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21. 发明授权

US08693415B2 Method and apparatus for sending rank indication information, receiving method and apparatus thereof 有权
标题翻译：发送秩指示信息的方法和装置，其接收方法和装置
公开(公告)号：US08693415B2
公开(公告)日：2014-04-08
申请号：US12991262
申请日：2009-07-03
申请人： Bo Dai , Chunli Liang , Peng Hao , Shuqiang Xia , Guanghui Yu
发明人： Bo Dai , Chunli Liang , Peng Hao , Shuqiang Xia , Guanghui Yu
IPC分类号： H04W4/00 , H04L5/00 , H04W72/04
CPC分类号： H04L5/0053 , H04J13/0003 , H04L5/0023 , H04L5/0094 , H04L27/2613 , H04W72/04 , H04W72/0406 , H04W72/0413
摘要： The present invention discloses a method and an apparatus for sending rank indication (RI) information, and a method and an apparatus for receiving RI information, wherein the method for sending the RI information includes: carrying the RI information on a physical uplink control channel (PUCCH) for transmitting scheduling request (SR) information when the RI information and the SR information are sent within a same subframe, and sending the RI information and the SR information by using the PUCCH for transmitting SR information. According to the present invention, the problem that the orthogonality of codes between PUCCHs is destroyed due to that the RI information and the SR information are sent within a same subframe is solved, the overall system performance thereby can be guaranteed.
摘要翻译：本发明公开了一种用于发送秩指示（RI）信息的方法和装置，以及用于接收RI信息的方法和装置，其中发送RI信息的方法包括：在物理上行链路控制信道 PUCCH），用于在RI信息和SR信息在同一子帧内发送时发送调度请求（SR）信息，并且通过使用用于发送SR信息的PUCCH发送RI信息和SR信息。根据本发明，解决了在相同子帧内发送RI信息和SR信息之后，PUCCH之间的代码的正交性被破坏的问题，从而可以保证整个系统的性能。

22. 发明授权

US08369302B2 System and method for mapping reference signal sequence in advanced long term evolution system 有权
标题翻译：在高级长期演化系统中映射参考信号序列的系统和方法
公开(公告)号：US08369302B2
公开(公告)日：2013-02-05
申请号：US13257688
申请日：2010-03-15
申请人： Bo Dai , Xin Wu , Guanghui Yu , Zhisong Zuo
发明人： Bo Dai , Xin Wu , Guanghui Yu , Zhisong Zuo
IPC分类号： H04B7/208
CPC分类号： H04L5/0048 , H04L27/2602
摘要： The present invention provides a method and system for mapping a reference signal sequence in an advanced Long Term Evolution (LTE) system, and the method and the system are used to map the reference signal sequence to an orthogonal frequency division multiplexing symbol of l. The method includes: when the system uses a normal cyclic prefix, determining the symbol l according to an expression, and mapping the reference signal sequence to a location of a sub-carrier k on the symbol l of an antenna port p. The system includes: a mapping module, a first acquiring module and a second acquiring module. The system and the method which are provided ensure the transmission performance while ensuring the interference randomization. In addition, the system and the method are compatible with existing LTE systems, thus realizing high-order Multiple Input Multiple Output (MIMO) transmission, supporting the usage of the corresponding techniques.
摘要翻译：本发明提供了一种用于在高级长期演进（LTE）系统中映射参考信号序列的方法和系统，并且该方法和系统用于将参考信号序列映射到l的正交频分复用符号。该方法包括：当系统使用正常循环前缀时，根据表达式确定符号l，并将参考信号序列映射到天线端口p的符号l上的子载波k的位置。该系统包括：映射模块，第一获取模块和第二获取模块。提供的系统和方法确保了传输性能，同时确保干扰随机化。此外，该系统和方法与现有的LTE系统兼容，从而实现高阶多输入多输出（MIMO）传输，支持相应技术的使用。

