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    • 7. 发明公开
    • 비승인 대역을 이용한 무선 자원 할당 시스템 및 그 방법
    • 使用不同的使用条带的方法分配无线电资源的系统
    • KR1020090038254A
    • 2009-04-20
    • KR1020070103659
    • 2007-10-15
    • 삼성전자주식회사
    • 최현호장경훈현태인이인선김영수황효선안현기권태수
    • H04B7/26
    • H04W72/087H04W16/28
    • A system and a method for assigning a radio resource by using an unlicensed band in order to increase the capacity of a communication system are provided to prevent the degradation of the communications system by allocating the usable unlicensed band to the mobile terminal. A radio resource recognition unit(210) recognizes an unlicensed band capable of using licensed band. A state information generation unit(220) determines whether the paper in which the mobile terminal is satisfied with the service product specifications based on the signal-to-interference ratio and signal-to-noise ratio of the mobile terminal. The state information generator determines the mobile terminal in the unlicensed band. The state information generator produces the status information based on the decision result. A radio resource assignment unit(230) assigns one of the usable licensed band or the usable unlicensed band to the radio resource for the mobile terminal based on the status information.
    • 提供了一种用于通过使用非许可频带来分配无线电资源以增加通信系统的容量的系统和方法,以通过将可用的未许可频带分配给移动终端来防止通信系统的恶化。 无线电资源识别单元(210)识别能够使用许可频带的未授权频带。 状态信息生成单元(220)基于移动终端的信号干扰比和信噪比来确定移动终端对服务产品规格是否满意的纸张。 状态信息发生器确定未许可频带中的移动终端。 状态信息发生器根据决策结果生成状态信息。 无线电资源分配单元(230)基于状态信息将可用的许可频带或可用的未许可频带中的一个分配给移动终端的无线电资源。
    • 9. 发明公开
    • 잉여 채널을 이용한 채널간 간섭을 감소하는 방법 및 장치.
    • 使用提示信道的信道间干扰减少的方法和设备
    • KR1020090026661A
    • 2009-03-13
    • KR1020070091768
    • 2007-09-10
    • 삼성전자주식회사
    • 이인선장경훈안현기현태인김영수황효선
    • H04B7/26
    • H04B17/0082H04B15/02
    • A method and an apparatus for reducing inter-channel interference using a redundancy channel by using a share or opening channel instead of currently used channel are provided to increase the frequency using rate by using the redundancy channel. An MS(Mobile Station) determines whether to generate ICI(Inter Channel Interference)(S220). If the ICI is generated, the MS transmits residual channel allocation request signal to a predetermined base station(S230). The MS receives the redundancy channel information which becomes by the base station(S250). According to the redundancy channel information, the MS converts into the allocated redundancy channel(S260). The MS communicates with the base station through the redundancy channel(S270).
    • 提供一种通过使用共享或开放信道而不是当前使用的信道来减少使用冗余信道的信道间干扰的方法和装置,以通过使用冗余信道来增加频率使用率。 MS(移动台)确定是否产生ICI(Inter Channel Interference)(S220)。 如果产生ICI,则MS向预定的基站发送剩余信道分配请求信号(S230)。 MS接收由基站变成的冗余信道信息(S250)。 根据冗余信道信息,MS转换成分配的冗余信道(S260)。 MS通过冗余信道与基站进行通信(S270)。
    • 10. 发明公开
    • 릴레이 기반 시스템을 이용한 CR 환경의 통신 방법 및 그장치
    • 通过使用认知无线电技术中继系统进行通信的方法和装置
    • KR1020080066258A
    • 2008-07-16
    • KR1020070003471
    • 2007-01-11
    • 삼성전자주식회사인하대학교 산학협력단
    • 현태인김재명정재학유상조지영근
    • H04B7/14H04B7/26
    • H04B7/2606H04L27/2608H04W16/14H04W16/26H04W72/02H04W84/047
    • A communication method in a CR(Cognitive Radio) environment using a relaying system and an apparatus for the same are provided to search for unused radio resources more easily in a CR environment by securing available radio resources more stably in order to search for an available frequency band, without the necessity of searching a wide frequency band. A CRBS(CR Base Station) executes synchronization with a relaying system for data transmission to share radio resources(S101). Then the CRBS receives a Tx frame of the relaying system from a PBS(Primary BS) and acquires control information(S102). Based on the acquired control information, the CRBS confirms whether a relay user who downloads data through an RS(Relay Station) exists among the users of the PBS(S103). If such a relay user exists(S104), the CRBS confirms the location of the relay user's DL(Downlink)/UL(Uplink) burst data through the relay user's DL/UL map information(S106). The CRBS acquires the relay user's Tx signal during the first hop while the relay user is transmitting DL data(S107). Based on the acquired Tx signal, or DL burst data, the CRBS performs orthogonal coding for data to be transmitted(S108). The CRBS transmits the coded data during the second hop while the relay user is transmitting DL data(S109).
    • 提供了使用中继系统的CR(认知无线电)环境中的通信方法及其装置,用于通过更稳定地确保可用的无线电资源来更容易地在CR环境中搜索未使用的无线电资源,以便搜索可用的频率 频带,而不需要搜索宽频带。 CRBS(CR基站)与用于数据传输的中继系统执行同步以共享无线电资源(S101)。 然后,CRBS从PBS(主BS)接收中继系统的Tx帧,并获取控制信息(S102)。 基于获取的控制信息,CRBS确认在PBS的用户中是否存在通过RS(中继站)下载数据的中继用户(S103)。 如果存在这样的中继用户(S104),则CRBS通过中继用户的DL / UL映射信息来确认中继用户的DL(Downlink)/ UL(上行链路)突发数据的位置(S106)。 当中继用户正在发送DL数据时,CRBS在第一跳期间获取中继用户的Tx信号(S107)。 基于获取的Tx信号或DL突发数据,CRBS对要发送的数据执行正交编码(S108)。 在中继用户发送DL数据的同时,CRBS在第二跳期间发送编码数据(S109)。