专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明授权

US09942782B2 Method and apparatus for supporting mobile station disconnected from a base station in wireless communication system 有权
公开(公告)号：US09942782B2
公开(公告)日：2018-04-10
申请号：US13360448
申请日：2012-01-27
申请人： Hyun-Kyu Yu , Chi-Woo Lim , Su-Ryong Jeong
发明人： Hyun-Kyu Yu , Chi-Woo Lim , Su-Ryong Jeong
IPC分类号： H04W4/00 , H04B7/15 , H04W24/04 , H04W4/22 , H04W76/02 , H04W36/14 , H04W84/20 , H04W88/04
CPC分类号： H04W24/04 , H04W4/90 , H04W36/14 , H04W76/19 , H04W84/20 , H04W88/04
摘要： A method and apparatus support a Mobile Station (MS) located in a collapsed cell area to be disconnected from a Base Station (BS) in a wireless communication system. A method of an MS for supporting an disconnected MS disconnected from a BS in a wireless communication system includes receiving a rescue signal from the disconnected MS; collecting information to determine a support MS for the disconnected MS; and transmitting the collected information to a serving BS.

22. 发明授权

US09240860B2 Apparatus and method for operating channel quality indicator channel on sleep mode in broadband wireless communication system 有权
标题翻译：宽带无线通信系统中睡眠模式下信道质量指示信道的操作方法
公开(公告)号：US09240860B2
公开(公告)日：2016-01-19
申请号：US13508338
申请日：2010-11-05
申请人： Yeong-Moon Son , Jeong-Ho Park , Hyun-Jeong Kang , Hyun-Kyu Yu
发明人： Yeong-Moon Son , Jeong-Ho Park , Hyun-Jeong Kang , Hyun-Kyu Yu
IPC分类号： H04W52/02 , H04L1/00
CPC分类号： H04L1/0027 , H04L1/0026 , H04L1/0029 , H04L1/003 , H04W52/0216 , Y02D70/142 , Y02D70/146
摘要： A Channel Quality Indicator (CQI) channel management in a broadband wireless communication system is provided. Operations of a base station include determining a CQI channel operation mode for a CQI channel of a terminal which enters a sleep mode; transmitting at least one message which instructs to enter the sleep mode and includes information indicating the CQI channel operation mode; and managing the CQI channel of the terminal according to the CQI channel operation mode while the terminal operates in the sleep mode. Candidates of the CQI channel operation mode include at least one of a first mode which deallocates the CQI channel in the sleep mode entry, a second mode which maintains the CQI channel in the sleep mode and forbids CQI channel allocation to other terminal during a sleep window, a third mode which deallocates the CQI channel in the sleep window entry without signaling, and a fourth mode which maintains the CQI channel in the sleep mode and allows the CQI channel allocation to other terminal during the sleep window.
摘要翻译：提供宽带无线通信系统中的信道质量指示（CQI）信道管理。基站的动作包括：确定进入休眠模式的终端的CQI信道的CQI信道操作模式; 发送指示进入睡眠模式的至少一个消息，并且包括指示CQI信道操作模式的信息; 以及终端在睡眠模式下操作时，根据CQI信道操作模式管理终端的CQI信道。 CQI信道操作模式的候选者包括在休眠模式条目中解除分配CQI信道的第一模式中的至少一个，将睡眠模式下保持CQI信道的第二模式，并且在睡眠窗口期间禁止CQI信道分配给其他终端，在没有信令的情况下解除在休眠窗口条目中的CQI信道的分配的第三模式，以及在睡眠模式下将CQI信道维持在睡眠模式中并允许在睡眠窗口期间将CQI信道分配给其他终端的第四模式。

