专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2013143132A1 METHOD AND APPARATUS FOR DYNAMIC DL-UL RECONFIGURATION IN TDD SYSTEM 审中-公开
标题翻译： TDD系统动态DL-UL重新配置的方法与装置
公开(公告)号：WO2013143132A1
公开(公告)日：2013-10-03
申请号：PCT/CN2012/073342
申请日：2012-03-30
申请人： NEC (CHINA) CO., LTD. , ZHU, Dalin , SUN, Zhennian , YI, Su , WANG, Gang , LEI, Ming
发明人： ZHU, Dalin , SUN, Zhennian , YI, Su , WANG, Gang , LEI, Ming
IPC分类号： H04W72/12
CPC分类号： H04L41/0816 , H04L5/14 , H04W24/02 , H04W28/18 , H04W72/0413 , H04W72/042 , H04W72/0486 , H04W72/087 , H04W88/08
摘要： Embodiments of the disclosure provide a method and apparatus for reconfiguring DL-UL resource allocation in a TDD system. The method includes steps of: a) obtaining traffic condition about DL and UL data to be transmitted; b) estimating system-wise transmission capability and/or UE-wise transmission capability, wherein the system-wise transmission capability accounts for DL transmission capability and UL transmission capability of the TDD system, and the UE-wise transmission capability accounts for transmission capabilities of different UEs; and c) reconfiguring the DL-UL resource allocation according to the obtained traffic condition and the estimated system-wise transmission capability and/or UE-wise transmission capability.
摘要翻译：本公开的实施例提供了一种用于在TDD系统中重新配置DL-UL资源分配的方法和装置。该方法包括以下步骤：a）获得关于要发送的DL和UL数据的交通状况; b）估计系统传输能力和/或UE智能传输能力，其中系统传输能力考虑到TDD系统的DL传输能力和UL传输能力，并且UE智能传输能力考虑到传输能力不同的UE; 以及c）根据获得的业务条件和估计的系统传输能力和/或UE智能传输能力重新配置DL-UL资源分配。

2. 发明申请

WO2013143114A1 METHOD AND APPARATUS FOR DYNAMICALLY ADJUSTING UPLINK-DOWNLINK CONFIGURATION 审中-公开
标题翻译：用于动态调整上下行链路配置的方法和装置
公开(公告)号：WO2013143114A1
公开(公告)日：2013-10-03
申请号：PCT/CN2012/073296
申请日：2012-03-30
申请人： NEC(CHINA) CO., LTD. , ZHU, Dalin , SUN, Zhennian , YI, Su , WANG, Gang , LEI, Ming
发明人： ZHU, Dalin , SUN, Zhennian , YI, Su , WANG, Gang , LEI, Ming
IPC分类号： H04W72/04
CPC分类号： H04W72/0486 , H04L5/14 , H04W72/0446
摘要： Embodiments of the disclosure provide a method and apparatus for dynamically adjusting UL-DL configuration. In the method according to embodiments of the present invention, downlink traffic load and uplink traffic load for transmission between a BS and a UE in a TDD system may be obtained, a UL-DL traffic load relation may be determined based on the downlink traffic load and the uplink traffic load and a UL-DL configuration may be selected based on the UL-DL traffic load relation.
摘要翻译：本公开的实施例提供了用于动态调整UL-DL配置的方法和装置。在根据本发明的实施例的方法中，可以获得用于TDD系统中的BS与UE之间的传输的下行业务负载和上行流量负载，可以基于下行业务负载来确定UL-DL业务负载关系并且可以基于UL-DL业务负载关系来选择上行链路业务负载和UL-DL配置。

