专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

11. 发明申请

WO2009075517A3 METHOD OF MANAGING MULTIPLE CHANNELS IN SINGLE NETWORK AND NETWORK MANAGEMENT DEVICE 审中-公开
标题翻译：在单一网络和网络管理设备中管理多个信道的方法
公开(公告)号：WO2009075517A3
公开(公告)日：2009-08-06
申请号：PCT/KR2008007295
申请日：2008-12-10
申请人： KOREA ELECTRONICS TELECOMM , UM JUNG-SUN , KO GWANGZEEN , KIM CHANG-JOO , SONG MYUNG-SUN , HWANG SUNG-HYUN , YOU SUNG-JIN
发明人： UM JUNG-SUN , KO GWANGZEEN , KIM CHANG-JOO , SONG MYUNG-SUN , HWANG SUNG-HYUN , YOU SUNG-JIN
IPC分类号： H04L12/28
CPC分类号： H04L41/04 , H04W16/14 , H04W48/12 , H04W84/18
摘要： Provided are a method of managing multiple channels in a single network, and a network management device, also referred to as a network management system. According to the method and the network management device, all devices in one network that operate by using multiple channels share core information, and are effectively controlled.
摘要翻译：提供了一种管理单个网络中的多个信道的方法以及也被称为网络管理系统的网络管理设备。根据该方法和网络管理设备，一个网络中使用多个信道操作的所有设备共享核心信息，并且被有效地控制。

12. 发明申请

WO2009078504A1 APPARATUS AND METHOD OF TRANSMITTING AND RECEIVING DATA FOR IMPROVING TRANSMISSION RATE 审中-公开
标题翻译：发送和接收数据以提高传输速率的装置和方法
公开(公告)号：WO2009078504A1
公开(公告)日：2009-06-25
申请号：PCT/KR2008/001197
申请日：2008-02-29
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , SUNGKYUNKWAN UNIVERSITY Foundation for Corporate Collaboration , HWANG, Sung-Hyun , UM, Jung Sun , SONG, Myung Sun , KIM, Chang-Joo , IM, Se-Bin , YOON, Tae-Woong , CHOI, Hyung-Jin
发明人： HWANG, Sung-Hyun , UM, Jung Sun , SONG, Myung Sun , KIM, Chang-Joo , IM, Se-Bin , YOON, Tae-Woong , CHOI, Hyung-Jin
IPC分类号： H04L27/26
CPC分类号： H04L5/0051 , H04L25/0224 , H04L25/03292 , H04L27/2613 , H04L27/2647
摘要： A data transmitter and receiver for improving a data rate, and more particularly, to an apparatus and method of transmitting and receiving an orthogonal frequency division multiplexing (OFDM) symbol in which a pilot signal is added to a data signal is provided. The apparatus includes a transmitter including: a pilot adder to add a pilot signal to a data signal; and a guard interval inserting unit to insert a guard interval to the data signal with the added pilot signal, and a receiver including: a guard interval removal unit to remove a guard interval in a received time domain signal; a fast Fourier transform (FFT) unit to transform the time domain signal in which the guard interval is removed to a frequency domain signal; a channel estimator to estimate a channel value from the time domain signal in which the guard interval is removed; an equalizer to equalize the frequency domain signal based on the estimated channel value; and a pilot signal removal unit to remove the pilot signal in the equalized frequency domain signal.
摘要翻译：提供了一种用于提高数据速率的数据发送器和接收器，更具体地，涉及一种发送和接收其中向数据信号添加导频信号的正交频分复用（OFDM）符号的装置和方法。该装置包括：发射机，包括：导频加法器，用于将导频信号加到数据信号上; 以及保护间隔插入单元，用于利用所附加的导频信号向所述数据信号插入保护间隔;以及接收机，包括：保护间隔去除单元，用于去除所接收的时域信号中的保护间隔; 快速傅立叶变换（FFT）单元，用于将保护间隔被去除的时域信号变换为频域信号; 信道估计器，用于从保护间隔被去除的时域信号中估计信道值; 均衡器，用于基于估计的信道值来均衡频域信号; 以及导频信号去除单元，用于去除均衡的频域信号中的导频信号。