23. 发明授权

US09191957B2 Apparatus and method for selecting best beam in wireless communication system 有权
标题翻译：在无线通信系统中选择最佳波束的装置和方法
公开(公告)号：US09191957B2
公开(公告)日：2015-11-17
申请号：US13591610
申请日：2012-08-22
申请人： Tae-Young Kim , Hyun-Kyu Yu , Jae-Weon Cho
发明人： Tae-Young Kim , Hyun-Kyu Yu , Jae-Weon Cho
IPC分类号： H04B7/14 , H04W72/04 , H04B7/06
CPC分类号： H04W72/048 , H04B7/0617 , H04B7/063 , H04B7/0695 , H04L5/0051 , H04W72/046 , H04W88/08
摘要： An apparatus and method for selecting the best beam in a wireless communication system are provided. An operation of a Base Station (BS) includes repeatedly transmitting reference signals beamformed with a first width, receiving a feedback signal indicating at least one preferred-beam having the first width from at least one terminal, determining a direction range within which reference signals beamformed with a second width are to be transmitted and a transmission pattern, based on the at least one preferred-beam having the first width, repeatedly transmitting the reference signals beamformed with the second width within the determined direction range according to the transmission pattern, and receiving a feedback signal indicating at least one preferred-beam having the second width from the at least one terminal.
摘要翻译：提供了一种用于在无线通信系统中选择最佳波束的装置和方法。基站（BS）的操作包括重复发送以第一宽度形成的参考信号，从至少一个终端接收指示至少一个具有第一宽度的优选波束的反馈信号，确定参考信号波束形成的方向范围第二宽度将被传输，并且基于具有第一宽度的至少一个优选光束的传输模式根据传输模式重复地在所确定的方向范围内传输与第二宽度成对的参考信号，并且接收指示至少一个具有来自至少一个终端的第二宽度的优选光束的反馈信号。

24. 发明授权

US08983547B2 Apparatus and method for beam selecting in beamformed wireless communication system 有权
标题翻译：波束形成无线通信系统中波束选择的装置和方法
公开(公告)号：US08983547B2
公开(公告)日：2015-03-17
申请号：US13618301
申请日：2012-09-14
申请人： Su-Ryong Jeong , Tae-Young Kim , Chi-Woo Lim , Hyun-Kyu Yu
发明人： Su-Ryong Jeong , Tae-Young Kim , Chi-Woo Lim , Hyun-Kyu Yu
IPC分类号： H04M1/00 , H04W88/00 , H04B7/06 , H04B7/08 , H04W72/04 , H04W74/00
CPC分类号： H04B7/0617 , H04B7/063 , H04B7/0695 , H04B7/086 , H04B7/088 , H04W72/042 , H04W72/046 , H04W74/008
摘要： An apparatus and a method for reducing delay during beam alignment in a beamformed wireless communication system are provided. A method for selecting a beam pattern in a Base Station (BS) includes determining whether a direction finding signal is received through each time interval of a direction finding channel, transmitting information of whether the direction finding signal is received with respect to each time interval of the direction finding channel, changing a receive beam pattern and receiving a random access signal from a Mobile Station (MS) with at least one transmit beam pattern over a random access channel, and selecting one of transmit beam patterns of the MS and one of receive beam patterns of the BS according to the random access signal.
摘要翻译：提供了一种用于在波束形成的无线通信系统中减少光束对准期间的延迟的装置和方法。一种用于在基站（BS）中选择波束图案的方法包括：确定是否通过方向查找信道的每个时间间隔接收到方向查找信号，发送关于每个时间间隔是否接收到方向查找信号的信息所述方向发现信道，改变接收波束图案，并且通过随机接入信道从具有至少一个发射波束图案的移动台（MS）接收随机接入信号，以及选择所述MS和接收中的一个的发射波束图案之一根据随机接入信号的BS的波束图案。

25. 发明授权

US08874126B2 Method and apparatus for initial ranging in wireless communication system including heterogeneous network 有权
标题翻译：包括异构网络的无线通信系统初始测距方法和装置
公开(公告)号：US08874126B2
公开(公告)日：2014-10-28
申请号：US13415730
申请日：2012-03-08
申请人： Su-Ryong Jeong , Sung-Eun Park , Hyun-Kyu Yu , Chi-Woo Lim , Shuangfeng Han
发明人： Su-Ryong Jeong , Sung-Eun Park , Hyun-Kyu Yu , Chi-Woo Lim , Shuangfeng Han
IPC分类号： H04W72/00 , H04W48/12 , H04W48/20 , H04W72/08 , H04W72/04
CPC分类号： H04W48/12 , H04W48/20 , H04W72/042 , H04W72/082
摘要： An apparatus and method for initial ranging in a wireless communication system including a heterogeneous network. An operation of a terminal includes selecting a serving cell considering a biased value of a base station applying range expansion. The operation also includes receiving ranging code classification information and threshold information associated with the serving cell. The operation further includes, if a channel quality with the serving cell is less than the threshold, selecting one a plurality of poor-expected-ranging codes indicated by the ranging code classification information, and performing initial ranging using the selected poor-expected-ranging code.
摘要翻译：一种用于包括异构网络的无线通信系统中的初始测距的装置和方法。终端的操作包括考虑基站施加范围扩展的偏置值来选择服务小区。该操作还包括接收测距码分类信息和与服务小区相关联的阈值信息。该操作还包括：如果与服务小区的信道质量小于阈值，则选择由测距码分类信息指示的多个不良预期测距码中的一个，并且使用所选择的预期不合格范围进行初始测距码。

