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    • 33. 发明授权
    • Multiplexing and coding schemes for multiple transmit antennas in a wireless communication system
    • 在无线通信系统中用于多个发射天线的多路复用和编码方案
    • US08737502B2
    • 2014-05-27
    • US12687576
    • 2010-01-14
    • Xiliang LuoPeter GaalWanshi ChenJuan MontojoXiaoxia Zhang
    • Xiliang LuoPeter GaalWanshi ChenJuan MontojoXiaoxia Zhang
    • H04B7/02
    • H04B7/0678H04B7/0684H04B7/0697
    • Techniques for transmitting data from multiple transmit antennas using space orthogonal resource transmit diversity (SORTD) are described. For the SORTD scheme, a different orthogonal resource may be assigned to each transmit antenna. Data may be sent from the multiple transmit antennas using multiple orthogonal resources. In one design, a UE may process at least one information bit (e.g., with joint or independent coding) to obtain first and second sets of at least one modulation symbol. The UE may process the first set of modulation symbol(s) for transmission from the first transmit antenna using a first orthogonal resource. The UE may process the second set of modulation symbol(s) for transmission from the second transmit antenna using a second orthogonal resource. Each orthogonal resource may include a different reference signal sequence or a different set of reference signal sequence and orthogonal sequence.
    • 描述了使用空间正交资源发射分集(SORTD)从多个发射天线发射数据的技术。 对于SORTD方案,可以将不同的正交资源分配给每个发射天线。 可以使用多个正交资源从多个发射天线发送数据。 在一种设计中,UE可以处理至少一个信息比特(例如,具有联合或独立编码)以获得第一和第二组至少一个调制符号。 UE可以使用第一正交资源处理第一组调制符号以从第一发射天线发射。 UE可以使用第二正交资源处理第二组调制符号以从第二发射天线发射。 每个正交资源可以包括不同的参考信号序列或不同的参考信号序列集合和正交序列。
    • 35. 发明授权
    • Power headroom reporting
    • 功率余量报告
    • US08693362B2
    • 2014-04-08
    • US13079724
    • 2011-04-04
    • Aleksandar DamnjanovicJelena M. DamnjanovicJuan MontojoPeter Gaal
    • Aleksandar DamnjanovicJelena M. DamnjanovicJuan MontojoPeter Gaal
    • H04L1/00
    • H04W52/365
    • Systems, methods, apparatuses, and computer program products are described for power headroom reporting. A mobile device may identify a transmit power associated with each of a number of independently power controlled channels on one or multiple carriers configured for use by the mobile device. The transmit power may relate to one channel that is an uplink control channel, and one or more additional channels that are uplink shared channels. The identified transmit power of one channel (e.g., the uplink control channel) may be a virtual transmit power, while other identified transmit powers may be measured transmit powers for actual transmissions. The identified transmit powers may be added up, and the power headroom available for the mobile device may be calculated using the accumulated transmit powers. The mobile device may transmit a power headroom report to a base station.
    • 描述了功率余量报告的系统,方法,设备和计算机程序产品。 移动设备可以识别与配置为由移动设备使用的一个或多个载波上的多个独立功率控制信道中的每一个相关联的发射功率。 发射功率可以涉及作为上行链路控制信道的一个信道和作为上行链路共享信道的一个或多个附加信道。 所识别的一个信道的发射功率(例如,上行链路控制信道)可以是虚拟发射功率,而其他识别的发射功率可以是用于实际传输的测量的发射功率。 所识别的发射功率可以相加,并且可以使用累积的发射功率来计算可用于移动设备的功率余量。 移动设备可以向基站发送功率余量报告。
    • 36. 发明授权
    • Reference signal reception and channel state information determination for multiple nodes in a wireless communication network
    • 参考信号接收和无线通信网络中多个节点的信道状态信息确定
    • US08681651B2
    • 2014-03-25
    • US13288172
    • 2011-11-03
    • Kapil BhattadWanshi ChenPeter GaalJuan Montojo
    • Kapil BhattadWanshi ChenPeter GaalJuan Montojo
    • G01R31/08
    • H04W72/0426H04L5/0032H04L25/0226
    • Techniques for receiving reference signals from multiple nodes and determining channel state information (CSI) for the nodes are disclosed. A user equipment (UE) may determine and report CSI for the multiple nodes to support data transmission to the UE. The nodes may transmit reference signals based on different configurations. The configuration for each node may indicate when, where, and how the node transmits its reference signal. The UE may determine CSI for different nodes and/or different combinations of nodes based on the reference signals transmitted by these nodes as well as an indication of which subframes to use to determine each CSI reported by the UE. The UE may report different CSIs for different subframes and may receive data transmission sent by a single node or a combination of nodes based on the reported CSIs.
