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公开(公告)号：US20210014842A1
公开(公告)日：2021-01-14
申请号：US16938130
申请日：2020-07-24
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Abstract: 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：US20180294900A1
公开(公告)日：2018-10-11
申请号：US16009571
申请日：2018-06-15
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Lie ZHANG , Jianxiong BAI , Meifeng LI , Qiang LI
CPC classification number: H04B17/21 , H04B1/0071 , H04L27/38
Abstract: A method for determining a calibration parameter of a zero intermediate frequency radio receiver, and a zero intermediate frequency radio receiver are provided. The method includes: obtaining a plurality of sub-band training signals, where a sum of the plurality of sub-band training signals is a fullband training signal; determining a sub-band calibration parameter corresponding to each of the plurality of sub-band training signals; determining a fullband calibration signal according to the plurality of sub-band training signals and the sub-band calibration parameter corresponding to each of the plurality of sub-band training signals; and performing coefficient fitting on the fullband training signal and the fullband calibration signal, to determine a fullband calibration parameter. Because sub-band calibration parameters are obtained according to a plurality of different sub-band training signals, aliasing between an image signal and a training signal is reduced. Therefore, a speed and precision of determining a calibration parameter can be improved.
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43.发明申请公开(公告)号：US20180131494A1
公开(公告)日：2018-05-10
申请号：US15863232
申请日：2018-01-05
Applicant: Huawei Technologies Co., Ltd.
Inventor： Qiang LI , David MAZZARESE
CPC classification number: H04L5/0053 , H04J11/00 , H04L1/0031 , H04L1/08 , H04L5/0048 , H04L5/0094 , H04W24/10 , H04W72/042 , H04W88/02 , H04W88/08
Abstract: A method for transmitting a sounding reference signal and a method and device for indicating a configuration are provided. A method for indicating a sounding reference signal configuration may include: generating at least two pieces of downlink control signaling DCI, where each of the at least two pieces of DCI includes a sounding reference signal SRS configuration information element; and transmitting the at least two pieces of DCI in a subframe to a terminal, so that the SRS configuration information elements in the at least two pieces of DCI are used to jointly indicate an SRS configuration. Solutions of embodiments of the present invention can improve accuracy and flexibility of indicating an SRS configuration.
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公开(公告)号：US20180020485A1
公开(公告)日：2018-01-18
申请号：US15706314
申请日：2017-09-15
Applicant: Huawei Technologies Co., Ltd.
Inventor： Meiying YANG , Zuomin WU , Sha MA , Qiang LI , Lei WAN
IPC: H04W74/08 , H04L12/801
CPC classification number: H04W74/0833 , H04L47/14 , H04W74/08 , H04W74/0816
Abstract: Embodiments of the present disclosure provide a backoff window adjustment method, and an apparatus. In downlink transmission, a base station obtains a trigger condition for adjusting a length of a backoff window on a first channel, and adjusts the length of the backoff window of the base station on the first channel according to the obtained trigger condition for adjusting the length of the backoff window on the first channel. In uplink transmission, a user equipment (UE) obtains a trigger condition for adjusting a length of a backoff window on a first channel, and adjusts the length of the backoff window of the UE on the first channel according to the obtained trigger condition for adjusting the length of the backoff window on the first channel.
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公开(公告)号：US20170237463A1
公开(公告)日：2017-08-17
申请号：US15588417
申请日：2017-05-05
Applicant: Huawei Technologies Co., Ltd.
Inventor： Juan ZHENG , Zuomin WU , Lei GUAN , Qiang LI , Sha MA
IPC: H04B1/7087 , H04L5/00 , H04W16/14
CPC classification number: H04B1/7087 , H04L5/001 , H04L5/0044 , H04L5/0048 , H04L5/0053 , H04L27/0006 , H04W16/14 , H04W56/00
Abstract: Embodiments of the present invention provide a data transmission method and a data transmission device. The data transmission device includes: a detection unit, configured to detect a first signal in a first cell; a determining unit, configured to determine a reference time point according to a first sequence of the detected first signal, where the reference time point is located in a first subframe of the first cell; where the determining unit is further configured to determine a position of a data channel according to the determined reference time point; and a receiving unit, configured to receive, according to the position of the data channel, control data and/or service data carried on the data channel. According to the embodiments of the present invention, resource utilization can be improved.
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Patent Agency Ranking
公开(公告)号：US20170055212A1
公开(公告)日：2017-02-23
申请号：US15346557
申请日：2016-11-08
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zhiyu YAN , Bingyu QU , Qiang LI , Chuanfeng HE
CPC classification number: H04W52/0216 , H04W72/1268 , H04W72/1284 , Y02D70/1262 , Y02D70/1264 , Y02D70/24
Abstract: 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.
Abstract translation: 本发明涉及通信技术领域，特别涉及一种数据调度方法和装置，以便解决由参与CA的不同演进的NodeB对数据节点执行数据调度的问题可能导致以下情况： 超出由数据节点的处理能力支持的范围，或者可能导致数据节点不能充分利用数据节点的处理能力的情况。 该方法包括：由数据节点向第一通信节点发送调度限制指示信息; 由数据节点接收由第一通信节点发送给数据节点的数据调度信息; 并且由所述数据节点向所述第一通信节点发送上行链路数据，或者由所述数据节点根据所述数据调度信息，接收由所述第一通信节点发送的下行链路数据。
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公开(公告)号：US20170013642A1
公开(公告)日：2017-01-12
申请号：US15274832
申请日：2016-09-23
Applicant: Huawei Technologies Co., Ltd.
