会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 5. 发明公开
    • 무선 인터넷 시스템의 암호화 장치 및 그 방법과, 복호화장치 및 그 방법
    • 装置和加密方法,装置和移动互联网系统的分解方法
    • KR1020070061686A
    • 2007-06-14
    • KR1020050121337
    • 2005-12-10
    • 한국전자통신연구원삼성전자주식회사에스케이브로드밴드주식회사에스케이텔레콤 주식회사주식회사 케이티
    • 오정훈김현재김영일
    • H04L9/06H04L12/28H04L9/18H04L9/28
    • H04L9/0637H04L9/0625H04L9/0631H04L9/0643H04L2209/80
    • An apparatus and a method for encrypting a mobile Internet system, and an apparatus and a method for decrypting the mobile Internet system are provided to improve encryption and decryption performance of the system by differently setting encryption and decryption modes according to a service of the mobile Internet system. An apparatus for encrypting a mobile Internet system includes an encryption input selection unit(110), first and second encryption units(120,130), and an encryption output selection unit(140). The encryption input selection unit(110) selectively outputs at least one plaintext inputted from the outside and an initial value corresponding to the number of each plaintext based on an encryption mode set by a sort of a service. The first and second encryption units(120,130) perform an encryption of each block by using the plaintext and the initial value which are selectively outputted from the encryption input selection unit(110). The encryption output selection unit(140) determines an output form of a ciphertext which is encrypted from the first and second encryption units(120,130) according to the encryption mode.
    • 提供了一种用于加密移动因特网系统的装置和方法,以及用于解密移动因特网系统的装置和方法,以通过根据移动互联网的服务不同地设置加密和解密模式来提高系统的加密和解密性能 系统。 一种用于加密移动因特网系统的装置包括加密输入选择单元(110),第一和第二加密单元(120,130)和加密输出选择单元(140)。 加密输入选择部(110)根据由服务种类设定的加密方式,有选择地输出从外部输入的至少一个明文和对应于每个明文的个数的初始值。 第一和第二加密单元(120,130)通过使用从加密输入选择单元(110)选择性地输出的明文和初始值来执行每个块的加密。 加密输出选择单元(140)根据加密模式确定从第一和第二加密单元(120,130)加密的密文的输出形式。
    • 6. 发明公开
    • 무선 인터넷 시스템의 하위 매체 접근 계층 장치 및 그를이용한 데이터 처리 방법
    • 用于移动互联网系统的低MAC层的设备和数据处理方法
    • KR1020070061684A
    • 2007-06-14
    • KR1020050121329
    • 2005-12-10
    • 한국전자통신연구원삼성전자주식회사주식회사 케이티에스케이텔레콤 주식회사에스케이브로드밴드주식회사
    • 오정훈김현재김영일
    • H04L29/10H04L29/06H04L12/28
    • H04L69/321H04L1/004H04L69/322H04W80/02
    • A low MAC(Medium Access Control) layer apparatus of a wireless internet system, and a data processing method using the same are provided to perform real time communication of large capacity data by performing a CRC(Cyclic Redundancy Code) generation work for encryption and data without time delay and transferring the generated CRC to a physical layer. A low MAC layer apparatus of a wireless internet system includes a physical layer interface(310), an upper MAC interface block(350), an uplink block(330), a downlink block(370), and memories(320,340,360,380). The physical layer interface(310) transceives a data signal and a control signal with a physical layer. The upper MAC interface block(350) transceives the data signal and the control signal with a MAC layer. The uplink block(330) performs a decoding work and a CRC checking work which are requested for uplink data. The downlink block(370) performs the CRC generation work and the encoding work which are requested for downlink data. The memories(320,340,360,380) store control information and data which are transferred between the physical layer interface block(330), the upper MAC interface block(350), the uplink block(330), and the downlink block(370).
