公开(公告)号：US08489095B2

公开(公告)日：2013-07-16

申请号：US12870834

申请日：2010-08-29

申请人： Don-Sung Oh ,  Seung-Chan Bang ,  Il-Gyu Kim ,  Hyun-Kyu Chung

发明人： Don-Sung Oh ,  Seung-Chan Bang ,  Il-Gyu Kim ,  Hyun-Kyu Chung

IPC分类号： H04W4/00

CPC分类号： H04W4/08 ,  H04W8/186

摘要： A group service providing method and apparatus suitable for use in a wireless communication system. A group registration method for providing a group service to a master terminal and a slave terminal, the group registration method may comprise receiving and storing subscriber profile information of the master terminal from an associated communication network server in response to a group service registration request from the master terminal; generating a group related to the group service registration request and a group key corresponding to the generated group and transmitting to the master terminal a group generation completion message including the group key; receiving and storing subscriber profile information of the slave terminal dependent on the master terminal from the communication network server; and transmitting the group key to the slave terminal with reference to the subscriber profile information of the slave terminal.

摘要翻译： 适用于无线通信系统的组服务提供方法和装置。 一种用于向主终端和从终端提供组服务的组注册方法，组注册方法可以包括响应于来自相关联的通信网络服务器的组服务注册请求从相关联的通信网络服务器接收和存储主终端的订户简档信息 主终端 生成与组服务注册请求相关的组和与生成组对应的组密钥，并向主终端发送包括组密钥的组生成完成消息; 从通信网络服务器接收和存储取决于主终端的从属终端的用户简档信息; 并且参考从属终端的用户简档信息将组密钥发送到从终端。

公开(公告)号：US5740212A

公开(公告)日：1998-04-14

申请号：US696090

申请日：1996-08-13

申请人： Don-Sung Oh ,  Dong-Jin Shin ,  Young-Dae Lee

发明人： Don-Sung Oh ,  Dong-Jin Shin ,  Young-Dae Lee

IPC分类号： H04B7/005 ,  H04J3/06 ,  H04L7/00

CPC分类号： H04J3/062

摘要： The invention once stores PCM data to a memory and after a predetermined time is elapsed, reading in again and making to output whereby makes to delay the PCM data. The invention comprises a memory for once storing a PCM data converted to parallel, a delay time setting circuit for setting a delay time of PCM data, and a comparator and control circuit for comparing a setting value from the delay time setting circuit and a high order 10 bits writing address of the memory and thereby providing an address and control signal for either initiating a high order 10 bits reading address of the memory or else for writing or reading to the memory.

摘要翻译： 本发明一旦将PCM数据存储到存储器中，并且在经过预定时间之后，再次读取并进行输出，从而使PCM数据延迟。 本发明包括用于一次存储转换为并行的PCM数据的存储器，用于设置PCM数据的延迟时间的延迟时间设置电路，以及用于比较来自延迟时间设置电路的设置值和比较器的比较器和控制电路 10位写存储器的地址，从而提供地址和控制信号，用于启动存储器的高位10位读取地址，或者用于写入或读取到存储器。

公开(公告)号：US5594719A

公开(公告)日：1997-01-14

申请号：US350019

申请日：1994-11-29

申请人： Don-Sung Oh ,  Dong-Jin Shin

发明人： Don-Sung Oh ,  Dong-Jin Shin

IPC分类号： H04B3/23 ,  H04M3/00 ,  H04Q3/545 ,  H04J3/00

CPC分类号： H04Q3/54516 ,  H04B3/23 ,  H04M3/002

摘要： The invention is a method for controlling an echo canceller circuit including a data storage for storing a program for processing digital signals to cancel an echo in PCM encoded voice data, a plurality of digital signal processors each having a reset terminal and which are downloaded with the program which is executed by the plurality of digital signal processor to carry out removal of the echo in the PCM encoded voice data, and a one chip controller for performing control functions of the echo canceller. The method comprises the steps after completion of initialization of the one chip controller, controlling the reset terminals of the digital signal processors to maintain all of the digital signal processors in reset state; releasing one digital signal processor from the reset state and downloading the program to the one released digital signal processor from the data storage; and the released one digital signal processor processing the PCM encoded voice data with the program to remove the echo from the PCM encoded voice data.

摘要翻译： 本发明是一种用于控制回波消除电路的方法，包括：数据存储器，用于存储用于处理数字信号的程序，以消除PCM编码语音数据中的回波;多个数字信号处理器，每个数字信号处理器具有复位终端， 由多个数字信号处理器执行以执行PCM编码语音数据中的回波的程序，以及用于执行回波消除器的控制功能的单片控制器。 该方法包括完成单片机控制器初始化之后的步骤，控制数字信号处理器的复位端，使所有数字信号处理器保持复位状态; 从复位状态释放一个数字信号处理器，并从该数据存储器将该程序下载到一个已释放的数字信号处理器; 并且释放的一个数字信号处理器利用程序处理PCM编码的语音数据以从PCM编码的语音数据中去除回声。