    • 公开了用于从多个节点接收参考信号并确定节点的信道状态信息(CSI)的技术。 用户设备(UE)可以确定并报告多个节点的CSI以支持向UE的数据传输。 节点可以基于不同的配置发送参考信号。 每个节点的配置可以指示节点发送其参考信号的时间,地点和方式。 UE可以基于由这些节点发送的参考信号来确定不同节点和/或节点的不同组合的CSI以及用于确定由UE报告的每个CSI的哪些子帧的指示。 UE可以针对不同的子帧报告不同的CSI,并且可以基于所报告的CSI接收单个节点或节点的组合发送的数据传输。
    • 39. 发明授权
    • Efficient multiplexing of reference signal and data in a wireless communication system
    • 无线通信系统中参考信号和数据的高效多路复用
    • US08644397B2
    • 2014-02-04
    • US12564619
    • 2009-09-22
    • Peter GaalJuan Montojo
    • Peter GaalJuan Montojo
    • H04L27/00
    • H04L5/0048H04L27/261
    • Techniques for transmitting reference signal and data using cyclic shifts of a base sequence are described. The base sequence may have good correlation properties, and different cyclic shifts of the base sequence may be orthogonal to one another. A user equipment (UE) may send at least one reference signal on assigned resources using at least one cyclic shift of the base sequence. The UE may send data on the assigned resources using at least one other cyclic shift of the base sequence. For each reference signal, the UE may modulate a cyclic shift of the base sequence with a known modulation symbol. For data, the UE may modulate each cyclic shift of the base sequence used for data with a data modulation symbol. Multiple UEs may share the same resources. Each UE may be assigned a different set of cyclic shifts among all cyclic shifts available for the resources.
    • 描述使用基本序列的循环移位来发送参考信号和数据的技术。 碱基序列可以具有良好的相关性质,碱基序列的不同循环移位可以彼此正交。 用户设备(UE)可以使用基本序列的至少一个循环移位在分配的资源上发送至少一个参考信号。 UE可以使用基本序列的至少一个其他循环移位在所分配的资源上发送数据。 对于每个参考信号,UE可以用已知的调制符号来调制基本序列的循环移位。 对于数据,UE可以用数据调制符号来调制用于数据的基本序列的每个循环移位。 多个UE可以共享相同的资源。 可以为可用于资源的所有循环移位中的每个UE分配不同的循环移位集合。
    • 40. 发明授权
    • Method and apparatus for handover in a wireless communication system
    • 用于无线通信系统中切换的方法和装置
    • US08570977B2
    • 2013-10-29
    • US12402249
    • 2009-03-11
    • Aleksandar DamnjanovicJelena M. DamnjanovicPeter GaalJuan Montojo
    • Aleksandar DamnjanovicJelena M. DamnjanovicPeter GaalJuan Montojo
    • H04W4/00H04W80/04H04W36/18
    • H04W80/04H04W36/0055H04W36/18H04W74/08
    • Systems and methodologies are described that facilitate system frame number (SFN) indication and identification during a random access procedure (e.g., associated with a handover). As described herein, a target cell can configure one or more Random Access Responses (RARs) designated for transmission to a terminal during the access phase of a handover to include the SFN of the target cell. Techniques are further described herein by which the target cell can include SFN information in a sub-header associated with a RAR, in the payload of a RAR, and/or in other appropriate manners. In addition, the target cell can configure one or more flags of the RAR to indicate the presence of SFN information. Upon receiving a RAR with embedded SFN information, a terminal can utilize the SFN for operations such as frequency hopping or uplink resource configuration as described herein.
    • 描述了在随机接入过程(例如,与切换相关联)期间促进系统帧号(SFN)指示和标识的系统和方法。 如本文所述,目标小区可以在切换的接入阶段期间配置指定用于向终端发送的一个或多个随机接入响应(RAR),以包括目标小区的SFN。 本文进一步描述了技术,其中目标小区可以在与RAR相关联的子标题中,在RAR的有效载荷中和/或以其他适当的方式包括SFN信息。 另外,目标小区可以配置RAR的一个或多个标志来指示SFN信息的存在。 在接收到具有嵌入式SFN信息的RAR时,终端可以利用SFN进行如本文所述的跳频或上行链路资源配置等操作。