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公开(公告)号：KR1020090095896A
公开(公告)日：2009-09-10
申请号：KR1020080021119
申请日：2008-03-06
Applicant: 삼성전자주식회사
IPC: H04B7/26
CPC classification number: H04W72/02 , H04B1/69 , H04B7/14 , H04B7/2606 , H04W24/00
Abstract: A method for selecting a control station of a terminal in a radio cognitive communication system and a system thereof are provided to prevent system interference by selecting the control station through an efficient signaling method in the area where the coverage between a base station and relay stations is overlapped. Frames in which spectrum sensing information is included is received from a plurality of relay stations(301-305). The spectrum sensing information is compared. A relay station having the maximum available resource is selected as a control station(307-317). The spectrum sensing information is received from the base station. The spectrum sensing information of the relay stations is compared with the spectrum sensing information of the base station. If the available resource of the base station is bigger than available resources of the relay stations, the base station is selected as the control station.
Abstract translation: 提供一种用于选择无线电认知通信系统中的终端的控制站的方法及其系统，以通过在基站和中继站之间的覆盖范围为高的信令方式选择控制站来防止系统干扰 重叠。 从多个中继站接收包含频谱感知信息的帧（301-305）。 比较光谱感测信息。 选择具有最大可用资源的中继站作为控制站（307-317）。 从基站接收频谱感测信息。 将中继站的频谱感测信息与基站的频谱感测信息进行比较。 如果基站的可用资源大于中继站的可用资源，则选择基站作为控制站。
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公开(公告)号：KR1020090092431A
公开(公告)日：2009-09-01
申请号：KR1020080017672
申请日：2008-02-27
Applicant: 삼성전자주식회사
IPC: H04B7/26
Abstract: An apparatus for the CBP transmission and a method thereof are provided to perform a reliable CBP transmission by using a virtual CPE. A detector(420) scans a channel in which neighbor base stations operate through plural directional antennas. A controller(400) connects the directional antennas to a corresponding base station, transmits information about the connection between the directional antennas and base station to the corresponding base station, and then transmits a CBP packet received from the base station to other base stations.
Abstract translation: 提供了用于CBP传输的装置及其方法，以通过使用虚拟CPE来执行可靠的CBP传输。 检测器（420）通过多个定向天线扫描相邻基站工作的信道。 控制器（400）将定向天线连接到对应的基站，将有关定向天线和基站之间的连接的信息发送到对应的基站，然后将从基站接收的CBP分组发送到其他基站。
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公开(公告)号：KR1020090089037A
公开(公告)日：2009-08-21
申请号：KR1020080014359
申请日：2008-02-18
Applicant: 삼성전자주식회사
CPC classification number: H04W72/042 , H04L5/0005 , H04L5/0044 , H04L5/0064 , H04W72/0453
Abstract: A burst allocating apparatus and a method thereof in which overhead is reduced in a broad band wireless communications system are provided to reduce overhead by a map message and indicate assignment information of the burst allocated to the terminal using a plurality of channels. When a burst is assigned to a terminal which at the same time, an allocator(506) assigns burst to each channel which busy is to the equal balance. When a map message transmitted through the primary channel of the terminal is generated, a generator(508) produces the map message including the assignment information of the burst allocated to the terminal. A transmitter(520) transmits the map message through the primary channel of the terminal.
Abstract translation: 提供了一种突发分配装置及其方法，其中在宽带无线通信系统中降低开销，以减少地图消息的开销，并使用多个信道指示分配给终端的突发的分配信息。 当突发被分配给同时的终端时，分配器（506）将脉冲分配给忙于相等平衡的每个信道。 当生成通过终端的主信道发送的地图消息时，生成器（508）产生包括分配给终端的突发的分配信息的地图消息。 发射机（520）通过终端的主要信道发送地图消息。
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公开(公告)号：KR1020090003005A
公开(公告)日：2009-01-09
申请号：KR1020070067486
申请日：2007-07-05
Applicant: 삼성전자주식회사
CPC classification number: H04L27/2656
Abstract: An apparatus for detecting a transmission channel in a cognitive radio system and a method thereof are provided to detect transmission channel while reducing overhead without a control signal. Correlators(601-604) perform the respective correlation the received signal about the channel of N. A frame detector(605) fits the frame synchronization from the correlation result toward the channel of N. A channel detector(606) detects the channel outputting the peak among the correlation result after the frame synchronization. An FFT(Fast Fourier Transform)(607) performs FFT the channel separator separating only the subcarrier corresponding to the channel outputting peak about the received signal. A decoder(609) decodes data of the separated corresponding subcarrier as described above.
