公开(公告)号：US20120207103A1

公开(公告)日：2012-08-16

申请号：US13257773

申请日：2010-06-30

申请人： Bo Dai ,  Weijun Li ,  Guanghui Yu ,  Zhisong Zuo

发明人： Bo Dai ,  Weijun Li ,  Guanghui Yu ,  Zhisong Zuo

IPC分类号： H04W4/00

CPC分类号： H04W48/08 ,  H04L5/0053 ,  H04W88/08

摘要： The present invention discloses a method and a system for transmitting downlink control information, wherein when a base station is not configured with a carrier indicator field, the base station transmits a physical downlink control channel bearing the corresponding downlink control information on each downlink component carrier in a user equipment's physical downlink shared channel (PDSCH) carrier set, and the user equipment detects the corresponding downlink control information on each downlink component carrier in the configured PDSCH carrier set. When a base station is configured with a carrier indicator field, the base station transmits the physical downlink control channel bearing the corresponding downlink control information on each downlink component carrier in the configured physical downlink control channel (PDCCH) carrier set, and the user equipment detects the corresponding downlink control information on each downlink component carrier in the PDCCH carrier set.

摘要翻译： 本发明公开了一种发送下行链路控制信息的方法和系统，其中当基站未配置载波指示符字段时，基站在每个下行链路分量载波上发送携带相应下行链路控制信息的物理下行链路控制信道， 用户设备的物理下行链路共享信道（PDSCH）载波集合，并且用户设备在配置的PDSCH载波集合中检测关于每个下行链路分量载波的对应的下行链路控制信息。 当基站配置有载波指示符字段时，基站在配置的物理下行链路控制信道（PDCCH）载波集合中的每个下行链路分量载波上发送携带相应的下行链路控制信息的物理下行链路控制信道，并且用户设备检测 在PDCCH载波集合中的每个下行链路分量载波上的相应下行链路控制信息。

公开(公告)号：US20110059764A1

公开(公告)日：2011-03-10

申请号：US12991352

申请日：2009-07-01

申请人： Bo Dai ,  Peng Hao ,  Zhisong Zuo ,  Guanghui Yu ,  Jin Xu

发明人： Bo Dai ,  Peng Hao ,  Zhisong Zuo ,  Guanghui Yu ,  Jin Xu

IPC分类号： H04W52/04

CPC分类号： H04W52/325 ,  H04L1/0026 ,  H04L1/003 ,  H04W52/146 ,  H04W52/242 ,  H04W52/247 ,  H04W52/367

摘要： The present disclosure provides a transmission power control method for a physical uplink shared channel, including: when there is only uplink control information but no uplink shared channel data sent over the physical uplink shared channel, the transmission power of the physical uplink shared channel is set according to the total number of bits contained in a channel quality indication signaling and its corresponding cyclic redundancy check as well as an amplitude offset. The present disclosure also provides a transmission power control system for a physical uplink shared channel. The method and system described in the present disclosure can ensure the overall performance of a system.

摘要翻译： 本公开提供了一种用于物理上行链路共享信道的发射功率控制方法，包括：当仅存在上行链路控制信息，但没有通过物理上行链路共享信道发送的上行链路共享信道数据时，设置物理上行链路共享信道的传输功率 根据包含在信道质量指示信令中的位的总数及其对应的循环冗余校验以及振幅偏移。 本公开还提供了用于物理上行链路共享信道的发射功率控制系统。 本公开中描述的方法和系统可以确保系统的整体性能。

公开(公告)号：US09066307B2

公开(公告)日：2015-06-23

申请号：US13513127

申请日：2010-06-30

申请人： Bo Dai ,  Xin Wu ,  Ping Zeng ,  Zhisong Zuo

发明人： Bo Dai ,  Xin Wu ,  Ping Zeng ,  Zhisong Zuo

IPC分类号： H04W52/58 ,  H04W52/18 ,  H04W72/04 ,  H04W52/54 ,  H04W52/42 ,  H04W52/14 ,  H04W52/34

CPC分类号： H04W52/54 ,  H04W52/146 ,  H04W52/34 ,  H04W52/42

摘要： A method and an apparatus for transmitting uplink transmission power control information are disclosed. The method includes: transmitting uplink transmission power control information of all uplink component carriers allocated to a user equipment (UE) to the UE by one downlink component carrier. By adopting the above technical scheme, it is implemented that the uplink transmission power control information is transmitted in a carrier aggregation system.

摘要翻译： 公开了一种发送上行发送功率控制信息的方法和装置。 该方法包括：通过一个下行链路分量载波向UE分配给用户设备（UE）的所有上行链路分量载波的上行链路发送功率控制信息。 通过采用上述技术方案，实现了在载波聚合系统中发送上行发送功率控制信息。

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。

公开(公告)号：US08687579B2

公开(公告)日：2014-04-01

申请号：US13259980

申请日：2010-08-23

申请人： Xin Wu ,  Bo Dai ,  Ping Zeng ,  Zhisong Zuo

发明人： Xin Wu ,  Bo Dai ,  Ping Zeng ,  Zhisong Zuo

IPC分类号： H04W4/00

CPC分类号： H04L5/001 ,  H04L5/0053 ,  H04L5/0094 ,  H04W72/1289

摘要： The present invention discloses a method for detecting downlink control information, including: when scheduling across carriers is enabled, determining by user equipment (UE) user-specific search space monitoring a physical downlink control channel (PDCCH) according to component carrier indexes, wherein the component carrier indexes include component carrier indexes corresponding to various component carriers implementing scheduling across carrier and being scheduled across carriers. Also the present invention also provides an apparatus for detecting downlink control information, a user equipment and a network side device. The present invention solve the overlap problem of common search space and user-specific search space in Release 10 and solves the problem of determining a search space for the PDCCH in the situation of scheduling across carriers is enabled in Release 10.