3. 发明申请

WO2013143074A1 METHOD AND APPARATUS FOR REPORTING AND CANCELLING CROSS-SUBFRAME CO-CHANNEL INTERFERENCE 审中-公开
标题翻译：用于报告和取消交叉子帧同频干扰的方法和装置
公开(公告)号：WO2013143074A1
公开(公告)日：2013-10-03
申请号：PCT/CN2012/073146
申请日：2012-03-27
申请人： NEC(CHINA) CO., LTD. , ZHU, Dalin , SUN, Zhennian , ZHANG, Yu , WANG, Gang , LEI, Ming
发明人： ZHU, Dalin , SUN, Zhennian , ZHANG, Yu , WANG, Gang , LEI, Ming
IPC分类号： H04W72/04
CPC分类号： H04W72/085 , H04L1/0021 , H04L1/0026 , H04L1/20 , H04L5/0058 , H04W72/1226
摘要： Embodiments of the disclosure provide methods and apparatuses for cancelling cross-subframe co-channel interference (CCI), the method comprising receiving a channel quality indicator (CQI) of a cross-subframe from a user equipment (UE), the cross-subframe is a downlink subframe that is interfered by an uplink subframe in a neighboring cell; determining if the UE should be scheduled during cross-subframes by comparing the CQI with an adaptive threshold; and scheduling the UE during the cross-subframes if the UE is determined to be scheduled. By means of determining the resources scheduling based on an adaptive threshold, CCI may be cancelled and the overall resource usage will be increased according to the present invention. Furthermore, the adaptive threshold scheme can be easily implemented in practice.
摘要翻译：本公开的实施例提供了用于消除跨子帧同信道干扰（CCI）的方法和装置，该方法包括从用户设备（UE）接收跨子帧的信道质量指示符（CQI），跨子帧是被相邻小区中的上行链路子帧干扰的下行链路子帧; 通过将所述CQI与自适应阈值进行比较来确定是否应在跨子帧期间调度所述UE; 以及如果所述UE被确定为被调度，则在所述跨子帧期间调度所述UE。通过基于自适应阈值确定资源调度，可以取消CCI，并且根据本发明将增加总体资源使用。此外，自适应阈值方案可以在实践中容易地实现。

4. 发明申请

WO2013143075A1 METHOD AND APPARATUS FOR REPORTING AND CANCELLING CROSS-SUBFRAME CO-CHANNEL INTERFERENCE 审中-公开
标题翻译：用于报告和取消交叉子帧同频干扰的方法和装置
公开(公告)号：WO2013143075A1
公开(公告)日：2013-10-03
申请号：PCT/CN2012/073152
申请日：2012-03-27
申请人： NEC(CHINA) CO., LTD. , ZHU, Dalin , SUN, Zhennian , ZHANG, Yu , WANG, Gang , LEI, Ming
发明人： ZHU, Dalin , SUN, Zhennian , ZHANG, Yu , WANG, Gang , LEI, Ming
IPC分类号： H04L1/24
CPC分类号： H04B1/1027 , H04B2001/1045 , H04L1/0026 , H04L5/0044 , H04W24/08 , H04W72/1231
摘要： Embodiments of the disclosure provide methods and apparatuses for cancelling cross-subframe co-channel interference (CCI). The method comprising receiving a channel quality indicators (CQI) of a cross-subframe from user equipment (HE), wherein the cross-subframe is a downlink subframe that is interfered by an uplink subframe in a neighboring cell; determining if the UE should be scheduled during cross-subframes based on at least the CQI; scheduling the UE during the cross-subframes if the UE is determined to be scheduled. By means of measuring and reporting CQIs on cross-subframe at UEs, base stations may determine more accurately if interferences at the cross-subframes are severe enough and if resources should be scheduled at the cross-subframe.
摘要翻译：本公开的实施例提供了用于消除跨子帧同信道干扰（CCI）的方法和装置。所述方法包括从用户设备（HE）接收跨子帧的信道质量指示符（CQI），其中所述跨子帧是受邻近小区中的上行链路子帧干扰的下行链路子帧; 至少基于所述CQI，确定是否应该在跨子帧期间调度所述UE; 如果确定UE被调度，则在跨子帧期间调度UE。通过在UE的跨子帧上测量和报告CQI，如果跨子帧中的干扰足够严重且如果在跨子帧应该调度资源，则基站可以更准确地确定。

