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公开(公告)号：US20160183105A1
公开(公告)日：2016-06-23
申请号：US15054562
申请日：2016-02-26
Applicant: Huawei Technologies Co., Ltd.
Inventor： Hongli Jiang , Huaping Qing , Ping Cao , Qiao Liu , Yu Liu
CPC classification number: H04W24/02 , H04L1/0003 , H04L1/20 , H04L5/143 , H04L5/1469 , H04W72/0473 , H04W72/082 , H04W72/085
Abstract: The present invention relates to the field of network communications, and discloses a duplex mode adaptive method, including: querying the modulation mode configuration table, to obtain a maximum modulation mode of the current duplex mode and a maximum modulation mode of the non-current duplex mode; calculating maximum spectral efficiency of the current duplex mode according to the maximum modulation mode of the current duplex mode; calculating maximum spectral efficiency of the non-current duplex mode according to the maximum modulation mode of the non-current duplex mode; comparing the maximum spectral efficiency of the current duplex mode with the maximum spectral efficiency of the non-current duplex mode, and selecting a duplex mode whose spectral efficiency is greater as a next-step duplex mode; and switching a duplex mode of the wireless communications apparatus to the next-step duplex mode.
Abstract translation: 本发明涉及网络通信领域，并公开了一种双工模式自适应方法，包括：查询调制方式配置表，获得当前双工模式的最大调制方式和非当前双工的最大调制方式 模式; 根据当前双工模式的最大调制方式计算当前双工模式的最大频谱效率; 根据非当前双工模式的最大调制模式计算非当前双工模式的最大频谱效率; 将当前双工模式的最大频谱效率与非当前双工模式的最大频谱效率进行比较，以及选择频谱效率较高的双工模式作为下一步双工模式; 以及将所述无线通信装置的双工模式切换到下一步双工模式。
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公开(公告)号：US10582495B2
公开(公告)日：2020-03-03
申请号：US15964979
申请日：2018-04-27
Applicant: Huawei Technologies Co., Ltd.
Inventor： Meng Cai , Hongli Jiang , Kun Li
Abstract: Embodiments of the present invention provide a data sending and receiving method, an apparatus, and a system. The method can be executed by a microwave device, which includes: obtaining a control word (CW) and a first antenna-carrier (A×C) from a common public radio interface (CPRI) frame; modulating the CW to obtain in-phase/quadrature (I/Q) data of the CW; determining a first timeslot in which the first A×C does not carry antenna-carrier I/Q data; writing a preset synchronization sequence, first information, and a random number in the first timeslot to generate a second A×C; and combining the second A×C with the I/Q data of the CW to generate a microwave air interface frame, and sending the microwave air interface frame in a time division multiplexing manner.
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公开(公告)号：US20180124640A1
公开(公告)日：2018-05-03
申请号：US15859018
申请日：2017-12-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Hongli Jiang , Meng Cai , Kun Li
CPC classification number: H04W28/06 , H04L5/0007 , H04L5/0048 , H04W16/14 , H04W28/0247 , H04W48/12 , H04W72/0453 , H04W88/085
Abstract: The present disclosure discloses a digital fronthaul data transmission method, device, and system, which relate to the communications field and improve system performance of a distributed base station. A specific solution is: a first microwave device receives digital fronthaul data; obtains common information and radio signal information from the digital fronthaul data; performs digital QAM on the common information to obtain I/Q data of the common information; generates a microwave air interface frame in a time division multiplexing manner based on the radio signal information and the I/Q data of the common information, where the radio signal information and the I/Q data of the common information are encapsulated in a payload area of the microwave air interface frame, and a pilot in a microwave overhead and the payload area are arranged at a preset interval in an interleaved manner; and sends the microwave air interface frame.
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公开(公告)号：US09887829B2
公开(公告)日：2018-02-06
申请号：US14983841
申请日：2015-12-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Meng Cai , Huaping Qing , Yu Liu , Hongli Jiang , Qiao Liu
CPC classification number: H04L5/14 , H04L5/0048 , H04L7/0033 , H04L25/0226
Abstract: The present invention discloses an information processing method and apparatus, including: obtaining a local to-be-transmitted signal by using a local transmitter, and inserting first pilots and second pilots, where the first pilots are inserted from a first position of the local to-be-transmitted signal, the second pilots are inserted from a second position of the local to-be-transmitted signal; obtaining a local transmit signal; obtaining a peer transmit signal, where the peer transmit signal is sent after third pilots and fourth pilots are inserted, the third pilots are inserted from a third position of the peer transmit signal, the fourth pilots are inserted from a fourth position of the peer transmit signal, the first pilot is orthogonal to the fourth pilot, and the second pilot is orthogonal to the third pilot; and parsing the local transmit signal and the peer transmit signal by using the local receiver.
