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    • 82. 发明申请
    • DIGITAL MOBILE COMMUNICATION SYSTEM
    • 数字移动通信系统
    • WO1996016521A1
    • 1996-05-30
    • PCT/FI1995000641
    • 1995-11-21
    • NOKIA TELECOMMUNICATIONS OYLEHTIMÄKI, Matti
    • NOKIA TELECOMMUNICATIONS OY
    • H04Q07/30
    • H04W88/181
    • The present invention relates to a digital mobile communication system in which mobile stations (MS) and the fixed network comprise speech coders. The speech coders of the fixed network are located remote from the base stations (BTS) in transcoders (TRCU). In MMC calls, however, the transcoders are controlled to operate so that the frames received from a first base station (BTS) are forwarded with minor modifications through a pair of tandem connected transcoders to a second base station, without carrying out any speech encoding or decoding in the transcoders. Consequently, speech coding is only carried out in the mobile stations, and the speech parameters are simply passed through the mobile communication network, resulting in a significant improvement in the speech quality as compared with the conventional tandem coding.
    • 本发明涉及数字移动通信系统,其中移动台(MS)和固定网络包括语音编码器。 固定网络的语音编码器位于远离代码转换器(TRCU)中的基站(BTS)的位置。 然而,在MMC呼叫中,代码转换器被控制为操作,使得从第一基站(BTS)接收到的帧通过一对串联连接的代码转换器以小的修改被转发到第二基站,而不执行任何语音编码或 在代码转码器中进行解码。 因此,语音编码仅在移动台中进行,并且语音参数简单地通过移动通信网络,导致与常规串联编码相比语音质量的显着改善。
    • 83. 发明申请
    • ESTABLISHING A GROUP CALL IN A MOBILE RADIO SYSTEM
    • 建立移动无线电系统中的一个组织
    • WO1996015639A1
    • 1996-05-23
    • PCT/FI1995000614
    • 1995-11-10
    • NOKIA TELECOMMUNICATIONS OYAHVENAINEN, Jouko
    • NOKIA TELECOMMUNICATIONS OY
    • H04Q07/28
    • H04W84/08
    • A method and mobile radio system for establishing a group call extending to service areas of several exchanges (10, 12, 15, 14, 16) in a mobile radio system comprising at least a first (10) and a second (12) exchange, telecommunication media (101) for establishing communication connections between at least the first and the second exchange, and mobile stations (A-subscriber, B-subscriber) communicating via said exchanges; the method comprising the step of selecting a second exchange (12) to which the group call is routed from the first exchange (10). To save telecommunication resources in a mobile radio system, one checks, before routing the call to the second exchange (12), whether a telecommunication medium (101) has been previously allocated on the connection from the first (10) to the second exchange for the group call to be established, and routes said group call to be established from the first (10) to the second (12) exchange without allocating a new telecommunication medium to that connection, if a telecommunication medium has been previously allocated on that connection for said group call to be established.
    • 一种用于建立延伸到包括至少第一(10)和第二(12)交换的移动无线电系统中的多个交换机(10,12,15,14,16)的服务区域的群组呼叫的方法和移动无线电系统, 用于在至少第一和第二交换机之间建立通信连接的电信媒体(101)以及经由所述交换机进行通信的移动台(A用户,B用户); 该方法包括选择从第一交换机(10)路由群组呼叫的第二交换机(12)的步骤。 为了在移动无线电系统中保存电信资源,在路由到第二交换机(12)的呼叫之前,检查电信媒体(101)是否已经先前从第一(10)到第二交换机的连接分配 组呼叫被建立,并且将所述组呼从第(10)到第二(12)交换建立,而不向该连接分配新的电信媒体,如果电信媒体已经在该连接上预先分配了 该集团呼吁成立。
    • 84. 发明申请
    • OVERLOAD PREVENTION IN A TELECOMMUNICATIONS NETWORK NODE
    • 电讯网络节点过载防范
    • WO1996015634A2
    • 1996-05-23
    • PCT/FI1995000617
    • 1995-11-10
    • NOKIA TELECOMMUNICATIONS OYGINZBOORG, Philip
    • NOKIA TELECOMMUNICATIONS OY
    • H04Q03/00
    • H04Q3/66H04Q3/0091H04Q2213/13521H04Q2213/13561H04Q2213/13563
    • The invention relates to a method of preventing an overload in a telecommunications network node. The network comprises at least one service node (CN; SCP) and at least one other node (PN; SSP) from which the service node receives service requests. According to the method, the service node transmits restriction requests (CG) to a node connected thereto, so that said node would restrict the number of service requests it transmits towards the service node. The restriction request comprises a group of parameters that indicates how the node should perform restriction. A restriction request is transmitted at least whenever said group of parameters changes. In order to provide a simple and reliable method, (a) the service node adds to the restriction request it transmits information identifying the aforementioned group of parameters on the basis of which the node should perform restriction, (b) the node copies said information into its memory and transmits the data identifying the groups of parameters it uses back to the service node, and (c) the service node compares said data with the data it has transmitted, and decides on the basis of the comparison whether a restriction request is transmitted to the node which transmitted the data.
