公开(公告)号：EP3139556A1

公开(公告)日：2017-03-08

申请号：EP14895776.4

申请日：2014-06-26

申请人： Huawei Technologies Co., Ltd.

发明人： LIU, Sheng

IPC分类号： H04L25/03

CPC分类号： H04L25/03006 ,  H04B1/10 ,  H04B1/56 ,  H04L5/0048 ,  H04L5/1461 ,  H04L25/0212 ,  H04L25/0224 ,  H04W4/80

摘要： Embodiments of the present invention relate to the field of communications technologies, and provide an interference cancellation apparatus and method, which can cancel a near-field reflected self-interference component. The method includes: obtaining a radio frequency reference signal generated according to a transmit signal; obtaining a radio frequency receive signal by using a main receive antenna; performing interference cancellation processing on the radio frequency receive signal according to the radio frequency reference signal to generate a first processed signal; performing near-field reflected self-interference channel estimation according to a digital baseband reference signal corresponding to the radio frequency reference signal and according to a first digital signal obtained by sampling the first processed signal to obtain a near-field reflected self-interference component parameter; performing near-field reflected self-interference signal reconstruction according to the near-field reflected self-interference component parameter and the radio frequency reference signal to obtain a near-field reflected self-interference signal; and performing interference cancellation processing on the first processed signal according to the near-field reflected self-interference signal to obtain a second processed signal. The present invention is used for interference cancellation.

摘要翻译： 本发明实施例涉及通信技术领域，提供一种可消除近场反射自干扰分量的干扰消除设备和方法。 该方法包括：获得根据发射信号生成的射频参考信号; 通过使用主接收天线获得射频接收信号; 根据射频参考信号对射频接收信号进行干扰消除处理，生成第一处理后的信号; 根据所述射频参考信号对应的数字基带参考信号，根据对所述第一处理后的信号进行采样得到的第一数字信号进行近场反射自干扰信道估计，得到近场反射自干扰分量参数 ; 根据近场反射自干扰分量参数和射频参考信号进行近场反射自干扰信号重构，得到近场反射自干扰信号; 并根据所述近场反射自干扰信号对所述第一处理信号进行干扰消除处理，得到第二处理信号。 本发明用于干扰消除。

公开(公告)号：EP3128776A1

公开(公告)日：2017-02-08

申请号：EP14890492.3

申请日：2014-04-30

申请人： Huawei Technologies Co. Ltd.

发明人： CHEN, Teyan ,  LIU, Sheng ,  YU, Rongdao

IPC分类号： H04W16/00

CPC分类号： H04W16/00 ,  H04B1/7107 ,  H04J11/0036

摘要： The present invention discloses an interference cancellation method and a terminal, where the method includes: determining, by a first terminal, a channel parameter from a transmit antenna of a second terminal to a receive antenna of the first terminal; receiving, by the first terminal, a first signal by using a first resource, where the first signal includes a first interference signal and a wanted signal that is from a base station, and the first interference signal is an interference signal generated when the second terminal sends a second signal to the base station by using the first resource; and determining, by the first terminal, the first interference signal in the first signal according to the channel parameter, and canceling the first interference signal. According to the interference cancellation method and the terminal in the embodiments of the present invention, cancellation of an interference signal that is in a signal received by an interfered terminal and that is between terminals can be implemented by using a channel parameter between an interfering terminal and the interfered terminal.

摘要翻译： 本发明公开了一种干扰消除方法和终端，该方法包括：由第一终端确定从第二终端的发射天线到第一终端的接收天线的信道参数; 通过使用第一资源，由第一终端接收第一信号，其中第一信号包括来自基站的第一干扰信号和有用信号，并且第一干扰信号是当第二信号端子 通过使用第一资源向基站发送第二信号; 以及由所述第一终端根据所述信道参数确定所述第一信号中的所述第一干扰信号，以及消除所述第一干扰信号。 根据本发明的实施例中的干扰消除方法和终端，可以通过使用干扰终端与干扰终端之间的信道参数来实现由受干扰终端接收的信号和终端之间的信号的干扰信号的消除 被干扰的终端。

公开(公告)号：EP3073575A1

公开(公告)日：2016-09-28

申请号：EP13899614.5

申请日：2013-12-19

申请人： Huawei Technologies Co., Ltd.