23. 发明授权

US09247458B2 Method and a system for transmitting pilot 有权
公开(公告)号：US09247458B2
公开(公告)日：2016-01-26
申请号：US14003584
申请日：2011-08-01
申请人： Zhirong Lin , Shuqiang Xia , Guanghui Yu , Chunli Liang , Bo Dai , Peng Hao
发明人： Zhirong Lin , Shuqiang Xia , Guanghui Yu , Chunli Liang , Bo Dai , Peng Hao
IPC分类号： H04W28/12 , H04L5/00 , H04W28/06 , H04W48/08
摘要： The disclosure discloses a method for transmitting a pilot, which includes the step of: selectively transmitting or not transmitting a demodulation pilot in a subframe according to a setting, in a control signaling, of triggering or not triggering a demodulation pilot transmission in the subframe. A system for transmitting the pilot is further disclosed, which includes a pilot selectively transmitting unit configured to selectively transmit or not transmit a demodulation pilot in a subframe according to a setting, in a control signaling, of triggering or not triggering a demodulation pilot transmission in the subframe. The method and system of the disclosure are capable of reducing the pilot overhead and improving the capacity of the LTE/LTE-Advanced system.

24. 发明授权

US09025538B2 Method and system for transmitting downlink control information 有权
标题翻译：传输下行控制信息的方法和系统
公开(公告)号：US09025538B2
公开(公告)日：2015-05-05
申请号：US13257859
申请日：2009-12-29
申请人： Bo Dai , Xin Wu , Guanghui Yu , Weijun Li
发明人： Bo Dai , Xin Wu , Guanghui Yu , Weijun Li
IPC分类号： H04L1/00 , H04W28/04 , H04W48/08 , H04W48/16
CPC分类号： H04L1/0072 , H04W28/04 , H04W48/08 , H04W48/16
摘要： The present disclosure discloses a method and system for transmitting downlink control information, for solving the problem of how to indicate a transmission scheme when a cyclic redundancy check code in the downlink control channel is scrambled with the semi-persistently scheduled cell radio network temporary identifier. In order to support the bi-flow beam forming technology in the LTE-A R9, the present disclosure provides a downlink control information Format 1A, which may, when the cyclic redundancy check code in the downlink control channel is scrambled with the semi-persistently scheduled cell radio network temporary identifier, indicates a method for transmitting downlink control information, for example, single-layer transmission, transmit diversity, or a transmission scheme simultaneously involving single-layer transmission and transmit diversity, which guarantees flexibility of system schedule. The present disclosure adds no signaling overhead and has good adaptability with the LTE R8.
摘要翻译：本公开公开了一种用于发送下行链路控制信息的方法和系统，用于解决当下行链路控制信道中的循环冗余校验码被半持续调度的小区无线电网络临时标识符加扰时如何指示传输方案的问题。为了支持LTE-A R9中的双流波束形成技术，本公开提供了一种下行链路控制信息格式1A，其可以在下行链路控制信道中的循环冗余校验码被半持续地加扰表示用于发送下行链路控制信息的方法，例如单层传输，发送分集或同时涉及单层传输和发送分集的传输方案，其保证系统调度的灵活性。本公开不会增加信令开销，并且与LTE R8具有良好的适应性。

25. 发明授权

US09001707B2 Signal transmission method and frame structure adopted in a TDD system 有权
标题翻译： TDD系统中采用的信号传输方法和帧结构
公开(公告)号：US09001707B2
公开(公告)日：2015-04-07
申请号：US12674336
申请日：2008-10-23
申请人： Bo Dai , Shuqiang Xia , Peng Hao , Chunli Liang , Guanghui Yu , Liujun Hu , Bin Yu
发明人： Bo Dai , Shuqiang Xia , Peng Hao , Chunli Liang , Guanghui Yu , Liujun Hu , Bin Yu
IPC分类号： H04J3/00 , H04B7/26 , H04L27/26 , H04L27/28 , H04W48/12
CPC分类号： H04B7/2656 , H04L27/2602 , H04W48/12
摘要： A signal transmission method in a Time Division Duplex (TDD) system is disclosed. The method comprises following steps: within a time length of a half-frame of a radio frame, base station transmits signal on a downlink special time slot, thereafter does not transmit signal on a Guard Period (GP), and then receives signal on an uplink special time slot; all time lengths of other uplink or downlink normal time slots for transmitting signal are equal; the total time length of the downlink special time slot, the guard period and the uplink special time slot is integer times of the time length of an uplink or downlink normal time slot. In addition, a frame structure adopted in the TDD system which corresponds to the method is disclosed. The present invention makes it flexible to set the duration of the GP and it is guaranteed that, even if a synchronization signal adopts power promotion, it will not bring great interference to uplink reception of other base stations; in addition, the utilization efficiency of the system is improved.
摘要翻译：公开了时分双工（TDD）系统中的信号传输方法。该方法包括以下步骤：在无线帧的半帧的时间长度内，基站在下行专用时隙发送信号，之后不在保护周期（GP）上发送信号，然后在上行专用时隙; 用于发送信号的其他上行链路或下行链路正常时隙的所有时间长度相等; 下行专用时隙的总时间长度，保护周期和上行专用时隙是上行链路或下行链路正常时隙的时间长度的整数倍。另外，公开了对应于该方法的TDD系统采用的帧结构。本发明灵活设置GP的持续时间，并且保证即使同步信号采用功率提升，也不会对其他基站的上行接收带来很大的干扰; 此外，系统的利用效率得到提高。