Abstract translation: 提供一种用于检测认知无线电系统中的传输信道的装置及其方法，以便在没有控制信号的情况下减少开销来检测传输信道。 相关器（601-604）执行关于N的信道的接收信号的相关关系。帧检测器（605）将相关结果的帧同步与N的信道相匹配。信道检测器（606）检测输出 帧同步后相关结果中的峰值。 FFT（快速傅里叶变换）（607）对仅对应于与接收信号的通道输出峰相对应的子载波的信道分离器进行FFT。 如上所述，解码器（609）解码分离的对应子载波的数据。
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Patent Agency Ranking
公开(公告)号：KR100810280B1
公开(公告)日：2008-03-06
申请号：KR1020050045266
申请日：2005-05-27
Applicant: 삼성전자주식회사
IPC: H04L27/26
CPC classification number: H04L27/2628 , H04L27/265
Abstract: 본 발명은 주파수 오버레이(frequency overlay) 방식을 사용하는 통신 시스템 및 그 송수신 방법에 관한 것으로서, 이러한 본 발명은 주파수 오버레이 통신 시스템에서 데이터 송수신 방법에 있어서, 데이터 전송을 위한 데이터 스트림을 생성하고, 상기 생성된 데이터 스트림에 대하여 미리 설정된 소정의 제1주파수 대역에 상응하여 역고속 푸리에 변환하여 전송하는 과정과, 임의의 신호가 수신되면, 상기 수신 신호에 대하여 미리 설정된 소정의 제2주파수 대역에 상응하여 고속 푸리에 변환 후 수신 신호를 복원하는 과정을 포함함을 특징으로 한다.
Scalable OFDM 시스템, 주파수 오버레이, IFFT, FFT, BPF-
公开(公告)号：KR1020070027948A
公开(公告)日：2007-03-12
申请号：KR1020050079936
申请日：2005-08-30
Applicant: 삼성전자주식회사
CPC classification number: H04L5/023 , H04L1/0006 , H04L1/0083 , H04L29/0653
Abstract: An apparatus and a method for reducing a transmission-over-head in a broadband wireless communication system are provided to reduce the transmission-over-head by inserting allocation information of a data burst into a burst preamble in a wireless communication system based on OFDM(Orthogonal Frequency Division Multiplexing). An apparatus for reducing a transmission-over-head in a broadband wireless communication system includes a head generator(501), and a traffic channel forming unit(505). The head generator(501) generates a head including data allocation information and control information of each frame to be transmitted. The traffic channel forming unit(505) forms a traffic channel by combining the generated head with a burst. Each frame is allocated to one user for total frequency band. Transmission data is allocated on each frame according to a time resource. The data allocation information includes a user ID(Identification), a time domain start point of the burst, and a length of the burst to be allocated on the frame.
Abstract translation: 提供了一种用于减少宽带无线通信系统中的传输头的装置和方法，用于通过在基于OFDM的无线通信系统中将数据脉冲串的分配信息插入脉冲串前导码来减少头部传输（ 正交频分复用）。 一种用于减少宽带无线通信系统中的传输头的装置包括头发生器（501）和业务信道形成单元（505）。 头生成器（501）生成包括要发送的每帧的数据分配信息和控制信息的头。 业务信道形成单元（505）通过将生成的头部与突发组合来形成业务信道。 每个帧分配给一个用户的总频带。 根据时间资源在每个帧上分配传输数据。 数据分配信息包括用户ID（识别），突发的时域起始点和要在帧上分配的突发的长度。
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67.发明公开
公开(公告)号：KR1020070009244A
公开(公告)日：2007-01-18
申请号：KR1020050064364
申请日：2005-07-15
Applicant: 삼성전자주식회사
IPC: H03M13/11
CPC classification number: H03M13/11 , H03M13/1134 , H03M13/1194 , H03M13/255 , H03M13/27 , H03M13/356 , H03M13/6362 , H04L1/0057 , H04L1/0071 , H04L1/0086 , H04L1/1812 , H04L27/34
Abstract: A channel interleaving/de-interleaving apparatus in a communication system using a low density parity check code and a control method thereof are provided to reduce error rate of an entire system by transmitting and receiving reliable LDPC(Low Density Parity Check). A channel interleaving/de-interleaving method in a communication system using a low density parity check code includes the steps of: encoding information data bit in a set encoding way to generate LDPC codeword; interleaving the LDPC codeword corresponding to a set cannel interleaving rule; and modulating the channel-interleaved LDPC codeword in a set modulation way to generate modulated symbol.
