公开(公告)号：US09030975B2

公开(公告)日：2015-05-12

申请号：US13702918

申请日：2010-12-20

申请人： Gang Wang ,  Zhennian Sun ,  Ming Lei

发明人： Gang Wang ,  Zhennian Sun ,  Ming Lei

IPC分类号： H04J1/00 ,  H04W72/08 ,  H04L5/00 ,  H04W72/12 ,  H04W72/04

CPC分类号： H04W72/085 ,  H04L5/0037 ,  H04W72/0453 ,  H04W72/1231

摘要： The present invention relates to method and apparatus for scheduling downlink transmission. According to an embodiment of the present invention, a method for scheduling downlink transmission in a wireless communication system is provided. The method comprises: scheduling, in a channel measurement sub-frame, user equipments in a cell according to feedback information that was most recently received from the user equipments, wherein in the channel measurement sub-frame, the user equipments calculate feedback information to be reported; and scheduling, in response to receipt of the feedback information, the user equipments based on a result of scheduling corresponding to the channel measurement sub-frame. According to an embodiment of the present invention, there is also provided a scheduling apparatus, base station device and corresponding computer program product.

摘要翻译： 本发明涉及用于调度下行链路传输的方法和装置。 根据本发明的实施例，提供了一种用于在无线通信系统中调度下行链路传输的方法。 该方法包括：根据最近从用户设备接收的反馈信息，在信道测量子帧中调度小区中的用户设备，其中在信道测量子帧中，用户设备计算反馈信息为 报道 以及响应于所述反馈信息的接收，基于与所述信道测量子帧相对应的调度结果来调度所述用户设备。 根据本发明的实施例，还提供了一种调度装置，基站装置和相应的计算机程序产品。

公开(公告)号：US20150110013A1

公开(公告)日：2015-04-23

申请号：US14345125

申请日：2012-03-29

申请人： Yu Zhang ,  Zhennian Sun ,  Gang Wang ,  Ming Lei

发明人： Yu Zhang ,  Zhennian Sun ,  Gang Wang ,  Ming Lei

IPC分类号： H04L1/18 ,  H04B7/04

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 MIMO system. The method comprises: receiving first channel quality information γCQI; 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 μr that is associated with a HARQ feedback; and interpreting the first channel quality information γCQI into second channel quality information {circumflex over (γ)}r based on at least the HARQ scaling factor μr, wherein the second channel quality information {circumflex over (γ)}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 MIMO 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MIMO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γCQI; 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μr; 并且基于至少所述HARQ缩放因子μr将所述第一信道质量信息γCQI解释为第二信道质量信息{circumflex over（γ）} r，其中，所述第二信道质量信息{r（r） 多个层中的至少一层r。 根据另一实施例，提供了一种用于预编码MIMO系统中的链路自适应的装置。

公开(公告)号：US20140378150A1

公开(公告)日：2014-12-25

申请号：US14345071

申请日：2012-03-16

申请人： Chaofeng Li ,  Ming Lei

发明人： Chaofeng Li ,  Ming Lei

IPC分类号： H04W52/30 ,  H04W24/08 ,  H04W72/08 ,  H04W76/02

CPC分类号： H04W52/30 ,  H04W24/08 ,  H04W52/243 ,  H04W52/262 ,  H04W52/367 ,  H04W52/46 ,  H04W72/085 ,  H04W76/14

摘要： Embodiments of the disclosure provide methods and apparatuses for performing D2D communication in a communication system. The communication system at least comprises a BS and a UE in cellular communication with the BS, and wherein the D2D communication is performed between a D2D transmitter and a D2D receiver and interferes with the cellular communication. A method according to the disclosure may comprise steps of: obtaining MCS information on the cellular communication between the BS and the UE; and determining a transmitting power for the D2D communication based on the MCS information, so as to reduce the interference from the D2D communication to the cellular communication.

