-
公开(公告)号：US20190182822A1
公开(公告)日：2019-06-13
申请号：US16301520
申请日：2017-08-10
Applicant: NTT DOCOMO, INC.
Inventor： Kazuaki Takeda , Naoto Ookubo , Jiahui Liu , Qin Mu , Liu Liu , Huiling Jiang
Abstract: The present invention provides a method for allowing user terminal to acquire information about paging physical resource blocks (PRBs), a method of allowing a base station to indicate information about paging PRBs to UE, a method of allowing UE to determine allocation of paging PRBs, a method of allowing a base station to allocate paging PRBs, a base station and UE. The above method of allowing user terminal to acquire information about paging physical resource blocks (PRBs) includes detecting an anchor PRB, reading information carried by the anchor PRB, and acquiring information about the non-anchor paging PRBs associated with the anchor PRB based on the information carried by the anchor PRB. By this method, non-anchor paging PRBs can be specified to the UE.
-
公开(公告)号：US20190116547A1
公开(公告)日：2019-04-18
申请号：US16088740
申请日：2017-03-29
Applicant: NTT DOCOMO, INC.
Inventor： Yousuke Sano , Kazuaki Takeda , Satoshi Nagata , Qin Mu , Liu Liu , Huiling Jiang
Abstract: A user equipment in a mobile communication system including a base station and the user equipment, including: a mode determining unit that receives instruction information indicating a transmission mode of broadcast information from the base station and determines the transmission mode based on the instruction information; and a receiving unit that performs a reception operation of the broadcast information according to the transmission mode determined by the mode determining unit.
-
公开(公告)号：US20180115387A1
公开(公告)日：2018-04-26
申请号：US15564762
申请日：2016-04-08
Applicant: NTT DOCOMO, INC.
Inventor： Kazuaki Takeda , Liu Liu , Huiling Jiang , Qin Mu
CPC classification number: H04L1/0003 , H04B7/02 , H04L1/0009 , H04L1/08 , H04L1/1896 , H04W72/042
Abstract: The present invention is designed to reduce the decrease of spectral efficiency even when repetitious transmission is applied to communication by user terminals, in which the bandwidth to use is limited to partial narrow bandwidths in a system bandwidth. According to one aspect of the present invention, a user terminal, in which the bandwidth to use is limited to partial narrow bandwidths in a system bandwidth, has a receiving section that receives downlink control information (DCI), which includes information related to a repetition factor, and a control section that judges the repetition factor to apply to the transmission and/or receipt of a predetermined signal based on the information related to the repetition factor, wherein the information related to the repetition factor is selected in association with the MCS (Modulation and Coding Scheme) that is applied to the predetermined signal.
-
公开(公告)号：US20170303247A1
公开(公告)日：2017-10-19
申请号：US15513521
申请日：2015-09-18
Applicant: NTT DOCOMO, INC.
Inventor： Shimpei Yasukawa , Satoshi Nagata , Qin Mu , Liu Liu , Huiling Jiang
CPC classification number: H04W72/042 , H04L5/0053 , H04L5/0094 , H04W72/1289 , H04W88/02
Abstract: A user apparatus configured to perform communication with a base station in a mobile communication system, wherein a common search space and a user specific search space are multiplexed in a predetermined physical downlink control channel transmitted from the base station, the user apparatus including: a monitoring control unit configured to monitor, for each predetermined time frame, any one of the common search space and the user specific search space in the predetermined physical downlink control channel in order to obtain downlink control information.
-
公开(公告)号：US09763240B2
公开(公告)日：2017-09-12
申请号：US14399982
申请日：2013-05-10
Applicant: NTT DOCOMO, INC.
Inventor： Kazuaki Takeda , Qin Mu , Liu Liu , Lan Chen
CPC classification number: H04W72/042 , H04B7/0617 , H04B7/0619 , H04L5/0023 , H04L5/0053 , H04L5/0094
Abstract: The blind decoding method disclosed herein is a blind decoding method to allow a user terminal to blind-decode downlink control information that is transmitted from a radio base station using at least one of a legacy PDCCH and an enhanced PDCCH that is frequency-division-multiplexed with a PDSCH, and includes the steps in which the radio base station reports information for configuring a number of candidates, which information is used to configure numbers of search space candidates for the legacy PDCCH and numbers of search space candidates for the enhanced PDCCH, to the user terminal, and the user terminal blind-decodes the downlink control information based on the numbers of search space candidates for the legacy PDCCH and the numbers of search space candidates for the enhanced PDCCH that are configured based on the candidate quantity configuration information.
