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    • 4. 发明授权
    • Stamping apparatus
    • 冲压装置
    • US09149854B2
    • 2015-10-06
    • US13100346
    • 2011-05-04
    • Dajun ZhouChangqing DuYang HuYongjun Zhou
    • Dajun ZhouChangqing DuYang HuYongjun Zhou
    • B21D22/22B21D24/04B21D22/02
    • B21D22/22B21D22/02B21D24/04
    • The present disclosure provides stamping apparatus for stamping a blank. The stamping apparatus includes a first die and a blank-holding ram. The first die includes a forming cavity and a depression positioned outboard of the forming cavity. The depression is defined by a first corner proximate the forming cavity and a second corner distal the forming cavity in the outboard direction from the first corner and the forming cavity. The blank-holding ram includes a bead configured to engage a portion of the blank into the depression when the blank is positioned between the first die and the blank-holding ram. The bead includes a third corner proximate the forming cavity and a fourth corner surface distal the forming cavity in the outboard direction from the third corner. The first corner of the depression includes a radii of curvature greater than a radii of curvature of the second corner of the depression and the radii of curvature of the third and fourth corners of the bead.
    • 本公开提供了冲压坯料的冲压装置。 冲压装置包括第一模具和坯料保持柱塞。 第一模具包括形成腔和位于成形腔外侧的凹陷。 所述凹陷由靠近所述成形腔的第一角和从所述第一角和所述成形腔的外侧方向远离所述成形腔的第二角限定。 坯料保持柱塞包括:当坯件位于第一模具和坯料保持柱塞之间时,胎圈被配置成将坯料的一部分接合到凹陷中。 胎圈包括靠近成形腔的第三拐角和从第三角向外侧成形空腔的第四角表面。 凹陷的第一角包括大于凹陷的第二角的曲率半径和珠的第三和第四角的曲率半径的曲率半径。
    • 5. 发明授权
    • Method, apparatus and system for optimizing inter-cell interference coordination
    • 用于优化小区间干扰协调的方法,装置和系统
    • US09143959B2
    • 2015-09-22
    • US13885305
    • 2010-11-15
    • Weilan HuangYang HuJie Mao
    • Weilan HuangYang HuJie Mao
    • H04W24/02H04W52/12H04W52/26H04B17/26H04B17/391
    • H04W24/02H04B17/26H04B17/391H04W52/12H04W52/265
    • The present invention proposes a method, a radio base station and a wireless communication system for optimizing Inter-cell Interference Coordination, wherein a user equipment is communicated within a cell served by the radio base station, comprising: obtaining one or more channel conditions on the communication channel between the user equipment and the radio base station, establishing a utility function as a function of Signal to Interference-and-Noise Ratios SINRs to model the user equipment's satisfaction level in terms of quality of service and power consumption based on the obtained channel conditions, selecting a SINR that enables to maximize the value of the utility function as a target SINR, and determining a transmit power to be used by the user equipment as a function of the target SINR. Thus, a self-optimized inter-cell interference coordination (ICIC) without X2 signaling between base stations is achieved and greedy power allocation is avoid.
    • 本发明提出了一种用于优化小区间干扰协调的方法,无线电基站和无线通信系统,其中在由无线电基站服务的小区内传送用户设备,包括:在所述无线基站上获得一个或多个信道条件 用户设备和无线电基站之间的通信信道,建立作为信号与干扰和噪声比率SINR的函数的效用函数,以根据所获得的信道在用户设备的服务质量和功耗方面对满意度进行建模 条件,选择使得能够最大化作为目标SINR的效用函数的值的SINR,以及确定由用户设备使用的作为目标SINR的函数的发送功率。 因此,实现了基站之间没有X2信令的自优化小区间干扰协调(ICIC),并避免了贪心的功率分配。
    • 6. 发明授权
    • Base station, user equipment, and methods therein in a communications system
    • 通信系统中的基站,用户设备和方法
    • US08953475B2
    • 2015-02-10
    • US13496445
    • 2012-01-30
    • Shaohua LiYang HuJianfeng Wang
    • Shaohua LiYang HuJianfeng Wang
    • H04L12/26
    • H04L5/0053H04B7/0626H04J11/0023H04L25/0228H04W24/08H04W52/241H04W52/245
    • A method in a first base station for obtaining channel state information from a user equipment is provided. The first base station is comprised in a wireless communication system. The wireless communication system further comprises the user equipment. The first base station estimates (403) a first offset value for a first set of subframes based on a first channel information. The first base station further estimates (404) a second offset value for a second set of subframes based on a second channel information. The first base station transmits (405) the estimated first offset value and the estimated second offset value to the user equipment. The first base station then obtains (407) channel state information from the user equipment. The channel state information is based on the transmitted estimated first offset value and the estimated second offset value. The channel state information is to be used for transmission in the first base station.
