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1. 发明申请

WO2009020376A8 METHOD AND APPARATUS FOR FORMING SIGNALS IN WIRELESS COMMUNICATION SYSTEMS 审中-公开
标题翻译：在无线通信系统中形成信号的方法和装置
公开(公告)号：WO2009020376A8
公开(公告)日：2010-03-25
申请号：PCT/KR2008004645
申请日：2008-08-08
申请人： KOREA ELECTRONICS TELECOMM , SAMSUNG ELECTRONICS CO LTD , KO YOUNG-JO , PARK HYEONG-GEUN , KIM IL-GYU , CHANG KAPSEOK , YI HYOSEOK , KIM YOUNG-HOON , BANG SEUNG-CHAN
发明人： KO YOUNG-JO , PARK HYEONG-GEUN , KIM IL-GYU , CHANG KAPSEOK , YI HYOSEOK , KIM YOUNG-HOON , BANG SEUNG-CHAN
IPC分类号： H04L29/06
CPC分类号： H04J11/003 , H04L1/1861 , H04L5/0007 , H04L5/0053 , H04L27/2607 , H04W72/00
摘要： Provided is method of forming a signal in a wireless communication system in which a plurality of terminals commonly use a resource in the time domain and the frequency domain. The method includes multiplying a signal to be transmitted by a frequency domain orthogonal code symbol corresponding to a first cyclic shift index in a first slot to be transmitted to a base station, wherein the multiplying is performed by a first terminal and a second terminal; and multiplying information to be transmitted by a frequency domain orthogonal code symbol corresponding to a second cyclic index that is different from the first cyclic index of the first slot to be transmitted to the base station, in a second slot, wherein the multiplying is performed by the first terminal and the second terminal.
摘要翻译：提供了在多个终端在时域和频域中共同使用资源的无线通信系统中形成信号的方法。该方法包括将待发送的信号乘以与要发送到基站的第一时隙中的对应于第一循环移位索引的频域正交码符号，其中乘法由第一终端和第二终端执行; 以及在第二时隙中将要发送的频率乘以与要发送的第一时隙的第一循环索引不同的第二循环索引的频域正交码符号发送到第二时隙，其中，乘法由第一终端和第二终端。

2. 发明申请

WO2009072792A1 METHOD FOR RESOURCE ALLOCATION IN WIRELESS COMMUNICATION SYSTEM 审中-公开
标题翻译：无线通信系统资源分配方法
公开(公告)号：WO2009072792A1
公开(公告)日：2009-06-11
申请号：PCT/KR2008/007111
申请日：2008-12-02
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KTFREETEL CO., LTD , KIM, Keun Young , RYU, Byung-Han , BANG, Seung Chan
发明人： KIM, Keun Young , RYU, Byung-Han , BANG, Seung Chan
IPC分类号： H04B7/26
CPC分类号： H04L27/0008 , H04L5/0046 , H04L5/006 , H04L5/0064 , H04L27/34
摘要： The present invention provides a method for resource allocation in a wireless communication system. In the method for resource allocation, a scheduler of a base station decides on a modulation scheme and an encoding scheme according to channel quality information (CQI), and decides on a number of allocated resource blocks according to transmission data size referring to a table of resource block allocation. The table of resource block allocation presents a number of allocated resource blocks and a number of transmission bits according to the number of allocated resource blocks.
摘要翻译：本发明提供一种无线通信系统中的资源分配方法。在资源分配方法中，基站的调度器根据信道质量信息（CQI）来决定调制方式和编码方式，并参照下面的表格，根据发送数据大小来决定分配的资源块的数量资源块分配。资源块分配表根据所分配的资源块的数量呈现分配的资源块数和传输比特数。