-
Patent Agency Ranking
36.发明授权Radio communication system, radio base station apparatus, user terminal and radio communication method 有权无线通信系统，无线基站装置，用户终端和无线通信方式公开(公告)号：US09439182B2
公开(公告)日：2016-09-06
申请号：US14356312
申请日：2012-11-08
Applicant: NTT DOCOMO, INC.
Inventor： Kazuaki Takeda , Liu Liu , Lan Chen , Qin Mu , Wenbo Wang
CPC classification number: H04W72/042 , H04L1/18 , H04L1/1812 , H04L1/1822 , H04L1/1887 , H04L5/001 , H04L5/0053 , H04L5/14 , H04W72/1289
Abstract: The present invention is designed to prevent the decrease of capacity even when the ratio of uplink subframes and downlink subframes is changed in each component carrier in TDD carrier aggregation. With the radio communication method according to the present invention, a radio base station apparatus generates a downlink control channel signal containing downlink control information including carrier indicator field information, and transmits the downlink control channel signal to a user terminal, and the user terminal receives the downlink control channel signal and executes signal processing with respect to the downlink signal in accordance with the downlink control information. In this case, the carrier indicator field information is information which associates a carrier index and the number of subframes to schedule victim subframes.
Abstract translation: 本发明被设计为即使在TDD载波聚合中在每个分量载波中改变上行链路子帧和下行链路子帧的比率时也防止容量的降低。 根据本发明的无线通信方法，无线基站装置生成包含载波指示符字段信息的下行链路控制信息的下行控制信道信号，向用户终端发送下行控制信道信号，用户终端接收 下行链路控制信道信号，并且根据下行链路控制信息执行关于下行链路信号的信号处理。 在这种情况下，载波指示符字段信息是将载波索引和子帧数量相关联以调度受害者子帧的信息。
-
公开(公告)号：US20160242207A1
公开(公告)日：2016-08-18
申请号：US15024861
申请日：2014-09-10
Applicant: NTT DOCOMO, INC.
Inventor： Shimpei Yasukawa , Qin Mu , Liu Liu , Lan Chen , Huiling Jiang
CPC classification number: H04W74/002 , H04W28/06 , H04W72/0413 , H04W72/042 , H04W72/1289 , H04W88/02 , H04W88/08
Abstract: The present invention is designed so that communication overhead pertaining to control signals is reduced in a communication system in which the bandwidth of a physical downlink shared channel is narrower than the system bandwidth. The radio base station of the present invention has a resource allocation section that allocates a physical downlink shared channel to a predetermined narrow band in a downlink system bandwidth, for a user terminal, and a downlink control information generating section that generates downlink control information to report to the user terminal, and the downlink control information generating section determines the size of a field pertaining to resource allocation information, included in downlink control information related to the physical downlink shared channel, based on the narrow band where the physical downlink shared channel is allocated.
Abstract translation: 本发明被设计成使得在物理下行链路共享信道的带宽比系统带宽窄的通信系统中减少与控制信号有关的通信开销。 本发明的无线基站具有向下行系统带宽内的用户终端分配物理下行链路共享信道至规定的窄带的资源分配部，以及生成用于报告的下行控制信息的下行链路控制信息生成部 并且下行链路控制信息生成部基于物理下行链路共享信道被配置的窄带来决定包含在与物理下行链路共享信道有关的下行链路控制信息中的与资源分配信息有关的字段的大小 。
-
38.发明申请RADIO COMMUNICATION METHOD, RADIO BASE STATION, USER TERMINAL AND RADIO COMMUNICATION SYSTEM 有权无线电通信方法，无线基站，用户终端和无线电通信系统公开(公告)号：US20150229454A1
公开(公告)日：2015-08-13
申请号：US14416186
申请日：2013-07-22
Applicant: NTT DOCOMO, INC.
Inventor： Kazuaki Takeda , Satoshi Nagata , Yoshihisa Kishiyama , Qin Mu , Liu Liu , Lan Chen
CPC classification number: H04L5/0055 , H04B7/0452 , H04L1/00 , H04W28/06 , H04W72/042
Abstract: A system and method for allocating adequate uplink radio resources for delivery acknowledgment information of a downlink shared data channel when downlink control information is transmitted using an enhanced downlink control channel is disclosed. A radio base station configures a plurality of enhanced PDCCH sets, which are each formed to include a plurality of enhanced control channel elements (eCCEs) allocated to the enhanced downlink control channel, for a user terminal, the radio base station transmits, to the user terminal, the downlink control information, to which resource identifiers (ARIs) are added, the resource identifiers being different between the plurality of enhanced PDCCH sets, and the user terminal determines radio resources for an uplink control channel that are used to transmit delivery acknowledgment information of the downlink shared data channel, based on offset values that are associated with the resource identifiers (ARIs).