摘要翻译： 本公开的实施例提供了用于在通信系统中执行D2D通信的方法和装置。 所述通信系统至少包括与所述BS进行蜂窝通信的BS和UE，并且其中在D2D发射机和D2D接收机之间执行所述D2D通信并干扰所述蜂窝通信。 根据本公开的方法可以包括以下步骤：获得关于BS与UE之间的蜂窝通信的MCS信息; 以及基于所述MCS信息确定所述D2D通信的发送功率，以便减少从所述D2D通信到所述蜂窝通信的干扰。

公开(公告)号：US20140206185A1

公开(公告)日：2014-07-24

申请号：US13976006

申请日：2011-12-21

申请人： Ming Lei ,  Edward A. Zarbock

发明人： Ming Lei ,  Edward A. Zarbock

IPC分类号： H01L23/00

CPC分类号： H01L24/11 ,  H01L21/4853 ,  H01L23/49816 ,  H01L2224/11334 ,  H01L2224/1147 ,  H01L2224/11849 ,  H01L2224/12105 ,  H01L2224/131 ,  H01L2924/10253 ,  H01L2924/12042 ,  H01L2924/014 ,  H01L2924/00

摘要： A photo-patternable polymer film is deposited on a substrate, wherein the substrate includes metal pads. Ultraviolet light is transmitted through a photomask on the deposited photopatternable polymer film to generate cavities in Depositing a film on a substrate, wherein the substrate includes metal pads the deposited polymer film and expose the metal pads. The substrate is developed and rinsed, and then flux is applied on the surface of the substrate. Balls are placed in the generated cavities. A reflow process is performed to form bumps and remove flux, subsequent to the placing of the balls in the generated cavities. Plasma cleaning is performed to remove the photo-patternable film.

摘要翻译： 光刻图案的聚合物膜沉积在基底上，其中基底包括金属垫。 紫外光通过光刻掩模在沉积的光图案化聚合物膜上透射以产生在衬底上沉积膜的空腔，其中衬底包括金属焊盘，沉积聚合物膜并暴露金属焊盘。 将基底显影和冲洗，然后将通量施加在基底的表面上。 球被放置在所产生的空腔中。 在将球放置在所产生的空腔中之后，进行回流处理以形成凸起并去除焊剂。 进行等离子体清洁以除去可光图案的膜。

公开(公告)号：US20140192704A1

公开(公告)日：2014-07-10

申请号：US13879320

申请日：2011-08-05

申请人： Su Yi ,  Yu Zhang ,  Zhennian Sun ,  Ming Lei

发明人： Su Yi ,  Yu Zhang ,  Zhennian Sun ,  Ming Lei

IPC分类号： H04W24/10

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。

公开(公告)号：US20130343481A1

公开(公告)日：2013-12-26

申请号：US13996376

申请日：2011-02-28

申请人： Yu Zhang ,  Dalin Zhu ,  Zhennian Sun ,  Ming Lei

发明人： Yu Zhang ,  Dalin Zhu ,  Zhennian Sun ,  Ming Lei

IPC分类号： H04B7/04

CPC分类号： H04B7/0456

摘要： A method for predicting precoding matrix (PM) in a MIMO System includes the steps of: obtaining a present PM based on a 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： 一种用于预测MIMO系统中的预编码矩阵（PM）的方法包括以下步骤：基于当前传输获得当前PM; 使用预定义的模型拟合现有的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。

公开(公告)号：US20130265960A1

公开(公告)日：2013-10-10

申请号：US13879341

申请日：2011-02-28

申请人： Gang Wang ,  Yu Zhang ,  Zhennian Sun ,  Ming Lei

发明人： Gang Wang ,  Yu Zhang ,  Zhennian Sun ,  Ming Lei

IPC分类号： H04B7/06

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。

公开(公告)号：US20130235835A1

公开(公告)日：2013-09-12

申请号：US13879242

申请日：2011-02-28

申请人： Gang Wang ,  Ming Lei

发明人： Gang Wang ,  Ming Lei

IPC分类号： H04B7/04

CPC分类号： H04B7/0417 ,  H04B7/0626 ,  H04L1/0026 ,  H04L5/0057 ,  H04L5/0091 ,  H04W24/10

摘要： The present invention discloses a method and apparatus of performing outer loop link adaptation (OLLA) operation. This method may comprise: accelerating in an initial probing phase, increase of an OLLA scaling factor until obtaining a negative result regarding codeword selection; and fine modifying, in a fine modification phase, the scaling factor using an upturn factor and a downturn factor in response to the result regarding codeword selection so that a channel quality indication, which is modified using the scaling factor, is matched with its actual value. Compared with the prior art, the technical solution as provided in the present invention can quickly modify a CQI to match its actual value, thus this solution may effectively mitigate the CQI mismatch, improve the CQI feedback accuracy, and further enhance the cell throughput performance and frequency utilization.

