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公开(公告)号：US10028302B2
公开(公告)日：2018-07-17
申请号：US13790673
申请日：2013-03-08
Applicant: Huawei Technologies Co., Ltd.
Inventor： Kelvin Kar Kin Au , Hosein Nikopour , Petar Djukic , Zhihang Yi , Alireza Bayesteh , Jianglei Ma , Mohammadhadi Baligh , Liqing Zhang
Abstract: A method embodiment includes implementing, by a base station (BS), a grant-free uplink transmission scheme. The grant-free uplink transmission scheme defines a first contention transmission unit (CTU) access region in a time-frequency domain, defines a plurality of CTUs, defines a default CTU mapping scheme by mapping at least some of the plurality of CTUs to the first CTU access region, and defines a default user equipment (UE) mapping scheme by defining rules for mapping a plurality of UEs to the plurality of CTUs.
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公开(公告)号：US20170317799A1
公开(公告)日：2017-11-02
申请号：US15655362
申请日：2017-07-20
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zhihang Yi , Hosein Nikopour , Alireza Bayesteh
CPC classification number: H04L5/0016 , H04L5/0048 , H04L27/0006
Abstract: Disclosed herein are an active resource unit detector and a method of use thereof. An embodiment method of detecting active resource units among a plurality of potential resource units includes receiving an aggregate signal containing active pilots transmitted over the active resource units via random access transmissions. The active pilots are then detected and respectively associated with the active resource units according to a pilot-to-resource unit mapping.
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公开(公告)号：US09780986B2
公开(公告)日：2017-10-03
申请号：US15408002
申请日：2017-01-17
Applicant: Huawei Technologies Co., Ltd.
Inventor： Usa Vilaipornsawai , Jianglei Ma , Hosein Nikopour
CPC classification number: H04L27/2617 , H04J13/10 , H04W4/70
Abstract: A method for generating a virtual codebook of low peak to average power ratio (PAPR) sequences includes generating a plurality of low PAPR combination block sequences, with each low PAPR combination block sequence including at least one of a plurality of sparse codebook, and applying time domain hopping to the plurality of low PAPR combination block sequences, thereby producing a virtual codebook. The method also includes storing the virtual codebook.
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公开(公告)号：US09692550B2
公开(公告)日：2017-06-27
申请号：US13688926
申请日：2012-11-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Alireza Bayesteh , Hosein Nikopour , Jianglei Ma
CPC classification number: H04L1/0001
Abstract: Systems, methods, and apparatuses for providing waveform adaptation are provided. In an example, a method is provided for identifying a plurality of candidate waveforms, and selecting one of the candidate waveforms for data transmission. The candidate waveforms may be identified in accordance with one or more criteria, such as a transmission capability of the transmitting device, a reception capability of the receiving device, a desired Peak-to-Average-Power-Ratio (PAPR) characteristic, adjacent channel interference (ACI) rejection requirements, spectrum localization requirements, and other criteria. The waveform selected for data transmission may be selected in accordance with one or more waveform selection criteria, such as traffic characteristic, application types, etc.
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75.发明申请公开(公告)号：US20170064645A1
公开(公告)日：2017-03-02
申请号：US15205599
申请日：2016-07-08
Applicant: Huawei Technologies Co., Ltd.
Inventor： Mahmoud Taherzadeh Boroujeni , Alireza Bayesteh , Hosein Nikopour
CPC classification number: H04W52/18 , H04B1/69 , H04B7/0465 , H04L1/0003 , H04L1/0009 , H04W52/0206 , H04W52/143 , H04W52/16 , H04W52/286 , Y02D70/126 , Y02D70/1262 , Y02D70/14 , Y02D70/142 , Y02D70/144 , Y02D70/166 , Y02D70/26
Abstract: A method for operating a transmission point includes determining power offset levels of data layers assigned to at least one reception point, encoding a first data stream associated with a first data layer to produce a first encoded data, encoding a second data stream associated with a second data layer to produce a second encoded data, and transmitting the first and second encoded data at different power offset levels.
Abstract translation: 一种用于操作传输点的方法包括确定分配给至少一个接收点的数据层的功率偏移水平，对与第一数据层相关联的第一数据流进行编码以产生第一编码数据，对与第二数据层相关联的第二数据流进行编码 数据层以产生第二编码数据，以及以不同的功率偏移水平发射第一和第二编码数据。
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Patent Agency Ranking
76.发明申请公开(公告)号：US20170054483A1
公开(公告)日：2017-02-23
申请号：US15345174
申请日：2016-11-07
Applicant: Huawei Technologies Co., Ltd.
CPC classification number: H04B7/0456 , H03M13/616 , H04B1/707 , H04B7/0482 , H04B7/0617 , H04J11/0026 , H04J11/004 , H04L5/0007 , H04L5/0016 , H04L25/03929 , H04L25/03942 , H04L27/3444
Abstract: A method for generating a codebook includes applying a unitary rotation to a baseline multidimensional constellation to produce a multidimensional mother constellation, wherein the unitary rotation is selected to optimize a distance function of the multidimensional mother constellation, and applying a set of operations to the multidimensional mother constellation to produce a set of constellation points. The method also includes storing the set of constellation points as the codebook of the plurality of codebooks.