13. 发明申请

WO2009075517A2 METHOD OF MANAGING MULTIPLE CHANNELS IN SINGLE NETWORK AND NETWORK MANAGEMENT DEVICE 审中-公开
标题翻译：在单网络和网络管理设备中管理多个信道的方法
公开(公告)号：WO2009075517A2
公开(公告)日：2009-06-18
申请号：PCT/KR2008/007295
申请日：2008-12-10
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , UM, Jung-Sun , KO, Gwangzeen , KIM, Chang-Joo , SONG, Myung-Sun , HWANG, Sung-Hyun , YOU, Sung-Jin
发明人： UM, Jung-Sun , KO, Gwangzeen , KIM, Chang-Joo , SONG, Myung-Sun , HWANG, Sung-Hyun , YOU, Sung-Jin
IPC分类号： H04L12/28
CPC分类号： H04L41/04 , H04W16/14 , H04W48/12 , H04W84/18
摘要： Provided are a method of managing multiple channels in a single network, and a network management device, also referred to as a network management system. According to the method and the network management device, all devices in one network that operate by using multiple channels share core information, and are effectively controlled.
摘要翻译：提供了一种在单个网络中管理多个信道的方法，以及也称为网络管理系统的网络管理设备。根据该方法和网络管理设备，通过使用多个信道进行操作的一个网络中的所有设备共享核心信息，并得到有效控制。

14. 发明申请

WO2009072761A2 BEACON RE-BROADCASTING APPARATUS, BEACON RE-BROADCASTING METHOD, AND INITIAL ACCESS REQUEST METHOD IN WIRELESS NETWORK 审中-公开
标题翻译： BEACON RE-BROADCASTING APPARATUS，BEACON RE-BROADCASTING METHOD，AND INITIAL ACCESS REQUEST METHOD IN WIRELESS NETWORK
公开(公告)号：WO2009072761A2
公开(公告)日：2009-06-11
申请号：PCT/KR2008006805
申请日：2008-11-19
申请人： KOREA ELECTRONICS TELECOMM , KO GWANGZEEN , SONG MYUNG-SUN , HWANG SUNG-HYUN , UM JUNG-SUN , KIM CHANG-JOO , YOU SUNG-JIN
发明人： KO GWANGZEEN , SONG MYUNG-SUN , HWANG SUNG-HYUN , UM JUNG-SUN , KIM CHANG-JOO , YOU SUNG-JIN
IPC分类号： H04L12/28
CPC分类号： H04W16/14 , H04W48/12 , H04W72/02 , H04W74/004 , H04W84/18
摘要： Provided are a beacon re-broadcasting apparatus, a beacon re-broadcasting method, and an initial access request method in a wireless network. In the re-broadcasting apparatus and method, a beacon frame including beacon information for communications in the wireless network and information on an echo beacon slot allocated for beacon re-broadcasting among time slots of a superframe is received from a management device for managing the wireless network in which a plurality of terminals communicated with each other through the superframe including time-divided time slots, and the beacon information is re-broadcasted during the echo beacon slot. Accordingly, the beacon information can be received in various environments, and the beacon information can be received to an adjacent network in addition to the corresponding network. Therefore, frequency resources can be shared and effectively used between networks, and convenience and efficiency in network operation can be maximized.
摘要翻译：提供了一种无线网络中的信标再广播设备，信标再广播方法和初始接入请求方法。在重新广播装置和方法中，从用于管理无线网络的管理装置接收包括用于无线网络中的通信的信标信息的信标帧和分配给超帧时隙之间的信标重新广播的回波信标时隙的信息网络，其中多个终端通过包括时分时隙的超帧彼此通信，并且在回波信标时隙期间重新广播信标信息。因此，可以在各种环境中接收信标信息，除了对应的网络之外，也可以将信标信息接收到相邻网络。因此，频率资源可以在网络之间共享和有效地使用，网络运营的方便性和效率可以最大化。

