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    • 1. 发明申请
    • Receiver and Method for the Reception of a Node by a Receiver in a Wireless Network
    • 用于在无线网络中由接收机接收节点的接收机和方法
    • US20140315508A1
    • 2014-10-23
    • US14257473
    • 2014-04-21
    • Tilo FerchlandRolf JaehneFrank PoegelEric Sachse
    • Tilo FerchlandRolf JaehneFrank PoegelEric Sachse
    • H04B17/00H04W4/00H04W24/00
    • H04B17/318H04B1/7073H04L7/042H04W4/80H04W24/00
    • In one embodiment, a method includes receiving a radio frequency (RF) signal; synchronizing the received RF signal with a preamble to determine a time base; determining a first energy value of the received RF signal by averaging received signal strength indication (RSSI) values of the received RF signal over a first period of time; determining a second energy value of the received RF signal over a second period of time; determining a difference value between the first energy value and the second energy value; comparing the difference value with a predetermined energy threshold value; determining a quality value of the received RF signal; comparing the quality value of the received RF signal with a predetermined quality threshold value; and, if the difference value exceeds the predetermined energy threshold value or the quality value is below the predetermined quality threshold value, then erasing the time base.
    • 在一个实施例中,一种方法包括接收射频(RF)信号; 将接收到的RF信号与前导码同步以确定时基; 通过在第一时间段内平均所接收的RF信号的接收信号强度指示(RSSI)值来确定所接收的RF信号的第一能量值; 在第二时间段内确定所接收的RF信号的第二能量值; 确定所述第一能量值和所述第二能量值之间的差值; 将所述差值与预定能量阈值进行比较; 确定所接收的RF信号的质量值; 将所接收的RF信号的质量值与预定质量阈值进行比较; 并且如果差值超过预定能量阈值或质量值低于预定质量阈值,则擦除时基。
    • 2. 发明授权
    • Receiver and method for the reception of a node by a receiver in a wireless network
    • 用于由无线网络中的接收机接收节点的接收机和方法
    • US08705670B2
    • 2014-04-22
    • US13182286
    • 2011-07-13
    • Tilo FerchlandRolf JaehneFrank PoegelEric Sachse
    • Tilo FerchlandRolf JaehneFrank PoegelEric Sachse
    • H04L27/06
    • H04B17/318H04B1/7073H04L7/042H04W4/80H04W24/00
    • In one embodiment, a method includes receiving a radio frequency (RF) signal; synchronizing the received RF signal with a preamble to determine a time base; determining a first energy value of the received RF signal by averaging received signal strength indication (RSSI) values of the received RF signal over a first period of time; determining a second energy value of the received RF signal over a second period of time; determining a difference value between the first energy value and the second energy value; comparing the difference value with a predetermined energy threshold value; determining a quality value of the received RF signal; comparing the quality value of the received RF signal with a predetermined quality threshold value; and, if the difference value exceeds the predetermined energy threshold value or the quality value is below the predetermined quality threshold value, then erasing the time base.
    • 在一个实施例中,一种方法包括接收射频(RF)信号; 将接收到的RF信号与前导码同步以确定时基; 通过在第一时间段内平均所接收的RF信号的接收信号强度指示(RSSI)值来确定所接收的RF信号的第一能量值; 在第二时间段内确定所接收的RF信号的第二能量值; 确定所述第一能量值和所述第二能量值之间的差值; 将所述差值与预定能量阈值进行比较; 确定所接收的RF信号的质量值; 将所接收的RF信号的质量值与预定质量阈值进行比较; 并且如果差值超过预定能量阈值或质量值低于预定质量阈值,则擦除时基。
    • 5. 发明申请
    • Receiver and Method for the Reception of a Node by a Receiver in a Wireless Network
    • 用于在无线网络中由接收机接收节点的接收机和方法
    • US20120039424A1
    • 2012-02-16
    • US13182286
    • 2011-07-13
    • Tilo FerchlandRolf JaehneFrank PoegelEric Sachse
    • Tilo FerchlandRolf JaehneFrank PoegelEric Sachse
    • H04L27/06
    • H04B17/318H04B1/7073H04L7/042H04W4/80H04W24/00
    • In one embodiment, a method includes receiving a radio frequency (RF) signal; synchronizing the received RF signal with a preamble to determine a time base; determining a first energy value of the received RF signal by averaging received signal strength indication (RSSI) values of the received RF signal over a first period of time; determining a second energy value of the received RF signal over a second period of time; determining a difference value between the first energy value and the second energy value; comparing the difference value with a predetermined energy threshold value; determining a quality value of the received RF signal; comparing the quality value of the received RF signal with a predetermined quality threshold value; and, if the difference value exceeds the predetermined energy threshold value or the quality value is below the predetermined quality threshold value, then erasing the time base.
