-
公开(公告)号：US20210160019A1
公开(公告)日：2021-05-27
申请号：US16953880
申请日：2020-11-20
Inventor： Hoo Sung LEE , Jae Woo PARK , Moon Sik LEE , Chan Bok JEONG , Jee Yon CHOI
Abstract: A baseband signal generation method includes mapping frequency-domain data for a plurality of component carriers to subcarrier resources; performing a frequency shift on the frequency domain-data allocated to the subcarrier resources; generating a time-domain signal by performing IFFT on the frequency-shifted frequency-domain data using a single IFFT block; and generating a time-domain baseband signal by adding a CP to the time-domain signal.
-
42.发明申请公开(公告)号：US20190174484A1
公开(公告)日：2019-06-06
申请号：US16253292
申请日：2019-01-22
Inventor： Yun Joo KIM , Jee Yon CHOI , Sok-Kyu LEE
Abstract: The present invention relates to a method for efficient transmission of a request frame such as an RTS/CTS frame and a response frame in response to the request frame in a multi-user based wireless communication system. The method of the present invention comprises: a process where wireless terminals transmit a response frame at their own response frame transmission time through a request frame that contains information about a plurality of wireless terminals and information about the response frame transmission time of the respective wireless terminals; a process where the respective wireless terminals transmit a response frame according to a token scheme such that the response frame is transmitted to a final access point; and a process where only a representative wireless terminal selected depending on a given wireless environment receives the response frame.
-
公开(公告)号：US20180331796A1
公开(公告)日：2018-11-15
申请号：US16042838
申请日：2018-07-23
Inventor： Yu Ro LEE , Jae Woo PARK , Jae Seung LEE , Jee Yon CHOI , Il Gyu KIM , Seung Chan BANG
IPC: H04L5/00 , H04L27/26 , H04B17/336 , H04B7/06 , H04B7/0452 , H04B7/024
CPC classification number: H04L5/005 , H04B7/024 , H04B7/0452 , H04B7/0617 , H04B17/336 , H04L5/0023 , H04L5/0032 , H04L5/0073 , H04L27/2613
Abstract: Disclosed are a frame transmission method and a communication device performing the same. The communication device may transmit a null data packet (NDP)-announcement (NDP-A) including information on a plurality of communication devices participating in interference alignment and transmit an NDP including a common signal field and a common training field commonly applied to the plurality of communication devices.
-
Patent Agency Ranking
44.发明申请公开(公告)号：US20160366057A1
公开(公告)日：2016-12-15
申请号：US15247479
申请日：2016-08-25
Inventor： Jee Yon CHOI , Jae Woo PARK , Hyoung Jin KWON , Sok Kyu LEE
IPC: H04L12/741 , H04W72/04 , H04B7/06 , H04B7/04
CPC classification number: H04L45/74 , H04B7/0452 , H04B7/0617 , H04W72/0413 , H04W88/08
Abstract: Provided is a method of transmitting and receiving a frame for a multi-user multiple-input and multiple-output (MU-MIMO) communication in an access point (AP), the method including transmitting, to each of a plurality of stations (STAs), an uplink multi-user request (UL MU request) frame requesting transmission of a data frame, and receiving, from each of the plurality of STAs, the data frame during an identical period of time based on an identical reception intensity, wherein the UL MU request frame includes at least one of information on a transmission time of the data frame and information on a reception intensity of the data frame in the AP.
-
45.发明申请WIRELESS COMMUNICATION METHOD FOR ENHANCING TRANSMISSION EFFICIENCY THROUGH SEPARATING TRANSMISSION INTERVAL IN WIRELESS LOCAL AREA NETWORK (WLAN) SYSTEM 审中-公开无线局域网（WLAN）系统通过分离传输间隔来提高传输效率的无线通信方法公开(公告)号：US20160150557A1
公开(公告)日：2016-05-26
申请号：US14946551
申请日：2015-11-19
Inventor： Jae Seung LEE , IL Gyu KIM , Jae Woo PARK , Yu Ro LEE , Jee Yon CHOI
CPC classification number: H04W52/0206 , H04W48/12 , H04W74/04 , H04W84/12 , Y02D70/1224 , Y02D70/1262 , Y02D70/1264 , Y02D70/142 , Y02D70/146 , Y02D70/166
Abstract: Provided is a wireless communication method performed at an access point to enhance the transmission efficiency in a wireless local area network (WLAN) system, the method including scheduling a transmission time of an enhanced traffic indicator map (TIM) frame based on a type of a station, and transmitting a second beacon including the enhanced TIM frame to the station at a point in time aside from a transmission point in time of a first beacon.