15. 发明申请

WO2008156256A1 METHOD AND APPARATUS OF HYBRID BURST MAPPING IN OFDMA SYSTEMS 审中-公开
标题翻译： OFDMA系统中混合布局映射的方法与装置
公开(公告)号：WO2008156256A1
公开(公告)日：2008-12-24
申请号：PCT/KR2008/003242
申请日：2008-06-11
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , HWANG, Sung-Hyun , UM, Jung-Sun , SONG, Myung-Sun , KIM, Chang-Joo , KO, Gwangzeen
发明人： HWANG, Sung-Hyun , UM, Jung-Sun , SONG, Myung-Sun , KIM, Chang-Joo , KO, Gwangzeen
IPC分类号： H04L27/26
CPC分类号： H04L5/0007 , H04L5/006 , H04L5/0064 , H04L5/0092 , H04L25/0224
摘要： Provided are a method of adaptively allocating appropriate hybrid bursts according to terminal attributes including terminal position, channel state, and service type in an orthogonal frequency-division multiple access (OFDMA) system, and an upstream-MAP information element (US-MAP IE) structure supporting the method. The method includes dividing an upstream subframe into a plurality of zones depending on the number of OFDMA symbols and allocating bursts of a zone to a terminal according to the terminal attributes. Bursts are formed by allocating slots along a time axis in the upstream subframe, and are formed by allocating slots along a frequency axis in a downstream subframe.
摘要翻译：提供了一种根据包括正交频分多址（OFDMA）系统中的终端位置，信道状态和业务类型的终端属性以及上游MAP信息元素（US-MAP IE）自适应地分配适当混合突发的方法，结构支撑的方法。该方法包括根据OFDMA符号的数目将上游子帧划分成多个区域，并根据终端属性向终端分配突发。通过在上游子帧中沿着时间轴分配时隙来形成突发，并且通过在下游子帧中沿着频率轴分配时隙来形成突发。

16. 发明申请

WO2007066917A1 MODE TRANSITION CIRCUIT FOR TRANSFERRING RADIO FREQUENCY SIGNAL AND TRANSCEIVER MODULE HAVING THE SAME 审中-公开
标题翻译：用于传输无线电频率信号的模式转换电路和具有相同功能的收发器模块
公开(公告)号：WO2007066917A1
公开(公告)日：2007-06-14
申请号：PCT/KR2006/004984
申请日：2006-11-24
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , BYUN, Woo-Jin , KIM, Kwang-Seon , KIM, Bong-Su , EUN, Ki-Chan , SONG, Myung-Sun
发明人： BYUN, Woo-Jin , KIM, Kwang-Seon , KIM, Bong-Su , EUN, Ki-Chan , SONG, Myung-Sun
IPC分类号： H01P5/103
CPC分类号： H01P5/107
摘要： Provided is a mode transition circuit for transferring a RF signal and a transceiver module having the same. The mode transition circuit includes: a planar transmission line mounted at a RF substrate for receiving a RF signal from a RF signal generating unit; a via formed inside the RF substrate and connected to one side of the planar transmission line for receiving the RF signal from the planar transmission line; at least one of metal patches formed inside the RF substrate and connected to the one side of the via for receiving the RF signal from the via; and a hole formed inside a low frequency substrate and connected to one side of the metal patch for receiving the RF signal from the metal patch.
摘要翻译：提供了一种用于传送RF信号的模式转换电路和具有该RF信号的收发器模块。模式转换电路包括：安装在RF基板上的平面传输线，用于从RF信号产生单元接收RF信号; 通孔，其形成在RF基板内并连接到平面传输线的一侧，用于从平面传输线接收RF信号; 至少一个金属贴片形成在RF衬底内并连接到通孔的一侧，用于从通孔接收RF信号; 以及形成在低频基板内并连接到金属贴片的一侧的孔，用于从金属贴片接收RF信号。