5. 发明申请

WO2012116487A1 METHOD AND APPARATUS FOR PREDICTING PRECODING MATRIX IN MIMO SYSTEM 审中-公开
标题翻译：用于预测MIMO系统中的预测矩阵的方法和装置
公开(公告)号：WO2012116487A1
公开(公告)日：2012-09-07
申请号：PCT/CN2011/071410
申请日：2011-02-28
申请人： NEC (CHINA) CO., LTD. , ZHANG, Yu , ZHU, Dalin , SUN, Zhennian , LEI, Ming
发明人： ZHANG, Yu , ZHU, Dalin , SUN, Zhennian , LEI, Ming
IPC分类号： H04L1/06
CPC分类号： H04B7/0456
摘要： Embodiments of the invention provide a method for predicting precoding matrix (PM) in a MIMO System. The method may comprise steps of: obtaining a present PM based on the present transmission; fitting the present PM and previous PMs with a predefined model; and determining a forthcoming PM which is expected to be used in the next transmission based on the fitting.
摘要翻译：本发明的实施例提供了一种用于预测MIMO系统中的预编码矩阵（PM）的方法。该方法可以包括以下步骤：基于当前传输获得当前PM; 使用预定义的模型拟合现有PM和以前的PM; 以及基于拟合来确定期望在下一次传输中使用的即将到来的PM。

6. 发明申请

WO2013020257A1 METHOD AND APPARATUS FOR INDICATING DOWNLINK CHANNEL MEASUREMENT AND METHOD AND APPARATUS PERFORMING DOWNLINK CHANNEL MEASUREMENT IN A RELAYING SYSTEM 审中-公开
标题翻译：用于指示下行链路信道测量的方法和装置以及在继电系统中执行下行链路信道测量的方法和装置
公开(公告)号：WO2013020257A1
公开(公告)日：2013-02-14
申请号：PCT/CN2011/078060
申请日：2011-08-05
申请人： NEC (CHINA) CO., LTD. , YI, Su , ZHANG, Yu , SUN, Zhennian , LEI, Ming
发明人： YI, Su , ZHANG, Yu , SUN, Zhennian , LEI, Ming
IPC分类号： H04W24/00
CPC分类号： H04W24/10
摘要： The present invention provides a method and apparatus for indicating downlink channel measurement and a method and apparatus for performing channel measurement. The method for indicating downlink channel measurement comprises: receiving information on interferes of a user equipment; generating, based on downlink subframe configuration information, a downlink channel measurement indication for each of possible combinations of the interferers, wherein the channel measurement indication is adapted to indicate a subframe group to be measured by a user equipment; and sending the downlink channel measurement indication to the user equipment so as to indicate the user equipment to perform corresponding downlink channel measurement. According to embodiments of the present invention, the subframe groups that are required to be measured by the user equipment may be determined with respect to possible combinations of interferers corresponding to different levels of interference. Thus, the user equipment may perform channel measurement for respective subframe groups. Therefore, the channel quality as determined in such way will be more accurate and reliable and better match the actual channel condition. Moreover, it also provides a possibility for the serving node to perform the scheduling more accurately and effectively.
摘要翻译：本发明提供一种用于指示下行链路信道测量的方法和装置以及用于执行信道测量的方法和装置。用于指示下行链路信道测量的方法包括：接收关于用户设备干扰的信息; 基于下行链路子帧配置信息生成针对干扰源的每个可能组合的下行链路信道测量指示，其中，所述信道测量指示适于指示要由用户设备测量的子帧组; 并向用户设备发送下行链路信道测量指示，以指示用户设备执行相应的下行链路信道测量。根据本发明的实施例，可以根据对应于不同干扰等级的干扰源的可能组合来确定需要由用户设备测量的子帧组。因此，用户设备可以对各个子帧组执行信道测量。因此，以这种方式确定的信道质量将更准确和可靠，并且更好地匹配实际信道条件。此外，它还为服务节点更准确有效地执行调度提供了可能性。

