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1. 发明申请

US20120195302A1 METHOD AND APPARATUS FOR TRANSCEIVING DATA IN A MIMO SYSTEM 有权
标题翻译：用于在MIMO系统中收发数据的方法和装置
公开(公告)号：US20120195302A1
公开(公告)日：2012-08-02
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： H04L1/00 , H04W84/12
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.
摘要翻译：本发明涉及用于收发数据的方法和装置。根据本发明的一个实施例的发送终端向MIMO系统中的接收终端发送数据的方法包括以下步骤：产生包含数据的数据字段; 生成包含关于数据字段的信息的信号字段; 生成包含数据字段和信号字段的数据帧; 并将数据帧发送到接收终端。根据本发明，在使用MIMO发送帧的通信系统中，正在发送的帧的结束被准确地通知给接收终端，从而在接收终端以更有效的方式对帧进行解码。

2. 发明授权

US08750269B2 Method and apparatus for controlling transmission power in WLAN system 有权
标题翻译： WLAN系统中传输功率的控制方法和装置
公开(公告)号：US08750269B2
公开(公告)日：2014-06-10
申请号：US12910718
申请日：2010-10-22
申请人： Il-Gu Lee , Jeeyon Choi , Sok-Kyu Lee
发明人： Il-Gu Lee , Jeeyon Choi , Sok-Kyu Lee
IPC分类号： H04W4/00
CPC分类号： H04W52/242 , H04W24/08 , H04W52/243 , H04W52/267 , H04W84/12 , Y02D70/00
摘要： A transmit power control method of a first station in a wireless LAN (WLAN) system includes: receiving path loss information from an (access point) AP, the path loss information containing a maximum value among path losses between the AP and at least one or more stations included in the WLAN system; controlling a transmit power by using the path loss information; and transmitting a frame according to the controlled transmit power. In said controlling the transmit power by using the path loss information, the transmit power is controlled by using a path loss obtained by adding the maximum value and a path loss between the first station and the AP or by using the path loss between the first station and the AP.
摘要翻译：无线LAN（WLAN）系统中的第一站的发射功率控制方法包括：从（接入点）AP接收路径损耗信息，所述路径损耗信息包含AP与AP之间的路径损耗中的最大值， WLAN系统中包含更多的台站; 通过使用路径损耗信息来控制发射功率; 以及根据受控发射功率发送帧。在通过使用路径损耗信息来控制发送功率时，通过使用通过将第一站和AP之间的最大值和路径损耗相加而获得的路径损耗或通过使用第一站点之间的路径损耗来获得发送功率和AP。

3. 发明授权

US08422474B2 Method and apparatus for transceiving data in a MIMO system 有权
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.

4. 发明授权

US09154349B2 Wireless transmitter for high mobility and high throughput and mode control method thereof 有权
标题翻译：用于高移动性和高吞吐量的无线发射机及其模式控制方法
公开(公告)号：US09154349B2
公开(公告)日：2015-10-06
申请号：US12912653
申请日：2010-10-26
申请人： Il-Gu Lee , Sok-Kyu Lee , Hyun-Kyu Chung
发明人： Il-Gu Lee , Sok-Kyu Lee , Hyun-Kyu Chung
IPC分类号： H04L27/18 , H04L7/00 , H04W8/26
CPC分类号： H04L27/18 , H04L7/00 , H04W8/26 , H04W52/0225 , Y02D70/1244 , Y02D70/14 , Y02D70/142
摘要： A wireless transmitter which performs reconfiguration for high mobility and high throughput includes: an operation mode decision unit configured to decide an operation mode depending on mobility, a required data rate, and wireless link performance; a clock generation unit configured to generate a plurality of clock signals; a selection unit configured to select necessary clock signals among the plurality of clock signals generated by the clock generation unit according to the operation mode decided by the operation mode decision unit; and at least one or more digital modulation units configured to modulate transmitted data by adjusting a signal bandwidth of a frequency domain and a transmission time of a time domain using the clock signals selected by the selection unit.
摘要翻译：执行高移动性和高吞吐量的重新配置的无线发射机包括：操作模式判定单元，被配置为根据移动性，所需数据速率和无线链路性能来决定操作模式; 时钟生成单元，被配置为生成多个时钟信号; 选择单元，被配置为根据由所述操作模式判定单元决定的操作模式，在由所述时钟生成单元生成的所述多个时钟信号中选择必要的时钟信号; 以及至少一个或多个数字调制单元，被配置为通过使用由选择单元选择的时钟信号调整频域的信号带宽和时域的发送时间来调制发送数据。

