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    • 92. 发明申请
    • IMPROVED ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING (OFDM)
    • 改进的正交频分多址(OFDM)
    • WO2011060509A1
    • 2011-05-26
    • PCT/AU2010/001571
    • 2010-11-23
    • NATIONAL ICT AUSTRALIA LIMITEDLI, Yunxin
    • LI, Yunxin
    • H04L27/26H04J11/00
    • H04L27/3411H04B2201/70706H04L27/2618
    • A method for improving noise performance in a Radio Frequency (RF) transmitter that makes use of Orthogonal Frequency Division Multiplexing (OFDM). The method • comprising the steps of: receiving a stream of digital data symbols in the form of symbol vectors, for RF transmission after multiplexing onto a subset of a set of sub- carriers according to OFDM and transforming each received symbol vector to the time domain; generating a first time domain cancellation vector from a basis vector that has the same dimensionality as the symbol vectors. In the frequency domain the basis vector has substantially zero value in each of the first subset of sub-carriers of the symbol vector and in the time domain the difference between a first element of the basis vector having the highest value and a second element of the basis vector having the next highest value is maximised. The method also comprises processing each symbol vector by subtracting the first cancellation vector from it to produce a modified symbol vector having reduced Peak-to- Average Power Ratio (PAPR) and then iteratively generating a new cancellation vector using the modified symbol vector, and producing a new symbol vector have reduced Peak-to-Average Power Ratio (PAPR). Other aspects include software for performing the method, an RF transmitter for transmitting OFDM with improved noise performance characteristics, and an OFDM signal with improved noise performance characteristics.
    • 一种用于改善使用正交频分复用(OFDM)的射频(RF)发射机中的噪声性能的方法。 该方法包括以下步骤:以符号向量的形式接收数字数据符号流,用于根据OFDM复用到一组子载波的子集上之后的RF传输,并将每个接收的符号向量变换到时域 ; 从具有与符号向量相同的维度的基矢量生成第一时域消除矢量。 在频域中,基矢量在符号向量的子载波的第一子集中的每一个中具有基本为零的值,并且在时域中,具有最高值的基矢量的第一元素与第一元素之间的差 具有下一最高值的基矢量被最大化。 该方法还包括通过从其中减去第一抵消向量来处理每个符号向量,以产生具有降低的峰均功率比(PAPR)的修改符号向量,然后使用修改的符号向量迭代地生成新的取消向量,并产生 新的符号向量具有降低的峰均功率比(PAPR)。 其他方面包括用于执行该方法的软件,用于发送具有改进的噪声性能特性的OFDM的RF发射机和具有改进的噪声性能特性的OFDM信号。
    • 93. 发明申请
    • VISION ENHANCEMENT FOR A VISION IMPAIRED USER
    • 视力不良用户的愿景增强
    • WO2011041842A1
    • 2011-04-14
    • PCT/AU2010/001320
    • 2010-10-07
    • NATIONAL ICT AUSTRALIA LIMITEDBARNES, Nick
    • BARNES, Nick
    • A61F9/08G01S13/88G06F19/00
    • A61N1/36046A61N1/3606A61N1/36128
    • This invention concerns a vision enhancement apparatus that improves vision for a vision-impaired user of interface equipment. Interface equipment stimulates the user's cortex, directly or indirectly, to provide artificial vision. It may include a passive sensor to acquire real-time high resolution video data representing the vicinity of the user. A sight processor to receive the acquired high resolution data and automatically: Analyse the high resolution data to extract depth of field information concerning objects of interest. Extract lower resolution data representing the vicinity of the user. And, provide both the depth of field information concerning objects of interest and the lower resolution data representing the vicinity of the user to the interface equipment to stimulate artificial vision for the user.
    • 本发明涉及一种视觉增强装置,其提高界面设备的视力受损用户的视力。 界面设备直接或间接地刺激使用者皮质,提供人工视觉。 它可以包括无源传感器来获取表示用户附近的实时高分辨率视频数据。 用于接收所获取的高分辨率数据并自动进行的视觉处理器:分析高分辨率数据以提取关于感兴趣对象的景深信息。 提取表示用户附近的较低分辨率数据。 并且向接口设备提供关于感兴趣对象的景深信息和表示用户附近的较低分辨率数据,以刺激用户的人造视觉。
    • 94. 发明申请
    • OBJECT TRACKING FOR ARTIFICIAL VISION
    • 人工视觉对象跟踪
    • WO2011038465A1
    • 2011-04-07
    • PCT/AU2010/001290
    • 2010-09-30
    • NATIONAL ICT AUSTRALIA LIMITEDBARNES, NickSHEN, Chunhua
    • BARNES, NickSHEN, Chunhua
    • A61F2/00A61F2/14A61F9/08G06E1/00G06F9/00G06K9/32G06T7/00H04N7/00H04N15/00
    • G09B21/008A61F9/08A61N1/36046G06K9/605G06T11/60H04N7/002
    • This invention concerns the tracking of objects in video data for artificial vision; for instance for a bionic eye. More particularly, the invention concerns a vision enhancement apparatus for a vision-impaired user. In other aspects, the invention concerns a method for enhancing vision and software to perform the method. The image processor operates to process video data representing images of a scene. Automatically detect and track a user selected object, such as a face, in the images. And, automatically modify the video data, by reserving a user selected area of the displayed images for displaying the tracked object as a separate video tile within the scene. The separate video tile remains in the selected area despite movement of the camera relative to the scene, or movement of the user relative to the object or the scene.
