的多元优化算法。 量化器可以利用量化级来量化信道状态信息（CSI）以在有限速率反馈多用户系统中实现多用户分集。 性能度量可以基于信噪比（SNR），误码率（BER）和/或系统容量。 量化级别可以用于需要分布式量化来进行最优选择的多用户系统中。

公开(公告)号：US07917101B2

公开(公告)日：2011-03-29

申请号：US11231701

申请日：2005-09-21

申请人： Chengjin Zhang ,  Jun Zheng ,  Pieter van Rooyen

发明人： Chengjin Zhang ,  Jun Zheng ,  Pieter van Rooyen

IPC分类号： H04B1/02 ,  H04B7/02 ,  H03C7/02

CPC分类号： H04W8/005 ,  H04B7/0408

摘要： Certain aspects of a method and system for processing signals in a communication system may include maximizing system capacity for a time division duplex (TDD) multiuser multiple-input multiple-output (MIMO) downlink system, based on a single signal for a single user within a reduced search range or the single signal for the single user and at least one other signal for one other user within a remaining portion of the reduced search range. The reduced search range may be generated by sorting a plurality of signals based on a channel gain corresponding to each of the plurality of signals. The single signal for the single user may be selected from the reduced search range corresponding to a channel gain that is greater than a channel gain corresponding to a remaining portion of the reduced search range.

摘要翻译： 用于在通信系统中处理信号的方法和系统的某些方面可以包括基于用于单个用户内的单个用户的单个信号来最大化时分双工（TDD）多用户多输入多输出（MIMO）下行链路系统的系统容量 减少的搜索范围或针对单个用户的单个信号，以及在缩小搜索范围的剩余部分内的另一个用户的至少一个其他信号。 可以通过基于与多个信号中的每个信号相对应的信道增益对多个信号进行排序来生成缩小搜索范围。 单个用户的单个信号可以从对应于大于对应于缩小的搜索范围的剩余部分的信道增益的信道增益的缩小搜索范围中选择。

公开(公告)号：US07894506B2

公开(公告)日：2011-02-22

申请号：US11767123

申请日：2007-06-22

申请人： Mark Kent ,  Vinko Erceg ,  Jun Zheng

发明人： Mark Kent ,  Vinko Erceg ,  Jun Zheng

IPC分类号： H04L27/30

CPC分类号： H04B7/0417 ,  H04B7/0626 ,  H04B7/0639 ,  H04B7/0641

摘要： Aspects of a method and system for a delta quantizer for MIMO pre-coders with finite rate channel state information feedback may include quantizing a change in channel state information in a MIMO pre-coding system onto a codebook, which comprises one or more unitary matrices, using a cost function. The codebook may be generated based on at least the channel state information. The channel state information may comprise a matrix V and the cost function f(A) may be defined by the following relationship: f ⁡ ( A ) = ( 1 N ⁢ ∑ j = 1 N ⁢  a jj  2 ) where A is a matrix of size N by N and aij is element (i,j) of matrix A. One or more unitary matrices may be generated from at least a first set of matrices and a second set of matrices, where the first set of matrices may comprise one or more Givens matrices. A dynamic range and a resolution of the codebook may be modified.

摘要翻译： 用于具有有限速率信道状态信息反馈的MIMO预编码器的Δ量化器的方法和系统的方面可以包括将MIMO预编码系统中的信道状态信息的变化量化到包括一个或多个酉矩阵的码本上， 使用成本函数。 码本可以至少基于信道状态信息生成。 信道状态信息可以包括矩阵V，并且成本函数f（A）可以由以下关系定义：f⁡（A）=（1NΣj = 1 Na jj钟2）其中A是 尺寸N乘N的矩阵和aij是矩阵A的元素（i，j）。可以从至少第一组矩阵和第二组矩阵生成一个或多个酉矩阵，其中第一组矩阵可以 包括一个或多个Givens矩阵。 可以修改码本的动态范围和分辨率。

公开(公告)号：US20100290463A1

公开(公告)日：2010-11-18

申请号：US12733703

申请日：2008-09-19

申请人： Chunyan Yao ,  Haibo Wen ,  Jun Zheng ,  Fanxiang Bin

发明人： Chunyan Yao ,  Haibo Wen ,  Jun Zheng ,  Fanxiang Bin

IPC分类号： H04L12/56

CPC分类号： H04L12/2881 ,  H04L12/1877 ,  H04L12/189

摘要： The present invention proposes a method for controlling the uplink transmission of the multicast IP packet sourced from the UE in field of IP packet transmission in access network. According to the technical solution of the present invention, the access devices receives IP packet from the UE, checks the IP packet and determines whether the IP packet is multicast IP packet that is allowed to be accessed. If the access device determines that the IP packet is multicast IP packet that is allowed to be accessed, then it sends the multicast IP packet in multicast form. Via the present invention, the access device can allow the uplink valid multicast IP packet to pass, preferably, determines and intercepts the malicious attacks via multicast IP packet, so as to ensure the DSL access device's support for mobile IPv4, so as to keep the uninterrupted connection of the service to the user when the user moves between different subnets.

摘要翻译： 本发明提出一种用于在接入网络中的IP分组传输领域中控制来自UE的多播IP分组的上行传输的方法。 根据本发明的技术方案，接入设备从UE接收IP分组，检查IP分组，并确定IP分组是否是允许访问的多播IP分组。 如果接入设备确定IP分组是允许访问的组播IP分组，则以多播形式发送组播IP分组。 通过本发明，接入设备可以允许上行有效的多播IP分组通过，优选地经由多播IP分组来确定和拦截恶意攻击，以确保DSL接入设备对移动IPv4的支持，以保持 当用户在不同子网之间移动时，服务与用户的不间断连接。