    • 提供了一种用于从用户设备获取信道状态信息的第一基站中的方法。 第一基站包括在无线通信系统中。 无线通信系统还包括用户设备。 第一基站基于第一信道信息估计(403)第一组子帧的第一偏移值。 基于第二信道信息,第一基站进一步估计(404)第二组子帧的第二偏移值。 第一基站向用户设备发送(405)估计的第一偏移值和估计的第二偏移值。 第一基站然后从用户设备获得(407)信道状态信息。 信道状态信息基于发送的估计的第一偏移值和估计的第二偏移值。 信道状态信息用于第一基站中的传输。
    • 7. 发明申请
    • Methods in a Device-to-Device, D2D, Enabled User Equipment, a D2D Enabled User Equipment, Methods in a Base Station, a Base Station, Computer Programs and Computer Program Products
    • 设备到设备,D2D,启用用户设备,启用D2D的用户设备,基站中的方法,基站,计算机程序和计算机程序产品中的方法
    • US20140315541A1
    • 2014-10-23
    • US14356828
    • 2011-11-08
    • Qianxi LuYang HuQingyu MiaoXinghua Song
    • Qianxi LuYang HuQingyu MiaoXinghua Song
    • H04W76/04H04W24/10
    • H04W76/043H04L5/0051H04W24/10H04W76/14H04W76/23H04W88/06
    • The invention relates to a method (20) in a device-to-device, D2D, enabled user equipment (12) of a communication system (10). The D2D enabled user equipment (12) supports D2D-communication with another D2D-enabled user equipment (15). The communication system (10) comprises a base station (15) serving one or more cellular user equipment (14) unable to support D2D communication. The D2D enabled user equipment (2, 15) and the cellular user equipment (14) share the same communication resources. The method (20) comprises: receiving (21), from the base station (13), configuration parameters comprising information on a reference signal pattern for use by the D2D enabled user equipment (12), and transmitting (22), based on the configuration parameters, cellular reference signals, enabling the cellular user equipment (14) to measure and report, to the base station (13), channel information on a channel from the D2D enabled user equipment (12) to the cellular user equipment (14). The invention also relates to D2D user equipment, methods in a base station, base station, computer programs and computer program products.
    • 本发明涉及一种在通信系统(10)的设备到设备(D2D)使能的用户设备(12)中的方法(20)。 启用D2D的用户设备(12)支持与另一个启用D2D的用户设备进行D2D通信(15)。 通信系统(10)包括服务于不能支持D2D通信的一个或多个蜂窝用户设备(14)的基站(15)。 启用D2D的用户设备(2,15)和蜂窝用户设备(14)共享相同的通信资源。 方法(20)包括:从基站(13)接收(21)包括关于由启用D2D的用户设备(12)使用的参考信号模式的信息的配置参数,以及基于 配置参数,蜂窝基准信号,使蜂窝用户设备(14)能够测量并向基站(13)报告从启用D2D的用户设备(12)到蜂窝用户设备(14)的信道上的信道信息, 。 本发明还涉及D2D用户设备,基站,基站,计算机程序和计算机程序产品中的方法。
    • 8. 发明授权
    • Method and arrangement for adapting power of reference signals
    • 适应参考信号功率的方法和装置
    • US08649793B2
    • 2014-02-11
    • US12955191
    • 2010-11-29
    • Yang HuDavid AstelyGeorge JongrenJianfeng Wang
    • Yang HuDavid AstelyGeorge JongrenJianfeng Wang
    • H04W72/00
    • H04B7/0426H04L5/0023H04L5/0048H04W52/325H04W52/42
    • A method and an arrangement in a radio network node for adapting transmission power of resource elements for demodulation reference signals, referred to as “reference elements” are provided. The radio network node is configured for multiple-input multiple-output transmission, referred to as “MIMO transmission”, to a user equipment. The MIMO transmission comprises at least three layers. Two consecutive subcarriers of a resource block carry at least three reference elements. A first subcarrier of the resource block carries data elements. The radio network node adapts transmission power of said at least three reference elements such that an average transmission power, over said two consecutive subcarriers, of said at least three reference elements is equal to a transmission power, for the first subcarrier, of the data elements for said at least three layers. The radio network node uses the adapted transmission power to transmit, to the user equipment, said at least three reference elements.
    • 提供了一种称为“参考元件”的用于调整用于解调参考信号的资源元素的发送功率的无线电网络节点中的方法和装置。 将无线电网络节点配置为用于多用户设备的多输入多输出传输(称为“MIMO传输”)。 MIMO传输包括至少三层。 资源块的两个连续子载波携带至少三个参考元素。 资源块的第一子载波携带数据元素。 无线电网络节点适应所述至少三个参考元件的发射功率,使得所述至少三个参考元件的所述两个连续子载波上的平均发射功率等于数据元素的第一子载波的发射功率 用于所述至少三层。 无线电网络节点使用适配的传输功率向用户设备发送所述至少三个参考元件。