Abstract translation: 提供了一种在接入点执行的无线通信方法，以提高无线局域网（WLAN）系统中的传输效率，所述方法包括基于类型的一种类型调度增强业务指示符映射（TIM）帧的传输时间 并且在除了第一信标的时间的传输点之外的时间点将包括增强的TIM帧的第二信标发送到所述站。
-
46.发明申请METHOD FOR TRANSMITTING FRAME USING SELECTIVE BEAMFORMING AND APPARATUS FOR PERFORMING THE METHOD 审中-公开使用选择性波束发射框架的方法和实现方法的装置公开(公告)号：US20160043787A1
公开(公告)日：2016-02-11
申请号：US14817259
申请日：2015-08-04
Inventor： Yu Ro LEE , Jae Woo PARK , Jae Seung LEE , Jee Yon CHOI , Il Gyu KIM , Seung Chan BANG
CPC classification number: H04W16/28 , H04B7/0617 , H04B7/0626 , H04W72/0453 , H04W72/085
Abstract: Disclosed are a frame transmission method using a selective beamforming and a communication apparatus to perform the frame transmission method. The communication apparatus may determine a beamforming matrix based on classification information in which a plurality of subcarriers used for communication is classified into a plurality of frequency units, may map a long training field (LTF) sequence to the beamforming matrix, and transmit a beamforming training (BF-T) frame including the mapped LTF sequence to a plurality of stations, may receive, from the plurality of stations having receiving the BF-T frame, feedback information generated based on a reception strength of the BF-T frame, and may allocate frequency units to data frames to be transmitted to the plurality of stations based on the feedback information, and transmit the data frames using the allocated frequency units. The reception strength of the BF-T frame may be determined at each station for each frequency unit.
Abstract translation: 公开了使用选择波束成形的帧发送方法和通信装置来执行帧发送方法。 通信装置可以基于将用于通信的多个子载波分类为多个频率单位的分类信息来确定波束形成矩阵，可以将长训练场（LTF）序列映射到波束成形矩阵，并且发送波束成形训练 包括映射的LTF序列的多个（BF-T）帧可以从接收到BF-T帧的多个站接收基于BF-T帧的接收强度生成的反馈信息，并且可以 基于所述反馈信息，将频率单位分配给要发送到所述多个站的数据帧，并且使用所分配的频率单位来发送所述数据帧。 BF-T帧的接收强度可以针对每个频率单元在每个站点确定。
-
公开(公告)号：US20160043785A1
公开(公告)日：2016-02-11
申请号：US14886474
申请日：2015-10-19
Inventor： Jae Woo PARK , Jong Ee OH , IL-Gu LEE , Sok-kyu LEE , Min Ho CHEONG , Jee Yon CHOI , Jae Seung LEE , Yun Joo KIM
CPC classification number: 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
Abstract: 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：US20150358961A1
公开(公告)日：2015-12-10
申请号：US14734733
申请日：2015-06-09
Inventor： Jee Yon CHOI , Jae Woo PARK , Yu Ro LEE , Jae Seung LEE , IL Gyu KIM , Seung Chan BANG
IPC: H04W72/04
Abstract: Provided is a data frame transmission method of a communication apparatus, the method including determining whether a transmission allowance condition of a data frame of the communication apparatus is satisfied when another communication apparatus occupies a channel, verifying an end time of another data frame transmitted by the other communication apparatus based on a result of the determining, and transmitting the data frame based on the verified end time.
Abstract translation: 提供一种通信装置的数据帧发送方法，所述方法包括：当另一通信装置占用信道时，确定通信装置的数据帧的传输容许条件是否满足，验证由所述通信装置发送的另一数据帧的结束时间 基于确定结果的其他通信装置，并且基于经验证的结束时间发送数据帧。
-
-
-
-
-
-
-
Search Results
48
records
(took 0.021 seconds)