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公开(公告)号：US20170019274A1
公开(公告)日：2017-01-19
申请号：US15280046
申请日：2016-09-29
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yu LIU , Cheng HONG , Meng CAI , Hongli Jiang
CPC classification number: H04L25/03 , H04B1/0475 , H04B7/0469 , H04L5/0048 , H04L5/04 , H04L25/08
Abstract: The present invention provides a method. The method includes: performing coupling to acquire a first reference signal and a second reference signal from a transmit signal transmitted on a same transmit link at a transmit end; performing signal recombination according to the first reference signal and the second reference signal, to obtain a first interference cancellation signal and a second interference cancellation signal; enabling the first interference cancellation signal to pass through a simulated interference channel, and enabling the second interference cancellation signal to pass through the simulated interference channel; and coupling and output, to a same receive link at the local receive end, the first interference cancellation signal and the second interference cancellation signal that have passed through the simulated interference channel, and combining the first interference cancellation signal and the second interference cancellation signal with a signal received by the local receive end.
Abstract translation: 本发明提供一种方法。 该方法包括：执行耦合以从发射端在相同发射链路上传输的发射信号获取第一参考信号和第二参考信号; 根据第一参考信号和第二参考信号执行信号复合，以获得第一干扰消除信号和第二干扰消除信号; 使得所述第一干扰消除信号能够通过模拟干扰信道，并且使得所述第二干扰消除信号能够通过所述模拟干扰信道; 并且耦合并输出到本地接收端的相同接收链路，已经通过模拟干扰信道的第一干扰消除信号和第二干扰消除信号，并将第一干扰消除信号和第二干扰消除信号与 由本地接收端接收到的信号。
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Patent Agency Ranking
公开(公告)号：US20180249466A1
公开(公告)日：2018-08-30
申请号：US15964979
申请日：2018-04-27
Applicant: Huawei Technologies Co., Ltd.
Inventor： Meng Cai , Hongli Jiang , Kun Li
IPC: H04W72/04
Abstract: Embodiments of the present invention provide a data sending and receiving method, an apparatus, and a system. The method can be executed by a microwave device, which includes: obtaining a control word (CW) and a first antenna-carrier (A×C) from a common public radio interface (CPRI) frame; modulating the CW to obtain in-phase/quadrature (I/Q) data of the CW; determining a first timeslot in which the first A×C does not carry antenna-carrier I/Q data; writing a preset synchronization sequence, first information, and a random number in the first timeslot to generate a second A×C; and combining the second A×C with the I/Q data of the CW to generate a microwave air interface frame, and sending the microwave air interface frame in a time division multiplexing manner.
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公开(公告)号：US09496957B2
公开(公告)日：2016-11-15
申请号：US14573486
申请日：2014-12-17
Applicant: Huawei Technologies Co., Ltd.
Inventor： Wei Su , Chiwu Ding , Qiuyou Wu , Huaping Qing , Yao Shen , Hongli Jiang , Jianying Wei
CPC classification number: H04B10/27 , H04J3/1652 , H04J3/1694 , H04L27/2601 , H04Q2213/1301
Abstract: Embodiments of the present invention provide a method and an apparatus for allocating optical spectrum bandwidth resources. The method includes: first determine bandwidth of an OTUbase according to optical-layer frequency grid bandwidth and carrier spectrum efficiency; then construct an HO OTUflex according to bandwidth of customer service data and the bandwidth of the OTUbase, bandwidth of the HO OTUflex is a first integer multiple of the bandwidth of the OTUbase; map the customer service data into a payload area of the HO OTUflex and encapsulate overhead information; at last, modulate the HO OTUflex that carries the customer service data to a second integer number of optical channel carriers. The embodiments of the present invention apply to a scenario where customer service data is transported.
