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1. 发明授权

EP2523413B1 APPARATUS FOR GENERATING ORTHOGONAL MASK, AND APPARATUS AND METHOD FOR GENERATING DEMODULATION REFERENCE SIGNAL 有权
标题翻译：用于生成正交掩模的设备以及用于生成解调参考信号的装置和方法
公开(公告)号：EP2523413B1
公开(公告)日：2018-04-04
申请号：EP10841887.2
申请日：2010-01-08
申请人： Fujitsu Limited
发明人： WANG, Yi , ZHANG, Yuantao , ZHOU, Hua , WU, Jianming
IPC分类号： H04L27/26 , H04L5/00 , H04J13/12 , H04J13/18
CPC分类号： H04J13/18 , H04B1/707 , H04B2201/707 , H04J13/004 , H04J13/0062 , H04J13/12 , H04J13/14 , H04L5/0016 , H04L5/0048 , H04L5/0051 , H04L27/2613
摘要： The present invention relates to orthogonal cover code generating apparatus, demodulation reference signal generating apparatus, and methods thereof. The demodulation reference signal generator comprises a non-correlation sequence generator configured to generate a non-correlation sequence for pilot of a first resource block; a first spectrum spreading unit configured to spread spectrums of elements in the non-correlation sequence for pilot to be mapped to a first frequency resource of the first resource block, by using a first group of Orthogonal Cover Codes (OCCs); a second spectrum spreading unit configured to spread spectrums of elements in the non-correlation sequence for pilot to be mapped to a second frequency resource of the first resource block, by using a second group of OCCs; the first and second frequency resources are adjacent frequency resources with respect to a first group of data streams, and the first and second groups of OCCs are mirrors in column to each other; and a mapping unit configured to map the spectrum-spread elements to the first and second frequency resources, respectively. The methods and apparatuses according to the present invention can enhance pilot randomization, remove the problem of pilot transmission power imbalance, and satisfy the requirement on orthogonality at the two dimensions of both time and frequency.

2. 发明公开

EP3060009A1 POWER CONTROL METHOD AND TERMINAL EQUIPMENT 有权
标题翻译：功率控制方法和终端设备
公开(公告)号：EP3060009A1
公开(公告)日：2016-08-24
申请号：EP16163599.0
申请日：2011-07-29
申请人： FUJITSU LIMITED
发明人： XU, Haibo , WANG, Yi
IPC分类号： H04W52/00 , H04W52/34
CPC分类号： H04W52/367 , H04W52/146 , H04W52/281 , H04W52/325 , H04W52/346 , H04W52/50 , H04W74/0833 , Y02D70/00
摘要： Embodiments of the present invention provide a user equipment. Wherein, the user equipment comprises: a first determining unit configured to determine whether the user equipment needs to transmit a PRACH signal in a secondary serving cell in parallel with SRS signal transmission in a same orthogonal frequency division multiplexing symbol of a different serving cell; a first processing unit configured to drop the SRS signal when a determination result of the first determining unit is positive, and if total transmission power exceeds maximum output power of the user equipment; a second determining unit configured to determine whether the user equipment needs to transmit a PRACH signal in a secondary serving cell and transmit a physical uplink channel signal in other serving cell(s) within the same subframe; and a second processing unit configured to adjust transmission power of the physical uplink channel signal until an adjusted total transmission power is less than or equal to the maximum output power of the user equipment.
摘要翻译：本发明的实施例提供了一种用户设备。其中，所述用户设备包括：第一确定单元，用于确定所述用户设备是否需要在辅服务小区中与SRS信号传输并行地在不同服务小区的同一个正交频分复用符号上传输PRACH信号; 第一处理单元，用于当所述第一确定单元的确定结果为肯定时，并且如果总发射功率超过所述用户设备的最大输出功率，则丢弃所述SRS信号; 第二确定单元，用于确定所述用户设备是否需要在辅服务小区中发送PRACH信号，并在同一子帧内的其他服务小区中发送物理上行信道信号; 以及第二处理单元，用于调整所述物理上行信道信号的发射功率，直到调整后的总发射功率小于或等于所述用户设备的最大输出功率。

