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    • 2. 发明申请
    • METHOD DEVICE AND SYSTEM FOR CONTROLLING HANDOFF
    • 用于控制手柄的方法装置和系统
    • WO2012079242A1
    • 2012-06-21
    • PCT/CN2010/079931
    • 2010-12-17
    • SIEMENS AKTIENGESELLSCHAFTLAMPE, MattiasZHANG, JieVORNHOLZ, Hans-JoachimKUHN, Matthias
    • LAMPE, MattiasZHANG, JieVORNHOLZ, Hans-JoachimKUHN, Matthias
    • H04W36/00H04W36/08H04W84/12
    • H04W36/08H04W36/0033H04W36/0083
    • A handoff control method is provided. The method includes the following steps. Handoff status information of a first mobile host (MH) is collected, wherein the handoff status information includes at least one parameter, the parameter is used for representing at least one status happened during the first MH performs handoff from a source access point (AP) to a target AP. The first MH includes at least one MH. According to the handoff status information, a handoff policy is generated, wherein the handoff policy is used for optimizing a handoff process of an MH associated with the source AP, and the handoff process occurs after the first MH is handed off from the source AP. The handoff policy is sent to the MH associated with the source AP, so the MH associated with the source AP can performs handoff according to the handoff policy. A handoff control device and a system are further provided. Therefore, technical solutions may optimize the handoff process, reduce a total time delay of handoff, and increase a possibility of successful handoff.
    • 提供了切换控制方法。 该方法包括以下步骤。 收集第一移动主机(MH)的切换状态信息,其中切换状态信息包括至少一个参数,该参数用于表示在第一MH执行从源接入点(AP)的切换期间发生的至少一个状态, 到目标AP。 第一MH包括至少一个MH。 根据切换状态信息,生成切换策略,其中切换策略用于优化与源AP相关联的MH的切换过程,并且切换处理在从源AP切换第一MH之后发生。 切换策略被发送到与源AP相关联的MH,因此与源AP相关联的MH可以根据切换策略执行切换。 还提供越区切换控制装置和系统。 因此,技术解决方案可以优化切换过程,减少切换的总时间延迟,并增加切换成功的可能性。
    • 3. 发明申请
    • A COMMUNICATION METHOD FOR A RADIO SYSTEM AND APPARATUS AND SYSTEM FOR IMPLEMENTING THE METHOD
    • 一种用于无线电系统的通信方法和用于实现该方法的装置和系统
    • WO2009092723A2
    • 2009-07-30
    • PCT/EP2009/050641
    • 2009-01-21
    • SIEMENS AKTIENGESELLSCHAFTHORST, DieterLAMPE, MattiasYU, DanYUAN, YongZHANG, Jie
    • HORST, DieterLAMPE, MattiasYU, DanYUAN, YongZHANG, Jie
    • H04B7/02H04B5/00
    • The present invention provides a communication method for a radio system, and an apparatus and a system for implementing the method. In which case, a reflection-transmission apparatus (3) is disposed in said radio system; during a communication process, said reflection-transmission apparatus's reflection feature and transmission feature presented to the radiof requency are changed, so as to introduce a multi-path signal component which changes with time; during the communication process, a transmitting apparatus (3) transmits communication signals to a receiving apparatus, and said receiving apparatus receives and combines the multi-path signal component of said communication signals; and said radio system carries out communication by utilizing time diversity effects. The present invention is particularly suitable to a radiof requency identification system (4), and by way of the method, apparatus and system of the present invention, continued communication blind spots in the system can be reduced effectively, thereby improving the overall success rate for the radiof requency identification system (4) to read the tags 21, 22, 23 and accomplishing a better balance with the overall reading time.
    • 本发明提供一种无线电系统的通信方法,以及用于实现该方法的装置和系统。 在这种情况下,反射传输装置(3)设置在所述无线电系统中; 在通信过程中,所述反射传输装置的反射特征和呈现给射频的传输特征被改变,以便引入随时间变化的多径信号分量; 在通信过程中,发送装置(3)向接收装置发送通信信号,并且所述接收装置接收并组合所述通信信号的多路径信号分量; 并且所述无线电系统通过利用时间分集效应来进行通信。 本发明特别适合于射频识别系统(4),并且通过本发明的方法,装置和系统,可以有效地降低系统中的连续通信盲点,从而提高整体成功率 射频识别系统(4)读取标签21,22,23,并且与整体读取时间完成更好的平衡。
    • 5. 发明申请
    • A METHOD FOR DIAGNOSIS OF FAULT IN VEHICULAR WIRELESS COMMUNICATION SYSTEMS
    • 一种用于诊断无线通信系统故障的方法
    • WO2011086094A1
    • 2011-07-21
    • PCT/EP2011/050339
    • 2011-01-12
    • SIEMENS AKTIENGESELLSCHAFTKUHN, MatthiasLAMPE, MattiasVORNHOLZ, Hans-JoachimZHANG, Jie
    • KUHN, MatthiasLAMPE, MattiasVORNHOLZ, Hans-JoachimZHANG, Jie
    • H04W24/08H04L12/24
    • H04W24/08H04L41/0631H04L41/0654H04W24/02
    • The present invention proposes a method for diagnosis of fault in vehicular wireless communication systems, the system comprises a backbone network, more than one Access Point connected to said backbone network and more than one client, and the method comprises: (1) each of said Access Points receives the received signal strength indications (RSSIs) transmitted by each of the clients connected with them, and each of said clients receive the RSSIs transmitted by each of the Access Points connected with them; (2) said Access Points and clients respectively store the received RSSIs and collect the statistics of the stored RSSIs; or, said Access Points and clients respectively transmit the received RSSIs to fault diagnosis server and said fault diagnosis server stores the received RSSIs and collects the statistics of the stored RSSIs; (3) determine the fault in said communication systems based on said statistics. By using the method of the present invention, the element at which the fault has occurred can be determined more accurately, and the process can be performed in the normal operation of the system.
