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公开(公告)号：US20190335459A1
公开(公告)日：2019-10-31
申请号：US16507188
申请日：2019-07-10
发明人： Juan Zheng , Zuomin Wu , Lei Guan , Qiang Li
摘要： The present disclosure relates to example data transmission methods, user equipment, and access network devices in an LAA-LTE system. An example data receiving method includes determining, by user equipment, first information of a first cell. The user equipment determines a first subframe based on the first information, where a downlink data transmission length of the first subframe is less than a first threshold. The user equipment then determines a data transmission characteristic of the cell in the first subframe based on a preset condition, so as to receive, based on the data transmission characteristic, data including the first subframe. In doing so, a data transmission characteristic of a base station or a terminal is standardized, and a reference signal such as a DRS can be correctly identified.
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公开(公告)号：US10411860B2
公开(公告)日：2019-09-10
申请号：US15085469
申请日：2016-03-30
发明人： Juan Zheng , Zhiyu Yan , Sha Ma , Qiang Li
摘要： Embodiments provide an information transmission method, a base station, and user equipment, so as to properly use a spectrum. The method includes generating a first notification message, where the first notification message is used to instruct user equipment in a user equipment set to detect a common control channel of a first cell in the first cell, and sending the first notification message to the user equipment in the user equipment set by using a second cell. The method also includes sending the common control channel to the user equipment in the user equipment set by using the first cell.
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公开(公告)号：US10390302B2
公开(公告)日：2019-08-20
申请号：US15346557
申请日：2016-11-08
发明人： Zhiyu Yan , Bingyu Qu , Qiang Li , Chuanfeng He
摘要： The present invention relates to the field of communications technologies, and in particular, to a data scheduling method and apparatus, so as to resolve a problem that performing data scheduling on a data node by different evolved NodeBs participating in CA may cause a case in which a range supported by a processing capability of the data node is exceeded, or may cause a case in which the data node cannot fully leverage a processing capability of the data node. The method includes: sending, by the data node, scheduling limitation indication information to a first communications node; receiving, by the data node, data scheduling information that is sent by the first communications node to the data node; and sending, by the data node, uplink data to the first communications node, or receiving, by the data node, downlink data sent by the first communications node according to the data scheduling information.
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公开(公告)号：US20190254028A1
公开(公告)日：2019-08-15
申请号：US16393181
申请日：2019-04-24
发明人： Qiang Li , Qiang Wu , Bingyu Qu , Yongxing Zhou
摘要： A method includes determining a type of a first subframe, where the type of the first subframe is a first-type subframe, a second-type subframe, a third-type subframe, or a fourth-type subframe, where the second-type subframe includes an uplink control channel and a downlink channel, the uplink control channel is located after the downlink channel, and there is a guard period between the uplink control channel and the downlink channel. The fourth-type subframe includes an uplink channel and a downlink control channel, the uplink channel is located after the downlink control channel, and there is a guard period between the uplink channel and the downlink control channel. The method also includes transmitting data in the first subframe according to the type of the first subframe.
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公开(公告)号：US10356804B2
公开(公告)日：2019-07-16
申请号：US15153196
申请日：2016-05-12
发明人： Zhiyu Yan , Xiaoan Fan , Sha Ma , Qiang Li
摘要： A data transmission method and user equipment is provides. The method includes: sending, by user equipment (UE), auxiliary scheduling information to a first part of or all of network side devices, an uplink transmission state of the UE is determined according to the auxiliary scheduling information, and perform scheduling on the UE according to the uplink transmission state of the UE, where the uplink transmission state is a first uplink transmission state in which uplink data can be simultaneously transmitted on an uplink carrier corresponding to all of the network side devices, or is a second uplink transmission state in which uplink data can be simultaneously transmitted on an uplink carrier corresponding to a second part of the network side devices; and transmitting, by the UE, data according to scheduling information of the second part of or all of the network side devices.