    • 本发明涉及用于人造视觉的视频数据中的对象的跟踪; 例如用于仿生眼。 更具体地说,本发明涉及一种视觉障碍用户的视力增强装置。 在其他方面,本发明涉及用于增强视觉和软件以执行该方法的方法。 图像处理器操作以处理表示场景的图像的视频数据。 在图像中自动检测和跟踪用户选择的对象(如脸部)。 并且,通过将所显示的图像的用户选择区域保留为场景内的单独的视频图块来自动修改视频数据,用于显示被跟踪的对象。 尽管照相机相对于场景的移动,或相对于物体或场景的使用者的移动,单独的视频瓷砖保留在所选择的区域中。
    • 96. 发明申请
    • INTERFERENCE MANAGEMENT BETWEEN OVERLAPPING NETWORKS
    • 重叠网络之间的干扰管理
    • WO2010124331A1
    • 2010-11-04
    • PCT/AU2010/000490
    • 2010-04-28
    • NATIONAL ICT AUSTRALIA LIMITEDMINIUTTI, DinoHANLEN, LeifFANG, Gengfa
    • MINIUTTI, DinoHANLEN, LeifFANG, Gengfa
    • H04B15/00H04W72/04
    • H04W74/0875H04W16/14
    • This invention concerns the situation where there are plural networks (10') and (22') operating in the same environment, and where the networks spatially overlap (30'), for instance where the networks are co-located. In a first aspect the invention is a method for managing interference between these networks. The method comprises transmitting a priority data package (50) comprising at least a first priority data block and a second priority data block At least one of the priority data blocks are coded (86) before transmission using a code (88) that differentiates the priority data package (50) to mitigate interference. This is important since the priority data in the priority data package (50) is required to inform nodes of the network (10') how they can transmit data correctly. Further aspects of the invention are a network, transmitter such as a controller, node and priority data package.
    • 本发明涉及在相同环境中操作多个网络(10')和(22')以及网络在空间上重叠(30')的情况,例如在网络位于同一地点的情况。 在第一方面,本发明是用于管理这些网络之间的干扰的方法。 该方法包括发送包括至少第一优先级数据块和第二优先级数据块的优先级数据包(50)。在使用区分优先级的代码(88)之前,至少一个优先权数据块在传输之前被编码(86) 数据包(50)以减轻干扰。 这是重要的,因为优先级数据包(50)中的优先级数据需要通知网络的节点(10')如何正确地发送数据。 本发明的其它方面是网络,诸如控制器,节点和优先级数据包之类的发射机。
    • 97. 发明申请
    • ACTIVITY DETECTION
    • 活动检测
    • WO2010083562A1
    • 2010-07-29
    • PCT/AU2010/000056
    • 2010-01-21
    • NATIONAL ICT AUSTRALIA LIMITEDAUSTRALIAN SPORTS COMMISSIONSUNEHAG, PeterROBARDS, Matthew
    • SUNEHAG, PeterROBARDS, Matthew
    • G06F19/00A63B69/00
    • A63B69/12A61B5/1123A61B5/7267A61B2503/10A63B24/0006A63B2208/03A63B2220/40A63B2220/836G06K9/00335G06T7/20G06T2207/30221
    • The specification describes activity detection, such as training of an activity detector to detect activities represented in input time series data. One example of activities are swimming stokes, such as freestyle and breaststroke. Time series data representing an ordered sequence of activities (30) is provided as input. The method comprises repeatedly (60) generating a set of clusters of the time series data by iteratively (40) performing semi-Markov clustering on the data (30). A set of clusters that satisfy a criteria that is based on at least a list of activity types (32) is selected so that for each cluster of the selected set of clusters, associating an activity type based on the order of the activity types in the list. It is an advantage that the activity detector can be trained using minimal input, that is, only the time series data and the (received or known) list of ordered activity types. No annotated data is required. Aspects include methods, computer systems, activity detectors and software.
