公开(公告)号：US08811537B2

公开(公告)日：2014-08-19

申请号：US12629454

申请日：2009-12-02

申请人： Il-Gu Lee ,  Jung-Bo Son ,  Je-Hun Lee ,  Eun-Young Choi ,  Sok-Kyu Lee

发明人： Il-Gu Lee ,  Jung-Bo Son ,  Je-Hun Lee ,  Eun-Young Choi ,  Sok-Kyu Lee

IPC分类号： H04L25/06

CPC分类号： H04B1/1036 ,  H04L25/03038 ,  H04L25/03305 ,  H04L27/2647 ,  H04L27/2655 ,  H04L27/2657 ,  H04L2025/03414 ,  H04L2025/0342 ,  H04L2025/03426

摘要： Provided are a receiving apparatus and method for a wireless communication system using multiple antennas. A receiving method for a wireless communication system using multiple paths, the receiving method comprising: receiving signals through a predetermined number of multiple paths; sensing a carrier according to saturation state degrees of the signals, and providing saturation state information; calculating automatic gain components of the received signals by using the received signals and the saturation state information of the received signals; and performing a noise matching process to amplify noises on the predetermined multiple paths according to the automatic gain components during a predetermined period.

摘要翻译： 提供一种使用多个天线的无线通信系统的接收装置和方法。 一种使用多个路径的无线通信系统的接收方法，所述接收方法包括：通过预定数量的多个路径接收信号; 根据信号的饱和状态度感测载波，并提供饱和状态信息; 通过使用接收信号和接收信号的饱和状态信息来计算接收信号的自动增益分量; 以及执行噪声匹配处理，以在预定周期内根据所述自动增益分量来放大所述预定多个路径上的噪声。

公开(公告)号：US08582418B2

公开(公告)日：2013-11-12

申请号：US12912666

申请日：2010-10-26

申请人： Il-Gu Lee ,  Eun-Young Choi ,  Sok-Kyu Lee

发明人： Il-Gu Lee ,  Eun-Young Choi ,  Sok-Kyu Lee

IPC分类号： H04J9/00 ,  H04B7/208 ,  H04B7/216 ,  H04B7/12

CPC分类号： H04L27/2601 ,  H04L5/0048 ,  H04L27/0012 ,  H04L27/22 ,  H04L27/2273 ,  H04L27/3444 ,  H04W72/042 ,  H04W84/12

摘要： A method for automatically detecting a packet mode in a wireless communication system supporting a multiple transmission mode includes: acquiring at least one of data rate information, packet length information and channel bandwidth information from a transmitted frame; and determining the packet mode on the basis of the phase rotation check result of a symbol transmitted after a signal field signal and at least one of the data rate information, the packet length information and the channel bandwidth information acquired from the transmitted frame.

公开(公告)号：US08422474B2

公开(公告)日：2013-04-16

申请号：US13443635

申请日：2012-04-10

申请人： Jaewoo Park ,  Jong-Ee Oh ,  Il-Gu Lee ,  Sok-Kyu Lee ,  Minho Cheong ,  Jeeyon Choi ,  Jae-Seung Lee ,  Yun-Joo Kim

发明人： Jaewoo Park ,  Jong-Ee Oh ,  Il-Gu Lee ,  Sok-Kyu Lee ,  Minho Cheong ,  Jeeyon Choi ,  Jae-Seung Lee ,  Yun-Joo Kim

IPC分类号： H04W4/00

CPC分类号： H04B7/0452 ,  H04B7/0413 ,  H04L1/0003 ,  H04L1/0061 ,  H04L1/0072 ,  H04L1/0075 ,  H04L1/0083 ,  H04L1/08 ,  H04L27/18 ,  H04L27/20 ,  H04L69/22 ,  H04L69/323 ,  H04Q2213/13215 ,  H04W84/12

摘要： The present invention relates to a method and apparatus for transceiving data. A method in which a transmitting terminal transmits data to a receiving terminal in a MIMO system according to one embodiment of the present invention comprises the following steps: generating a data field containing the data; generating a signal field containing information on the data field; generating a data frame containing the data field and the signal field; and transmitting the data frame to the receiving terminal. According to the present invention, an end of the frame being transmitted is accurately notified to the receiving terminal in a communication system in which the frame is transmitted using MIMO, thereby decoding the frame in a more efficient manner at the receiving terminal.

