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    • 33. 发明申请
    • Method for dynamically allocating time slots of a common TDMA broadcast channel to a network of transceiver nodes
    • 将公共TDMA广播信道的时隙动态地分配给收发器节点的网络的方法
    • US20020001294A1
    • 2002-01-03
    • US09855297
    • 2001-05-15
    • Konstantinos Amouris
    • H04B007/212
    • H04Q11/0421H04B7/2656H04Q2213/13098H04Q2213/13216H04Q2213/13292H04Q2213/13332H04Q2213/1334H04Q2213/13367H04Q2213/13392
    • A method for allocating a set of time slots belonging to a common time division multiple access (TDMA) channel to a network of transceiver nodes is provided. The method includes the steps of dividing the set of time slots into a plurality of time slot sub-sets; defining for each transceiver node a common function that assigns one time slot sub-set of the plurality of time slot sub-sets to each point in space, where each point in space is identified by a unique set of space coordinates; and performing the following steps for each one of the transceiver nodes: periodically identifying a set of space coordinates; and allocating to each transceiver node time slots belonging to the time slot sub-set assigned by the common function to the point in space identified by the periodically identified set of space coordinates. The method further includes the step of resolving time slot allocation conflicts occurring when at least two transceiver nodes are allocated time slots belonging to an identical time slot sub-set and the distance between the at least two transceiver nodes is less than a predetermined distance threshold. This step includes allocating to each one of the at least two transceiver nodes time slots belonging to a different time slot sub-set of the identical time slot sub-set. The periodically identified set of space coordinates corresponds to the current set of space coordinates for each one of the transceiver nodes.
    • 提供了一种将属于公共时分多址(TDMA)信道的一组时隙分配给收发机节点的网络的方法。 该方法包括以下步骤:将时隙集划分成多个时隙子集; 为每个收发器节点定义共同功能,其将多个时隙子集的一个时隙子集分配给空间中的每个点,其中空间中的每个点由唯一的空间坐标集合识别; 并为每个收发器节点执行以下步骤:周期性地识别一组空间坐标; 并且将属于由所述公共功能分配的时隙子集的时隙分配给每个收发器节点到由所述周期性识别的空间坐标集合识别的空间点。 所述方法还包括:当至少两个收发器节点被分配属于相同时隙子集的时隙并且所述至少两个收发器节点之间的距离小于预定距离阈值时,解决发生的时隙分配冲突的步骤。 该步骤包括分配属于相同时隙子集的不同时隙子集的至少两个收发器节点中的每一个的时隙。 定期识别的空间坐标集合对应于每个收发器节点的当前空间坐标集合。
    • 38. 发明授权
    • Subscriber multiplexer, a telephone system and a method for
communicating the condition of a subcriber interface
    • 用户多路复用器,电话系统和用于传达子条接口的状况的方法
    • US5974030A
    • 1999-10-26
    • US750525
    • 1996-12-13
    • Arto TiihonenVesa Tiainen
    • Arto TiihonenVesa Tiainen
    • H04M3/30H04J3/12H04J3/14H04M3/00H04Q3/42H04Q11/04H04J1/16
    • H04Q11/0421H04J3/12H04J3/14
    • A subscriber multiplexer includes a receiver for receiving signals transmitted from subscriber interfaces a feeder and for feeding those signals further to a telephone exchange via a respective PCM connection, and a feeder for feeding signals transmitted from the telephone exchange via the respective PCM connection further to the subscriber interfaces. For detecting the condition of the subscriber interfaces, the subscriber multiplexer includes measuring devices for checking the condition of the subscriber interface of the subscriber multiplexer, and a controller for activating the measuring devices in response to a measurement request signal transmitted by the telephone exchange via the respective PCM connection to achieve a measurement result, and for transmitting a message describing the measurement result to the telephone exchange to a telephone system and a method for communicating the condition of a subscriber interface of a subscriber multiplexer.
    • PCT No.PCT / FI95 / 00346 Sec。 371日期1996年12月13日第 102(e)日期1996年12月13日PCT提交1995年6月14日PCT公布。 公开号WO95 / 34966 1995年12月21日,一个用户多路复用器包括一个接收器,用于接收从用户接口发送的信号馈送器,并且经由相应的PCM连接将这些信号进一步馈送到电话交换机;以及馈线,用于馈送从电话交换机经由相应的 PCM连接进一步到订户接口。 为了检测用户接口的状况,用户多路复用器包括用于检查用户多路复用器的用户接口状况的测量设备,以及响应于由电话交换机经由该接口发送的测量请求信号来激活测量设备的控制器 相应的PCM连接以实现测量结果,并且用于将描述测量结果的消息发送到电话系统的电话交换机,以及用于传达用户多路复用器的用户界面的状况的方法。
    • 39. 发明授权
    • Mechanism for transporting digital pots signals within framing structure
of high bit rate digital local subscriber loop signals
    • 在高比特率数字本地用户环路信号的帧结构内传输数字电台信号的机制
    • US5909445A
    • 1999-06-01
    • US697052
    • 1996-08-19
    • Kevin W. Schneider
    • Kevin W. Schneider
    • H04J3/16H04J3/22H04Q11/04
    • H04Q11/0421H04J3/1623H04J3/22Y10S370/914
    • A local subscriber loop architecture embeds digitized POTS signals into the framing format of high bit rate digital subscriber loop signals being transported over a local loop for serving both subscriber digital terminal equipment and a POTS telephone. The remote transceiver unit is line-powered from the central office unit, facilitating installation of a reliable (office-powered) POTS interface (containing codec and subscriber line interface circuitry providing BORSHT functions) into the remote unit. The data rate of the added digital POTS signal is relatively small with respect to the data rate of the DSL channels, so that there is only slight increase in the overall data rate. As a consequence, adding the digital POTS signal has negligible impact on transport range. Moreover, the high-complexity analog filters used in an FDM architecture to separate the POTS signal from the DSL signal are not required
    • 本地用户环路架构将数字化POTS信号嵌入到通过本地环路传输的高比特率数字用户环路信号的成帧格式中,用于为用户数字终端设备和POTS电话服务。 远程收发器单元由中央办公室单元进行线路供电,便于将可靠(办公室供电的)POTS接口(包含提供BORSHT功能的编解码器和用户线接口电路)安装到远程单元中。 所附加的数字POTS信号的数据速率相对于DSL信道的数据速率相对较小,因此总体数据速率只有轻微的增加。 因此,添加数字POTS信号对传输范围的影响可以忽略不计。 此外,不需要在FDM架构中用于将POTS信号与DSL信号分离的高复杂度模拟滤波器