3. 发明公开

EP2996272A1 INFORMATION FEEDBACK METHOD, USER EQUIPMENT, AND BASE STATION 审中-公开
标题翻译：信息反馈方法，用户设备和基站
公开(公告)号：EP2996272A1
公开(公告)日：2016-03-16
申请号：EP13884353.7
申请日：2013-05-10
申请人： Fujitsu Limited
发明人： ZHANG, Yi , ZHANG, Jian , SONG, Lei , WANG, Yi , ZHOU, Hua
IPC分类号： H04L1/00 , H04L1/18
CPC分类号： H04B7/0452 , H04B7/0417 , H04B7/0486 , H04B7/0626 , H04L1/0026 , H04L1/0028 , H04L1/1671 , H04L5/0057
摘要： Embodiments of the present disclosure provide a method for feeding back information, UE and base station. The method for feeding back information includes: the UE supports an aperiodic feedback mode 3-2; and when the number of bits of a CSI request is 1 and an aperiodic report is triggered, or when the number of bits of a CSI request is 2 and an aperiodic report of one cell is triggered, a maximum number of physical resource blocks used for feedback by the UE is one of 5-8. With the embodiments of the present disclosure, information feedback under MIMO may be enhanced, and a technical solution for information feedback may be further optimized.

4. 发明公开

EP2802178A1 METHOD AND USER DEVICE FOR DISTRIBUTING LINK RESOURCES, METHOD AND BASE STATION FOR MULTIPLEXING TRANSMISSION 审中-公开
标题翻译：方法和用户设备技术分布的资源链接，方法与基站的多路传输
公开(公告)号：EP2802178A1
公开(公告)日：2014-11-12
申请号：EP12864465.5
申请日：2012-01-05
申请人： Fujitsu Limited
发明人： ZHANG, Jian , ZHANG, Yuantao , ZHANG, Yi , WANG, Yi , ZHOU, Hua
IPC分类号： H04W72/04
CPC分类号： H04W74/006 , H04L1/1861 , H04W72/04
摘要： Embodiments of the present application provide a method for linkage resource assignment, UE, a method for multiplexing transmission and an eNB. The method for linkage resource assignment includes: acquiring, by UE, a lowest PRB index assigned to a PUSCH, cyclic shift information of an uplink DM-RS, and an initial position of a physical resource occupied by uplink grant signaling; and calculating group identification and sequence identification of a PHICH or an ePHICH, according to the lowest PRB index of the PUSCH, the cyclic shift information of the uplink DM-RS, and the initial position of physical resource occupied by uplink grant signaling, so as to determine whether the PHICH or the ePHICH is assigned to the UE. With the embodiments of the present application, a collision of a PHICH or an ePHICH may be reduced.
摘要翻译：本申请的实施例提供用于连杆的资源分配，UE，用于复用传输和向eNB的方法的方法。进行联动资源分配的方法，包括：获取由所述UE，分配给PUSCH，上行链路DM-RS的循环移位的信息的最低PRB索引，并且通过上行授权信令占用的物理资源的initialPosition; 并计算组识别和PHICH的或ePHICH的序列标识，雅丁给PUSCH，上行链路DM-RS的循环移位的信息的最低PRB索引和物理资源的由上行授权信令占用的初始位置，如确定性矿是否PHICH或ePHICH的被分配给UE。与本申请的实施例中，PHICH或ePHICH的碰撞可被减少。

5. 发明公开

EP2800432A1 MAPPING METHOD AND DEVICE FOR SEARCH SPACE OF DOWNLINK CONTROL CHANNEL 有权
标题翻译： ABBILDUNGSVERFAHREN UND -VORRICHTUNGFÜREINEN SUCHRAUM EINES DOWNLINK-STEUERKANALS
公开(公告)号：EP2800432A1
公开(公告)日：2014-11-05
申请号：EP11878932.0
申请日：2011-12-28
申请人： Fujitsu Limited
发明人： WANG, Yi , ZHANG, Yuantao , ZHOU, Hua
IPC分类号： H04W72/04
CPC分类号： H04W72/042 , H04L1/0038 , H04L5/0007 , H04L5/0053 , H04L5/0058
摘要： Embodiments of the present invention provide a mapping method and apparatus for a search space of a physical downlink control channel. The method includes: determining a search space allocated to the PDCCH according to a resource allocation scheme; and mapping each of candidates of the PDCCH to a logic time frequency resource of the search space according to a predefined interval. With the method and apparatus of the embodiments of the present invention, a frequency selective scheduling gain is obtained by mapping different candidates onto discrete time frequency resources, or a frequency diversity gain is obtained by mapping one candidate onto discrete time frequency resources, thereby improving the performance of the PDCCH.
摘要翻译：本发明的实施例提供了一种用于物理下行链路控制信道的搜索空间的映射方法和装置。该方法包括：根据资源分配方案确定分配给PDCCH的搜索空间; 以及根据预定义的间隔将PDCCH的每个候选映射到搜索空间的逻辑时间频率资源。利用本发明的实施例的方法和装置，通过将不同候选映射到离散时间频率资源上获得频率选择性调度增益，或者通过将一个候选映射到离散时间频率资源上来获得频率分集增益，从而改善 PDCCH的性能。