3. 发明申请

WO2009008679A3 METHOD FOR GENERATING DOWNLINK FRAME, AND METHOD FOR SEARCHING CELL 审中-公开
标题翻译：产生下行链路帧的方法和搜索小区的方法
公开(公告)号：WO2009008679A3
公开(公告)日：2009-03-19
申请号：PCT/KR2008004094
申请日：2008-07-11
申请人： KOREA ELECTRONICS TELECOMM , CHANG KAP SEOK , KIM IL GYU , PARK HYEONG GEUN , KO YOUNG JO , YI HYO SEOK , LEE MOON SIK , KIM YOUNG HOON , BANG SEUNG CHAN
发明人： CHANG KAP SEOK , KIM IL GYU , PARK HYEONG GEUN , KO YOUNG JO , YI HYO SEOK , LEE MOON SIK , KIM YOUNG HOON , BANG SEUNG CHAN
IPC分类号： H04B7/26 , H04L12/28
CPC分类号： H04W56/00 , H04J11/0069 , H04J11/0076 , H04L25/03866 , H04L27/2613 , H04L27/2655 , H04L27/2656 , H04L27/2657 , H04L27/2662
摘要： The present invention relates to a method for generating a downlink frame includes: generating a first short sequence and a second short sequence indicating cell group information; generating a first scrambling sequence determined by a first synchronization signal; generating a second scrambling sequence determined by a first short sequence and a third scrambling sequence determined by a second short sequence; scrambling the first short sequence with the first scrambling sequence; scrambling the second short sequence with the second scrambling sequence; scrambling the second short sequence with the first scrambling sequence; scrambling the first short sequence with the third scrambling sequence; and mapping one second synchronization signal including the first short sequence scrambled with the first scrambling sequence and the second short sequence scrambled with the second scrambling sequence and another second synchronization signal including the second short sequence scrambled with the first scrambling sequence and the first short sequence scrambled with the third scrambling sequence in the frequency domain.
摘要翻译：本发明涉及一种用于生成下行链路帧的方法，包括：生成指示小区组信息的第一短序列和第二短序列; 产生由第一同步信号确定的第一加扰序列; 产生由第二短序列确定的第一短序列和第三加扰序列确定的第二加扰序列; 用第一加扰序列加扰第一短序列; 用第二加扰序列加扰第二短序列; 用第一加扰序列加扰第二短序列; 用第三加扰序列加扰第一短序列; 并且将包括用第一加扰序列加扰的第一短序列和用第二加扰序列加扰的第二短序列的一个第二同步信号和包括用第一加扰序列和加扰的第一短序列加扰的第二短序列的另一个第二同步信号映射在频域中具有第三个加扰序列。

4. 发明申请

WO2009011501A3 METHOD FOR GENERATING DOWNLINK FRAME, AND METHOD FOR SEARCHING CELL 审中-公开
公开(公告)号：WO2009011501A3
公开(公告)日：2009-01-22
申请号：PCT/KR2008/003605
申请日：2008-06-24
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , SAMSUNG ELECTRONICS.CO., LTD. , KIM, Il Gyu , KO, Young Jo , PARK, Hyeong Geun , CHANG, Kap Seok , YI, Hyo Seok , KIM, Young-Hoon , BANG, Seung Chan , LEE, Kyoung Joon
发明人： KIM, Il Gyu , KO, Young Jo , PARK, Hyeong Geun , CHANG, Kap Seok , YI, Hyo Seok , KIM, Young-Hoon , BANG, Seung Chan , LEE, Kyoung Joon
IPC分类号： H04L29/02
摘要： The present invention relates to a method of generating a downlink frame. The method of generating the downlink frame includes generating a first sequence and a second sequence for identifying cell groups; generating a first scrambling sequence and a second scrambling sequence that are one-to-two mapped to the sequence number of the primary synchronization signal; scrambling the first sequence with the first scrambling sequence and scrambling the second sequence with the second scrambling sequence; and generating a secondary synchronization signal including the scrambled first sequence and second sequence and mapping the secondary synchronization signal to a frequency domain.