发明人： YU, Rongdao ,  LIU, Sheng

IPC分类号： H01Q13/10

CPC分类号： H01Q13/10 ,  H01Q1/48 ,  H01Q1/521 ,  H01Q21/28

摘要： Embodiments of the present invention provide a microstrip patch antenna and a MIMO antenna, which are applied to the communications field and can reduce a power of a self-interference signal of the antenna. The microstrip patch antenna includes a microstrip patch, a grounding patch, and a dielectric layer located between the microstrip patch and the grounding patch; a first opening groove that runs through the grounding patch is disposed on the grounding patch, a shape of the first opening groove is a combination of a rectangle and an isosceles triangle, one side of the rectangle overlaps a base of the isosceles triangle; the microstrip patch is rectangular, and a symmetry axis that is of the microstrip patch and parallel to a length direction overlaps a symmetry axis of the isosceles triangle; and an overlapping area exists between a projection of the microstrip patch on the dielectric layer and a projection of an isosceles triangle part of the first opening groove on the dielectric layer. The microstrip patch antenna and the MIMO antenna provided in the embodiments of the present invention are applicable to a small cell.

摘要翻译： 本发明的实施例提供了一种微带贴片天线和MIMO天线，其被应用于通信领域并且可以降低天线的自干扰信号的功率。 微带贴片天线包括微带贴片，接地贴片和位于微带贴片和接地贴片之间的电介质层; 穿过接地片的第一开口槽布置在接地片上，第一开槽的形状是矩形和等腰三角形的组合，矩形的一侧与等腰三角形的基部重叠; 微带贴片是矩形的，并且与微带贴片并且平行于长度方向的对称轴与等腰三角形的对称轴重叠; 并且在电介质层上的微带贴片的突起与电介质层上的第一开口槽的等腰三角形部分的突起之间存在重叠区域。 在本发明的实施例中提供的微带贴片天线和MIMO天线适用于小型电池。

公开(公告)号：EP2429087B1

公开(公告)日：2016-07-13

申请号：EP09838580.0

申请日：2009-05-12

申请人： Huawei Technologies Co., Ltd.

发明人： LIU, Sheng

IPC分类号： H04B1/10 ,  H04B7/04 ,  H04L25/03 ,  H04B7/06

CPC分类号： H04L25/03343 ,  H04B7/0413 ,  H04B7/0617 ,  H04L2025/03426

公开(公告)号：EP2996196A1

公开(公告)日：2016-03-16

申请号：EP14817591.2

申请日：2014-03-07

申请人： Huawei Technologies Co., Ltd.

发明人： ZHAI, Huiqing ,  MA, Zhihui ,  LI, Zhenhua ,  LIANG, Changhong ,  YU, Rongdao ,  LIU, Sheng

IPC分类号： H01Q1/52

CPC分类号： H01Q21/30 ,  H01Q1/243 ,  H01Q1/38 ,  H01Q1/521 ,  H01Q5/364 ,  H01Q5/371 ,  H01Q9/04 ,  H01Q9/0421 ,  H01Q21/28

摘要： The present invention provides a multiple-antenna system and a mobile terminal. The multiple-antenna system includes: a planar inverted-F antenna PIFA (10) of a first type, including a metallic ground plane (11), a dielectric plate (12), a radiation patch (13), a probe-type feeding unit (15), and a metallic shorting pin (16), where the radiation patch is located on an upper surface of the dielectric plate and is connected to the metallic ground plane by using the probe-type feeding unit and the metallic shorting pin; a PIFA (30) of a second type, perpendicular to the PIFA (10) of the first type, including a metallic ground plane (31), a radiation patch (33), a feeding unit (36), and a metallic shorted patch (34), where the radiation patch is connected to the metallic ground plane by using the feeding unit and the metallic shorted patch; and an isolation stub (2), located on an edge of a side, close to the PIFA of the second type, of the upper surface of the dielectric plate of the PIFA of the first type. In this way, isolation in the multiple-antenna system meets an operating requirement of the mobile terminal.

