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1. 发明申请

US20180234994A1 USER APPARATUS AND COMMUNICATION METHOD 审中-公开
公开(公告)号：US20180234994A1
公开(公告)日：2018-08-16
申请号：US15749712
申请日：2016-08-10
申请人： NTT DOCOMO, INC.
发明人： Shimpei Yasukawa , Satoshi Nagata , Qun Zhao , Yongbo Zeng , Yongsheng Zhang
IPC分类号： H04W72/12 , H04W72/02 , H04W92/18 , H04W72/04
CPC分类号： H04W72/1242 , H04L5/0005 , H04L5/0053 , H04L5/0064 , H04W4/70 , H04W72/02 , H04W72/0406 , H04W72/10 , H04W76/14 , H04W76/45 , H04W92/18
摘要： A user apparatus in a radio communication system that supports a Device to Device (D2D) communication is disclosed. The user apparatus includes a first transmission unit configured to transmit radio resource allocation information, in case of transmitting a Medium Access Control (MAC) Protocol Data Unit (PDU) of high priority, by using a specific subframe that is used for transmitting radio resource allocation information corresponding to a MAC PDU of high priority, from among radio resources allocated to a D2D control channel. A second transmission unit is configured to transmit the MAC PDU via a D2D data channel in accordance with the transmitted radio resource allocation information.

2. 发明授权

US10009828B2 User terminal and inter-terminal communication method 有权
公开(公告)号：US10009828B2
公开(公告)日：2018-06-26
申请号：US15032720
申请日：2014-10-16
申请人： NTT DOCOMO, INC.
发明人： Hiroki Harada , Yongbo Zeng , Qun Zhao , Yongsheng Zhang
IPC分类号： H04W40/24 , H04J11/00 , H04L27/10 , H04L27/34 , H04L29/06 , H04L5/00 , H04W72/12 , H04W8/00 , H04W88/06
CPC分类号： H04W40/244 , H04J11/00 , H04J11/0056 , H04L5/0048 , H04L5/005 , H04L27/10 , H04L27/34 , H04L69/22 , H04W8/005 , H04W40/246 , H04W72/1215 , H04W72/1263 , H04W88/06
摘要： The present invention is designed so that, when a plurality of inter-terminal discovery signals with varying numbers of information bits are used in a radio communication system in which inter-terminal communication is carried out, user terminals can be discovered based on the inter-terminal discovery signals. According to the inter-terminal communication method of the present invention, a user terminal (#1) determines the signal format of a discovery signal based on the number of information bits of the discovery signal,transmits the discovery signal based on the signal format, and also transmits signal format information to represent this signal format. A user terminal (#2) receives the signal format information from the user terminal (#1), and, based on the signal format represented by the signal format information, detects the discovery signal.

3. 发明申请

US20160294595A1 RADIO BASE STATION, USER TERMINAL AND RADIO COMMUNICATION METHOD 审中-公开
标题翻译：无线基站，用户终端和无线电通信方法
公开(公告)号：US20160294595A1
公开(公告)日：2016-10-06
申请号：US15032343
申请日：2014-10-16
申请人： NTT DOCOMO, INC.
发明人： Hiroki Harada , Yongbo Zeng , Qun Zhao , Yongsheng Zhang
IPC分类号： H04L27/26 , H04W72/04 , H04W8/00
CPC分类号： H04L27/2607 , H04L27/2646 , H04W8/005 , H04W72/0446
摘要： The present invention is designed so that, in a radio communication system in which inter-terminal communication is carried out, the impact of inter-symbol interference due to the delay of inter-terminal discovery signals is reduced. The radio communication method of the present invention is used in a radio communication system in which each user terminal transmits the inter-terminal discovery signal in a transmission duration of a predetermined period. A radio base station determines the cyclic prefix (CP) length configuration for use in the transmission duration, and transmits cyclic prefix (CP) length configuration information which represents the CP length configuration. Each user terminal transmits the inter-terminal discovery signal based on the CP length configuration information.
摘要翻译：本发明的目的在于，在进行终端间通信的无线通信系统中，减少了由于终端间发现信号的延迟引起的符号间干扰的影响。本发明的无线通信方法用于各个用户终端在规定期间的发送持续时间内发送终端间发现信号的无线通信系统。无线基站确定在传输持续时间内使用的循环前缀（CP）长度配置，并发送表示CP长度配置的循环前缀（CP）长度配置信息。每个用户终端根据CP长度配置信息发送终端间发现信号。

