-
公开(公告)号：US09215037B2
公开(公告)日：2015-12-15
申请号：US14561220
申请日：2014-12-05
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Rongdao Yu , Sheng Liu
CPC classification number: H04L1/0054 , H04L1/005 , H04L1/0066 , H04L1/0076 , H04L1/0077 , H04L2001/0097
Abstract: The application provides a receiving method in cooperative communications. A signal-receiving node demodulates a first signal received from a local end to obtain a first log-likelihood ratio. The signal-receiving node further demodulates a second signal received from a relay node to obtain a second log-likelihood ratio. The second signal is a signal obtained by the relay node through network coding the first signal and a third signal received from a peer end. The signal-receiving node calculates a prior log-likelihood ratio according to the first log-likelihood ratio and the second log-likelihood ratio, and decodes the second signal by using the prior log-likelihood ratio to obtain the third signal.
Abstract translation: 该应用程序提供了一种合作通信中的接收方法。 信号接收节点解调从本端接收到的第一信号以获得第一对数似然比。 信号接收节点进一步解调从中继节点接收的第二信号，以获得第二对数似然比。 第二信号是由中继节点通过对第一信号进行网络编码而获得的信号和从对端接收到的第三信号。 信号接收节点根据第一对数似然比和第二对数似然比计算先验对数似然比，并且通过使用先前的对数似然比对第二信号进行解码以获得第三信号。
-
公开(公告)号：US20150222342A1
公开(公告)日：2015-08-06
申请号：US14689402
申请日：2015-04-17
Applicant: Huawei Technologies Co., Ltd.
Inventor： Sheng Liu , Rui Wang , Rongdao Yu
IPC: H04B7/04
CPC classification number: H04B7/0456 , H04B7/024 , H04B7/0404 , H04B7/0413 , H04B7/0452 , H04B7/0617 , H04L1/00
Abstract: The present invention provides a signal transmission method, system, and device, where the method includes: setting K virtual users, where each virtual user is associated with one base station; obtaining base station precode and user precode corresponding to each of the K virtual users; splitting a baseband signal to the K virtual users, and obtaining a split baseband signal corresponding to each of the K virtual users; processing, according to the base station precode and the user precode corresponding to each virtual user, the split baseband signal corresponding to each virtual user, and obtaining an uplink signal corresponding to each virtual user; and obtaining timing advances {t1, t2, . . . , tK} of base stations corresponding to the K virtual users, and when max(t1, t2, . . . , tK)−min(t1, t2, . . . , tK)
Abstract translation: 本发明提供了一种信号传输方法，系统和装置，其中所述方法包括：设置每个虚拟用户与一个基站相关联的K个虚拟用户; 获取与每个K个虚拟用户对应的基站预编码和用户密码; 将基带信号分解给所述K个虚拟用户，以及获得与所述K个虚拟用户中的每一个相对应的分离基带信号; 根据与每个虚拟用户相对应的基站预编码和用户预编码，对应于每个虚拟用户的分离基带信号，并获得与每个虚拟用户对应的上行链路信号; 并获得定时提前{t1，t2，...。 。 。 ，tK}，当max（t1，t2，...，tK）-min（t1，t2，...，tK）
-
公开(公告)号：US08873657B2
公开(公告)日：2014-10-28
申请号：US14026865
申请日：2013-09-13
Applicant: Huawei Technologies Co., Ltd.
Inventor： Sheng Liu , Rongdao Yu , Rui Wang
CPC classification number: H04B10/116 , H04B7/0413 , H04B7/0617 , H04B10/40 , H04L5/0023 , H04L27/0008 , H04L27/2605 , H04L27/2697
Abstract: Embodiments of the present invention disclose a data transmission method and a related device and system. A data transmission method includes: A transmitter performs scrambling, constellation modulation, and multiple-input multiple-output precoding processing sequentially on downlink user data to obtain a precoded symbol sequence; performs time-frequency resource mapping on the precoded symbol sequence to obtain frequency domain data of an OFDM symbol; performs conjugate symmetric extension and IFFT on the frequency domain data of the OFDM symbol to obtain a time domain real-number sequence; performs CP insertion processing on the time domain real-number sequence to form a first downlink time domain baseband signal; loads the first downlink time domain baseband signal onto a direct current of a LED lighting circuit to form a LED driving electrical signal; and converts the LED driving electrical signal into a visible beam of the LED for transmission.
