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    • 93. 发明申请
    • HIGH ACCURACY, HIGH DYNAMIC RANGE LED/LASER DRIVER
    • 高精度,高动态范围的LED /激光驱动器
    • US20130147393A1
    • 2013-06-13
    • US13492841
    • 2012-06-09
    • Cristiano BazzaniFabio GozziniTao Chen
    • Cristiano BazzaniFabio GozziniTao Chen
    • H05B37/02
    • H05B37/02H05B33/0851
    • A current driver circuit, for driving a light source, that provides high accuracy and reduced power consumption is disclosed. The driver includes a digital to analog converter configured to receive a digital value representing a light intensity and convert the digital value to an analog current signal. A current minor is configured to receive the analog current signal and create a current minor output which is larger than the analog current signal based on a ratio of the current mirror. This results in a modified analog current signal. A light source receives the modified analog current signal, and responsive thereto generate a light signal such that the light signal has an intensity controlled by the digital value. One or more amplifiers are also part of the current driver and configured to increase response time and accuracy.
    • 公开了一种用于驱动光源的电流驱动电路,其提供高精度和降低的功耗。 驱动器包括数模转换器,其被配置为接收表示光强度的数字值,并将数字值转换为模拟电流信号。 当前小电流被配置为接收模拟电流信号并基于电流镜的比率产生大于模拟电流信号的电流次要输出。 这导致修改的模拟电流信号。 光源接收修改的模拟电流信号,并且响应于此产生光信号,使得光信号具有由数字值控制的强度。 一个或多个放大器也是当前驱动器的一部分,并且被配置为增加响应时间和精度。
    • 96. 发明申请
    • METHOD AND APPARATUS FOR TRIGGERING MEASUREMENT REPORTING BASED UPON NEIGHBOR CELL INTERFERENCE
    • 用于根据邻域细胞干扰触发测量报告的方法和装置
    • US20130045693A1
    • 2013-02-21
    • US13209945
    • 2011-08-15
    • Tao ChenKeiichi KubotaBrian Martin
    • Tao ChenKeiichi KubotaBrian Martin
    • H04W24/00
    • H04W24/10
    • A method, apparatus and computer program product are provided for triggering a measurement report from a mobile terminal, such as a mobile terminal is in the CELL_FACH state, to a network entity in an instance in which the mobile terminal may be creating neighbor cell interference. Based upon the measurement report, the serving cell may modify the operation of the mobile terminal in order to reduce the potential for neighbor cell interference. In this regard, a method is provided that includes determining two or more parameters indicative of neighbor cell interference. In instance in which the parameters satisfy respective thresholds, the method also causes a measurement report including an indication of at least one of the parameters to be provided to a network element.
    • 提供了一种方法,装置和计算机程序产品,用于在移动终端可能正在创建相邻小区干扰的情况下,将诸如移动终端处于CELL_FACH状态的移动终端的测量报告触发到网络实体。 基于测量报告,服务小区可以修改移动终端的操作,以减少相邻小区干扰的可能性。 在这方面,提供了一种方法,其包括确定指示相邻小区干扰的两个或更多个参数。 例如,其中参数满足相应的阈值,该方法还引起测量报告,其包括要提供给网络元件的至少一个参数的指示。
    • 97. 发明申请
    • IMAGE ENCODING APPARATUS, IMAGE DECODING APPARATUS, IMAGE ENCODING METHOD, AND IMAGE DECODING METHOD
    • 图像编码装置,图像解码装置,图像编码方法和图像解码方法
    • US20120314965A1
    • 2012-12-13
    • US13579905
    • 2011-12-21
    • Yoshiichiro KashiwagiTao Chen
    • Yoshiichiro KashiwagiTao Chen
    • G06K9/36
    • H04N19/30H04N19/597H04N19/98
    • An image coding apparatus to reduce data involved in coding a picture having a bit-depth higher than a bit-depth supported by an encoder, includes a down-converter which generates a base layer picture by down-converting a target picture to reduce the bit-depth of the target picture by a first value, a first encoder codes the base layer picture to generate a reconstructed picture by decoding the coded base layer picture, a subtractor performs shift amount adjustment on the reconstructed picture to increase the bit-depth of the reconstructed picture by a second value, and generates, based on the reconstructed picture on which the adjustment has been performed and the target picture, an enhancement layer picture for enhancing the quality of the base layer picture, a second encoder codes the enhancement layer picture; and an output unit outputs the coded base layer picture and the coded enhancement layer picture.