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公开(公告)号：US10278170B2
公开(公告)日：2019-04-30
申请号：US15015430
申请日：2016-02-04
摘要： Embodiments of the present invention provide information sending and receiving methods and devices. The information sending method includes: determining, by a base station, a downlink subframe that is used to send first information to user equipment UE; and sending, by the base station, the first information to the UE by using the downlink subframe, where the downlink subframe is a first subframe, a second subframe, or a third subframe, where the first subframe includes at least two sub-physical resource block pairs, the second subframe includes at least two physical resource block pairs, and the third subframe includes at least one sub-physical resource block pair and at least one physical resource block pair. According to the embodiments of the present invention, an LTE communications system efficiently and flexibly supports various network architectures and various types of UEs.
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公开(公告)号：US10045316B2
公开(公告)日：2018-08-07
申请号：US14993381
申请日：2016-01-12
发明人： Yuan Xia , Juan Zheng , Xiaoan Fan , Sha Ma , Qiang Li
摘要： A method and device for sending a synchronization signal and a method and device for synchronization between base stations, include: determining, by a synchronization source base station according to a synchronization level of the synchronization source base station, a resource for sending an NLRS for clock synchronization between base stations, and according to the determined resource. In this way, one NLRS for clock synchronization between base stations is configured on each synchronization source base station, and the NLRS is sent on a resource determined according to a synchronization level, so that a synchronization base station that acquires the NLRS can determine the synchronization level of the synchronization source base station according to a resource for sending the NLRS.
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公开(公告)号：US20180103440A1
公开(公告)日：2018-04-12
申请号：US15840952
申请日：2017-12-13
发明人： Jiafeng Shao , Bingyu Qu , Qiang Li
IPC分类号： H04W52/34 , H04W72/10 , H04W52/36 , H04W52/28 , H04W52/40 , H04W52/24 , H04W72/04 , H04W72/08
CPC分类号： H04W52/346 , H04B7/024 , H04W52/243 , H04W52/281 , H04W52/34 , H04W52/367 , H04W52/40 , H04W72/0446 , H04W72/082 , H04W72/10
摘要： In response to a user equipment (UE) sending data to a first network side device over a first channel and to a second network side device over a second channel, a method includes determining that the first channel separately overlaps the second channel and a third channel. The method further includes allocating, according to priorities of the first channel and the second channel, a first transmit power to the first subframe j and a second transmit power to the second subframe i. The first transmit power is less than or equal to a first power upper limit. A sum of the first transmit power and the second transmit power is less than or equal to a first threshold. A sum of third transmit power of the third subframe i+1 and the first power upper limit is less than or equal to a preset threshold.
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公开(公告)号：US20180041295A1
公开(公告)日：2018-02-08
申请号：US15728263
申请日：2017-10-09
发明人： Juan Zheng , Zhiyu Yan , Qiang Li , Sha Ma
IPC分类号： H04B17/382 , H04W72/04
CPC分类号： H04B17/382 , H04B7/26 , H04L5/0007 , H04L5/0057 , H04W72/0446
摘要： The present disclosure discloses a data transmission method, a device, and a system, relates to the communications field, and can resolve a prior-art problem that a receive end cannot correctly receive data because a starting moment of sending information on a license-exempt spectrum cannot be determined. A specific solution is as follows: A first device detects first information of a first serving cell in a preset time period of a first subframe on a first time resource or a first time set of a subframe on a first time resource, determines a starting position of a second time resource according to the first information, and detects second information of the first serving cell in a second time set of a subframe on the second time resource. The present disclosure is used for data transmission.
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公开(公告)号：US20170325227A1
公开(公告)日：2017-11-09
申请号：US15659279
申请日：2017-07-25
发明人： Qiang Li , Qiang Wu , Bingyu Qu , Yongxing Zhou
IPC分类号： H04W72/04
摘要： The method includes determining a type of a first subframe, where the type of the first subframe is a first-type subframe, a second-type subframe, a third-type subframe, or a fourth-type subframe, where the second-type subframe includes an uplink control channel and a downlink channel, the uplink control channel is located after the downlink channel, and there is a guard period between the uplink control channel and the downlink channel. The fourth-type subframe includes an uplink channel and a downlink control channel, the uplink channel is located after the downlink control channel, and there is a guard period between the uplink channel and the downlink control channel. The method also includes transmitting data in the first subframe according to the type of the first subframe.
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