公开(公告)号：EP0003633B2

公开(公告)日：1986-05-21

申请号：EP79300016.7

申请日：1979-01-05

申请人： MOTOROLA, INC.

发明人： Little, Richard Irving ,  Lubin, Barry Donald ,  Spear, Stephen Lee

IPC分类号： H04Q11/04 ,  H04Q7/04

CPC分类号： H04W84/042 ,  H04Q11/0407

公开(公告)号：EP0003633B1

公开(公告)日：1982-12-08

申请号：EP79300016.7

申请日：1979-01-05

申请人： MOTOROLA, INC.

发明人： Little, Richard Irving ,  Lubin, Barry Donald ,  Spear, Stephen Lee

IPC分类号： H04Q11/04 ,  H04Q7/04

CPC分类号： H04W84/042 ,  H04Q11/0407

公开(公告)号：EP0003633A1

公开(公告)日：1979-08-22

申请号：EP79300016.7

申请日：1979-01-05

申请人： MOTOROLA, INC.

发明人： Little, Richard Irving ,  Lubin, Barry Donald ,  Spear, Stephen Lee

IPC分类号： H04Q11/04 ,  H04Q7/04

CPC分类号： H04W84/042 ,  H04Q11/0407

摘要： A telephone system for providing communications between mobile radiotelephones, portable radiotelephones and land-line telephones, as illustrated in Fig. 1, includes a land-line telephone system including a land-line switching network (20) for providing communication paths for land-line telephones, and a mobile radiotelephone system (30, 40, 50 and 60) for providing communication paths for mobile and portable radiotelephones. The mobile radiotelephone system includes a digital switching network (40), base stations (60), and PCM analog-to-digital (A/ D) and digital-toanalog (D/A) converters (30) interposed between the base stations (60) and the digital switching network (40) and between the land-line switching network (20) and the digital switching network (40). Analog ports are Interfaced by the PCM A/D and D/A converters (30) to incoming and outgoing serial bit streams coded according to pulse-code-modulation (PCM) techniques standardized for telecommunications systems by the International Telegraph and Telephone Consultative Committee (CCITT).
The digital switching network (40) receives the incoming serial PCM bit streams and provides the outgoing serial PCM bit streams so that telephone calls are automatically routed between the calling and called parties In the telephone system. Supervisory signalling is detected from the Incoming serial PCM bit streams and processed by a signal processing unit (50) to determine an ordering of time slots for the PCM channels for controlling the Interchange of PCM channels from the incoming serial PCM bit streams to the outgoing PCM channels corresponding to the incoming supervisory signalling from incoming PCM channels is adapted to a pre-established format recognized by the corresponding outgoing PCM channels and multiplexed into the respective outgoing serial PCM bit streams.

摘要翻译： 用于提供移动无线电话机，便携式无线电话机和地面电话之间的通信的电话系统包括陆线电话系统，其包括用于提供陆线电话的通信路径的陆线交换网络（20）和移动无线电话系统 （30,40,50和60），用于为移动和便携式无线电话提供通信路径。 移动无线电话系统包括位于基站之间的数字交换网络（40），基站（60）和PCM模数（A / D）和数模转换（D / A）转换器（30） 60）和数字交换网络（40）之间以及陆地交换网络（20）和数字交换网络（40）之间。 模拟端口由PCM A / D和D / A转换器（30）连接到根据由国际电话电话咨询委员会为电信系统标准化的脉冲码调制（PCM）技术编码的输入和输出串行比特流（ CCITT）。 数字交换网络（40）接收输入的串行PCM比特流并提供输出串行PCM比特流，使得电话呼叫在电话系统中的呼叫方和被叫方之间自动路由。 从输入的串行PCM比特流检测监控信令并由信号处理单元（50）处理，以确定用于控制PCM信道从输入串行PCM比特流到出局PCM的PCM信道的交换的时隙的顺序 对应于来自输入PCM信道的传入监控信令的信道适用于由对应的输出PCM信道识别的预先建立的格式并被复用到相应的输出串行PCM比特流中。