26. 发明授权

US08879494B2 Method and system for non-periodic feedback in carrier aggregation scenario 有权
标题翻译：载波聚合方案中非周期反馈的方法和系统
公开(公告)号：US08879494B2
公开(公告)日：2014-11-04
申请号：US13638756
申请日：2010-08-19
申请人： Bo Dai , Xin Wu , Ping Zeng , Guanghui Yu , Zhisong Zuo
发明人： Bo Dai , Xin Wu , Ping Zeng , Guanghui Yu , Zhisong Zuo
IPC分类号： H04W4/00 , H04L12/26 , H04W72/04 , H04L5/00 , H04W24/10 , H04W28/06 , H04W48/08 , H04W72/00 , H04B7/06
CPC分类号： H04W72/042 , H04B7/0643 , H04L5/001 , H04L5/0094 , H04W24/10 , H04W28/06 , H04W48/08 , H04W72/00 , H04W72/04
摘要： The present invention discloses a method and a system for non-periodic feedback in a carrier aggregation scenario. The method comprises: a base station sending a non-periodic trigger signaling to a piece of User Equipment (UE); the UE receiving the non-periodic trigger signaling, and determining a Downlink Component Carrier (DL CC) requiring feedback according to the non-periodic trigger signaling; the UE triggering a non-periodic feedback of the determined DL CC. With the present invention, the problem that it is impossible to determine which downlink component carrier is to be fed back according to the non-periodic trigger signaling in the carrier aggregation scenario is solved, uplink feedback of the DL CC that is unnecessary to be fed back is effectively reduced, the base station can adjust resource allocation according to information fed back by the UE, and the performance of downlink data transmission is ensured.
摘要翻译：本发明公开了一种在载波聚合场景中的非周期性反馈的方法和系统。该方法包括：向一个用户设备（UE）发送非周期性触发信令的基站; 所述UE接收所述非周期性触发信令，以及根据所述非周期触发信令确定需要反馈的下行链路分量载波（DL CC）; UE触发所确定的DL CC的非周期反馈。利用本发明，解决了不可能根据载波聚合方案中的非周期性触发信令来确定哪个下行链路分量载波被反馈的问题，不需要馈送的DL CC的上行链路反馈后台有效减少，基站可以根据UE反馈的信息调整资源分配，确保下行数据传输的性能。