Abstract translation: 提供了使用低密度奇偶校验码的通信系统中的信道交织/解交织装置及其控制方法，以通过发送和接收可靠的LDPC（低密度奇偶校验）来降低整个系统的误码率。 在使用低密度奇偶校验码的通信系统中的信道交织/解交织方法包括以下步骤：以设定的编码方式对信息数据比特进行编码，生成LDPC码字; 对与设置的隧道交织规则相对应的LDPC码字进行交织; 并以设置的调制方式调制信道交织的LDPC码字，以产生调制码元。
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公开(公告)号：KR1020070001481A
公开(公告)日：2007-01-04
申请号：KR1020050056994
申请日：2005-06-29
Applicant: 삼성전자주식회사
CPC classification number: H04L27/265 , H04L27/2634
Abstract: A system and a method for transceiving a signal in a frequency overlay communication system are provided to enable a base station to perform N-point IFFT for the signal if information data is generated and perform y-point IDFT for the signal, and transmit the signal to an MS(Mobile Station) after processing the signal through a transmission RF(Radio Frequency), and enable the MS to perform N-point IFFT after processing the received signal through a reception RF, and restore it as the information data, thereby reducing license costs for a frequency band and increasing frequency resource efficiency in an overlay frequency band. A method for transceiving a signal in a frequency overlay communication system comprises the following steps of: mixing inputted information data of length yN so as to correspond to a first preset mixing method, grouping the information data N by N, and generating the y number of first signal groups(1011~1015); respectively performing N-point IFFT(Inverse Fast Fourier Transform) for the first signal groups and generating the y number of second signal groups(1017); respectively multiplying preset set points by the second signal groups and generating the y number of third signal groups(1019); inversely mixing the third signal groups so as to correspond to a preset inverse mixing method, grouping the third signal groups N by N, and generating the N number of fourth signal groups(1021); respectively performing y-point IDFT(Inverse Discrete Fourier Transform) for the fourth signal groups and generating the N number of fifth signal groups(1023); mixing the fifth signal groups so as to correspond to a preset second mixing method, generating the y number of sixth signal groups, and converting the sixth signal groups in series(1025); and processing the serial-converted signal through a transmission wireless frequency and transmitting it to a signal receiving system(1027,1029).
Abstract translation: 提供了一种用于在频率叠加通信系统中收发信号的系统和方法，以使基站能够在生成信息数据时对该信号执行N点IFFT，并对信号执行y点IDFT，并发送信号 通过发送RF（射频）对信号进行处理后，通过接收RF对MS接收到的信号进行N点IFFT，并将其恢复为信息数据，由此减少 频带的许可证费用和覆盖频带中频率资源效率的提高。 一种用于在频率覆盖通信系统中收发信号的方法包括以下步骤：将输入的长度为yN的信息数据与第一预设混合方法相对应，将信息数据N分组为N，并产生y数 第一信号组（1011〜1015）; 分别对第一信号组执行N点IFFT（快速傅立叶逆变换），并生成y个第二信号组（1017）; 分别将预设设定点乘以第二信号组并产生y个第三信号组（1019）; 反向混合第三信号组，以对应于预设的反相混合方法，将第三信号组N分组N并产生N个第四信号组（1021）; 分别对第四信号组执行y点IDFT（逆离散傅立叶变换）并产生N个第五信号组（1023）; 混合第五信号组以对应于预设的第二混合方法，产生y个第六信号组，并将第六信号组串联转换（1025）; 以及通过传输无线频率处理串行转换的信号并将其发送到信号接收系统（1027,1029）。
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公开(公告)号：KR1020060122643A
公开(公告)日：2006-11-30
申请号：KR1020050045266
申请日：2005-05-27
Applicant: 삼성전자주식회사
IPC: H04L27/26
CPC classification number: H04L27/2628 , H04L27/265
Abstract: A frequency overlay communication system and a transmitting/receiving method thereof are provided to reduce license cost for a frequency band by paying only the license cost for an additionally increased bandwidth. A transmitting/receiving method of a frequency overlay communication system includes the steps of: generating data stream for transmitting data and performing inverse fast Fourier transform of the generated data stream corresponding to a predetermined first frequency band to transmit; and performing fast Fourier transform of a received signal corresponding to a predetermined second frequency band and recovering the received signal.
Abstract translation: 提供频率覆盖通信系统及其发送/接收方法，以通过仅支付另外增加的带宽的许可费用来减少频带的许可费用。 频率覆盖通信系统的发送/接收方法包括以下步骤：产生用于发送数据的数据流，并对与预定的第一频带相对应的所生成的数据流进行快速傅立叶反变换以进行发送; 并且对与预定的第二频带相对应的接收信号执行快速傅立叶变换并恢复所接收的信号。
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