17. 发明申请

WO2007058490A1 METHOD FOR SWITCHING AND MANAGING FREQUENCY ACCESS IN COGNITIVE RADIO SYSTEM, BASE STATION AND SUBSCRIBER STATION USING THE SAME 审中-公开
标题翻译：用于切换和管理认知无线电系统中的频率访问的方法，使用该方法的基站和订户站
公开(公告)号：WO2007058490A1
公开(公告)日：2007-05-24
申请号：PCT/KR2006/004836
申请日：2006-11-16
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , GO, Gwangzeen , HWANG, Sung-Hyun , KANG, Bub-Joo , KANG, Chung-Gu , KIM, Il-Hwan , KIM, Chang-Joo , SONG, Myung-Sun
发明人： GO, Gwangzeen , HWANG, Sung-Hyun , KANG, Bub-Joo , KANG, Chung-Gu , KIM, Il-Hwan , KIM, Chang-Joo , SONG, Myung-Sun
IPC分类号： H04B7/26
CPC分类号： H04W36/06 , H04W16/14 , H04W72/0413
摘要： Provided are a channel switching method for effectively performing channel switching in a cognitive radio system while protecting an incumbent user, a method of managing a frequency channel, and a base station and customer premises equipment (CPE) using the methods. In the channel switching method performed by the base station, a currently unavailable first frequency channel is detected from among at least one uplink/downlink frequency channel which is set as a communication channel with the CPE; a channel switching request message requesting switching from the first frequency channel to a second frequency channel is transmitted to the CPE; and the first frequency channel is switched to the second frequency channel when a channel switching report message reporting that channel switching is to be performed in response to the channel switching request message is received from the CPE.
摘要翻译：提供了一种用于在保护现有用户，管理频率信道的方法以及使用该方法的基站和用户驻地设备（CPE））中有效地执行认知无线电系统中的信道切换的信道切换方法。在由基站执行的信道切换方法中，从被设置为与CPE的通信信道的至少一个上行链路/下行链路频率信道中检测出当前不可用的第一频率信道; 请求从第一频道切换到第二频道的频道切换请求消息被传送到CPE; 并且当从CPE接收到响应于信道切换请求消息报告要进行信道切换的信道切换报告消息时，第一频道切换到第二频道。

18. 发明申请

WO2007052995A1 METHOD FOR USING FLEXIBLE BANDWIDTH IN OFDMA-BASED COGNITIVE RADIO SYSTEM, BASE STATION AND SUBSCRIBER STATION USING THE SAME 审中-公开
标题翻译：基于OFDMA的认知无线电系统中使用灵活带宽的方法，使用该方法的基站和订户站
公开(公告)号：WO2007052995A1
公开(公告)日：2007-05-10
申请号：PCT/KR2006/004651
申请日：2006-11-07
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , HWANG, Sung-Hyun , SONG, Myung-Sun , KIM, Yun-Hee , KIM, Chang-Joo
发明人： HWANG, Sung-Hyun , SONG, Myung-Sun , KIM, Yun-Hee , KIM, Chang-Joo
IPC分类号： H04L27/26
CPC分类号： H04L5/0044 , H04L5/0007 , H04L5/0037 , H04L5/0053 , H04L5/0064 , H04L5/0094
摘要： Provided are a method for using a flexible bandwidth in an orthogonal frequency division multiple access (OFDMA)-based cognitive radio system, and a base station (BS) and a subscriber station using the method. The method includes: allocating a channel band from among unused channel bands having a bandwidth that is a natural number times a bandwidth resolution to customer premises equipment (CPE), wherein the bandwidth resolution is a predetermined bandwidth smaller than a bandwidth of a broadcast channel band, and transmitting an OFDMA-based signal comprising band allocation information indicating information regarding the allocated channel band.
摘要翻译：提供了一种在基于正交频分多址（OFDMA）的认知无线电系统中使用灵活带宽的方法，以及使用该方法的基站（BS）和订户站。该方法包括：从具有自然数乘以带宽分辨率的带宽的未使用信道频带分配给客户端设备（CPE）的信道频带，其中带宽分辨率是比广播信道频带的带宽小的预定带宽并且发送包括指示关于所分配的信道频带的信息的频带分配信息的基于OFDMA的信号。

