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    • 2. 发明申请
    • METHOD AND SYSTEM FOR PERFORMING HANDOVER OF MULTIMODE-MULTIBAND TERMINAL BY USING MULTI TARGET CELL IN MOBILE COMMUNICATION ENVIRONMENT
    • 通过在移动通信环境中使用多目标小区来执行多模多端终端切换的方法和系统
    • WO2006019269A1
    • 2006-02-23
    • PCT/KR2005/002714
    • 2005-08-18
    • SK TELECOM CO., LTD.KIM, YounglakSHIN, SunghoIHM, Jongtae
    • KIM, YounglakSHIN, SunghoIHM, Jongtae
    • H04B7/26
    • H04W36/14H04W36/30H04W88/06
    • Disclosed are a method and a system for performing handover of a multimode-multiband terminal by using multi- target cells in a mobile communication environment. The method for performing handover of a multimode-multiband terminal using multi-target cells in a mobile communication environment, which increases a probability of handover and improves communication quality by using the multi-target cells in a mobile communication system including a CDMA-2000 system, which includes a base station transmitter and a base station controller and provides a CDMA-2000 service to a terminal requesting connection, and a WCDMA system, which includes a radio transceiver subsystem (RTS) and a radio network controller (RNC) and provides a WCDMA service to the terminal requesting the terminal, comprises the steps of: (a) receiving a WCDMA signal transmitted from the WCDMA system through a WCDMA modem and measuring an energy of carrier/interference of others (Ec/Io) value; (b) turning on a CDMA-2000 modem according to the measured value and entering into an idle state; (c) creating multi-target cell information by monitoring a target cell for handover; (d) requesting handover to the WCDMA system; (e) receiving a handover command from the WCDMA system; and (f) turning off the WCDMA modem and switches a communication link to the CDMA-2000 system through the CDMA-2000 modem.
    • 公开了一种通过在移动通信环境中使用多目标小区来执行多模多频带终端的切换的方法和系统。 一种在移动通信环境中使用多目标小区执行多模多频带终端的切换的方法,其通过在包括CDMA-2000系统的移动通信系统中使用多目标小区来增加切换的概率并提高通信质量 ,其包括基站发射机和基站控制器,并且向请求连接的终端提供CDMA-2000服务,以及包括无线电收发器子系统(RTS)和无线电网络控制器(RNC)的WCDMA系统,并且提供 向终端请求终端的WCDMA业务包括以下步骤:(a)通过WCDMA调制解调器接收从WCDMA系统发送的WCDMA信号,并测量其他载波/干扰能量(Ec / Io)值; (b)根据测量值开启CDMA-2000调制解调器并进入空闲状态; (c)通过监视用于切换的目标小区来创建多目标小区信息; (d)请求切换到WCDMA系统; (e)从WCDMA系统接收切换命令; 和(f)关闭WCDMA调制解调器,并通过CDMA-2000调制解调器将通信链路切换到CDMA-2000系统。
    • 6. 发明申请
    • METHOD AND SYSTEM FOR CONTROLLING REVERSE LINK RATE IN CDMA 1XEV-DO MOBILE COMMUNICATION SYSTEM
    • 用于控制CDMA 1XEV-DO移动通信系统中的反向链路速率的方法和系统
    • WO2005013513A1
    • 2005-02-10
    • PCT/KR2004/001928
    • 2004-07-30
    • SK TELECOM CO., LTD.IHM, JongtaeLEE, JaemoonYANG, HojinCHOI, JintaeJO, SunghoHAN, Sangjin
    • IHM, JongtaeLEE, JaemoonYANG, HojinCHOI, JintaeJO, SunghoHAN, Sangjin
    • H04B7/26
    • H04B7/264
    • A method and a system for controlling a reverse link rate in a CDMA mobile communication system is provided. A method for controlling a reverse link rate by using the number of active users who are carrying out communication in a CDMA 1xEV-DO mobile communication system, comprising the steps of: (a) measuring a value of rise-over-thermal (ROT) at each antenna end of a wireless base station to obtain a measured ROT value; (b) comparing the measured ROT value with a threshold ROT which defines an allowable limit of the ROT; (c) setting a reverse activation control bit as 0 to be transmitted to a mobile terminal if the comparison result in step (b) reveals that the measured ROT value is smaller than or equal to the threshold ROT; (d) comparing the number of the active users with a threshold user number which defines an allowable limit of the active users if the comparison result in step (b) reveals that the measured ROT value is greater than the threshold ROT; (e) setting the reverse activation control bit as 0 to be transmitted to the mobile terminal if the comparison result in step (d) reveals that the number of the active users is smaller than or equal to the threshold user number; and (f) setting the reverse activation control bit set as 1 to be transmitted to the mobile terminal if the comparison result in step (d) reveals that the number of the active users is greater than the threshold user number.
