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公开(公告)号：US11943088B2
公开(公告)日：2024-03-26
申请号：US17882198
申请日：2022-08-05
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Branislav M. Popovic , Peng Wang , Fredrik Berggren
CPC classification number: H04L27/2613 , H04L5/0051 , H04L25/0226
Abstract: The present disclosure relates to reference signal design methods and devices. In one example method, a first communication device obtains at least one sequence from a subset of sequences in a set of sequences and obtains at least one reference signal based on the obtained at least one sequence. The sequence is phase rotated during its generation, phase rotated in the frequency domain, or cyclically shifted in the time domain based on a constant value Δq. The first communication device transmits the reference signal to a second communication device.
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22.发明申请公开(公告)号：US20210143965A1
公开(公告)日：2021-05-13
申请号：US17152457
申请日：2021-01-19
Applicant: Huawei Technologies Co., Ltd.
Inventor： Alberto Giuseppe Perotti , Branislav M. Popovic
Abstract: The invention relates to a transmitter device and a receiver device for efficient transmission of information messages. The transmitter device superposes a selected subset of columns of a projection matrix based on an information message so as to obtain a signal for transmission. The signal is transmitted to the receiver device. The receiver device performs iterative successive interference cancellation on a received signal based on a projection matrix so as to obtain a subset of the columns of the projection matrix and therefrom obtains a recovered information message based on the subset of the columns of the projection matrix. Thereby, it is provided a sparse superposition coding scheme with quasi-orthogonal projection matrix achieving good performance in respect of spectral efficiency. Furthermore, the invention also relates to corresponding methods and a computer program.
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公开(公告)号：US10411754B2
公开(公告)日：2019-09-10
申请号：US15858756
申请日：2017-12-29
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Anahid Robert Safavi , Alberto Giuseppe Perotti , Branislav M. Popovic
Abstract: A transmitter apparatus in a wireless communication system that includes a processor. In one embodiment, the processor is configured to receive at least one modulated data message and spread the at least one modulated data message into a transmission signal using a low density signature matrix. The low density signature matrix is a cycle-free signature matrix. A receiver apparatus is configured to receive the transmission signal and detect within the received transmission signal at least one modulated data message. The processor is configured to detect the at least one modulated data message in one iteration using the cycle-free signature matrix.
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公开(公告)号：US10128983B2
公开(公告)日：2018-11-13
申请号：US15377688
申请日：2016-12-13
Applicant: Huawei Technologies Co., Ltd.
Inventor： Anahid Robert Safavi , Branislav M. Popovic
Abstract: The present disclosure relates to transmitter and receiving devices for wireless communication, where the transmitter device comprises a transceiver configured to receive at least one stream of information bits; and further comprises a processor configured to encode said at least one stream of information bits using at least one error correction code to obtain at least one mother code word having a mother code rate RM; obtain a shortened code word or extended code word based on the determination of whether the mother code rate RM is smaller than a transmission code rate RTx; modulate said shortened or extended code word to obtain modulated symbols; wherein said transceiver is further configured to transmit a signal comprising said modulated symbols over a radio channel of the wireless communication system. Furthermore, the present disclosure also relates to corresponding methods, a computer program, and a computer program product.
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公开(公告)号：US20160269214A1
公开(公告)日：2016-09-15
申请号：US15162922
申请日：2016-05-24
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Branislav M. Popovic , Alberto Giuseppe Perotti
CPC classification number: H04L27/3416 , H03M13/256 , H03M13/2739 , H03M13/2957 , H03M13/6325 , H04L1/0047 , H04L1/006 , H04L1/0071
Abstract: The present patent application relates to a transmission method and corresponding receiving methods. The transmission method comprises: selecting K number of data streams for transmission, wherein each data stream comprises one or more data messages; and independently for each data stream k=0, . . . , K−1: encoding and modulating data messages of the kth data stream using a Trellis Coded Modulation, TCM, scheme TCMk, interleaving the encoded and modulated data messages of the k-th data stream by using a stream specific interleaver Πk, scrambling the interleaved data messages of the k-th data stream by using a stream specific scrambling sequence; combining all scrambled data messages of the K number of data streams into at least one transmission signal s(l); and transmitting the at least one transmission signal s(l) over a radio channel of the wireless communication system.
Abstract translation: 本专利申请涉及传输方法和相应的接收方法。 传输方法包括：选择K个数据流进行传输，其中每个数据流包括一个或多个数据消息; 并且对于每个数据流k = 0独立地。 。 。 ，K-1：使用网格编码调制，TCM，方案TCMk对第k个数据流的数据消息进行编码和调制，通过使用流特定交织器Πk对第k个数据流的编码和调制数据消息进行交织， 使用流专用加扰序列对第k个数据流的交错数据消息; 将所述K个数据流的所有加扰数据消息组合成至少一个传输信号s（1）; 以及通过所述无线通信系统的无线电信道发射所述至少一个传输信号s（1）。
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Patent Agency Ranking
26.发明申请公开(公告)号：US20160242131A1
公开(公告)日：2016-08-18
申请号：US15140853
申请日：2016-04-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Branislav M. Popovic , Fredrik Berggren
CPC classification number: H04W56/002 , H04B1/7073 , H04J13/0062 , H04J13/0074 , H04J2211/006 , H04L5/0053 , H04L27/2613 , H04L27/2636 , H04L27/2692
Abstract: A transmitter and a method therein, configured for generating a synchronization signal for Device-to-Device (D2D) communication utilizing a Single Carrier-Frequency Division Multiple Access (SC-FDMA) waveform, wherein a synchronization sequence is modulating a set of subcarriers. The transmitter comprises: a processor, configured for determining a synchronization sequence du[l], where |du[l]|=|du[L−1−l]|, l=0, 1, . . . , L−1, and |du[l]|=K, for a positive constant K wherein u is a root index and L is the length of the synchronization sequence du [l]; and also configured for selecting the root index u from a set of root indices; and in addition configured for generating the synchronization signal, based on the determined synchronization sequence du[l] and the selected root index u.Also, a receiver configured for detecting a received synchronization signal for D2D communications utilizing an SC-FDMA waveform is disclosed.