19. 发明申请

WO2007043827A1 METHOD OF FREQUENCY CHANNEL ASSIGNMENT USING EFFECTIVE SPECTRUM SENSING IN MULTIPLE FA SYSTEM 审中-公开
标题翻译：使用多模FA系统中有效频谱感测的频率信道分配方法
公开(公告)号：WO2007043827A1
公开(公告)日：2007-04-19
申请号：PCT/KR2006/004123
申请日：2006-10-13
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KANG, Bub-Joo , SONG, Myung-Sun , KIM, Chang-Joo
发明人： KANG, Bub-Joo , SONG, Myung-Sun , KIM, Chang-Joo
IPC分类号： H04J11/00
CPC分类号： H04W16/14 , H04B1/715 , H04W16/10 , H04W72/042 , H04W72/06 , H04W72/085
摘要： Provided is a method of assigning a frequency channel using efficient spectrum sensing in a multiple Frequency Assignment (FA) system. The method includes a channel sensing process, wherein a base station (BS) of a secondary user classifies multiple frequency channels licensed to a primary user into a plurality of channel state sets according to usage states, periodically senses channel states by changing a sensing period according to the types of classified channel state sets, and manages the sensed channel states as frequency channel state set information; a channel state set broadcasting process, wherein the BS transmits the frequency channel state set information manage d in the channel sensing process to secondary user terminals using a broadcast message; and a channel assigning process, wherein if the BS receives a channel assignment request message from a new secondary user terminal which has received the broadcast message, the BS assigns an unused frequency channel from among frequency channels licensed to the primary user to the new secondary user terminal using the frequency channel state set information. Accordingly, a frequency channel can be assigned to a secondary user requesting channel assignment using frequency channel state set information without a primary user experiencing interference noise.
摘要翻译：提供了一种在多频分配（FA）系统中使用有效频谱感测来分配频道的方法。该方法包括信道感测过程，其中次用户的基站（BS）根据使用状态将授权给主用户的多个频率信道分类为多个信道状态集合，通过根据使用状态改变感测周期周期性地感测信道状态分类信道状态集合的类型，并将所感测的信道状态管理为频道状态集信息; 信道状态集广播处理，其中，所述BS使用广播消息将频道感测处理中的频道状态集信息管理d发送给次用户终端; 以及信道分配处理，其中，如果所述BS从已经接收到所述广播消息的新的辅助用户终端接收到信道分配请求消息，则所述BS将许可给所述主用户的频率信道中的未使用的频率信道分配给所述新的辅助用户终端使用频道状态集信息。因此，频率信道可以被分配给辅助用户使用频道状态集信息来请求信道分配，而不会使主用户遇到干扰噪声。

20. 发明申请

WO2010071337A2 HYBRID BEACONING METHOD 审中-公开
标题翻译：混合网络方法
公开(公告)号：WO2010071337A2
公开(公告)日：2010-06-24
申请号：PCT/KR2009/007485
申请日：2009-12-15
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KO, Gwangzeen , LEE, Moon-Won , YOU, Sung-Jin , HWANG, Sung-Hyun , UM, Jung-Sun , SONG, Myung-Sun , KIM, Chang-Joo
发明人： KO, Gwangzeen , LEE, Moon-Won , YOU, Sung-Jin , HWANG, Sung-Hyun , UM, Jung-Sun , SONG, Myung-Sun , KIM, Chang-Joo
IPC分类号： H04L12/28
CPC分类号： H04W48/08 , H04W88/06
摘要： Provided is a hybrid beaconing method in which a centralized beaconing scheme and a distributed beaconing scheme are combined. In the hybrid beaconing method, a beaconing scheme is converted according to a network condition, and a centralized beaconing scheme or a distributed beaconing scheme is used to maintain an optimum network status
摘要翻译：提供了组合中央信标方案和分布式信标方案的混合信标方法。在混合信标方法中，根据网络条件转换信标方案，并使用集中式信标方案或分布式信标方案来维持最佳网络状态

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