26. 发明授权

US08594053B2 Apparatus and method for adaptive beam-forming in wireless communication system 有权
标题翻译：无线通信系统中自适应波束形成的装置和方法
公开(公告)号：US08594053B2
公开(公告)日：2013-11-26
申请号：US13302182
申请日：2011-11-22
申请人： Tae-Young Kim , Hyun-Kyu Yu , Jae-Weon Cho
发明人： Tae-Young Kim , Hyun-Kyu Yu , Jae-Weon Cho
IPC分类号： H04W4/00 , H04B1/38 , H01Q3/00
CPC分类号： H04B7/0408 , H04L1/1867 , H04W72/0413 , H04W72/042 , H04W72/046 , H04W84/042
摘要： Apparatuses and methods for maintaining an optimal beam direction in a wireless communication system are provided. The method for operating a receiving node in a wireless communication system includes, determining a first transmission beam is determined as a preferred transmission beam using a plurality of reference signals transmitted by a transmitting node, generating preferred transmission beam information, transmitting the preferred transmission beam information to the transmitting node, receiving transmissions from the transmitting node via the first transmission beam, and determining whether a change of a transmission beam is necessary. When the change of the transmission beam is determined to be necessary, generating a beam change request and transmitting the beam change request to the transmitting node.
摘要翻译：提供了一种用于在无线通信系统中保持最佳波束方向的装置和方法。用于在无线通信系统中操作接收节点的方法包括：使用由发送节点发送的多个参考信号来确定第一发送波束被确定为优选发送波束，生成优选发送波束信息，发送优选发送波束信息发送节点，经由第一发送波束从发送节点接收发送，并确定是否需要发送波束的变化。当发送波束的变化被确定为必要时，产生波束改变请求并将波束改变请求发送给发送节点。

27. 发明授权

US08503422B2 Method and apparatus for transmitting paging control information in a wireless communication system 有权
标题翻译：用于在无线通信系统中发送寻呼控制信息的方法和装置
公开(公告)号：US08503422B2
公开(公告)日：2013-08-06
申请号：US12821768
申请日：2010-06-23
申请人： Hyun-Jeong Kang , Rakesh Taori , Yeong-Moon Son , Hyun-Kyu Yu
发明人： Hyun-Jeong Kang , Rakesh Taori , Yeong-Moon Son , Hyun-Kyu Yu
IPC分类号： H04J3/00
CPC分类号： H04W68/025
摘要： A method and apparatus for transmitting paging control information in a wireless communication system are provided. A method of operating a Base Station (BS) for paging in a superframe-based wireless communication system includes determining a paging listening interval, determining an interval of at least one or more subframes before the paging listening interval, as a paging control listening interval, and, during the paging control listening interval, broadcasting a paging control message.
摘要翻译：提供一种在无线通信系统中发送寻呼控制信息的方法和装置。一种在基于超帧的无线通信系统中操作用于寻呼的基站（BS）的方法包括：确定寻呼监听间隔，确定寻呼侦听间隔之前的至少一个或多个子帧的间隔，作为寻呼控制侦听间隔，并且在寻呼控制监听间隔期间，广播寻呼控制消息。