    • 该规范描述了活动检测,例如训练活动检测器以检测在输入时间序列数据中表示的活动。 活动的一个例子是游泳,如自由泳和蛙泳。 作为输入,提供表示有序的活动序列(30)的时间序列数据。 所述方法包括通过对所述数据(30)反复(40)执行半马尔可夫聚类来重复地(60)生成所述时间序列数据的集合集合。 选择满足至少基于活动类型列表(32)的标准的一组集群,使得对于所选集群的每个集群,基于活动类型的顺序将活动类型相关联 名单。 可以使用最小的输入,即只有时间序列数据和(已接收或已知)有序活动类型的列表来训练活动检测器是有利的。 不需要注释数据。 方面包括方法,计算机系统,活动检测器和软件。
    • 98. 发明申请
    • IDENTIFYING RELATIONSHIPS BETWEEN USERS OF A COMMUNICATIONS DOMAIN
    • 识别通信领域用户之间的关系
    • WO2010028437A1
    • 2010-03-18
    • PCT/AU2009/001186
    • 2009-09-10
    • NATIONAL ICT AUSTRALIA LIMITEDARDON, SebastienSENEVIRATNE, ArunaOTT, Maximillian
    • ARDON, SebastienSENEVIRATNE, ArunaOTT, Maximillian
    • H04L12/58G06F17/00H04L29/08
    • H04L67/306H04L51/00H04L63/04H04L63/0807
    • The invention enables identifying relationships between users of a online communications domain such as a social networking website. First identification tokens (20, 34 and 36) are stored that are each encrypted identification information associated with a domain user (A), (B) and (C). Then the service provider (58) receives relationship tokens (72) from a first user A, wherein each relationship token (72) is one-way encrypted identification information associated with a possible domain user (B) and (C). The service provider (58) compares the relationship tokens (72) to the identification tokens to identify any matches. For each match to a unique domain user (B) and (C), identifying a relationship between the first user and the domain user (B) and C associated with the matched identification token. This relationship allows communication in the domain between the first user (A) and the domain user (B) and (C). It is an advantage of the invention that the relationships between users can be identified while preserving their privacy. By receiving only encrypted identity information the underlying identity information is unintelligible to the communications domain.
    • 本发明能够识别诸如社交网站之类的在线通信域的用户之间的关系。 存储与域用户(A),(B)和(C)相关联的每个加密标识信息的第一识别令牌(20,34和36)。 然后,服务提供商(58)从第一用户A接收关系令牌(72),其中每个关系令牌(72)是与可能域用户(B)和(C)相关联的单向加密标识信息。 服务提供商(58)将关系令牌(72)与识别令牌进行比较以识别任何匹配。 对于与唯一域用户(B)和(C)的每个匹配,识别与匹配的识别令牌相关联的第一用户与域用户(B)和C之间的关系。 该关系允许在第一用户(A)和域用户(B)和(C)之间的域中的通信。 本发明的优点在于可以识别用户之间的关系,同时保持其隐私。 通过仅接收加密的身份信息,底层身份信息对于通信域是无法理解的。
    • 99. 发明申请
    • INTEGRATION OF MICROSTRIP ANTENNA WITH CMOS TRANSCEIVER
    • MICROSTRIP天线与CMOS收发器的集成
    • WO2009111839A1
    • 2009-09-17
    • PCT/AU2009/000302
    • 2009-03-13
    • NATIONAL ICT AUSTRALIA LIMITEDFELIC, GordanaSKAFIDAS, Stan
    • FELIC, GordanaSKAFIDAS, Stan
    • H01P5/107H01Q1/38
    • H01Q9/045H01Q23/00Y10T29/49018
    • A monolithic antenna element comprises a microstrip patch antenna and a ground plane, with a substrate between the patch antenna and the ground plane. A feeding via extends from the ground plane layer through the substrate to the patch antenna, connecting to the antenna distal from lateral edges of the antenna. A coplanar waveguide (CPW) feed line is formed in the ground plane layer, and interrupts and is electrically distinct from the ground plane. The CPW extends from a lateral edge of the ground layer to the feeding via. The antenna can be flip chip bonded to a CMOS die, reducing cost of millimetre wave transceivers, e.g. 57 - 64 GHz. The antenna is fabricated using standard PCB technology and a single substrate for the antenna. Antenna arrays can be fabricated. Appropriately designed antenna feeds, flip chip interconnects and antenna shape provide suitably broad antenna bandwidth, with relatively high efficiency.
    • 单片天线元件包括微带贴片天线和接地平面,在贴片天线和接地平面之间具有衬底。 馈电通道从接地平面层穿过衬底延伸到贴片天线,连接到远离天线侧边缘的天线。 共面波导(CPW)馈线形成在接地层中,中断并与地平面电气不同。 CPW从接地层的侧边缘延伸到馈送通道。 天线可以倒装芯片连接到CMOS芯片,降低了毫米波收发器的成本,例如。 57 - 64 GHz。 天线采用标准PCB技术制造,单个天线用于天线。 可以制造天线阵列。 适当设计的天线馈线,倒装芯片互连和天线形状提供了相当宽的天线带宽,效率相对较高。