Abstract translation: 本发明的实施例公开了一种数据传输方法及相关设备和系统。 数据传输方法包括：发射机在下行用户数据上顺序执行加扰，星座调制和多输入多输出预编码处理，以获得预编码符号序列; 对预编码符号序列执行时频资源映射，以获得OFDM符号的频域数据; 对OFDM符号的频域数据进行共轭对称扩展和IFFT，以获得时域实数序列; 对时域实数序列执行CP插入处理，形成第一下行链路时域基带信号; 将第一下行链路时域基带信号加载到LED照明电路的直流电流上以形成LED驱动电信号; 并将LED驱动电信号转换成LED的可见光束以进行透射。
-
44.发明授权Data transmission method, transmitter and receiver in coordinated communication system 有权数据传输方式，协调通信系统中的发射机和接收机公开(公告)号：US08731095B2
公开(公告)日：2014-05-20
申请号：US13760912
申请日：2013-02-06
Applicant: Huawei Technologies Co., Ltd.
Inventor： Rongdao Yu , Eddy Chiu , Kinnang Lau , Huang Huang
IPC: H04B7/04
CPC classification number: H04B7/0456 , H04B7/024 , H04J11/0033
Abstract: The present invention provides a data transmission method, a transmitter, and a receiver in a coordinated communication system, including: precoding, by a first transmitter, its payload data by using a first precoding matrix to obtain first precoded data; precoding, by the first transmitter, coordinated data by using a second precoding matrix to obtain second precoded data to cancel interference with the first precoded data at a receiver caused by data transmitted by another transmitter; and transmitting the first precoded data and the second precoded data after the precoding to the receiver. According to the method, the first transmitter codes its payload data by using the first precoding matrix; and codes the coordinated data by using the second precoding matrix to cancel, by using different precoding matrices, the interference with the first precoded data at the receiver caused by the data transmitted by another transmitter.
Abstract translation: 本发明提供一种协调通信系统中的数据传输方法，发射机和接收机，包括：通过使用第一预编码矩阵，由第一发射机对其有效载荷数据进行预编码，以获得第一预编码数据; 由所述第一发射机预编码，通过使用第二预编码矩阵来获得第二预编码数据，以消除由由另一发射机发送的数据引起的由接收机引起的第一预编码数据的干扰; 以及在所述预编码之后将所述第一预编码数据和所述第二预编码数据发送到所述接收机。 根据该方法，第一发射机通过使用第一预编码矩阵对其有效载荷数据进行编码; 并且通过使用第二预编码矩阵对协调数据进行编码，以通过使用不同的预编码矩阵来消除由由另一发射机发送的数据引起的接收机处的第一预编码数据的干扰。
-
公开(公告)号：US12200650B2
公开(公告)日：2025-01-14
申请号：US17487948
申请日：2021-09-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yu Wang , Rong Li , Xian Meng , Bin Wang , Rongdao Yu , Yinggang Du
Abstract: User equipment receives at least one TAC that is broadcast by a network device, where the TAC includes geographical location information, and the geographical location information is used to indicate a geographical location of a preset location point in a TA corresponding to the TAC. The user equipment determines, based on the TAC and a tracking area list (TAL), whether the TAL needs to be updated. If it is determined that the TAL needs to be updated, the user equipment sends a tracking area update request to the network device. The user equipment receives a response message, of the tracking area update request, returned by the network device.