6. 发明公开

EP2744277A1 UPLINK POWER CONTROL METHOD AND DEVICE 审中-公开
标题翻译：上行功率控制方法和装置
公开(公告)号：EP2744277A1
公开(公告)日：2014-06-18
申请号：EP11871052.4
申请日：2011-08-12
申请人： Fujitsu Limited
发明人： XU, Yueqiao , ZHANG, Yi , WANG, Yi , ZHANG, Yuantao , ZHOU, Hua
IPC分类号： H04W52/04
CPC分类号： H04W52/146 , H04L5/0073 , H04L25/0224 , H04W52/242 , H04W52/244 , H04W52/325 , H04W52/40
摘要： Embodiments of the present invention provide a method and apparatus for uplink power control. The method includes: transmitting, by user equipment, a sounding reference signal (SRS) to a network side according to a received triggering signal; receiving, by the user equipment, a path loss compensation value calculated based on the SRS and transmitted by the network side; estimating, by the user equipment, a path loss value according to a received cell-specific reference signal (CRS); and performing, by the user equipment, power compensation according to the path loss compensation value and the path loss value. In the present invention, on the basis of the original uplink power control performed according to the path loss estimated based on the downlink CRSs, the network side estimates the path loss compensation value of the UE by triggering the RRH UE to transmit aperiodic SRSs, and informs the UE in a semi-static manner, thereby compensating for the inaccuracy of estimation of path loss and ensuring the efficiency of power control.
摘要翻译：本发明的实施例提供了用于上行链路功率控制的方法和设备。该方法包括：用户设备根据接收到的触发信号向网络侧发送探测参考信号SRS; 所述用户设备接收网络侧发送的基于所述SRS计算得到的路径损耗补偿值; 所述用户设备根据接收到的小区特定参考信号CRS估计路径损耗值; 所述用户设备根据所述路径损耗补偿值和所述路径损耗值进行功率补偿。在本发明中，网络侧根据基于下行CRS估计的路径损耗进行原始上行功率控制，通过触发RRH UE发送非周期SRS来估计UE的路径损耗补偿值，以半静态方式通知UE，从而补偿了路径损耗估计的不准确性，保证了功率控制的效率。

7. 发明公开

EP2706791A1 METHOD, USER EQUIPMENT AND BASE STATION FOR COMPENSATING POWER 审中-公开
标题翻译： VERFAHREN，BENUTZERGERÄTUND BASISSTATION ZUR LEISTUNGSKOMPENSATION
公开(公告)号：EP2706791A1
公开(公告)日：2014-03-12
申请号：EP11864761.9
申请日：2011-05-05
申请人： Fujitsu Limited
发明人： LI, Hongchao , ZHANG, Yuantao , WANG, Yi , ZHOU, Hua , WU, Jianming
IPC分类号： H04W52/00 , H04B7/26
CPC分类号： H04W52/143 , H04B7/024 , H04B7/086 , H04W52/242 , H04W52/40
摘要： Embodiments of the present invention provide a power compensating method, user equipment and base station. The method comprises: receiving by the base station a pathloss value reported by the user equipment, or calculating the pathloss value according to a reference signal receiving power value reported by the user equipment; and compensating for power according to the pathloss value. With the embodiments of the present invention, power of signals may be compensated, and the power of the receiving side is made identical in uplink or downlink transmission, thereby multiplexing a transmission mode based on a codebook.
摘要翻译：本发明的实施例提供一种功率补偿方法，用户设备和基站。该方法包括：由基站接收用户设备报告的路径损耗值，或者根据用户设备报告的参考信号接收功率值计算路径损耗值; 并根据路径损耗值补偿功率。利用本发明的实施例，可以补偿信号的功率，并且在上行链路或下行链路传输中使接收侧的功率相同，由此复用基于码本的传输模式。