    • 本发明提出一种诊断车载无线通信系统故障的方法,该系统包括骨干网,连接至所述骨干网和多个客户端的多个接入点,该方法包括:(1)所述 接入点接收与其相连的每个客户端发送的接收信号强度指示(RSSI),并且每个所述客户端接收由它们连接的每个接入点发送的RSSI; (2)所述接入点和客户端分别存储所接收的RSSI并收集所存储的RSSI的统计信息; 或者,所述接入点和客户端分别将接收到的RSSI发送到故障诊断服务器,并且所述故障诊断服务器存储所接收的RSSI并收集所存储的RSSI的统计信息; (3)基于所述统计确定所述通信系统中的故障。 通过使用本发明的方法,可以更精确地确定发生故障的元件,并且可以在系统的正常操作中执行处理。
    • 7. 发明申请
    • METHOD AND APPARATUS FOR PROVIDING ENERGY TO PASSIVE TAGS IN A RADIO -FREQUENCY IDENTIFICATION SYSTEM
    • 提供无线电频率识别系统中被动标签的能量的方法和装置
    • WO2009095409A1
    • 2009-08-06
    • PCT/EP2009/050944
    • 2009-01-28
    • SIEMENS AKTIENGESELLSCHAFTHORST, DieterLAMPE, MattiasYU, DanYUAN, Yong
    • HORST, DieterLAMPE, MattiasYU, DanYUAN, Yong
    • G06K7/00
    • G06K7/0008G06K7/10217G06K19/0707G06K19/0712
    • The present invention provides a method and an apparatus for providing energy to passive tags (4) in a radio-frequency identification system (1). In a radio-frequency identifycation system (1) using the passive tags (4), a reader/writer (2) will send commands and continuous waves (10) alternately during a communication process, and the tags (4) can obtain energy from these signals sent by said reader/writer (2). The method of the present invention is that, at least one period is selected from those periods for transmitting the continuous waves (10), and for the continuous wave (10) transmitting signals during this period, an enhanced transmitting power is used, or a extended transmitting time is used, or during this period continuous waves (10) are sent additionally to the tags (4) by an independent energy supplying apparatus (24) provided separately, so that the tags (4) can obtain from the continuous waves (10) during said selected period more energy for reading and/or writing, thereby improving the reliability of the reading and/or writing operations, and increasing the rewritable range of the radio-frequency identification system (1).
    • 本发明提供了一种用于向射频识别系统(1)中的无源标签(4)提供能量的方法和装置。 在使用无源标签(4)的射频识别系统(1)中,读取器/写入器(2)将在通信过程中交替发送命令和连续波(10),并且标签(4)可以从 这些信号由所述读/写器(2)发送。 本发明的方法是从用于发送连续波(10)的那些周期中选择至少一个周期,并且对于在该周期期间的连续波(10)发送信号,使用增强发射功率,或 使用延长的发送时间,或者在此期间,单独设置的独立能量供给装置(24)将连续波(10)附加地发送到标签(4),使得标签(4)可以从连续波 10)在所述选择的周期期间更多的读取和/或写入能量,从而提高读取和/或写入操作的可靠性,并增加射频识别系统(1)的可重写范围。
    • 8. 发明申请
    • RADIO FREQUENCY SHIELD WITH PROXIMITY CHANGE ALERT FOR A CONTACTLESS DATA CARRIER
    • 无连接数据载波接收机更改警报的无线电频段
    • WO2011134772A1
    • 2011-11-03
    • PCT/EP2011/055498
    • 2011-04-08
    • SIEMENS AKTIENGESELLSCHAFTYUAN, YongLAMPE, MattiasYU, Dan
    • YUAN, YongLAMPE, MattiasYU, Dan
    • G06K7/00
    • H04B7/0404G06K7/0008G06K7/10316
    • The present invention discloses a method for switching an antenna in a radio frequency identification (RFID) system comprising a reader and a plurality of antennae; and said method comprises switching said reader in a sequential manner to each of the antennae successively according to a radio frequency communication signal from said reader, wherein said radio frequency communication signal is one for said reader to communicate with a tag. The present invention further discloses a device and a system for switching an antenna in an RFID system, and an antenna system and an antenna product based on this device for switching an antenna and based on the abovementioned method for switching an antenna, and the present invention further discloses a method for addressing antennae. By employing the present invention, it is simple to form a network and easy to implement one at low costs.
