公开(公告)号：KR1020060110066A

公开(公告)日：2006-10-24

申请号：KR1020050032231

申请日：2005-04-19

Applicant: 삼성전자주식회사

Inventor： 노정민 ,  박지훈

IPC: H04B1/38 ,  H04B7/26

CPC classification number: H04W88/06 ,  H04B7/2628 ,  H04B2201/70726 ,  H04W48/18

Abstract: A method for effectively performing roaming between different mobile communication modes and a dual mode terminal therefor are provided to minimize time taken for roaming without using a timer for counting time estimated for preparing roaming. A CDMA modem(310) processes signals transmitted/ received to/from the first communication network. A WCDMA modem(320) transmits/receives packets through a communication path connected with the CDMA modem(310) and processes signals transmitted/received to/from the second communication network. A controller(340) checks whether a mobile terminal is roamed at a position where communication is possible with the CDMA modem(310). When the terminal moves to a communication available area, the controller(340) turns on the WCDMA modem(320). When the WCDMA modem(320) is ready for roaming, the controller(340) connects a switch connected with the CDMA modem(310) to the WCDMA modem(320) to perform a mode according to the WCDMA modem(320).

Abstract translation: 提供了一种用于在不同移动通信模式之间有效地进行漫游的方法和其双模终端，以最小化漫游所花费的时间，而不使用计时器来计算估计用于准备漫游的时间。 CDMA调制解调器（310）处理向/从第一通信网络发送/接收的信号。 WCDMA调制解调器（320）通过与CDMA调制解调器（310）连接的通信路径发送/接收分组，并处理从/从第二通信网络发送/接收的信号。 控制器（340）检查移动终端是否在与CDMA调制解调器（310）进行通信的位置漫游。 当终端移动到通信可用区域时，控制器（340）打开WCDMA调制解调器（320）。 当WCDMA调制解调器（320）准备好漫游时，控制器（340）将与CDMA调制解调器（310）连接的交换机连接到WCDMA调制解调器（320），以执行根据WCDMA调制解调器（320）的模式。

公开(公告)号：KR1020050082062A

公开(公告)日：2005-08-22

申请号：KR1020040010417

申请日：2004-02-17

Applicant: 삼성전자주식회사

Inventor： 이종필

IPC: H04B1/7083 ,  H04B1/709

CPC classification number: H04B1/7083 ,  H04B1/709 ,  H04B2201/70714 ,  H04B2201/70726 ,  H04J13/10

Abstract: PSC 및 SSC에 대한 공통적인 부분 상관을 이용하는 광대역 CDMA 셀 탐색기 및 그 방법이 개시된다. 상기 광대역 CDMA의 셀 탐색기는, PSC/SSC 코드에 공통적으로 사용될 수 있는 부분 상관값들을 PSC/SSC 상관기에서 계산하여 소정 메모리에 저장하고, 이를 재사용하는 방법을 통하여, 하나의 상관기에 의하여 PSC 및 SSC 코드에 대하여 동시에 상관을 수행하는 파이프라인 구조를 채택하였다.

公开(公告)号：KR1020030096782A

公开(公告)日：2003-12-31

申请号：KR1020020033800

申请日：2002-06-17

Applicant: 엘지전자 주식회사

Inventor： 김상준

IPC: H04B1/7115 ,  H04B7/08 ,  H04J13/00

CPC classification number: H04B1/7115 ,  H04B7/0845 ,  H04B2201/70719 ,  H04B2201/70726 ,  H04B2201/7097 ,  H04J13/00

Abstract: PURPOSE: A method is provided to increase the capacity of the base station and cell coverage by reducing interference of user terminal. CONSTITUTION: A method comprises a first step(S1) of estimating an initial value of a weight vector; a second step(S2) of calculating a vector and a scalar by using the estimated initial value; and a third step(S3) of updating and standardizing the weight vector through the differential search approach by using the calculated vector and scalar.