4. 发明申请

US20160165559A1 USER APPARATUS, BASE STATION, DISCOVERY SIGNAL RECEPTION METHOD AND DISCOVERY SIGNAL TRANSMISSION METHOD 审中-公开
标题翻译：用户装置，基站，发现信号接收方法和发现信号传输方法
公开(公告)号：US20160165559A1
公开(公告)日：2016-06-09
申请号：US14906173
申请日：2014-07-15
申请人： NTT DOCOMO, INC.
发明人： Satoshi Nagata , Qun Zhao , Yongsheng Zhang , Katsutoshi Kusume
IPC分类号： H04W56/00 , H04W76/02 , H04W72/04 , H04W8/00
CPC分类号： H04W56/002 , H04W8/005 , H04W72/042 , H04W76/14 , H04W92/18
摘要： A user apparatus, for use in a radio communication system including a base station forming a cell, configured to receive a discovery signal of device-to-device communication, including: an information reception unit configured to receive, from a base station of a residing cell, a resource range in which a discovery signal can be transmitted in a neighbor cell; and a discovery signal reception unit configured to receive a discovery signal at a time position that is synchronized with the neighbor cell in response to receiving a synchronization signal that is synchronized with the neighbor cell within the resource range received by the information reception unit.
摘要翻译：一种用于在包括形成小区的基站的无线电通信系统中使用的用户装置，被配置为接收设备到设备通信的发现信号，包括：信息接收单元，被配置为从基站接收驻留的小区，可以在相邻小区中发送发现信号的资源范围; 以及发现信号接收单元，被配置为响应于在所述信息接收单元接收到的所述资源范围内接收与所述相邻小区同步的同步信号，在与所述相邻小区同步的时间位置处接收发现信号。

5. 发明申请

US20160066211A1 USER APPARATUS AND COLLISION DETECTION METHOD 有权
标题翻译：用户设备和碰撞检测方法
公开(公告)号：US20160066211A1
公开(公告)日：2016-03-03
申请号：US14781713
申请日：2014-03-13
申请人： NTT DOCOMO, INC.
发明人： Satoshi Nagata , Qun Zhao , Yongbo Zeng , Yongsheng Zhang
IPC分类号： H04W28/04 , H04W76/02 , H04W8/00
CPC分类号： H04W74/0858 , H04L1/00 , H04W8/005 , H04W76/12 , H04W92/18
摘要： A user apparatus that transmits and receives a discovery signal, including: collision detection means that detects a collision in a received discovery signal; collision notification means that, when a collision of a received discovery signal is detected by the collision detection means, transmits collision information indicating that a collision occurs in the received discovery signal; collision information reception means that receives collision information; and collision determination means that determines whether a collision occurs in a transmitted discovery signal transmitted by the user apparatus based on the collision information received by the collision information reception means.
摘要翻译：一种发送和接收发现信号的用户装置，包括：检测接收到的发现信号中的冲突的冲突检测装置; 冲突通知意味着当碰撞检测装置检测到接收到的发现信号的冲突时，发送指示在所接收的发现信号中发生冲突的冲突信息; 碰撞信息接收装置接收冲突信息; 以及冲突判定单元，其基于由所述冲突信息接收单元接收到的冲突信息，判定在所述用户装置发送的发现信号中是否发生冲突。

6. 发明申请

US20150358802A1 DISTANCE ESTIMATION METHOD, TRANSMISSION POWER CONTROL METHOD, USER APPARATUS, AND BASE STATION 有权
标题翻译：距离估计方法，传输功率控制方法，用户设备和基站
公开(公告)号：US20150358802A1
公开(公告)日：2015-12-10
申请号：US14761756
申请日：2014-02-04
申请人： NTT DOCOMO, INC.
发明人： Satoshi Nagata , Qun Zhao , Yongbo Zeng , Yongsheng Zhang
IPC分类号： H04W8/00 , H04W52/02 , H04W24/02 , H04W64/00
CPC分类号： H04W52/38 , G01S11/06 , H04W8/00 , H04W8/005 , H04W24/02 , H04W52/0261 , H04W52/28 , H04W64/00 , H04W88/04 , H04W88/08 , Y02D70/00 , Y02D70/1262 , Y02D70/1264
摘要： A distance estimation method for, by causing a first user apparatus to receive a discovery signal from a second user apparatus, estimating a distance between the first user apparatus and the second user apparatus is provided. The distance estimation method includes a step of receiving from the second user apparatus the discovery signal including transmission power information of the discovery signal, a step of obtaining the transmission power information from the discovery signal, and a step of estimating the distance between the first user apparatus and the second user apparatus from receive power information of the discovery signal at the first user apparatus and the transmission power information.
摘要翻译：一种距离估计方法，用于通过使第一用户装置从第二用户装置接收发现信号，估计第一用户装置与第二用户装置之间的距离。距离估计方法包括从第二用户装置接收包括发现信号的发送功率信息的发现信号，从发现信号获取发送功率信息的步骤以及估计第一用户之间的距离的步骤设备和第二用户装置接收来自第一用户装置的发现信号的接收功率信息和发送功率信息。