Abstract translation: 公开了一种用于在使用增强型下行链路控制信道发送下行链路控制信息时为下行链路共享数据信道的传送确认信息分配足够的上行链路无线电资源的系统和方法。 无线基站配置多个增强型PDCCH集合，每个增强型PDCCH集合形成为包括分配给增强型下行链路控制信道的多个增强控制信道单元（eCCE），用于用户终端，无线基站向用户发送 终端，添加了资源标识符（ARI）的下行链路控制信息，多个增强型PDCCH集合之间的资源标识符不同，并且用户终端确定用于发送递送确认信息的上行链路控制信道的无线电资源 基于与资源标识符（ARI）相关联的偏移值来确定下行链路共享数据信道。
-
39.发明申请公开(公告)号：US20150146586A1
公开(公告)日：2015-05-28
申请号：US14399974
申请日：2013-05-09
Applicant: NTT DOCOMO, INC.
Inventor： Kazuaki Takeda , Yang Lu , Qin Mu , Liu Liu , Lan Chen
CPC classification number: H04W72/0413 , H04L1/18 , H04L5/1469 , H04W72/042
Abstract: The present invention is designed to allow effective allocation of PUCCH resources, even when the ratio between uplink subframes and downlink subframes is changed in each cell, in CA by TDD. A user terminal communicates with a radio base station by means of TDD, in a communication band that is broadbanded by CA between a first cell and a second cell, and has a receiving section that receives downlink control information for the first cell and downlink control information for the second cell, allocated to a downlink control channel of the first cell, a retransmission control determining section that determines retransmission control for downlink signals transmitted from each cell, a transmitting section that feeds back retransmission control signals to the radio base station using the PUCCH of the first cell, and a resource selection section that selects the PUCCH resources to feed back the retransmission control signals, and, when the ratio of DL subframes is higher in the second cell than in the first cell, the resource selection section determines the PUCCH resources to allocate the retransmission control signals that correspond to the first cell and the second cell to, by different methods.
Abstract translation: 本发明被设计为即使当在每个小区中在TDD中，CA在每个小区中改变上行链路子帧和下行链路子帧之间的比率时，也能够有效地分配PUCCH资源。 用户终端在由第一小区和第二小区之间由CA宽带的通信频带中通过TDD与无线基站进行通信，并且具有：接收部，其接收第一小区的下行链路控制信息和下行链路控制信息 对于分配给第一小区的下行控制信道的第二小区，确定从各小区发送的下行链路信号的重发控制的重传控制决定部，使用PUCCH向无线基站反馈重发控制信号的发送部 以及资源选择部，其选择所述PUCCH资源来反馈所述重发控制信号，并且当所述第二小区中的所述DL子帧的比例高于所述第一小区时，所述资源选择部确定所述PUCCH 用于分配与第一小区和第二小区相对应的重发控制信号的资源， 通过不同的方法。
-
40.发明申请RADIO COMMUNICATION SYSTEM, RADIO BASE STATION APPARATUS, USER TERMINAL, AND RADIO COMMUNICATION METHOD 有权无线电通信系统，无线基站设备，用户终端和无线电通信方法公开(公告)号：US20140241223A1
公开(公告)日：2014-08-28
申请号：US14355645
申请日：2012-11-08
Applicant: NTT DOCOMO, INC.
Inventor： Kazuaki Takeda , Liu Liu , Lan Chen , Qin Mu , Wenbo Wang
CPC classification number: H04W72/042 , H04J3/00 , H04L5/001 , H04L5/0053 , H04L5/0094 , H04L5/1469 , H04W72/1289
Abstract: According to the present invention, even when the ratio between uplink subframes and downlink subframes is changed in each component carrier in TDD carrier aggregation, it is still possible to prevent a decrease in capacity. With the radio communication method according to the present invention, a radio base station apparatus generates a downlink control channel signal containing downlink control information including carrier indicator field information, and transmits the downlink control channel signal to a user terminal, and the user terminal receives the downlink control channel signal, and executes signal processing with respect to the downlink signal in accordance with the downlink control information. In this case, the carrier indicator field information is information which associates a carrier index and the index of a secondary cell subframe to be scheduled.
Abstract translation: 根据本发明，即使在TDD载波聚合中每个分量载波中上行子帧与下行子帧之间的比例发生变化的情况下，仍然可以防止容量的降低。 根据本发明的无线通信方法，无线基站装置生成包含载波指示符字段信息的下行链路控制信息的下行控制信道信号，向用户终端发送下行控制信道信号，用户终端接收 下行链路控制信道信号，并且根据下行链路控制信息执行关于下行链路信号的信号处理。 在这种情况下，载波指示符字段信息是将载波索引与要调度的二次小区子帧的索引相关联的信息。
-
-
-
-
-
-
-
-
-
Search Results
130
records
(took 0.026 seconds)