摘要翻译： 本发明公开了一种执行外环路自适应（OLLA）操作的方法和装置。 该方法可以包括：加速初始探测阶段，增加OLLA缩放因子，直到获得关于码字选择的否定结果; 并且在精细修改阶段中，使用响应于关于码字选择的结果的上升因子和下降因子来精细地修改缩放因子，使得使用缩放因子修改的信道质量指示与其实际值匹配 。 与现有技术相比，本发明提供的技术方案可以快速修改CQI以实现其实际值，从而可有效缓解CQI不匹配，提高CQI反馈精度，进一步增强小区吞吐量性能， 频率利用率。

公开(公告)号：US20130089163A1

公开(公告)日：2013-04-11

申请号：US13702109

申请日：2011-06-14

申请人： Zhongshan Zhang ,  Ming Lei

发明人： Zhongshan Zhang ,  Ming Lei

IPC分类号： H04L5/00

CPC分类号： H04L5/00 ,  H04L5/0048 ,  H04L25/0226 ,  H04L27/2613

摘要： A device for generating a pilot sequence is provided. The device includes: a mapping information determining unit configured to determine periodic mapping information of the pilot sequence on subcarriers; and a pilot sequence generating unit configured to generate the pilot sequence by calculating phase information of the pilot sequence to be generated based on the periodic mapping information. A method and a device for estimating channel information are also provided.

摘要翻译： 提供了一种用于产生导频序列的装置。 该设备包括：映射信息确定单元，被配置为在子载波上确定导频序列的周期性映射信息; 以及导频序列生成单元，被配置为通过基于周期性映射信息计算要生成的导频序列的相位信息来生成导频序列。 还提供了一种用于估计信道信息的方法和装置。

公开(公告)号：US20130083865A1

公开(公告)日：2013-04-04

申请号：US13704179

申请日：2011-06-14

申请人： Ye Wu ,  Ming Lei

发明人： Ye Wu ,  Ming Lei

IPC分类号： H04B7/04

CPC分类号： H04B7/0408 ,  H04B7/0426 ,  H04B7/0452 ,  H04B7/0613 ,  H04B7/0617 ,  H04B7/0619 ,  H04B7/0851

摘要： The invention provides a wireless communication system and a beamforming training method for a wireless communication system. A wireless communication system comprising: a plurality of transmitting stations each including a transmit antenna array, the plurality of transmitting stations transmitting training sequences via the respective transmit antenna arrays in the same period of time; and a plurality of receiving stations corresponding to the plurality of transmitting stations respectively and each including a receive antenna array, each of the plurality of receiving stations receiving the respective training sequences transmitted by the plurality of transmitting stations via the respective receive antenna array and acquiring channel information regarding channel conditions of the respective links between the receiving station and the respective ones of the plurality of transmitting stations, the channel information being used to determine at least one of optimized transmit antenna weight vectors of the transmit antenna arrays of the plurality of transmitting stations and optimized receive antenna weight vectors of the receive antenna arrays of the plurality of receiving stations.

摘要翻译： 本发明提供了一种用于无线通信系统的无线通信系统和波束成形训练方法。 一种无线通信系统，包括：多个发送站，每个发送站各自包括发射天线阵列，所述多个发射站在相同的时间段内经由各个发射天线阵列发送训练序列; 以及分别对应于所述多个发送站的多个接收站，并且每个所述接收站各自包括接收天线阵列，所述多个接收站中的每一个接收由所述多个发送站经由所述相应的接收天线阵列发送的各个训练序列，并且获取信道 关于接收站和多个发射站中的相应链路之间的各个链路的信道状况的信息，所述信道信息用于确定多个发射站的发射天线阵列的优化的发射天线权重向量中的至少一个 以及多个接收站的接收天线阵列的优化的接收天线权重向量。