公开(公告)号：US08411698B2

公开(公告)日：2013-04-02

申请号：US13458940

申请日：2012-04-27

申请人： Il-Gu Lee ,  Sok-Kyu Lee ,  Hyun-Kyu Chung ,  Dae-Sik Kim

发明人： Il-Gu Lee ,  Sok-Kyu Lee ,  Hyun-Kyu Chung ,  Dae-Sik Kim

IPC分类号： H04L12/28

CPC分类号： H04W52/262 ,  H04B7/0626 ,  H04L1/1671 ,  H04W52/0216 ,  H04W52/0219 ,  H04W52/0229 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/26

摘要： A method and apparatus of accessing a channel in a wireless local area network is provided. A destination station receives a request to send (RTS) frame to allocate a network allocation vector from a source station over a first bandwidth and transmits a clear to send (CTS) frame over a second bandwidth to the source station in response to the RTS frame. The second bandwidth is dynamically determined when a first parameter has a predetermined value.

摘要翻译： 提供了一种在无线局域网中访问信道的方法和装置。 目的站接收请求发送（RTS）帧，以便通过第一带宽从源站分配网络分配向量，并响应于RTS帧向源站发送第二带宽的清除发送（CTS）帧 。 当第一参数具有预定值时动态地确定第二带宽。

公开(公告)号：US08295195B2

公开(公告)日：2012-10-23

申请号：US12642167

申请日：2009-12-18

申请人： Chanho Yoon ,  Il-Gu Lee ,  Jung-Bo Son ,  Sok-Kyu Lee

发明人： Chanho Yoon ,  Il-Gu Lee ,  Jung-Bo Son ,  Sok-Kyu Lee

IPC分类号： H04L12/26 ,  H04J3/16

CPC分类号： H04L1/0038 ,  H04L5/0007 ,  H04L27/0012 ,  H04L27/2666

摘要： A frame format discrimination method in a wireless communication system is provided. The frame format discrimination method includes: calculating a power of an in-phase signal and a power of a quadrature signal in a predetermined section of a frame; comparing the power of the in-phase signal with the power of the quadrature signal; and determining the format of the frame in accordance with the comparison result.

摘要翻译： 提供了一种无线通信系统中的帧格式辨别方法。 帧格式识别方法包括：在帧的预定部分中计算同相信号的功率和正交信号的功率; 将同相信号的功率与正交信号的功率进行比较; 以及根据比较结果确定帧的格式。

公开(公告)号：US20120182926A1

公开(公告)日：2012-07-19

申请号：US13351205

申请日：2012-01-16

申请人： Heejung Yu ,  Il Gu Lee ,  Hun Sik Kang ,  Sok Kyu Lee

发明人： Heejung Yu ,  Il Gu Lee ,  Hun Sik Kang ,  Sok Kyu Lee

IPC分类号： H04W88/02 ,  H04W84/12

CPC分类号： H04W76/02 ,  H04W74/0816 ,  H04W76/10 ,  H04W84/047 ,  H04W84/12 ,  H04W88/04

摘要： A method and apparatus for transmitting a relay frame in a relay end are provided. The method includes: receiving a relay request frame requesting data transmission to a receive end from a transmit end; transmitting a relay response frame including information on data to be relayed to each of the transmit end and the receive end; receiving the data from the transmit end; and generating a relay frame including the data to transmit the relay frame to the receive end. According to the present invention, the data is transmitted to the receive end positioned outside a transmission coverage of the transmit end, such that a wireless LAN service coverage may be expanded, and an adjacent terminal connected to the receive end is used as the relay end, such that the transmit end that may not be connected directly to the receive end may communicate with the receive end.

摘要翻译： 提供了一种用于在继电器端中发送中继帧的方法和装置。 该方法包括：从发送端接收请求数据发送到接收端的中继请求帧; 发送包括关于要中继的数据的信息的中继响应帧到发送端和接收端中的每一个; 从发送端接收数据; 以及生成包括所述数据的中继帧，以将所述中继帧发送到所述接收端。 根据本发明，将数据发送到位于发送端的发送覆盖范围之外的接收端，使得可以扩展无线LAN服务覆盖，并且将连接到接收端的相邻终端用作中继端 ，使得可以不直接连接到接收端的发送端可以与接收端通信。

公开(公告)号：US20120163314A1

公开(公告)日：2012-06-28

申请号：US13333665

申请日：2011-12-21

申请人： Il Gu LEE ,  Hun Sik KANG ,  Sok Kyu LEE

发明人： Il Gu LEE ,  Hun Sik KANG ,  Sok Kyu LEE

IPC分类号： H04W72/04

CPC分类号： H04W74/02 ,  H04W16/14 ,  H04W74/0808 ,  Y02D70/142 ,  Y02D70/22

摘要： The present invention provides a method of a node sending frames in a Cognitive Radio (CR) system. The method of the node includes being allocated a first channel as an operating channel where the node will be operated, sensing one or more candidate channels available as the operating channel of the node, determining whether to extend a frequency bandwidth of the operating channel, in addition to the first channel, based on a result of the sense for the one or more candidate channels, and sending the frames using a frequency bandwidth extended by adding a second channel, newly determined as the operating channel, to the first channel according to the determination.