5. 发明申请

WO2009008680A2 METHOD FOR GENERATING DOWNLINK FRAME, AND METHOD FOR SEARCHING CELL 审中-公开
标题翻译：产生下行链路帧的方法和搜索小区的方法
公开(公告)号：WO2009008680A2
公开(公告)日：2009-01-15
申请号：PCT/KR2008/004095
申请日：2008-07-11
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , CHANG, Kap Seok , KIM, Il Gyu , PARK, Hyeong Geun , KO, Young Jo , YI, Hyo Seok , LEE, Moon Sik , KIM, Young Hoon , BANG, Seung Chan
发明人： CHANG, Kap Seok , KIM, Il Gyu , PARK, Hyeong Geun , KO, Young Jo , YI, Hyo Seok , LEE, Moon Sik , KIM, Young Hoon , BANG, Seung Chan
IPC分类号： H04B7/26 , H04L12/28
CPC分类号： H04W56/00 , H04J11/0069 , H04J11/0076 , H04L25/03866 , H04L27/2613 , H04L27/2655 , H04L27/2656 , H04L27/2657 , H04L27/2662
摘要： The present invention relates to a method for generating a downlink frame includes: generating a first short sequence and a second short sequence indicating cell group information; generating a first scrambling sequence determined by a first synchronization signal; generating a second scrambling sequence determined by a group to which the first short sequence belongs, the wireless communication system using a plurality of short sequences and the plurality of short sequence being divided into a plurality of groups; scrambling the first short sequence with the first scrambling sequence; scrambling the second short sequence with the second scrambling sequence; and mapping a second synchronization signal including the scrambled first short sequence and the scrambled second short sequence in the frequency domain.
摘要翻译：本发明涉及一种用于生成下行链路帧的方法，包括：生成指示小区组信息的第一短序列和第二短序列; 产生由第一同步信号确定的第一加扰序列; 生成由所述第一短序列所属的组确定的第二加扰序列，所述无线通信系统使用多个短序列并且所述多个短序列被划分为多个组; 用第一加扰序列加扰第一短序列; 用第二加扰序列加扰第二短序列; 并且在频域中映射包括加扰的第一短序列和加扰的第二短序列的第二同步信号。

6. 发明申请

WO2008084938A1 A METHOD OF REPORTING MEASUREMENT INFORMATION IN PACKET BASED CELLULAR SYSTEM 审中-公开
标题翻译：基于分组的细胞系统报告测量信息的方法
公开(公告)号：WO2008084938A1
公开(公告)日：2008-07-17
申请号：PCT/KR2008/000033
申请日：2008-01-03
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KIM, Jae-Heung , KIM, Jung-Im , LEE, Kyoung-Seok , RYU, Byung-Han , BANG, Seung-Chan
发明人： KIM, Jae-Heung , KIM, Jung-Im , LEE, Kyoung-Seok , RYU, Byung-Han , BANG, Seung-Chan
IPC分类号： H04B17/00
CPC分类号： H04W52/0216 , H04B17/309 , H04W24/00 , H04W36/00 , H04W72/0413 , H04W76/28 , H04W88/08 , Y02D70/1262 , Y02D70/24 , Y02D70/25
摘要： Disclosed is a method for efficiently reporting measurement information required for handover in active- state terminals executing a power-saving operation in a packet-based communication system. The method includes the steps of : (a) receiving a discontinuous reception (DRX) period, a discontinuous transmission (DTX) period, and a measurement information report parameter that are decided by a base station; and (b) measuring channel quality according to a measurement information report period included in the measurement information report parameter, and reporting measurement information formed based on the measurement information report parameter by using radio resources allocated by the base station.
摘要翻译：公开了一种用于在基于分组的通信系统中有效地报告在执行省电操作的主动状态终端中切换所需的测量信息的方法。该方法包括以下步骤：（a）接收由基站决定的不连续接收（DRX）周期，不连续传输（DTX）周期和测量信息报告参数; 以及（b）根据包含在测量信息报告参数中的测量信息报告周期来测量信道质量，以及通过使用基站分配的无线资源来报告基于测量信息报告参数形成的测量信息。