Abstract translation: 一种发射机及其方法，被配置为利用单载波频分多址（SC-FDMA）波形产生用于设备到设备（D2D）通信的同步信号，其中同步序列正在调制一组子载波。 发射机包括：处理器，被配置为确定同步序列du [1]，其中| du [l] | = | du [L-1-l] |，l = 0,1。 。 。 对于正常数K，其中u是根指数，L是同步序列du [l]的长度，L-1和| du [l] | = K。 并且还被配置为从一组根指数中选择根指数u; 并且还被配置为基于所确定的同步序列du [1]和所选择的根索引u来生成同步信号。 此外，公开了一种用于利用SC-FDMA波形来检测用于D2D通信的接收同步信号的接收机。
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公开(公告)号：US20250150131A1
公开(公告)日：2025-05-08
申请号：US19017925
申请日：2025-01-13
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Peng Wang , Majid Nasiri Khormuji , Branislav M. Popovic
IPC: H04B7/06
Abstract: A communication device may be used in a communication system. The communication device includes a set of antenna elements arranged in an antenna aperture. The communication device determines a transformation matrix T based on a coupling matrix C, which includes coupling coefficients between each antenna element in the set of antenna elements. By multiplying the transformation matrix T with a first beamforming matrix f1 a second beamforming matrix f2 is obtained. Based on the second beamforming matrix f2 the communication device transmits a communication signal x via the set of antenna elements in a wireless channel.
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公开(公告)号：US20250015843A1
公开(公告)日：2025-01-09
申请号：US18886525
申请日：2024-09-16
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Alberto Giuseppe Perotti , Branislav M. Popovic
IPC: H04B7/0413 , H04L1/00
Abstract: Embodiments of the invention relate to a first communication device that maps a set of MIMO layers (M1, . . . , ML) into two or more subsets of MIMO layers (S1, . . . , SG)based on a modulation for each MIMO layer (Ml) and selects a modulation and coding scheme (MCS) for the set of MIMO layers (M1, . . . , ML) based on a code rate RC for a code word C and/or a modulation for a subset of MIMO layers (Sg). Further, the first communication device transmits the code word C on the set of MIMO layers (M1, . . . , ML) to a second communication device based on the selected MCS and transmits control information indicating the selected MCS and a result of the mapping of the set of MIMO layers (M1, . . . , ML) to the second communication device. The first communication device can thereby provide better protection of the systematic bits of the code word.
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29.发明授权公开(公告)号：US11956107B2
公开(公告)日：2024-04-09
申请号：US17370444
申请日：2021-07-08
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Branislav M. Popovic , Peng Wang , Fredrik Berggren
IPC: H04L27/26 , H04J13/00 , H04L5/00 , H04W72/0446 , H04W72/0453 , H04W74/00 , H04W74/0833
CPC classification number: H04L27/2613 , H04J13/0062 , H04L5/0041 , H04W72/0446 , H04W72/0453 , H04W74/008 , H04W74/0841
Abstract: The invention relates to a client device (100) and a network access node (300) for transmitting and receiving a random access preamble. The modulation sequence for the random access preamble is based on a first sequence and a second sequence. The first sequence is a sequence from a set of near-orthogonal sequences and the second sequence is a sequence from a set of constant envelope sequences. Due to its construction, the random access preamble herein provides low PAPR and suppresses the side-lobes in its auto-correlation function while producing a set of preambles with low cross-correlation. Furthermore, the invention also relates to corresponding methods and a computer program.
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30.发明授权公开(公告)号：US11863491B2
公开(公告)日：2024-01-02
申请号：US17152457
申请日：2021-01-19
Applicant: Huawei Technologies Co., Ltd.
Inventor： Alberto Giuseppe Perotti , Branislav M. Popovic
CPC classification number: H04L5/0053 , H04L1/0057 , H04L1/0071
Abstract: The invention relates to a transmitter device and a receiver device for efficient transmission of information messages. The transmitter device superposes a selected subset of columns of a projection matrix based on an information message so as to obtain a signal for transmission. The signal is transmitted to the receiver device. The receiver device performs iterative successive interference cancellation on a received signal based on a projection matrix so as to obtain a subset of the columns of the projection matrix and therefrom obtains a recovered information message based on the subset of the columns of the projection matrix. Thereby, it is provided a sparse superposition coding scheme with quasi-orthogonal projection matrix achieving good performance in respect of spectral efficiency. Furthermore, the invention also relates to corresponding methods and a computer program.
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