    • 在一个实施例中,一种方法包括接收射频(RF)信号; 将接收到的RF信号与前导码同步以确定时基; 通过在第一时间段内平均所接收的RF信号的接收信号强度指示(RSSI)值来确定所接收的RF信号的第一能量值; 在第二时间段内确定所接收的RF信号的第二能量值; 确定所述第一能量值和所述第二能量值之间的差值; 将所述差值与预定能量阈值进行比较; 确定所接收的RF信号的质量值; 将所接收的RF信号的质量值与预定质量阈值进行比较; 并且如果差值超过预定能量阈值或质量值低于预定质量阈值,则擦除时基。
    • 8. 发明申请
    • Device for transmitting and receiving
    • 发送和接收设备
    • US20070086532A1
    • 2007-04-19
    • US11583009
    • 2006-10-19
    • Tilo FerchlandMenno MennengaFrank PoegelAttila Roemer
    • Tilo FerchlandMenno MennengaFrank PoegelAttila Roemer
    • H04L27/00
    • H04L1/1887H04L1/1867H04W52/0229H04W88/02Y02D70/142Y02D70/144Y02D70/162Y02D70/22
    • A device for transmitting and receiving is disclosed that includes: a) an antenna, b) a transmitting/receiving unit for transmitting and receiving data according to a communications standard, which has a transmitting unit, connected to the antenna, for transmitting first data frames to a second transmitting/receiving device and a receiving unit, connected to the antenna, for receiving second data frames from the second transmitting/receiving device, and c) a control unit, connected to the transmitting/receiving unit for controlling the transmitting/receiving unit, whereby the control unit is designed (c1) to instruct the transmitting/receiving unit to transmit a first data frame and (c2) to receive the second data frame from the transmitting/receiving unit. According to the invention, the transmitting/receiving unit has a controller, which is connected to the receiving unit and the control unit and is designed d) to evaluate a second data frame, received by the receiving unit within a predefined time interval after the transmission of the first data frame, and to determine whether the second data frame contains an acknowledgment message for the successful receipt of the first data frame by the second transmitting/receiving device, and e) not to relay the second data frame to the control unit, if it is determined that it contains the acknowledgment message.
    • 公开了一种用于发送和接收的设备,包括:a)天线,b)发送/接收单元,用于根据通信标准发送和接收数据,该通信标准具有连接到天线的发送单元,用于发送第一数据帧 连接到天线的第二发送/接收设备和接收单元,用于从第二发送/接收设备接收第二数据帧,以及c)控制单元,连接到发送/接收单元,用于控制发送/接收 单元,由此控制单元被设计为(c 1)以指示发送/接收单元发送第一数据帧,(c 2)从发送/接收单元接收第二数据帧。 根据本发明,发送/接收单元具有控制器,其连接到接收单元和控制单元,并且被设计为d)在传输之后的预定时间间隔内评估由接收单元接收的第二数据帧 并且确定第二数据帧是否包含用于由第二发送/接收装置成功接收第一数据帧的确认消息,以及e)不将第二数据帧中继到控制单元, 如果确定它包含确认消息。
    • 9. 发明授权
    • Differential detection a communication system
    • 通信系统中的差分检测
    • US08477829B2
    • 2013-07-02
    • US13314999
    • 2011-12-08
    • Frank PoegelTilo FerchlandThomas Hanusch
    • Frank PoegelTilo FerchlandThomas Hanusch
    • H04B1/707
    • H04L27/2331H04B1/707H04B1/70735
    • In one embodiment, a detection unit includes a sequence providing unit to provide a third group of derived sequences. The third group for each first pseudo noise (PN) sequence has a derived sequence assigned to the first PN sequence. The detection unit includes a correlation unit, which is connected to the sequence providing unit and formed to calculate correlation results by correlating the differentially demodulated signal with each derived sequence of the third group. The detection unit includes an evaluation unit, which is connected to the correlation unit and is formed to derive the values of the data symbols by evaluating the correlation results.
    • 在一个实施例中,检测单元包括提供第三组导出序列的序列提供单元。 每个第一伪噪声(PN)序列的第三组具有分配给第一PN序列的导出序列。 检测单元包括相关单元,该相关单元连接到序列提供单元,并形成为通过将差分解调信号与第三组的每个导出序列进行相关来计算相关结果。 检测单元包括评估单元,其连接到相关单元并且被形成为通过评估相关结果来导出数据符号的值。
    • 10. 发明申请
    • Transmitting/Receiving Device and Method for Transmitting Data in a Radio Network
    • 发射/接收装置及其在无线网络中传输数据的方法
    • US20120064842A1
    • 2012-03-15
    • US13046557
    • 2011-03-11
    • Tilo FerchlandSascha BeyerFrank PoegelThomas Hanusch
    • Tilo FerchlandSascha BeyerFrank PoegelThomas Hanusch
    • H04B1/44
    • H04B1/401H04B7/0608H04B7/0805H04W4/80
    • In one embodiment, a method includes receiving an instruction for a transceiver of a device to transmit a first data frame; in response to the instruction, generating a first control signal for a switch to couple the transceiver to a first antenna for transmission of the first data frame by the transceiver via the first antenna; determining whether the transceiver has received within a pre-determined time interval after the transmission of the first data frame a second data frame containing an acknowledgement message confirming successful receipt of the first data frame by another device; and, if the transceiver has not received within the pre-determined time interval after the transmission of the first data frame the second data frame, then generating a second control signal for the switch to couple the transceiver to the second antenna for re-transmission of the first data frame by the transceiver via a second antenna.
    • 在一个实施例中,一种方法包括:接收用于设备的收发器发送第一数据帧的指令; 响应于该指令,产生用于开关的第一控制信号以将收发器耦合到第一天线,用于经由第一天线由收发器传输第一数据帧; 在所述第一数据帧发送之后,确定所述收发器是否在预定时间间隔内接收到包含确认消息的第二数据帧,所述确认消息确认由另一设备成功接收到所述第一数据帧; 并且如果在第一数据帧发送第二数据帧之后收发器尚未在预定时间间隔内接收,则产生第二控制信号用于开关将收发器耦合到第二天线以重新传输 经由第二天线的收发器的第一数据帧。