27. 发明授权

US08340037B2 Methods and apparatuses for generating and parsing continuous resource allocation signaling 有权
标题翻译：用于生成和解析连续资源分配信令的方法和装置
公开(公告)号：US08340037B2
公开(公告)日：2012-12-25
申请号：US12674677
申请日：2007-12-24
申请人： Bo Dai , Shuqiang Xia , Guanghui Yu
发明人： Bo Dai , Shuqiang Xia , Guanghui Yu
IPC分类号： H04W4/00 , H04J1/00 , H04L27/28 , H04B7/02 , H04B7/00
CPC分类号： H04L5/0094 , H04L5/0007 , H04L5/0039
摘要： A method for generating continuous resource allocation signaling comprises: a sender determines a value of the total number of resource blocks NRB in a system according to the total resource number in the system and determines, according to the amount and location of the total resources occupied by the continuous resources allocated to the target user equipment, the number of continuous resource blocks allocated to the user equipment LCRBs and the value of the index number of the starting resource block RBstart in the continuous resource blocks allocated to the user equipment; the sender compares LCRBs−1 with └NRB/2┘ to compute the value RIV of the resource allocation signaling of the user equipment; if the LCRBs−1 is greater than the └NRB/2┘, then the RIV is NRB(NRB−LCRBs+1)+(NRB−1−RBstart); else the RIV is NRB(LCRBs−1)+RBstart; and the resource allocation signaling of the target user equipment is generated according to RIV and transmitted. An apparatus for generating continuous resource allocation signaling, and a method and an apparatus for parsing continuous resource allocation signaling, are also disclosed. The present invention ensures that under any resource allocation situation the overhead for resource allocation signaling is always ceil ( log 2 ⁢ N · ( N + 1 ) 2 ) .
摘要翻译：一种用于生成连续资源分配信令的方法包括：发送方根据系统中的总资源数量确定系统中资源块总数NRB的值，并且根据系统占用的总资源的数量和位置确定分配给目标用户设备的连续资源，分配给用户设备LCRB的连续资源块的数量和分配给用户设备的连续资源块中起始资源块RBstart的索引号的值; 发送方将LCRB-1与└NRB/ 2'进行比较，以计算用户设备的资源分配信令的值RIV; 如果LCRBs-1大于└NRB/ 2“，那么RIV是NRB（NRB-LCRBs + 1）+（NRB-1-RBstart）; 否则RIV是NRB（LCRBs-1）+ RBstart; 目标用户设备的资源分配信令根据RIV生成并发送。还公开了一种用于生成连续资源分配信令的装置，以及用于解析连续资源分配信令的方法和装置。本发明确保在任何资源分配情况下资源分配信令的开销总是小于（log 2 N·（N + 1）2）。

28. 发明申请

US20120182974A1 System and Method for Mapping Reference Signal Sequence in Advanced Long Term Evolution System 有权
标题翻译：高级长期演进系统中参考信号序列映射的系统与方法
公开(公告)号：US20120182974A1
公开(公告)日：2012-07-19
申请号：US13257688
申请日：2010-03-15
申请人： Bo Dai , Xin Wu , Guanghui Yu , Zhisong Zuo
发明人： Bo Dai , Xin Wu , Guanghui Yu , Zhisong Zuo
IPC分类号： H04W72/04
CPC分类号： H04L5/0048 , H04L27/2602
摘要： The present invention provides a method and system for mapping a reference signal sequence in an advanced Long Term Evolution (LTE) system, and the method and the system are used to map the reference signal sequence to an orthogonal frequency division multiplexing symbol of l. The method includes: when the system uses a normal cyclic prefix, determining the symbol l according to an expression, and mapping the reference signal sequence to a location of a sub-carrier k on the symbol l of an antenna port p. The system includes: a mapping module, a first acquiring module and a second acquiring module. The system and the method which are provided ensure the transmission performance while ensuring the interference randomization. In addition, the system and the method are compatible with existing LTE systems, thus realizing high-order Multiple Input Multiple Output (MIMO) transmission, supporting the usage of the corresponding techniques.
摘要翻译：本发明提供了一种用于在高级长期演进（LTE）系统中映射参考信号序列的方法和系统，并且该方法和系统用于将参考信号序列映射到l的正交频分复用符号。该方法包括：当系统使用正常循环前缀时，根据表达式确定符号l，并将参考信号序列映射到天线端口p的符号l上的子载波k的位置。该系统包括：映射模块，第一获取模块和第二获取模块。提供的系统和方法确保了传输性能，同时确保干扰随机化。此外，该系统和方法与现有的LTE系统兼容，从而实现高阶多输入多输出（MIMO）传输，支持相应技术的使用。