5. 发明授权

US08817921B2 Apparatus and method for detecting packet end point in wireless communication system 有权
标题翻译：无线通信系统中的分组终点检测装置及方法
公开(公告)号：US08817921B2
公开(公告)日：2014-08-26
申请号：US12965333
申请日：2010-12-10
申请人： Il-Gu Lee , Eun-Young Choi , Jung-Bo Son , Hun-Sik Kang , Sok-Kyu Lee
发明人： Il-Gu Lee , Eun-Young Choi , Jung-Bo Son , Hun-Sik Kang , Sok-Kyu Lee
IPC分类号： H04L27/14 , H04L27/26
CPC分类号： H04L27/2656 , H04L5/0023 , H04L27/2657 , H04L27/2675 , H04L27/2678 , H04L27/2688
摘要： An apparatus for detecting a packet end point in a wireless communication system includes: a signal reception unit configured to receive a signal from an outside, convert the signal into a baseband signal, perform analog-digital conversion of the baseband signal, and perform a digital front end; a storage unit configured to store an output of the signal reception unit; a frequency offset estimation unit configured to estimate a frequency offset using the output of the storage unit; a frequency offset correction unit configured to compensate for a frequency error using the estimated frequency offset; an offset correlation unit configured to calculate correlation of the frequency offset and a cyclic prefix; an auto-correlation operation unit configured to calculate auto-correlation of the cyclic prefix; and a packet end detection unit configured to check a packet end point using the auto-correlation.
摘要翻译：一种用于在无线通信系统中检测分组终点的装置包括：信号接收单元，被配置为从外部接收信号，将该信号转换为基带信号，执行基带信号的模数转换，并执行数字前端; 存储单元，被配置为存储所述信号接收单元的输出; 频率偏移估计单元，被配置为使用所述存储单元的输出来估计频率偏移; 频率偏移校正单元，被配置为使用所估计的频率偏移来补偿频率误差; 偏移相关单元，被配置为计算所述频率偏移和循环前缀的相关性; 自相关操作单元，被配置为计算所述循环前缀的自相关; 以及分组结束检测单元，被配置为使用所述自相关来检查分组结束点。

6. 发明申请

US20120213177A1 POWER SAVING METHOD IN WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：无线通信系统节能方法
公开(公告)号：US20120213177A1
公开(公告)日：2012-08-23
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： H04W72/04 , H04W84/02
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。