    • 本发明涉及一种防止电信网络节点过载的方法。 该网络包括至少一个业务节点(CN; SCP)和至少一个其他节点(PN; SSP),服务节点从该节点接收服务请求。 根据该方法,服务节点向与其连接的节点发送限制请求(CG),使得所述节点将向服务节点限制其发送的服务请求的数量。 限制请求包括指示节点如何执行限制的一组参数。 至少每当所述参数组变化时,发送限制请求。 为了提供一种简单可靠的方法,(a)服务节点添加到限制请求中,它发送标识上述参数组的信息,基于该参数组,节点应该执行限制,(b)节点将所述信息复制到 其存储器并将识别其使用的参数组的数据发送到服务节点,以及(c)服务节点将所述数据与其已经发送的数据进行比较,并且基于比较来确定是否发送限制请求 到发送数据的节点。
    • 85. 发明申请
    • CELLULAR RADIO SYSTEM AND A BASE STATION
    • 细胞无线电系统和基站
    • WO1996014720A1
    • 1996-05-17
    • PCT/FI1995000606
    • 1995-11-06
    • NOKIA TELECOMMUNICATIONS OYKOIVU, Vesa
    • NOKIA TELECOMMUNICATIONS OY
    • H04Q07/34
    • H04W24/00
    • The present invention relates to a cellular radio system comprising a base station controller (BSC) and base stations (BTS) connected to it. For an easy and reliable configuring of the base stations of the system, the system comprises at least two base stations (BTS) which are arranged to transmit a base station specific identification message to the base station controller (BSC) by utilizing the same predetermined communication channel (CH1) during initialization, whereby the base station controller (BSC) comprises means (1, 2, 3) for assigning a predetermined base station specific communication channel (CH5) to a base station by utilizing said predetermined communication channel (CH1) in response to receiving the identification message. The invention further relates to a base station.
    • 蜂窝无线电系统技术领域本发明涉及一种包括基站控制器(BSC)和连接到其的基站(BTS)的蜂窝无线电系统。 为了简单且可靠地配置系统的基站,系统包括至少两个基站(BTS),其被布置为通过利用相同的预定通信来向基站控制器(BSC)发送基站特定的标识消息 信道(CH1),由此基站控制器(BSC)包括用于通过利用所述预定通信信道(CH1)将预定的基站专用通信信道(CH5)分配给基站的装置(1,2,3) 响应接收识别信息。 本发明还涉及一种基站。
    • 86. 发明申请
    • DECISION-MAKING PROCESS FOR POINT-TO-MULTIPOINT NETWORKS
    • 裁决用于点对多点网络
    • WO1996013923A1
    • 1996-05-09
    • PCT/EP1995004119
    • 1995-10-20
    • NOKIA TELECOMMUNICATIONS OYBRUNDERT, MartinMUSIOL, Torsten
    • NOKIA TELECOMMUNICATIONS OY
    • H04L25/06
    • H04L25/062
    • A system is disclosed for point-to-multipoint data communications between a central station and a plurality of terminals connected to each other and to the central station by a network, in particular a passive optical network. Data transmission is carried out by time division multiplexing (TDM/TDMA). The central station has a d.c. coupled receiver with an amplifier for the optoelectrically converted signal, a memory for storing at each terminal a value corresponding to the peak value level, and a comparator that compares the signal to a reference voltage (V ref) derived from the peak value level of the corresponding burst and derives therefrom the digitalised signal. In order to reduce hardware complexity, the amplifier has a plurality of parallel amplifier units with constant amplification factors (G1, G2) that are alternatively selected by the control unit depending on the previously stored value of the peak value level (V peak) of the corresponding burst. Another comparator compares the amplified signal to the peak value level of the corresponding burst so that when a deviation is detected the stored value of the peak value level and the amplification factor for the present burst are adapted step by step.