    • 提供了一种用于控制CDMA移动通信系统中的反向链路速率的方法和系统。 一种通过使用在CDMA 1xEV-DO移动通信系统中进行通信的活动用户的数量来控制反向链路速率的方法,包括以下步骤:(a)测量上升热(ROT) 在无线基站的每个天线端,以获得测量的ROT值; (b)将测量的ROT值与定义ROT的允许极限的阈值ROT进行比较; (c)如果步骤(b)中的比较结果显示测量的ROT值小于或等于阈值ROT,则将反向激活控制位设置为0以发送到移动终端; (d)如果步骤(b)中的比较结果显示测量的ROT值大于阈值ROT,则比较活动用户的数量与限定活动用户的允许限制的阈值用户号码; (e)如果步骤(d)中的比较结果显示有效用户的数量小于或等于阈值用户号码,则将反向激活控制位设置为0以发送到移动终端; 以及(f)如果步骤(d)中的比较结果显示有效用户的数量大于阈值用户号码,则将设置为1的反向激活控制位设置为发送到移动终端。
    • 7. 发明申请
    • METHOD AND SYSTEM FOR RING BACK TONE ALTERNATIVE SERVICE BASED ON TERMINAL AND MOBILE COMMUNICATION TERMINAL THEREFOR
    • 基于终端和移动通信终端的铃声替换服务的方法和系统
    • WO2007119990A1
    • 2007-10-25
    • PCT/KR2007/001827
    • 2007-04-16
    • SK TELECOM.CO., LTD.PARK, SeongsooWOO, DaesicLEE, DonghahkYU, JaehwangIHM, JongtaeOH, Sehyun
    • PARK, SeongsooWOO, DaesicLEE, DonghahkYU, JaehwangIHM, JongtaeOH, Sehyun
    • H04Q7/38
    • H04M3/42017H04W68/00
    • Disclosed is a method and a system for providing a terminal-based ringback tone substitute service, as well as a mobile communication terminal for the same. The method includes the steps of (a) receiving a request for an originating call for voice communication with a called terminal from a calling terminal; (b) transmitting a ringback tone start message to the calling terminal, the ringback tone start message being a control message informative of beginning of a ringback tone section; (c) paging the called terminal; (d) transmitting a ringback tone termination message to the calling terminal, the ringback tone termination message being a control message informative of ending of the ringback tone section, and connecting the voice communication between the calling terminal and the called terminal when a response to paging is received from the called terminal; and (e) transmitting the ringback tone termination message to the calling terminal and transmitting unanswered messages to the calling terminal when no response to the paging is received from the called terminal. The mobile communication terminal can play a high-quality ringback tone substitute without being affected by the voice channel environment.
    • 公开了一种用于提供基于终端的回铃音替代服务的方法和系统,以及用于其的移动通信终端。 该方法包括以下步骤:(a)从呼叫终端接收与被叫终端进行话音通信的发起呼叫请求; (b)向所述主叫终端发送回铃音开始消息,所述回铃音开始消息是提供回铃音部分开头的控制消息; (c)寻呼被叫终端; (d)向所述主叫终端发送回铃音终止消息,所述回铃音终止消息是指示所述回铃音部分的结束的控制消息,并且当对所述呼叫终端响应寻呼时,连接所述主叫终端与被叫终端之间的语音通信 被叫终端接收; 以及(e)当从呼叫终端接收到对寻呼的无响应时,向呼叫终端发送回铃音终止消息并发送未应答的消息给主叫终端。 移动通信终端可以播放高质量的回铃音替代而不受语音信道环境的影响。