29. 发明申请

US20110228729A1 A METHOD FOR MAPPING A PHYSICAL DOWNLINK CONTROL FORMAT INDICATOR CHANNEL TO PHYSICAL RESOURCES 有权
标题翻译：用于将物理下载控制格式指示器通道映射到物理资源的方法
公开(公告)号：US20110228729A1
公开(公告)日：2011-09-22
申请号：US12673452
申请日：2008-10-22
申请人： Bo Dai , Shuqiang Xia , Zhisong zuo , Guanghui Yu
发明人： Bo Dai , Shuqiang Xia , Zhisong zuo , Guanghui Yu
IPC分类号： H04W72/04
CPC分类号： H04L5/0073 , H04L5/0007 , H04L5/0053
摘要： A method for mapping a physical downlink control format indicator channel to physical resources includes the steps that 16 modulated data y(0), y(1), . . . , y(15) of a downlink control signaling indicator channel in an LTE system are divided into 4 groups in order and mapped by groups, which allows the downlink control format indicator channel to be mapped exactly to the continuous 4 resource elements recombined by resources which are divided among all system physical resources except the pilots according to such continuous 4 resource elements. By defining group mapping rules, this method can offer the maximum gain of frequency selectivity.
摘要翻译：将物理下行链路控制格式指示符信道映射到物理资源的方法包括以下步骤：16调制数据y（0），y（1），...。。。，LTE系统中的下行链路控制信令指示符信道的y（15）按顺序划分为4组，并且被组映射，这允许将下行链路控制格式指示符信道精确地映射到由资源重组的连续4个资源元素根据这种连续的4个资源元素，除了导频之外的所有系统物理资源之间划分。通过定义组映射规则，该方法可以提供频率选择性的最大增益。

30. 发明申请

US20110122830A1 METHODS AND APPARATUSES FOR GENERATING AND PARSING CONTINUOUS RESOURCE ALLOCATION SIGNALING 有权
标题翻译：生成和分配连续资源分配信号的方法和设备
公开(公告)号：US20110122830A1
公开(公告)日：2011-05-26
申请号：US12674677
申请日：2007-12-24
申请人： Bo Dai , Shuqiang Xia , Guanghui Yu
发明人： Bo Dai , Shuqiang Xia , Guanghui Yu
IPC分类号： H04W72/04
CPC分类号： H04L5/0094 , H04L5/0007 , H04L5/0039
摘要： A method for generating continuous resource allocation signaling comprises: a sender determines a value of the total number of resource blocks NRB in a system according to the total resource number in the system and determines, according to the amount and location of the total resources occupied by the continuous resources allocated to the target user equipment, the number of continuous resource blocks allocated to the user equipment LCRBs and the value of the index number of the starting resource block RBstart in the continuous resource blocks allocated to the user equipment; the sender compares LCRBs−1 with └NRB/2┘ to compute the value RIV of the resource allocation signaling of the user equipment; if the LCRBs−1 is greater than the └NRB/2┘, then the RIV is NRB(NRB−LCRBs+1)±(NRB−1−RBstart); else the RIV is NRB(LCRBs−1)+RBstart; and the resource allocation signaling of the target user equipment is generated according to RIV and transmitted. An apparatus for generating continuous resource allocation signaling, and a method and an apparatus for parsing continuous resource allocation signaling, are also disclosed. The present invention ensures that under any resource allocation situation the overhead for resource allocation signaling is always ceil ( log 2  N · ( N + 1 ) 2 ) .
摘要翻译：一种用于生成连续资源分配信令的方法包括：发送方根据系统中的总资源数量确定系统中资源块总数NRB的值，并且根据系统占用的总资源的数量和位置确定分配给目标用户设备的连续资源，分配给用户设备LCRB的连续资源块的数量和分配给用户设备的连续资源块中起始资源块RBstart的索引号的值; 发送方将LCRB-1与└NRB/ 2'进行比较，以计算用户设备的资源分配信令的值RIV; 如果LCRBs-1大于└NRB/ 2“，则RIV为NRB（NRB-LCRBs + 1）±（NRB-1-RBstart）; 否则RIV是NRB（LCRBs-1）+ RBstart; 目标用户设备的资源分配信令根据RIV生成并发送。还公开了一种用于生成连续资源分配信令的装置，以及用于解析连续资源分配信令的方法和装置。本发明确保在任何资源分配情况下，资源分配信令的开销总是小于（log 2 N·（N + 1）2）。

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