    • 一种用于减少编码具有比编码器支持的比特深度的位深度的图像所涉及的数据的图像编码装置包括:下变频器,其通过对目标图像进行下变频来生成基本层图像,以减少位 目标图像的深度以第一值为单位,第一编码器对基本层图像进行编码,以通过对编码的基本层图像进行解码来生成重建图像,减法器对重构图像执行移位量调整,以增加对目标图像的位深度 根据第二值重建图像,并且基于已经执行了调整的重构图像和目标图像生成用于增强基本层图像的质量的增强层图像,第二编码器对增强层图像进行编码; 并且输出单元输出编码的基本层图像和编码的增强层图像。
    • 98. 发明申请
    • Frequency Hopping in License-Exempt/Shared Bands
    • 免许可证/共享频段跳频
    • US20120307869A1
    • 2012-12-06
    • US13274800
    • 2011-10-17
    • Gilles CharbitTao Chen
    • Gilles CharbitTao Chen
    • H04B1/713
    • H04W72/082H04B1/715H04W16/14H04W72/1215
    • RRC signaling is used to configure a user device for N secondary cells SCells on license-exempt channels wi in a frequency hopping channel set W={wi} where i=1,2, . . . N. Then cross-carrier scheduling is sent on a primary cell PCell to schedule a frequency hopping FH resource block hi on the ith license-exempt channel wi. Based on measurements of at least some of the license-exempt channels wi received from at least the user device, parameters for the frequency hopping are adapted. The FH resource block contains M physical resource blocks, scheduled for the SCell during a FH time interval Tu*L+j by a resource grant sent on a PDCCH of the PCell. In an embodiment the RRC signaling is sent by a micro access node/HeNB on the PCell, the cross carrier scheduling is sent also by the micro access node/HeNB on the PCell, and the PCell lies within an LTE licensed frequency band.
    • RRC信令用于配置N个辅助小区的用户设备在跳频信道集合W = {wi}其中i = 1,2,...的许可证免除信道上。 。 。 然后,在主小区PCell上发送跨载波调度,以在第i个免许可频道wi上调度跳频FH资源块hi。 基于至少从至少一个用户设备接收到的至少一些免许可频道的测量,适配跳频的参数。 FH资源块包含通过在PCell的PDCCH上发送的资源授权在FH时间间隔Tu * L + j期间为SCell调度的M个物理资源块。 在一个实施例中,RRC信令由PCell上的微接入节点/ HeNB发送,交叉载波调度也由PCell上的微接入节点/ HeNB发送,并且PCell位于LTE许可频带内。
    • 99. 发明申请
    • Cellular Control Sensing for Multicell Device-to-Device Interference Control
    • 多芯片器件到器件干扰控制的蜂窝控制传感
    • US20120300662A1
    • 2012-11-29
    • US13574561
    • 2010-01-22
    • Haiming WangTao ChenTao Peng
    • Haiming WangTao ChenTao Peng
    • H04W72/04H04W24/00
    • H04W72/02H04W72/0406H04W72/082H04W76/14H04W84/18H04W92/18
    • A method, apparatus, computer readable medium is provided to perform resource coordination among multiple cells to cancel near-far interference for device-to-device transmission, including cross-cell device-to-device transmission. In this context, a dedicated resource exchanging channel can be defined between cellular user equipment and device-to-device user equipment for interference control and resource coordination. A cellular user equipment can forward its uplink resource grant information over the dedicated resource exchanging channel when it determines potential interference. A device-to-device user equipment can monitor the dedicated resource exchanging channel in order to identify one or more resources that can potentially interfere with device-to-device transmission.
    • 提供了一种方法,装置,计算机可读介质,以执行多个小区之间的资源协调,以消除设备到设备传输的近距离干扰,包括跨小区设备到设备传输。 在这种情况下,可以在蜂窝用户设备和设备到设备用户设备之间定义专用资源交换信道用于干扰控制和资源协调。 当蜂窝用户设备确定潜在的干扰时,蜂窝用户设备可以通过专用资源交换信道转发其上行链路资源许可信息。 设备到设备用户设备可以监视专用资源交换信道,以便识别可能潜在地干扰设备到设备传输的一个或多个资源。