摘要翻译： 本发明提供了一种在认知无线电（CR）系统中发送帧的节点的方法。 节点的方法包括分配第一信道作为节点将被操作的操作信道，感测可用作节点的操作信道的一个或多个候选信道，确定是否扩展操作信道的频带宽度 根据对于一个或多个候选信道的感觉的结果，除了第一信道之外，还根据新的确定为操作信道的第二信道添加扩频的频带来发送帧 决心。

公开(公告)号：US20110302033A1

公开(公告)日：2011-12-08

申请号：US13152030

申请日：2011-06-02

申请人： Keon Su LEE ,  Choong Hee LEE ,  Il Gu LEE ,  Yung Seong LEE ,  Kyung Hoon KIM ,  Hye Jin KANG

发明人： Keon Su LEE ,  Choong Hee LEE ,  Il Gu LEE ,  Yung Seong LEE ,  Kyung Hoon KIM ,  Hye Jin KANG

IPC分类号： G06Q30/00

CPC分类号： G06Q30/02 ,  G06Q30/0259 ,  G06Q30/0261 ,  G06Q30/0277

摘要： Provided are a system and method for providing a wireless network service to a user terminal free of charge, by providing a doorway page for exposing an advertisement on the user terminal provided with the wireless network service through an access point. Accordingly, the user terminal may be provided with the wireless network service free of charge, other than the cost of viewing the advertisement exposed on the doorway page. An advertiser and a proprietor may expose the advertisement at the cost of providing the free wireless network service.

摘要翻译： 提供了一种通过提供通过接入点提供无线网络服务的用户终端上的广告曝光的门口页面来向用户终端免费提供无线网络服务的系统和方法。 因此，用户终端可以免费提供无线网络服务，而不是观看在门口页面上暴露的广告的费用。 广告商和所有者可以以提供免费无线网络服务为代价来公开该广告。

公开(公告)号：US20110206156A1

公开(公告)日：2011-08-25

申请号：US13033202

申请日：2011-02-23

申请人： Il-Gu LEE ,  In-Kyeong CHOI ,  Yu-Ro LEE ,  Jong-Ee OH ,  Eun-Young CHOI ,  Sok-Kyu LEE

发明人： Il-Gu LEE ,  In-Kyeong CHOI ,  Yu-Ro LEE ,  Jong-Ee OH ,  Eun-Young CHOI ,  Sok-Kyu LEE

IPC分类号： H04L27/18

CPC分类号： H04L27/18 ,  H04L27/0008

摘要： A method for transmitting, by a transmitting terminal, data to a receiving terminal in a wireless communication system includes: generating a first detection field including symbols modulated by using a BPSK data tone; generating a second detection field including symbols modulated such that an even numbered subcarrier and an odd numbered subcarrier have a phase difference of 90 degrees; generating a data packet including the first detection field, the second detection field, and the data; and transmitting the data packet.

摘要翻译： 一种在无线通信系统中由发送终端向接收终端发送数据的方法包括：生成包括通过使用BPSK数据音调调制的符号的第一检测字段; 产生包括被调制的符号的第二检测场，使得偶数副载波和奇数副载波具有90度的相位差; 生成包括第一检测区域，第二检测区域和数据的数据分组; 并发送数据包。

公开(公告)号：US20110149773A1

公开(公告)日：2011-06-23

申请号：US12969272

申请日：2010-12-15

申请人： Il-Gu Lee ,  Sok-Kyu Lee

发明人： Il-Gu Lee ,  Sok-Kyu Lee

IPC分类号： H04W24/00

CPC分类号： H03G3/3078 ,  H04B17/327 ,  H04B17/345

摘要： Provided are method and apparatus for receiving data in a wireless communication system. The method includes receiving data through one antenna or a plurality of reception antennas; measuring received signal power levels and a noise power level from the received data; calculating a gain control value of an automatic gain control process; compensating the measured received signal power levels based on the calculated gain compensation value; calculating a predetermined ratio based on the compensated received signal power levels and the noise power level; and restoring the received data using the calculated predetermined ratio.

摘要翻译： 提供了一种用于在无线通信系统中接收数据的方法和装置。 该方法包括通过一个天线或多个接收天线接收数据; 从接收到的数据测量接收信号功率电平和噪声功率电平; 计算自动增益控制处理的增益控制值; 基于所计算的增益补偿值补偿测量的接收信号功率电平; 基于补偿的接收信号功率电平和噪声功率电平计算预定比率; 以及使用所计算的预定比率恢复所接收的数据。