8. 发明公开

EP2658331A1 RESOURCE ALLOCATION METHOD, CHANNEL STATE INFORMATION TRANSMISSION METHOD, BASE STATION AND USER EQUIPMENT 有权
标题翻译：资源分配方法，信道状态信息的传输方法，基站和用户设备
公开(公告)号：EP2658331A1
公开(公告)日：2013-10-30
申请号：EP10861134.4
申请日：2010-12-22
申请人： Fujitsu Limited
发明人： WANG, Yi , ZHOU, Hua , WU, Jianming
IPC分类号： H04W72/12
CPC分类号： H04W74/006 , H04B17/309 , H04L1/0027 , H04L1/1671 , H04L5/001 , H04L5/0053 , H04L5/0057 , H04W72/04 , H04W72/0413
摘要： A method for resource allocation, method for channel state information transmission, base station and user equipment. Wherein the method for resource allocation comprises: determining, by a base station, that it is necessary for a UE to report aperiodic CSI of relevant downlink CCs; and allocating, by the base station, corresponding resources to the UE according to the number of the relevant downlink CCs. The base station allocates corresponding resources to the UE in accordance with the number of relevant downlink CCs, resource allocation is flexible, and the transmission of UCI in case of multiple carriers is supported.

9. 发明公开

EP2482470A1 METHOD AND DEVICE FOR GENERATING PRE-CODING MATRIX CODEBOOK 审中-公开
标题翻译：用于生成预编码矩阵代码簿的方法和设备
公开(公告)号：EP2482470A1
公开(公告)日：2012-08-01
申请号：EP09849669.8
申请日：2009-09-25
申请人： Fujitsu Limited
发明人： WANG, Jian , WU, Jianming , WANG, Yi , ZHOU, Hua , TIAN, Jun
IPC分类号： H04B7/06
CPC分类号： H04B7/0426 , H04L25/03898
摘要： This disclosure relates a method and apparatus for generating pre-coding matrix codebook. The method for generating pre-coding matrix codebook, comprising: acquiring a universal set of pre-coding matrixes in a first format; acquiring a universal set of pre-coding matrixes in a second format; selecting a first predetermined number of pre-coding matrixes in the first format from the universal set of pre-coding matrixes in the first format; and selecting a second predetermined number of pre-coding matrixes in the second format from the universal set of pre-coding matrixes in the second format, according to the selected first predetermined number of pre-coding matrixes in the first format.
摘要翻译：本公开涉及用于生成预编码矩阵码本的方法和设备。用于生成预编码矩阵码本的方法，包括：获取第一格式的全集预编码矩阵; 以第二格式获取通用的一组预编码矩阵; 从第一格式的全集预编码矩阵中选择第一格式的第一预定数量的预编码矩阵; 根据所述第一格式中所选择的第一预定数量的预编码矩阵，从所述第二格式的所述全集预编码矩阵中选择所述第二格式的第二预定数量的预编码矩阵。

10. 发明授权

EP2744138B1 METHOD FOR REPORTING CHANNEL STATE INFORMATION, USER EQUIPMENT AND BASE STATION 有权
公开(公告)号：EP2744138B1
公开(公告)日：2018-12-05
申请号：EP11870722.3
申请日：2011-08-10
申请人： Fujitsu Limited
发明人： ZHANG, Yi , WANG, Yi , ZHANG, Yuantao , ZHOU, Hua
IPC分类号： H04L1/00 , H04L5/00
CPC分类号： H04L5/0035 , H04B7/0626 , H04B7/0647 , H04B17/24 , H04B17/309 , H04B17/373 , H04L1/0026 , H04L1/0027 , H04L5/0094 , H04L25/0204 , H04W24/10
摘要： Embodiments of the present invention provide a method for reporting channel state information, user equipment and base station. The method includes: receiving, by user equipment, an indication signaling transmitted by a base station, the indication signaling comprising identification information for triggering report of aperiodic channel state information; determining a measurement set of the report of the aperiodic channel state information according to the identification information; and reporting corresponding channel state information to the base station according to the measurement set. With the embodiments of the present invention, the needed aperiodic CSI may be quickly fed back, thereby achieving relatively flexible aperiodic report.

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