7. 发明申请

WO2012116486A1 METHOD AND APPARATUS FOR MODIFYING CHANNEL QUALITY INDICATION 审中-公开
标题翻译：修改渠道质量指标的方法和装置
公开(公告)号：WO2012116486A1
公开(公告)日：2012-09-07
申请号：PCT/CN2011/071408
申请日：2011-02-28
申请人： NEC (CHINA) CO., LTD. , WANG, Gang , ZHANG, Yu , SUN, Zhennian , LEI, Ming
发明人： WANG, Gang , ZHANG, Yu , SUN, Zhennian , LEI, Ming
IPC分类号： H04L1/24
CPC分类号： H04B7/0632 , H04B7/0617 , H04L1/0026 , H04L1/20
摘要： The present invention discloses a method and an apparatus for modifying a channel quality indication (CQI). This method may comprise: calculating a scaling factor for the channel quality indication based on uplink channel information and an antenna virtualization pre-coding scheme; and modifying the channel quality indication reported by user equipment by using the scaling factor. According to the technical solutions of the present invention, the antenna virtualization factor is considered in performing CQI modification and. Thus, this solution can overcome the problem of CQI mismatch, enhance the completeness and accuracy of CQI feedback, and improve the cell throughput performance and frequency utilization.
摘要翻译：本发明公开了一种用于修改信道质量指示（CQI）的方法和装置。该方法可以包括：基于上行链路信道信息和天线虚拟化预编码方案来计算信道质量指示的缩放因子; 并使用缩放因子修改用户设备报告的信道质量指示。根据本发明的技术方案，在进行CQI修改时考虑天线虚拟化因素。因此，该解决方案可以克服CQI失配问题，提高CQI反馈的完整性和准确性，提高小区吞吐量性能和频率利用率。

8. 发明申请

WO2013143099A1 METHOD AND APPARATUS FOR LINK ADAPTATION IN PRECODED MIMO SYSTEMS 审中-公开
标题翻译：用于预编码MIMO系统中链路适配的方法和装置
公开(公告)号：WO2013143099A1
公开(公告)日：2013-10-03
申请号：PCT/CN2012/073237
申请日：2012-03-29
申请人： NEC(CHINA) CO., LTD. , ZHANG, Yu , SUN, Zhennian , WANG, Gang , LEI, Ming
发明人： ZHANG, Yu , SUN, Zhennian , WANG, Gang , LEI, Ming
IPC分类号： H04L1/18 , H04W24/00
CPC分类号： H04L1/1861 , H04B7/0413 , H04B7/0417 , H04B7/0452 , H04B7/0632 , H04L1/0015 , H04L1/0025 , H04L1/0034 , H04L1/0035
摘要： Embodiments of the invention relate to methods and apparatus for link adaptation in a preceded MIMO system. According to one embodiment, there is provided a method for link adaptation in a precoded ΜIΜΟ system. The method comprises: receiving first channel quality information y CQI ; with respect to at least one layer r in a plurality of layers in a link; obtaining a Hybrid Automatic Repeat Request (HARQ) scaling factor μ r that is associated with a HARQ feedback; and interpreting the first channel quality information y CQI into second channel quality information ŷ r based on at least the HARQ scaling factor μ r , , wherein the second channel quality information ŷ r is for adapting the at least one layer r in the plurality of layers. According to another embodiment, there is provided an apparatus for link adaptation in a precoded ΜIΜΟ system.
摘要翻译：本发明的实施例涉及在先前MIMO系统中的链路自适应的方法和装置。根据一个实施例，提供了一种用于预编码的MuIMuOmicron系统中的链路自适应的方法。该方法包括：接收第一信道质量信息y CQI; 相对于链路中的多个层中的至少一个层r; 获得与HARQ反馈相关联的混合自动重传请求（HARQ）缩放因子mu r; 并且至少基于所述HARQ比例因子mu r i将所述第一信道质量信息y CQI解释为第二信道质量信息y r，其中所述第二信道质量信息y r用于适配所述多个层中的所述至少一个层r。根据另一个实施例，提供了一种用于在预编码的MuIMuOmicron系统中进行链路自适应的装置。