摘要翻译： 本发明公开了一种检测下行链路控制信息的方法，包括：当跨载波进行调度时，由用户设备（UE）根据分量载波索引来确定用户特定的搜索空间监控物理下行链路控制信道（PDCCH），其中， 分量载波索引包括对应于各种分量载波的分量载波索引，其实现跨载波的调度并且跨载波调度。 此外，本发明还提供了一种用于检测下行链路控制信息的装置，用户设备和网络侧设备。 本发明解决了版本10中公用搜索空间和用户特定搜索空间的重叠问题，解决了在版本10中启用跨载波调度的情况下确定PDCCH的搜索空间的问题。

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。

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。

公开(公告)号：US20140376422A1

公开(公告)日：2014-12-25

申请号：US14357537

申请日：2011-12-13

申请人： Bo Dai ,  Yijian Chen ,  Xin Wu ,  Ruyue Li

发明人： Bo Dai ,  Yijian Chen ,  Xin Wu ,  Ruyue Li

IPC分类号： H04W72/04 ,  H04L5/14

CPC分类号： H04W72/042 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0053 ,  H04L5/0082 ,  H04L5/14 ,  H04W72/0446

摘要： A method and a system for processing downlink control information are disclosed, in which downlink control information for the subframe n may be transmitted in a subframe n or the downlink control information for the subframe n may be transmitted in a subframe n−1. By means of technology for processing control channel information provided by the disclosure, a region where the downlink control information is transmitted is added, and space division technology can be fully utilized, so that a load of a Physical Downlink Control Channel (PDCCH) is reduced, the interference between control channels is reduced, and the capacity of the control channel is enlarged.

摘要翻译： 公开了一种用于处理下行链路控制信息的方法和系统，其中可以在子帧n中发送用于子帧n的下行链路控制信息，或者可以在子帧n-1中发送用于子帧n的下行链路控制信息。 通过本公开提供的处理控制信道信息的技术，添加发送下行链路控制信息的区域，并且可以充分利用空分技术，从而降低物理下行链路控制信道（PDCCH）的负载 控制通道之间的干扰减小，控制通道的容量扩大。

公开(公告)号：US20120093122A1

公开(公告)日：2012-04-19

申请号：US13257854

申请日：2009-12-30

申请人： Bo Dai ,  Guanghui Yu ,  Weijun Li ,  Yijian Chen

发明人： Bo Dai ,  Guanghui Yu ,  Weijun Li ,  Yijian Chen

IPC分类号： H04W64/00 ,  H04W72/04

CPC分类号： H04L5/0048 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/0092

摘要： The present disclosure discloses a method and system for transmitting a position reference signal. Wherein the method includes: frequency domain positions for transmitting a position reference signal are n physical resource blocks, and the value of n is obtained according to signaling; time domain positions for transmitting the position reference signal are the remaining orthogonal frequency division multiplexing symbols in a subframe, except for orthogonal frequency division multiplexing symbols for transmitting a physical downlink control channel and orthogonal frequency division multiplexing symbols for transmitting a cell-specific reference signal; and the position reference signal is transmitted according to the frequency domain position and the time domain position. By adopting the method and the system of the present disclosure, the transmitting of the position reference signal is realized, and the positioning precision of a UE is ensured.

摘要翻译： 本公开公开了一种用于发送位置参考信号的方法和系统。 其中方法包括：用于发送位置参考信号的频域位置是n个物理资源块，并且根据信令获得n的值; 用于发送位置参考信号的时域位置是除了用于发送物理下行链路控制信道的正交频分复用符号和用于发送小区特定参考信号的正交频分复用符号之外的子帧中的剩余正交频分复用符号; 并且根据频域位置和时域位置发送位置参考信号。 通过采用本公开的方法和系统，实现了位置参考信号的发送，确保了UE的定位精度。

公开(公告)号：US09107087B2

公开(公告)日：2015-08-11

申请号：US13979381

申请日：2012-01-12

申请人： Ruyue Li ,  Yijian Chen ,  Jun Xu ,  Senbao Guo ,  Bo Dai ,  Yunfeng Sun ,  Junfeng Zhang

发明人： Ruyue Li ,  Yijian Chen ,  Jun Xu ,  Senbao Guo ,  Bo Dai ,  Yunfeng Sun ,  Junfeng Zhang

IPC分类号： H04L1/00 ,  H04W24/00 ,  H04L5/00 ,  H04L25/02 ,  H04L27/18 ,  H04L27/34

CPC分类号： H04W24/00 ,  H04B7/0417 ,  H04B7/0632 ,  H04L1/0026 ,  H04L1/20 ,  H04L1/206 ,  H04L5/0048 ,  H04L5/0057 ,  H04L25/0224 ,  H04L27/18 ,  H04L27/34

摘要： The disclosure provides a method and device for determining Channel quality indication information, which is configured to perform channel measurement based on a reference signal, so as to obtain a CQI information. The method considers the influence of multiple factors on CQI calculation, including selection of a measurement reference signal as well as the influence of multiple complex conditions on CQI calculation, thereby solving the problem that an existing system is unable to obtain accurate Channel quality indication information when using a transmission mode 9, and enhancing the flexibility and performance of the system.

摘要翻译： 本公开提供了一种用于确定信道质量指示信息的方法和装置，其被配置为基于参考信号执行信道测量，以便获得CQI信息。 该方法考虑了多个因素对CQI计算的影响，包括测量参考信号的选择以及多个复杂条件对CQI计算的影响，从而解决了现有系统无法获得准确的信道质量指示信息的问题， 使用传输模式9，并提高系统的灵活性和性能。