摘要翻译： 本发明提供了一种多天线系统和一种移动终端。 该多天线系统包括：第一类型的平面倒F型天线PIFA（10），其包括金属地平面（11），电介质板（12），辐射贴片（13），探针型馈电 单元（15）和金属短路引脚（16），所述辐射贴片位于所述介质板的上表面，并通过所述探针型馈电单元和所述金属短路引脚连接至所述金属地平面; 垂直于第一类PIFA（10）的第二类PIFA（30），包括金属地平面（31），辐射贴片（33），馈电单元（36）和金属短路片 （34），其中所述辐射贴片通过所述馈电单元和所述金属短路贴片连接到所述金属地平面; 以及位于第一类型PIFA的介质板的上表面的靠近第二类型的PIFA的一侧的边缘上的隔离短截线（2）。 这样，多天线系统中的隔离满足移动终端的操作要求。

公开(公告)号：EP2611229B1

公开(公告)日：2015-11-11

申请号：EP11752814.1

申请日：2011-03-01

申请人： Huawei Technologies Co., Ltd.

发明人： LIU, Sheng

IPC分类号： H04W16/00 ,  H04W28/16 ,  H04W88/08 ,  H04W72/12 ,  H04W72/04

CPC分类号： H04W28/0289 ,  H04W72/0486 ,  H04W88/085

公开(公告)号：EP2688363A2

公开(公告)日：2014-01-22

申请号：EP11795118.6

申请日：2011-05-31

申请人： Huawei Technologies Co., Ltd.

发明人： LIU, Sheng

IPC分类号： H04W88/10

CPC分类号： H04W28/085 ,  H04W28/08 ,  H04W36/22 ,  H04W72/0486

摘要： A convergent transmission system includes a data offloading and converging node, a cellular access point, and a wireless local area network (WLAN) access point. The data offloading and converging node is configured to: negotiate with a user equipment (UE) to determine a data offloading policy; according to the data offloading policy determined by negotiating with the UE, use a WLAN radio bearer to transmit a part of user data, where the WLAN radio bearer is a result of configuring a part of radio bearers of a cellular system as WLAN radio links; and use a remaining radio bearer of the cellular system to transmit a remaining part of the user data, where the radio bearers are a radio part of bearer channels of the cellular system, and the bearer channels of the cellular system are created through control plane signaling of the cellular system; the WLAN access point is configured to work with the UE and the data offloading and converging node to transmit the part of the user data; and the cellular access point is configured to work with the UE and the data offloading and converging node to transmit the remaining part of the user data.

摘要翻译： 融合传输系统包括数据分流和融合节点，蜂窝接入点和无线局域网（WLAN）接入点。 数据分流和汇聚节点用于：与用户设备（UE）协商确定数据分流策略; 根据与所述UE协商确定的数据分流策略，使用WLAN无线承载传输部分用户数据，所述WLAN无线承载为将蜂窝系统的部分无线承载配置为WLAN无线链路的结果; 并且使用蜂窝系统的剩余无线电承载来发送剩余部分的用户数据，其中无线电承载是蜂窝系统的承载信道的无线电部分，并且蜂窝系统的承载信道是通过控制平面信令创建的 的蜂窝系统; WLAN接入点被配置为与UE以及数据卸载和汇聚节点一起发送部分用户数据; 并且蜂窝接入点被配置为与UE以及数据卸载和会聚节点一起工作以发送剩余部分的用户数据。

公开(公告)号：EP2611229A1

公开(公告)日：2013-07-03

申请号：EP11752814.1

申请日：2011-03-01

申请人： Huawei Technologies Co., Ltd.

发明人： LIU, Sheng

IPC分类号： H04W16/00

CPC分类号： H04W28/0289 ,  H04W72/0486 ,  H04W88/085

摘要： Embodiments of the present invention disclose a method for transmitting baseband signals. The method includes: when downlink traffic volume in an area among areas covered by multiple remote radio frequency units RRUs is lower than a preset threshold, generating or receiving a group of downlink baseband signals, where the group of downlink baseband signals correspond to all RRUs in the area; and transmitting the group of downlink baseband signals to each RRU in the area, so that each RRU generates downlink radio frequency signals based on the downlink baseband signals and sends the downlink radio frequency signals. Accordingly, the embodiments of the present invention further disclose a method for transmitting baseband signals and a BBU. With the technical solutions, the bandwidth for transmitting baseband signals is greatly lowered, implementation is easy, and complexity of a system is reduced.