7. 发明申请

US20100150257A1 APPARATUS AND METHOD FOR ESTIMATING TIMING OFFSET IN A WIRELESS COMMUNICATION SYSTEM 审中-公开
标题翻译：在无线通信系统中估计时序偏移的装置和方法
公开(公告)号：US20100150257A1
公开(公告)日：2010-06-17
申请号：US12556023
申请日：2009-09-09
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： H04L7/00 , H04L27/28 , H04B15/00
CPC分类号： H04L27/2662 , H04L27/2657 , H04L27/2675
摘要： A method for estimating timing offset in an OFDM wireless communication system using preamble and pilot includes: estimating a carrier offset by using preamble included in a currently received OFDM packet and estimating a first timing offset based on the estimated carrier offset to thereby produce a first timing offset estimation value; estimating a second timing offset to thereby produce a second timing offset estimation value by transforming the OFDM packet into signals of frequency domain and using a pilot signal of the frequency-domain signals; checking a channel condition based on packet error information of a previously received packet to thereby produce error condition information, and selecting one between the first timing offset estimation value and the second timing offset estimation value based on the error condition information; and compensating data signals for timing offset among the frequency-domain signals the based on the selected timing offset estimation value.
摘要翻译：用于使用前导码和导频来估计OFDM无线通信系统中的定时偏移的方法包括：通过使用包括在当前接收的OFDM分组中的前导码来估计载波偏移，并且基于所估计的载波偏移来估计第一定时偏移，从而产生第一定时偏移估计值; 通过将所述OFDM分组变换为频域的信号并使用所述频域信号的导频信号来估计第二定时偏移，从而产生第二定时偏移估计值; 基于先前接收到的分组的分组错误信息来检查信道条件，从而产生错误条件信息，并且基于所述错误条件信息在所述第一定时偏移估计值和所述第二定时偏移估计值之间进行选择; 以及基于所选择的定时偏移估计值，在频域信号之间补偿用于定时偏移的数据信号。

8. 发明申请

US20070133446A1 Transmitting apparatus of wireless communication system and method thereof 审中-公开
标题翻译：无线通信系统的发送装置及其方法
公开(公告)号：US20070133446A1
公开(公告)日：2007-06-14
申请号：US11636448
申请日：2006-12-11
申请人： Chan-Ho Yoon , Hee-Jung Yu , Eun-Young Choi , Jung-Bo Son , Il-Gu Lee , Deuk-Su Lyu , Tae-hyun Jeon , Seung-Wook Min , Kwhang-Hyun Ryu , Kyoung-Ju Noh , Yun-Joo Kim , Kyoung-Hee Song , Sok-Kyu Lee , Seung-chan Bang , Seung-Ku Hwang
发明人： Chan-Ho Yoon , Hee-Jung Yu , Eun-Young Choi , Jung-Bo Son , Il-Gu Lee , Deuk-Su Lyu , Tae-hyun Jeon , Seung-Wook Min , Kwhang-Hyun Ryu , Kyoung-Ju Noh , Yun-Joo Kim , Kyoung-Hee Song , Sok-Kyu Lee , Seung-chan Bang , Seung-Ku Hwang
IPC分类号： H04B7/00
CPC分类号： H04L1/0026 , H04L1/0003 , H04L1/0059 , H04L1/0075 , H04L1/08 , H04L1/188
摘要： The present invention relates to a transmitting apparatus of a wireless communication system, and a method thereof. The transmitting apparatus monitors receiving of response data for data that has been transmitted to a receiving end, and sets a first parameter for counting successful receipts according to receiving on the response data. The transmitting apparatus demodulates the response data and extracts the number of demodulated data that satisfies a first set value. Subsequently, it is determined whether the first parameter satisfies a second set value and the number of demodulated data satisfies a predetermined ratio of a referential amount of packets. According to the present invention, an efficient transmission mode for a channel state can be provided with reference to an extracted number of soft-decision data from response data received at a receiving end. In addition, a transmission mode can be determined by using only response data according to the present invention.
摘要翻译：无线通信系统的发送装置技术领域本发明涉及无线通信系统的发送装置及其方法。发送装置监视已经发送到接收端的数据的响应数据的接收，并且根据对响应数据的接收，设置用于计数成功收据的第一参数。发送装置解调响应数据，并提取满足第一设定值的解调数据的数量。随后，确定第一参数是否满足第二设定值，并且解调数据的数量满足分组的参考量的预定比率。根据本发明，可以参照从接收端接收到的响应数据提取的软判决数据数来提供用于信道状态的有效传输模式。此外，可以通过仅使用根据本发明的响应数据来确定传输模式。