CPC classification number: H04W72/14 , H04L1/1887 , H04L5/001 , H04L5/003 , H04L5/0044 , H04L5/0053 , H04L5/0096 , H04W16/14 , H04W72/042 , H04W72/1205
Abstract: The present invention relates to the communications field, and discloses an information transmission method and a device, which can resolve a problem of excessively high overheads of scheduling signaling of data retransmission in an unlicensed spectrum. A specific solution is as follows: writing a data retransmission identifier of a first carrier into a preset field of a physical downlink control channel; generating a data scheduling instruction of the physical downlink control channel; sending, on a second carrier, the data scheduling instruction of the physical downlink control channel to a receiving device; and sending data that is on the first carrier on the second carrier according to the data scheduling instruction of the physical downlink control channel. The present invention is applied to information transmission.
Abstract translation: 本发明涉及通信领域，并且公开了一种信息传输方法和设备，其可以解决在非许可频谱中数据重传的调度信令的过高开销的问题。 具体方案如下：将第一载波的数据重传标识符写入物理下行链路控制信道的预设字段; 生成物理下行链路控制信道的数据调度指令; 在第二载波上发送物理下行链路控制信道的数据调度指令给接收装置; 并根据物理下行链路控制信道的数据调度指令在第二载波上发送位于第一载波上的数据。 本发明应用于信息传输。
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公开(公告)号：US20160073367A1
公开(公告)日：2016-03-10
申请号：US14939903
申请日：2015-11-12
Applicant: Huawei Technologies Co., Ltd.
CPC classification number: H04W56/001 , H04W56/0045 , H04W74/0833 , H04W88/02
Abstract: Embodiments of the present invention disclose a node synchronization method and apparatus, and relate to the field of communications technologies, where the method includes: selecting, by a first node, at least one user equipment UE, where the UE is used to assist a second node to synchronize with the first node; and sending, by the first node, a notification message to the at least one UE, so that the at least one UE assists the second node to implement synchronization with the first node. The present invention is applicable to time synchronization between communications nodes.
Abstract translation: 本发明的实施例公开了一种节点同步方法和装置，涉及通信技术领域，其中该方法包括：由第一节点选择至少一个用户设备UE，其中UE用于辅助第二节点 节点与第一个节点同步; 以及由所述第一节点向所述至少一个UE发送通知消息，使得所述至少一个UE协助所述第二节点实现与所述第一节点的同步。 本发明适用于通信节点之间的时间同步。
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公开(公告)号：US20150079996A1
公开(公告)日：2015-03-19
申请号：US14548802
申请日：2014-11-20
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
CPC classification number: H04W36/04 , H04W36/0072 , H04W56/0005 , H04W56/001 , H04W56/0045 , H04W72/0413 , H04W72/0426 , H04W88/02
Abstract: A method for detecting an uplink signal includes: detecting, by a micro base station according to configuration information about an uplink signal sent by a UE, whether the uplink signal is received in an uplink receive window of a macro base station, where the macro base station and the micro base station have synchronized clock rates, there is a fixed time difference t1 between the uplink receive window of the macro base station and an uplink receive window of the micro base station, and |t1|≧0; and if it is detected that the uplink signal is not received in the uplink receive window of the macro base station, after the micro base station advances the uplink receive window of the macro base station by a length of at least one cyclic prefix, detecting, by the micro base station, the uplink signal, and sending the uplink signal to the macro base station.
Abstract translation: 一种用于检测上行链路信号的方法包括：通过微型基站根据由UE发送的上行链路信号的配置信息检测在宏基站的上行链路接收窗口中是否接收到上行链路信号，其中，宏基站 站和微基站具有同步时钟速率，在宏基站的上行接收窗口和微基站的上行接收窗口之间存在固定的时间差t1，| t1 |≥0; 并且如果检测到在所述宏基站的上行链路接收窗口中没有接收到所述上行链路信号，则在所述微基站将所述宏基站的上行链路接收窗口前进至少一个循环前缀的长度之后， 由微基站发送上行链路信号，并将上行链路信号发送到宏基站。
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公开(公告)号：US20140162718A1
公开(公告)日：2014-06-12
申请号：US14183158
申请日：2014-02-18
Applicant: Huawei Technologies Co., Ltd.
Inventor： Qiang LI
IPC: H04W52/14
Abstract: A method for a terminal to transmit an uplink signal includes: receiving an instruction sent by a serving base station and used for determining transmit power; selecting an uplink power control formula from a plurality of uplink power control formulas according to the instruction; obtaining transmit power of an uplink signal by using the selected uplink power control formula; and transmitting an uplink signal by using the transmit power. An uplink power control formula is selected from a plurality of uplink power control formulas according to an instruction of a serving base station, so that a terminal is not only capable of selecting, according to a receiving manner, a corresponding uplink power control formula to determine a transmit signal, but also capable of using a corresponding uplink power control formula for a different configuration parameter of a non-periodical SRS to determine suitable transmit power to transmit an uplink signal.
Abstract translation: 终端发送上行链路信号的方法包括：接收由服务基站发送并用于确定发送功率的指令; 根据该指令从多个上行链路功率控制公式中选择上行链路功率控制公式; 通过使用所选择的上行链路功率控制公式来获得上行链路信号的发射功率; 以及通过使用所述发射功率来发送上行链路信号。 根据服务基站的指示从多个上行链路功率控制公式中选择上行链路功率控制公式，使得终端不仅能够根据接收方式选择相应的上行链路功率控制公式来确定 发送信号，但是也能够使用用于非周期性SRS的不同配置参数的相应的上行链路功率控制公式来确定用于发送上行链路信号的合适的发射功率。
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