    • 提供无线因特网系统的低MAC(介质访问控制)层装置和使用其的数据处理方法,通过执行用于加密和数据的CRC(循环冗余码)生成工作来执行大容量数据的实时通信 没有时间延迟并将生成的CRC传送到物理层。 无线因特网系统的低MAC层装置包括物理层接口(310),上MAC接口块(350),上行链路块(330),下行链路块(370)和存储器(320,340,360,380)。 物理层接口(310)收发具有物理层的数据信号和控制信号。 上MAC接口块(350)用MAC层收发数据信号和控制信号。 上行链路块(330)执行对上行链路数据请求的解码工作和CRC校验工作。 下行链路块(370)执行对下行链路数据请求的CRC生成工作和编码工作。 存储器(320,340,360,380)存储在物理层接口块(330),上MAC接口块(350),上行链路块(330)和下行链路块(370)之间传送的控制信息和数据。
    • 8. 发明授权
    • 고속 푸리에 변환 장치 및 고속 푸리에 변환 방법
    • 快速傅里叶变换的装置和方法
    • KR100668674B1
    • 2007-01-12
    • KR1020050121367
    • 2005-12-10
    • 한국전자통신연구원삼성전자주식회사에스케이브로드밴드주식회사에스케이텔레콤 주식회사주식회사 케이티
    • 문영진김영일
    • G06F17/14
    • G06F17/142
    • A device and a method for FFT(Fast Fourier Transform) are provided to offer a simple binary reverse output order, reduce complexity, and minimize the number of hardware elements by using a structure formed with only the adders without any multiplier, as a mixed radix 4-2 butterfly structure is used. The first butterfly operation module(130) generates four first output data by performing a radix-4 butterfly operation from input data and data received from the first feedback memory(120). The first multiplexer(140) outputs the data from the first feedback memory or the first output data to the first output port. The second multiplexer(150) stores the input data or the data excluding the data output from the first multiplexer among the first output data. A controller(190) makes the first and second multiplexer provide the first output data to the first output part according to the simple binary reverse output order.
    • 提供了一种用于FFT(快速傅里叶变换)的装置和方法,以提供简单的二进制反向输出顺序,降低复杂性并且通过仅使用没有任何乘法器的加法器形成的结构作为混合基数来最小化硬件元件的数量 使用4-2蝶形结构。 第一蝶形运算模块(130)通过从输入数据和从第一反馈存储器(120)接收的数据执行基数-4蝶形运算来产生四个第一输出数据。 第一多路复用器(140)将来自第一反馈存储器或第一输出数据的数据输出到第一输出端口。 第二多路复用器(150)存储输入数据或排除在第一输出数据中从第一多路复用器输出的数据之外的数据。 控制器(190)使得第一和第二多路复用器根据简单的二进制反向输出顺序将第一输出数据提供给第一输出部分。
    • 9. 发明公开
    • 직교주파수분할다중접속-시분할 듀플렉싱 시스템 및 패킷송신 보정시간 설정 방법
    • 正交频分多路复用访问时间双工系统和分组传输时间的补偿方法
    • KR1020060117433A
    • 2006-11-17
    • KR1020050038847
    • 2005-05-10
    • 한국전자통신연구원주식회사 케이티에스케이브로드밴드주식회사삼성전자주식회사주식회사 케이티프리텔에스케이텔레콤 주식회사
    • 김기석김영일
    • H04B7/26H04J11/00
    • H04W56/00H04B7/2643H04J11/00
    • An OFDMA-TDD(Orthogonal Frequency Division Multiplexing Access-Time Division Duplexing) system and a method for setting a packet transmission correcting time are provided to set a correction time based on the delay time of ranging packets received in a base station modem, and the symbol time and guard time of the OFDMA-TDD system and transmit the correction time to a mobile station. A method for setting a packet transmission correcting time comprises the following steps of: confirming whether ranging is requested or not by enabling a base station to receive a message from a mobile station in a standby state(S401,S402); confirming a ranging packet arrival delay time on the basis of the received message if there is the ranging request(S403); calculating a deviation time by using the guard time of a symbol previously specified and the confirmed delay time(S404); setting a correction time for correcting the point of time for the packet transmission of the mobile station on the basis of the calculated deviation time(S405,S406,S407); and returning to the standby state after transmitting a ranging response message including correction time information to the mobile station(S408).
    • 提供OFDMA-TDD(正交频分复用接入时分双工)系统和用于设置分组传输校正时间的方法,以基于在基站调制解调器中接收的测距分组的延迟时间设置校正时间,并且 OFDMA-TDD系统的符号时间和保护时间,并将修正时间发送到移动台。 一种用于设置分组传输校正时间的方法包括以下步骤:通过使基站能够在待机状态下从移动台接收消息来确认是否请求测距(S401,S402); 如果存在测距请求,则基于接收到的消息确认测距分组到达延迟时间(S403); 通过使用先前指定的符号的保护时间和确认的延迟时间来计算偏差时间(S404); 基于计算出的偏差时间设定用于校正移动台的分组发送的时间点的修正时间(S405,S406,S407); 并且在向移动台发送包括校正时间信息的测距响应消息后,返回到待机状态(S408)。