28. 发明授权

US08358712B2 Apparatus and method for transmitting/receiving reference signal in a communication system 有权
标题翻译：在通信系统中发送/接收参考信号的装置和方法
公开(公告)号：US08358712B2
公开(公告)日：2013-01-22
申请号：US12364318
申请日：2009-02-02
申请人： Tae-Young Kim , Hyun-Kyu Yu , Ho-Kyu Choi , Jae-Weon Cho
发明人： Tae-Young Kim , Hyun-Kyu Yu , Ho-Kyu Choi , Jae-Weon Cho
IPC分类号： H04L27/28
CPC分类号： H04W52/143 , H04W52/241 , H04W52/325 , H04W52/42 , H04W52/54
摘要： An apparatus and method for transmitting/receiving a reference signal in a communication system are provided, in which a transmitter determines first and second different transmit power values for first and second pilot tones residing in one of the substantially same time resource and the substantially same frequency resource among pilot tones included in a data area in a subframe having time and frequency resources, and transmits the first pilot tone with the first transmit power value and the second pilot tone with the second transmit power value. The first transmit power may be a reference transmit power value and the second transmit power may be a product between a weight and the reference transmit power value.
摘要翻译：提供了一种用于在通信系统中发送/接收参考信号的装置和方法，其中发射机确定驻留在基本上相同的时间资源之一中的第一和第二导频音调的第一和第二不同的发射功率值，包括在具有时间和频率资源的子帧中的数据区域中的导频音中的资源，并且以具有第二发送功率值的第一发送功率值和第二导频音发送第一导频音。第一发射功率可以是参考发射功率值，并且第二发射功率可以是权重和参考发射功率值之间的乘积。

29. 发明授权

US07751521B2 Clock and data recovery apparatus 有权
标题翻译：时钟和数据恢复装置
公开(公告)号：US07751521B2
公开(公告)日：2010-07-06
申请号：US11280187
申请日：2005-11-15
申请人： Sang-Jin Byun , Hyun-Kyu Yu
发明人： Sang-Jin Byun , Hyun-Kyu Yu
IPC分类号： H03D3/24
CPC分类号： H03L7/107 , H03D13/004 , H03L7/0891 , H03L7/091 , H03L7/0995 , H04L7/033
摘要： A clock and data recovery apparatus reduces current consumption and enables easy integration. The inventive apparatus includes a first loop including a frequency/phase detection unit, a first charge pump unit, a multiplexing unit, a filtering unit, and a voltage controlled oscillator unit operating at a speed ¼ as fast as that of received data; a second loop having a phase detection unit operating at a speed ¼ as fast as a speed of received data, a second charge pump unit suitable for the phase detection unit, the multiplexing unit, the filtering unit, and the voltage controlled oscillator unit; a frequency lock detection unit for judging whether a frequency of a feedback clock signal falls within a desired frequency range; and a data recovery unit for recovering data from received data.
摘要翻译：时钟和数据恢复装置降低了电流消耗并且使得易于集成。本发明的装置包括第一回路，其包括频率/相位检测单元，第一电荷泵单元，复用单元，滤波单元和以与接收数据速度相同的速度运行的压控振荡器单元; 第二回路，其具有以接收数据速度快的速度操作的相位检测单元，适用于相位检测单元的第二电荷泵单元，多路复用单元，滤波单元和压控振荡器单元; 频率锁定检测单元，用于判断反馈时钟信号的频率是否在期望的频率范围内; 以及用于从接收到的数据恢复数据的数据恢复单元。

30. 发明申请

US20080062915A1 Apparatus and method for automatic repeat request in multi input multi output system 有权
标题翻译：多输入多输出系统中自动重复请求的装置和方法
公开(公告)号：US20080062915A1
公开(公告)日：2008-03-13
申请号：US11900755
申请日：2007-09-13
申请人： Elisabeth Carvalho , Petar Popovski , Seung-Hoon Park , David Mazzarese , Hyun-Kyu Yu , Sung-Kwon Hong , Ho-Kyu Choi , Dong-Seek Park , Young-Kyun Kim
发明人： Elisabeth Carvalho , Petar Popovski , Seung-Hoon Park , David Mazzarese , Hyun-Kyu Yu , Sung-Kwon Hong , Ho-Kyu Choi , Dong-Seek Park , Young-Kyun Kim
IPC分类号： H04J3/00
CPC分类号： H04L1/0643 , H04B7/0623 , H04B7/0669 , H04B7/0673 , H04B7/0691 , H04L1/0006 , H04L1/0025 , H04L1/1671
摘要： An apparatus and method for Automatic Repeat reQuest (ARQ) in a Multi Input Multi Output (MIMO) system. The method includes computing weights of erroneous packets and weights of transmitting antennas by using channel information; sorting the weights of the erroneous packets in descending order; sorting the weights of the transmitting antennas in ascending order; and assigning the transmitting antennas to the erroneous packets according to sorting results.
摘要翻译：一种多输入多输出（MIMO）系统中自动重复请求（ARQ）的装置和方法。该方法包括使用信道信息来计算错误分组的权重和发送天线的权重; 以降序排列错误数据包的权重; 按照升序排列发射天线的权重; 以及根据分类结果将发送天线分配给错误的分组。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式