Abstract translation: 目的：通过减少用户终端的干扰，提高基站容量和小区覆盖的方法。 构成：一种方法包括估计权重向量的初始值的第一步骤（S1） 通过使用估计的初始值来计算矢量和标量的第二步骤（S2）; 以及通过使用所计算的向量和标量通过差分搜索方法来更新和标准化权重向量的第三步骤（S3）。

公开(公告)号：KR1020010084095A

公开(公告)日：2001-09-06

申请号：KR1020000008879

申请日：2000-02-23

Applicant: 삼성전자주식회사

Inventor： 황승오 ,  이현우 ,  박성일 ,  최호규 ,  김재열 ,  구창회 ,  문현정 ,  최성호 ,  김규웅

IPC: H04J13/18

CPC classification number: H04B7/2612 ,  H04B7/264 ,  H04B2201/70726 ,  H04J13/0044 ,  H04J13/20

Abstract: PURPOSE: A method and apparatus for assigning a channel of a common packet channel of a CDMA(Code Division Multiple Access) communication system is provided to perform a data communication through the common packet channel in an asynchronous CDMA communication system. CONSTITUTION: A MAC(Medium Access Control) layer receives a MAC-DATA-REQ primitive from an RLC(Radio Link Control)(3201), and initializes a variable M value needed for counting a preamble romping cycle and a variable FCT(Frame Counter Transmitted) needed for counting the number of transmitted frame as 0(3202). The MAC layer obtains parameters needed for transmission of a CPCH(Common Packet Channel) from an RRC(Radio Resource Control)(3203). The MAC layer compares a transmission speed capable of transmission in a PCPCH(Physical Common Packet Channel) with a transmission speed required in the PCPCH(3208). If it is an acceptable transmission speed, the MAC selects a transport format(TF) which wishes to transmit the CHCH(3209). The MAC layer derives a random value R for performing a persistency test to attempt whether an access is attempted to the PCPCH for supporting the selected TF(3210). The MAC layer accurately performs an initial delay time(3213) and transmits a PHY-Access_REQ primitive for instructing a physical layer so that the physical layer performs a procedure for transmitting an access preamble to the physical layer(3213). The MAC layer selects a suitable TF and generates a transport block set suitable for the selected TF(3215). The MAC transmits the generated transport block set using the PHY-DATA_REQ primitive(3216). The MAC decreases the FCT by the number of frame corresponding to one TTI(3217), and transmits data to the CPCH(3218).

Abstract translation: 目的：提供一种用于分配CDMA（码分多址）通信系统的公共分组信道的信道的方法和装置，以在异步CDMA通信系统中通过公共分组信道执行数据通信。 构成：MAC（介质访问控制）层从RLC（无线电链路控制）（3201）接收MAC-DATA-REQ原语，并初始化用于计数前导码循环周期和变量FCT（帧计数器）所需的变量M值 传输）需要将发送帧的数量计数为0（3202）。 MAC层从RRC（无线资源控制）（3203）获得用于发送CPCH（公共分组信道）所需的参数。 MAC层将PCPCH（物理公共分组信道）中能够发送的传输速度与PCPCH（3208）中所需的传输速度进行比较。 如果是可接受的传输速度，则MAC选择希望发送CHCH的传输格式（TF）（3209）。 MAC层导出用于执行持久性测试的随机值R，以尝试是否尝试对PCPCH进行访问以支持所选择的TF（3210）。 MAC层精确地执行初始延迟时间（3213）并发送用于指示物理层的PHY-Access_REQ原语，使得物理层执行用于向物理层发送接入前导码的过程（3213）。 MAC层选择合适的TF并生成适合所选TF的传输块集合（3215）。 MAC使用PHY-DATA_REQ原语（3216）发送生成的传输块集合。 MAC将FCT减少对应于一个TTI的帧数（3217），并将数据发送到CPCH（3218）。