7. 发明申请

WO2008048060A1 TDM BASED CELL SEARCH METHOD FOR OFDM SYSTEM 审中-公开
标题翻译：用于OFDM系统的基于TDM的小区搜索方法
公开(公告)号：WO2008048060A1
公开(公告)日：2008-04-24
申请号：PCT/KR2007/005113
申请日：2007-10-18
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KIM, Il-Gyu , PARK, Hyeong-Geun , KO, Young-Jo , CHANG, Kapseok , YI, Hyoseok , LEE, Jun-Hwan , KIM, Young-Hoon , BANG, Seung-Chan
发明人： KIM, Il-Gyu , PARK, Hyeong-Geun , KO, Young-Jo , CHANG, Kapseok , YI, Hyoseok , LEE, Jun-Hwan , KIM, Young-Hoon , BANG, Seung-Chan
IPC分类号： H04B7/26
CPC分类号： H04J11/0069 , H04L5/0007 , H04L5/0023 , H04L5/0048 , H04L25/0204 , H04L25/0226 , H04L25/0228 , H04L25/03866 , H04L27/261 , H04L27/2613 , H04L27/2656 , H04L27/2657 , H04L27/2675 , H04W56/0085 , Y02D70/00 , Y02D70/1262
摘要： Provided are a sync channel of a forward link, a common pilot channel structure, and an initial cell search method and an adjacent cell search method for handover in a cellular system using orthogonal frequency division multiplexing (OFDM). A cell search method in an OFDM cellular system in which a primary sync channel and a secondary sync channel are configured based on time division multiplexing (TDM) includes acquiring sync block synchronization and a primary sync channel sequence number using a primary sync channel symbol included in a frame received by a terminal, detecting a boundary of the frame and a scrambling code group using the sync block and a secondary sync channel symbol included in the frame received by the terminal, and acquiring a scrambling code using the primary sync channel sequence number and the scrambling code group, thereby reducing cell search time with low complexity.
摘要翻译：提供了使用正交频分复用（OFDM）的蜂窝系统中的前向链路，公共导频信道结构和初始小区搜索方法以及用于切换的相邻小区搜索方法的同步信道。基于时分复用（TDM）配置主同步信道和辅同步信道的OFDM蜂窝系统中的小区搜索方法包括：使用包括在主同步信道符号中的主同步信道符号来获取同步块同步和主同步信道序列号由终端接收的帧，检测帧的边界和使用同步块的扰码组和由终端接收的帧中包括的辅同步信道符号，以及使用主同步信道序列号获取扰码，并且扰码组，从而以低复杂度减少小区搜索时间。

8. 发明申请

WO2008044868A1 RECEIVER AND RECEIVING METHOD FOR SCALABLE BANDWIDTH 审中-公开
标题翻译：接收器和接收方法可扩展带宽
公开(公告)号：WO2008044868A1
公开(公告)日：2008-04-17
申请号：PCT/KR2007/004938
申请日：2007-10-10
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , LEE, Moon-Sik , KIM, Nam-Il , PARK, Hyeong-Geun , KIM, Il-Gyu , KIM, Young-Hoon , BANG, Seung-Chan
发明人： LEE, Moon-Sik , KIM, Nam-Il , PARK, Hyeong-Geun , KIM, Il-Gyu , KIM, Young-Hoon , BANG, Seung-Chan
IPC分类号： H04B1/10
CPC分类号： H04B1/28 , H04B1/001
摘要： Provided are a receiver and a receiving method for a scalable bandwidth in a mobile station of an Orthogonal Frequency Division Multiplexing (OFDM) system. The receiving method includes the steps of: (a) filtering a received RF signal; (b) oscillating a frequency according to a center frequency control signal to output a local oscillation frequency; (c) down-converting the filtered RF signal by using the local oscillation frequency; (d) scalable-filtering the down-converted signal while adjusting a bandwidth according to a bandwidth control signal; (e) controlling gain of the scalable-filtered signal; (f) converting the gain-controlled analog signal into a digital signal by using a sampling frequency matching with a corresponding bandwidth according to an ADC control signal; and (g) demodulating the converted digital signal, outputting the center frequency control signal, the bandwidth control signal, and the ADC control signal according to control information received from an upper layer.
摘要翻译：提供了一种用于正交频分复用（OFDM）系统的移动台中的可扩展带宽的接收机和接收方法。接收方法包括以下步骤：（a）对接收到的RF信号进行滤波; （b）根据中心频率控制信号振荡频率以输出本地振荡频率; （c）使用本地振荡频率对滤波的RF信号进行下变频; （d）在根据带宽控制信号调整带宽的同时可缩放滤波下变频信号; （e）控制所述可缩放滤波信号的增益; （f）通过使用根据ADC控制信号的与相应带宽匹配的采样频率将增益控制模拟信号转换成数字信号; 和（g）根据从上层接收到的控制信息解调转换的数字信号，输出中心频率控制信号，带宽控制信号和ADC控制信号。