    • 本发明涉及一种用于点对点,点对多点数据通信,其包括一个中央站和通过网络的多个,彼此和中心站连接的终端尤其是无源光网络的系统,在所述时域多路复用(TDM / TDMA)的业务发生时,与在 具有中心站设置DC-AC耦合接收装置,用于光电转换的信号的放大器,分配给对应于所述测量的峰值电平值的各自的终端存储的存储器,并且其中所述信号(具有可变从相应的脉冲串的参考电压的峰值电平得到的比较器单元 V REF)进行比较,并从这个,生成数字化的信号。 为了减小硬件复杂性中规定,该放大器具有多个交替地由控制单元与用于峰值电平的伴随每个突发先前存储的值(V峰值)选定根据并行放大器单元分别恒定放大率(G1,G2)的和 该进一步的比较器单元,在其中设置比较该放大信号与该各个突发峰值电平,使得将逐渐在为峰值电平与增益因子的当前突发的存储器值的偏差来调节相关联。
    • 87. 发明申请
    • A METHOD FOR ELIMINATING THE EFFECT OF DISTURBANCE FRAMES, AND A BASE STATION
    • 一种消除干扰框架的影响的方法和一个基站
    • WO1996013913A1
    • 1996-05-09
    • PCT/FI1995000589
    • 1995-10-25
    • NOKIA TELECOMMUNICATIONS OYVÄÄNÄNEN, Tuomo
    • NOKIA TELECOMMUNICATIONS OY
    • H04B07/26
    • H04W88/08
    • This invention relates to a method for eliminating the effect of disturbance frames in a radio communication system including a base station (BS) which comprises a radio receiver (RX) and telecommunication means for forwarding signals received from the radio path through a telecommunication connection, and in which system the signalling of the base station (BS) occurs on the speech path. In the method according to the invention, radio frequency signals received by the receiver (RX) of the base station (BS) are supervised in order to detect disturbance frames, and when a disturbance frame is detected, the forwarding of signals received by the receiver (RX) that received the disturbance frame is interrupted. The invention further relates to a base station.
    • 本发明涉及一种用于消除包括基站(BS)在内的无线电通信系统中的干扰帧的影响的方法,所述基站包括无线电接收机(RX)和用于通过电信连接转发从无线电路径接收的信号的电信装置,以及 在该系统中,基站(BS)的信令发生在语音路径上。 在根据本发明的方法中,监视由基站(BS)的接收机(RX)接收的射频信号,以便检测干扰帧,并且当检测到干扰帧时,由接收机接收的信号的转发 (RX)被中断。 本发明还涉及一种基站。
    • 88. 发明申请
    • METHOD FOR ESTABLISHING A PAM SIGNAL CONNECTION USINT A TRAINING SEQUENCE
    • 建立PAM信号连接的方法使用训练序列
    • WO1996013908A1
    • 1996-05-09
    • PCT/FI1995000598
    • 1995-10-30
    • NOKIA TELECOMMUNICATIONS OYTORSTI, Simo-Pekka
    • NOKIA TELECOMMUNICATIONS OY
    • H04B02/23
    • H04L25/0212H04L25/0224H04L25/03292H04L25/4917H04L27/02
    • The invention relates to a method for establishing a data communication connection in a data channel utilizing PAM signals, the transmitter transmitting a training sequence (t), formed of predetermined symbols, a predetermined number of times, in which method: the data channel is monitored in order to detect a predetermined signal, samples are taken and the amplification is adjusted in such a way that the signals settle at a predetermined level. In order that the method could be applied in a data channel with previously unknown properties, when the transmitter starts repeating the training sequence (t), the samples (t') taken from the data channel are buffered to form a sample sequence, the channel pulse response estimate (h) is calculated by convoluting the buffered samples (t') with a predetermined symbol sequence (r), a main sample is selected, correction coefficients are calculated on the basis of the samples preceding and following the main sample, and when the transmitter starts transmitting data, the samples taken from the data channel are corrected by utilizing the correction coefficients.
    • 本发明涉及一种利用PAM信号在数据信道中建立数据通信连接的方法,该发射机以预定次数发送由预定符号形成的训练序列(t),其中以下方法:监视数据信道 为了检测预定的信号,采集采样并以使信号稳定在预定水平的方式调整放大。 为了将该方法应用于具有先前未知属性的数据信道中,当发射机开始重复训练序列(t)时,从数据信道获得的采样(t')被缓冲以形成采样序列,信道 脉冲响应估计(h)通过用缓冲样本(t')与预定符号序列(r)进行卷积来计算,选择主样本,基于主样本之前和之后的样本计算校正系数,以及 当发射机开始发送数据时,通过利用校正系数来校正从数据信道取出的样本。