9. 发明申请

US20070115802A1 Transmitting and receiving systems for increasing service coverage in orthogonal frequency division multiplexing wireless local area network, and method thereof 有权
标题翻译：用于在正交频分复用无线局域网中增加服务覆盖的发射和接收系统及其方法
公开(公告)号：US20070115802A1
公开(公告)日：2007-05-24
申请号：US11635927
申请日：2006-12-08
申请人： Hee-Jung Yu , Eun-Young Choi , Chan-Ho Yoon , Jung-Bo Son , Il-Gu Lee , Deuk-Su Lyu , Tae-hyun Jeon , Seung-Wook Min , Sok-Kyu Lee , Seung-Chan Bang , Seung-Ku Hwang
发明人： Hee-Jung Yu , Eun-Young Choi , Chan-Ho Yoon , Jung-Bo Son , Il-Gu Lee , Deuk-Su Lyu , Tae-hyun Jeon , Seung-Wook Min , Sok-Kyu Lee , Seung-Chan Bang , Seung-Ku Hwang
IPC分类号： H04J11/00
CPC分类号： H04L5/0046 , H04L27/2613 , H04L27/2627 , H04L27/2649 , H04W28/14 , H04W72/04 , H04W84/12
摘要： The present invention relates to an orthogonal frequency division multiplexing wireless local area network (LAN) transmitting/receiving system for providing expanded service coverage, and a method thereof. According to the present invention, first OFDM modulation is performed for an even-numbered time, and second OFDM modulation is performed by changing subcarrier allocation positions of first OFDM modulated symbols for an odd-numbered time. In addition, a transmitting frame including a plurality of signal fields according to the first and second OFDM modulation is transmitted. The receiving system determines a format configuration of the received frame to determine whether a signal field is repeatedly generated in the frame. When it is determined that the signal field is not repeatedly generated, corresponding demodulation is performed. When it is determined that the signal field is repeatedly performed, the signal field is demodulated by using first bit allocation information and is demodulated by using second bit allocation information having a 1/2 value of the first bit allocation information. A data field is demodulated according to the demodulated signal field.
摘要翻译：本发明涉及一种用于提供扩展业务覆盖的正交频分复用无线局域网（LAN）发送/接收系统及其方法。根据本发明，对于偶数时间执行第一OFDM调制，并且通过改变奇数时间的第一OFDM调制符号的副载波分配位置来执行第二OFDM调制。此外，发送包括根据第一和第二OFDM调制的多个信号字段的发送帧。接收系统确定接收到的帧的格式配置，以确定帧中是否重复产生信号字段。当确定信号域不被重复产生时，执行相应的解调。当确定重复执行信号场时，通过使用第一比特分配信息解调信号场，并且通过使用具有第一比特分配信息的1/2值的第二比特分配信息进行解调。根据解调信号字段对数据字段进行解调。

10. 发明授权

US08554148B2 Data transmission/reception apparatus and method for wireless communication system 有权
标题翻译：无线通信系统的数据发送接收装置及方法
公开(公告)号：US08554148B2
公开(公告)日：2013-10-08
申请号：US12884591
申请日：2010-09-17
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： H04B15/00
CPC分类号： H04L7/041 , H04L1/0003 , H04L1/0007 , H04L1/0009 , H04L1/1607
摘要： Provided are apparatus and method for transmitting and receiving data for a wireless communication system. The method includes generating a first aggregation packet by controlling the number of preambles or by controlling a size of a packet according to a channel state of a channel formed to at least one reception terminal or according to a state of the reception terminal, and transmitting the first aggregation packet to the reception terminal.
摘要翻译：提供了一种用于无线通信系统的发送和接收数据的装置和方法。该方法包括：通过控制前导码的数量或根据形成于至少一个接收终端的信道的信道状态或根据接收终端的状态来控制分组的大小来生成第一聚合分组，并且发送第一聚合分组到接收终端。

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