9. 发明申请

WO2008026819A1 APPARATUS FOR GENERATING DOWN LINK SIGNAL, AND METHOD AND APPARATUS FOR CELL SEARCH IN CELLULAR SYSTEM 审中-公开
标题翻译：用于生成下行链路信号的装置，以及在细胞系统中细胞搜索的方法和装置
公开(公告)号：WO2008026819A1
公开(公告)日：2008-03-06
申请号：PCT/KR2007/002556
申请日：2007-05-25
申请人： Electronics and Telecommunications Research Institute , CHANG, Kap-Seok , KIM, Il-Gyu , KIM, Nam-Il , KIM, Young-Hoon , BANG, Seung-Chan
发明人： CHANG, Kap-Seok , KIM, Il-Gyu , KIM, Nam-Il , KIM, Young-Hoon , BANG, Seung-Chan
IPC分类号： H04L27/26
CPC分类号： H04L27/2656 , H04J11/0079 , H04L27/2613 , H04L27/2675
摘要： The invention provides a method of generating a downlink signal and searching a cell on the basis of the downlink signal in an OFDM-based cellular system. The downlink signal includes a plurality of synchronization blocks each having a plurality of sub-frames, and a synchronization pattern composed of a combination of a cell group identification code for identifying a cell group and a frame synchronization identification code for indicating a frame start point is generated in each of the synchronization blocks. Different frame synchronization identification codes are allocated to the synchronization blocks.
摘要翻译：本发明提供了一种在基于OFDM的蜂窝系统中基于下行链路信号产生下行链路信号和搜索小区的方法。下行链路信号包括多个具有多个子帧的同步块，并且由用于识别小区组的小区组识别码和用于指示帧起始点的帧同步识别码的组合构成的同步模式是在每个同步块中产生。不同的帧同步识别码被分配给同步块。

10. 发明申请

WO2007073116A1 METHOD FOR DEMODULATING BROADCAST CHANNEL BY USING SYNCHRONIZATION CHANNEL AT OFDM SYSTEM WITH TRANSMIT DIVERSITY AND TRANSMITTING/RECEIVING DEVICE THEREFOR 审中-公开
标题翻译：通过在OFDM系统中使用同步信道和发射/接收设备来解调广播信道的方法
公开(公告)号：WO2007073116A1
公开(公告)日：2007-06-28
申请号：PCT/KR2006/005657
申请日：2006-12-22
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KIM, Il-Gyu , PARK, Hyeong-Geun , KIM, Nam-Il , CHANG, Kap-Seok , LEE, Moon-Sik , KIM, Young-Hoon , BANG, Seung-Chan
发明人： KIM, Il-Gyu , PARK, Hyeong-Geun , KIM, Nam-Il , CHANG, Kap-Seok , LEE, Moon-Sik , KIM, Young-Hoon , BANG, Seung-Chan
IPC分类号： H04L27/26
CPC分类号： H04L27/2608 , H04B7/0606 , Y02D70/142 , Y02D70/444
摘要： The present invention relates to a method for demodulating a BCH by using an SCH in an OFDM system with transmit diversity, and a transmitting apparatus and a receiving apparatus using the same. For this purpose, the present invention provides a transmit diversity transmission method for a transmitting apparatus of a base station that generates an SCH symbol and a BCH symbol, maps the SCH symbol and the BCH symbol to an OFDM signal, converts the OFDM signal into a time domain signal, and transmits the OFDM signal trough a selected antenna among a plurality of antennas. In addition, the present invention provides a method for demodulating a BCH by using an SCH to a mobile station that receives an OFDM signal from the base station, filters an SCH and a BCH from the OFDM signal, converts the OFDM signal to a frequency domain signal, calculates a channel estimation value by using the SCH and the BCH, and coherently demodulates the BCH. According to the present invention, coherent demodulation of a BCH can reduce a frame error generation probability, minimize a channel estimation error due to fading, reduce time for checking the number of antennas of the base station and time for demodulating the BCH, and reduce power consumption.
摘要翻译：本发明涉及一种使用具有发射分集的OFDM系统中的SCH解调BCH的方法，以及使用该方法的发送装置和接收装置。为此，本发明提供一种用于生成SCH符号和BCH符号的基站的发送装置的发送分集发送方法，将SCH符号和BCH符号映射到OFDM信号，将OFDM信号变换为时域信号，并且通过多个天线中的所选天线发送OFDM信号。此外，本发明提供了一种通过使用SCH对从基站接收OFDM信号的SCH进行解调的BCH的方法，从OFDM信号对SCH和BCH进行滤波，将OFDM信号转换为频域信号，通过使用SCH和BCH来计算信道估计值，并相干地解调BCH。根据本发明，BCH的相干解调可以降低帧错误生成概率，使由于衰落引起的信道估计误差最小化，减少用于检查基站天线数量的时间和用于解调BCH的时间，并且降低功率消费。

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