摘要翻译： 本发明的实施例公开了一种用于发送基带信号的方法。 该方法包括：当由多个远程射频单元RRU覆盖的区域中的区域中的下行链路业务量低于预设阈值时，生成或接收一组下行链路基带信号，其中下行链路基带信号组对应于所有RRU 该地区 并将该组下行链路基带信号发送到该区域中的每个RRU，使得每个RRU基于下行链路基带信号生成下行链路射频信号，并发送下行链路射频信号。 因此，本发明的实施例还公开了一种用于发送基带信号和BBU的方法。 通过技术方案，传输基带信号的带宽大大降低，实现容易，系统复杂度降低。

公开(公告)号：EP2611054A1

公开(公告)日：2013-07-03

申请号：EP11752815.8

申请日：2011-03-02

申请人： Huawei Technologies Co., Ltd.

发明人： YU, Rongdao ,  LIU, Sheng

IPC分类号： H04L1/06

CPC分类号： H04L1/0054 ,  H04L1/005 ,  H04L1/0066 ,  H04L1/0076 ,  H04L1/0077 ,  H04L2001/0097

摘要： Embodiments of the present invention disclose a receiving method in cooperative communications. The method includes: demodulating a signal transmitted by a first source end that is received to obtain a first log-likelihood ratio; demodulating a signal transmitted by a second source end that is received to obtain a second log-likelihood ratio; demodulating a signal transmitted by a relay node that is received to obtain a third log-likelihood ratio; where, the signal transmitted by the relay node is a signal obtained after the relay node performs network coding on the signal transmitted by the first source end and the signal transmitted by the second source end; based on an exclusive OR feature of network coding, processing the first log-likelihood ratio, the second log-likelihood ratio, and the third log-likelihood ratio to obtain a posterior log-likelihood ratio of the first source end; and decoding the signal transmitted by the first source end that is received by using the posterior log-likelihood ratio of the first source end. Embodiments of the present invention further disclose a receiving apparatus and a system in cooperative communications. By using the technical solutions, network coding is fully utilized to yield diversity gains, and the system performance is improved.

摘要翻译： 本发明的实施例公开了在协作通信的接收方法。 该方法包括：解调的信号反式由第一源端mitted没被接收，得到第一对数似然比; 解调由一个第二源端的信号反mitted没被接收，以获得第二数似然比; 解调由一个中继节点的信号反mitted没被接收，以获得第三数似然比; 其中，由中继节点mitted信号反式是中继节点之后获得的信号对由所述第一源端和由第二源端mitted信号反式mitted信号反式网络编码; 在异或网络编码的特征，处理所述第一对数似然比，所述第二对数似然比和所述第三数似然比以获得第一源端的后验对数似然比根据; 和信号进行解码的反式由第一源端mitted并通过使用所述第一源端的事后对数似然比接收。 本发明实施例还公开了一种接收装置和在协作通信的系统。 通过使用技术解决方案，网络编码被充分利用，获得分集增益，并且提高系统性能。

公开(公告)号：EP2590449A1

公开(公告)日：2013-05-08

申请号：EP11866135.4

申请日：2011-06-21

申请人： Huawei Technologies Co., Ltd.

发明人： LIU, Sheng

IPC分类号： H04W48/18

CPC分类号： H04W48/18 ,  H04W88/06

摘要： The embodiments of the present invention provide a method, an apparatus and a system for establishing communication. The method includes: determining a selection strategy of a wireless access network for establishing communication with a terminal; selecting the wireless access network for establishing communication with the terminal according to the determined selection strategy; and establishing communication between the terminal and the wireless access network according to the signal types supported by the wireless access network and the terminal. The present invention selects the wireless access network for establishing communication with the terminal according to the determined selection strategy, which limits the wireless access network for establishing communication with the terminal, thereby solving the problem in the prior art that the terminal can only passively establish communication with the wireless access network which can establish communication, and promoting the terminal to initiatively select the wireless access network to establish communication therewith.

摘要翻译： 本发明的实施例提供了一种用于建立通信的方法，装置和系统。 该方法包括：确定用于建立与终端的通信的无线接入网络的选择策略; 根据确定的选择策略，选择无线接入网络与终端建立通信; 以及根据由无线接入网络和终端支持的信号类型建立终端与无线接入网之间的通信。 本发明根据确定的选择策略选择无线接入网络，用于建立与终端的通信，限制了无线接入网建立与终端的通信，从而解决了现有技术中终端只能被动地建立通信的问题 利用可建立通信的无线接入网络，促进终端主动选择无线接入网络与其建立通信。