    • 本发明公开了一种在包括读取器和多个天线的射频识别(RFID)系统中切换天线的方法; 并且所述方法包括根据来自所述读取器的射频通信信号,以顺序方式将所述读取器切换到每个天线,其中所述射频通信信号是用于所述读取器与标签通信的信号。 本发明还公开了一种用于在RFID系统中切换天线的装置和系统,以及基于用于切换天线的该装置的天线系统和天线产品,并且基于上述天线切换方法,本发明 进一步公开了一种寻址天线的方法。 通过采用本发明,可以容易地形成网络并且以低成本容易地实现网络。
    • 9. 发明申请
    • COMMUNICATION METHOD AND COMMUNICATION SYSTEM FOR VEHICLE AND ROADSIDE EQUIPMENT
    • 车辆和道路设备的通信方法和通信系统
    • WO2012171870A1
    • 2012-12-20
    • PCT/EP2012/060992
    • 2012-06-11
    • SIEMENS AKTIENGESELLSCHAFTLAMPE, MattiasTIAN, Ji Feng
    • LAMPE, MattiasTIAN, Ji Feng
    • H04W36/08H04W76/02H04W36/22H04W84/12
    • H04W36/08H04W36/22H04W76/10H04W84/12
    • Disclosed in the present invention is a communication method and communication system for a vehicle (101) and roadside equipment. In particular, the method includes: assigning identical first Media Access Control (MAC) addresses to a plurality of first communication units (102) arranged in said roadside equipment; triggering a plurality of second communication units (103) arranged onboard said vehicle to monitor beacon signals sent out by said first communication units (102) when said vehicle (101) travels to get close to said roadside equipment; and sending out, when the intensity of the beacon signal monitored by any of said second communication units is greater than a preset threshold value, a request to said first MAC addresses by that second communication unit, so as to establish a communication connection between said vehicle (101) and said roadside equipment.
    • 在本发明中公开了一种用于车辆(101)和路边设备的通信方法和通信系统。 具体地说,该方法包括:向布置在所述路侧设备中的多个第一通信单元(102)分配相同的第一媒体访问控制(MAC)地址; 触发布置在所述车辆上的多个第二通信单元(103),用于当所述车辆(101)行进以接近所述路边设备时,监视由所述第一通信单元(102)发出的信标信号; 并且当由所述第二通信单元中的任一个监视的信标信号的强度大于预设阈值时,发送由所述第二通信单元对所述第一MAC地址的请求,以便建立所述车辆之间的通信连接 (101)和路边设备。
    • 10. 发明申请
    • COMMUNICATION METHOD, SYSTEM AND NETWORK NODES IN A LOW POWER COMMUNICATION NETWORK
    • 低功率通信网络中的通信方法,系统和网络节点
    • WO2009053480A1
    • 2009-04-30
    • PCT/EP2008/064484
    • 2008-10-24
    • SIEMENS AKTIENGESELLSCHAFTLAMPE, MattiasLI, Juan JuanTONG, JieWU, JinYAN, Fang
    • LAMPE, MattiasLI, Juan JuanTONG, JieWU, JinYAN, Fang
    • H04W48/12
    • H04W48/12H04W52/0219H04W84/18Y02D70/142
    • The present invention provides a communication method in a low power communication network, a corresponding low power communication network system and a network node, which enables low power consumption by the data transmission node in the low power communication network while ensuring the communication efficiency of the low power communication network. In this case, the network comprises a first network node and a second network node; the first network node transmits a beacon frame, said beacon frame is used to indicate the time for data transmission by the first network node; the second network node detects said beacon frame to synchronize its data transmission with the first network node. Furthermore, the first network node transmits a dummy beacon frame before it transmits the beacon frame, said dummy beacon frame is used to indicate the time for transmitting the beacon frame; the second network node detects the dummy beacon frame before it detects the beacon frame to acquire the time for transmitting the beacon frame, and carries out data transmission with the first network node synchronously after it has detected the beacon frame.
    • 本发明提供了一种低功率通信网络中的通信方法,相应的低功率通信网络系统和网络节点,其能够实现低功率通信网络中的数据传输节点的低功耗,同时确保低功率通信网络的通信效率 电力通信网络。 在这种情况下,网络包括第一网络节点和第二网络节点; 第一网络节点发送信标帧,所述信标帧用于指示第一网络节点进行数据传输的时间; 第二网络节点检测所述信标帧以使其数据传输与第一网络节点同步。 此外,第一网络节点在发送信标帧之前发送虚拟信标帧,所述虚拟信标帧用于指示发送信标帧的时间; 第二网络节点在检测到信标帧之前检测虚拟信标帧以获取用于发送信标帧的时间,并且在检测到信标帧之后同步地执行与第一网络节点的数据传输。