Abstract translation: 本发明的实施例提供了一种用于分配光谱带宽资源的方法和装置。 该方法包括：首先根据光层频率网格带宽和载波频谱效率确定OTUbase的带宽; 然后根据客户服务数据的带宽和OTUbase的带宽构建一个HO OTUflex，HO OTUflex的带宽是OTUbase带宽的第一个整数倍; 将客户服务数据映射到HO OTUflex的有效载荷区域并封装开销信息; 最后，将携带客户业务数据的HO OTUflex调制为第二个整数个光信道载波。 本发明的实施例适用于传送客户服务数据的场景。
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公开(公告)号：US20160112179A1
公开(公告)日：2016-04-21
申请号：US14983841
申请日：2015-12-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Meng Cai , Huaping Qing , Yu Liu , Hongli Jiang , Qiao Liu
CPC classification number: H04L5/14 , H04L5/0048 , H04L7/0033 , H04L25/0226
Abstract: The present invention discloses an information processing method and apparatus, including: obtaining a local to-be-transmitted signal by using a local transmitter, and inserting first pilots and second pilots, where the first pilots are inserted from a first position of the local to-be-transmitted signal, the second pilots are inserted from a second position of the local to-be-transmitted signal; obtaining a local transmit signal; obtaining a peer transmit signal, where the peer transmit signal is sent after third pilots and fourth pilots are inserted, the third pilots are inserted from a third position of the peer transmit signal, the fourth pilots are inserted from a fourth position of the peer transmit signal, the first pilot is orthogonal to the fourth pilot, and the second pilot is orthogonal to the third pilot; and parsing the local transmit signal and the peer transmit signal by using the local receiver.
Abstract translation: 本发明公开了一种信息处理方法和装置，包括：通过使用本地发射机获得本地发送信号，并插入第一导频和第二导频，其中第一导频从本地的第一位置插入到 所述第二导频从所述本地待发射信号的第二位置插入; 获得本地发送信号; 获取对等体发送信号，其中在第三导频和第四导频插入之后发送对等体发射信号，从对等体发射信号的第三位置插入第三导频，从对等体传输的第四位置插入第四导频 信号，第一导频与第四导频正交，第二导频与第三导频正交; 以及通过使用本地接收机解析本地发送信号和对等体发送信号。
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公开(公告)号：US11895522B2
公开(公告)日：2024-02-06
申请号：US17313531
申请日：2021-05-06
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Meng Cai , Kun Li , Jiantao Ma , Ping Cao , Hongli Jiang
IPC: H04W24/10 , H04B17/336 , H04L5/00
CPC classification number: H04W24/10 , H04B17/336 , H04L5/0048
Abstract: A method includes: A first device sends a first signal to a second device, where the first signal includes a first transmit signal and a first pilot signal; the first device obtains a second signal, where the second signal includes a first self-interference signal, a second pilot signal, and a second receive signal from the second device; the first device extracts jitter information of the first self-interference signal based on the first pilot signal and the second pilot signal; the first device reconstructs a self-interference signal based on the first transmit signal and the jitter information of the first self-interference signal, to obtain a cancellation signal of the first self-interference signal; and the first device cancels the first self-interference signal from the second receive signal based on the cancellation signal of the first self-interference signal.
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公开(公告)号：US09813923B2
公开(公告)日：2017-11-07
申请号：US15054562
申请日：2016-02-26
Applicant: Huawei Technologies Co., Ltd.
Inventor： Hongli Jiang , Huaping Qing , Ping Cao , Qiao Liu , Yu Liu
CPC classification number: H04W24/02 , H04L1/0003 , H04L1/20 , H04L5/143 , H04L5/1469 , H04W72/0473 , H04W72/082 , H04W72/085
Abstract: The present invention relates to the field of network communications, and discloses a duplex mode adaptive method, including: querying the modulation mode configuration table, to obtain a maximum modulation mode of the current duplex mode and a maximum modulation mode of the non-current duplex mode; calculating maximum spectral efficiency of the current duplex mode according to the maximum modulation mode of the current duplex mode; calculating maximum spectral efficiency of the non-current duplex mode according to the maximum modulation mode of the non-current duplex mode; comparing the maximum spectral efficiency of the current duplex mode with the maximum spectral efficiency of the non-current duplex mode, and selecting a duplex mode whose spectral efficiency is greater as a next-step duplex mode; and switching a duplex mode of the wireless communications apparatus to the next-step duplex mode.
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