9. 发明申请

WO2013143069A1 METHOD AND APPARATUS FOR OUTER LOOP LINK ADAPTATION FOR A WIRELESS COMMUNICATION SYSTEM 审中-公开
标题翻译：用于无线通信系统的外部环路适配的方法和装置
公开(公告)号：WO2013143069A1
公开(公告)日：2013-10-03
申请号：PCT/CN2012/073118
申请日：2012-03-27
申请人： NEC (CHINA) CO., LTD. , GE, Qingwei , WANG, Gang , SUN, Zhennian , LEI, Ming
发明人： GE, Qingwei , WANG, Gang , SUN, Zhennian , LEI, Ming
IPC分类号： H04W52/26
CPC分类号： H04W24/02 , H04B7/0413 , H04B7/0452 , H04B7/0689 , H04L1/1867 , H04W72/082
摘要： The present invention relates to a method for link adaptation in a wireless communication system. The method comprises: determining whether a UE operates in a SU-MIMO transmission mode or in a MU-MIMO transmission mode; applying, in responsive to determination that the UE operates in the SU-MIMO transmission mode, a SU-MIMO OLLA offset to a signal to interference and noise ratio adjusted with inner loop link adaptation; applying, in responsive to determination that the UE operates in the MU-MIMO transmission mode, a MU-MIMO OLLA offset to a signal to interference and noise ratio adjusted with inner loop link adaptation, wherein the MU-MIMO OLLA offset is based on the SU-MIMO OLLA offset and an extra offset which is indicative of inter-user interference, wherein the SU-MIMO OLLA offset and the extra offset are updated in responsive to receipt of an ACK/NACK message for a packet reported from the UE.
摘要翻译：本发明涉及无线通信系统中的链路自适应的方法。该方法包括：确定UE是以SU-MIMO传输模式还是以MU-MIMO传输模式运行; 在响应于UE在SU-MIMO传输模式中操作的确定的情况下应用针对由内环路适配调整的信噪比和噪声比的SU-MIMO OLLA偏移; 在响应于确定UE在MU-MIMO传输模式中操作的应用中，将MIMO-MIMO OLLA偏移量应用于通过内环路链路自适应调整的信噪比和噪声比，其中MU-MIMO OLLA偏移基于 SU-MIMO OLLA偏移和指示用户间干扰的额外偏移，其中，响应于从UE报告的分组的ACK / NACK消息的接收，SU-MIMO OLLA偏移和额外偏移被更新。

10. 发明申请

WO2015042818A1 CLUSTERING METHOD AND APPARATUS FOR CROSS-SUBFRAME INTERFERENCE ELIMINATION AND TRAFFIC ADAPTATION AND COMMUNICATIONS MECHANISM BETWEEN BASEBAND UNITS 审中-公开
标题翻译：用于跨子帧干扰消除和交换适配的通信方法和装置以及基带单元之间的通信机制
公开(公告)号：WO2015042818A1
公开(公告)日：2015-04-02
申请号：PCT/CN2013/084288
申请日：2013-09-26
申请人： NEC (CHINA) CO., LTD.
发明人： ZHU, Dalin , SUN, Zhennian , CAO, Jianfei , LEI, Ming
IPC分类号： H04W16/10
CPC分类号： H04W16/10
摘要： Embodiments of the disclosure provide a method and apparatus for cross-subframe interference elimination in a dynamic TDD system. The method comprises: dividing a plurality of cells in the TDD system into a plurality of disjoint primary cell clusters based on an interference indication and a first threshold for the interference indication; performing, in each of the plurality of primary cell clusters, a time-domain resource allocation based on traffic conditions therein, so as to eliminate cross-subframe interference within each of the plurality of primary cell clusters; dividing cells in the plurality of primary cell clusters into a plurality of secondary cell clusters based on the interference indication and a second threshold therefor; and performing, in each of the plurality of secondary cell clusters, a frequency-domain resource allocation based on traffic conditions therein, so as to eliminate cross-subframe interference between different primary cell clusters in the plurality of primary cell clusters.
摘要翻译：本公开的实施例提供了用于动态TDD系统中的跨子帧干扰消除的方法和装置。该方法包括：基于干扰指示和干扰指示的第一阈值，将TDD系统中的多个小区划分成多个不相交的主小区簇; 在所述多个主小区集群中的每一个中，基于其中的业务条件执行时域资源分配，以消除所述多个主小区集群内的每一个中的跨子帧干扰; 基于干扰指示和第二阈值将多个主小区簇中的小区划分成多个二次小区簇; 并且在所述多个二次小区簇的每一个中，基于其中的业务条件执行频域资源分配，以便消除所述多个主小区簇中的不同主小区簇之间的跨子帧干扰。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式