Abstract translation: 一种用于产生码本的方法包括将基本单维旋转应用于基线多维星座以产生多维母星座，其中选择单位旋转以优化多维母星座的距离函数，并将一组运算应用于多维母体 星座产生一组星座点。 该方法还包括将该组星座点存储为多个码本的码本。
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公开(公告)号：US09577703B2
公开(公告)日：2017-02-21
申请号：US15147241
申请日：2016-05-05
Applicant: Huawei Technologies Co., Ltd.
Inventor： Mohammadhadi Baligh , Hosein Nikopour , Alireza Bayesteh
IPC: H04B1/707 , H04B1/709 , H04J13/00 , H04B1/7105
CPC classification number: H04B1/709 , H04B1/707 , H04B1/71052 , H04J13/0007
Abstract: In one embodiment, a method for blindly detecting low density activity includes receiving, by a first node from a second node, a signal and executing a joint message passing algorithm (JMPA) on the signal, where executing the JMPA includes jointly producing a decoded signal and an activity list in accordance with the decoded signal, and calculating a plurality of a priori probabilities in accordance with a plurality of log likelihood ratios (LLRs) corresponding to the signal and a plurality of decoded LLRs.
Abstract translation: 在一个实施例中，用于盲目检测低密度活动的方法包括：从第二节点的第一节点接收信号并对该信号执行联合消息传递算法（JMPA），其中执行JMPA包括共同产生解码信号 以及根据解码信号的活动列表，以及根据对应于该信号和多个解码的LLR的多个对数似然比（LLR）来计算多个先验概率。
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公开(公告)号：US20160323911A1
公开(公告)日：2016-11-03
申请号：US15204751
申请日：2016-07-07
Applicant: Huawei Technologies Co., Ltd.
Inventor： Kelvin Kar Kin Au , Hosein Nikopour , Petar Djukic , Zhihang Yi , Alireza Bayesteh , Jianglei Ma , Mohammadhadi Baligh , Liqing Zhang
Abstract: A method embodiment includes implementing, by a base station (BS), a grant-free uplink transmission scheme. The grant-free uplink transmission scheme defines a first contention transmission unit (CTU) access region in a time-frequency domain, defines a plurality of CTUs, defines a default CTU mapping scheme by mapping at least some of the plurality of CTUs to the first CTU access region, and defines a default user equipment (UE) mapping scheme by defining rules for mapping a plurality of UEs to the plurality of CTUs.
Abstract translation: 方法实施例包括由基站（BS）实现无授权的上行链路传输方案。 无授权的上行链路传输方案定义时域中的第一争用传输单元（CTU）接入区，定义多个CTU，通过将多个CTU中的至少一些映射到第一个CTU来定义默认CTU映射方案 CTU接入区域，并且通过定义用于将多个UE映射到多个CTU的规则来定义默认用户设备（UE）映射方案。
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公开(公告)号：US20160254937A1
公开(公告)日：2016-09-01
申请号：US14633965
申请日：2015-02-27
Applicant: Huawei Technologies Co., Ltd
CPC classification number: H04L27/2649 , H04L1/005 , H04L1/0054 , H04L1/0055
Abstract: Systems and methods of low complexity SCMA/LDS detection are disclosed by performing a detection algorithm such as a Message Passing Algorithm (MPA) in a receiver only over selective sub-graphs of a corresponding full factor graph representative of multiplexed codes for the multiple access code system.
Abstract translation: 通过仅在接收机中通过执行诸如消息传递算法（MPA）的检测算法来发现低复杂度SCMA / LDS检测的系统和方法，仅通过代表多路访问码的多路复用码的对应全因子图的选择性子图 系统。
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公开(公告)号：US20160248472A1
公开(公告)日：2016-08-25
申请号：US15147241
申请日：2016-05-05
Applicant: Huawei Technologies Co., Ltd.
Inventor： Mohammadhadi Baligh , Hosein Nikopour , Alireza Bayesteh
IPC: H04B1/709 , H04B1/7105
CPC classification number: H04B1/709 , H04B1/707 , H04B1/71052 , H04J13/0007
Abstract: In one embodiment, a method for blindly detecting low density activity includes receiving, by a first node from a second node, a signal and executing a joint message passing algorithm (JMPA) on the signal, where executing the JMPA includes jointly producing a decoded signal and an activity list in accordance with the decoded signal, and calculating a plurality of a priori probabilities in accordance with a plurality of log likelihood ratios (LLRs) corresponding to the signal and a plurality of decoded LLRs.
Abstract translation: 在一个实施例中，用于盲目检测低密度活动的方法包括：从第二节点的第一节点接收信号并对该信号执行联合消息传递算法（JMPA），其中执行JMPA包括共同产生解码信号 以及根据解码信号的活动列表，以及根据对应于该信号和多个解码的LLR的多个对数似然比（LLR）来计算多个先验概率。
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