7. 发明授权

US08902785B2 Method, apparatus and system for finding and selecting partners 有权
标题翻译：查找和选择合作伙伴的方法，设备和系统
公开(公告)号：US08902785B2
公开(公告)日：2014-12-02
申请号：US13717950
申请日：2012-12-18
申请人： NTT DoCoMo, Inc.
发明人： Xin Xia , Yongsheng Zhang
IPC分类号： G01R31/08 , H04W72/04 , H04W4/02 , H04W40/32 , H04W8/00 , H04W76/02
CPC分类号： H04W72/04 , H04W4/023 , H04W8/005 , H04W40/32 , H04W76/10
摘要： Finding and selecting partners in a MiAN Cluster system is accomplished by a slave, a pairing request for requesting a pairing with a master to a server; receiving, by the slave, proximity information returned from the server based on the pairing request, the proximity information including information of working channels of a proximity interface of the master of the first kind, the master of the first kind being a master determined by the server according to the first geographical location and a geographical location of a master of the second kind previously obtained and supporting a clustering function where a distance between it and the slave meets a predetermined threshold; performing, by the slave, search on the corresponding channels according to the proximity information, and establishing a communication connection with the proximity interface of the master when a master is found.
摘要翻译：在MiAN群集系统中查找和选择合作伙伴是由一个从属单元完成的，一个请求与主服务器与服务器进行配对的配对请求; 由从机接收基于配对请求从服务器返回的邻近信息，邻近信息包括第一种主机的接近接口的工作信道的信息，第一类的主机是由主机确定的主机服务器，其根据第一地理位置和先前获得的第二种类型的主机的地理位置，并且支持其与从机之间的距离满足预定阈值的聚类功能; 由从机根据邻近信息对相应的信道进行搜索，并且当发现主机时建立与主机的接近接口的通信连接。

8. 发明申请

US20130176844A1 Mobile Internet Access Node, System and Method for Finding Partners 有权
标题翻译：移动互联网接入节点，寻找合作伙伴的系统和方法
公开(公告)号：US20130176844A1
公开(公告)日：2013-07-11
申请号：US13721156
申请日：2012-12-20
申请人： NTT DoCoMo, Inc.
发明人： Xin Xia , Yongsheng Zhang
IPC分类号： H04W48/16 , H04W24/04
CPC分类号： H04W48/16 , H04W24/04 , H04W84/047 , H04W88/10 , H04W92/20
摘要： The present invention provides an MiAN, a system and a method for finding partners for use in an MiAN cluster system. The method comprises the step of performing, by the slave MiAN, search on working channels of the proximity interface in accordance with a preset search order, and trying to establish a communication connection with the proximity interface of a master MiAN with respect to the MiANs that have been searched during the search process. When selecting the working channels of the proximity interface, all the master MiANs in the clustering system perform search in accordance with the search order, and operate on the channel which has been searched first in accordance with the search order and the channel quality of which meets a predetermined requirement. According to the present invention, the processes of finding, selecting and binding partners in the MiAN cluster system will be accelerated.
摘要翻译：本发明提供了一种MiAN，一种用于在MiAN群集系统中使用的寻找合作伙伴的系统和方法。该方法包括以下步骤：由从属机构MiAN根据预设的搜索顺序搜索接近接口的工作信道，并尝试建立与主机MiAN的接近接口相对于MiAN的通信连接，在搜索过程中已经搜索过。当选择接近界面的工作通道时，聚类系统中的所有主MiNAN都按照搜索顺序进行搜索，并按照搜索顺序首先搜索的信道进行操作，并且其信道质量满足预定的要求。根据本发明，将加快在MiAN集群系统中查找，选择和绑定伙伴的过程。

9. 发明授权

US10389564B2 Radio base station, user terminal and radio communication method 有权
公开(公告)号：US10389564B2
公开(公告)日：2019-08-20
申请号：US15032343
申请日：2014-10-16
申请人： NTT DOCOMO, INC.
发明人： Hiroki Harada , Yongbo Zeng , Qun Zhao , Yongsheng Zhang
IPC分类号： H04L27/26 , H04W8/00 , H04W72/04
摘要： The present invention is designed so that, in a radio communication system in which inter-terminal communication is carried out, the impact of inter-symbol interference due to the delay of inter-terminal discovery signals is reduced. The radio communication method of the present invention is used in a radio communication system in which each user terminal transmits the inter-terminal discovery signal in a transmission duration of a predetermined period. A radio base station determines the cyclic prefix (CP) length configuration for use in the transmission duration, and transmits cyclic prefix (CP) length configuration information which represents the CP length configuration. Each user terminal transmits the inter-terminal discovery signal based on the CP length configuration information.

10. 发明申请

US20180234888A1 USER EQUIPMENT AND DATA TRANSMISSION METHOD 审中-公开
公开(公告)号：US20180234888A1
公开(公告)日：2018-08-16
申请号：US15751196
申请日：2016-08-12
申请人： NTT DOCOMO, INC.
发明人： Shimpei Yasukawa , Satoshi Nagata , Qun Zhao , Yongbo Zeng , Yongsheng Zhang
IPC分类号： H04W28/26 , H04W4/40 , H04W72/02 , H04W72/04
CPC分类号： H04W4/40 , H04W28/26 , H04W72/02 , H04W72/0453 , H04W92/18
摘要： User equipment of a mobile communication system supporting D2D includes a reservation unit that transmits reservation information including reservation resource identification information corresponding to a reservation resource used for data transmission by the user equipment; and a transmitter that transmits data using the reservation resource corresponding to the reservation resource identification information.

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