-
Patent Agency Ranking
公开(公告)号：US11968028B2
公开(公告)日：2024-04-23
申请号：US17346658
申请日：2021-06-14
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xueqiang Yan , Rongdao Yu
CPC classification number: H04B7/18513 , H04W8/18 , H04W8/26 , H04W60/00
Abstract: Examples in this application disclose satellite network communication methods, communications apparatuses, and communications systems. One example method includes determining, by a user device, address information of the user device, where the address information includes a second sub-area identifier and a user device identifier (UDID) of the user device, and the second EID indicates a second sub-area which the user device is currently located in, and the second sub-area is one of a plurality of sub-areas divided from earth surface, and sending, by the user device, the address information to a first satellite.
-
公开(公告)号：US10659271B2
公开(公告)日：2020-05-19
申请号：US16225220
申请日：2018-12-19
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yi Wang , Rongdao Yu , Sainan Li
Abstract: The present disclosure provides a signal processing method, including: performing discrete Fourier transform (DFT) on a data symbol block including M data symbols, where the M data symbols obtained after the DFT belong to K carriers, and at least two adjacent carriers in the K carriers are non-contiguous on a spectrum; or the M data symbols obtained after the DFT belong to K resource blocks of one carrier, and at least two adjacent resource blocks in the K resource blocks are non-contiguous on a spectrum; mapping the M symbols obtained after the DFT to M subcarriers corresponding to inverse fast Fourier transformation IFFT; and performing N-order IFFT on a plurality of mapped symbols.
-
公开(公告)号：US10470056B2
公开(公告)日：2019-11-05
申请号：US15703277
申请日：2017-09-13
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yingtao Li , Rongdao Yu
IPC: H04W4/00 , H04W16/32 , H04W48/08 , H04W52/00 , H04W56/00 , H04W76/00 , H04W24/02 , H04B1/3818 , H04L5/14 , H04L12/24 , H04W84/04 , H04W88/04 , H04W8/18
Abstract: A communication control method is disclosed, including: connecting, by a small cell by using a built-in soft SIM card or an inserted SIM card, to a Uu air interface of a macro cell to access the macro cell; after receiving a broadcast synchronization signal of the macro cell, synchronizing, by the small cell, with the macro cell, and acquiring configuration information of the macro cell; and performing, by the small cell, system configuration for the small cell according to the configuration information of the macro cell. A SIM card is added to the small cell, so that the small cell can access a macro cell in a terminal form, which is equivalent to addition of a Uu air interface between the small cell and the macro cell. Therefore, configuration management, performance optimization, admissible subscriber configuration, and the like are implemented for the small cell by using this air interface.
-
公开(公告)号：US10412637B2
公开(公告)日：2019-09-10
申请号：US15852903
申请日：2017-12-22
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Rongdao Yu
Abstract: The present disclosure provides a handover method for grant-free transmission, a terminal device, and a network device. The handover method includes: sending, by a first network device, a handover request message to a second network device to request to hand over a terminal device from the first network device to the second network device to perform grant-free transmission; receiving, by the first network device, a handover request acknowledgement message sent by the second network device to acknowledge handing over the terminal device from the first network device to the second network device to perform grant-free transmission; and sending, by the first network device, a handover instruction message to the terminal device to instruct the terminal device to transmit a signal to the second network device on a CTU resource in a grant-free transmission mode.
-
公开(公告)号：US10327140B2
公开(公告)日：2019-06-18
申请号：US15583587
申请日：2017-05-01
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yingtao Li , Rongdao Yu
Abstract: A femtocell subscriber includes: receiving, by a femtocell, an access request sent by an access terminal, where the access request carries IMSI information of the access terminal; determining, by the femtocell, whether an international mobile subscriber identity IMSI of the access terminal is in a CSG subscriber list of the femtocell; if the access terminal is in the closed subscriber group CSG subscriber list, allowing the access terminal to access the femtocell; or if the IMSI of the access terminal is not in the CSG subscriber list of the femtocell, obtaining, by the femtocell from a server, a mobile phone number corresponding to the IMSI; if the mobile phone number of the access terminal is not in the CSG subscriber list of the femtocell, requesting, by the femtocell, a management terminal to determine whether to allow the access terminal to access the femtocell.
-
-
-
-
-
-
-
-
-
Search Results
82
records
(took 0.023 seconds)
