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    • 86. 发明申请
    • METHOD FOR TRANSMITTING PHYSICAL LAYER ID INFORMATION
    • 发送物理层识别信息的方法
    • US20110098070A1
    • 2011-04-28
    • US12999876
    • 2009-06-18
    • Seung Hee HanYeong Hyeon KwonDragan VujcicDong Cheol KimSung Ho MoonJin Sam KwakMin Seok NohHyun Woo Lee
    • Seung Hee HanYeong Hyeon KwonDragan VujcicDong Cheol KimSung Ho MoonJin Sam KwakMin Seok NohHyun Woo Lee
    • H04B7/00
    • H04J11/0079
    • A method for transmitting IDs of cells of a specific type as physical cell ID information in addition to existing cell ID information is disclosed. For transmission of the physical cell ID information, the number of cell IDs used in transmitting the existing cell ID information on a synchronization channel is increased or a part of existing cell IDs are reserved for transmitting the additional specific-cell ID information. If the number of cell IDs is to be increased, the number of cell ID groups related to a secondary synchronization channel is increased in a manner that removes ambiguity and collision, a cell ID related to a primary synchronization channel is added, which satisfies conjugate symmetry, information is transmitted based on a transmission timing relationship between a primary synchronization code and a secondary synchronization code, or a scrambling scheme is modified. When a part of the existing cell IDs are reserved, conjugate symmetry is also considered in relation to a primary synchronization channel and ambiguity and collision are also considered in relation to a secondary synchronization channel.
    • 公开了一种用于发送特定类型的小区的ID作为物理小区ID信息以及现有小区ID信息的方法。 为了传输物理小区ID信息,在同步信道上发送现有小区ID信息中使用的小区ID的数量增加,或者为了发送附加特定小区ID信息而保留现有小区ID的一部分。 如果要增加小区ID的数量,则以消除歧义和冲突的方式增加与次同步信道相关的小区ID组的数量,添加与主同步信道相关的小区ID,其满足共轭对称 基于主同步码和辅同步码之间的发送定时关系来发送信息,或修改扰频方案。 当现有小区ID的一部分被保留时,也考虑与主同步信道相关的共轭对称性,并且还考虑与次同步信道相关的模糊性和冲突。
    • 87. 发明申请
    • METHOD FOR TRANSMITTING SYNCHRONIZATION CHANNEL USING MULTI-ANTENNA
    • 使用多天线发送同步信道的方法
    • US20110090997A1
    • 2011-04-21
    • US12988302
    • 2009-04-17
    • Seung Hee HanYeong Hyeon KwonJin Sam KwakDong Cheol KimSung Ho MoonMin Seok NohHyun Woo LeeJin Soo Choi
    • Seung Hee HanYeong Hyeon KwonJin Sam KwakDong Cheol KimSung Ho MoonMin Seok NohHyun Woo LeeJin Soo Choi
    • H04L7/00
    • H04B7/0894H04B7/0667H04B7/0671H04B7/068H04L1/0606H04L1/0631H04L1/0643H04L5/0023H04L5/0048
    • A method for transmitting a synchronization channel using multi-antenna is disclosed. In a method for transmitting a synchronization channel for using a synchronization channel as a phase reference when decoding a broadcast channel, the method includes using a pre-decided shift value for each antenna, wherein the shift value is pre-decided with a user equipment, so as to apply circular shifts to sequences of the synchronization channel, and transmitting the sequences having the circular shifts applied thereto from a base station to the user equipment. Herein, space frequency/time block codes (SFBC/STBC) may be applied to the broadcast channel. In performing time/frequency domain synchronization in the synchronization channel, regardless of the number of transmission antennae used by the base station when transmitting signals, the synchronization process may be performed. Also, multi-antenna gain may be obtained when transmitting the synchronization channel. Furthermore, channel estimation may be performed for each antenna, and by applying transmission diversity methods to the BCH/control channel/data channel and so on, the performance of the present invention may also be enhanced.
    • 公开了一种使用多天线发送同步信道的方法。 在对广播频道进行解码的同步信道的同步信道的发送方法中,作为相位基准的方法,该方法包括对每个天线使用预定的移位值,其中,移位值由用户设备预先决定, 以便对同步信道的序列应用循环移位,并且将从基站向其发送的具有循环移位的序列发送给用户设备。 这里,空间频率/时间块码(SFBC / STBC)可以应用于广播频道。 在同步信道中执行时间/频域同步时,无论发射信号时基站使用的发射天线的数量如何,都可以执行同步处理。 此外,当发送同步信道时可以获得多天线增益。 此外,可以对每个天线执行信道估计,并且通过将传输分集方法应用于BCH /控制信道/数据信道等,也可以提高本发明的性能。